]> icculus.org git repositories - dana/openbox.git/blob - openbox/openbox.c
add resize corners to the bottom corners of the inner client border
[dana/openbox.git] / openbox / openbox.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    openbox.c for the Openbox window manager
4    Copyright (c) 2006        Mikael Magnusson
5    Copyright (c) 2003-2007   Dana Jansens
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "debug.h"
21 #include "openbox.h"
22 #include "session.h"
23 #include "dock.h"
24 #include "modkeys.h"
25 #include "event.h"
26 #include "menu.h"
27 #include "client.h"
28 #include "xerror.h"
29 #include "prop.h"
30 #include "screen.h"
31 #include "actions.h"
32 #include "startupnotify.h"
33 #include "focus.h"
34 #include "focus_cycle.h"
35 #include "focus_cycle_indicator.h"
36 #include "focus_cycle_popup.h"
37 #include "moveresize.h"
38 #include "frame.h"
39 #include "keyboard.h"
40 #include "mouse.h"
41 #include "extensions.h"
42 #include "menuframe.h"
43 #include "grab.h"
44 #include "group.h"
45 #include "config.h"
46 #include "mainloop.h"
47 #include "gettext.h"
48 #include "parser/parse.h"
49 #include "render/render.h"
50 #include "render/theme.h"
51
52 #ifdef HAVE_FCNTL_H
53 #  include <fcntl.h>
54 #endif
55 #ifdef HAVE_SIGNAL_H
56 #  include <signal.h>
57 #endif
58 #ifdef HAVE_STDLIB_H
59 #  include <stdlib.h>
60 #endif
61 #ifdef HAVE_LOCALE_H
62 #  include <locale.h>
63 #endif
64 #ifdef HAVE_SYS_STAT_H
65 #  include <sys/stat.h>
66 #  include <sys/types.h>
67 #endif
68 #ifdef HAVE_SYS_WAIT_H
69 #  include <sys/types.h>
70 #  include <sys/wait.h>
71 #endif
72 #ifdef HAVE_UNISTD_H
73 #  include <unistd.h>
74 #endif
75 #include <errno.h>
76
77 #include <X11/cursorfont.h>
78 #if USE_XCURSOR
79 #include <X11/Xcursor/Xcursor.h>
80 #endif
81
82 #include <X11/Xlib.h>
83 #include <X11/keysym.h>
84
85
86 RrInstance *ob_rr_inst;
87 RrTheme    *ob_rr_theme;
88 ObMainLoop *ob_main_loop;
89 Display    *ob_display;
90 gint        ob_screen;
91 gboolean    ob_replace_wm = FALSE;
92 gboolean    ob_sm_use = TRUE;
93 gchar      *ob_sm_id = NULL;
94 gchar      *ob_sm_save_file = NULL;
95 gboolean    ob_sm_restore = TRUE;
96 gboolean    ob_debug_xinerama = FALSE;
97
98 static ObState   state;
99 static gboolean  xsync = FALSE;
100 static gboolean  reconfigure = FALSE;
101 static gboolean  restart = FALSE;
102 static gchar    *restart_path = NULL;
103 static Cursor    cursors[OB_NUM_CURSORS];
104 static KeyCode   keys[OB_NUM_KEYS];
105 static gint      exitcode = 0;
106 static guint     remote_control = 0;
107 static gboolean  being_replaced = FALSE;
108
109 static void signal_handler(gint signal, gpointer data);
110 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
111 static void parse_env();
112 static void parse_args(gint *argc, gchar **argv);
113 static Cursor load_cursor(const gchar *name, guint fontval);
114
115 gint main(gint argc, gchar **argv)
116 {
117     gchar *program_name;
118
119     state = OB_STATE_STARTING;
120
121     /* initialize the locale */
122     if (!setlocale(LC_ALL, ""))
123         g_message("Couldn't set locale from environment.");
124     bindtextdomain(PACKAGE_NAME, LOCALEDIR);
125     bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
126     textdomain(PACKAGE_NAME);
127
128     if (chdir(g_get_home_dir()) == -1)
129         g_message(_("Unable to change to home directory '%s': %s"),
130                   g_get_home_dir(), g_strerror(errno));
131
132     /* parse the command line args, which can change the argv[0] */
133     parse_args(&argc, argv);
134     /* parse the environment variables */
135     parse_env();
136
137     program_name = g_path_get_basename(argv[0]);
138     g_set_prgname(program_name);
139
140     if (!remote_control) {
141         parse_paths_startup();
142
143         session_startup(argc, argv);
144     }
145
146
147     ob_display = XOpenDisplay(NULL);
148     if (ob_display == NULL)
149         ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
150     if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
151         ob_exit_with_error("Failed to set display as close-on-exec");
152
153     if (remote_control) {
154         prop_startup();
155
156         /* Send client message telling the OB process to:
157          * remote_control = 1 -> reconfigure
158          * remote_control = 2 -> restart */
159         PROP_MSG(RootWindow(ob_display, ob_screen),
160                  ob_control, remote_control, 0, 0, 0);
161         XCloseDisplay(ob_display);
162         exit(EXIT_SUCCESS);
163     }
164
165     ob_main_loop = ob_main_loop_new(ob_display);
166
167     /* set up signal handler */
168     ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
