pax_global_header00006660000000000000000000000064114570014730014514gustar00rootroot0000000000000052 comment=434353fd8ff4c787870ec826e1c42bc52244c6e2 fbterm-1.7/000077500000000000000000000000001145700147300126425ustar00rootroot00000000000000fbterm-1.7/AUTHORS000066400000000000000000000000371145700147300137120ustar00rootroot00000000000000dragchan fbterm-1.7/COPYING000066400000000000000000000431001145700147300136730ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 675 Mass Ave, Cambridge, MA 02139, USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS Appendix: How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) 19yy This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) 19yy name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. fbterm-1.7/ChangeLog000066400000000000000000000164711145700147300144250ustar00rootroot000000000000002010-10-5 version 1.7 * vterm.cpp charsetmap.cpp: improved escape sequences support, now curses h/v lines should be drawed correctly * fbshell.cpp: added redirecting /dev/tty0 output to FbTerm's sub-window * improxy.cpp input.cpp: added shortcut CTRL_ALT_K to kill the frozen IM server * vterm.cpp wcwidth.cpp fbconfig.cpp: added option "ambiguous-wide" to treat ambiguous CJK characters as wide width * font.cpp fbcofnig.cpp: added option "font-height" to force font height * vterm.cpp: do_normal_char(): fixed logical error in insert mode * shell.cpp: autoTextSelect(): fixed logical error * improxy.cpp: improved screen redrawing performance when im is active 2009-11-14 version 1.6 * screen.cpp screen.h screen_render.cpp: reorganized class Screen API for VESA support * screen_clip.cpp: removed this file because similar function has been recoded in improxy.cpp * vesa.cpp vesa.h vbe.h: added general VESA video card support * fbdev.cpp fbdev.h: moved frame buffer device support from class Screen to new class FbDev * immessage.h improxy.cpp: added IM rendering message for IM server development * input.cpp: moved tty initialing code from ttyInput() to switchVc() Ctrl+Space won't be a shortcut if user run FbTerm without input-method option * mouse.cpp: fixed a bug where FbTerm isn't compiled with gpm mouse support but run with gpm server enabled * fbconfig.cpp: added options for VESA support fixed some spelling errors in FbTerm's help message * doc/inputmethod.txt: removed content of this file to be comments of im/immessage.h and im/imapi.h * doc/fbterm.1.in: added description for VESA support fixed several spelling errors * imapi.c: fixed a IM dead loop bug triggered by FbTerm's crash fixed a bug where IM maybe doesn't process pending messages until a new message arrives 2009-04-26 version 1.5 * fbconfig.cpp fbshell.cpp shell.cpp: added command line arguments to customize command executed in sub-window, which is user's login shell by default * improxy.cpp input.cpp fbshell.cpp fbshellman.cpp: added Alt-Fn and all FbTerm's shortcuts support when input method is actived * screen_render.cpp: added support for text rendering with background image * fbconfig.cpp fbshell.cpp input.cpp font.cpp screen.cpp: showInfo(): added option "-v/--verbose" to show extra system information * lib/shell.cpp: createShellProcess(): changed shell program selection algorithm * screen.cpp: createInstance(): changed frame buffer device selection behavior * font.cpp: createInstance(): removed duplicate fonts with same family from ordered font list * lib/io.cpp: localCodec(): fixed UTF-8 characters not showed correctly when locale is C/POSIX * lib/vterm.h: fixed a bug with character color for underline/halfbright attribute in version 1.4 * fbterm.cpp: fixed a clearing screen issue on startup even in inactive tty * fbconfig.cpp: Config(): fixed a bug when user try to execute FbTerm in initscripts and variable HOME is not defined * input.cpp: fixed a bug that ctrl/space release keycodes are sent to im server when user enable it by pressing ctrl+space 2009-03-14 version 1.4 * screen_render.cpp: improved text rendering performance * lib/vterm_state.cpp lib/vterm_action.cpp fbshell.cpp: added private escape sequences for 256 color support * font.cpp fbconfig.cpp: added a option to adjust font width * fbterm.cpp fbio.cpp: added using select() for old 2.2/2.4 kernel * font.cpp: fixed a crash bug where font's width/height returns zero for bitmap fonts * font.cpp screen.cpp: removed codes for non fixed width font * configure: fixed a failure with cross-compiling environment 2008-12-20 version 1.3 * fbconfig.cpp: added command line arguments to change option values * fbterm.cpp fbshellman.cpp fbshell.cpp improxy.cpp improxy.h input.cpp im/*: added client-server based input method framework * screen.cpp screen_clip.cpp: added screen clip support for IM * screen.cpp font.cpp: added screen rotation support * screen.cpp: drawGlyph(): fixed a spelling error of '=' as '-', which even appears in version 1.0 move(): fixed a duplicate repaint bug while fast scrolling type is ypan moved paint code to a separate source file screen_render.cpp * screen_render.cpp: setupSysPalette(): added support visual FB_VISUAL_DIRECTCOLOR * mouse.cpp lib/shell.cpp lib/shell.h: added mouse wheel support * lib/vterm.h lib/vterm.cpp: decreased memory usage of every vterm instance by changing struct CharAttr size from 4 to 2 bytes * font.cpp: replaced hash table based glyph cache with direct array index, removed dependence of hash.h/hash.cpp * input.cpp: readyRead(): fixed a unicode input character processing error * lib/shell.cpp lib/vterm.cpp: fixed a bug of not inverse color for selected text when switch back to the shell moved mouse pointer drawing code to class FbShell * fbshell.cpp: fixed a bug of maybe not restore original console state after FbTerm exited moved class FbShellManager to separate source files fbshellman.h and fbshellman.cpp * fbshellman.cpp: switchShell(): fixed a duplicate repaint bug while switch to same window * configure src/Makefile.in fbterm.cpp fbshell.cpp input.cpp: added using filesystem capability attributes offered by kernel 2.6.27, instead of setting set-user-ID bit on FbTerm 2008-10-12 version 1.2 * lib/term.h lib/term.cpp lib/term_states.cpp lib/term_action.cpp: improved escape and control sequences compatibility with linux console * fbshell.cpp: added support linux console sequences for changing the color palette and cursor shape moved shell management code to a separate class FbShellManager * fbconfig.cpp fbshell.cpp: added option to adjust default cursor shape and flash interval added option to modify chars considered as part of a word while auto-selecting text * fbterm.cpp: added handle signal SIGHUP, FbTerm will exit normally while shutdown system directly in it * mouse.cpp: Mouse(): fixed a freeze issue caused by changing console winsize under kernel 2.6.26 * screen.cpp: createInstance(): fixed a crash bug while font size is greater than screen size * lib/shell.cpp: cleaned text selection code and fixed a crash bug * fbshell.cpp: fixed not repainting screen when switch back to virtual console which FbTerm running on, but FbTerm not have active window * lib/term_action.cpp: next_param(): fixed a buffer overflow issue which may cause denial of service via application crash 2008-08-23 version 1.1 * fbshell.h fbshell.cpp fbterm.cpp input_key.h: added configurable additional text encoding support and switch between them with hot keys * lib/term.h lib/term.cpp fbshell.cpp: added a option in configure file to let user adjust max scroll-back history lines of every window * lib/term.cpp: expose(): fixed a bug of NOT redraw whole changed area a example is cursor drawing error while shell command line containing double width characters * hash.cpp: find(): fixed a bug to get a little better hash search performance * fbterm.cpp: pollSingal(): fixed a variable name spelling error in source for older kernel support SignalIo::readyRead(): fixed a compile failure while kernel headers version less than 2.6.24 * screen.cpp: createInstance(): fixed a compile failure under certain systems 2008-07-05 version 1.0 first release fbterm-1.7/INSTALL000066400000000000000000000363321145700147300137020ustar00rootroot00000000000000Installation Instructions ************************* Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without warranty of any kind. Basic Installation ================== Briefly, the shell commands `./configure; make; make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the `README' file for instructions specific to this package. Some packages provide this `INSTALL' file but do not implement all of the features documented below. The lack of an optional feature in a given package is not necessarily a bug. More recommendations for GNU packages can be found in *note Makefile Conventions: (standards)Makefile Conventions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. Caching is disabled by default to prevent problems with accidental use of stale cache files. If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If you are using the cache, and at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.ac' (or `configure.in') is used to create `configure' by a program called `autoconf'. You need `configure.ac' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. Running `configure' might take a while. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package, generally using the just-built uninstalled binaries. 4. Type `make install' to install the programs and any data files and documentation. When installing into a prefix owned by root, it is recommended that the package be configured and built as a regular user, and only the `make install' phase executed with root privileges. 5. Optionally, type `make installcheck' to repeat any self-tests, but this time using the binaries in their final installed location. This target does not install anything. Running this target as a regular user, particularly if the prior `make install' required root privileges, verifies that the installation completed correctly. 6. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. 7. Often, you can also type `make uninstall' to remove the installed files again. In practice, not all packages have tested that uninstallation works correctly, even though it is required by the GNU Coding Standards. 8. Some packages, particularly those that use Automake, provide `make distcheck', which can by used by developers to test that all other targets like `make install' and `make uninstall' work correctly. This target is generally not run by end users. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. Run `./configure --help' for details on some of the pertinent environment variables. You can give `configure' initial values for configuration parameters by setting variables in the command line or in the environment. Here is an example: ./configure CC=c99 CFLAGS=-g LIBS=-lposix *Note Defining Variables::, for more details. Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you can use GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. This is known as a "VPATH" build. With a non-GNU `make', it is safer to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. On MacOS X 10.5 and later systems, you can create libraries and executables that work on multiple system types--known as "fat" or "universal" binaries--by specifying multiple `-arch' options to the compiler but only a single `-arch' option to the preprocessor. Like this: ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ CPP="gcc -E" CXXCPP="g++ -E" This is not guaranteed to produce working output in all cases, you may have to build one architecture at a time and combine the results using the `lipo' tool if you have problems. Installation Names ================== By default, `make install' installs the package's commands under `/usr/local/bin', include files under `/usr/local/include', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PREFIX', where PREFIX must be an absolute file name. You can specify separate installation prefixes for architecture-specific files and architecture-independent files. If you pass the option `--exec-prefix=PREFIX' to `configure', the package uses PREFIX as the prefix for installing programs and libraries. Documentation and other data files still use the regular prefix. In addition, if you use an unusual directory layout you can give options like `--bindir=DIR' to specify different values for particular kinds of files. Run `configure --help' for a list of the directories you can set and what kinds of files go in them. In general, the default for these options is expressed in terms of `${prefix}', so that specifying just `--prefix' will affect all of the other directory specifications that were not explicitly provided. The most portable way to affect installation locations is to pass the correct locations to `configure'; however, many packages provide one or both of the following shortcuts of passing variable assignments to the `make install' command line to change installation locations without having to reconfigure or recompile. The first method involves providing an override variable for each affected directory. For example, `make install prefix=/alternate/directory' will choose an alternate location for all directory configuration variables that were expressed in terms of `${prefix}'. Any directories that were specified during `configure', but not in terms of `${prefix}', must each be overridden at install time for the entire installation to be relocated. The approach of makefile variable overrides for each directory variable is required by the GNU Coding Standards, and ideally causes no recompilation. However, some platforms have known limitations with the semantics of shared libraries that end up requiring recompilation when using this method, particularly noticeable in packages that use GNU Libtool. The second method involves providing the `DESTDIR' variable. For example, `make install DESTDIR=/alternate/directory' will prepend `/alternate/directory' before all installation names. The approach of `DESTDIR' overrides is not required by the GNU Coding Standards, and does not work on platforms that have drive letters. On the other hand, it does better at avoiding recompilation issues, and works well even when some directory options were not specified in terms of `${prefix}' at `configure' time. Optional Features ================= If the package supports it, you can cause programs to be installed with an extra prefix or suffix on their names by giving `configure' the option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. 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Particular systems ================== On HP-UX, the default C compiler is not ANSI C compatible. If GNU CC is not installed, it is recommended to use the following options in order to use an ANSI C compiler: ./configure CC="cc -Ae -D_XOPEN_SOURCE=500" and if that doesn't work, install pre-built binaries of GCC for HP-UX. On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot parse its `' header file. The option `-nodtk' can be used as a workaround. If GNU CC is not installed, it is therefore recommended to try ./configure CC="cc" and if that doesn't work, try ./configure CC="cc -nodtk" On Solaris, don't put `/usr/ucb' early in your `PATH'. This directory contains several dysfunctional programs; working variants of these programs are available in `/usr/bin'. So, if you need `/usr/ucb' in your `PATH', put it _after_ `/usr/bin'. On Haiku, software installed for all users goes in `/boot/common', not `/usr/local'. 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Features include: * mostly as fast as terminal of linux kernel while accelerated scrolling is enabled * select font with fontconfig and draw text with freetype2, same as Qt/Gtk+ based GUI apps * dynamicly create/destroy up to 10 windows initially running default shell * record scrollback history for every window * auto-detect current locale and convert text encoding, support double width scripts like Chinese, Japanese etc * switch between configurable additional text encodings with hot keys on the fly * copy/past selected text between windows with mouse when gpm server is running * change the orientation of screen display, a.k.a. screen rotation * lightweight input method framework with client-server architecture * background image for eye candy read man page doc/fbterm.1 for usage help. INPUT METHOD Instead of adding input method directly in FbTerm, a client-server based input method framework is designed to do this work. 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Features include: * mostly as fast as terminal of linux kernel while accelerated scrolling is enabled * select font with fontconfig and draw text with freetype2, same as Qt/Gtk+ based GUI apps * dynamically create/destroy up to 10 windows initially running default shell * record scroll-back history for every window * auto-detect current locale and convert text encoding, support double width scripts like Chinese, Japanese etc * switch between configurable additional text encodings with hot keys on the fly * copy/past selected text between windows with mouse when gpm server is running * change the orientation of screen display, a.k.a. screen rotation * lightweight input method framework with client-server architecture * background image for eye candy .SH "OPTIONS" \fIcommand\fR [\fIarguments\fR] may be given to override the built-in choice of shell program. Normally FbTerm checks the \fISHELL\fR variable. If that is not set, it tries to use the user's login shell program specified in the password file. If that is not set, /bin/sh will be used. You should use the \fI--\fR argument to separate FbTerm's options from the arguments supplied to the \fIcommand\fR. FbTerm first uses option value specified in command line arguments, then in the configure file \fI$HOME/.fbtermrc\fR. If that file doesn't exist, FbTerm will create it with default options on startup. .TP \fB-h, --help\fR display the help and exit .TP \fB-V, --version\fR display FbTerm version and exit .TP \fB-v, --verbose\fR display extra FbTerm's information .TP \fB-n, --font-names=\fR\fItext\fR specify font family names .TP \fB-s, --font-size=\fR\fInum\fR specify font pixel size .TP \fB--font-width=\fR\fInum\fR force font width .TP \fB--font-height=\fR\fInum\fR force font height .TP \fB-f, --color-foreground=\fR\fInum\fR specify foreground color .TP \fB-b, --color-background=\fR\fInum\fR specify background color .TP \fB-e, --text-encodings=\fR\fItext\fR specify additional text encodings .TP \fB-a, --ambiguous-wide treat ambiguous width characters as wide .TP \fB-r, --screen-rotate=\fR\fInum\fR specify the orientation of screen display .TP \fB-i, --input-method=\fR\fItext\fR specify input method program .TP \fB--cursor-shape=\fR\fInum\fR specify default cursor shape .TP \fB--cursor-interval=\fR\fInum\fR specify cursor flash interval .TP \fB--vesa-mode=\fR\fInum\fR specify VESA video mode .TP \fB--vesa-mode=list\fR display available VESA video modes .TP see comments in \fI$HOME/.fbtermrc\fR for details of these options. .SH "SHORTCUT SUMMARY" keyboard: CTRL_ALT_E: exit from FbTerm CTRL_ALT_C: create a new window CTRL_ALT_D: destroy current window CTRL_ALT_1: switch to window 1 CTRL_ALT_2: switch to window 2 CTRL_ALT_3: switch to window 3 CTRL_ALT_4: switch to window 4 CTRL_ALT_5: switch to window 5 CTRL_ALT_6: switch to window 6 CTRL_ALT_7: switch to window 7 CTRL_ALT_8: switch to window 8 CTRL_ALT_9: switch to window 9 CTRL_ALT_0: switch to window 10 SHIFT_LEFT: switch to previous window SHIFT_RIGHT: switch to next window SHIFT_PAGEUP: history scroll up SHIFT_PAGEDOWN: history scroll down CTRL_ALT_F1: switch to encoding of current locale CTRL_ALT_F2 to CTRL_ALT_F6: switch to additional encodings CTRL_SPACE: toggle input method CTRL_ALT_K: kill input method server mouse: move when left button down: select text double click with left button: auto select text click with right button: paste selected text Sometimes above actions will not work, please try to redo them with shift key holding down. .SH "FRAME BUFFER DEVICE" Before executing FbTerm, make sure there is a frame buffer device in your system, and you have read/write access right with it. Normally FbTerm tries to open /dev/fb0 and /dev/fb/0, environment variable "\fIFRAMEBUFFER\fR" may be used to override this built-in behavior. .SH "VESA VIDEO DEVICE" From version 1.6, FbTerm adds VESA video card support. By default, FbTerm tries frame buffer device first, if failure, then tries to use VESA device with highest resolution and color depth. option "\fIvesa-mode\fR" may be given to force only open VESA device with the specified video mode. To see available video modes for your VESA card, execute "\fBfbterm --vesa-mode=list\fR". Attention: 1) VESA support requires root privilege to work; 2) do not force to use VESA device on the system with frame buffer device enabled, they maybe conflict with each other. .SH "FONT" FbTerm invokes fontconfig to get a font list, if the first font doesn't contain the glyph for the rendering character, it will try second font, then the third, ... and so on, user can see this ordered font list with "\fBfbterm -v\fR". If you don't like the fonts selected by FbTerm, execute "fc-list" to get available fonts, choose favorites as the value of option "\fIfont-names\fR". You may also modify the configure file of fontconfig, which will change the behavior of all programs based on fontconfig! .SH "TEXT ENCODING" By using iconv, FbTerm converts other encodings to internal encoding UTF-8. On startup, FbTerm checks variable \fILC_CTYPE\fR to determine the default text encoding, which is binded to shortcut CTRL_ALT_F1. User can specify up to 5 additional encodings with option "\fItext-encodings\fR", for example, as a Chinese user, you set "text-encodings=gbk,big5", shortcut CTRL_ALT_F2 will bind to gbk, and CTRL_ALT_F3 bind to big5. In a number of CJK encodings there are ambiguous width characters which have a width of either narrow or wide depending on the context of their use. By default, FbTerm treats them as narrow width characters, option "\fIambiguous-wide\fR" may be used to change the behavior. .SH "BACKGROUND IMAGE" FbTerm doesn't load and parse any image file with various formats directly, instead it takes a screen shot of frame buffer device on startup if variable \fIFBTERM_BACKGROUND_IMAGE\fR is defined, then uses this screen shot as the background for text rendering. In order to enable background image support, user should first put a image to frame buffer device with a image viewer. A wrapper script using fbv is listed below: \fB .br #!/bin/bash # fbterm-bi: a wrapper script to enable background image with fbterm # usage: fbterm-bi /path/to/image fbterm-options echo -ne "\\e[?25l" # hide cursor fbv -ciuker "$1" << EOF q EOF shift export FBTERM_BACKGROUND_IMAGE=1 exec fbterm "$@" \fR Attention: 1) do not enable background image on frame buffer device with 8bpp depth, because FbTerm changes color map table for correct text rendering; 2) if the screen shot is different from the original image, try to use a fast scrolling disabled frame buffer device. .SH "256 COLOR EXTENSION" FbTerm supports xterm's 256 color mode extension. The first 16 colors are the default terminal colors. Additionally, there's a 6x6x6 color cube, and 24 grayscale tones. But xterm's 256 color escape sequences conflict with the linux sequences implemented by FbTerm, so private escape sequences were introduced to support this feature: \fB .br ESC [ 1 ; n } set foreground color to n (0 - 255) ESC [ 2 ; n } set background color to n (0 - 255) ESC [ 3 ; n ; r ; g ; b } set color n to (r, g, b) , n, r, g, b all in (0 - 255) \fR A new terminfo database entry named "fbterm" was added to use these private sequences, all program based on terminfo should work with it. By default, FbTerm sets environment variable "TERM" to value "linux", user need run "TERM=fbterm /path/to/program" to enable 256 color mode. .SH "INPUT METHOD" Instead of adding input method directly in FbTerm, a client-server based input method framework is designed to do this work. FbTerm acts as a client, standalone IM program as a server, and they run in separated processes. As a normal IM user, you should install a IM program written for FbTerm, and specify it as the value of option "\fIinput-method\fR". CTRL_SPACE is the shortcut to activate/deactivate input method. And CTRL_ALT_K may be used to kill the IM program when it has freezed. .SH "SECURITY NOTES" FbTerm tries to change linux kernel key map table to setup shortcuts, which requires \fISYS_TTY_CONFIG\fR capability since kernel version 2.6.15. It means FbTerm should be a setuid 0 program to allow non-root users to use shortcuts. FbTerm only switches to root privilege temporarily when changing key map table, we believe it's pretty much free from security problems. If you really don't like this and have a linux kernel with file system capabilities enabled, which allow user to give binaries a subset of root's powers without using setuid 0 (official kernel 2.6.27 includes it), you can run command "\fBsudo setcap 'cap_sys_tty_config+ep' /path/to/fbterm\fR". FbTerm redirects /dev/tty0 output to the pseudo terminal of current sub-window. In linux before version 2.6.10, anybody can do this as long as the output was not redirected yet; since version 2.6.10, only root or a process with the \fICAP_SYS_ADMIN\fR capability may do this. You should do similar work with above ones for FbTerm to enable this feature for non-root users. .SH "PERFORMANCE" According test result, FbTerm spends more than 95% time on painting screen. Speedup painting will significantly increase performance. Here are some suggestions for frame buffer device: * Enable fast scrolling on frame buffer device. The visible screen will be just a window of the video memory, when scrolling, FbTerm only change the start of window, no need to repaint the whole screen. * On Intel P6 family processors the Memory Type Range Registers (MTRRs) may be used to control processor access to memory ranges. If you have video card on a PCI or AGP bus, enabling write-combining allows bus write transfers to be combined into a larger transfer before bursting over the PCI/AGP bus. This can increase performance of FbTerm's paint operations. Maybe you need to enable them manually for your video card. For example, by default fast scrolling and write-combining are all disabled on general VESA frame buffer device, GRUB/LILO configure file should be modified to enable them. A GRUB example is showed below: title Ubuntu root (hd0,0) kernel /boot/vmlinuz ro root=LABEL=UBUNTU splash vga=0x317 \fBvideo=vesafb:ywrap,mtrr:3\fR initrd /boot/initrd.img You may check fast scrolling status with "\fBfbterm -v\fR", a message with "scrolling: redraw" means fast scrolling is disabled, otherwise enabled. .SH "AUTHOR" Written by dragchan. .SH "REPORTING BUGS" Please submit bug reports to <\fBhttp://code.google.com/p/fbterm/issues\fR>. .SH "COPYRIGHT" Copyright \(co 2008-2010 dragchan. License GPLv2: GNU GPL version 2 or later . .br This is free software: you are free to change and redistribute it. 