Make wmaker XRandR aware
[wmaker-crm.git] / src / main.c
blob5833a1181a2b91a0b3ced77e408a73a466ae4232
1 /*
2 * Window Maker window manager
4 * Copyright (c) 1997-2003 Alfredo K. Kojima
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19 * USA.
22 #include "wconfig.h"
24 #ifdef HAVE_INOTIFY
25 #include <sys/inotify.h>
26 #endif
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <unistd.h>
31 #include <string.h>
32 #include <sys/stat.h>
33 #include <sys/types.h>
34 #include <fcntl.h>
36 #include <X11/Xlib.h>
37 #include <X11/Xutil.h>
39 /* Xlocale.h and locale.h are the same if X_LOCALE is undefind in wconfig.h,
40 * and if X_LOCALE is defined, X's locale emulating functions will be used.
41 * See Xlocale.h for more information.
43 #include <X11/Xlocale.h>
45 #define MAINFILE
47 #include "WindowMaker.h"
48 #include "window.h"
49 #include "funcs.h"
50 #include "menu.h"
51 #include "keybind.h"
52 #include "xmodifier.h"
53 #include "session.h"
54 #include "dialog.h"
56 #include <WINGs/WUtil.h>
58 #ifndef GLOBAL_DEFAULTS_SUBDIR
59 #define GLOBAL_DEFAULTS_SUBDIR "WindowMaker"
60 #endif
62 /****** Global Variables ******/
64 /* general info */
66 Display *dpy;
68 char *ProgName;
70 unsigned int ValidModMask = 0xff;
72 #ifdef HAVE_INOTIFY
73 int inotifyFD;
74 int inotifyWD;
75 #endif
76 /* locale to use. NULL==POSIX or C */
77 char *Locale = NULL;
79 int wScreenCount = 0;
81 WPreferences wPreferences;
83 WMPropList *wDomainName;
84 WMPropList *wAttributeDomainName;
86 WShortKey wKeyBindings[WKBD_LAST];
88 /* defaults domains */
89 WDDomain *WDWindowMaker = NULL;
90 WDDomain *WDWindowAttributes = NULL;
91 WDDomain *WDRootMenu = NULL;
93 /* XContexts */
94 XContext wWinContext;
95 XContext wAppWinContext;
96 XContext wStackContext;
97 XContext wVEdgeContext;
99 /* Atoms */
100 Atom _XA_WM_STATE;
101 Atom _XA_WM_CHANGE_STATE;
102 Atom _XA_WM_PROTOCOLS;
103 Atom _XA_WM_TAKE_FOCUS;
104 Atom _XA_WM_DELETE_WINDOW;
105 Atom _XA_WM_SAVE_YOURSELF;
106 Atom _XA_WM_CLIENT_LEADER;
107 Atom _XA_WM_COLORMAP_WINDOWS;
108 Atom _XA_WM_COLORMAP_NOTIFY;
110 Atom _XA_GNUSTEP_WM_ATTR;
111 Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW;
112 Atom _XA_GNUSTEP_WM_RESIZEBAR;
113 Atom _XA_GNUSTEP_TITLEBAR_STATE;
115 Atom _XA_WINDOWMAKER_MENU;
116 Atom _XA_WINDOWMAKER_WM_PROTOCOLS;
117 Atom _XA_WINDOWMAKER_STATE;
119 Atom _XA_WINDOWMAKER_WM_FUNCTION;
120 Atom _XA_WINDOWMAKER_NOTICEBOARD;
121 Atom _XA_WINDOWMAKER_COMMAND;
123 Atom _XA_WINDOWMAKER_ICON_SIZE;
124 Atom _XA_WINDOWMAKER_ICON_TILE;
126 Atom _XA_WM_IGNORE_FOCUS_EVENTS;
128 /* cursors */
129 Cursor wCursor[WCUR_LAST];
131 /* last event timestamp for XSetInputFocus */
132 Time LastTimestamp = CurrentTime;
133 /* timestamp on the last time we did XSetInputFocus() */
134 Time LastFocusChange = CurrentTime;
136 #ifdef SHAPE
137 Bool wShapeSupported;
138 int wShapeEventBase;
139 #endif
141 #ifdef KEEP_XKB_LOCK_STATUS
142 Bool wXkbSupported;
143 int wXkbEventBase;
144 #endif
146 #ifdef HAVE_XRANDR
147 Bool has_randr;
148 int randr_event_base;
149 #endif
151 /* special flags */
152 char WProgramSigState = 0;
153 char WProgramState = WSTATE_NORMAL;
154 char WDelayedActionSet = 0;
156 /* notifications */
157 const char *WMNManaged = "WMNManaged";