169     ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
170     ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
171     ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
172     ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
173     ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
174     ob_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL, NULL);
175
176     ob_screen = DefaultScreen(ob_display);
177
178     ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
179     if (ob_rr_inst == NULL)
180         ob_exit_with_error(_("Failed to initialize the obrender library."));
181
182     XSynchronize(ob_display, xsync);
183
184     /* check for locale support */
185     if (!XSupportsLocale())
186         g_message(_("X server does not support locale."));
187     if (!XSetLocaleModifiers(""))
188         g_message(_("Cannot set locale modifiers for the X server."));
189
190     /* set our error handler */
191     XSetErrorHandler(xerror_handler);
192
193     /* set the DISPLAY environment variable for any lauched children, to the
194        display we're using, so they open in the right place. */
195     putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
196
197     /* create available cursors */
198     cursors[OB_CURSOR_NONE] = None;
199     cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
200     cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr);
201     cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch);
202     cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
203     cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
204     cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
205                                                XC_top_right_corner);
206     cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
207     cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
208                                                XC_bottom_right_corner);
209     cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
210     cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
211                                                XC_bottom_left_corner);
212     cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
213     cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
214                                                XC_top_left_corner);
215
216
217     prop_startup(); /* get atoms values for the display */
218     extensions_query_all(); /* find which extensions are present */
219
220     if (screen_annex()) { /* it will be ours! */
221         do {
222             modkeys_startup(reconfigure);
223
224             /* get the keycodes for keys we use */
225             keys[OB_KEY_RETURN] = modkeys_sym_to_code(XK_Return);
226             keys[OB_KEY_ESCAPE] = modkeys_sym_to_code(XK_Escape);
227             keys[OB_KEY_LEFT] = modkeys_sym_to_code(XK_Left);
228             keys[OB_KEY_RIGHT] = modkeys_sym_to_code(XK_Right);
229             keys[OB_KEY_UP] = modkeys_sym_to_code(XK_Up);
230             keys[OB_KEY_DOWN] = modkeys_sym_to_code(XK_Down);
231
232             {
233                 ObParseInst *i;
234                 xmlDocPtr doc;
235                 xmlNodePtr node;
236
237                 /* startup the parsing so everything can register sections
238                    of the rc */
239                 i = parse_startup();
240
241                 /* register all the available actions */
242                 actions_startup(reconfigure);
243                 /* start up config which sets up with the parser */
244                 config_startup(i);
245
246                 /* parse/load user options */
247                 if (parse_load_rc(NULL, &doc, &node)) {
248                     parse_tree(i, doc, node->xmlChildrenNode);
249                     parse_close(doc);
250                 } else
251                     g_message(_("Unable to find a valid config file, using some simple defaults"));
252
253 /*
254                 if (config_type != NULL)
255                     PROP_SETS(RootWindow(ob_display, ob_screen),
256                               ob_config, config_type);
257 */
258
259                 /* we're done with parsing now, kill it */
260                 parse_shutdown(i);
261             }
262
263             /* load the theme specified in the rc file */
264             {
265                 RrTheme *theme;
266                 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
267                                         config_font_activewindow,
268                                         config_font_inactivewindow,
269                                         config_font_menutitle,
270                                         config_font_menuitem,