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you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include "imapi.h" #include "keycode.h" static char raw_mode = 1; static unsigned cursorx, cursory; static void im_active() { if (raw_mode) { init_keycode_state(); } } static void im_deactive() { Rectangle rect = { 0, 0, 0, 0 }; set_im_window(0, rect); set_im_window(1, rect); } static void process_raw_key(char *buf, unsigned len) { unsigned i; for (i = 0; i < len; i++) { char down = !(buf[i] & 0x80); short code = buf[i] & 0x7f; if (!code) { if (i + 2 >= len) break; code = (buf[++i] & 0x7f) << 7; code |= buf[++i] & 0x7f; if (!(buf[i] & 0x80) || !(buf[i - 1] & 0x80)) continue; } unsigned short keysym = keycode_to_keysym(code, down); char *str = keysym_to_term_string(keysym, down); put_im_text(str, strlen(str)); } } static void process_key(char *keys, unsigned len) { if (raw_mode) { process_raw_key(keys, len); } else { put_im_text(keys, len); } } static void im_show(unsigned winid) { static const char str[] = "a IM example"; Rectangle rect; rect.x = cursorx + 10, rect.y = cursory + 10; rect.w = 40, rect.h = 20; set_im_window(0, rect); fill_rect(rect, Gray); rect.y += rect.h + 10; rect.w = 180; rect.h = 30; set_im_window(1, rect); fill_rect(rect, Gray); draw_text(rect.x + 5, rect.y + 5, Black, Gray, str, sizeof(str) - 1); } static void im_hide() { } static void cursor_pos_changed(unsigned x, unsigned y) { cursorx = x; cursory = y; im_show(-1); } static void update_fbterm_info(Info *info) { } static ImCallbacks cbs = { im_active, // .active im_deactive, // .deactive im_show, // .show_ui im_hide, // .hide_ui process_key, // .send_key cursor_pos_changed, // .cursor_position update_fbterm_info, // .fbterm_info update_term_mode // .term_mode }; int main() { register_im_callbacks(cbs); connect_fbterm(raw_mode); while (check_im_message()) ; return 0; } fbterm-1.7/im/imapi.c000066400000000000000000000131531145700147300145150ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include "imapi.h" #define OFFSET(TYPE, MEMBER) ((size_t)(&(((TYPE *)0)->MEMBER))) #define MSG(a) ((Message *)(a)) static int imfd = -1; static ImCallbacks cbs; static char pending_msg_buf[10240]; static unsigned pending_msg_buf_len = 0; static int im_active = 0; static void wait_message(MessageType type); void register_im_callbacks(ImCallbacks callbacks) { cbs = callbacks; } int get_im_socket() { static char init = 0; if (!init) { init = 1; char *val = getenv("FBTERM_IM_SOCKET"); if (val) { char *tail; int fd = strtol(val, &tail, 0); if (!*tail) imfd = fd; } } return imfd; } void connect_fbterm(char raw) { get_im_socket(); if (imfd == -1) return; Message msg; msg.type = Connect; msg.len = sizeof(msg); msg.raw = (raw ? 1 : 0); int ret = write(imfd, (char *)&msg, sizeof(msg)); } void put_im_text(const char *text, unsigned len) { if (imfd == -1 || !im_active || !text || !len || (OFFSET(Message, texts) + len > UINT16_MAX)) return; char buf[OFFSET(Message, texts) + len]; MSG(buf)->type = PutText; MSG(buf)->len = sizeof(buf); memcpy(MSG(buf)->texts, text, len); int ret = write(imfd, buf, MSG(buf)->len); } void set_im_window(unsigned id, Rectangle rect) { if (imfd == -1 || !im_active || id >= NR_IM_WINS) return; Message msg; msg.type = SetWin; msg.len = sizeof(msg); msg.win.winid = id; msg.win.rect = rect; int ret = write(imfd, (char *)&msg, sizeof(msg)); wait_message(AckWin); } void fill_rect(Rectangle rect, unsigned char color) { Message msg; msg.type = FillRect; msg.len = sizeof(msg); msg.fillRect.rect = rect; msg.fillRect.color = color; int ret = write(imfd, (char *)&msg, sizeof(msg)); } void draw_text(unsigned x, unsigned y, unsigned char fc, unsigned char bc, const char *text, unsigned len) { if (!text || !len) return; char buf[OFFSET(Message, drawText.texts) + len]; MSG(buf)->type = DrawText; MSG(buf)->len = sizeof(buf); MSG(buf)->drawText.x = x; MSG(buf)->drawText.y = y; MSG(buf)->drawText.fc = fc; MSG(buf)->drawText.bc = bc; memcpy(MSG(buf)->drawText.texts, text, len); int ret = write(imfd, buf, MSG(buf)->len); } static int process_message(Message *msg) { int exit = 0; switch (msg->type) { case Disconnect: close(imfd); imfd = -1; exit = 1; break; case FbTermInfo: if (cbs.fbterm_info) { cbs.fbterm_info(&msg->info); } break; case Active: im_active = 1; if (cbs.active) { cbs.active(); } break; case Deactive: if (cbs.deactive) { cbs.deactive(); } im_active = 0; break; case ShowUI: if (im_active && cbs.show_ui) { cbs.show_ui(msg->winid); } break; case HideUI: { if (im_active && cbs.hide_ui) { cbs.hide_ui(); } Message msg; msg.type = AckHideUI; msg.len = sizeof(msg); int ret = write(imfd, (char *)&msg, sizeof(msg)); break; } case SendKey: if (im_active && cbs.send_key) { cbs.send_key(msg->keys, msg->len - OFFSET(Message, keys)); } break; case CursorPosition: if (im_active && cbs.cursor_position) { cbs.cursor_position(msg->cursor.x, msg->cursor.y); } break; case TermMode: if (im_active && cbs.term_mode) { cbs.term_mode(msg->term.crWithLf, msg->term.applicKeypad, msg->term.cursorEscO); } break; default: break; } return exit; } static int process_messages(char *buf, int len) { char *cur = buf, *end = cur + len; int exit = 0; for (; cur < end && MSG(cur)->len <= (end - cur); cur += MSG(cur)->len) { exit |= process_message(MSG(cur)); } return exit; } static void wait_message(MessageType type) { int ack = 0; while (!ack) { char *cur = pending_msg_buf + pending_msg_buf_len; int len = read(imfd, cur, sizeof(pending_msg_buf) - pending_msg_buf_len); if (len == -1 && (errno == EAGAIN || errno == EINTR)) continue; else if (len <= 0) { close(imfd); imfd = -1; return; } pending_msg_buf_len += len; char *end = cur + len; for (; cur < end && MSG(cur)->len <= (end - cur); cur += MSG(cur)->len) { if (MSG(cur)->type == type) { memcpy(cur, cur + MSG(cur)->len, end - cur - MSG(cur)->len); pending_msg_buf_len -= MSG(cur)->len; ack = 1; break; } } } if (pending_msg_buf_len) { Message msg; msg.type = Ping; msg.len = sizeof(msg); int ret = write(imfd, (char *)&msg, sizeof(msg)); } } int check_im_message() { if (imfd == -1) return 0; char buf[sizeof(pending_msg_buf)]; int len, exit = 0; if (pending_msg_buf_len) { len = pending_msg_buf_len; pending_msg_buf_len = 0; memcpy(buf, pending_msg_buf, len); exit |= process_messages(buf, len); } len = read(imfd, buf, sizeof(buf)); if (len == -1 && (errno == EAGAIN || errno == EINTR)) return 1; else if (len <= 0) { close(imfd); imfd = -1; return 0; } exit |= process_messages(buf, len); return !exit; } fbterm-1.7/im/imapi.h000066400000000000000000000134101145700147300145160ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /** * FbTerm provides a set of wrapped API to simply the IM server development. The API encapsulates input method message sending, * receiving and processing. */ #ifndef IM_API_H #define IM_API_H #ifdef __cplusplus extern "C" { #endif #include "immessage.h" typedef void (*ActiveFun)(); typedef void (*DeactiveFun)(); /// @param winid indicates which window should be redrawn, -1 means redraw all UI window. @see set_im_window() typedef void (*ShowUIFun)(unsigned winid); typedef void (*HideUIFun)(); typedef void (*SendKeyFun)(char *keys, unsigned len); typedef void (*CursorPositionFun)(unsigned x, unsigned y); typedef void (*FbTermInfoFun)(Info *info); typedef void (*TermModeFun)(char crlf, char appkey, char curo); typedef struct { ActiveFun active; ///< called when receiving a Active message DeactiveFun deactive; ///< called when receiving a Deactive message ShowUIFun show_ui; ///< called when receiving a ShowUI message HideUIFun hide_ui; ///< called when receiving a HideUI message SendKeyFun send_key; ///< called when receiving a SendKey message CursorPositionFun cursor_position; ///< called when receiving a CursorPosition message FbTermInfoFun fbterm_info; ///< called when receiving a FbTermInfo message TermModeFun term_mode; ///< called when receiving a TermMode message } ImCallbacks; /** * @brief register message call-back functions: * @param callbacks */ extern void register_im_callbacks(ImCallbacks callbacks); /** * @brief send message Connect to FbTerm * @param mode keyboard input mode * * FbTerm provides two kinds of keyboard input modes, IM server can choose a favorite one with parameter mode of * connect_fbterm(). * * If mode equals zero, IM server will receive characters translated by kernel with current keymap in SendKey messages. * There are some disadvantages in this mode, for example, shortcuts composed with only modifiers are impossible. * ( shortcuts composed with modifiers and normal keys can create a map if they are not mapped in current kernel keymap, * maybe we need add new messages like RequestKeyMap and AckKeyMap used by IM server to ask FbTerm to do this work. ) * If mode is non-zero, FbTerm sets keyboard mode to K_MEDIUMRAW after Active Message, IM server will receive raw keycode * from kernel and have full control for keyboard, except FbTerm's shortcuts, e.g. Ctrl + Space. * Under this mode, IM server should translate keycodes to keysyms according current kernel keymap, change keyboard led * state and translate keysyms to characters if it want to send user input back to FbTerm. Because some translation of * keysyms to characters are not fixed (e.g. cursor movement keysym K_LEFT can be 'ESC [ D' or 'ESC O D'), message TermMode * sent by FbTerm is used to help IM server do this translation. * * keycode.c/keycode.h provides some functions to translate keycode to keysym and keysym to characters. */ extern void connect_fbterm(char mode); /** * @brief get the file descriptor of the unix socket used to transfer IM messages. * @return file id of the socket connected to FbTerm * * Because check_im_message() blocks until a message arrives, IM server can use select/poll to monitor other file * descriptors among with the one from get_im_socket(). */ extern int get_im_socket(); /** * @brief receive IM messages from FbTerm and dispatch them to functions registered with register_im_callbacks() * @return zero if DisconnectIM messages has been received, otherwise non-zero */ extern int check_im_message(); /** * @brief send message PutText to FbTerm * @param text translated text from user keyboard input, must be encoded with utf8 * @param len text's length */ extern void put_im_text(const char *text, unsigned len); /** * @brief send message SetWin to FbTerm and wait until AckWin has arrived * @param winid the window id, must less than NR_IM_WINS * @param rect the rectangle of this window area * * every UI window (e.g. status bar, candidate table, etc) should have a unique win id. */ extern void set_im_window(unsigned winid, Rectangle rect); /** * The colors of xterm's 256 color mode supported by FbTerm can be used in fill_rect() and draw_text(). * ColorType defines the first 16 colors with standard linux console. * view 256colors.png for all colors. */ typedef enum { Black = 0, DarkRed, DarkGreen, DarkYellow, DarkBlue, DarkMagenta, DarkCyan, Gray, DarkGray, Red, Green, Yellow, Blue, Magenta, Cyan, White } ColorType; /** * @brief send message FillRect to FbTerm * @param rect the rectangle to be filled * @param color */ extern void fill_rect(Rectangle rect, unsigned char color); /** * @breif send message DrawText to FbTerm * @param x x axes of top left point * @param y y axes of top left point * @param fc foreground color * @param bc background color * @param text text to be drawn, must be encoding with utf8 * @param len text's length */ extern void draw_text(unsigned x, unsigned y, unsigned char fc, unsigned char bc, const char *text, unsigned len); #ifdef __cplusplus } #endif #endif fbterm-1.7/im/keycode.c000066400000000000000000000151721145700147300150440ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include #include "input_key.h" static char key_down[NR_KEYS]; static unsigned char shift_down[NR_SHIFT]; static short shift_state; static char lock_state; static char cr_with_lf, applic_keypad, cursor_esco; static int npadch; void init_keycode_state() { npadch = -1; shift_state = 0; memset(key_down, 0, sizeof(char) * NR_KEYS); memset(shift_down, 0, sizeof(char) * NR_SHIFT); ioctl(STDIN_FILENO, KDGKBLED, &lock_state); } void update_term_mode(char crlf, char appkey, char curo) { cr_with_lf = crlf; applic_keypad = appkey; cursor_esco = curo; } unsigned short keycode_to_keysym(unsigned short keycode, char down) { if (keycode >= NR_KEYS) return K_HOLE; char rep = (down && key_down[keycode]); key_down[keycode] = down; struct kbentry ke; ke.kb_table = shift_state; ke.kb_index = keycode; if (ioctl(STDIN_FILENO, KDGKBENT, &ke) == -1) return K_HOLE; if (KTYP(ke.kb_value) == KT_LETTER && (lock_state & K_CAPSLOCK)) { ke.kb_table = shift_state ^ (1 << KG_SHIFT); if (ioctl(STDIN_FILENO, KDGKBENT, &ke) == -1) return K_HOLE; } if (ke.kb_value == K_HOLE || ke.kb_value == K_NOSUCHMAP) return K_HOLE; unsigned value = KVAL(ke.kb_value); switch (KTYP(ke.kb_value)) { case KT_SPEC: switch (ke.kb_value) { case K_NUM: if (applic_keypad) break; case K_BARENUMLOCK: case K_CAPS: case K_CAPSON: if (down && !rep) { if (value == KVAL(K_NUM) || value == KVAL(K_BARENUMLOCK)) lock_state ^= K_NUMLOCK; else if (value == KVAL(K_CAPS)) lock_state ^= K_CAPSLOCK; else if (value == KVAL(K_CAPSON)) lock_state |= K_CAPSLOCK; ioctl(STDIN_FILENO, KDSKBLED, lock_state); } break; default: break; } break; case KT_SHIFT: if (value >= NR_SHIFT || rep) break; if (value == KVAL(K_CAPSSHIFT)) { value = KVAL(K_SHIFT); if (down && (lock_state & K_CAPSLOCK)) { lock_state &= ~K_CAPSLOCK; ioctl(STDIN_FILENO, KDSKBLED, lock_state); } } if (down) shift_down[value]++; else if (shift_down[value]) shift_down[value]--; if (shift_down[value]) shift_state |= (1 << value); else shift_state &= ~(1 << value); break; case KT_LATIN: case KT_LETTER: case KT_FN: case KT_PAD: case KT_CONS: case KT_CUR: case KT_META: case KT_ASCII: break; default: printf("not support!\n"); break; } return ke.kb_value; } unsigned short keypad_keysym_redirect(unsigned short keysym) { if (applic_keypad || KTYP(keysym) != KT_PAD || KVAL(keysym) >= NR_PAD) return keysym; #define KL(val) K(KT_LATIN, val) static const unsigned short num_map[] = { KL('0'), KL('1'), KL('2'), KL('3'), KL('4'), KL('5'), KL('6'), KL('7'), KL('8'), KL('9'), KL('+'), KL('-'), KL('*'), KL('/'), K_ENTER, KL(','), KL('.'), KL('?'), KL('('), KL(')'), KL('#') }; static const unsigned short fn_map[] = { K_INSERT, K_SELECT, K_DOWN, K_PGDN, K_LEFT, K_P5, K_RIGHT, K_FIND, K_UP, K_PGUP, KL('+'), KL('-'), KL('*'), KL('/'), K_ENTER, K_REMOVE, K_REMOVE, KL('?'), KL('('), KL(')'), KL('#') }; if (lock_state & K_NUMLOCK) return num_map[keysym - K_P0]; return fn_map[keysym - K_P0]; } static unsigned to_utf8(unsigned c, char *buf) { unsigned index = 0; if (c < 0x80) buf[index++] = c; else if (c < 0x800) { // 110***** 10****** buf[index++] = 0xc0 | (c >> 6); buf[index++] = 0x80 | (c & 0x3f); } else if (c < 0x10000) { if (c >= 0xD800 && c < 0xE000) return index; if (c == 0xFFFF) return index; // 1110**** 10****** 10****** buf[index++] = 0xe0 | (c >> 12); buf[index++] = 0x80 | ((c >> 6) & 0x3f); buf[index++] = 0x80 | (c & 0x3f); } else if (c < 0x200000) { // 11110*** 10****** 10****** 10****** buf[index++] = 0xf0 | (c >> 18); buf[index++] = 0x80 | ((c >> 12) & 0x3f); buf[index++] = 0x80 | ((c >> 6) & 0x3f); buf[index++] = 0x80 | (c & 0x3f); } return index; } char *keysym_to_term_string(unsigned short keysym, char down) { static struct kbsentry kse; char *buf = (char *)kse.kb_string; *buf = 0; if (KTYP(keysym) != KT_SHIFT && !down) return buf; keysym = keypad_keysym_redirect(keysym); unsigned index = 0, value = KVAL(keysym); switch (KTYP(keysym)) { case KT_LATIN: case KT_LETTER: if (value < KVAL(AC_START) || value > KVAL(AC_END)) index = to_utf8(value, buf); break; case KT_FN: kse.kb_func = value; ioctl(STDIN_FILENO, KDGKBSENT, &kse); index = strlen(buf); break; case KT_SPEC: if (keysym == K_ENTER) { buf[index++] = '\r'; if (cr_with_lf) buf[index++] = '\n'; } else if (keysym == K_NUM && applic_keypad) { buf[index++] = '\e'; buf[index++] = 'O'; buf[index++] = 'P'; } break; case KT_PAD: if (applic_keypad && !shift_down[KG_SHIFT]) { if (value < NR_PAD) { static const char app_map[] = "pqrstuvwxylSRQMnnmPQS"; buf[index++] = '\e'; buf[index++] = 'O'; buf[index++] = app_map[value]; } } else if (keysym == K_P5 && !(lock_state & K_NUMLOCK)) { buf[index++] = '\e'; buf[index++] = (applic_keypad ? 'O' : '['); buf[index++] = 'G'; } break; case KT_CUR: if (value < 4) { static const char cur_chars[] = "BDCA"; buf[index++] = '\e'; buf[index++] = (cursor_esco ? 'O' : '['); buf[index++] = cur_chars[value]; } break; case KT_META: { long flag; ioctl(STDIN_FILENO, KDGKBMETA, &flag); if (flag == K_METABIT) { buf[index++] = 0x80 | value; } else { buf[index++] = '\e'; buf[index++] = value; } break; } case KT_SHIFT: if (!down && npadch != -1) { index = to_utf8(npadch, buf); npadch = -1; } break; case KT_ASCII: if (value < NR_ASCII) { int base = 10; if (value >= KVAL(K_HEX0)) { base = 16; value -= KVAL(K_HEX0); } if (npadch == -1) npadch = value; else npadch = npadch * base + value; } break; default: break; } buf[index] = 0; return buf; } fbterm-1.7/im/keycode.h000066400000000000000000000023071145700147300150450ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef KEYCODE_H #define KEYCODE_H #ifdef __cplusplus extern "C" { #endif void init_keycode_state(); void update_term_mode(char crlf, char appkey, char curo); unsigned short keycode_to_keysym(unsigned short keycode, char down); unsigned short keypad_keysym_redirect(unsigned short keysym); char *keysym_to_term_string(unsigned short keysym, char down); #ifdef __cplusplus } #endif #endif fbterm-1.7/install-sh000077500000000000000000000325371145700147300146600ustar00rootroot00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2009-04-28.21; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include #include "config.h" #include "fbconfig.h" #define MAX_CONFIG_FILE_SIZE 10240 DEFINE_INSTANCE_DEFAULT(Config) Config::Config() { mShellCommand = 0; mConfigBuf = 0; mConfigEntrys = 0; const s8 *home = getenv("HOME"); if (!home) { if (getuid()) return; home = "/root"; } s8 name[64]; snprintf(name, sizeof(name), "%s/%s", home, ".fbtermrc"); checkConfigFile(name); struct stat cstat; if (stat(name, &cstat) == -1) return; if (cstat.st_size > MAX_CONFIG_FILE_SIZE) return; s32 fd = open(name, O_RDONLY); if (fd == -1) return; mConfigBuf = new char[cstat.st_size + 1]; mConfigBuf[cstat.st_size] = 0; s32 ret = read(fd, mConfigBuf, cstat.st_size); close(fd); s8 *end, *start = mConfigBuf; do { end = strchr(start, '\n'); if (end) *end = 0; parseOption(start); if (end) start = end + 1; } while (end && *start); } Config::~Config() { if (mConfigBuf) delete[] mConfigBuf; OptionEntry *next, *cur = mConfigEntrys; while (cur) { next = cur->next; delete cur; cur = next; } } void Config::getOption(const s8 *key, s8 *val, u32 len) { if (!val) return; *val = 0; OptionEntry *entry = getEntry(key); if (!entry || !entry->val) return; u32 val_len = strlen(entry->val); if (--len > val_len) len = val_len; memcpy(val, entry->val, len); val[len] = 0; } void Config::getOption(const s8 *key, u32 &val) { OptionEntry *entry = getEntry(key); if (!entry || !entry->val) return; s8 *tail; s32 a = strtol(entry->val, &tail, 10); if (!*tail) val = a; } void Config::getOption(const s8 *key, bool &val) { OptionEntry *entry = getEntry(key); if (!entry || !entry->val) return; if (!strcmp(entry->val, "yes")) val = true; else if (!strcmp(entry->val, "no")) val = false; } Config::OptionEntry *Config::getEntry(const s8 *key) { if (!key) return 0; OptionEntry *entry = mConfigEntrys; while (entry) { if (!strcmp(key, entry->key)) break; entry = entry->next; } return entry; } void Config::addEntry(const s8 *key, const s8 *val) { OptionEntry *entry = new OptionEntry; entry->key = key; entry->val = val; entry->next = mConfigEntrys; mConfigEntrys = entry; } void Config::parseOption(s8 *str) { s8 *cur = str, *end = str + strlen(str) - 1; while (*cur == ' ') cur++; if (!*cur || *cur == '#') return; s8 *key = cur; while (*cur && *cur != '=') cur++; if (!*cur) return; *cur = 0; s8 *val = ++cur; cur = end; while (*cur == ' ') cur--; if (cur < val) return; *(cur + 1) = 0; addEntry(key, val); } void Config::checkConfigFile(const s8 *name) { static const s8 defaultConfig[] = "# Configuration for FbTerm\n" "\n" "# Lines starting with '#' are ignored.\n" "# Note that end-of-line comments are NOT supported, comments must be on a line of their own.\n" "\n\n" "# font family names/pixelsize used by fbterm, multiple font family names must be seperated by ','\n" "# and using a fixed width font as the first is strongly recommended\n" "font-names=mono\n" "font-size=12\n" "\n" "# force font width (and/or height), usually for non-fixed width fonts\n" "# legal value format: n (fw_new = n), +n (fw_new = fw_old + n), -n (fw_new = fw_old - n)\n" "#font-width=\n" "#font-height=\n" "\n" "# default color of foreground/background text\n" "# available colors: 0 = black, 1 = red, 2 = green, 3 = brown, 4 = blue, 5 = magenta, 6 = cyan, 7 = white\n" "color-foreground=7\n" "color-background=0\n" "\n" "# max scroll-back history lines of every window, value must be [0 - 65535], 0 means disable it\n" "history-lines=1000\n" "\n" "# up to 5 additional text encodings, multiple encodings must be seperated by ','\n" "# run 'iconv --list' to get available encodings.\n" "text-encodings=\n" "\n" "# cursor shape: 0 = underline, 1 = block\n" "# cursor flash interval in milliseconds, 0 means disable flashing\n" "cursor-shape=0\n" "cursor-interval=500\n" "\n" "# additional ascii chars considered as part of a word while auto-selecting text, except ' ', 0-9, a-z, A-Z\n" "word-chars=._-\n" "\n" "# change the clockwise orientation angle of screen display\n" "# available values: 0 = 0 degree, 1 = 90 degrees, 2 = 180 degrees, 3 = 270 degrees\n" "screen-rotate=0\n" "\n" "# specify the favorite input method program to run\n" "input-method=\n" "\n" "# treat ambiguous width characters as wide\n" "#ambiguous-wide=yes\n" ; struct stat cstat; if (stat(name, &cstat) != -1) return; s32 fd = open(name, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR); if (fd == -1) return; s32 ret = write(fd, defaultConfig, sizeof(defaultConfig) - 1); close(fd); } bool Config::parseArgs(s32 argc, s8 **argv) { static const option options[] = { { "help", no_argument, 0, 'h' }, { "version", no_argument, 0, 'V' }, { "verbose", no_argument, 0, 'v' }, { "font-names", required_argument, 0, 'n' }, { "font-size", required_argument, 0, 's' }, { "color-foreground", required_argument, 0, 'f' }, { "color-background", required_argument, 0, 'b' }, { "text-encodings", required_argument, 0, 'e' }, { "screen-rotate", required_argument, 0, 'r' }, { "input-method", required_argument, 0, 'i' }, { "cursor-shape", required_argument, 0, 0 }, { "cursor-interval", required_argument, 0, 1 }, { "font-width", required_argument, 0, 2 }, { "font-height", required_argument, 0, 4 }, { "ambiguous-wide", no_argument, 0, 'a' }, #ifdef ENABLE_VESA { "vesa-mode", required_argument, 0, 3 }, #endif { 0, 0, 0, 0 } }; s32 index; while ((index = getopt_long(argc, argv, "Vvhn:s:f:b:e:r:i:a", options, 0)) != -1) { switch (index) { case 'V': printf("FbTerm version " VERSION "\n"); return false; case 'h': case '?': printf( "Usage: fbterm [options] [--] [command [arguments]]\n" "A fast framebuffer/vesa based terminal emulator for linux\n" "\n" " -h, --help display this help and exit\n" " -V, --version display FbTerm version and exit\n" " -v, --verbose display extra information\n" " -n, --font-names=TEXT specify font family names\n" " -s, --font-size=NUM specify font pixel size\n" " --font-width=NUM force font width\n" " --font-height=NUM force font height\n" " -f, --color-foreground=NUM specify foreground color\n" " -b, --color-background=NUM specify background color\n" " -e, --text-encodings=TEXT specify additional text encodings\n" " -r, --screen-rotate=NUM specify orientation of screen display\n" " -a, --ambiguous-wide treat ambiguous width characters as wide\n" " -i, --input-method=TEXT specify input method program\n" " --cursor-shape=NUM specify default cursor shape\n" " --cursor-interval=NUM specify cursor flash interval\n" #ifdef ENABLE_VESA " --vesa-mode=NUM force VESA video mode\n" " list display available VESA video modes\n" #endif "\n" "See comments in ~/.fbtermrc for details of these options.\n" ); return false; default: for (const option *opt = options; opt->name; opt++) { if (opt->val != index) continue; const s8 *val = (opt->has_arg ? optarg : "yes"); OptionEntry *entry = getEntry(opt->name); if (entry) entry->val = val; else addEntry(opt->name, val); break; } break; } } if (argv[optind]) mShellCommand = argv + optind; return true; } fbterm-1.7/src/fbconfig.h000066400000000000000000000027321145700147300153630ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef CONFIG_H #define CONFIG_H #include "type.h" #include "instance.h" class Config { DECLARE_INSTANCE(Config) public: void getOption(const s8 *key, s8 *val, u32 len); void getOption(const s8 *key, u32 &val); void getOption(const s8 *key, bool &val); bool parseArgs(s32 argc, s8 **argv); s8** getShellCommand() { return mShellCommand; } private: void checkConfigFile(const s8 *name); void parseOption(s8 *str); void addEntry(const s8 *key, const s8 *val); struct OptionEntry { const s8 *key; const s8 *val; OptionEntry *next; }; OptionEntry *getEntry(const s8 *key); s8 *mConfigBuf; OptionEntry *mConfigEntrys; s8 **mShellCommand; }; #endif fbterm-1.7/src/fbdev.cpp000066400000000000000000000121361145700147300152260ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include #include #include "fbdev.h" #include "font.h" #define MIN(a,b) ((a) < (b) ? (a) : (b)) #define MAX(a,b) ((a) > (b) ? (a) : (b)) static fb_fix_screeninfo finfo; static fb_var_screeninfo vinfo; static s32 fbdev_fd; FbDev *FbDev::initFbDev() { s8 *fbdev = getenv("FRAMEBUFFER"); if (fbdev) { fbdev_fd = open(fbdev, O_RDWR); } else { fbdev_fd = open("/dev/fb0", O_RDWR); if (fbdev_fd < 0) fbdev_fd = open("/dev/fb/0", O_RDWR); } if (fbdev_fd < 0) { fprintf(stderr, "can't open frame buffer device!\n"); return 0; } fcntl(fbdev_fd, F_SETFD, fcntl(fbdev_fd, F_GETFD) | FD_CLOEXEC); ioctl(fbdev_fd, FBIOGET_FSCREENINFO, &finfo); ioctl(fbdev_fd, FBIOGET_VSCREENINFO, &vinfo); if (finfo.type != FB_TYPE_PACKED_PIXELS) { fprintf(stderr, "unsupported frame buffer device!\n"); return 0; } switch (vinfo.bits_per_pixel) { case 8: if (finfo.visual != FB_VISUAL_PSEUDOCOLOR) { fprintf(stderr, "only support pseudo-color visual with 8bpp depth!\n"); return 0; } break; case 15: case 16: case 32: if (finfo.visual != FB_VISUAL_TRUECOLOR && finfo.visual != FB_VISUAL_DIRECTCOLOR) { fprintf(stderr, "only support true-color/direct-color visual with 15/16/32bpp depth!\n"); return 0; } break; default: fprintf(stderr, "only support frame buffer device with 8/15/16/32 color depth!\n"); return 0; } return new FbDev(); } FbDev::FbDev() { mWidth = vinfo.xres; mHeight = vinfo.yres; mBitsPerPixel = vinfo.bits_per_pixel; mBytesPerLine = finfo.line_length; mVMemBase = (u8 *)mmap(0, finfo.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fbdev_fd, 0); if (mRotateType == Rotate0 || mRotateType == Rotate180) { bool ypan = (vinfo.yres_virtual > vinfo.yres && finfo.ypanstep && !(FH(1) % finfo.ypanstep)); bool ywrap = (finfo.ywrapstep && !(FH(1) % finfo.ywrapstep)); if (ywrap && !