This change adds the display(1) graphical user interface and desktop environment with basic windowing support and the graphical terminal(1) emulator along with integrations in chkblayout(1), chvideomode(1), sysinstall(8), sysupgrade(8), as well as the games and ports. Adopt the Aurora procedural wallpaper in display(1) and login(8). Remove the obsolete dispd. Juhani contributed keyboard and video mode APIs to the display protocol and other miscellaneous changes. dzwdz contributed the initial functioning window buttons, improved title bar, window tiling, and minor bug fixes Co-authored-by: Juhani Krekelä <juhani@krekelä.fi> Co-authored-by: dzwdz <kg67199@gmail.com>
145 lines
3.7 KiB
C
145 lines
3.7 KiB
C
/*
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* Copyright (c) 2013, 2015, 2016, 2021 Jonas 'Sortie' Termansen.
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* Copyright (c) 2021 Juhani 'nortti' Krekelä.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* command-not-found.c
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* Writes a notice that the attempted command wasn't found and suggests
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* possible altetnatives.
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*/
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define ARRAY_LENGTH(array) (sizeof(array) / sizeof((array)[0]))
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static void suggest_logout(void)
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{
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if ( getenv("DISPLAY_SOCKET") )
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fprintf(stderr, " Pressing Ctrl-Alt-Del to exit desktop.\n");
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else
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fprintf(stderr, " Exiting your shell normally to logout.\n");
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}
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enum category
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{
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NONE,
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BROWSER,
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EDITOR,
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LOGOUT,
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MOUNT,
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PAGER,
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POWEROFF,
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RW,
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SHELL,
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UNMOUNT,
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};
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struct command
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{
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enum category category;
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const char* command;
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const char* package;
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void (*suggest)(void);
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};
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struct command commands[] =
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{
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{BROWSER, "chromium", NULL, NULL},
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{BROWSER, "chromium-browser", NULL, NULL},
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{BROWSER, "elinks", NULL, NULL},
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{BROWSER, "firefox", NULL, NULL},
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{BROWSER, "links", "links", NULL},
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{BROWSER, "lynx", NULL, NULL},
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{BROWSER, "w3m", NULL, NULL},
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{BROWSER, "www-browser", NULL, NULL},
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{BROWSER, "x-www-browser", NULL, NULL},
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{EDITOR, "ed", "ed", NULL},
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{EDITOR, "editor", "system", NULL},
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{EDITOR, "emacs", "emacs", NULL},
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{EDITOR, "nano", "nano", NULL},
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{EDITOR, "vim", "vim", NULL},
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{EDITOR, "vi", NULL, NULL},
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{LOGOUT, "logoff", NULL, NULL},
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{LOGOUT, "logout", NULL, suggest_logout},
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{MOUNT, "extfs", "system", NULL},
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{MOUNT, "mount", NULL, NULL},
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{PAGER, "less", NULL, NULL},
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{PAGER, "more", NULL, NULL},
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{PAGER, "pager", "system", NULL},
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{POWEROFF, "poweroff", "system", NULL},
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{POWEROFF, "shutdown", NULL, NULL},
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{RW, "dd", NULL, NULL},
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{RW, "rw", "system", NULL},
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{SHELL, "bash", NULL, NULL},
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{SHELL, "dash", "dash", NULL},
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{SHELL, "ksh", NULL, NULL},
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{SHELL, "sh", "system", NULL},
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{SHELL, "zsh", NULL, NULL},
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{UNMOUNT, "umount", NULL, NULL},
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{UNMOUNT, "unmount", "system", NULL},
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};
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static enum category find_category(const char* filename)
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{
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for ( size_t i = 0; i < ARRAY_LENGTH(commands); i++ )
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{
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if ( commands[i].command && !strcmp(filename, commands[i].command) )
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return commands[i].category;
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}
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return NONE;
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}
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int main(int argc, char* argv[])
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{
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const char* filename = 2 <= argc ? argv[1] : argv[0];
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enum category category = find_category(filename);
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if ( category != NONE )
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{
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fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
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for ( size_t i = 0; i < ARRAY_LENGTH(commands); i++ )
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{
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if ( !commands[i].package && !commands[i].suggest )
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continue;
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else if ( commands[i].category == category )
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{
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if ( commands[i].suggest )
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commands[i].suggest();
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else if ( !strcmp(commands[i].package, "system") )
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fprintf(stderr, " Command '%s' from the base system\n",
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commands[i].command);
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else
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fprintf(stderr, " Command '%s' from the package '%s'\n",
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commands[i].command, commands[i].package);
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}
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}
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}
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fprintf(stderr, "%s: command not found\n", filename);
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return 127;
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}
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