271                                         config_font_osd)))
272                 {
273                     RrThemeFree(ob_rr_theme);
274                     ob_rr_theme = theme;
275                 }
276                 if (ob_rr_theme == NULL)
277                     ob_exit_with_error(_("Unable to load a theme."));
278
279                 PROP_SETS(RootWindow(ob_display, ob_screen),
280                           ob_theme, ob_rr_theme->name);
281             }
282
283             if (reconfigure) {
284                 GList *it;
285
286                 /* update all existing windows for the new theme */
287                 for (it = client_list; it; it = g_list_next(it)) {
288                     ObClient *c = it->data;
289                     frame_adjust_theme(c->frame);
290                 }
291             }
292             event_startup(reconfigure);
293             /* focus_backup is used for stacking, so this needs to come before
294                anything that calls stacking_add */
295             focus_startup(reconfigure);
296             focus_cycle_startup(reconfigure);
297             focus_cycle_indicator_startup(reconfigure);
298             focus_cycle_popup_startup(reconfigure);
299             window_startup(reconfigure);
300             sn_startup(reconfigure);
301             screen_startup(reconfigure);
302             grab_startup(reconfigure);
303             group_startup(reconfigure);
304             client_startup(reconfigure);
305             dock_startup(reconfigure);
306             moveresize_startup(reconfigure);
307             keyboard_startup(reconfigure);
308             mouse_startup(reconfigure);
309             menu_frame_startup(reconfigure);
310             menu_startup(reconfigure);
311
312             if (!reconfigure) {
313                 guint32 xid;
314                 ObWindow *w;
315
316                 /* get all the existing windows */
317                 client_manage_all();
318                 focus_nothing();
319
320                 /* focus what was focused if a wm was already running */
321                 if (PROP_GET32(RootWindow(ob_display, ob_screen),
322                                net_active_window, window, &xid) &&
323                     (w = g_hash_table_lookup(window_map, &xid)) &&
324                     WINDOW_IS_CLIENT(w))
325                 {
326                     client_focus(WINDOW_AS_CLIENT(w));
327                 }
328             } else {
329                 GList *it;
330
331                 /* redecorate all existing windows */
332                 for (it = client_list; it; it = g_list_next(it)) {
333                     ObClient *c = it->data;
334
335                     /* the new config can change the window's decorations */
336                     client_setup_decor_and_functions(c, FALSE);
337                     /* redraw the frames */
338                     frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
339                     /* the decor sizes may have changed, so the windows may
340                        end up in new positions */
341                     client_reconfigure(c, FALSE);
342                 }
343             }
344
345             reconfigure = FALSE;
346
347             state = OB_STATE_RUNNING;
348             ob_main_loop_run(ob_main_loop);
349             state = OB_STATE_EXITING;
350
351             if (!reconfigure) {
352                 dock_remove_all();
353                 client_unmanage_all();
354             }
355
356             menu_shutdown(reconfigure);
357             menu_frame_shutdown(reconfigure);
358             mouse_shutdown(reconfigure);
359             keyboard_shutdown(reconfigure);
360             moveresize_shutdown(reconfigure);
361             dock_shutdown(reconfigure);
362             client_shutdown(reconfigure);
363             group_shutdown(reconfigure);
364             grab_shutdown(reconfigure);
365             screen_shutdown(reconfigure);
366             focus_cycle_popup_shutdown(reconfigure);
367             focus_cycle_indicator_shutdown(reconfigure);
368             focus_cycle_shutdown(reconfigure);
369             focus_shutdown(reconfigure);
370             sn_shutdown(reconfigure);
371             window_shutdown(reconfigure);
372             event_shutdown(reconfigure);
373             config_shutdown();
374             actions_shutdown(reconfigure);
375             modkeys_shutdown(reconfigure);
376         } while (reconfigure);
377     }
378
379     XSync(ob_display, FALSE);
380
381     RrThemeFree(ob_rr_theme);
382     RrInstanceFree(ob_rr_inst);
383
384     session_shutdown(being_replaced);
385
386     XCloseDisplay(ob_display);
387
388     parse_paths_shutdown();