(vinfo.vmode & FB_VMODE_YWRAP)) { vinfo.vmode |= FB_VMODE_YWRAP; ioctl(fbdev_fd, FBIOPUT_VSCREENINFO, &vinfo); ywrap = (vinfo.vmode & FB_VMODE_YWRAP); } if ((ypan || ywrap) && !ioctl(fbdev_fd, FBIOPAN_DISPLAY, &vinfo)) { if (ywrap) { mScrollType = YWrap; mOffsetMax = vinfo.yres_virtual - 1; } else { mScrollType = YPan; mOffsetMax = vinfo.yres_virtual - vinfo.yres; } } } } FbDev::~FbDev() { munmap(mVMemBase, finfo.smem_len); close(fbdev_fd); if (mScrollType != Redraw) { ioctl(STDIN_FILENO, KDSETMODE, KD_GRAPHICS); ioctl(STDIN_FILENO, KDSETMODE, KD_TEXT); } } const s8 *FbDev::drvId() { return finfo.id; } void FbDev::setupOffset() { vinfo.yoffset = mOffsetCur; ioctl(fbdev_fd, FBIOPAN_DISPLAY, &vinfo); } void FbDev::setupPalette(bool restore) { if (finfo.visual == FB_VISUAL_TRUECOLOR || (!restore && !mPalette)) return; static bool palette_saved = false; static u16 saved_red[256], saved_green[256], saved_blue[256]; u32 cols, rcols, gcols, bcols; fb_cmap cmap; #define INIT_CMAP(_red, _green, _blue) \ do { \ cmap.start = 0; \ cmap.len = cols; \ cmap.red = _red; \ cmap.green = _green; \ cmap.blue = _blue; \ cmap.transp = 0; \ } while (0) if (finfo.visual == FB_VISUAL_PSEUDOCOLOR) cols = NR_COLORS; else { rcols = 1 << vinfo.red.length; gcols = 1 << vinfo.green.length; bcols = 1 << vinfo.blue.length; cols = MAX(rcols, MAX(gcols, bcols)); } if (restore) { if (!palette_saved) return; INIT_CMAP(saved_red, saved_green, saved_blue); ioctl(fbdev_fd, FBIOPUTCMAP, &cmap); } else { if (!palette_saved) { palette_saved = true; INIT_CMAP(saved_red, saved_green, saved_blue); ioctl(fbdev_fd, FBIOGETCMAP, &cmap); } u16 red[cols], green[cols], blue[cols]; if (finfo.visual == FB_VISUAL_PSEUDOCOLOR) { for (u32 i = 0; i < NR_COLORS; i++) { red[i] = (mPalette[i].red << 8) | mPalette[i].red; green[i] = (mPalette[i].green << 8) | mPalette[i].green; blue[i] = (mPalette[i].blue << 8) | mPalette[i].blue; } } else { for (u32 i = 0; i < rcols; i++) { red[i] = (65535 / (rcols - 1)) * i; } for (u32 i = 0; i < gcols; i++) { green[i] = (65535 / (gcols - 1)) * i; } for (u32 i = 0; i < bcols; i++) { blue[i] = (65535 / (bcols - 1)) * i; } } INIT_CMAP(red, green, blue); ioctl(fbdev_fd, FBIOPUTCMAP, &cmap); } } fbterm-1.7/src/fbdev.h000066400000000000000000000021151145700147300146670ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef FBDEV_H #define FBDEV_H #include "screen.h" class FbDev : public Screen { private: friend class Screen; static FbDev *initFbDev(); FbDev(); ~FbDev(); virtual void setupOffset(); virtual void setupPalette(bool restore); virtual const s8 *drvId(); }; #endif fbterm-1.7/src/fbio.cpp000066400000000000000000000054731145700147300150650ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include "config.h" #include "fbio.h" #define NR_FDS 32 #ifdef HAVE_EPOLL #include #define NR_EPOLL_FDS 10 s32 epollFd; #else static fd_set fds; static u32 maxfd = 0; #endif static IoPipe *ioPipeMap[NR_FDS]; IoDispatcher *IoDispatcher::createInstance() { return new FbIoDispatcher(); } FbIoDispatcher::FbIoDispatcher() { #ifdef HAVE_EPOLL epollFd = epoll_create(NR_EPOLL_FDS); fcntl(epollFd, F_SETFD, fcntl(epollFd, F_GETFD) | FD_CLOEXEC); #else FD_ZERO(&fds); #endif } FbIoDispatcher::~FbIoDispatcher() { for (u32 i = NR_FDS; i--;) { if (ioPipeMap[i]) delete ioPipeMap[i]; } #ifdef HAVE_EPOLL close(epollFd); #endif } void FbIoDispatcher::addIoSource(IoPipe *src, bool isread) { if (src->fd() >= NR_FDS) return; ioPipeMap[src->fd()] = src; #ifdef HAVE_EPOLL epoll_event ev; ev.data.fd = src->fd(); ev.events = (isread ? EPOLLIN : EPOLLOUT); epoll_ctl(epollFd, EPOLL_CTL_ADD, src->fd(), &ev); #else FD_SET(src->fd(), &fds); if (src->fd() > maxfd) maxfd = src->fd(); #endif } void FbIoDispatcher::removeIoSource(IoPipe *src, bool isread) { if (src->fd() >= NR_FDS) return; ioPipeMap[src->fd()] = 0; #ifdef HAVE_EPOLL epoll_event ev; ev.data.fd = src->fd(); ev.events = (isread ? EPOLLIN : EPOLLOUT); epoll_ctl(epollFd, EPOLL_CTL_DEL, src->fd(), &ev); #else FD_CLR(src->fd(), &fds); #endif } void FbIoDispatcher::poll() { #ifdef HAVE_EPOLL epoll_event evs[NR_EPOLL_FDS]; s32 nfds = epoll_wait(epollFd, evs, NR_EPOLL_FDS, -1); for (s32 i = 0; i < nfds; i++) { IoPipe *src = ioPipeMap[evs[i].data.fd]; if (!src) continue; if (evs[i].events & EPOLLIN) { src->ready(true); } if (evs[i].events & EPOLLOUT) { src->ready(false); } if (evs[i].events & EPOLLHUP) { delete src; } } #else fd_set rfds = fds; s32 num = select(maxfd + 1, &rfds, 0, 0, 0); if (num <= 0) return; for (u32 i = 0; i <= maxfd; i++) { if (FD_ISSET(i, &rfds)) { if (ioPipeMap[i]) { ioPipeMap[i]->ready(true); } if (!--num) break; } } #endif } fbterm-1.7/src/fbio.h000066400000000000000000000021631145700147300145230ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef FBIO_H #define FBIO_H #include "io.h" class FbIoDispatcher : public IoDispatcher { public: void poll(); private: friend class IoDispatcher; FbIoDispatcher(); ~FbIoDispatcher(); virtual void addIoSource(IoPipe *src, bool isread); virtual void removeIoSource(IoPipe *src, bool isread); }; #endif fbterm-1.7/src/fbshell.cpp000066400000000000000000000445521145700147300155660ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include #include #include #include "fbshell.h" #include "fbshellman.h" #include "fbconfig.h" #include "screen.h" #include "improxy.h" #include "fbterm.h" #include "font.h" #include "input.h" #define screen (Screen::instance()) #define manager (FbShellManager::instance()) static const Color defaultPalette[NR_COLORS] = { {0x00, 0x00, 0x00}, /* 0 */ {0xaa, 0x00, 0x00}, /* 1 */ {0x00, 0xaa, 0x00}, /* 2 */ {0xaa, 0x55, 0x00}, /* 3 */ {0x00, 0x00, 0xaa}, /* 4 */ {0xaa, 0x00, 0xaa}, /* 5 */ {0x00, 0xaa, 0xaa}, /* 6 */ {0xaa, 0xaa, 0xaa}, /* 7 */ {0x55, 0x55, 0x55}, /* 8 */ {0xff, 0x55, 0x55}, /* 9 */ {0x55, 0xff, 0x55}, /* 10 */ {0xff, 0xff, 0x55}, /* 11 */ {0x55, 0x55, 0xff}, /* 12 */ {0xff, 0x55, 0xff}, /* 13 */ {0x55, 0xff, 0xff}, /* 14 */ {0xff, 0xff, 0xff}, /* 15 */ {0x00, 0x00, 0x00}, /* 16 */ {0x00, 0x00, 0x5f}, /* 17 */ {0x00, 0x00, 0x87}, /* 18 */ {0x00, 0x00, 0xaf}, /* 19 */ {0x00, 0x00, 0xd7}, /* 20 */ {0x00, 0x00, 0xff}, /* 21 */ {0x00, 0x5f, 0x00}, /* 22 */ {0x00, 0x5f, 0x5f}, /* 23 */ {0x00, 0x5f, 0x87}, /* 24 */ {0x00, 0x5f, 0xaf}, /* 25 */ {0x00, 0x5f, 0xd7}, /* 26 */ {0x00, 0x5f, 0xff}, /* 27 */ {0x00, 0x87, 0x00}, /* 28 */ {0x00, 0x87, 0x5f}, /* 29 */ {0x00, 0x87, 0x87}, /* 30 */ {0x00, 0x87, 0xaf}, /* 31 */ {0x00, 0x87, 0xd7}, /* 32 */ {0x00, 0x87, 0xff}, /* 33 */ {0x00, 0xaf, 0x00}, /* 34 */ {0x00, 0xaf, 0x5f}, /* 35 */ {0x00, 0xaf, 0x87}, /* 36 */ {0x00, 0xaf, 0xaf}, /* 37 */ {0x00, 0xaf, 0xd7}, /* 38 */ {0x00, 0xaf, 0xff}, /* 39 */ {0x00, 0xd7, 0x00}, /* 40 */ {0x00, 0xd7, 0x5f}, /* 41 */ {0x00, 0xd7, 0x87}, /* 42 */ {0x00, 0xd7, 0xaf}, /* 43 */ {0x00, 0xd7, 0xd7}, /* 44 */ {0x00, 0xd7, 0xff}, /* 45 */ {0x00, 0xff, 0x00}, /* 46 */ {0x00, 0xff, 0x5f}, /* 47 */ {0x00, 0xff, 0x87}, /* 48 */ {0x00, 0xff, 0xaf}, /* 49 */ {0x00, 0xff, 0xd7}, /* 50 */ {0x00, 0xff, 0xff}, /* 51 */ {0x5f, 0x00, 0x00}, /* 52 */ {0x5f, 0x00, 0x5f}, /* 53 */ {0x5f, 0x00, 0x87}, /* 54 */ {0x5f, 0x00, 0xaf}, /* 55 */ {0x5f, 0x00, 0xd7}, /* 56 */ {0x5f, 0x00, 0xff}, /* 57 */ {0x5f, 0x5f, 0x00}, /* 58 */ {0x5f, 0x5f, 0x5f}, /* 59 */ {0x5f, 0x5f, 0x87}, /* 60 */ {0x5f, 0x5f, 0xaf}, /* 61 */ {0x5f, 0x5f, 0xd7}, /* 62 */ {0x5f, 0x5f, 0xff}, /* 63 */ {0x5f, 0x87, 0x00}, /* 64 */ {0x5f, 0x87, 0x5f}, /* 65 */ {0x5f, 0x87, 0x87}, /* 66 */ {0x5f, 0x87, 0xaf}, /* 67 */ {0x5f, 0x87, 0xd7}, /* 68 */ {0x5f, 0x87, 0xff}, /* 69 */ {0x5f, 0xaf, 0x00}, /* 70 */ {0x5f, 0xaf, 0x5f}, /* 71 */ {0x5f, 0xaf, 0x87}, /* 72 */ {0x5f, 0xaf, 0xaf}, /* 73 */ {0x5f, 0xaf, 0xd7}, /* 74 */ {0x5f, 0xaf, 0xff}, /* 75 */ {0x5f, 0xd7, 0x00}, /* 76 */ {0x5f, 0xd7, 0x5f}, /* 77 */ {0x5f, 0xd7, 0x87}, /* 78 */ {0x5f, 0xd7, 0xaf}, /* 79 */ {0x5f, 0xd7, 0xd7}, /* 80 */ {0x5f, 0xd7, 0xff}, /* 81 */ {0x5f, 0xff, 0x00}, /* 82 */ {0x5f, 0xff, 0x5f}, /* 83 */ {0x5f, 0xff, 0x87}, /* 84 */ {0x5f, 0xff, 0xaf}, /* 85 */ {0x5f, 0xff, 0xd7}, /* 86 */ {0x5f, 0xff, 0xff}, /* 87 */ {0x87, 0x00, 0x00}, /* 88 */ {0x87, 0x00, 0x5f}, /* 89 */ {0x87, 0x00, 0x87}, /* 90 */ {0x87, 0x00, 0xaf}, /* 91 */ {0x87, 0x00, 0xd7}, /* 92 */ {0x87, 0x00, 0xff}, /* 93 */ {0x87, 0x5f, 0x00}, /* 94 */ {0x87, 0x5f, 0x5f}, /* 95 */ {0x87, 0x5f, 0x87}, /* 96 */ {0x87, 0x5f, 0xaf}, /* 97 */ {0x87, 0x5f, 0xd7}, /* 98 */ {0x87, 0x5f, 0xff}, /* 99 */ {0x87, 0x87, 0x00}, /* 100 */ {0x87, 0x87, 0x5f}, /* 101 */ {0x87, 0x87, 0x87}, /* 102 */ {0x87, 0x87, 0xaf}, /* 103 */ {0x87, 0x87, 0xd7}, /* 104 */ {0x87, 0x87, 0xff}, /* 105 */ {0x87, 0xaf, 0x00}, /* 106 */ {0x87, 0xaf, 0x5f}, /* 107 */ {0x87, 0xaf, 0x87}, /* 108 */ {0x87, 0xaf, 0xaf}, /* 109 */ {0x87, 0xaf, 0xd7}, /* 110 */ {0x87, 0xaf, 0xff}, /* 111 */ {0x87, 0xd7, 0x00}, /* 112 */ {0x87, 0xd7, 0x5f}, /* 113 */ {0x87, 0xd7, 0x87}, /* 114 */ {0x87, 0xd7, 0xaf}, /* 115 */ {0x87, 0xd7, 0xd7}, /* 116 */ {0x87, 0xd7, 0xff}, /* 117 */ {0x87, 0xff, 0x00}, /* 118 */ {0x87, 0xff, 0x5f}, /* 119 */ {0x87, 0xff, 0x87}, /* 120 */ {0x87, 0xff, 0xaf}, /* 121 */ {0x87, 0xff, 0xd7}, /* 122 */ {0x87, 0xff, 0xff}, /* 123 */ {0xaf, 0x00, 0x00}, /* 124 */ {0xaf, 0x00, 0x5f}, /* 125 */ {0xaf, 0x00, 0x87}, /* 126 */ {0xaf, 0x00, 0xaf}, /* 127 */ {0xaf, 0x00, 0xd7}, /* 128 */ {0xaf, 0x00, 0xff}, /* 129 */ {0xaf, 0x5f, 0x00}, /* 130 */ {0xaf, 0x5f, 0x5f}, /* 131 */ {0xaf, 0x5f, 0x87}, /* 132 */ {0xaf, 0x5f, 0xaf}, /* 133 */ {0xaf, 0x5f, 0xd7}, /* 134 */ {0xaf, 0x5f, 0xff}, /* 135 */ {0xaf, 0x87, 0x00}, /* 136 */ {0xaf, 0x87, 0x5f}, /* 137 */ {0xaf, 0x87, 0x87}, /* 138 */ {0xaf, 0x87, 0xaf}, /* 139 */ {0xaf, 0x87, 0xd7}, /* 140 */ {0xaf, 0x87, 0xff}, /* 141 */ {0xaf, 0xaf, 0x00}, /* 142 */ {0xaf, 0xaf, 0x5f}, /* 143 */ {0xaf, 0xaf, 0x87}, /* 144 */ {0xaf, 0xaf, 0xaf}, /* 145 */ {0xaf, 0xaf, 0xd7}, /* 146 */ {0xaf, 0xaf, 0xff}, /* 147 */ {0xaf, 0xd7, 0x00}, /* 148 */ {0xaf, 0xd7, 0x5f}, /* 149 */ {0xaf, 0xd7, 0x87}, /* 150 */ {0xaf, 0xd7, 0xaf}, /* 151 */ {0xaf, 0xd7, 0xd7}, /* 152 */ {0xaf, 0xd7, 0xff}, /* 153 */ {0xaf, 0xff, 0x00}, /* 154 */ {0xaf, 0xff, 0x5f}, /* 155 */ {0xaf, 0xff, 0x87}, /* 156 */ {0xaf, 0xff, 0xaf}, /* 157 */ {0xaf, 0xff, 0xd7}, /* 158 */ {0xaf, 0xff, 0xff}, /* 159 */ {0xd7, 0x00, 0x00}, /* 160 */ {0xd7, 0x00, 0x5f}, /* 161 */ {0xd7, 0x00, 0x87}, /* 162 */ {0xd7, 0x00, 0xaf}, /* 163 */ {0xd7, 0x00, 0xd7}, /* 164 */ {0xd7, 0x00, 0xff}, /* 165 */ {0xd7, 0x5f, 0x00}, /* 166 */ {0xd7, 0x5f, 0x5f}, /* 167 */ {0xd7, 0x5f, 0x87}, /* 168 */ {0xd7, 0x5f, 0xaf}, /* 169 */ {0xd7, 0x5f, 0xd7}, /* 170 */ {0xd7, 0x5f, 0xff}, /* 171 */ {0xd7, 0x87, 0x00}, /* 172 */ {0xd7, 0x87, 0x5f}, /* 173 */ {0xd7, 0x87, 0x87}, /* 174 */ {0xd7, 0x87, 0xaf}, /* 175 */ {0xd7, 0x87, 0xd7}, /* 176 */ {0xd7, 0x87, 0xff}, /* 177 */ {0xd7, 0xaf, 0x00}, /* 178 */ {0xd7, 0xaf, 0x5f}, /* 179 */ {0xd7, 0xaf, 0x87}, /* 180 */ {0xd7, 0xaf, 0xaf}, /* 181 */ {0xd7, 0xaf, 0xd7}, /* 182 */ {0xd7, 0xaf, 0xff}, /* 183 */ {0xd7, 0xd7, 0x00}, /* 184 */ {0xd7, 0xd7, 0x5f}, /* 185 */ {0xd7, 0xd7, 0x87}, /* 186 */ {0xd7, 0xd7, 0xaf}, /* 187 */ {0xd7, 0xd7, 0xd7}, /* 188 */ {0xd7, 0xd7, 0xff}, /* 189 */ {0xd7, 0xff, 0x00}, /* 190 */ {0xd7, 0xff, 0x5f}, /* 191 */ {0xd7, 0xff, 0x87}, /* 192 */ {0xd7, 0xff, 0xaf}, /* 193 */ {0xd7, 0xff, 0xd7}, /* 194 */ {0xd7, 0xff, 0xff}, /* 195 */ {0xff, 0x00, 0x00}, /* 196 */ {0xff, 0x00, 0x5f}, /* 197 */ {0xff, 0x00, 0x87}, /* 198 */ {0xff, 0x00, 0xaf}, /* 199 */ {0xff, 0x00, 0xd7}, /* 200 */ {0xff, 0x00, 0xff}, /* 201 */ {0xff, 0x5f, 0x00}, /* 202 */ {0xff, 0x5f, 0x5f}, /* 203 */ {0xff, 0x5f, 0x87}, /* 204 */ {0xff, 0x5f, 0xaf}, /* 205 */ {0xff, 0x5f, 0xd7}, /* 206 */ {0xff, 0x5f, 0xff}, /* 207 */ {0xff, 0x87, 0x00}, /* 208 */ {0xff, 0x87, 0x5f}, /* 209 */ {0xff, 0x87, 0x87}, /* 210 */ {0xff, 0x87, 0xaf}, /* 211 */ {0xff, 0x87, 0xd7}, /* 212 */ {0xff, 0x87, 0xff}, /* 213 */ {0xff, 0xaf, 0x00}, /* 214 */ {0xff, 0xaf, 0x5f}, /* 215 */ {0xff, 0xaf, 0x87}, /* 216 */ {0xff, 0xaf, 0xaf}, /* 217 */ {0xff, 0xaf, 0xd7}, /* 218 */ {0xff, 0xaf, 0xff}, /* 219 */ {0xff, 0xd7, 0x00}, /* 220 */ {0xff, 0xd7, 0x5f}, /* 221 */ {0xff, 0xd7, 0x87}, /* 222 */ {0xff, 0xd7, 0xaf}, /* 223 */ {0xff, 0xd7, 0xd7}, /* 224 */ {0xff, 0xd7, 0xff}, /* 225 */ {0xff, 0xff, 0x00}, /* 226 */ {0xff, 0xff, 0x5f}, /* 227 */ {0xff, 0xff, 0x87}, /* 228 */ {0xff, 0xff, 0xaf}, /* 229 */ {0xff, 0xff, 0xd7}, /* 230 */ {0xff, 0xff, 0xff}, /* 231 */ {0x08, 0x08, 0x08}, /* 232 */ {0x12, 0x12, 0x12}, /* 233 */ {0x1c, 0x1c, 0x1c}, /* 234 */ {0x26, 0x26, 0x26}, /* 235 */ {0x30, 0x30, 0x30}, /* 236 */ {0x3a, 0x3a, 0x3a}, /* 237 */ {0x44, 0x44, 0x44}, /* 238 */ {0x4e, 0x4e, 0x4e}, /* 239 */ {0x58, 0x58, 0x58}, /* 240 */ {0x62, 0x62, 0x62}, /* 241 */ {0x6c, 0x6c, 0x6c}, /* 242 */ {0x76, 0x76, 0x76}, /* 243 */ {0x80, 0x80, 0x80}, /* 244 */ {0x8a, 0x8a, 0x8a}, /* 245 */ {0x94, 0x94, 0x94}, /* 246 */ {0x9e, 0x9e, 0x9e}, /* 247 */ {0xa8, 0xa8, 0xa8}, /* 248 */ {0xb2, 0xb2, 0xb2}, /* 249 */ {0xbc, 0xbc, 0xbc}, /* 250 */ {0xc6, 0xc6, 0xc6}, /* 251 */ {0xd0, 0xd0, 0xd0}, /* 252 */ {0xda, 0xda, 0xda}, /* 253 */ {0xe4, 0xe4, 0xe4}, /* 254 */ {0xee, 0xee, 0xee}, /* 255 */ }; static bool firstShell = true; u16 VTerm::init_history_lines() { u32 val = 1000; Config::instance()->getOption("history-lines", val); if (val > 65535) val = 65535; return val; } u8 VTerm::init_default_color(bool foreground) { u32 color; if (foreground) { color = 7; Config::instance()->getOption("color-foreground", color); if (color > 7) color = 7; } else { color = 0; Config::instance()->getOption("color-background", color); if (color > 7) color = 0; } return color; } bool VTerm::init_ambiguous_wide() { bool val = false; Config::instance()->getOption("ambiguous-wide", val); return val; } void Shell::initWordChars(s8 *buf, u32 len) { Config::instance()->getOption("word-chars", buf, len); } FbShell::FbShell() { mImProxy = 0; mPaletteChanged = false; mPalette = 0; createShellProcess(Config::instance()->getShellCommand()); resize(screen->cols(), screen->rows()); firstShell = false; } FbShell::~FbShell() { if (mImProxy) delete mImProxy; manager->shellExited(this); if (mPalette) delete[] mPalette; } void FbShell::drawChars(CharAttr attr, u16 x, u16 y, u16 w, u16 num, u16 *chars, bool *dws) { if (manager->activeShell() != this) return; adjustCharAttr(attr); screen->drawText(FW(x), FH(y), attr.fcolor, attr.bcolor, num, chars, dws); if (mImProxy) { Rectangle rect = { FW(x), FH(y), FW(w), FH(1) }; mImProxy->redrawImWin(rect); } } bool FbShell::moveChars(u16 sx, u16 sy, u16 dx, u16 dy, u16 w, u16 h) { if (manager->activeShell() != this) return true; return screen->move(sx, sy, dx, dy, w, h); } void FbShell::drawCursor(CharAttr attr, u16 x, u16 y, u16 c) { u16 oldX = mCursor.x, oldY = mCursor.y; adjustCharAttr(attr); mCursor.attr = attr; mCursor.x = x; mCursor.y = y; mCursor.code = c; mCursor.showed = false; updateCursor(); if (manager->activeShell() == this && (oldX != x || oldY != y)) { reportCursor(); } } void FbShell::updateCursor() { if (manager->activeShell() != this || mCursor.x >= w() || mCursor.y >= h()) return; mCursor.showed ^= true; u16 shape = mode(CursorShape); if (shape == CurDefault) { static bool inited = false; static u32 default_shape = 0; if (!inited) { inited = true; Config::instance()->getOption("cursor-shape", default_shape); if (!default_shape) default_shape = CurUnderline; else default_shape = CurBlock; } shape = default_shape; } switch (shape) { case CurNone: break; case CurUnderline: screen->fillRect(FW(mCursor.x), FH(mCursor.y + 1) - 1, FW(1), 1, mCursor.showed ? mCursor.attr.fcolor : mCursor.attr.bcolor); if (mImProxy) { Rectangle rect = { FW(mCursor.x), FH(mCursor.y + 1) - 1, FW(1), 1 }; mImProxy->redrawImWin(rect); } break; default: { bool dw = (mCursor.attr.type != CharAttr::Single); u16 x = mCursor.x; if (mCursor.attr.type == CharAttr::DoubleRight) x--; CharAttr attr = mCursor.attr; if (mCursor.showed) { u8 temp = attr.fcolor; attr.fcolor = attr.bcolor; attr.bcolor = temp; } drawChars(attr, x, mCursor.y, dw ? FW(2) : FW(1), 1, &mCursor.code, &dw); break; } } } void FbShell::enableCursor(bool enable) { static u32 interval = 500; static bool inited = false; if (!inited) { inited = true; Config::instance()->getOption("cursor-interval", interval); } if (!interval) return; static bool enabled = false; if (enabled == enable) return; enabled = enable; u32 val = (enable ? interval : 0); u32 sec = val / 1000, usec = (val % 1000) * 1000; struct itimerval timer; timer.it_interval.tv_usec = usec; timer.it_interval.tv_sec = sec; timer.it_value.tv_usec = usec; timer.it_value.tv_sec = sec; setitimer(ITIMER_REAL, &timer, NULL); } void FbShell::modeChanged(ModeType type) { if (manager->activeShell() != this) return; if (type & (CursorVisible | CursorShape)) { enableCursor(mode(CursorVisible) && mode(CursorShape) != CurNone); } if (type & CursorKeyEscO) { changeMode(CursorKeyEscO, mode(CursorKeyEscO)); } if (type & AutoRepeatKey) { changeMode(AutoRepeatKey, mode(AutoRepeatKey)); } if (type & ApplicKeypad) { changeMode(ApplicKeypad, mode(ApplicKeypad)); } if (type & CRWithLF) { changeMode(CRWithLF, mode(CRWithLF)); } if (type & (CursorKeyEscO | ApplicKeypad | CRWithLF)) { reportMode(); } } void FbShell::request(RequestType type, u32 val) { bool active = (manager->activeShell() == this); switch (type) { case PaletteSet: if ((val >> 24) >= NR_COLORS) break; if (!mPaletteChanged) { mPaletteChanged = true; if (!mPalette) mPalette = new Color[NR_COLORS]; memcpy(mPalette, defaultPalette, sizeof(defaultPalette)); } mPalette[val >> 24].red = (val >> 16) & 0xff; mPalette[val >> 24].green = (val >> 8) & 0xff; mPalette[val >> 24].blue = val & 0xff; if (active) { screen->setPalette(mPalette); } break; case PaletteClear: if (!mPaletteChanged) break; mPaletteChanged = false; if (active) { screen->setPalette(defaultPalette); } break; case VcSwitch: break; default: break; } } static s32 tty0_fd = -1; void FbShell::switchVt(bool enter, FbShell *peer) { if (tty0_fd == -1) tty0_fd = open("/dev/tty0", O_RDWR); if (tty0_fd != -1) { seteuid(0); ioctl(tty0_fd, TIOCCONS, 0); if (enter) { s32 slavefd = open(ptsname(fd()), O_RDWR); ioctl(slavefd, TIOCCONS, 0); close(slavefd); } seteuid(getuid()); } if (mImProxy) { mImProxy->switchVt(enter, peer ? peer->mImProxy : 0); } if (enter) { screen->setPalette(mPaletteChanged ? mPalette : defaultPalette); modeChanged(AllModes); reportCursor(); } else if (!peer) { changeMode(CursorKeyEscO, false); changeMode(ApplicKeypad, false); changeMode(CRWithLF, false); changeMode(AutoRepeatKey, true); enableCursor(false); screen->setPalette(defaultPalette); } } void FbShell::initShellProcess() { if (tty0_fd != -1) close(tty0_fd); FbTerm::instance()->initChildProcess(); if (!firstShell) return; bool verbose = false; Config::instance()->getOption("verbose", verbose); TtyInput::instance()->showInfo(verbose); Screen::instance()->showInfo(verbose); Font::instance()->showInfo(verbose); if (verbose) { printf("[term] size: %dx%d, default codec: %s\n", screen->cols(), screen->rows(), localCodec()); } } void FbShell::switchCodec(u8 index) { if (!index) { setCodec("UTF-8", localCodec()); return; } #define NR_CODECS 5 if (index > NR_CODECS) return; static s8 buf[128], *codecs[NR_CODECS]; static bool inited = false; if (!inited) { inited = true; Config::instance()->getOption("text-encodings", buf, sizeof(buf)); if (!*buf) return; s8 *cur = buf, *next; u8 i = 0; while (1) { next = strchr(cur, ','); codecs[i++] = cur; if (!next) break; *next = 0; if (i == NR_CODECS) break; cur = next + 1; } } if (codecs[index - 1]) { setCodec("UTF-8", codecs[index - 1]); } } void FbShell::keyInput(s8 *buf, u32 len) { if (mImProxy && mImProxy->actived()) { mImProxy->sendKey(buf, len); } else { imInput(buf, len); } } void FbShell::mouseInput(u16 x, u16 y, s32 type, s32 buttons) { if (type == Move) { clearMousePointer(); CharAttr attr = charAttr(x, y); adjustCharAttr(attr); bool dw = (attr.type != CharAttr::Single); u16 code = charCode(x, y); if (attr.type == CharAttr::DoubleRight) x--; screen->drawText(FW(x), FH(y), attr.bcolor, attr.fcolor, 1, &code, &dw); mMousePointer.x = x; mMousePointer.y = y; mMousePointer.drawed = true; } Shell::mouseInput(x, y, type, buttons); } void FbShell::readyRead(s8 *buf, u32 len) { clearMousePointer(); Shell::readyRead(buf, len); } void FbShell::clearMousePointer() { if (mMousePointer.drawed) { mMousePointer.drawed = false; expose(mMousePointer.x, mMousePointer.y, 1, 1); } } void FbShell::expose(u16 x, u16 y, u16 w, u16 h) { VTerm::expose(x, y, w, h); if (mode(CursorVisible) && mCursor.y >= y && mCursor.y < (y + h) && mCursor.x >= x && mCursor.x < (x + w)) { mCursor.showed = false; updateCursor(); } } void FbShell::adjustCharAttr(CharAttr &attr) { if (attr.italic) attr.fcolor = 2; // green else if (attr.underline) attr.fcolor = 6; // cyan else if (attr.intensity == 0) attr.fcolor = 8; // gray if (attr.blink && attr.bcolor < 8) attr.bcolor ^= 8; if (attr.intensity == 2 && attr.fcolor < 8) attr.fcolor ^= 8; if (attr.reverse) { u16 temp = attr.bcolor; attr.bcolor = attr.fcolor; attr.fcolor = temp; if (attr.bcolor > 8 && attr.bcolor < 16) attr.bcolor -= 8; } } void FbShell::changeMode(ModeType type, u16 val) { const s8 *str = 0; if (type == CursorKeyEscO) str = (val ? "\e[?1h" : "\e[?1l"); else if (type == AutoRepeatKey) str = (val ? "\e[?8h" : "\e[?8l"); else if (type == ApplicKeypad) str = (val ? "\e=" : "\e>"); else if (type == CRWithLF) str = (val ? "\e[20h" : "\e[20l"); if (str) { s32 ret = ::write(STDIN_FILENO, str, strlen(str)); } } void FbShell::reportCursor() { if (mImProxy) mImProxy->changeCursorPos(mCursor.x, mCursor.y); } void FbShell::reportMode() { if (mImProxy) mImProxy->changeTermMode(mode(CRWithLF), mode(ApplicKeypad), mode(CursorKeyEscO)); } void FbShell::killIm() { if (mImProxy) delete mImProxy; } void FbShell::toggleIm() { if (!mImProxy) mImProxy = new ImProxy(this); if (mImProxy) { mImProxy->toggleActive(); reportCursor(); reportMode(); } } void FbShell::imInput(s8 *buf, u32 len) { clearMousePointer(); Shell::keyInput(buf, len); } bool FbShell::childProcessExited(s32 pid) { if (mImProxy && pid == mImProxy->imProcessId()) { delete mImProxy; return true; } if (pid == shellProcessId()) { delete this; return true; } return false; } fbterm-1.7/src/fbshell.h000066400000000000000000000043411145700147300152230ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef FBSHELL_H #define FBSHELL_H #include "shell.h" class FbShell : public Shell { public: void keyInput(s8 *buf, u32 len); void mouseInput(u16 x, u16 y, s32 type, s32 buttons); void switchCodec(u8 index); void expose(u16 x, u16 y, u16 w, u16 h); void toggleIm(); void killIm(); void imInput(s8 *buf, u32 len); void ImExited() { mImProxy = 0; } bool childProcessExited(s32 pid); private: friend class FbShellManager; FbShell(); ~FbShell(); virtual void drawChars(CharAttr attr, u16 x, u16 y, u16 w, u16 num, u16 *chars, bool *dws); virtual bool moveChars(u16 sx, u16 sy, u16 dx, u16 dy, u16 w, u16 h); virtual void drawCursor(CharAttr attr, u16 x, u16 y, u16 c); virtual void modeChanged(ModeType type); virtual void request(RequestType type, u32 val = 0); virtual void initShellProcess(); virtual void readyRead(s8 *buf, u32 len); void switchVt(bool enter, FbShell *peer); void adjustCharAttr(CharAttr &attr); void enableCursor(bool enable); void updateCursor(); void clearMousePointer(); void changeMode(ModeType type, u16 val); void reportCursor(); void reportMode(); struct Cursor { Cursor() { x = y = (u16)-1; showed = false; } bool showed; u16 x, y; u16 code; CharAttr attr; } mCursor; struct MousePointer { MousePointer() { drawed = false; } u16 x, y; bool drawed; } mMousePointer; bool mPaletteChanged; struct Color *mPalette; class ImProxy *mImProxy; }; #endif fbterm-1.7/src/fbshellman.cpp000066400000000000000000000071471145700147300162610ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include "fbshellman.h" #include "fbshell.h" #include "fbterm.h" #include "screen.h" #include "improxy.h" #include "font.h" #define screen (Screen::instance()) #define SHELL_ANY ((FbShell *)-1) DEFINE_INSTANCE_DEFAULT(FbShellManager) FbShellManager::FbShellManager() { mVcCurrent = false; mShellCount = 0; mCurShell = 0; mActiveShell = 0; memset(mShellList, 0, sizeof(mShellList)); } FbShellManager::~FbShellManager() { } void FbShellManager::createShell() { if (mShellCount == NR_SHELLS) return; mShellCount++; u32 index = getIndex(0, true, false); mShellList[index] = new FbShell(); switchShell(index); } void FbShellManager::deleteShell() { if (mShellList[mCurShell]) delete mShellList[mCurShell]; } void FbShellManager::nextShell() { switchShell(getIndex(SHELL_ANY, true, true)); } void FbShellManager::prevShell() { switchShell(getIndex(SHELL_ANY, false, true)); } void FbShellManager::switchShell(u32 num) { if (num >= NR_SHELLS) return; mCurShell = num; if (mVcCurrent && setActive(mShellList[mCurShell])) { redraw(0, 0, screen->cols(), screen->rows()); } } void FbShellManager::drawCursor() { if (mActiveShell) { mActiveShell->updateCursor(); } } void FbShellManager::historyScroll(bool down) { if (mActiveShell) { mActiveShell->historyDisplay(false, down ? mActiveShell->h() : -mActiveShell->h()); } } void FbShellManager::switchVc(bool enter) { mVcCurrent = enter; setActive(enter ? mShellList[mCurShell] : 0); if (enter) { redraw(0, 0, screen->cols(), screen->rows()); } } void FbShellManager::shellExited(FbShell *shell) { if (!shell) return; u8 index = getIndex(shell, true, false); mShellList[index] = 0; if (index == mCurShell) { prevShell(); } if (!