158 const char *WMNUnmanaged = "WMNUnmanaged";
159 const char *WMNChangedWorkspace = "WMNChangedWorkspace";
160 const char *WMNChangedState = "WMNChangedState";
161 const char *WMNChangedFocus = "WMNChangedFocus";
162 const char *WMNChangedStacking = "WMNChangedStacking";
163 const char *WMNChangedName = "WMNChangedName";
165 const char *WMNWorkspaceCreated = "WMNWorkspaceCreated";
166 const char *WMNWorkspaceDestroyed = "WMNWorkspaceDestroyed";
167 const char *WMNWorkspaceChanged = "WMNWorkspaceChanged";
168 const char *WMNWorkspaceNameChanged = "WMNWorkspaceNameChanged";
170 const char *WMNResetStacking = "WMNResetStacking";
172 /******** End Global Variables *****/
174 static char *DisplayName = NULL;
176 static char **Arguments;
178 static int ArgCount;
180 extern void EventLoop();
181 extern void StartUp();
182 extern int MonitorLoop(int argc, char **argv);
184 static Bool multiHead = True;
186 static int *wVisualID = NULL;
187 static int wVisualID_len = 0;
189 static int real_main(int argc, char **argv);
191 int getWVisualID(int screen)
193 if (wVisualID == NULL)
194 return -1;
195 if (screen < 0 || screen >= wVisualID_len)
196 return -1;
198 return wVisualID[screen];
201 static void setWVisualID(int screen, int val)
203 int i;
205 if (screen < 0)
206 return;
208 if (wVisualID == NULL) {
209 /* no array at all, alloc space for screen + 1 entries
210 * and init with default value */
211 wVisualID_len = screen + 1;
212 wVisualID = (int *)malloc(wVisualID_len * sizeof(int));
213 for (i = 0; i < wVisualID_len; i++) {
214 wVisualID[i] = -1;
216 } else if (screen >= wVisualID_len) {
217 /* larger screen number than previously allocated
218 so enlarge array */
219 int oldlen = wVisualID_len;
221 wVisualID_len = screen + 1;
222 wVisualID = (int *)realloc(wVisualID, wVisualID_len * sizeof(int));
223 for (i = oldlen; i < wVisualID_len; i++) {
224 wVisualID[i] = -1;
228 wVisualID[screen] = val;
232 * this function splits a given string at the comma into tokens
233 * and set the wVisualID variable to each parsed number
235 static int initWVisualID(const char *user_str)
237 char *mystr = strdup(user_str);
238 int cur_in_pos = 0;
239 int cur_out_pos = 0;
240 int cur_screen = 0;
241 int error_found = 0;
243 for (;;) {
244 /* check for delimiter */
245 if (user_str[cur_in_pos] == '\0' || user_str[cur_in_pos] == ',') {
246 int v;
248 mystr[cur_out_pos] = '\0';
250 if (sscanf(mystr, "%i", &v) != 1) {
251 error_found = 1;
252 break;
255 setWVisualID(cur_screen, v);
257 cur_screen++;
258 cur_out_pos = 0;
261 /* break in case last char has been consumed */
262 if (user_str[cur_in_pos] == '\0')
263 break;
265 /* if the current char is no delimiter put it into mystr */
266 if (user_str[cur_in_pos] != ',') {
267 mystr[cur_out_pos++] = user_str[cur_in_pos];
269 cur_in_pos++;
272 free(mystr);
274 if (cur_screen == 0||error_found != 0)
275 return 1;
277 return 0;
280 void Exit(int status)
282 if (dpy)
283 XCloseDisplay(dpy);
285 exit(status);
288 void Restart(char *manager, Bool abortOnFailure)
290 char *prog = NULL;
291 char *argv[MAX_RESTART_ARGS];
292 int i;
294 if (manager && manager[0] != 0) {
295 prog = argv[0] = strtok(manager, " ");
296 for (i = 1; i < MAX_RESTART_ARGS; i++) {