389
390     if (restart) {
391         if (restart_path != NULL) {
392             gint argcp;
393             gchar **argvp;
394             GError *err = NULL;
395
396             /* run other window manager */
397             if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
398                 execvp(argvp[0], argvp);
399                 g_strfreev(argvp);
400             } else {
401                 g_message(
402                     _("Restart failed to execute new executable '%s': %s"),
403                     restart_path, err->message);
404                 g_error_free(err);
405             }
406         }
407
408         /* we remove the session arguments from argv, so put them back,
409            also don't restore the session on restart */
410         if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
411             gchar **nargv;
412             gint i, l;
413
414             l = argc + 1 +
415                 (ob_sm_save_file != NULL ? 2 : 0) +
416                 (ob_sm_id != NULL ? 2 : 0);
417             nargv = g_new0(gchar*, l+1);
418             for (i = 0; i < argc; ++i)
419                 nargv[i] = argv[i];
420
421             if (ob_sm_save_file != NULL) {
422                 nargv[i++] = g_strdup("--sm-save-file");
423                 nargv[i++] = ob_sm_save_file;
424             }
425             if (ob_sm_id != NULL) {
426                 nargv[i++] = g_strdup("--sm-client-id");
427                 nargv[i++] = ob_sm_id;
428             }
429             nargv[i++] = g_strdup("--sm-no-load");
430             g_assert(i == l);
431             argv = nargv;
432         }
433
434         /* re-run me */
435         execvp(argv[0], argv); /* try how we were run */
436         execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
437     }
438
439     /* free stuff passed in from the command line or environment */
440     g_free(ob_sm_save_file);
441     g_free(ob_sm_id);
442     g_free(program_name);
443
444     return exitcode;
445 }
446
447 static void signal_handler(gint signal, gpointer data)
448 {
449     switch (signal) {
450     case SIGUSR1:
451         ob_debug("Caught signal %d. Restarting.\n", signal);
452         ob_restart();
453         break;
454     case SIGUSR2:
455         ob_debug("Caught signal %d. Reconfiguring.\n", signal);
456         ob_reconfigure();
457         break;
458     case SIGCHLD:
459         /* reap children */
460         while (waitpid(-1, NULL, WNOHANG) > 0);
461         break;
462     default:
463         ob_debug("Caught signal %d. Exiting.\n", signal);
464         /* TERM and INT return a 0 code */
465         ob_exit(!(signal == SIGTERM || signal == SIGINT));
466     }
467 }
468
469 static void print_version()
470 {
471     g_print("Openbox %s\n", PACKAGE_VERSION);
472     g_print(_("Copyright (c)"));
473     g_print(" 2007        Mikael Magnusson\n");
474     g_print(_("Copyright (c)"));
475     g_print(" 2003-2007   Dana Jansens\n\n");
476     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
477     g_print("This is free software, and you are welcome to redistribute it\n");
478     g_print("under certain conditions. See the file COPYING for details.\n\n");
479 }
480
481 static void print_help()
482 {
483     g_print(_("Syntax: openbox [options]\n"));
484     g_print(_("\nOptions:\n"));
485     g_print(_("  --help              Display this help and exit\n"));
486     g_print(_("  --version           Display the version and exit\n"));
487     g_print(_("  --replace           Replace the currently running window manager\n"));
488     g_print(_("  --sm-disable        Disable connection to the session manager\n"));
489     g_print(_("\nPassing messages to a running Openbox instance:\n"));
490     g_print(_("  --reconfigure       Reload Openbox's configuration\n"));
491     g_print(_("  --restart           Restart Openbox\n"));
492     g_print(_("\nDebugging options:\n"));
493     g_print(_("  --sync              Run in synchronous mode\n"));
494     g_print(_("  --debug             Display debugging output\n"));
495     g_print(_("  --debug-focus       Display debugging output for focus handling\n"));
496     g_print(_("  --debug-xinerama    Split the display into fake xinerama screens\n"));
497     g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
498 }
499
500 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
501 {
502     gint i;
503
504     for (i = index; i < *argc - num; ++i)
505         argv[i] = argv[i+num];
506     for (; i < *argc; ++i)
507         argv[i] = NULL;
508     *argc -= num;
509 }
510
511 static void parse_env()
512 {
513     /* unset this so we don't pass it on unknowingly */
514     unsetenv("DESKTOP_STARTUP_ID");