--mShellCount) { FbTerm::instance()->exit(); } } u32 FbShellManager::getIndex(FbShell *shell, bool forward, bool stepfirst) { u32 index, temp = mCurShell + NR_SHELLS; #define STEP() do { \ if (forward) temp++; \ else temp--; \ } while (0) if (stepfirst) STEP(); for (u32 i = NR_SHELLS; i--;) { index = temp % NR_SHELLS; if ((shell == SHELL_ANY && mShellList[index]) || shell == mShellList[index]) break; STEP(); } return index; } bool FbShellManager::setActive(FbShell *shell) { if (mActiveShell == shell) return false; if (mActiveShell) { mActiveShell->switchVt(false, shell); } FbShell *oldActiveShell = mActiveShell; mActiveShell = shell; if (mActiveShell) { mActiveShell->switchVt(true, oldActiveShell); } return true; } void FbShellManager::redraw(u16 x, u16 y, u16 w, u16 h) { if (mActiveShell) { mActiveShell->expose(x, y, w, h); } else { screen->fillRect(FW(x), FH(y), FW(w), FH(h), 0); } } void FbShellManager::childProcessExited(s32 pid) { for (u32 i = 0; i < NR_SHELLS; i++) { if (mShellList[i] && mShellList[i]->childProcessExited(pid)) break; } } fbterm-1.7/src/fbshellman.h000066400000000000000000000030631145700147300157170ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef FBSHELL_MANAGER_H #define FBSHELL_MANAGER_H #include "type.h" #include "instance.h" class FbShell; class FbShellManager { DECLARE_INSTANCE(FbShellManager) public: FbShell *activeShell() { return mActiveShell; } void createShell(); void deleteShell(); void shellExited(FbShell *shell); void switchShell(u32 num); void nextShell(); void prevShell(); void drawCursor(); void historyScroll(bool down); void redraw(u16 x, u16 y, u16 w, u16 h); void switchVc(bool enter); void childProcessExited(s32 pid); private: u32 getIndex(FbShell *shell, bool forward, bool stepfirst); bool setActive(FbShell *shell); #define NR_SHELLS 10 FbShell *mShellList[NR_SHELLS], *mActiveShell; u32 mShellCount, mCurShell; bool mVcCurrent; }; #endif fbterm-1.7/src/fbterm.cpp000066400000000000000000000132411145700147300154150ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include #include #include "config.h" #include "fbterm.h" #include "fbshell.h" #include "fbshellman.h" #include "fbconfig.h" #include "fbio.h" #include "screen.h" #include "input.h" #include "input_key.h" #include "mouse.h" #ifdef HAVE_SIGNALFD // offered by some systems has bug with g++ #include "signalfd.h" static sigset_t oldSigmask; class SignalIo : public IoPipe { public: SignalIo(sigset_t &sigmask); private: virtual void readyRead(s8 *buf, u32 len); }; SignalIo::SignalIo(sigset_t &sigmask) { int fd = signalfd(-1, &sigmask, 0); setFd(fd); } void SignalIo::readyRead(s8 *buf, u32 len) { signalfd_siginfo *si = (signalfd_siginfo*)buf; for (len /= sizeof(*si); len--; si++) { FbTerm::instance()->processSignal(si->ssi_signo); } } #else static volatile sig_atomic_t pendsigs = 0; static void signalHandler(s32 signo) { pendsigs |= 1 << signo; } static void pollSignal() { if (!pendsigs) return; sig_atomic_t sigs = pendsigs; pendsigs = 0; for (u32 i = 0; i < sizeof(sigs); i++) { u8 sig8 = (sigs >> (i * 8)) & 0xff; if (!sig8) continue; for (u32 j = 0; j < 8; j++) { if (sig8 & (1 << j)) { FbTerm::instance()->processSignal(i * 8 + j); } } } } #endif DEFINE_INSTANCE_DEFAULT(FbTerm) FbTerm::FbTerm() { mInit = false; init(); } FbTerm::~FbTerm() { IoDispatcher::uninstance(); FbShellManager::uninstance(); Screen::uninstance(); } void FbTerm::init() { if (!TtyInput::instance() || !Screen::instance()) return; struct vt_mode vtm; vtm.mode = VT_PROCESS; vtm.waitv = 0; vtm.relsig = SIGUSR1; vtm.acqsig = SIGUSR2; vtm.frsig = 0; ioctl(STDIN_FILENO, VT_SETMODE, &vtm); #ifdef HAVE_SIGNALFD sigset_t sigmask; sigemptyset(&sigmask); sigaddset(&sigmask, SIGCHLD); sigaddset(&sigmask, SIGUSR1); sigaddset(&sigmask, SIGUSR2); sigaddset(&sigmask, SIGALRM); sigaddset(&sigmask, SIGTERM); sigaddset(&sigmask, SIGHUP); sigprocmask(SIG_BLOCK, &sigmask, &oldSigmask); new SignalIo(sigmask); #else sighandler_t sh = signalHandler; signal(SIGCHLD, sh); signal(SIGUSR1, sh); signal(SIGUSR2, sh); signal(SIGALRM, sh); signal(SIGTERM, sh); signal(SIGHUP, sh); #endif signal(SIGPIPE, SIG_IGN); Mouse::instance(); mInit = true; } static bool isActiveTerm() { struct vt_stat vtstat; ioctl(STDIN_FILENO, VT_GETSTATE, &vtstat); struct stat ttystat; fstat(STDIN_FILENO, &ttystat); return vtstat.v_active == MINOR(ttystat.st_rdev); } void FbTerm::run() { if (!mInit) return; if (isActiveTerm()) processSignal(SIGUSR2); FbShellManager::instance()->createShell(); mRun = true; FbIoDispatcher *io = (FbIoDispatcher*)IoDispatcher::instance(); while (mRun) { io->poll(); #ifndef HAVE_SIGNALFD pollSignal(); #endif } if (isActiveTerm()) processSignal(SIGUSR1); } void FbTerm::processSignal(u32 signo) { switch (signo) { case SIGTERM: case SIGHUP: exit(); break; case SIGALRM: FbShellManager::instance()->drawCursor(); break; case SIGUSR1: FbShellManager::instance()->switchVc(false); Screen::instance()->switchVc(false); TtyInput::instance()->switchVc(false); Mouse::instance()->switchVc(false); ioctl(STDIN_FILENO, VT_RELDISP, 1); break; case SIGUSR2: Mouse::instance()->switchVc(true); TtyInput::instance()->switchVc(true); Screen::instance()->switchVc(true); FbShellManager::instance()->switchVc(true); break; case SIGCHLD: if (mRun) { s32 pid = waitpid(WAIT_ANY, 0, WNOHANG); if (pid > 0) { FbShellManager::instance()->childProcessExited(pid); } } break; default: break; } } void FbTerm::processSysKey(u32 key) { FbShellManager *manager = FbShellManager::instance(); switch (key) { case CTRL_ALT_E: exit(); break; case SHIFT_PAGEDOWN: case SHIFT_PAGEUP: manager->historyScroll(key == SHIFT_PAGEDOWN); break; case CTRL_ALT_C: manager->createShell(); break; case CTRL_ALT_D: manager->deleteShell(); break; case CTRL_ALT_1 ... CTRL_ALT_0: manager->switchShell(key - CTRL_ALT_1); break; case SHIFT_LEFT: manager->prevShell(); break; case SHIFT_RIGHT: manager->nextShell(); break; case CTRL_ALT_F1 ... CTRL_ALT_F6: if (manager->activeShell()) { manager->activeShell()->switchCodec(key - CTRL_ALT_F1); } break; case CTRL_SPACE: if (manager->activeShell()) { manager->activeShell()->toggleIm(); } break; case CTRL_ALT_K: if (manager->activeShell()) { manager->activeShell()->killIm(); } default: break; } } void FbTerm::initChildProcess() { setuid(getuid()); #ifdef HAVE_SIGNALFD sigprocmask(SIG_SETMASK, &oldSigmask, 0); #endif signal(SIGPIPE, SIG_DFL); } int main(int argc, char **argv) { seteuid(getuid()); if (Config::instance()->parseArgs(argc, argv)) { FbTerm::instance()->run(); FbTerm::uninstance(); } Config::uninstance(); return 0; } fbterm-1.7/src/fbterm.h000066400000000000000000000021651145700147300150650ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef FBTERM_H #define FBTERM_H #include "type.h" #include "instance.h" class FbTerm { DECLARE_INSTANCE(FbTerm) public: void run(); void exit() { mRun = false; } void processSysKey(u32 key); void processSignal(u32 signo); void initChildProcess(); private: void init(); bool mInit, mRun; }; #endif fbterm-1.7/src/font.cpp000066400000000000000000000201101145700147300150750ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include FT_GLYPH_H #include "font.h" #include "screen.h" #include "fbconfig.h" #define OFFSET(TYPE, MEMBER) ((size_t)(&(((TYPE *)0)->MEMBER))) #define SUBS(a, b) ((a) > (b) ? (a) - (b) : (b) - (a)) #define MIN(a, b) ((a) < (b) ? (a) : (b)) static FcCharSet *unicodeMap; static FcFontSet *fontList; static FT_Library ftlib; static FT_Face *fontFaces; static u32 *fontFlags; static Font::Glyph **glyphCache; static bool *glyphCacheInited; static void openFont(u32 index); DEFINE_INSTANCE(Font) Font *Font::createInstance() { FcInit(); s8 buf[64]; Config::instance()->getOption("font-names", buf, sizeof(buf)); FcPattern *pat = FcNameParse((FcChar8 *)(*buf ? buf : "mono")); u32 pixel_size = 12; Config::instance()->getOption("font-size", pixel_size); FcPatternAddDouble(pat, FC_PIXEL_SIZE, (double)pixel_size); FcPatternAddString(pat, FC_LANG, (FcChar8 *)"en"); FcConfigSubstitute(NULL, pat, FcMatchPattern); FcDefaultSubstitute(pat); FcResult result; FcFontSet *fs = FcFontSort(NULL, pat, FcTrue, &unicodeMap, &result); if (fs) { fontList = FcFontSetCreate(); FcObjectSet *family = FcObjectSetCreate(); FcObjectSetAdd(family, FC_FAMILY); for (u32 i = 0; i < fs->nfont; i++) { FcPattern *font = FcFontRenderPrepare(NULL, pat, fs->fonts[i]); if (!font) continue; bool same = false; for (u32 j = 0; j < fontList->nfont; j++) { if (FcPatternEqualSubset(fontList->fonts[j], font, family)) { same = true; break; } } if (same) { FcPatternDestroy(font); } else { FcFontSetAdd(fontList, font); } } FcObjectSetDestroy(family); } FcPatternDestroy(pat); if (fs) FcFontSetDestroy(fs); if (fontList && fontList->nfont) return new Font(); if (unicodeMap) FcCharSetDestroy(unicodeMap); if (fontList) FcFontSetDestroy(fontList); FcFini(); return 0; } Font::Font() { mHeight = mWidth = 0; fontFaces = new FT_Face[fontList->nfont]; fontFlags = new u32[fontList->nfont]; memset(fontFaces, 0, sizeof(FT_Face) * fontList->nfont); glyphCache = new Glyph *[256 * 256]; glyphCacheInited = new bool[256]; memset(glyphCacheInited, 0, sizeof(bool) * 256); FT_Init_FreeType(&ftlib); openFont(0); FT_Face face = fontFaces[0]; if (face == (FT_Face)-1) return; if (face->face_flags & FT_FACE_FLAG_SCALABLE) { mHeight = face->size->metrics.height >> 6; mWidth = face->size->metrics.max_advance >> 6; } else if (face->num_fixed_sizes) { double dsize; FcPatternGetDouble(fontList->fonts[0], FC_PIXEL_SIZE, 0, &dsize); FT_Bitmap_Size *sizes = face->available_sizes; u32 index = 0, diffmin = (u32)-1; for (u32 i = 0; i < face->num_fixed_sizes; i++) { u32 diff = SUBS(sizes[i].size >> 6, (u32)dsize); if (diff < diffmin ) { index = i; diffmin = diff; } } mHeight = sizes[index].height; mWidth = sizes[index].width; } if (!(face->face_flags & FT_FACE_FLAG_FIXED_WIDTH)) mWidth = MIN(mWidth, (mHeight + 1) / 2); u32 width = 0; Config::instance()->getOption("font-width", width); if (width) { s8 buf[64]; Config::instance()->getOption("font-width", buf, sizeof(buf)); if (buf[0] == '+' || buf[0] == '-') mWidth += (s32)width; else mWidth = width; } u32 height = 0; Config::instance()->getOption("font-height", height); if (height) { s8 buf[64]; Config::instance()->getOption("font-height", buf, sizeof(buf)); if (buf[0] == '+' || buf[0] == '-') mHeight += (s32)height; else mHeight = height; } } Font::~Font() { for (u32 i = 0; i < 256; i++) { if (!glyphCacheInited[i]) continue; for (u32 j = 0; j < 256; j++) { if (glyphCache[i * 256 + j]) { delete[] (u8 *)glyphCache[i * 256 + j]; } } } delete[] glyphCache; delete[] glyphCacheInited; for (u32 i = 0; i < fontList->nfont; i++) { if (fontFaces[i] && fontFaces[i] != (FT_Face)-1) { FT_Done_Face(fontFaces[i]); } } delete[] fontFaces; delete[] fontFlags; FT_Done_FreeType(ftlib); FcCharSetDestroy(unicodeMap); FcFontSetDestroy(fontList); FcFini(); } void Font::showInfo(bool verbose) { if (!verbose) return; printf("[font] width: %dpx, height: %dpx, ordered list: ", mWidth, mHeight); u32 index; FcChar8 *family; for (index = 0; index < fontList->nfont - 1; index++) { FcPatternGetString(fontList->fonts[index], FC_FAMILY, 0, &family); printf("%s, ", family); } FcPatternGetString(fontList->fonts[index], FC_FAMILY, 0, &family); printf("%s\n", family); } static void openFont(u32 index) { if (index >= fontList->nfont) return; FcPattern *pattern = fontList->fonts[index]; FcChar8 *name = (FcChar8 *)""; FcPatternGetString(pattern, FC_FILE, 0, &name); int id = 0; FcPatternGetInteger (pattern, FC_INDEX, 0, &id); FT_Face face; if (FT_New_Face(ftlib, (const char *)name, id, &face)) { fontFaces[index] = (FT_Face)-1; return; } double ysize; FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &ysize); FT_Set_Pixel_Sizes(face, 0, (FT_UInt)ysize); int load_flags = FT_LOAD_DEFAULT; FcBool scalable, antialias; FcPatternGetBool(pattern, FC_SCALABLE, 0, &scalable); FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &antialias); if (scalable && antialias) load_flags |= FT_LOAD_NO_BITMAP; if (antialias) { FcBool hinting; int hint_style; FcPatternGetBool(pattern, FC_HINTING, 0, &hinting); FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &hint_style); if (!hinting || hint_style == FC_HINT_NONE) { load_flags |= FT_LOAD_NO_HINTING; } else { load_flags |= FT_LOAD_TARGET_LIGHT; } } else { load_flags |= FT_LOAD_TARGET_MONO; } fontFaces[index] = face; fontFlags[index] = load_flags; } static int fontIndex(u32 unicode) { if (!FcCharSetHasChar(unicodeMap, unicode)) return -1; FcCharSet *charset; for (u32 i = 0; i < fontList->nfont; i++) { FcPatternGetCharSet(fontList->fonts[i], FC_CHARSET, 0, &charset); if (FcCharSetHasChar(charset, unicode)) return i; } return -1; } Font::Glyph *Font::getGlyph(u32 unicode) { if (unicode >= 256 * 256) return 0; if (!glyphCacheInited[unicode >> 8]) { glyphCacheInited[unicode >> 8] = true; memset(&glyphCache[unicode & 0xff00], 0, sizeof(Glyph *) * 256); } if (glyphCache[unicode]) return glyphCache[unicode]; int i = fontIndex(unicode); if (i == -1) return 0; if (!fontFaces[i]) openFont(i); if (fontFaces[i] == (FT_Face)-1) return 0; FT_Face face = fontFaces[i]; FT_UInt index = FT_Get_Char_Index(face, (FT_ULong)unicode); if (!index) return 0; FT_Load_Glyph(face, index, FT_LOAD_RENDER | fontFlags[i]); FT_Bitmap &bitmap = face->glyph->bitmap; u32 x, y, w, h, nx, ny, nw, nh; x = y = 0; w = nw = bitmap.width; h = nh = bitmap.rows; Screen::instance()->rotateRect(x, y, nw, nh); Glyph *glyph = (Glyph *)new u8[OFFSET(Glyph, pixmap) + nw * nh]; glyph->left = face->glyph->metrics.horiBearingX >> 6; glyph->top = mHeight - 1 + (face->size->metrics.descender >> 6) - (face->glyph->metrics.horiBearingY >> 6); glyph->width = face->glyph->metrics.width >> 6; glyph->height = face->glyph->metrics.height >> 6; glyph->pitch = nw; u8 *buf = bitmap.buffer; for (y = 0; y < h; y++, buf += bitmap.pitch) { for (x = 0; x < w; x++) { nx = x, ny = y; Screen::instance()->rotatePoint(w, h, nx, ny); glyph->pixmap[ny * nw + nx] = (bitmap.pixel_mode == FT_PIXEL_MODE_MONO) ? ((buf[(x >> 3)] & (0x80 >> (x & 7))) ? 0xff : 0) : buf[x]; } } glyphCache[unicode] = glyph; return glyph; } fbterm-1.7/src/font.h000066400000000000000000000024371145700147300145560ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef FONT_H #define FONT_H #include "type.h" #include "instance.h" #define FW(cols) (Font::instance()->width() * (cols)) #define FH(rows) (Font::instance()->height() * (rows)) class Font { DECLARE_INSTANCE(Font) public: struct Glyph { s16 pitch, width, height; s16 left, top; u8 pixmap[0]; }; Glyph *getGlyph(u32 unicode); u32 width() { return mWidth; } u32 height() { return mHeight; } void showInfo(bool verbose); private: u32 mWidth, mHeight; }; #endif fbterm-1.7/src/immessage.h000066400000000000000000000223511145700147300155570ustar00rootroot00000000000000/* * Copyright ? 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /** * FbTerm implements a lightweight client-server input method architecture. Instead of processing user input and drawing input method UI itself, FbTerm acts as a client and requests the input method server to do all these works. Input Method Messages On startup, FbTerm forks a child process and executes the input method server program in it. FbTerm and the input method server will communicate each other with a unix socket pair created by FbTerm. When IM server startup, it sends a Connect message to FbTerm, indicates that the server has got ready. FbTerm response a FbTermInfo message, tell IM server things like current screen size, font size, rotation etc, help IM server draw it's UI. Of course, IM server may ignore these hints. When FbTerm exit, it sends a Disconnect to IM server, indicates it to exit. +------+ +------+ +------+ +------+ |FbTerm| | IM | |FbTerm| | IM | +--.---+ +---.--+ +--.---+ +---.--+ | | | | | | | | | Connect | | Disconnect | |<------------------| |------------------>| | | | | | FbTermInfo | | | |------------------>| | | | | | | | | | | If user presses the input method state switch shortcut (e.g. Ctrl + Space), FbTerm sends a Active message to IM server, and a CursorPosition message with current cursor position. After receiving the Active message, IM server may want to draw it's UI, e.g. a IM status bar, on frame buffer screen. In order to avoid FbTerm corrupting it's UI, IM server first sends a SetWin message, tell FbTerm the screen areas occupied by its status bar, and waits FbTerm to response a AckWin message. Now IM server can begin to draw the status bar. While user pressing Ctrl + Space again, FbTerm sends a Deactive message to IM server. IM server should response a SetWin message with a empty screen area to hide its status bar and ask FbTerm to redraw screen. +------+ +------+ +------+ +------+ |FbTerm| | IM | |FbTerm| | IM | +--.---+ +---.--+ +--.---+ +---.--+ | | | | | | | | | Active | | Deactive | |------------------>| |------------------>| | | | | | CursorPosition | | SetWin | |------------------>| |<------------------| | | | | | SetWin | | AckWin | |<------------------| |------------------>| | | | | | AckWin | | | |------------------>| | | | | | | | | | | When IM state is on, FbTerm doesn't process any keyboard input except its shortcuts and Alt-Fn, it redirects them to IM server with SendKey messages. After receiving SendKey message, IM server may draw it's preedit and candidate UI. As described above, it should first send SetWin messages to tell FbTerm the areas occupied by preedit and candidate UI and wait for responsed AckWin messages before drawing UI. IM server sends the converted texts in a PutText message back to FbTerm, and FbTerm will write them to the running program. In the common case, the running program will change cursor position, FbTerm notifies it to IM server with a CursorPosition message. If IM server provides a XIM "over the spot" style UI, it may response SetWin messages to move and redraw it's UI. +------+ +------+ +------+ +------+ |FbTerm| | IM | |FbTerm| | IM | +--.---+ +---.--+ +--.---+ +---.--+ | | | | | | | | | SendKey | | PutText | |------------------>| |<------------------| | | | | | SetWin | | CursorPosition | |<------------------| |------------------>| | | | | | AckWin | | SetWin | |------------------>| |<------------------| | | | | | | | AckWin | | | |------------------>| | | | | | | | | When IM state is on, user presses shortcuts for switching to other sub-window or Alt-Fn for other virtual console, FbTerm sends a HideUI message to IM server, then waits for a AckHideUI message responsed from IM server before switching. Maybe IM server is busy with the previous SendKey message when HideUI message is arrived, it continues it's work, then processes this HideUI message, sends back a AckHideUI message to FbTerm. When switching back, FbTerm sends a ShowUI message to IM server, indicates IM server to redraw it's UI. +------+ +------+ +------+ +------+ |FbTerm| | IM | |FbTerm| | IM | +--.---+ +---.--+ +--.---+ +---.--+ | | | | | | | | | HideUI | | ShowUI | |------------------>| |------------------>| | | | | | AckHideUI | | SetWin | |<------------------| |<------------------| | | | | | | | AckWin | | | |------------------>| | | | | | | | | | | | | | | | | | | | | */ #ifndef IM_MESSAGE_H #define IM_MESSAGE_H typedef enum { Connect = 0, Disconnect, Active, Deactive, SendKey, PutText, SetWin, AckWin, CursorPosition, FbTermInfo, TermMode, ShowUI, HideUI, AckHideUI, FillRect, DrawText, Ping, AckPing } MessageType; typedef struct { unsigned fontHeight, fontWidth; unsigned screenHeight, screenWidth; } Info; #define NR_IM_WINS 10 typedef struct { unsigned x, y; unsigned w, h; } Rectangle; typedef struct { unsigned short type; ///< message's type, @see MessageType unsigned short len; ///< message's length, including head and body union { char keys[0]; ///< included in message SendKey char texts[0]; ///< included in message PutText char raw; ///< included in message Connect unsigned winid; ///< included in message ShowUI Info info; ///< included in message FbTermInfo struct { Rectangle rect; unsigned winid; } win; ///< included in message SetWin struct { char crWithLf; char applicKeypad; char cursorEscO; } term; ///< included in message TermMode; struct { unsigned x, y; } cursor; ///< included in message CursorPosition struct { Rectangle rect; unsigned char color; } fillRect; ///< included in message FillRect struct { unsigned x, y; unsigned char fc, bc; char texts[0]; } drawText; ///< included in message DrawText }; } Message; #endif fbterm-1.7/src/improxy.cpp000066400000000000000000000237171145700147300156560ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include "improxy.h" #include "immessage.h" #include "fbconfig.h" #include "fbshell.h" #include "fbshellman.h" #include "font.h" #include "screen.h" #include "input.h" #include "fbterm.h" #include #define NR_WIN_MSGS 512 #define MSG_DRAWTEXT_MAX_LEN 10240 #define sw FW(Screen::instance()->cols()) #define sh FH(Screen::instance()->rows()) #define OFFSET(TYPE, MEMBER) ((size_t)(&(((TYPE *)0)->MEMBER))) #define MSG(a) ((Message *)(a)) ImProxy::ImProxy(FbShell *shell) { mShell = shell; mPid = -1; mConnected = false; mActive = false; mMsgWaitState = NoMessageToWait; mValidWinNum = 0; memset(&mWins, 0, sizeof(mWins)); createImProcess(); } ImProxy::~ImProxy() { mShell->ImExited(); if (!mConnected) return; if (FbShellManager::instance()->activeShell() == mShell) { TtyInput::instance()->setRawMode(false); } sendDisconnect(); setFd(-1); extern void waitChildProcessExit(s32 pid); waitChildProcessExit(mPid); Rectangle rect = { 0, 0, 0, 0 }; for (u32 i = 0; i < NR_IM_WINS; i++) { if (mWins[i].w) setImWin(i, rect); } } void ImProxy::createImProcess() { s8 app[128]; Config::instance()->getOption("input-method", app, sizeof(app)); if (!app[0]) return; int fds[2]; if (socketpair(AF_LOCAL, SOCK_STREAM, 0, fds) == -1) return; mPid = fork(); switch (mPid) { case -1: close(fds[0]); close(fds[1]); break; case 0: { FbTerm::instance()->initChildProcess(); close(fds[0]); s8 buf[16]; snprintf(buf, sizeof(buf), "%d", fds[1]); setenv("FBTERM_IM_SOCKET", buf, 1); execlp(app, app, NULL); fprintf(stderr, "can't execute IM program %s!\n", app); exit(1); break; } default: close(fds[1]); setFd(fds[0]); waitImMessage(Connect); break; } } bool ImProxy::actived() { return mActive; } void ImProxy::toggleActive() { if (!mConnected) return; mActive ^= true; TtyInput::instance()->setRawMode(mRawInput && mActive); Message msg; msg.type = (mActive ? Active : Deactive); msg.len = sizeof(msg); write((s8 *)&msg, sizeof(msg)); } void ImProxy::changeCursorPos(u16 col, u16 row) { if (!mConnected || !mActive) return; Message msg; msg.type = CursorPosition; msg.len = sizeof(msg); msg.cursor.x = FW(col); msg.cursor.y = FH(row + 1); write((s8 *)&msg, sizeof(msg)); } void ImProxy::changeTermMode(bool crlf, bool appkey, bool curo) { if (!mConnected || !mActive) return; Message msg; msg.type = TermMode; msg.len = sizeof(msg); msg.term.crWithLf = crlf; msg.term.applicKeypad = appkey; msg.term.cursorEscO = curo; write((s8 *)&msg, sizeof(msg)); } void ImProxy::switchVt(bool enter, ImProxy *peer) { if (!mConnected || !mActive) return; TtyInput::instance()->setRawMode(enter && mRawInput); Message msg; msg.type = (enter ? ShowUI : HideUI); msg.len = sizeof(msg); if (enter) msg.winid = (unsigned)-1; write((s8 *)&msg, sizeof(msg)); if (!enter) { waitImMessage(AckHideUI); Screen::instance()->enableScroll(true); } } void ImProxy::sendKey(s8 *keys, u32 len) { if (!mConnected || !mActive || !keys || !len) return; s8 buf[OFFSET(Message, keys) + len]; MSG(buf)->type = SendKey; MSG(buf)->len = sizeof(buf); memcpy(MSG(buf)->keys, keys, len); write(buf, MSG(buf)->len); } void ImProxy::sendInfo() { Message msg; msg.type = FbTermInfo; msg.len = sizeof(msg); msg.info.fontHeight = FH(1); msg.info.fontWidth = FW(1); msg.info.screenHeight = sh; msg.info.screenWidth = sw; write((s8 *)&msg, sizeof(msg)); } void ImProxy::sendAckWin() { Message msg; msg.type = AckWin; msg.len = sizeof(msg); write((s8 *)&msg, sizeof(msg)); } void ImProxy::sendAckPing() { Message msg; msg.type = AckPing; msg.len = sizeof(msg); write((s8 *)&msg, sizeof(msg)); } void ImProxy::sendDisconnect() { if (!mConnected) return; Message msg; msg.type = Disconnect; msg.len = sizeof(msg); write((s8 *)&msg, sizeof(msg)); } void ImProxy::readyRead(s8 *buf, u32 len) { for (s8 *end = buf + len; buf < end && MSG(buf)->len && MSG(buf)->len <= (end - buf); buf += MSG(buf)->len) { if (mMsgWaitState == WaitingMessage && mMsgWaitType == MSG(buf)->type) mMsgWaitState = GotMessage; if (!mConnected && MSG(buf)->type != Connect) continue; switch (MSG(buf)->type) { case Connect: mConnected = true; mRawInput = MSG(buf)->raw; sendInfo(); break; case PutText: if (MSG(buf)->len > OFFSET(Message, texts)) { mShell->imInput(MSG(buf)->texts, MSG(buf)->len - OFFSET(Message, texts)); } break; case SetWin: if (MSG(buf)->len == sizeof(Message)) { // keep compatibility with v1.5 setImWin(MSG(buf)->win.winid, MSG(buf)->win.rect); } sendAckWin(); break; case FillRect: if (addWinMsg(MSG(buf)) && FbShellManager::instance()->activeShell() == mShell) { doFillRect(MSG(buf)); } break; case DrawText: if (addWinMsg(MSG(buf)) && FbShellManager::instance()->activeShell() == mShell) { doDrawText(MSG(buf)); } break; case Ping: sendAckPing(); break; default: break; } } } typedef enum { Intersect, Inside, Outside } IntersectState; static IntersectState intersectRectangles(const Rectangle &r1, const Rectangle &r2) { if (!r1.w || !r1.h) return Inside; if (!r2.w || !r2.h) return Outside; if (r1.x >= (r2.x + r2.w) || r1.y >= (r2.y + r2.h) || (r1.x + r1.w) <= r2.x || (r1.y + r1.h) <= r2.y) return Outside; if (r1.x >= r2.x && r1.y >= r2.y && (r1.x + r1.w) <= (r2.x + r2.w) && (r1.y + r1.h) <= (r2.y + r2.h)) return Inside; return Intersect; } void ImProxy::redrawImWin(const Rectangle &rect) { for (u32 num = mValidWinNum, i = 0; num && i < NR_IM_WINS; i++) { if (!mWins[i].w || !mWins[i].h) continue; num--; IntersectState state = intersectRectangles(rect, mWins[i]); if (state == Outside) continue; for (MsgList::iterator it = mWinMsgs[i].begin(); it != mWinMsgs[i].end(); it++) { Message *m = *it; if (m->type == FillRect) doFillRect(m); else if (m->type == DrawText) doDrawText(m); } } } void ImProxy::setImWin(u32 id, Rectangle &rect) { if (id >= NR_IM_WINS) return; if (!rect.w || !rect.h || rect.x >= sw || rect.y >= sh) memset(&rect, 0, sizeof(rect)); if (rect.x + rect.w >= sw) rect.w = sw - rect.x; if (rect.y + rect.h >= sh) rect.h = sh - rect.y; bool active = (FbShellManager::instance()->activeShell() == mShell); if (active && intersectRectangles(mWins[id], rect) != Inside) { Rectangle oldrect = mWins[id]; memset(&mWins[id], 0, sizeof(rect)); mValidWinNum--; u32 endx = oldrect.x + oldrect.w, endy = oldrect.y + oldrect.h; u16 col = oldrect.x / FW(1); u16 row = oldrect.y / FH(1); u16 endcol = endx / FW(1); u16 endrow = endy / FH(1); mShell->expose(col, row, endcol - col + 1, endrow - row + 1); } if (!mWins[id].w && rect.w) mValidWinNum++; mWins[id] = rect; if (active) { Screen::instance()->enableScroll(!mValidWinNum); } for (MsgList::iterator it = mWinMsgs[id].begin(); it != mWinMsgs[id].end(); it++) { delete[] (s8 *)(*it); } mWinMsgs[id].clear(); } bool ImProxy::addWinMsg(Message *m) { Rectangle rect = { 0, 0, 1, 1 }; if (m->type == FillRect) rect = m->fillRect.rect; else { if (m->len > MSG_DRAWTEXT_MAX_LEN) return false; rect.x = m->drawText.x; rect.y = m->drawText.y; } for (u32 num = mValidWinNum, i = 0; num && i < NR_IM_WINS; i++) { if (!mWins[i].w || !mWins[i].h) continue; num--; IntersectState state = intersectRectangles(rect, mWins[i]); if (state != Inside) continue; if (mWinMsgs[i].size() >= NR_WIN_MSGS) return false; s8 *buf = new s8[m->len]; memcpy(buf, m, m->len); mWinMsgs[i].push_back((Message *)buf); break; } return true; } void ImProxy::doFillRect(Message *m) { Rectangle &rect = m->fillRect.rect; Screen::instance()->fillRect(rect.x, rect.y, rect.w, rect.h, m->fillRect.color); } static void utf8_to_utf16(u8 *utf8, u16 *utf16, u16 &len) { u8 *end = utf8 + len; len = 0; for (; utf8 < end;) { if ((*utf8 & 0x80) == 0) { utf16[len++] = *utf8; utf8++; } else if ((*utf8 & 0xe0) == 0xc0) { utf16[len++] = ((*utf8 & 0x1f) << 6) | (utf8[1] & 0x3f); utf8 += 2; } else if ((*utf8 & 0xf0) == 0xe0) { utf16[len++] = ((*utf8 & 0xf) << 12) | ((utf8[1] & 0x3f) << 6) | (utf8[2] & 0x3f); utf8 += 3; } else utf8++; } } void ImProxy::doDrawText(Message *m) { if (m->len <= OFFSET(Message, drawText.texts)) return; u16 len = m->len - OFFSET(Message, drawText.texts); u8 *utf8 = (u8 *)(m->drawText.texts); u16 utf16[len]; utf8_to_utf16(utf8, utf16, len); if (!len) return; bool dws[len]; for (u16 i = 0; i < len; i++) { dws[i] = (VTerm::charWidth(utf16[i]) == 2); } Screen::instance()->drawText(m->drawText.x, m->drawText.y, m->drawText.fc, m->drawText.bc, len, utf16, dws); } void ImProxy::waitImMessage(u32 type) { mMsgWaitState = WaitingMessage; mMsgWaitType = type; timeval tv = {2, 0}; while (1) { fd_set fds; FD_ZERO(&fds); FD_SET(fd(), &fds); s32 ret = select(fd() + 1, &fds, 0, 0, &tv); if (ret > 0 && FD_ISSET(fd(), &fds)) ready(true); if ((ret == -1 && errno != EINTR) || !ret || mMsgWaitState == GotMessage) break; }; mMsgWaitState = NoMessageToWait; } void ImProxy::ioError(bool read, s32 err) { if (read && mMsgWaitState == WaitingMessage) mMsgWaitState = GotMessage; } fbterm-1.7/src/improxy.h000066400000000000000000000036651145700147300153230ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef IM_PROXY_H #define IM_PROXY_H #include #include "io.h" #include "immessage.h" class FbShell; class ImProxy: public IoPipe { public: ImProxy(FbShell *shell); ~ImProxy(); s32 imProcessId() { return mPid; } bool actived(); void toggleActive(); void sendKey(s8 *buf, u32 len); void changeCursorPos(u16 col, u16 row); void changeTermMode(bool crlf, bool appkey, bool curo); void switchVt(bool enter, ImProxy *peer); void redrawImWin(const Rectangle &rect); private: virtual void readyRead(s8 *buf, u32 len); virtual void ioError(bool read, s32 err); void createImProcess(); void waitImMessage(u32 type); void sendInfo(); void sendAckWin(); void sendAckPing(); void sendDisconnect(); void setImWin(u32 winid, Rectangle &rect); bool addWinMsg(Message *m); void doFillRect(Message *m); void doDrawText(Message *m); FbShell *mShell; s32 mPid; bool mConnected; bool mActive; bool mRawInput; enum {NoMessageToWait, WaitingMessage, GotMessage} mMsgWaitState; u32 mMsgWaitType; u32 mValidWinNum; typedef std::list MsgList; MsgList mWinMsgs[NR_IM_WINS]; Rectangle mWins[NR_IM_WINS]; }; #endif fbterm-1.7/src/input.cpp000066400000000000000000000170121145700147300152750ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include #include #include "input.h" #include "input_key.h" #include "fbshell.h" #include "fbshellman.h" #include "fbterm.h" #include "improxy.h" #include "fbconfig.h" static termios oldTm; static long oldKbMode; static bool keymapFailure = false; static bool inited = false; DEFINE_INSTANCE(TtyInput) TtyInput *TtyInput::createInstance() { s8 buf[64]; if (ttyname_r(STDIN_FILENO, buf, sizeof(buf))) { fprintf(stderr, "stdin isn't a tty!\n"); return 0; } if (!strstr(buf, "/dev/tty") && !strstr(buf, "/dev/vc")) { fprintf(stderr, "stdin isn't a interactive tty!\n"); return 0; } return new TtyInput(); } TtyInput::TtyInput() { setFd(dup(STDIN_FILENO)); } TtyInput::~TtyInput() { if (!inited) return; setupSysKey(true); ioctl(STDIN_FILENO, KDSKBMODE, oldKbMode); tcsetattr(STDIN_FILENO, TCSAFLUSH, &oldTm); } void TtyInput::showInfo(bool verbose) { if (keymapFailure) { printf("[input] can't change kernel keymap table, all shortcuts will NOT work! see SECURITY NOTES section of man page for solution.\n"); } } void TtyInput::switchVc(bool enter) { setupSysKey(!enter); if (!enter || inited) return; inited = true; tcgetattr(STDIN_FILENO, &oldTm); ioctl(STDIN_FILENO, KDGKBMODE, &oldKbMode); setRawMode(false, true); termios tm = oldTm; cfmakeraw(&tm); tm.c_cc[VMIN] = 1; tm.c_cc[VTIME] = 0; tcsetattr(STDIN_FILENO, TCSAFLUSH, &tm); } void TtyInput::setupSysKey(bool restore) { #define T_SHIFT (1 << KG_SHIFT) #define T_CTRL (1 << KG_CTRL) #define T_CTRL_ALT ((1 << KG_CTRL) + (1 << KG_ALT)) static bool syskey_saved = false; static struct KeyEntry { u8 table; u8 keycode; u16 new_val; u16 old_val; } sysKeyTable[] = { {T_SHIFT, KEY_PAGEUP, SHIFT_PAGEUP}, {T_SHIFT, KEY_PAGEDOWN, SHIFT_PAGEDOWN}, {T_SHIFT, KEY_LEFT, SHIFT_LEFT}, {T_SHIFT, KEY_RIGHT, SHIFT_RIGHT}, {T_CTRL, KEY_SPACE, CTRL_SPACE}, {T_CTRL_ALT, KEY_1, CTRL_ALT_1}, {T_CTRL_ALT, KEY_2, CTRL_ALT_2}, {T_CTRL_ALT, KEY_3, CTRL_ALT_3}, {T_CTRL_ALT, KEY_4, CTRL_ALT_4}, {T_CTRL_ALT, KEY_5, CTRL_ALT_5}, {T_CTRL_ALT, KEY_6, CTRL_ALT_6}, {T_CTRL_ALT, KEY_7, CTRL_ALT_7}, {T_CTRL_ALT, KEY_8, CTRL_ALT_8}, {T_CTRL_ALT, KEY_9, CTRL_ALT_9}, {T_CTRL_ALT, KEY_0, CTRL_ALT_0}, {T_CTRL_ALT, KEY_C, CTRL_ALT_C}, {T_CTRL_ALT, KEY_D, CTRL_ALT_D}, {T_CTRL_ALT, KEY_E, CTRL_ALT_E}, {T_CTRL_ALT, KEY_F1, CTRL_ALT_F1}, {T_CTRL_ALT, KEY_F2, CTRL_ALT_F2}, {T_CTRL_ALT, KEY_F3, CTRL_ALT_F3}, {T_CTRL_ALT, KEY_F4, CTRL_ALT_F4}, {T_CTRL_ALT, KEY_F5, CTRL_ALT_F5}, {T_CTRL_ALT, KEY_F6, CTRL_ALT_F6}, {T_CTRL_ALT, KEY_K, CTRL_ALT_K}, }; if (!syskey_saved && restore) return; seteuid(0); s8 imapp[128]; Config::instance()->getOption("input-method", imapp, sizeof(imapp)); for (u32 i = 0; i < sizeof(sysKeyTable) / sizeof(KeyEntry); i++) { if (!imapp[0] && (sysKeyTable[i].new_val == CTRL_SPACE || sysKeyTable[i].new_val == CTRL_ALT_K)) continue; kbentry entry; entry.kb_table = sysKeyTable[i].table; entry.kb_index = sysKeyTable[i].keycode; if (!syskey_saved) { ioctl(STDIN_FILENO, KDGKBENT, &entry); sysKeyTable[i].old_val = entry.kb_value; } entry.kb_value = (restore ? sysKeyTable[i].old_val : sysKeyTable[i].new_val); s32 ret = ioctl(STDIN_FILENO, KDSKBENT, &entry); //should have perm CAP_SYS_TTY_CONFIG if (!keymapFailure && ret == -1) keymapFailure = true; } if (!syskey_saved && !restore) syskey_saved = true; seteuid(getuid()); } void TtyInput::readyRead(s8 *buf, u32 len) { if (mRawMode) { processRawKeys(buf, len); return; } FbShell *shell = FbShellManager::instance()->activeShell(); u32 start = 0; for (u32 i = 0; i < len; i++) { u32 orig = i; u16 c = (u8)buf[i]; if ((c >> 5) == 0x6 && i < (len - 1) && (((u8)buf[++i]) >> 6) == 0x2) { c = ((c & 0x1f) << 6) | (buf[i] & 0x3f); if (c < AC_START || c > AC_END) continue; if (shell && orig > start) shell->keyInput(buf + start, orig - start); start = i + 1; FbTerm::instance()->processSysKey(c); } } if (shell && len > start) shell->keyInput(buf + start, len - start); } static u16 down_num; static bool key_down[NR_KEYS]; static u8 shift_down[NR_SHIFT]; static u16 shift_state; void TtyInput::setRawMode(bool raw, bool force) { if (!force && raw == mRawMode) return; mRawMode = raw; ioctl(STDIN_FILENO, KDSKBMODE, mRawMode ? K_MEDIUMRAW : K_UNICODE); if (mRawMode) { down_num = 0; shift_state = 0; memset(key_down, 0, sizeof(bool) * NR_KEYS); memset(shift_down, 0, sizeof(char) * NR_SHIFT); } else { if (!down_num) return; FbShell *shell = FbShellManager::instance()->activeShell(); if (!shell) return; u32 num = down_num; for (u32 i = 0; i < NR_KEYS; i++) { if (!key_down[i]) continue; s8 code = i | 0x80; shell->keyInput(&code, 1); if (!--num) break; } } } void TtyInput::processRawKeys(s8 *buf, u32 len) { FbShell *shell = FbShellManager::instance()->activeShell(); u32 start = 0; for (u32 i = 0; i < len; i++) { bool down = !(buf[i] & 0x80); u16 code = buf[i] & 0x7f; u32 orig = i; if (!code) { if (i + 2 >= len) break; code = (buf[++i] & 0x7f) << 7; code |= buf[++i] & 0x7f; if (!(buf[i] & 0x80) || !(buf[i - 1] & 0x80)) continue; } if (code >= NR_KEYS) continue; if (down ^ key_down[code]) { if (down) down_num++; else down_num--; } else if (!down) { if (shell && orig > start) shell->keyInput(buf + start, orig - start); start = i + 1; } bool rep = (down && key_down[code]); key_down[code] = down; struct kbentry ke; ke.kb_table = shift_state; ke.kb_index = code; if (ioctl(STDIN_FILENO, KDGKBENT, &ke) == -1) continue; u16 value = KVAL(ke.kb_value); u16 syskey = 0, switchvc = 0; switch (KTYP(ke.kb_value)) { case KT_LATIN: if (value >= AC_START && value <= AC_END) syskey = value; break; case KT_CONS: switchvc = value + 1; break; case KT_SHIFT: if (rep || value >= NR_SHIFT) break; if (value == KVAL(K_CAPSSHIFT)) value = KVAL(K_SHIFT); if (down) shift_down[value]++; else if (shift_down[value]) shift_down[value]--; if (shift_down[value]) shift_state |= (1 << value); else shift_state &= ~(1 << value); break; default: break; } if (down && (syskey || switchvc)) { if (shell && i >= start) shell->keyInput(buf + start, i - start + 1); start = i + 1; if (syskey) { FbTerm::instance()->processSysKey(syskey); } else { ioctl(STDIN_FILENO, VT_ACTIVATE, switchvc); } } } if (shell && len > start) shell->keyInput(buf + start, len - start); } fbterm-1.7/src/input.h000066400000000000000000000023131145700147300147400ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef INPUT_H #define INPUT_H #include "io.h" #include "instance.h" class TtyInput : public IoPipe { DECLARE_INSTANCE(TtyInput) public: void switchVc(bool enter); void setRawMode(bool raw, bool force = false); void showInfo(bool verbose); private: virtual void readyRead(s8 *buf, u32 len); void setupSysKey(bool restore); void processRawKeys(s8* buf, u32 len); bool mRawMode; }; #endif fbterm-1.7/src/input_key.h000066400000000000000000000024501145700147300156120ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef INPUT_KEY_H #define INPUT_KEY_H #include enum Keys { AC_START = K(KT_LATIN, 0x80), SHIFT_PAGEUP = AC_START, SHIFT_PAGEDOWN, SHIFT_LEFT, SHIFT_RIGHT, CTRL_SPACE, CTRL_ALT_1, CTRL_ALT_2, CTRL_ALT_3, CTRL_ALT_4, CTRL_ALT_5, CTRL_ALT_6, CTRL_ALT_7, CTRL_ALT_8, CTRL_ALT_9, CTRL_ALT_0, CTRL_ALT_C, CTRL_ALT_D, CTRL_ALT_E, CTRL_ALT_F1, CTRL_ALT_F2, CTRL_ALT_F3, CTRL_ALT_F4, CTRL_ALT_F5, CTRL_ALT_F6, CTRL_ALT_K, AC_END = CTRL_ALT_K }; #endif fbterm-1.7/src/lib/000077500000000000000000000000001145700147300141775ustar00rootroot00000000000000fbterm-1.7/src/lib/Makefile.am000066400000000000000000000003431145700147300162330ustar00rootroot00000000000000noinst_LIBRARIES = libshell.a libshell_a_SOURCES = io.cpp io.h shell.cpp shell.h 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even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include "vterm.h" static u16 translations[][256] = { /* 8-bit Latin-1 mapped to Unicode -- trivial mapping */ { 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 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0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510, 0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f, 0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567, 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256b, 0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258c, 0x2590, 0x2580, 0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x00b5, 0x03c4, 0x03a6, 0x0398, 0x03a9, 0x03b4, 0x221e, 0x03c6, 0x03b5, 0x2229, 0x2261, 0x00b1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00f7, 0x2248, 0x00b0, 0x2219, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x25a0, 0x00a0 }, /* User mapping -- default to codes for direct font mapping */ { 0xf000, 0xf001, 0xf002, 0xf003, 0xf004, 0xf005, 0xf006, 0xf007, 0xf008, 0xf009, 0xf00a, 0xf00b, 0xf00c, 0xf00d, 0xf00e, 0xf00f, 0xf010, 0xf011, 0xf012, 0xf013, 0xf014, 0xf015, 0xf016, 0xf017, 0xf018, 0xf019, 0xf01a, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f, 0xf020, 0xf021, 0xf022, 0xf023, 0xf024, 0xf025, 0xf026, 0xf027, 0xf028, 0xf029, 0xf02a, 0xf02b, 0xf02c, 0xf02d, 0xf02e, 0xf02f, 0xf030, 0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037, 0xf038, 0xf039, 0xf03a, 0xf03b, 0xf03c, 0xf03d, 0xf03e, 0xf03f, 0xf040, 0xf041, 0xf042, 0xf043, 0xf044, 0xf045, 0xf046, 0xf047, 0xf048, 0xf049, 0xf04a, 0xf04b, 0xf04c, 0xf04d, 0xf04e, 0xf04f, 0xf050, 0xf051, 0xf052, 0xf053, 0xf054, 0xf055, 0xf056, 0xf057, 0xf058, 0xf059, 0xf05a, 0xf05b, 0xf05c, 0xf05d, 0xf05e, 0xf05f, 0xf060, 0xf061, 0xf062, 0xf063, 0xf064, 0xf065, 0xf066, 0xf067, 0xf068, 0xf069, 0xf06a, 0xf06b, 0xf06c, 0xf06d, 0xf06e, 0xf06f, 0xf070, 0xf071, 0xf072, 0xf073, 0xf074, 0xf075, 0xf076, 0xf077, 0xf078, 0xf079, 0xf07a, 0xf07b, 0xf07c, 0xf07d, 0xf07e, 0xf07f, 0xf080, 0xf081, 0xf082, 0xf083, 0xf084, 0xf085, 0xf086, 0xf087, 0xf088, 0xf089, 0xf08a, 0xf08b, 0xf08c, 0xf08d, 0xf08e, 0xf08f, 0xf090, 0xf091, 0xf092, 0xf093, 0xf094, 0xf095, 0xf096, 0xf097, 0xf098, 0xf099, 0xf09a, 0xf09b, 0xf09c, 0xf09d, 0xf09e, 0xf09f, 0xf0a0, 0xf0a1, 0xf0a2, 0xf0a3, 0xf0a4, 0xf0a5, 0xf0a6, 0xf0a7, 0xf0a8, 0xf0a9, 0xf0aa, 0xf0ab, 0xf0ac, 0xf0ad, 0xf0ae, 0xf0af, 0xf0b0, 0xf0b1, 0xf0b2, 0xf0b3, 0xf0b4, 0xf0b5, 0xf0b6, 0xf0b7, 0xf0b8, 0xf0b9, 0xf0ba, 0xf0bb, 0xf0bc, 0xf0bd, 0xf0be, 0xf0bf, 0xf0c0, 0xf0c1, 0xf0c2, 0xf0c3, 0xf0c4, 0xf0c5, 0xf0c6, 0xf0c7, 0xf0c8, 0xf0c9, 0xf0ca, 0xf0cb, 0xf0cc, 0xf0cd, 0xf0ce, 0xf0cf, 0xf0d0, 0xf0d1, 0xf0d2, 0xf0d3, 0xf0d4, 0xf0d5, 0xf0d6, 0xf0d7, 0xf0d8, 0xf0d9, 0xf0da, 0xf0db, 0xf0dc, 0xf0dd, 0xf0de, 0xf0df, 0xf0e0, 0xf0e1, 0xf0e2, 0xf0e3, 0xf0e4, 0xf0e5, 0xf0e6, 0xf0e7, 0xf0e8, 0xf0e9, 0xf0ea, 0xf0eb, 0xf0ec, 0xf0ed, 0xf0ee, 0xf0ef, 0xf0f0, 0xf0f1, 0xf0f2, 0xf0f3, 0xf0f4, 0xf0f5, 0xf0f6, 0xf0f7, 0xf0f8, 0xf0f9, 0xf0fa, 0xf0fb, 0xf0fc, 0xf0fd, 0xf0fe, 0xf0ff } }; u32 VTerm::translate_char(u32 c) { if (c >= 256) return c; return translations[charset][c]; } fbterm-1.7/src/lib/instance.h000066400000000000000000000031171145700147300161560ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef INSTANCE_H #define INSTANCE_H #define DECLARE_INSTANCE(classname) \ public: \ static classname *instance(); \ static void uninstance(); \ protected: \ classname(); \ virtual ~classname(); \ private: \ static classname *createInstance(); \ static classname *mp##classname; #define DEFINE_INSTANCE(classname) \ classname *classname::mp##classname = 0; \ \ classname *classname::instance() \ { \ if (!mp##classname) { \ mp##classname = createInstance(); \ } \ \ return mp##classname; \ } \ \ void classname::uninstance() \ { \ if (mp##classname) { \ delete mp##classname; \ mp##classname = 0; \ } \ } #define DEFINE_INSTANCE_DEFAULT(classname) \ DEFINE_INSTANCE(classname) \ \ classname *classname::createInstance() \ { \ return new classname(); \ } #endif fbterm-1.7/src/lib/io.cpp000066400000000000000000000112361145700147300153150ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include #include #include "io.h" DEFINE_INSTANCE(IoDispatcher) IoDispatcher::IoDispatcher() { } IoDispatcher::~IoDispatcher() { } const s8 *IoPipe::localCodec() { static s8 local_codec[32]; if (!local_codec[0]) { // The output character set of gettext is, by default, the value of nl_langinfo(CODESET), // which depends on the LC_CTYPE part of the current locale. setlocale(LC_CTYPE, ""); s8 *locale = setlocale(LC_CTYPE, ""); if (!locale || !strcmp(locale, "C")) { strcpy(local_codec, "UTF-8"); } else { strncpy(local_codec, nl_langinfo(CODESET), sizeof(local_codec) - 1); } } return local_codec; } IoPipe::IoPipe() { mFd = -1; mCodecRead = 0; mCodecWrite = 0; mBufLenRead = 0; mBufLenWrite = 0; } IoPipe::~IoPipe() { if (mFd != -1) { IoDispatcher::instance()->removeIoSource(this, true); close(mFd); } if (mCodecRead) { iconv_close((iconv_t)mCodecRead); } if (mCodecWrite) { iconv_close((iconv_t)mCodecWrite); } } void IoPipe::setFd(s32 fd) { if (fd == mFd) return; if (mFd != -1) { IoDispatcher::instance()->removeIoSource(this, true); close(mFd); } mFd = fd; if (mFd != -1) { fcntl(mFd, F_SETFD, fcntl(mFd, F_GETFD) | FD_CLOEXEC); fcntl(mFd, F_SETFL, fcntl(mFd, F_GETFL) | O_NONBLOCK); IoDispatcher::instance()->addIoSource(this, true); } } void IoPipe::setCodec(const s8 *up, const s8 *down) { if (!up || !down) return; if (mCodecRead) { iconv_close((iconv_t)mCodecRead); mCodecRead = 0; } if (mCodecWrite) { iconv_close((iconv_t)mCodecWrite); mCodecWrite = 0; } if (!strcasecmp(up, down)) return; mCodecRead = iconv_open(up, down); if (mCodecRead == (void*)-1) mCodecRead = 0; mCodecWrite = iconv_open(down, up); if (mCodecWrite == (void*)-1) mCodecWrite = 0; } #define BUF_SIZE 10240 void IoPipe::ready(bool isread) { if (!isread) return; s8 buf[BUF_SIZE]; s32 len = read(mFd, buf + mBufLenRead, sizeof(buf) - mBufLenRead); if (!len) { ioError(true, 0); // end of file } else if (len == -1) { if (errno != EAGAIN && errno != EINTR) { ioError(true, errno); } } else if (len > 0) { if (mBufLenRead) { memcpy(buf, mBufRead, mBufLenRead); len += mBufLenRead; mBufLenRead = 0; } translate(true, buf, len); } } void IoPipe::write(s8 *buf, u32 len) { translate(false, buf, len); } void IoPipe::translate(bool isread, s8 *buf, u32 len) { if (!buf || !len) return; s8 *bufleft; u32 *buflen; iconv_t codec; if (isread) { bufleft = mBufRead; buflen = &mBufLenRead; codec = (iconv_t)mCodecRead; } else { bufleft = mBufWrite; buflen = &mBufLenWrite; codec = (iconv_t)mCodecWrite; } if (!codec) { if (isread) { readyRead(buf, len); } else { writeIo(buf, len); } return; } u32 outlen = BUF_SIZE; s8 outbuf[outlen]; size_t nconv, left, total = len; s8 *outptr, *inptr = buf; while (total) { outptr = outbuf; left = outlen; nconv = iconv(codec, &inptr, &total, &outptr, &left); if (left < outlen) { if (isread) { readyRead(outbuf, outlen - left); } else { writeIo(outbuf, outlen - left); } } if ((ssize_t)nconv == -1) { if (errno == EILSEQ) { s8 c = '?'; if (isread) { readyRead(&c, 1); } else { writeIo(&c, 1); } inptr++; total--; } else if (errno == EINVAL) { memcpy(bufleft, inptr, total); *buflen = total; total = 0; } } } } void IoPipe::writeIo(s8 *buf, u32 len) { u32 num = 5; while (len) { s32 ret = ::write(mFd, buf, len); if (ret == -1) { if (errno == EAGAIN) { if (num--) { timespec tm = { 0, 200 * 1000000UL }; nanosleep(&tm, 0); } else break; } else { if (errno != EINTR) { ioError(false, errno); } break; } } else if (ret > 0) { buf += ret; len -= ret; } } } fbterm-1.7/src/lib/io.h000066400000000000000000000031661145700147300147650ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef IO_H #define IO_H #include "type.h" #include "instance.h" class IoPipe { public: IoPipe(); virtual ~IoPipe(); s32 fd() { return mFd; } void ready(bool isread); static const s8 *localCodec(); protected: void setFd(s32 fd); void setCodec(const s8 *up, const s8 *down); void write(s8 *buf, u32 len); virtual void readyRead(s8 *buf, u32 len) = 0; virtual void ioError(bool read, s32 err) {} private: void translate(bool isread, s8 *buf, u32 len); void writeIo(s8 *buf, u32 len); s32 mFd; void *mCodecRead, *mCodecWrite; s8 mBufRead[16], mBufWrite[16]; u32 mBufLenRead, mBufLenWrite; }; class IoDispatcher { DECLARE_INSTANCE(IoDispatcher) private: virtual void addIoSource(IoPipe *src, bool isread) = 0; virtual void removeIoSource(IoPipe *src, bool isread) = 0; friend class IoPipe; }; #endif fbterm-1.7/src/lib/shell.cpp000066400000000000000000000205631145700147300160200ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include "shell.h" void waitChildProcessExit(s32 pid) { if (pid < 0) return; kill(pid, SIGTERM); sched_yield(); s32 ret = waitpid(pid, 0, WNOHANG); if (ret > 0 || (ret == -1 && errno == ECHILD)) return; for (u32 i = 5; i--;) { usleep(100 * 1000); ret = waitpid(pid, 0, WNOHANG); if (ret > 0) break; } if (ret <= 0) { kill(pid, SIGKILL); waitpid(pid, 0, 0); } } Shell::SelectedText Shell::mSelText; Shell::Shell() { mPid = -1; } Shell::~Shell() { setFd(-1); waitChildProcessExit(mPid); } void Shell::createShellProcess(s8 **command) { s32 fd; mPid = forkpty(&fd, NULL, NULL, NULL); switch (mPid) { case -1: break; case 0: // child process initShellProcess(); setenv("TERM", "linux", 1); if (command) { execvp(command[0], command); } else { s8 *shell = getenv("SHELL"); if (shell) execlp(shell, shell, NULL); struct passwd *userpd = getpwuid(getuid()); execlp(userpd->pw_shell, userpd->pw_shell, NULL); execlp("/bin/sh", "/bin/sh", NULL); } exit(1); break; default: setFd(fd); setCodec("UTF-8", localCodec()); resize(w(), h()); break; } } void Shell::readyRead(s8 *buf, u32 len) { resetTextSelect(); input((const u8 *)buf, len); } void Shell::sendBack(const s8 *data) { write((s8*)data, strlen(data)); } void Shell::resize(u16 w, u16 h) { if (!w || !h) return; resetTextSelect(); VTerm::resize(w, h); struct winsize size; size.ws_xpixel = 0; size.ws_ypixel = 0; size.ws_col = w; size.ws_row = h; ioctl(fd(), TIOCSWINSZ, &size); } void Shell::keyInput(s8 *buf, u32 len) { resetTextSelect(); write(buf, len); } void Shell::mouseInput(u16 x, u16 y, s32 type, s32 buttons) { if (x >= w()) x = w() - 1; if (y >= h()) y = h() - 1; s32 btn = buttons & MouseButtonMask; s32 modifies = buttons & ModifyButtonMask; u16 rtype = mode(MouseReport); if (btn && rtype != Wheel && (rtype == MouseNone || (modifies & ShiftButton))) { textSelect(x, y, type, btn); return; } if (rtype == MouseNone) return; s32 val = -1; switch (type) { case Press: case DblClick: if (btn & LeftButton) val = 0; else if (btn & MidButton) val = 1; else if (btn & RightButton) val = 2; break; case Release: if (rtype == MouseX11) val = 3; break; case Wheel: if (rtype == MouseX11) { val = 64; if (btn & WheelDown) val |= 1; } break; default: break; } if (rtype == MouseX11 && val != -1) { if (modifies & ShiftButton) val |= 4; if (modifies & AltButton) val |= 8; if (modifies & ControlButton) val |= 16; } if (val != -1) { s8 buf[8]; snprintf(buf, sizeof(buf), "\e[M%c%c%c", ' ' + val, ' ' + x + 1, ' ' + y + 1); sendBack(buf); } } void Shell::textSelect(u16 x, u16 y, s32 type, s32 btn) { if (btn == LeftButton) { switch (type) { case Press: resetTextSelect(); mSelState.selecting = true; startTextSelect(x, y); break; case Move: if (mSelState.selecting) { middleTextSelect(x, y); } else { resetTextSelect(); mSelState.selecting = true; startTextSelect(x, y); } break; case Release: mSelState.selecting = false; endTextSelect(); break; case DblClick: resetTextSelect(); autoTextSelect(x, y); break; default: break; } } else if (btn == RightButton) { if (type == Press || type == DblClick) { resetTextSelect(); putSelectedText(); } } } void Shell::startTextSelect(u16 x, u16 y) { mSelState.start = mSelState.end = y * w() + x; inverseTextColor(mSelState.start, mSelState.end); mSelState.color_inversed = true; } void Shell::middleTextSelect(u16 x, u16 y) { u32 start = mSelState.start, end = mSelState.end; u32 new_end = y * w() + x; bool dir_sel = (end >= start); bool dir_new_sel = (new_end >= start); mSelState.end = new_end; if (dir_sel == dir_new_sel) { bool dir_change = (new_end > end); u32 &pos = (dir_sel == dir_change) ? end : new_end; CharAttr attr = charAttr(pos % w(), pos / w()); if (dir_sel) { if (attr.type == CharAttr::DoubleLeft) pos++; pos++; } else { if (attr.type == CharAttr::DoubleRight) pos--; pos--; } bool dir_new_change = (new_end == end) ? dir_change : (new_end > end); if (dir_change == dir_new_change) { inverseTextColor(end, new_end); } } else { inverseTextColor(start, end); inverseTextColor(start, new_end); } } static void utf16_to_utf8(u16 *buf16, u32 num, s8 *buf8) { u16 code; u32 index = 0; for (; num--; buf16++) { code = *buf16; if (code >> 11) { buf8[index++] = 0xe0 | (code >> 12); buf8[index++] = 0x80 | ((code >> 6) & 0x3f); buf8[index++] = 0x80 | (code & 0x3f); } else if (code >> 7) { buf8[index++] = 0xc0 | ((code >> 6) & 0x1f); buf8[index++] = 0x80 | (code & 0x3f); } else { buf8[index++] = code; } } buf8[index] = 0; } #define SWAP(a, b) do { \ if (a > b) { \ u32 tmp = a; \ a = b; \ b = tmp; \ } \ } while (0) void Shell::endTextSelect() { u32 start = mSelState.start, end = mSelState.end; SWAP(start, end); u32 len = end - start + 1; u16 buf[len]; s8 *text = new s8[len * 3]; u16 sx, sy, ex, ey; sx = start % w(), sy = start / w(); ex = end % w(), ey = end / w(); u32 index = 0; for (u16 y = sy; y <= ey; y++) { u16 x = (y == sy ? sx : 0); u16 end = (y == ey ? ex : (w() -1)); for (; x <= end; x++) { buf[index++] = charCode(x, y); if (charAttr(x, y).type == CharAttr::DoubleLeft) x++; } } utf16_to_utf8(buf, index, text); mSelText.setText(text); } void Shell::resetTextSelect() { mSelState.selecting = false; if (mSelState.color_inversed) { mSelState.color_inversed = false; inverseTextColor(mSelState.start, mSelState.end); } } void Shell::autoTextSelect(u16 x, u16 y) { static u32 inwordLut[8] = { 0x00000000, 0x03FF0000, /* digits */ 0x07FFFFFE, /* uppercase */ 0x07FFFFFE, /* lowercase */ 0x00000000, 0x00000000, 0xFF7FFFFF, /* latin-1 accented letters, not multiplication sign */ 0xFF7FFFFF /* latin-1 accented letters, not division sign */ }; static bool inited = false; if (!inited) { inited = true; u8 chrs[32]; initWordChars((s8*)chrs, sizeof(chrs)); for (u32 i = 0; chrs[i]; i++) { if (chrs[i] > 0x7f || chrs[i] <= ' ') continue; inwordLut[chrs[i] >> 5] |= 1 << (chrs[i] & 0x1f); } } #define inword(c) ((c) > 0xff || (( inwordLut[(c) >> 5] >> ((c) & 0x1f) ) & 1)) u16 code = charCode(x, y); bool inw = inword(code); bool found = false; u16 sx = x; while (sx) { if (inw ^ inword(code)) { found = true; break; } code = charCode(--sx, y); } if (found) sx++; code = charCode(x, y); inw = inword(code); found = false; u16 ex = x; while (ex != w() -1) { if (inw ^ inword(code)) { found = true; break; } code = charCode(++ex, y); } if (found) ex--; mSelState.start = y * w() + sx; mSelState.end = y * w() + ex; inverseTextColor(mSelState.start, mSelState.end); mSelState.color_inversed = true; } void Shell::putSelectedText() { if (mSelText.text) { sendBack(mSelText.text); } } void Shell::inverseTextColor(u32 start, u32 end) { SWAP(start, end); u16 sx, sy, ex, ey; sx = start % w(), sy = start / w(); ex = end % w(), ey = end / w(); inverse(sx, sy, ex, ey); if (charAttr(sx, sy).type == CharAttr::DoubleRight) sx--; if (charAttr(ex, ey).type == CharAttr::DoubleLeft) ex++; requestUpdate(sx, sy, (sy == ey ? (ex + 1) : w()) - sx, 1); if (ey > sy + 1) { requestUpdate(0, sy + 1, w(), ey - sy - 1); } if (ey > sy) { requestUpdate(0, ey, ex + 1, 1); } } fbterm-1.7/src/lib/shell.h000066400000000000000000000045141145700147300154630ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef SHELL_H #define SHELL_H #include "io.h" #include "vterm.h" enum MouseType { Press = 0, Release, DblClick, Move, Wheel }; enum ButtonState { NoButton = 0x0000, LeftButton = 0x0001, RightButton = 0x0002, MidButton = 0x0004, WheelDown = 0x0008, WheelUp = 0x0010, MouseButtonMask = 0x00ff, ShiftButton = 0x0100, ControlButton = 0x0200, AltButton = 0x0400, ModifyButtonMask = 0x0700 }; class Shell : public IoPipe, public VTerm { public: void keyInput(s8 *buf, u32 len); void mouseInput(u16 x, u16 y, s32 type, s32 buttons); protected: Shell(); ~Shell(); void resize(u16 w, u16 h); void createShellProcess(s8 **command); s32 shellProcessId() { return mPid; } virtual void initShellProcess() {} virtual void readyRead(s8 *buf, u32 len); private: static void initWordChars(s8 *buf, u32 len); virtual void sendBack(const s8 *data); void textSelect(u16 x, u16 y, s32 type, s32 buttons); void startTextSelect(u16 x, u16 y); void middleTextSelect(u16 x, u16 y); void endTextSelect(); void resetTextSelect(); void autoTextSelect(u16 x, u16 y); void putSelectedText(); void inverseTextColor(u32 start, u32 end); s32 mPid; static struct SelectedText { SelectedText() { text = 0; } ~SelectedText() { if (text) delete[] text; } void setText(s8 *_text) { if (text) delete[] text; text = _text; } s8 *text; } mSelText; struct TextSelection { TextSelection() { selecting = color_inversed = false; } u32 start, end; bool selecting; bool color_inversed; } mSelState; }; #endif fbterm-1.7/src/lib/type.h000066400000000000000000000020361145700147300153320ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef TYPE_H #define TYPE_H typedef char s8; typedef short s16; typedef int s32; typedef long long s64; typedef unsigned char u8; typedef unsigned short u16; typedef unsigned int u32; typedef unsigned long long u64; #endif fbterm-1.7/src/lib/vterm.cpp000066400000000000000000000476051145700147300160540ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * based on GTerm by Timothy Miller * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include "vterm.h" #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define MAX(a, b) ((a) > (b) ? (a) : (b)) VTerm::CharAttr VTerm::default_char_attr = { 0, 0, 1, 0, 0, 0, 0, VTerm::CharAttr::Single }; VTerm::CharAttr VTerm::normal_char_attr() { CharAttr a(char_attr); if (a.underline && cur_underline_color != -1) { a.underline = false; a.fcolor = cur_underline_color; } if (a.intensity == 0 && cur_halfbright_color != -1) { a.intensity = 1; a.fcolor = cur_halfbright_color; } return a; } VTerm::CharAttr VTerm::erase_char_attr() { CharAttr a(default_char_attr); a.fcolor = char_attr.fcolor; a.bcolor = char_attr.bcolor; a.blink = char_attr.blink; return a; } VTerm::ModeFlag::ModeFlag() { memset(this, 0, sizeof(ModeFlag)); auto_wrap = true; cursor_visible = true; autorepeat_key = true; } u16 VTerm::history_lines; u8 VTerm::control_map[MAX_CONTROL_CODE], VTerm::escape_map[NR_STATES][MAX_ESCAPE_CODE]; void VTerm::init_state() { for (u8 i = 1; control_sequences[i].code != (u16)-1; i++) { control_map[control_sequences[i].code] = i; } u8 state = ESnormal; for (u8 i = 1; ; i++) { if (escape_sequences[i].code == (u16)-1) { state++; if (state == NR_STATES) break; } else { u8 start = escape_sequences[i].code & 0xff; for (u8 j = 0; j <= escape_sequences[i].code >> 8; j++) { escape_map[state][start + j] = i; } } } } VTerm::VTerm(u16 w, u16 h) { static bool inited = false; if (!inited) { inited = true; init_state(); history_lines = init_history_lines(); default_char_attr.fcolor = init_default_color(true); default_char_attr.bcolor = init_default_color(false); ambiguous_wide = init_ambiguous_wide(); } text = 0; attrs = 0; tab_stops = 0; linenumbers = 0; dirty_startx = 0; dirty_endx = 0; width = height = 0; max_width = max_height = 0; history_full = false; history_save_line = 0; visual_start_line = 0; reset(); resize(w, h); } VTerm::~VTerm() { if (!text) return; delete[] text; delete[] attrs; delete[] tab_stops; delete[] linenumbers; delete[] dirty_startx; delete[] dirty_endx; } void VTerm::reset() { utf8 = true; utf8_count = 0; g0_is_active = true; g0_charset = Lat1Map; g1_charset = GrafMap; charset = g0_charset; esc_state = ESnormal; pending_scroll = 0; scroll_top = 0; scroll_bot = height ? (height - 1) : 0; cursor_x = cursor_y = 0; s_cursor_x = s_cursor_y = 0; mode_flags = ModeFlag(); char_attr = s_char_attr = default_char_attr; cur_fcolor = default_char_attr.fcolor; cur_bcolor = default_char_attr.bcolor; cur_underline_color = -1; cur_halfbright_color = -1; if (text) { memset(tab_stops, 0, max_width / 8 + 1); clear_area(0, 0, width - 1, height - 1); } modeChanged(AllModes); } void VTerm::resize(u16 w, u16 h) { if (!w || !h || (w == width && h == height)) return; u16 new_max_width = (w > max_width) ? w : max_width; u16 new_max_height = (h > max_height) ? h : max_height; u16 minw = MIN(width, w), minh = MIN(height, h); if (new_max_width > max_width) { s8 *new_tab_stops = new s8[new_max_width / 8 + 1]; memset(new_tab_stops, 0, new_max_width / 8 + 1); if (tab_stops) { memcpy(new_tab_stops, tab_stops, max_width / 8 + 1); delete[] tab_stops; } tab_stops = new_tab_stops; } else if (w > width) { } if (new_max_height > max_height) { u16 *new_linenumbers = new u16[new_max_height]; u16 *new_dirty_startx = new u16[new_max_height]; u16 *new_dirty_endx = new u16[new_max_height]; for (u16 i = 0; i < new_max_height; i++) { bool orig = (linenumbers && i < height); new_linenumbers[i] = orig ? linenumbers[i] : (history_lines + i); new_dirty_startx[i] = orig ? dirty_startx[i] : w; new_dirty_endx[i] = orig ? dirty_endx[i] : 0; } if (linenumbers) { delete[] linenumbers; delete[] dirty_startx; delete[] dirty_endx; } linenumbers = new_linenumbers; dirty_startx = new_dirty_startx; dirty_endx = new_dirty_endx; } if (new_max_width > max_width || new_max_height > max_height) { u16 *new_text = new u16[new_max_width * (history_lines + new_max_height)]; CharAttr *new_attrs = new CharAttr[new_max_width * (history_lines + new_max_height)]; if (text) { u32 start, new_start; u16 history_copy_lines = (history_full ? history_lines : history_save_line); for (u16 i = 0; i < history_copy_lines; i++) { start = i * max_width; new_start = i * new_max_width; memcpy(&new_text[new_start], &text[start], sizeof(*text) * max_width); memcpy(&new_attrs[new_start], &attrs[start], sizeof(*attrs) * max_width); for (u16 j = max_width; j < new_max_width; j++) { new_text[new_start + j] = ' '; new_attrs[new_start + j] = default_char_attr; } } for (u16 i = 0; i < max_height; i++) { start = (history_lines + i) * max_width; new_start = (history_lines + i) * new_max_width; memcpy(&new_text[new_start], &text[start], sizeof(*text) * max_width); memcpy(&new_attrs[new_start], &attrs[start], sizeof(*attrs) * max_width); } delete[] text; delete[] attrs; } text = new_text; attrs = new_attrs; max_width = new_max_width; max_height = new_max_height; } bool h_changed = false; if (h != height) { h_changed = true; if (h < height) { if (h <= cursor_y) { scroll_region(0, height - 1, cursor_y - h + 1); move_cursor(cursor_x, h - 1); } } } if (w <= cursor_x) { move_cursor(w - 1, cursor_y); } width = w; height = h; if (h_changed) { historyChanged(visual_start_line, total_history_lines()); } scroll_bot = height - 1; if (scroll_top >= height) scroll_top = 0; if (minw < w) { clear_area(minw, 0, w - 1, h - 1); } if (minh < h) { clear_area(0, minh, minw, h - 1); } } void VTerm::input(const u8 *buf, u32 count) { if (!width) return; if (visual_start_line != total_history_lines()) { historyDisplay(true, total_history_lines()); historyChanged(visual_start_line, total_history_lines()); } if (mode(CursorVisible)) { changed_line(cursor_y, cursor_x, cursor_x); } u32 c, tc; bool rescan; while (count > 0) { u32 orig = *buf; c = orig; buf++; count--; rescan = 0; /* Do no translation at all in control states */ if (esc_state != ESnormal) { tc = c; } else if (utf8 && (!mode_flags.display_ctrl || c < 0x20)) { rescan_last_byte: if ((c & 0xc0) == 0x80) { /* Continuation byte received */ static const u32 utf8_length_changes[] = { 0x0000007f, 0x000007ff, 0x0000ffff, 0x001fffff, 0x03ffffff, 0x7fffffff}; if (utf8_count) { cur_char = (cur_char << 6) | (c & 0x3f); npar++; if (--utf8_count) { /* Still need some bytes */ continue; } /* Got a whole character */ c = cur_char; /* Reject overlong sequences */ if (c <= utf8_length_changes[npar - 1] || c > utf8_length_changes[npar]) c = 0xfffd; } else { /* Unexpected continuation byte */ utf8_count = 0; c = 0xfffd; } } else { /* Single ASCII byte or first byte of a sequence received */ if (utf8_count) { /* Continuation byte expected */ rescan = 1; utf8_count = 0; c = 0xfffd; } else if (c > 0x7f) { /* First byte of a multibyte sequence received */ npar = 0; if ((c & 0xe0) == 0xc0) { utf8_count = 1; cur_char = (c & 0x1f); } else if ((c & 0xf0) == 0xe0) { utf8_count = 2; cur_char = (c & 0x0f); } else if ((c & 0xf8) == 0xf0) { utf8_count = 3; cur_char = (c & 0x07); } else if ((c & 0xfc) == 0xf8) { utf8_count = 4; cur_char = (c & 0x03); } else if ((c & 0xfe) == 0xfc) { utf8_count = 5; cur_char = (c & 0x01); } else { /* 254 and 255 are invalid */ c = 0xfffd; } if (utf8_count) { /* Still need some bytes */ continue; } } /* Nothing to do if an ASCII byte was received */ } /* End of UTF-8 decoding. */ /* c is the received character, or U+FFFD for invalid sequences. */ /* Replace invalid Unicode code points with U+FFFD too */ if ((c >= 0xd800 && c <= 0xdfff) || c == 0xfffe || c == 0xffff) c = 0xfffd; tc = c; } else { /* no utf or alternate charset mode */ tc = translate_char(mode_flags.toggle_meta ? (c | 0x80) : c); } cur_char = tc; /* A bitmap for codes <32. A bit of 1 indicates that the code * corresponding to that bit number invokes some special action * (such as cursor movement) and should not be displayed as a * glyph unless the disp_ctrl mode is explicitly enabled. */ #define CTRL_ACTION 0x0d00ff81 #define CTRL_ALWAYS 0x0800f501 /* Cannot be overridden by disp_ctrl */ /* If the original code was a control character we * only allow a glyph to be displayed if the code is * not normally used (such as for cursor movement) or * if the disp_ctrl mode has been explicitly enabled. * Certain characters (as given by the CTRL_ALWAYS * bitmap) are always displayed as control characters, * as the console would be pretty useless without * them; to display an arbitrary font position use the * direct-to-font zone in UTF-8 mode. */ bool ok = tc && (c >= 32 || !(mode_flags.display_ctrl ? ((CTRL_ALWAYS >> c) & 1) : (utf8 || ((CTRL_ACTION >> c) & 1)))) && (c != 127 || mode_flags.display_ctrl) && (c != 128+27); if ((esc_state == ESnormal) && ok) { do_normal_char(); if (rescan) { rescan = 0; c = orig; goto rescan_last_byte; } continue; } do_control_char(); } update(); draw_cursor(); } void VTerm::do_normal_char() { if (cur_char > 0xffff) cur_char = 0xfffd; s32 cw = charWidth(cur_char); if (cw <= 0) return; bool dw = (cw == 2); u32 yp = linenumbers[cursor_y] * max_width; if ((!dw && cursor_x >= width) || (dw && (cursor_x >= width - 1))) { if (mode_flags.auto_wrap) { if (dw && cursor_x == width - 1) { text[yp + cursor_x] = ' '; attrs[yp + cursor_x] = erase_char_attr(); } next_line(); yp = linenumbers[cursor_y] * max_width; } else { if (!dw) { cursor_x = width - 1; } else { return; } } } if (mode_flags.insert_mode) { changed_line(cursor_y, cursor_x, width - 1); u16 step = dw ? 2 : 1; for (u16 i = width - step - 1; i >= cursor_x; i--) { text[yp + i + step] = text[yp + i]; attrs[yp + i + step] = attrs[yp + i]; } } else { changed_line(cursor_y, cursor_x, cursor_x + (dw ? 1 : 0)); } text[yp + cursor_x] = cur_char; attrs[yp + cursor_x] = normal_char_attr(); if (dw) { attrs[yp + cursor_x++].type = CharAttr::DoubleLeft; text[yp + cursor_x] = cur_char; attrs[yp + cursor_x] = normal_char_attr(); attrs[yp + cursor_x++].type = CharAttr::DoubleRight; } else { attrs[yp + cursor_x++].type = CharAttr::Single; } } void VTerm::do_control_char() { u8 index = (cur_char < MAX_CONTROL_CODE ? control_map[cur_char] : 0); const Sequence *seq = control_sequences + index; if (!index && esc_state != ESnormal && cur_char) { seq = escape_sequences + (cur_char < MAX_ESCAPE_CODE ? escape_map[esc_state][cur_char] : 0); } if (seq->action) (this->*(seq->action))(); if (seq->next != ESkeep) esc_state = seq->next; } void VTerm::update() { if (!width) return; // first perform scroll-copy s32 mx = scroll_bot - scroll_top + 1; if (pending_scroll && pending_scroll< mx && -pending_scroll < mx) { u16 sy, dy, h; if (pending_scroll < 0) { sy = scroll_top; dy = scroll_top - pending_scroll; h = scroll_bot - scroll_top + pending_scroll + 1; } else { sy = scroll_top + pending_scroll; dy = scroll_top; h = scroll_bot - scroll_top - pending_scroll + 1; } if (!moveChars(0, sy, 0, dy, width, h)) { for (; h--; dy++) { if (dy >= height) break; dirty_startx[dy] = 0; dirty_endx[dy] = width - 1; } } } pending_scroll = 0; for (u16 i = 0; i < height; i++) { if (dirty_endx[i] >= dirty_startx[i]) { requestUpdate(dirty_startx[i], i, dirty_endx[i] - dirty_startx[i] + 1, 1); dirty_startx[i] = width; dirty_endx[i] = 0; } } } void VTerm::draw_cursor() { if (!mode(CursorVisible)) return; u32 yp = linenumbers[cursor_y] * max_width + cursor_x; CharAttr attr = attrs[yp]; attr.reverse ^= mode_flags.inverse_screen; drawCursor(attr, cursor_x, cursor_y, text[yp]); } void VTerm::requestUpdate(u16 x, u16 y, u16 w, u16 h) { expose(x, y, w, h); } void VTerm::expose(u16 x, u16 y, u16 w, u16 h) { if (!width || !w || !h || x >= width || y >= height) return; if (x + w > width) w = width - x; if (y + h > height) h = height - y; for (; h--; y++) { u32 yp = get_line(y) * max_width; u16 startx = x; u16 endx = x + w - 1; if (attrs[yp + startx].type == CharAttr::DoubleRight) startx--; if (attrs[yp + endx].type == CharAttr::DoubleLeft) endx++; CharAttr attr = attrs[yp + startx]; bool dws[width]; u16 codes[width], num = 0; u16 cur, start = startx; for (cur = startx; cur <= endx; cur++) { if (attrs[yp + cur].type == CharAttr::DoubleRight) continue; if (attrs[yp + cur] != attr) { attr.reverse ^= mode_flags.inverse_screen; drawChars(attr, start, y, cur - start, num, codes, dws); num = 0; start = cur; attr = attrs[yp + cur]; } dws[num] = (attrs[yp + cur].type != CharAttr::Single); codes[num++] = text[yp + cur]; } attr.reverse ^= mode_flags.inverse_screen; drawChars(attr, start, y, cur - start, num, codes, dws); } } void VTerm::inverse(u16 sx, u16 sy, u16 ex, u16 ey) { if (sy > ey) return; if (charAttr(sx, sy).type == CharAttr::DoubleRight) sx--; if (charAttr(ex, ey).type == CharAttr::DoubleLeft) ex++; if (sy == ey && sx > ex) return; for (u16 y = sy; y <= ey; y++) { u32 yp = get_line(y) * max_width; u16 start = (y == sy) ? sx : 0; u16 end = (y == ey) ? ex : (w() - 1); for (u16 x = start; x <= end; x++) { attrs[yp + x].reverse ^= 1; } } } void VTerm::scroll_region(u16 start_y, u16 end_y, s16 num) { s32 y, takey, fast_scroll, mx, clr; u16 temp[height]; u16 temp_sx[height], temp_ex[height]; if (!num) return; if (end_y >= height) end_y = height - 1; if (start_y > end_y) return; mx = end_y-start_y+1; if (num > mx) num = mx; if (-num > mx) num = -mx; if (start_y == 0 && num > 0) { history_scroll(num); } fast_scroll = (start_y == scroll_top && end_y == scroll_bot); if (fast_scroll) pending_scroll += num; memcpy(temp, linenumbers, sizeof(temp)); if (fast_scroll) { memcpy(temp_sx, dirty_startx, sizeof(temp_sx)); memcpy(temp_ex, dirty_endx, sizeof(temp_ex)); } // move the lines by renumbering where they point to if (numend_y); if (takeyend_y) takey = start_y-1+(takey-end_y); linenumbers[y] = temp[takey]; if (!fast_scroll || clr) { dirty_startx[y] = 0; dirty_endx[y] = width-1; } else { dirty_startx[y] = temp_sx[takey]; dirty_endx[y] = temp_ex[takey]; } if (clr) { clear_area(0, y, width - 1, y); } } } } void VTerm::shift_text(u16 y, u16 start_x, u16 end_x, s16 num) { if (!num) return; u32 yp = linenumbers[y]*max_width; u16 mx = end_x-start_x+1; if (num>mx) num = mx; if (-num>mx) num = -mx; if (num= width || start_y >= height) return; if (end_x >= width) end_x = width - 1; if (end_y >= height) end_y = height - 1; if (start_x > end_x || start_y > end_y) return; u16 x, y; u32 yp; for (y=start_y; y<=end_y; y++) { yp = linenumbers[y]*max_width; for (x=start_x; x<=end_x; x++) { text[yp+x]= ' '; attrs[yp+x] = erase_char_attr(); } changed_line(y, start_x, end_x); } } void VTerm::changed_line(u16 y, u16 start_x, u16 end_x) { if (y >= height) return; if (start_x >= width) start_x = width - 1; if (end_x >= width) end_x = width - 1; if (dirty_startx[y] > start_x) dirty_startx[y] = start_x; if (dirty_endx[y] < end_x) dirty_endx[y] = end_x; } void VTerm::move_cursor(u16 x, u16 y) { if (x>=width) x = width-1; if (y>=height) y = height-1; cursor_x = x; cursor_y = y; } u16 VTerm::mode(ModeType type) { u16 ret = false; switch (type) { case AutoRepeatKey: ret = mode_flags.autorepeat_key; break; case ApplicKeypad: ret = mode_flags.applic_keypad; break; case MouseReport: ret = mode_flags.mouse_report; break; case CursorShape: ret = mode_flags.cursor_shape; break; case CursorKeyEscO: ret = mode_flags.cursorkey_esco; break; case CRWithLF: ret = mode_flags.crlf; break; case CursorVisible: ret = mode_flags.cursor_visible && (visual_start_line == total_history_lines()); break; default: break; } return ret; } void VTerm::history_scroll(u16 num) { if (!history_lines) return; u32 yp, yp_history; for (u16 i = 0; i < num; i++) { yp = linenumbers[i] * max_width; yp_history = history_save_line * max_width; memcpy(&text[yp_history], &text[yp], sizeof(*text) * width); memcpy(&attrs[yp_history], &attrs[yp], sizeof(*attrs) * width); if (width < max_width) { for (u16 i = width; i < max_width; i++) { text[yp_history + i] = ' '; attrs[yp_history + i] = default_char_attr; } } history_save_line++; if (history_save_line == history_lines) { history_save_line = 0; if (!history_full) history_full = true; } } visual_start_line = total_history_lines(); historyChanged(visual_start_line, total_history_lines()); } void VTerm::historyDisplay(bool absolute, s32 num) { if (!history_lines || (absolute && num == (s32)visual_start_line) || (!absolute && !num)) return; u32 bak_line = visual_start_line; if (absolute) { visual_start_line = num; } else { if ((s32)visual_start_line < -num) visual_start_line = 0; else visual_start_line += num; } if (visual_start_line > total_history_lines()) visual_start_line = total_history_lines(); if (visual_start_line == bak_line) return; modeChanged(CursorVisible); bool accel_scroll = false; u32 scroll_lines = (visual_start_line > bak_line) ? (visual_start_line - bak_line) : (bak_line - visual_start_line); if (scroll_lines < height) { u16 sy, dy, updatey; if (visual_start_line > bak_line) { sy = scroll_lines; dy = 0; updatey = height - scroll_lines; } else { sy = 0; dy = scroll_lines; updatey = 0; } accel_scroll = moveChars(0, sy, 0, dy, width, height - scroll_lines); if (accel_scroll) { requestUpdate(0, updatey, width, scroll_lines); } } if (!accel_scroll) { requestUpdate(0, 0, width, height); } draw_cursor(); } u16 VTerm::get_line(u16 y) { if (y > height) y = height; u16 line = visual_start_line + y; if (line >= total_history_lines()) return linenumbers[line - total_history_lines()]; return ((history_full ? history_save_line : 0) + line) % history_lines; } fbterm-1.7/src/lib/vterm.h000066400000000000000000000155201145700147300155100ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * based on GTerm by Timothy Miller * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef VTERM_H #define VTERM_H #include "type.h" class VTerm { public: struct CharAttr { typedef enum { Single = 0, DoubleLeft, DoubleRight } CharType; bool operator != (const CharAttr a) { return fcolor != a.fcolor || bcolor != a.bcolor || intensity != a.intensity || italic != a.italic || underline != a.underline || blink != a.blink || reverse != a.reverse; } u16 fcolor : 8; u16 bcolor : 8; u16 intensity : 2; // 0 = half-bright, 1 = normal, 2 = bold u16 italic : 1; u16 underline : 1; u16 blink : 1; u16 reverse : 1; u16 type : 2; }; typedef enum { MouseNone, MouseX11, MouseX10, } MouseReportType; typedef enum { CurDefault, CurNone, CurUnderline, CurLowerThird, CurLowerHalf, CurTwoThirds, CurBlock, } CursorType; typedef enum { CursorVisible = 1, CursorShape = 2, MouseReport = 4, CursorKeyEscO = 8, AutoRepeatKey = 16, ApplicKeypad = 32, CRWithLF = 64, AllModes = 0xff, } ModeType; typedef enum { Bell, BellFrequencySet, BellDurationSet, PaletteSet, PaletteClear, Blank, Unblank, LedSet, LedClear, VcSwitch, VesaPowerIntervalSet, } RequestType; VTerm(u16 w = 0, u16 h = 0); virtual ~VTerm(); u16 w() { return width; } u16 h() { return height; } void historyDisplay(bool absolute, s32 num); u16 mode(ModeType type); void resize(u16 w, u16 h); void input(const u8 *buf, u32 count); void expose(u16 x, u16 y, u16 w, u16 h); void inverse(u16 sx, u16 sy, u16 ex, u16 ey); u16 charCode(u16 x, u16 y) { return text[get_line(y) * max_width + x]; } CharAttr charAttr(u16 x, u16 y) { return attrs[get_line(y) * max_width + x]; } static s32 charWidth(u32 ucs); protected: virtual void drawChars(CharAttr attr, u16 x, u16 y, u16 w, u16 num, u16 *chars, bool *dws) = 0; virtual bool moveChars(u16 sx, u16 sy, u16 dx, u16 dy, u16 w, u16 h) { return false; } virtual void drawCursor(CharAttr attr, u16 x, u16 y, u16 c) {} virtual void sendBack(const s8 *data) {} virtual void modeChanged(ModeType type) {} virtual void historyChanged(u32 cur, u32 total) {} virtual void request(RequestType type, u32 val = 0) {} virtual void requestUpdate(u16 x, u16 y, u16 w, u16 h); private: // utility functions void do_normal_char(); void do_control_char(); void scroll_region(u16 start_y, u16 end_y, s16 num); // does clear void shift_text(u16 y, u16 start_x, u16 end_x, s16 num); // ditto void clear_area(u16 start_x, u16 start_y, u16 end_x, u16 end_y); void changed_line(u16 y, u16 start_x, u16 end_x); void move_cursor(u16 x, u16 y); void update(); void draw_cursor(); u16 get_line(u16 y); u16 total_history_lines() { return history_full ? history_lines : history_save_line; } // terminal actions void set_q_mode(); void clear_param(); void param_digit(); void next_param(); // non-printing characters void cr(), lf(), bell(), tab(), bs(); // escape sequence actions void reset(); void keypad_numeric(); void keypad_application(); void save_cursor(); void restore_cursor(); void set_tab(); void clear_tab(); void index_down(); void index_up(); void next_line(); void cursor_left(); void cursor_right(); void cursor_up(); void cursor_down(); void cursor_up_cr(); void cursor_down_cr(); void cursor_position(); void cursor_position_col(); void cursor_position_row(); void insert_char(); void delete_char(); void erase_char(); void insert_line(); void delete_line(); void erase_line(); void erase_display(); void screen_align(); void set_margins(); void respond_id(); void status_report(); void set_mode(); void clear_mode(); void enable_mode(bool); void set_display_attr(); void set_utf8(); void clear_utf8(); void active_g0(); void active_g1(); void current_is_g0(); void current_is_g1(); void set_charset(); u32 translate_char(u32); void set_cursor_type(); void linux_specific(); void begin_set_palette(); void set_palette(); void reset_palette(); void set_led(); void fbterm_specific(); CharAttr normal_char_attr(); CharAttr erase_char_attr(); //history void history_scroll(u16 num); static void init_state(); static u16 init_history_lines(); static u8 init_default_color(bool foreground); static bool init_ambiguous_wide(); typedef enum { ESnormal = 0, ESesc, ESsquare, ESnonstd, ESpercent, EScharset, EShash, ESfunckey, ESkeep } EscapeState; EscapeState esc_state; typedef void (VTerm::*ActionFunc)(); struct Sequence { u16 code; ActionFunc action; EscapeState next; }; static const Sequence control_sequences[], escape_sequences[]; #define NR_STATES ESkeep #define MAX_CONTROL_CODE 256 #define MAX_ESCAPE_CODE 128 static u8 control_map[MAX_CONTROL_CODE], escape_map[NR_STATES][MAX_ESCAPE_CODE]; //utf8 parse u16 utf8_count; u32 cur_char; //treat cjk ambiguous width characters as wide static bool ambiguous_wide; //charset typedef enum { Lat1Map = 0, GrafMap, IbmpcMap, UserMap } CharsetMap; bool utf8; bool g0_is_current; bool g0_is_active, s_g0_is_active; CharsetMap charset; CharsetMap g0_charset, g1_charset; CharsetMap s_g0_charset, s_g1_charset; // terminal info u16 *text; CharAttr *attrs; s8 *tab_stops; u16 *linenumbers; u16 *dirty_startx, *dirty_endx; u16 width, height, max_width, max_height; u16 scroll_top, scroll_bot; s32 pending_scroll; // >0 means scroll up // terminal state struct ModeFlag { ModeFlag(); u16 toggle_meta : 1; u16 inverse_screen : 1; u16 display_ctrl : 1; u16 crlf : 1; u16 auto_wrap : 1; u16 insert_mode : 1; u16 cursor_visible : 1; u16 cursor_relative : 1; u16 col_132 : 1; u16 applic_keypad : 1; u16 autorepeat_key : 1; u16 cursorkey_esco : 1; u16 mouse_report : 2; u16 cursor_shape : 3; } mode_flags; u16 cursor_x, cursor_y, s_cursor_x, s_cursor_y; CharAttr char_attr, s_char_attr; static CharAttr default_char_attr; u8 cur_fcolor, cur_bcolor; s8 cur_underline_color, cur_halfbright_color; // action parameters #define NPAR 16 u16 npar, param[NPAR]; bool q_mode, palette_mode; //history static u16 history_lines; bool history_full; u32 history_save_line, visual_start_line; }; #endif fbterm-1.7/src/lib/vterm_action.cpp000066400000000000000000000274321145700147300174050ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * based on GTerm by Timothy Miller * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include "vterm.h" void VTerm::cr() { move_cursor(0, cursor_y); } void VTerm::lf() { if (cursor_y < scroll_bot) move_cursor(cursor_x, cursor_y + 1); else scroll_region(scroll_top, scroll_bot, 1); if (mode_flags.crlf) cr(); } void VTerm::bs() { if (cursor_x) move_cursor(cursor_x - 1, cursor_y); } void VTerm::bell() { request(Bell); } void VTerm::tab() { u16 x = 0; for (u16 i=cursor_x + 1; i < width; i++) { s8 a = tab_stops[i/8]; if (a && (a & (1 << (i % 8)))) { x = i; break; } } if (!x) x = (cursor_x + 8) & -8; if (x < width) move_cursor(x, cursor_y); else move_cursor(width - 1, cursor_y); } void VTerm::set_tab() { tab_stops[cursor_x / 8] |= (1 << (cursor_x % 8)); } void VTerm::clear_tab() { if (param[0] == 3) { memset(tab_stops, 0, max_width / 8 + 1); } else if (param[0] == 0) { tab_stops[cursor_x / 8] &= ~(1 << (cursor_x % 8)); } } void VTerm::param_digit() { param[npar] = param[npar] * 10 + cur_char - '0'; } void VTerm::next_param() { if (npar < NPAR - 1) npar++; } void VTerm::clear_param() { q_mode = 0; palette_mode = 0; npar = 0; memset(param, 0, sizeof(param)); } void VTerm::save_cursor() { s_g0_charset = g0_charset; s_g1_charset = g1_charset; s_g0_is_active = g0_is_active; s_cursor_x = cursor_x; s_cursor_y = cursor_y; s_char_attr = char_attr; } void VTerm::restore_cursor() { g0_charset = s_g0_charset; g1_charset = s_g1_charset; g0_is_active = s_g0_is_active; charset = (g0_is_active ? g0_charset : g1_charset); char_attr = s_char_attr; move_cursor(s_cursor_x, s_cursor_y); } void VTerm::next_line() { lf(); cr(); } void VTerm::index_down() { lf(); } void VTerm::index_up() { if (cursor_y > scroll_top) move_cursor(cursor_x, cursor_y - 1); else scroll_region(scroll_top, scroll_bot, -1); } void VTerm::cursor_left() { u16 n, x; n = param[0]; if (n < 1) n = 1; if (cursor_x < n) x = 0; else x = cursor_x - n; move_cursor(x, cursor_y); } void VTerm::cursor_right() { u16 n, x; n = param[0]; if (n < 1) n = 1; x = cursor_x + n; if (x >= width) x = width - 1; move_cursor(x, cursor_y); } void VTerm::cursor_up() { u16 n, y; n = param[0]; if (n < 1) n = 1; if (cursor_y < n) y = 0; else y = cursor_y - n; move_cursor(cursor_x, y); } void VTerm::cursor_down() { u16 n, y; n = param[0]; if (n < 1) n = 1; y = cursor_y + n; if (y >= height) y = height - 1; move_cursor(cursor_x, y); } void VTerm::cursor_up_cr() { u16 n, y; n = param[0]; if (n < 1) n = 1; if (cursor_y < n) y = 0; else y = cursor_y - n; move_cursor(0, y); } void VTerm::cursor_down_cr() { u16 n, y; n = param[0]; if (n < 1) n = 1; y = cursor_y + n; if (y >= height) y = height - 1; move_cursor(0, y); } void VTerm::cursor_position() { u16 x, y; x = param[1]; if (x < 1) x = 1; y = param[0]; if (y < 1) y = 1; move_cursor(x - 1, y - 1 + (mode_flags.cursor_relative ? scroll_top : 0)); } void VTerm::cursor_position_col() { u16 x = param[0]; if (x < 1) x = 1; move_cursor(x-1, cursor_y); } void VTerm::cursor_position_row() { u16 y = param[0]; if (y < 1) y = 1; move_cursor(cursor_x, y-1); } void VTerm::insert_char() { u16 n, mx; n = param[0]; if (n < 1) n = 1; mx = width - cursor_x; if (n >= mx) clear_area(cursor_x, cursor_y, width - 1, cursor_y); else shift_text(cursor_y, cursor_x, width - 1, n); } void VTerm::delete_char() { u16 n, mx; n = param[0]; if (n < 1) n = 1; mx = width - cursor_x; if (n >= mx) clear_area(cursor_x, cursor_y, width - 1, cursor_y); else shift_text(cursor_y, cursor_x, width - 1, -n); } void VTerm::erase_char() { u16 n, mx; n = param[0]; if (n < 1) n = 1; mx = width - cursor_x; if (n > mx) n = mx; clear_area(cursor_x, cursor_y, cursor_x + n - 1, cursor_y); } void VTerm::insert_line() { u16 n, mx; n = param[0]; if (n < 1) n = 1; mx = scroll_bot - cursor_y + 1; if (n >= mx) clear_area(0, cursor_y, width - 1, scroll_bot); else scroll_region(cursor_y, scroll_bot, -n); } void VTerm::delete_line() { u16 n, mx; n = param[0]; if (n < 1) n = 1; mx = scroll_bot - cursor_y + 1; if (n >= mx) clear_area(0, cursor_y, width - 1, scroll_bot); else scroll_region(cursor_y, scroll_bot, n); } void VTerm::erase_line() { switch (param[0]) { case 0: clear_area(cursor_x, cursor_y, width - 1, cursor_y); break; case 1: clear_area(0, cursor_y, cursor_x, cursor_y); break; case 2: clear_area(0, cursor_y, width - 1, cursor_y); break; } } void VTerm::erase_display() { switch (param[0]) { case 0: clear_area(cursor_x, cursor_y, width - 1, cursor_y); if (cursor_y < height - 1) clear_area(0, cursor_y + 1, width - 1, height - 1); break; case 1: clear_area(0, cursor_y, cursor_x, cursor_y); if (cursor_y > 0) clear_area(0, 0, width - 1, cursor_y - 1); break; case 2: clear_area(0, 0, width - 1, height - 1); break; } } void VTerm::screen_align() { for (u16 y = 0; y < height; y++) { u32 yp = linenumbers[y] * max_width; changed_line(y, 0, width - 1); for (u16 x = 0; x < width; x++) { text[yp + x] = 'E'; attrs[yp + x] = normal_char_attr(); } } } void VTerm::set_margins() { u16 t, b; t = param[0]; if (t < 1) t = 1; b = param[1]; if (b < 1 || b > height) b = height; if (pending_scroll) update(); scroll_top = t - 1; scroll_bot = b - 1; if (cursor_y < scroll_top) move_cursor(cursor_x, scroll_top); if (cursor_y > scroll_bot) move_cursor(cursor_x, scroll_bot); } void VTerm::respond_id() { sendBack("\e[?6c"); // response 'I'm a VT102' } void VTerm::status_report() { if (param[0] == 5) { // device status report sendBack("\e[0n"); // response 'Terminal OK' } else if (param[0] == 6) { // cursor position report s8 str[32]; snprintf(str, sizeof(str), "\e[%d;%dR", cursor_y + 1, cursor_x + 1); sendBack(str); } } void VTerm::keypad_numeric() { mode_flags.applic_keypad = false; modeChanged(ApplicKeypad); } void VTerm::keypad_application() { mode_flags.applic_keypad = true; modeChanged(ApplicKeypad); } void VTerm::enable_mode(bool enable) { switch (param[0] + 1000 * q_mode) { case 3: mode_flags.display_ctrl = enable; break; case 4: mode_flags.insert_mode = enable; break; case 20: // auto echo cr with lf mode_flags.crlf = enable; modeChanged(CRWithLF); break; case 1001 : mode_flags.cursorkey_esco = enable; modeChanged(CursorKeyEscO); break; case 1003 : mode_flags.col_132 = enable; break; case 1005 : mode_flags.inverse_screen = enable; for (u16 i = 0; i < height; i++) { changed_line(i, 0, width - 1); } break; case 1006 : mode_flags.cursor_relative = enable; break; case 1007 : mode_flags.auto_wrap = enable; break; case 1008 : mode_flags.autorepeat_key = enable; modeChanged(AutoRepeatKey); break; case 1009 : mode_flags.mouse_report = (enable ? MouseX10 : MouseNone); modeChanged(MouseReport); break; case 1025 : mode_flags.cursor_visible = enable; modeChanged(CursorVisible); break; case 2000 : mode_flags.mouse_report = (enable ? MouseX11 : MouseNone); modeChanged(MouseReport); break; default: break; } } void VTerm::set_mode() { enable_mode(true); } void VTerm::clear_mode() { enable_mode(false); } void VTerm::set_display_attr() { for (u16 n = 0; n <= npar; n++) { switch (param[n]) { case 0: char_attr = default_char_attr; break; case 1: char_attr.intensity = 2; break; case 2: char_attr.intensity = 0; break; case 3: char_attr.italic = true; break; case 4: char_attr.underline = true; break; case 5: char_attr.blink = true; break; case 7: char_attr.reverse = true; break; case 10: charset = (g0_is_active ? g0_charset : g1_charset); mode_flags.display_ctrl = false; mode_flags.toggle_meta = false; break; case 11: charset = IbmpcMap; mode_flags.display_ctrl = true; mode_flags.toggle_meta = false; break; case 12: charset = IbmpcMap; mode_flags.display_ctrl = true; mode_flags.toggle_meta = true; break; case 21: case 22: char_attr.intensity = 1; break; case 23: char_attr.italic = false; break; case 24: char_attr.underline = false; break; case 25: char_attr.blink = false; break; case 27: char_attr.reverse = false; break; case 30 ... 