515 }
516
517 static void parse_args(gint *argc, gchar **argv)
518 {
519     gint i;
520
521     for (i = 1; i < *argc; ++i) {
522         if (!strcmp(argv[i], "--version")) {
523             print_version();
524             exit(0);
525         }
526         else if (!strcmp(argv[i], "--help")) {
527             print_help();
528             exit(0);
529         }
530         else if (!strcmp(argv[i], "--g-fatal-warnings")) {
531             g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
532         }
533         else if (!strcmp(argv[i], "--replace")) {
534             ob_replace_wm = TRUE;
535             remove_args(argc, argv, i, 1);
536             --i; /* this arg was removed so go back */
537         }
538         else if (!strcmp(argv[i], "--sync")) {
539             xsync = TRUE;
540         }
541         else if (!strcmp(argv[i], "--debug")) {
542             ob_debug_show_output(TRUE);
543             ob_debug_enable(OB_DEBUG_SM, TRUE);
544             ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
545         }
546         else if (!strcmp(argv[i], "--debug-focus")) {
547             ob_debug_show_output(TRUE);
548             ob_debug_enable(OB_DEBUG_SM, TRUE);
549             ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
550             ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
551         }
552         else if (!strcmp(argv[i], "--debug-xinerama")) {
553             ob_debug_xinerama = TRUE;
554         }
555         else if (!strcmp(argv[i], "--reconfigure")) {
556             remote_control = 1;
557         } else if (!strcmp(argv[i], "--restart")) {
558             remote_control = 2;
559         }
560         else if (!strcmp(argv[i], "--sm-save-file")) {
561             if (i == *argc - 1) /* no args left */
562                 /* not translated cuz it's sekret */
563                 g_printerr("--sm-save-file requires an argument\n");
564             else {
565                 ob_sm_save_file = g_strdup(argv[i+1]);
566                 remove_args(argc, argv, i, 2);
567                 --i; /* this arg was removed so go back */
568                 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s\n",
569                               ob_sm_save_file);
570             }
571         }
572         else if (!strcmp(argv[i], "--sm-client-id")) {
573             if (i == *argc - 1) /* no args left */
574                 /* not translated cuz it's sekret */
575                 g_printerr("--sm-client-id requires an argument\n");
576             else {
577                 ob_sm_id = g_strdup(argv[i+1]);
578                 remove_args(argc, argv, i, 2);
579                 --i; /* this arg was removed so go back */
580                 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s\n", ob_sm_id);
581             }
582         }
583         else if (!strcmp(argv[i], "--sm-disable")) {
584             ob_sm_use = FALSE;
585         }
586         else if (!strcmp(argv[i], "--sm-no-load")) {
587             ob_sm_restore = FALSE;
588             remove_args(argc, argv, i, 1);
589             --i; /* this arg was removed so go back */
590         }
591         else {
592             /* this is a memleak.. oh well.. heh */
593             gchar *err = g_strdup_printf
594                 (_("Invalid command line argument '%s'\n"), argv[i]);
595             ob_exit_with_error(err);
596         }
597     }
598 }
599
600 static Cursor load_cursor(const gchar *name, guint fontval)
601 {
602     Cursor c = None;
603
604 #if USE_XCURSOR
605     c = XcursorLibraryLoadCursor(ob_display, name);
606 #endif
607     if (c == None)
608         c = XCreateFontCursor(ob_display, fontval);
609     return c;
610 }
611
612 void ob_exit_with_error(const gchar *msg)
613 {
614     g_message(msg);
615     session_shutdown(TRUE);
616     exit(EXIT_FAILURE);
617 }
618
619 void ob_restart_other(const gchar *path)
620 {
621     restart_path = g_strdup(path);
622     ob_restart();
623 }
624
625 void ob_restart()
626 {
627     restart = TRUE;
628     ob_exit(0);
629 }
630
631 void ob_reconfigure()
632 {
633     reconfigure = TRUE;
634     ob_exit(0);
635 }
636
637 void ob_exit(gint code)
638 {
639     exitcode = code;
640     ob_main_loop_exit(ob_main_loop);
641 }
642
643 void ob_exit_replace()
644 {
645     exitcode = 0;
646     being_replaced = TRUE;
647     ob_main_loop_exit(ob_main_loop);
648 }
649
650 Cursor ob_cursor(ObCursor cursor)
651 {
652     g_assert(cursor < OB_NUM_CURSORS);
653     return cursors[cursor];
654 }
655
656 KeyCode ob_keycode(ObKey key)
657 {
658     g_assert(key < OB_NUM_KEYS);
659     return keys[key];
660 }
661
662 ObState ob_state()
663 {
664     return state;
665 }