37: char_attr.fcolor = param[n] % 10; break; case 38: char_attr.fcolor = cur_fcolor; char_attr.underline = true; break; case 39: char_attr.fcolor = cur_fcolor; char_attr.underline = false; break; case 40 ... 47: char_attr.bcolor = param[n] % 10; break; case 49: char_attr.bcolor = cur_bcolor; break; default : break; } } } void VTerm::set_q_mode() { q_mode = 1; } void VTerm::set_cursor_type() { if (q_mode) { mode_flags.cursor_shape = param[0]; modeChanged(CursorShape); } else if (!param[0]) { respond_id(); } } void VTerm::set_utf8() { utf8 = true; } void VTerm::clear_utf8() { utf8 = false; } void VTerm::set_charset() { CharsetMap &m = (g0_is_current ? g0_charset : g1_charset); switch (cur_char) { case '0': m = Lat1Map; break; case 'B': m = GrafMap; break; case 'U': m = IbmpcMap; break; case 'K': m = UserMap; break; default: break; } } void VTerm::active_g0() { charset = g0_charset; g0_is_active = true; mode_flags.display_ctrl = false; } void VTerm::active_g1() { charset = g1_charset; g0_is_active = false; mode_flags.display_ctrl = true; } void VTerm::current_is_g0() { g0_is_current = true; } void VTerm::current_is_g1() { g0_is_current = false; } void VTerm::linux_specific() { switch (param[0]) { case 1: if (param[1] < 8) cur_underline_color = param[1]; break; case 2: if (param[1] < 8) cur_halfbright_color = param[1]; break; case 8: cur_fcolor = char_attr.fcolor; cur_bcolor = char_attr.bcolor; break; case 9: request(Blank, param[1]); break; case 10: request(BellFrequencySet, param[1]); break; case 11: request(BellDurationSet, param[1]); break; case 12: request(VcSwitch, param[1]); break; case 13: request(Unblank); break; case 14: request(VesaPowerIntervalSet, param[1]); break; default: break; } } void VTerm::begin_set_palette() { if (palette_mode || npar) esc_state = ESnormal; else palette_mode = true; } void VTerm::set_palette() { if (palette_mode) { param[npar++] = (cur_char >= 'a' ? (cur_char - 'a' + 10) : (cur_char >= 'A' ? (cur_char - 'A' + 10) : (cur_char - '0'))); if (npar != 7) return; u32 val = 0; for (u32 i = 0; i < 7; i++) { val <<= 4; val |= param[i]; } request(PaletteSet, val); } esc_state = ESnormal; } void VTerm::reset_palette() { request(PaletteClear); } void VTerm::set_led() { request(param[0] ? LedSet : LedClear, param[0]); } void VTerm::fbterm_specific() { switch (param[0]) { case 1: if (npar == 1) char_attr.fcolor = param[1]; break; case 2: if (npar == 1) char_attr.bcolor = param[1]; break; case 3: if (npar == 4) request(PaletteSet, ((param[1] & 0xff) << 24) | ((param[2] & 0xff) << 16) | ((param[3] & 0xff) << 8) | (param[4] & 0xff)); break; default: break; } } fbterm-1.7/src/lib/vterm_states.cpp000066400000000000000000000104431145700147300174250ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * based on GTerm by Timothy Miller * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include "vterm.h" #define ADDSAME(len) ((len) << 8) const VTerm::Sequence VTerm::control_sequences[] = { { 0, 0, ESkeep }, { 7, &VTerm::bell, ESkeep }, { 8, &VTerm::bs, ESkeep }, { 9, &VTerm::tab, ESkeep }, { 0xA, &VTerm::lf, ESkeep }, { 0xB, &VTerm::lf, ESkeep }, { 0xC, &VTerm::lf, ESkeep }, { 0xD, &VTerm::cr, ESkeep }, { 0xE, &VTerm::active_g1, ESkeep }, { 0xF, &VTerm::active_g0, ESkeep }, { 0x18, 0, ESnormal }, { 0x1A, 0, ESnormal }, { 0x1B, 0, ESesc }, { 0x7F, 0, ESkeep }, { 0x9B, 0, ESsquare }, { -1} }; const VTerm::Sequence VTerm::escape_sequences[] = { { 0, 0, ESnormal }, // ESnormal { -1 }, // ESesc { '[', &VTerm::clear_param, ESsquare }, { ']', &VTerm::clear_param, ESnonstd }, { '%', 0, ESpercent }, { '#', 0, EShash }, { '(', &VTerm::current_is_g0, EScharset }, { ')', &VTerm::current_is_g1, EScharset }, { 'c', &VTerm::reset, ESnormal }, { 'D', &VTerm::index_down, ESnormal }, { 'E', &VTerm::next_line, ESnormal }, { 'H', &VTerm::set_tab, ESnormal }, { 'M', &VTerm::index_up, ESnormal }, { 'Z', &VTerm::respond_id, ESnormal }, { '7', &VTerm::save_cursor, ESnormal }, { '8', &VTerm::restore_cursor, ESnormal }, { '>', &VTerm::keypad_numeric, ESnormal }, { '=', &VTerm::keypad_application, ESnormal }, { -1 }, // ESsquare { '[', 0, ESfunckey }, { '?', &VTerm::set_q_mode, ESkeep }, { '0' | ADDSAME(9), &VTerm::param_digit, ESkeep }, { ';', &VTerm::next_param, ESkeep }, { '@', &VTerm::insert_char, ESnormal }, { 'A', &VTerm::cursor_up, ESnormal }, { 'B', &VTerm::cursor_down, ESnormal }, { 'C', &VTerm::cursor_right,ESnormal }, { 'D', &VTerm::cursor_left, ESnormal }, { 'E', &VTerm::cursor_down_cr, ESnormal }, { 'F', &VTerm::cursor_up_cr, ESnormal }, { 'G', &VTerm::cursor_position_col, ESnormal }, { 'H', &VTerm::cursor_position, ESnormal }, { 'J', &VTerm::erase_display, ESnormal }, { 'K', &VTerm::erase_line, ESnormal }, { 'L', &VTerm::insert_line, ESnormal }, { 'M', &VTerm::delete_line, ESnormal }, { 'P', &VTerm::delete_char, ESnormal }, { 'X', &VTerm::erase_char, ESnormal }, { 'a', &VTerm::cursor_right,ESnormal }, { 'c', &VTerm::set_cursor_type, ESnormal }, { 'd', &VTerm::cursor_position_row, ESnormal }, { 'e', &VTerm::cursor_down, ESnormal }, { 'f', &VTerm::cursor_position, ESnormal }, { 'g', &VTerm::clear_tab, ESnormal }, { 'h', &VTerm::set_mode, ESnormal }, { 'l', &VTerm::clear_mode, ESnormal }, { 'm', &VTerm::set_display_attr, ESnormal }, { 'n', &VTerm::status_report, ESnormal }, { 'q', &VTerm::set_led, ESnormal }, { 'r', &VTerm::set_margins, ESnormal }, { 's', &VTerm::save_cursor, ESnormal }, { 'u', &VTerm::restore_cursor, ESnormal }, { '`', &VTerm::cursor_position_col, ESnormal }, { ']', &VTerm::linux_specific, ESnormal }, { '}', &VTerm::fbterm_specific, ESnormal }, { -1 }, // ESnonstd { '0' | ADDSAME(9), &VTerm::set_palette, ESkeep }, { 'A' | ADDSAME(5), &VTerm::set_palette, ESkeep }, { 'a' | ADDSAME(5), &VTerm::set_palette, ESkeep }, { 'P', &VTerm::begin_set_palette, ESkeep }, { 'R', &VTerm::reset_palette, ESnormal }, { -1 }, // ESpercent { '@', &VTerm::clear_utf8, ESnormal }, { 'G', &VTerm::set_utf8, ESnormal }, { '8', &VTerm::set_utf8, ESnormal }, { -1 }, // EScharset { '0', &VTerm::set_charset, ESnormal }, { 'B', &VTerm::set_charset, ESnormal }, { 'U', &VTerm::set_charset, ESnormal }, { 'K', &VTerm::set_charset, ESnormal }, { -1 }, // EShash { '8', &VTerm::screen_align, ESnormal }, { -1 }, // ESfunckey { -1 }, }; fbterm-1.7/src/lib/wcwidth.cpp000066400000000000000000000334231145700147300163610ustar00rootroot00000000000000/* * This is an implementation of wcwidth() and wcswidth() (defined in * IEEE Std 1002.1-2001) for Unicode. * * http://www.opengroup.org/onlinepubs/007904975/functions/wcwidth.html * http://www.opengroup.org/onlinepubs/007904975/functions/wcswidth.html * * In fixed-width output devices, Latin characters all occupy a single * "cell" position of equal width, whereas ideographic CJK characters * occupy two such cells. Interoperability between terminal-line * applications and (teletype-style) character terminals using the * UTF-8 encoding requires agreement on which character should advance * the cursor by how many cell positions. No established formal * standards exist at present on which Unicode character shall occupy * how many cell positions on character terminals. These routines are * a first attempt of defining such behavior based on simple rules * applied to data provided by the Unicode Consortium. * * For some graphical characters, the Unicode standard explicitly * defines a character-cell width via the definition of the East Asian * FullWidth (F), Wide (W), Half-width (H), and Narrow (Na) classes. * In all these cases, there is no ambiguity about which width a * terminal shall use. For characters in the East Asian Ambiguous (A) * class, the width choice depends purely on a preference of backward * compatibility with either historic CJK or Western practice. * Choosing single-width for these characters is easy to justify as * the appropriate long-term solution, as the CJK practice of * displaying these characters as double-width comes from historic * implementation simplicity (8-bit encoded characters were displayed * single-width and 16-bit ones double-width, even for Greek, * Cyrillic, etc.) and not any typographic considerations. * * Much less clear is the choice of width for the Not East Asian * (Neutral) class. Existing practice does not dictate a width for any * of these characters. It would nevertheless make sense * typographically to allocate two character cells to characters such * as for instance EM SPACE or VOLUME INTEGRAL, which cannot be * represented adequately with a single-width glyph. The following * routines at present merely assign a single-cell width to all * neutral characters, in the interest of simplicity. This is not * entirely satisfactory and should be reconsidered before * establishing a formal standard in this area. At the moment, the * decision which Not East Asian (Neutral) characters should be * represented by double-width glyphs cannot yet be answered by * applying a simple rule from the Unicode database content. Setting * up a proper standard for the behavior of UTF-8 character terminals * will require a careful analysis not only of each Unicode character, * but also of each presentation form, something the author of these * routines has avoided to do so far. * * http://www.unicode.org/unicode/reports/tr11/ * * Markus Kuhn -- 2007-05-26 (Unicode 5.0) * * Permission to use, copy, modify, and distribute this software * for any purpose and without fee is hereby granted. The author * disclaims all warranties with regard to this software. * * Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c */ #include struct interval { int first; int last; }; /* auxiliary function for binary search in interval table */ static int bisearch(wchar_t ucs, const struct interval *table, int max) { int min = 0; int mid; if (ucs < table[0].first || ucs > table[max].last) return 0; while (max >= min) { mid = (min + max) / 2; if (ucs > table[mid].last) min = mid + 1; else if (ucs < table[mid].first) max = mid - 1; else return 1; } return 0; } /* The following two functions define the column width of an ISO 10646 * character as follows: * * - The null character (U+0000) has a column width of 0. * * - Other C0/C1 control characters and DEL will lead to a return * value of -1. * * - Non-spacing and enclosing combining characters (general * category code Mn or Me in the Unicode database) have a * column width of 0. * * - SOFT HYPHEN (U+00AD) has a column width of 1. * * - Other format characters (general category code Cf in the Unicode * database) and ZERO WIDTH SPACE (U+200B) have a column width of 0. * * - Hangul Jamo medial vowels and final consonants (U+1160-U+11FF) * have a column width of 0. * * - Spacing characters in the East Asian Wide (W) or East Asian * Full-width (F) category as defined in Unicode Technical * Report #11 have a column width of 2. * * - All remaining characters (including all printable * ISO 8859-1 and WGL4 characters, Unicode control characters, * etc.) have a column width of 1. * * This implementation assumes that wchar_t characters are encoded * in ISO 10646. */ int mk_wcwidth(wchar_t ucs) { /* sorted list of non-overlapping intervals of non-spacing characters */ /* generated by "uniset +cat=Me +cat=Mn +cat=Cf -00AD +1160-11FF +200B c" */ static const struct interval combining[] = { { 0x0300, 0x036F }, { 0x0483, 0x0486 }, { 0x0488, 0x0489 }, { 0x0591, 0x05BD }, { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 }, { 0x05C4, 0x05C5 }, { 0x05C7, 0x05C7 }, { 0x0600, 0x0603 }, { 0x0610, 0x0615 }, { 0x064B, 0x065E }, { 0x0670, 0x0670 }, { 0x06D6, 0x06E4 }, { 0x06E7, 0x06E8 }, { 0x06EA, 0x06ED }, { 0x070F, 0x070F }, { 0x0711, 0x0711 }, { 0x0730, 0x074A }, { 0x07A6, 0x07B0 }, { 0x07EB, 0x07F3 }, { 0x0901, 0x0902 }, { 0x093C, 0x093C }, { 0x0941, 0x0948 }, { 0x094D, 0x094D }, { 0x0951, 0x0954 }, { 0x0962, 0x0963 }, { 0x0981, 0x0981 }, { 0x09BC, 0x09BC }, { 0x09C1, 0x09C4 }, { 0x09CD, 0x09CD }, { 0x09E2, 0x09E3 }, { 0x0A01, 0x0A02 }, { 0x0A3C, 0x0A3C }, { 0x0A41, 0x0A42 }, { 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D }, { 0x0A70, 0x0A71 }, { 0x0A81, 0x0A82 }, { 0x0ABC, 0x0ABC }, { 0x0AC1, 0x0AC5 }, { 0x0AC7, 0x0AC8 }, { 0x0ACD, 0x0ACD }, { 0x0AE2, 0x0AE3 }, { 0x0B01, 0x0B01 }, { 0x0B3C, 0x0B3C }, { 0x0B3F, 0x0B3F }, { 0x0B41, 0x0B43 }, { 0x0B4D, 0x0B4D }, { 0x0B56, 0x0B56 }, { 0x0B82, 0x0B82 }, { 0x0BC0, 0x0BC0 }, { 0x0BCD, 0x0BCD }, { 0x0C3E, 0x0C40 }, { 0x0C46, 0x0C48 }, { 0x0C4A, 0x0C4D }, { 0x0C55, 0x0C56 }, { 0x0CBC, 0x0CBC }, { 0x0CBF, 0x0CBF }, { 0x0CC6, 0x0CC6 }, { 0x0CCC, 0x0CCD }, { 0x0CE2, 0x0CE3 }, { 0x0D41, 0x0D43 }, { 0x0D4D, 0x0D4D }, { 0x0DCA, 0x0DCA }, { 0x0DD2, 0x0DD4 }, { 0x0DD6, 0x0DD6 }, { 0x0E31, 0x0E31 }, { 0x0E34, 0x0E3A }, { 0x0E47, 0x0E4E }, { 0x0EB1, 0x0EB1 }, { 0x0EB4, 0x0EB9 }, { 0x0EBB, 0x0EBC }, { 0x0EC8, 0x0ECD }, { 0x0F18, 0x0F19 }, { 0x0F35, 0x0F35 }, { 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 }, { 0x0F71, 0x0F7E }, { 0x0F80, 0x0F84 }, { 0x0F86, 0x0F87 }, { 0x0F90, 0x0F97 }, { 0x0F99, 0x0FBC }, { 0x0FC6, 0x0FC6 }, { 0x102D, 0x1030 }, { 0x1032, 0x1032 }, { 0x1036, 0x1037 }, { 0x1039, 0x1039 }, { 0x1058, 0x1059 }, { 0x1160, 0x11FF }, { 0x135F, 0x135F }, { 0x1712, 0x1714 }, { 0x1732, 0x1734 }, { 0x1752, 0x1753 }, { 0x1772, 0x1773 }, { 0x17B4, 0x17B5 }, { 0x17B7, 0x17BD }, { 0x17C6, 0x17C6 }, { 0x17C9, 0x17D3 }, { 0x17DD, 0x17DD }, { 0x180B, 0x180D }, { 0x18A9, 0x18A9 }, { 0x1920, 0x1922 }, { 0x1927, 0x1928 }, { 0x1932, 0x1932 }, { 0x1939, 0x193B }, { 0x1A17, 0x1A18 }, { 0x1B00, 0x1B03 }, { 0x1B34, 0x1B34 }, { 0x1B36, 0x1B3A }, { 0x1B3C, 0x1B3C }, { 0x1B42, 0x1B42 }, { 0x1B6B, 0x1B73 }, { 0x1DC0, 0x1DCA }, { 0x1DFE, 0x1DFF }, { 0x200B, 0x200F }, { 0x202A, 0x202E }, { 0x2060, 0x2063 }, { 0x206A, 0x206F }, { 0x20D0, 0x20EF }, { 0x302A, 0x302F }, { 0x3099, 0x309A }, { 0xA806, 0xA806 }, { 0xA80B, 0xA80B }, { 0xA825, 0xA826 }, { 0xFB1E, 0xFB1E }, { 0xFE00, 0xFE0F }, { 0xFE20, 0xFE23 }, { 0xFEFF, 0xFEFF }, { 0xFFF9, 0xFFFB }, { 0x10A01, 0x10A03 }, { 0x10A05, 0x10A06 }, { 0x10A0C, 0x10A0F }, { 0x10A38, 0x10A3A }, { 0x10A3F, 0x10A3F }, { 0x1D167, 0x1D169 }, { 0x1D173, 0x1D182 }, { 0x1D185, 0x1D18B }, { 0x1D1AA, 0x1D1AD }, { 0x1D242, 0x1D244 }, { 0xE0001, 0xE0001 }, { 0xE0020, 0xE007F }, { 0xE0100, 0xE01EF } }; /* test for 8-bit control characters */ if (ucs == 0) return 0; if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) return -1; /* binary search in table of non-spacing characters */ if (bisearch(ucs, combining, sizeof(combining) / sizeof(struct interval) - 1)) return 0; /* if we arrive here, ucs is not a combining or C0/C1 control character */ return 1 + (ucs >= 0x1100 && (ucs <= 0x115f || /* Hangul Jamo init. consonants */ ucs == 0x2329 || ucs == 0x232a || (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || /* CJK ... Yi */ (ucs >= 0xac00 && ucs <= 0xd7a3) || /* Hangul Syllables */ (ucs >= 0xf900 && ucs <= 0xfaff) || /* CJK Compatibility Ideographs */ (ucs >= 0xfe10 && ucs <= 0xfe19) || /* Vertical forms */ (ucs >= 0xfe30 && ucs <= 0xfe6f) || /* CJK Compatibility Forms */ (ucs >= 0xff00 && ucs <= 0xff60) || /* Fullwidth Forms */ (ucs >= 0xffe0 && ucs <= 0xffe6) || (ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd))); } int mk_wcswidth(const wchar_t *pwcs, size_t n) { int w, width = 0; for (;*pwcs && n-- > 0; pwcs++) if ((w = mk_wcwidth(*pwcs)) < 0) return -1; else width += w; return width; } /* * The following functions are the same as mk_wcwidth() and * mk_wcswidth(), except that spacing characters in the East Asian * Ambiguous (A) category as defined in Unicode Technical Report #11 * have a column width of 2. This variant might be useful for users of * CJK legacy encodings who want to migrate to UCS without changing * the traditional terminal character-width behaviour. It is not * otherwise recommended for general use. */ int mk_wcwidth_cjk(wchar_t ucs) { /* sorted list of non-overlapping intervals of East Asian Ambiguous * characters, generated by "uniset +WIDTH-A -cat=Me -cat=Mn -cat=Cf c" */ static const struct interval ambiguous[] = { { 0x00A1, 0x00A1 }, { 0x00A4, 0x00A4 }, { 0x00A7, 0x00A8 }, { 0x00AA, 0x00AA }, { 0x00AE, 0x00AE }, { 0x00B0, 0x00B4 }, { 0x00B6, 0x00BA }, { 0x00BC, 0x00BF }, { 0x00C6, 0x00C6 }, { 0x00D0, 0x00D0 }, { 0x00D7, 0x00D8 }, { 0x00DE, 0x00E1 }, { 0x00E6, 0x00E6 }, { 0x00E8, 0x00EA }, { 0x00EC, 0x00ED }, { 0x00F0, 0x00F0 }, { 0x00F2, 0x00F3 }, { 0x00F7, 0x00FA }, { 0x00FC, 0x00FC }, { 0x00FE, 0x00FE }, { 0x0101, 0x0101 }, { 0x0111, 0x0111 }, { 0x0113, 0x0113 }, { 0x011B, 0x011B }, { 0x0126, 0x0127 }, { 0x012B, 0x012B }, { 0x0131, 0x0133 }, { 0x0138, 0x0138 }, { 0x013F, 0x0142 }, { 0x0144, 0x0144 }, { 0x0148, 0x014B }, { 0x014D, 0x014D }, { 0x0152, 0x0153 }, { 0x0166, 0x0167 }, { 0x016B, 0x016B }, { 0x01CE, 0x01CE }, { 0x01D0, 0x01D0 }, { 0x01D2, 0x01D2 }, { 0x01D4, 0x01D4 }, { 0x01D6, 0x01D6 }, { 0x01D8, 0x01D8 }, { 0x01DA, 0x01DA }, { 0x01DC, 0x01DC }, { 0x0251, 0x0251 }, { 0x0261, 0x0261 }, { 0x02C4, 0x02C4 }, { 0x02C7, 0x02C7 }, { 0x02C9, 0x02CB }, { 0x02CD, 0x02CD }, { 0x02D0, 0x02D0 }, { 0x02D8, 0x02DB }, { 0x02DD, 0x02DD }, { 0x02DF, 0x02DF }, { 0x0391, 0x03A1 }, { 0x03A3, 0x03A9 }, { 0x03B1, 0x03C1 }, { 0x03C3, 0x03C9 }, { 0x0401, 0x0401 }, { 0x0410, 0x044F }, { 0x0451, 0x0451 }, { 0x2010, 0x2010 }, { 0x2013, 0x2016 }, { 0x2018, 0x2019 }, { 0x201C, 0x201D }, { 0x2020, 0x2022 }, { 0x2024, 0x2027 }, { 0x2030, 0x2030 }, { 0x2032, 0x2033 }, { 0x2035, 0x2035 }, { 0x203B, 0x203B }, { 0x203E, 0x203E }, { 0x2074, 0x2074 }, { 0x207F, 0x207F }, { 0x2081, 0x2084 }, { 0x20AC, 0x20AC }, { 0x2103, 0x2103 }, { 0x2105, 0x2105 }, { 0x2109, 0x2109 }, { 0x2113, 0x2113 }, { 0x2116, 0x2116 }, { 0x2121, 0x2122 }, { 0x2126, 0x2126 }, { 0x212B, 0x212B }, { 0x2153, 0x2154 }, { 0x215B, 0x215E }, { 0x2160, 0x216B }, { 0x2170, 0x2179 }, { 0x2190, 0x2199 }, { 0x21B8, 0x21B9 }, { 0x21D2, 0x21D2 }, { 0x21D4, 0x21D4 }, { 0x21E7, 0x21E7 }, { 0x2200, 0x2200 }, { 0x2202, 0x2203 }, { 0x2207, 0x2208 }, { 0x220B, 0x220B }, { 0x220F, 0x220F }, { 0x2211, 0x2211 }, { 0x2215, 0x2215 }, { 0x221A, 0x221A }, { 0x221D, 0x2220 }, { 0x2223, 0x2223 }, { 0x2225, 0x2225 }, { 0x2227, 0x222C }, { 0x222E, 0x222E }, { 0x2234, 0x2237 }, { 0x223C, 0x223D }, { 0x2248, 0x2248 }, { 0x224C, 0x224C }, { 0x2252, 0x2252 }, { 0x2260, 0x2261 }, { 0x2264, 0x2267 }, { 0x226A, 0x226B }, { 0x226E, 0x226F }, { 0x2282, 0x2283 }, { 0x2286, 0x2287 }, { 0x2295, 0x2295 }, { 0x2299, 0x2299 }, { 0x22A5, 0x22A5 }, { 0x22BF, 0x22BF }, { 0x2312, 0x2312 }, { 0x2460, 0x24E9 }, { 0x24EB, 0x254B }, { 0x2550, 0x2573 }, { 0x2580, 0x258F }, { 0x2592, 0x2595 }, { 0x25A0, 0x25A1 }, { 0x25A3, 0x25A9 }, { 0x25B2, 0x25B3 }, { 0x25B6, 0x25B7 }, { 0x25BC, 0x25BD }, { 0x25C0, 0x25C1 }, { 0x25C6, 0x25C8 }, { 0x25CB, 0x25CB }, { 0x25CE, 0x25D1 }, { 0x25E2, 0x25E5 }, { 0x25EF, 0x25EF }, { 0x2605, 0x2606 }, { 0x2609, 0x2609 }, { 0x260E, 0x260F }, { 0x2614, 0x2615 }, { 0x261C, 0x261C }, { 0x261E, 0x261E }, { 0x2640, 0x2640 }, { 0x2642, 0x2642 }, { 0x2660, 0x2661 }, { 0x2663, 0x2665 }, { 0x2667, 0x266A }, { 0x266C, 0x266D }, { 0x266F, 0x266F }, { 0x273D, 0x273D }, { 0x2776, 0x277F }, { 0xE000, 0xF8FF }, { 0xFFFD, 0xFFFD }, { 0xF0000, 0xFFFFD }, { 0x100000, 0x10FFFD } }; /* binary search in table of non-spacing characters */ if (bisearch(ucs, ambiguous, sizeof(ambiguous) / sizeof(struct interval) - 1)) return 2; return mk_wcwidth(ucs); } int mk_wcswidth_cjk(const wchar_t *pwcs, size_t n) { int w, width = 0; for (;*pwcs && n-- > 0; pwcs++) if ((w = mk_wcwidth_cjk(*pwcs)) < 0) return -1; else width += w; return width; } #include "vterm.h" bool VTerm::ambiguous_wide = false; s32 VTerm::charWidth(u32 ucs) { return ambiguous_wide ? mk_wcwidth_cjk(ucs) : mk_wcwidth(ucs); } fbterm-1.7/src/mouse.cpp000066400000000000000000000100461145700147300152660ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include "mouse.h" DEFINE_INSTANCE(Mouse) #include "config.h" #ifdef ENABLE_GPM #include #include #include #include #include #include #include #include #include #include "fbshellman.h" #include "fbshell.h" #include "screen.h" static s32 open_gpm(Gpm_Connect *conn) { s8 buf[64]; s32 ret = ttyname_r(STDIN_FILENO, buf, sizeof(buf)); u32 index = strlen(buf) - 1; while (buf[index] >= '0' && buf[index] <= '9') index--; s8 *tail; conn->vc = strtol(buf + index + 1, &tail, 10); if (*tail) return -1; conn->pid = getpid(); s32 gpm_fd = socket(PF_UNIX, SOCK_STREAM, 0); if (gpm_fd == -1) return -1; struct sockaddr_un addr; memset((s8 *)&addr, 0, sizeof(addr)); addr.sun_family = AF_UNIX; strncpy(addr.sun_path, GPM_NODE_CTL, sizeof(addr.sun_path) - 1); #define OFFSET(TYPE, MEMBER) ((size_t)(&(((TYPE *)0)->MEMBER))) u32 len = OFFSET(sockaddr_un, sun_path) + sizeof(GPM_NODE_CTL) - 1; if (len > sizeof(addr)) len = sizeof(addr); if(connect(gpm_fd, (struct sockaddr *)(&addr), len) < 0 || write(gpm_fd, conn, sizeof(*conn)) != sizeof(*conn)) { close(gpm_fd); return -1; } return gpm_fd; } Mouse *Mouse::createInstance() { Gpm_Connect conn; conn.eventMask = ~0; conn.defaultMask = ~GPM_HARD; conn.maxMod = ~0; conn.minMod = 0; s32 fd = open_gpm(&conn); if (fd == -1) return 0; Mouse *mouse = new Mouse(); mouse->setFd(fd); return mouse; } Mouse::Mouse() { x = y = 0; } Mouse::~Mouse() { } void Mouse::readyRead(s8 *buf, u32 len) { if (len % sizeof(Gpm_Event)) return; FbShell *shell = FbShellManager::instance()->activeShell(); if (!shell) return; u16 maxx = Screen::instance()->cols(), maxy = Screen::instance()->rows(); len /= sizeof(Gpm_Event); Gpm_Event *ev = (Gpm_Event *)buf; for (; len--; ev++) { s32 type = -1, buttons = 0; if (ev->wdy) type = Wheel; else if ((ev->type & GPM_MOVE) || (ev->type & GPM_DRAG)) type = Move; else if (ev->type & GPM_DOWN) type = (ev->type & GPM_DOUBLE) ? DblClick : Press; else if (ev->type & GPM_UP) type = Release; if (type == -1) continue; if (ev->buttons & GPM_B_LEFT) buttons |= LeftButton; if (ev->buttons & GPM_B_MIDDLE) buttons |= MidButton; if (ev->buttons & GPM_B_RIGHT) buttons |= RightButton; if (type == Wheel) buttons |= ((ev->wdy < 0) ? WheelDown : WheelUp); if (ev->modifiers & (1 << KG_SHIFT)) buttons |= ShiftButton; if (ev->modifiers & (1 << KG_CTRL)) buttons |= ControlButton; if (ev->modifiers & ((1 << KG_ALT) | (1 << KG_ALTGR))) buttons |= AltButton; s16 newx = (s16)x + ev->dx, newy =(s16)y + ev->dy; if (newx < 0) newx = 0; if (newy < 0) newy = 0; if (newx >= maxx) newx = maxx - 1; if (newy >= maxy) newy = maxy - 1; if (newx == x && newy == y && !(buttons & MouseButtonMask)) continue; shell->mouseInput(newx, newy, type, buttons); x = newx; y = newy; } } void Mouse::switchVc(bool enter) { } #else #include #include #include Mouse *Mouse::createInstance() { return new Mouse(); } Mouse::Mouse() { } Mouse::~Mouse() { } void Mouse::switchVc(bool enter) { ioctl(STDIN_FILENO, KDSETMODE, enter ? KD_GRAPHICS : KD_TEXT); } void Mouse::readyRead(s8 *buf, u32 len) { } #endif fbterm-1.7/src/mouse.h000066400000000000000000000020501145700147300147270ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef MOUSE_H #define MOUSE_H #include "io.h" #include "instance.h" class Mouse : public IoPipe { DECLARE_INSTANCE(Mouse) public: void switchVc(bool enter); private: virtual void readyRead(s8 *buf, u32 len); u16 x, y; }; #endif fbterm-1.7/src/screen.cpp000066400000000000000000000220561145700147300154210ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include #include "screen.h" #include "font.h" #include "fbshellman.h" #include "fbconfig.h" #include "fbdev.h" #include "config.h" #ifdef ENABLE_VESA #include "vesadev.h" #endif #define MIN(a,b) ((a) < (b) ? (a) : (b)) #define MAX(a,b) ((a) > (b) ? (a) : (b)) #define redraw(args...) (FbShellManager::instance()->redraw(args)) static const s8 show_cursor[] = "\e[?25h"; static const s8 hide_cursor[] = "\e[?25l"; static const s8 disable_blank[] = "\e[9;0]"; static const s8 enable_blank[] = "\e[9;10]"; static const s8 clear_screen[] = "\e[2J\e[H"; DEFINE_INSTANCE(Screen) Screen *Screen::createInstance() { if (!Font::instance() || !FW(1) || !FH(1)) { fprintf(stderr, "init font error!\n"); return 0; } Screen *pScreen = 0; #ifdef ENABLE_VESA s8 buf[16]; Config::instance()->getOption("vesa-mode", buf, sizeof(buf)); if (!strcmp(buf, "list")) { VesaDev::printModes(); return 0; } u32 mode = 0; Config::instance()->getOption("vesa-mode", mode); if (!mode) pScreen = FbDev::initFbDev(); if (!pScreen) pScreen = VesaDev::initVesaDev(mode); #else pScreen = FbDev::initFbDev(); #endif if (!pScreen) return 0; if (pScreen->mRotateType == Rotate90 || pScreen->mRotateType == Rotate270) { u32 tmp = pScreen->mWidth; pScreen->mWidth = pScreen->mHeight; pScreen->mHeight = tmp; } if (!pScreen->mCols) pScreen->mCols = pScreen->mWidth / FW(1); if (!pScreen->mRows) pScreen->mRows = pScreen->mHeight / FH(1); if (!pScreen->mCols || !pScreen->mRows) { fprintf(stderr, "font size is too huge!\n"); delete pScreen; return 0; } pScreen->initFillDraw(); return pScreen; } Screen::Screen() { mWidth = mHeight = 0; mCols = mRows = 0; mBitsPerPixel = mBytesPerLine = 0; mScrollEnable = true; mScrollType = Redraw; mOffsetMax = 0; mOffsetCur = 0; mVMemBase = 0; mPalette = 0; u32 type = Rotate0; Config::instance()->getOption("screen-rotate", type); if (type > Rotate270) type = Rotate0; mRotateType = (RotateType)type; s32 ret = write(STDIN_FILENO, hide_cursor, sizeof(hide_cursor) - 1); ret = write(STDIN_FILENO, disable_blank, sizeof(disable_blank) - 1); } Screen::~Screen() { Font::uninstance(); endFillDraw(); s32 ret = write(STDIN_FILENO, show_cursor, sizeof(show_cursor) - 1); ret = write(STDIN_FILENO, enable_blank, sizeof(enable_blank) - 1); ret = write(STDIN_FILENO, clear_screen, sizeof(clear_screen) - 1); } void Screen::showInfo(bool verbose) { if (!verbose) return; static const s8* const scrollstr[4] = { "redraw", "ypan", "ywrap", "xpan" }; printf("[screen] driver: %s, mode: %dx%d-%dbpp, scrolling: %s\n", drvId(), mWidth, mHeight, mBitsPerPixel, scrollstr[mScrollType]); } void Screen::switchVc(bool enter) { mOffsetCur = 0; setupOffset(); setupPalette(!enter); if (enter && mPalette) eraseMargin(true, mRows); } bool Screen::move(u16 scol, u16 srow, u16 dcol, u16 drow, u16 w, u16 h) { if (!mScrollEnable || mScrollType == Redraw || scol != dcol) return false; u16 top = MIN(srow, drow), bot = MAX(srow, drow) + h; u16 left = scol, right = scol + w; u32 noaccel_redraw_area = w * (bot - top - 1); u32 accel_redraw_area = mCols * mRows - w * h; if (noaccel_redraw_area <= accel_redraw_area) return false; if (mRotateType == Rotate0 || mRotateType == Rotate270) mOffsetCur += FH((s32)srow - drow); else mOffsetCur -= FH((s32)srow - drow); bool redraw_all = false; if (mScrollType == YPan || mScrollType == XPan) { redraw_all = true; if (mOffsetCur < 0) mOffsetCur = mOffsetMax; else if ((u32)mOffsetCur > mOffsetMax) mOffsetCur = 0; else redraw_all = false; } else { if (mOffsetCur < 0) mOffsetCur += mOffsetMax + 1; else if ((u32)mOffsetCur > mOffsetMax) mOffsetCur -= mOffsetMax + 1; } setupOffset(); if (top) redraw(0, 0, mCols, top); if (bot < mRows) redraw(0, bot, mCols, mRows - bot); if (left > 0) redraw(0, top, left, bot - top - 1); if (right < mCols) redraw(right, top, mCols - right, bot - top - 1); if (redraw_all) { eraseMargin(true, mRows); } else { eraseMargin(drow > srow, drow > srow ? (drow - srow) : (srow - drow)); } return !redraw_all; } void Screen::eraseMargin(bool top, u16 h) { if (mWidth % FW(1)) { fillRect(FW(mCols), top ? 0 : FH(mRows - h), mWidth % FW(1), FH(h), 0); } if (mHeight % FH(1)) { fillRect(0, FH(mRows), mWidth, mHeight % FH(1), 0); } } void Screen::drawText(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw) { u32 startx, fw = FW(1); u16 startnum, *starttext; bool *startdw, draw_space = false, draw_text = false; for (; num; num--, text++, dw++, x += fw) { if (*text == 0x20) { if (draw_text) { draw_text = false; drawGlyphs(startx, y, fc, bc, startnum - num, starttext, startdw); } if (!draw_space) { draw_space = true; startx = x; } } else { if (draw_space) { draw_space = false; fillRect(startx, y, x - startx, FH(1), bc); } if (!draw_text) { draw_text = true; starttext = text; startdw = dw; startnum = num; startx = x; } if (*dw) x += fw; } } if (draw_text) { drawGlyphs(startx, y, fc, bc, startnum - num, starttext, startdw); } else if (draw_space) { fillRect(startx, y, x - startx, FH(1), bc); } } void Screen::drawGlyphs(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw) { for (; num--; text++, dw++) { drawGlyph(x, y, fc, bc, *text, *dw); x += *dw ? FW(2) : FW(1); } } void Screen::adjustOffset(u32 &x, u32 &y) { if (mScrollType == XPan) x += mOffsetCur; else y += mOffsetCur; } void Screen::fillRect(u32 x, u32 y, u32 w, u32 h, u8 color) { if (x >= mWidth || y >= mHeight || !w || !h) return; if (x + w > mWidth) w = mWidth - x; if (y + h > mHeight) h = mHeight - y; rotateRect(x, y, w, h); adjustOffset(x, y); for (; h--;) { if (mScrollType == YWrap && y > mOffsetMax) y -= mOffsetMax + 1; (this->*fill)(x, y++, w, color); } } void Screen::drawGlyph(u32 x, u32 y, u8 fc, u8 bc, u16 code, bool dw) { if (x >= mWidth || y >= mHeight) return; s32 w = (dw ? FW(2) : FW(1)), h = FH(1); if (x + w > mWidth) w = mWidth - x; if (y + h > mHeight) h = mHeight - y; Font::Glyph *glyph = (Font::Glyph *)Font::instance()->getGlyph(code); if (!glyph) { fillRect(x, y, w, h, bc); return; } s32 top = glyph->top; if (top < 0) top = 0; s32 left = glyph->left; if ((s32)x + left < 0) left = -x; s32 width = glyph->width; if (width > w - left) width = w - left; if ((s32)x + left + width > (s32)mWidth) width = mWidth - ((s32)x + left); if (width < 0) width = 0; s32 height = glyph->height; if (height > h - top) height = h - top; if (y + top + height > mHeight) height = mHeight - (y + top); if (height < 0) height = 0; if (top) fillRect(x, y, w, top, bc); if (left > 0) fillRect(x, y + top, left, height, bc); s32 right = width + left; if (w > right) fillRect((s32)x + right, y + top, w - right, height, bc); s32 bot = top + height; if (h > bot) fillRect(x, y + bot, w, h - bot, bc); x += left; y += top; if (x >= mWidth || y >= mHeight || !width || !height) return; u32 nwidth = width, nheight = height; rotateRect(x, y, nwidth, nheight); u8 *pixmap = glyph->pixmap; u32 wdiff = glyph->width - width, hdiff = glyph->height - height; if (wdiff) { if (mRotateType == Rotate180) pixmap += wdiff; else if (mRotateType == Rotate270) pixmap += wdiff * glyph->pitch; } if (hdiff) { if (mRotateType == Rotate90) pixmap += hdiff; else if (mRotateType == Rotate180) pixmap += hdiff * glyph->pitch; } adjustOffset(x, y); for (; nheight--; y++, pixmap += glyph->pitch) { if ((mScrollType == YWrap) && y > mOffsetMax) y -= mOffsetMax + 1; (this->*draw)(x, y, nwidth, fc, bc, pixmap); } } void Screen::rotateRect(u32 &x, u32 &y, u32 &w, u32 &h) { u32 tmp; switch (mRotateType) { case Rotate0: break; case Rotate90: tmp = x; x = mHeight - y - h; y = tmp; tmp = w; w = h; h = tmp; break; case Rotate180: x = mWidth - x - w; y = mHeight - y - h; break; case Rotate270: tmp = y; y = mWidth - x - w; x = tmp; tmp = w; w = h; h = tmp; break; } } void Screen::rotatePoint(u32 W, u32 H, u32 &x, u32 &y) { u32 tmp; switch (mRotateType) { case Rotate0: break; case Rotate90: tmp = x; x = H - y - 1; y = tmp; break; case Rotate180: x = W - x - 1; y = H - y - 1; break; case Rotate270: tmp = y; y = W - x - 1; x = tmp; break; } } fbterm-1.7/src/screen.h000066400000000000000000000061451145700147300150670ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef SCREEN_H #define SCREEN_H #include "type.h" #include "instance.h" #define NR_COLORS 256 struct Color { u8 red, green, blue; }; typedef enum { Rotate0 = 0, Rotate90, Rotate180, Rotate270 } RotateType; class Screen { DECLARE_INSTANCE(Screen) public : u32 width() { return mWidth; } u32 height() { return mHeight; } u16 cols() { return mCols; } u16 rows() { return mRows; } RotateType rotateType() { return mRotateType; } void rotateRect(u32 &x, u32 &y, u32 &w, u32 &h); void rotatePoint(u32 w, u32 h, u32 &x, u32 &y); void drawText(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw); void fillRect(u32 x, u32 y, u32 w, u32 h, u8 color); bool move(u16 scol, u16 srow, u16 dcol, u16 drow, u16 w, u16 h); void setPalette(const Color *palette); void enableScroll(bool enable) { mScrollEnable = enable; } void showInfo(bool verbose); virtual void switchVc(bool enter); protected: u32 mWidth, mHeight; u16 mCols, mRows; u32 mBitsPerPixel, mBytesPerLine; RotateType mRotateType; typedef enum { Redraw = 0, YPan, YWrap, XPan } ScrollType; ScrollType mScrollType; u32 mOffsetMax; s32 mOffsetCur; u8 *mVMemBase; const Color *mPalette; private: virtual void setupOffset() {} virtual void setupPalette(bool restore) {} virtual const s8 *drvId() = 0; void eraseMargin(bool top, u16 h); void drawGlyphs(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw); void drawGlyph(u32 x, u32 y, u8 fc, u8 bc, u16 code, bool dw); void adjustOffset(u32 &x, u32 &y); void initFillDraw(); void endFillDraw(); void fillX(u32 x, u32 y, u32 w, u8 color); void fillXBg(u32 x, u32 y, u32 w, u8 color); void draw8(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); void draw15(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); void draw16(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); void draw32(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); void draw8Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); void draw15Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); void draw16Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); void draw32Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); typedef void (Screen::*fillFun)(u32 x, u32 y, u32 w, u8 color); typedef void (Screen::*drawFun)(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap); fillFun fill; drawFun draw; bool mScrollEnable; }; #endif fbterm-1.7/src/screen_render.cpp000066400000000000000000000146621145700147300167640ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include "screen.h" #include "fbconfig.h" #define writeb(addr, val) (*(volatile u8 *)(addr) = (val)) #define writew(addr, val) (*(volatile u16 *)(addr) = (val)) #define writel(addr, val) (*(volatile u32 *)(addr) = (val)) static u32 bytes_per_pixel; static u32 ppl, ppw, ppb; static u32 fillColors[NR_COLORS]; static u8 *bgimage_mem; static u8 bgcolor; void Screen::setPalette(const Color *palette) { if (mPalette == palette) return; mPalette = palette; for (u32 i = 0; i < NR_COLORS; i++) { switch (mBitsPerPixel) { case 8: fillColors[i] = (i << 24) | (i << 16) | (i << 8) | i; break; case 15: fillColors[i] = ((palette[i].red >> 3) << 10) | ((palette[i].green >> 3) << 5) | (palette[i].blue >> 3); fillColors[i] |= fillColors[i] << 16; break; case 16: fillColors[i] = ((palette[i].red >> 3) << 11) | ((palette[i].green >> 2) << 5) | (palette[i].blue >> 3); fillColors[i] |= fillColors[i] << 16; break; case 32: fillColors[i] = (palette[i].red << 16) | (palette[i].green << 8) | palette[i].blue; break; } } setupPalette(false); eraseMargin(true, mRows); } void Screen::initFillDraw() { if (mBitsPerPixel == 15) bytes_per_pixel = 2; else bytes_per_pixel = (mBitsPerPixel >> 3); ppl = 4 / bytes_per_pixel; ppw = ppl >> 1; ppb = ppl >> 2; bool bg = false; if (getenv("FBTERM_BACKGROUND_IMAGE")) { bg = true; mScrollType = Redraw; u32 color = 0; Config::instance()->getOption("color-background", color); if (color > 7) color = 0; bgcolor = color; u32 size = mBytesPerLine * ((mRotateType == Rotate0 || mRotateType == Rotate180) ? mHeight : mWidth); bgimage_mem = new u8[size]; memcpy(bgimage_mem, mVMemBase, size); } fill = bg ? &Screen::fillXBg : &Screen::fillX; switch (mBitsPerPixel) { case 8: draw = bg ? &Screen::draw8Bg : &Screen::draw8; break; case 15: draw = bg ? &Screen::draw15Bg : &Screen::draw15; break; case 16: draw = bg ? &Screen::draw16Bg : &Screen::draw16; break; case 32: draw = bg ? &Screen::draw32Bg : &Screen::draw32; break; } } void Screen::endFillDraw() { if (bgimage_mem) delete[] bgimage_mem; } void Screen::fillX(u32 x, u32 y, u32 w, u8 color) { u32 c = fillColors[color]; u8 *dst = mVMemBase + y * mBytesPerLine + x * bytes_per_pixel; // get better performance if write-combining not enabled for video memory for (u32 i = w / ppl; i--; dst += 4) { writel(dst, c); } if (w & ppw) { writew(dst, c); dst += 2; } if (w & ppb) { writeb(dst, c); } } void Screen::fillXBg(u32 x, u32 y, u32 w, u8 color) { if (color == bgcolor) { u32 offset = y * mBytesPerLine + x * bytes_per_pixel; memcpy(mVMemBase + offset, bgimage_mem + offset, w * bytes_per_pixel); } else { fillX(x, y, w, color); } } void Screen::draw8(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap) { bool isfg; u8 *dst = mVMemBase + y * mBytesPerLine + x * bytes_per_pixel; for (; w--; pixmap++, dst++) { isfg = (*pixmap & 0x80); writeb(dst, fillColors[isfg ? fc : bc]); } } void Screen::draw8Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap) { if (bc != bgcolor) { draw8(x, y, w, fc, bc, pixmap); return; } bool isfg; u32 offset = y * mBytesPerLine + x * bytes_per_pixel; u8 *dst = mVMemBase + offset; u8 *bgimg = bgimage_mem + offset; for (; w--; pixmap++, dst++, bgimg++) { isfg = (*pixmap & 0x80); writeb(dst, isfg ? fillColors[fc] : (*bgimg)); } } #define drawX(bits, lred, lgreen, lblue, type, fbwrite) \ \ void Screen::draw##bits(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap) \ { \ u8 red, green, blue; \ u8 pixel; \ type color; \ type *dst = (type *)(mVMemBase + y * mBytesPerLine + x * bytes_per_pixel); \ \ for (; w--; pixmap++, dst++) { \ pixel = *pixmap; \ \ if (!pixel) fbwrite(dst, fillColors[bc]); \ else if (pixel == 0xff) fbwrite(dst, fillColors[fc]); \ else { \ red = mPalette[bc].red + (((mPalette[fc].red - mPalette[bc].red) * pixel) >> 8); \ green = mPalette[bc].green + (((mPalette[fc].green - mPalette[bc].green) * pixel) >> 8); \ blue = mPalette[bc].blue + (((mPalette[fc].blue - mPalette[bc].blue) * pixel) >> 8); \ \ color = ((red >> (8 - lred) << (lgreen + lblue)) | (green >> (8 - lgreen) << lblue) | (blue >> (8 - lblue))); \ fbwrite(dst, color); \ } \ } \ } drawX(15, 5, 5, 5, u16, writew) drawX(16, 5, 6, 5, u16, writew) drawX(32, 8, 8, 8, u32, writel) #define drawXBg(bits, lred, lgreen, lblue, type, fbwrite) \ \ void Screen::draw##bits##Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap) \ { \ if (bc != bgcolor) { \ draw##bits(x, y, w, fc, bc, pixmap); \ return; \ } \ \ u8 red, green, blue; \ u8 redbg, greenbg, bluebg; \ u8 pixel; \ type color; \ \ u32 offset = y * mBytesPerLine + x * bytes_per_pixel; \ type *dst = (type *)(mVMemBase + offset); \ type *bgimg = (type *)(bgimage_mem + offset); \ \ for (; w--; pixmap++, dst++, bgimg++) { \ pixel = *pixmap; \ \ if (!pixel) fbwrite(dst, *bgimg); \ else if (pixel == 0xff) fbwrite(dst, fillColors[fc]); \ else { \ color = *bgimg; \ \ redbg = ((color >> (lgreen + lblue)) & ((1 << lred) - 1)) << (8 - lred); \ greenbg = ((color >> lblue) & ((1 << lgreen) - 1)) << (8 - lgreen); \ bluebg = (color & ((1 << lblue) - 1)) << (8 - lblue); \ \ red = redbg + (((mPalette[fc].red - redbg) * pixel) >> 8); \ green = greenbg + (((mPalette[fc].green - greenbg) * pixel) >> 8); \ blue = bluebg + (((mPalette[fc].blue - bluebg) * pixel) >> 8); \ \ color = ((red >> (8 - lred) << (lgreen + lblue)) | (green >> (8 - lgreen) << lblue) | (blue >> (8 - lblue))); \ fbwrite(dst, color); \ } \ } \ } drawXBg(15, 5, 5, 5, u16, writew) drawXBg(16, 5, 6, 5, u16, writew) drawXBg(32, 8, 8, 8, u32, writel) fbterm-1.7/src/signalfd.h000066400000000000000000000031131145700147300153670ustar00rootroot00000000000000/* Copyright (C) 2007, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _SYS_SIGNALFD_H #define _SYS_SIGNALFD_H 1 #define __need_sigset_t #include #include struct signalfd_siginfo { uint32_t ssi_signo; int32_t ssi_errno; int32_t ssi_code; uint32_t ssi_pid; uint32_t ssi_uid; int32_t ssi_fd; uint32_t ssi_tid; uint32_t ssi_band; uint32_t ssi_overrun; uint32_t ssi_trapno; int32_t ssi_status; int32_t ssi_int; uint64_t ssi_ptr; uint64_t ssi_utime; uint64_t ssi_stime; uint64_t ssi_addr; uint8_t __pad[48]; }; __BEGIN_DECLS /* Request notification for delivery of signals in MASK to be performed using descriptor FD.*/ extern int signalfd (int __fd, const sigset_t *__mask, int __flags) __THROW __nonnull ((2)); __END_DECLS #endif /* sys/signalfd.h */ fbterm-1.7/src/vbe.h000066400000000000000000000077121145700147300143650ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef VBE_H #define VBE_H #define VBE_FUN_GET_INFO 0x4f00 #define VBE_FUN_GET_MODE_INFO 0x4f01 #define VBE_FUN_SET_MODE 0x4f02 #define VBE_FUN_GET_CURRENT_MODE 0x4f03 #define VBE_FUN_SAVE_RESTORE_STATE 0x4f04 #define VBE_FUN_DISPLAY_WIN_CONTROL 0x4f05 #define VBE_FUN_LOGICAL_SCANLINE 0x4f06 #define VBE_FUN_DISPLAY_START 0x4f07 #define VBE_FUN_PALETTE_FORMAT 0x4f08 #define VBE_FUN_PALETTE_DATA 0x4f09 #define VBE_ATTR_MODE_SUPPORTED (1 << 0) #define VBE_ATTR_TTY (1 << 2) #define VBE_ATTR_COLOR (1 << 3) #define VBE_ATTR_GRAPHICS (1 << 4) #define VBE_ATTR_NOT_VGA (1 << 5) #define VBE_ATTR_NOT_WINDOWED (1 << 6) #define VBE_ATTR_LINEAR (1 << 7) #define VBE_MODEL_TEXT 0 #define VBE_MODEL_CGA 1 #define VBE_MODEL_HERCULES 2 #define VBE_MODEL_PLANAR 3 #define VBE_MODEL_PACKED 4 #define VBE_MODEL_256 5 #define VBE_MODEL_RGB 6 #define VBE_MODEL_YUV 7 /* structures for vbe 3.0 */ struct vbe_info_block { char vbe_signature[4]; short vbe_version; unsigned short oem_string_off; unsigned short oem_string_seg; int capabilities; unsigned short video_mode_list_off; unsigned short video_mode_list_seg; short total_memory; short oem_software_rev; unsigned short oem_vendor_name_off; unsigned short oem_vendor_name_seg; unsigned short oem_product_name_off; unsigned short oem_product_name_seg; unsigned short oem_product_rev_off; unsigned short oem_product_rev_seg; char reserved[222]; char oem_data[256]; } __attribute__ ((packed)); struct vbe_mode_info_block { unsigned short mode_attributes; unsigned char win_a_attributes; unsigned char win_b_attributes; unsigned short win_granularity; unsigned short win_size; unsigned short win_a_segment; unsigned short win_b_segment; unsigned short win_func_ptr_off; unsigned short win_func_ptr_seg; unsigned short bytes_per_scanline; unsigned short x_resolution; unsigned short y_resolution; unsigned char x_char_size; unsigned char y_char_size; unsigned char number_of_planes; unsigned char bits_per_pixel; unsigned char number_of_banks; unsigned char memory_model; unsigned char bank_size; unsigned char number_of_image_pages; unsigned char res1; unsigned char red_mask_size; unsigned char red_field_position; unsigned char green_mask_size; unsigned char green_field_position; unsigned char blue_mask_size; unsigned char blue_field_position; unsigned char rsvd_mask_size; unsigned char rsvd_field_position; unsigned char direct_color_mode_info; unsigned int phys_base_ptr; unsigned int offscreen_mem_offset; unsigned short offscreen_mem_size; unsigned short lin_bytes_per_scanline; unsigned char bnk_number_of_image_page; unsigned char lin_number_of_image_pages; unsigned char lin_red_mask_size; unsigned char lin_red_field_position; unsigned char lin_green_mask_size; unsigned char lin_green_field_position; unsigned char lin_blue_mask_size; unsigned char lin_blue_field_position; unsigned char lin_rsvd_mask_size; unsigned char lin_rsvd_field_position; unsigned int max_pixel_clock; unsigned char res2[189]; } __attribute__ ((packed)); struct vbe_palette_entry { unsigned char blue; unsigned char green; unsigned char red; unsigned char align; } __attribute__ ((packed)); #endif fbterm-1.7/src/vesadev.cpp000066400000000000000000000214611145700147300155760ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include "config.h" #ifdef ENABLE_VESA #include #include #include #include #include #include #include extern "C" { #include } #include "vesadev.h" #include "vbe.h" #include "fbterm.h" #define MAX_VIDEO_MEM (16 * 1024 * 1024) #define MIN(a,b) ((a) < (b) ? (a) : (b)) static s16 cur_mode; static vbe_mode_info_block mode_info; static LRMI_regs r; static u32 scanline_width, scanline_height; extern u32 effective_uid; static bool call_bios() { bool success = true; u16 fun = r.eax; if (!LRMI_int(0x10, &r)) success = false; if ((fun >> 8) == 0x4f && (r.eax & 0xffff) != 0x4f) success = false; if (!success) { fprintf(stderr, "call VESA function 0x%x failure!\n", fun); } return success; } static void save_restore_state(bool save) { static void *state_buf; static u32 state_size; static bool saved = false; if (save) { if (saved) return; r.eax = VBE_FUN_SAVE_RESTORE_STATE; r.ecx = 0xf; /* all states */ r.edx = 0; /* get buffer size */ if (!call_bios()) return; state_size = (r.ebx & 0xffff) * 64; state_buf = malloc(state_size); void *buf = LRMI_alloc_real(state_size); r.eax = VBE_FUN_SAVE_RESTORE_STATE; r.ecx = 0xf; /* all states */ r.edx = 1; /* save state */ r.es = (long)buf >> 4; r.ebx = (long)buf & 0xf; if (call_bios()) { saved = true; memcpy(state_buf, buf, state_size); } LRMI_free_real(buf); } else if (saved) { void *buf = LRMI_alloc_real(state_size); memcpy(buf, state_buf, state_size); r.eax = VBE_FUN_SAVE_RESTORE_STATE; r.ecx = 0xf; /* all states */ r.edx = 2; /* restore state */ r.es = (long)buf >> 4; r.ebx = (long)buf & 0xf; call_bios(); LRMI_free_real(buf); } } static void save_restore_mode(bool save) { static s16 mode = -1; if (save) { r.eax = VBE_FUN_GET_CURRENT_MODE; if (call_bios()) mode = r.ebx; } else if (mode != -1) { r.eax = VBE_FUN_SET_MODE; r.ebx = mode; call_bios(); } } // input: mode 0 for auto-detect // return: -1 for failure static s16 get_mode(s16 mode, bool only_print) { seteuid(0); bool ret = (!LRMI_init() || ioperm(0, 1024, 1) || iopl(3)); seteuid(getuid()); if (ret) { fprintf(stderr, "Using VESA requires root privilege\n"); return -1; } vbe_info_block *info = (vbe_info_block *)LRMI_alloc_real(sizeof(*info)); r.eax = VBE_FUN_GET_INFO; r.es = (long)info >> 4; memcpy(info->vbe_signature, "VBE2", 4); if (!call_bios() || strncmp(info->vbe_signature, "VESA", 4) != 0) { fprintf(stderr, "No VESA bios\n"); LRMI_free_real(info); return -1; } s16 *mode_list = (s16*)(info->video_mode_list_seg * 16 + info->video_mode_list_off); vbe_mode_info_block *minfo = (vbe_mode_info_block *)LRMI_alloc_real(sizeof(*minfo)); u32 xres_tmp, yres_tmp, bpp_tmp; s16 mode_tmp = -1; bool valid_mode = false; for (; *mode_list != -1; mode_list++) { r.eax = VBE_FUN_GET_MODE_INFO; r.ecx = *mode_list; r.es = (long)minfo >> 4; if (!call_bios()) continue; if (!(minfo->mode_attributes & VBE_ATTR_MODE_SUPPORTED) || !(minfo->mode_attributes & VBE_ATTR_COLOR) || !(minfo->mode_attributes & VBE_ATTR_GRAPHICS) || !(minfo->mode_attributes & VBE_ATTR_LINEAR)) continue; switch (minfo->bits_per_pixel) { case 8: if (minfo->memory_model != VBE_MODEL_PACKED) continue; break; case 15: case 16: case 32: if (minfo->memory_model != VBE_MODEL_RGB) continue; break; default: continue; } valid_mode = true; if (only_print) { printf("[%d]: %dx%d-%dbpp\n", *mode_list, minfo->x_resolution, minfo->y_resolution, minfo->bits_per_pixel); } else { if (mode) { if (mode == *mode_list) return mode; } else { if ((mode_tmp == -1) || (minfo->x_resolution > xres_tmp && minfo->y_resolution > yres_tmp) || (minfo->x_resolution == xres_tmp && minfo->y_resolution == yres_tmp && minfo->bits_per_pixel > bpp_tmp)) { mode_tmp = *mode_list; xres_tmp = minfo->x_resolution; yres_tmp = minfo->y_resolution; bpp_tmp = minfo->bits_per_pixel; } } } } if (!valid_mode) fprintf(stderr, "can't find a valid VESA mode for your video card\n"); else if (!only_print && mode_tmp == -1) fprintf(stderr, "%d isn't a valid VESA mode for your video card\n", mode); LRMI_free_real(info); LRMI_free_real(minfo); return mode_tmp; } void VesaDev::printModes() { get_mode(0, true); } VesaDev *VesaDev::initVesaDev(s16 mode) { cur_mode = get_mode(mode, false); if (cur_mode == -1) return 0; void *minfo = LRMI_alloc_real(sizeof(mode_info)); r.eax = VBE_FUN_GET_MODE_INFO; r.ecx = cur_mode; r.es = (long)minfo >> 4; call_bios(); memcpy(&mode_info, minfo, sizeof(mode_info)); LRMI_free_real(minfo); cur_mode |= 0x4000; // use linear frame buffer mode return new VesaDev(); } VesaDev::VesaDev() { mWidth = mode_info.x_resolution; mHeight = mode_info.y_resolution; mBitsPerPixel = mode_info.bits_per_pixel; scanline_width = mWidth; scanline_height = mHeight; } VesaDev::~VesaDev() { if (mVMemBase) munmap(mVMemBase, mBytesPerLine * scanline_height); } const s8 *VesaDev::drvId() { return "VESA"; } void VesaDev::switchVc(bool enter) { if (enter) { static bool inited = false; if (!inited) { save_restore_mode(true); save_restore_state(true); } r.eax = VBE_FUN_SET_MODE; r.ebx = cur_mode; call_bios(); r.eax = VBE_FUN_LOGICAL_SCANLINE; r.ebx = 0; // set scan line length in pixels r.ecx = scanline_width; call_bios(); if (!inited) { inited = true; r.eax = VBE_FUN_LOGICAL_SCANLINE; r.ebx = 1; // get scan line length call_bios(); // return ebx: scan line length in bytes // ecx: scan line length in pixels // edx: maximum scan lines mBytesPerLine = r.ebx; initScrollType(); seteuid(0); s32 fd = open("/dev/mem", O_RDWR); seteuid(getuid()); mVMemBase = (u8 *)mmap(0, mBytesPerLine * scanline_height, PROT_READ | PROT_WRITE, MAP_SHARED, fd, mode_info.phys_base_ptr); close(fd); } } else { save_restore_mode(false); save_restore_state(false); } Screen::switchVc(enter); } void VesaDev::initScrollType() { r.eax = VBE_FUN_DISPLAY_START; r.ebx = 0; // set display start r.ecx = 0; // x = 0 r.edx = 0; // y = 0 if (!call_bios()) return; if (mRotateType == Rotate0 || mRotateType == Rotate180) { r.eax = VBE_FUN_LOGICAL_SCANLINE; r.ebx = 1; // get scan line length call_bios(); u32 max_height = MIN(r.edx, MAX_VIDEO_MEM / mBytesPerLine); if (max_height <= mHeight) return; mScrollType = YPan; mOffsetMax = max_height - mHeight; scanline_height = max_height; } else { // mWidth/mHeight has been swapped u32 width = mHeight, height = mWidth; r.eax = VBE_FUN_LOGICAL_SCANLINE; r.ebx = 3; // get maximum scan line length if (!call_bios()) return; u32 max_width = r.ecx; r.eax = VBE_FUN_LOGICAL_SCANLINE; r.ebx = 0; // set scan line length in pixels call_bios(); r.eax = VBE_FUN_LOGICAL_SCANLINE; r.ebx = 1; // get scan line length call_bios(); if (r.ecx <= width || r.edx < height) return; scanline_width = max_width; mScrollType = XPan; mBytesPerLine = r.ebx; mOffsetMax = r.ecx - width; } } void VesaDev::setupOffset() { if (mScrollType != YPan && mScrollType != XPan) return; r.eax = VBE_FUN_DISPLAY_START; r.ebx = 0; // set display start if (mScrollType == YPan) { r.ecx = 0; r.edx = mOffsetCur; } else { r.ecx = mOffsetCur; r.edx = 0; } call_bios(); } void VesaDev::setupPalette(bool restore) { if (mode_info.memory_model != VBE_MODEL_PACKED || restore) return; vbe_palette_entry *buf = (vbe_palette_entry *)LRMI_alloc_real(sizeof(*buf) * NR_COLORS); for (u32 i = 0; i < NR_COLORS; i++) { buf[i].red = mPalette[i].red >> 2; buf[i].green = mPalette[i].green >> 2; buf[i].blue = mPalette[i].blue >> 2; } r.eax = VBE_FUN_PALETTE_DATA; r.ebx = 0; // set palette data r.ecx = NR_COLORS; // number of palette entry r.edx = 0; // first palette entry r.es = (long)buf >> 4; call_bios(); LRMI_free_real(buf); } #endif fbterm-1.7/src/vesadev.h000066400000000000000000000022731145700147300152430ustar00rootroot00000000000000/* * Copyright © 2008-2010 dragchan * This file is part of FbTerm. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef VESADEV_H #define VESADEV_H #include "screen.h" class VesaDev : public Screen { private: friend class Screen; static void printModes(); static VesaDev *initVesaDev(s16 mode); VesaDev(); ~VesaDev(); virtual void setupOffset(); virtual void setupPalette(bool restore); virtual void switchVc(bool enter); virtual const s8 *drvId(); void initScrollType(); }; #endif fbterm-1.7/terminfo/000077500000000000000000000000001145700147300144655ustar00rootroot00000000000000fbterm-1.7/terminfo/Makefile.am000066400000000000000000000000651145700147300165220ustar00rootroot00000000000000EXTRA_DIST = fbterm install-data-local: tic fbterm fbterm-1.7/terminfo/Makefile.in000066400000000000000000000213771145700147300165440ustar00rootroot00000000000000# Makefile.in generated by automake 1.11.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, # Inc. # This Makefile.in is free software; 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