297 argv[i] = strtok(NULL, " ");
298 if (argv[i] == NULL) {
299 break;
303 if (dpy) {
304 XCloseDisplay(dpy);
305 dpy = NULL;
307 if (!prog) {
308 execvp(Arguments[0], Arguments);
309 wfatal(_("failed to restart Window Maker."));
310 } else {
311 execvp(prog, argv);
312 wsyserror(_("could not exec %s"), prog);
314 if (abortOnFailure)
315 exit(7);
318 void SetupEnvironment(WScreen * scr)
320 char *tmp, *ptr;
321 char buf[16];
323 if (multiHead) {
324 int len = strlen(DisplayName) + 64;
325 tmp = wmalloc(len);
326 snprintf(tmp, len, "DISPLAY=%s", XDisplayName(DisplayName));
327 ptr = strchr(strchr(tmp, ':'), '.');
328 if (ptr)
329 *ptr = 0;
330 snprintf(buf, sizeof(buf), ".%i", scr->screen);
331 strcat(tmp, buf);
332 putenv(tmp);
334 tmp = wmalloc(60);
335 snprintf(tmp, 60, "WRASTER_COLOR_RESOLUTION%i=%i", scr->screen,
336 scr->rcontext->attribs->colors_per_channel);
337 putenv(tmp);
340 typedef struct {
341 WScreen *scr;
342 char *command;
343 } _tuple;
345 static void shellCommandHandler(pid_t pid, unsigned char status, _tuple * data)
347 if (status == 127) {
348 char *buffer;
350 buffer = wstrconcat(_("Could not execute command: "), data->command);
352 wMessageDialog(data->scr, _("Error"), buffer, _("OK"), NULL, NULL);
353 wfree(buffer);
354 } else if (status != 127) {
356 printf("%s: %i\n", data->command, status);
360 wfree(data->command);
361 wfree(data);
364 void ExecuteShellCommand(WScreen * scr, char *command)
366 static char *shell = NULL;
367 pid_t pid;
370 * This have a problem: if the shell is tcsh (not sure about others)
371 * and ~/.tcshrc have /bin/stty erase ^H somewhere on it, the shell
372 * will block and the command will not be executed.
373 if (!shell) {
374 shell = getenv("SHELL");
375 if (!shell)
376 shell = "/bin/sh";
379 shell = "/bin/sh";
381 pid = fork();
383 if (pid == 0) {
385 SetupEnvironment(scr);
387 #ifdef HAVE_SETSID
388 setsid();
389 #endif
390 execl(shell, shell, "-c", command, NULL);
391 wsyserror("could not execute %s -c %s", shell, command);
392 Exit(-1);
393 } else if (pid < 0) {
394 wsyserror("cannot fork a new process");
395 } else {
396 _tuple *data = wmalloc(sizeof(_tuple));
398 data->scr = scr;
399 data->command = wstrdup(command);
401 wAddDeathHandler(pid, (WDeathHandler *) shellCommandHandler, data);
406 *---------------------------------------------------------------------
407 * wAbort--
408 * Do a major cleanup and exit the program
410 *----------------------------------------------------------------------
412 void wAbort(Bool dumpCore)
414 int i;
415 WScreen *scr;
417 for (i = 0; i < wScreenCount; i++) {
418 scr = wScreenWithNumber(i);
419 if (scr)
420 RestoreDesktop(scr);
422 printf(_("%s aborted.\n"), ProgName);
423 if (dumpCore)
424 abort();
425 else
426 exit(1);
429 void print_help()
431 printf(_("Usage: %s [options]\n"), ProgName);
432 puts(_("The Window Maker window manager for the X window system"));
433 puts("");
434 puts(_(" -display host:dpy display to use"));
435 #ifdef USECPP
436 puts(_(" --no-cpp disable preprocessing of configuration files"));
437 #endif
438 puts(_(" --no-dock do not open the application Dock"));
439 puts(_(" --no-clip do not open the workspace Clip"));
440 puts(_(" --no-autolaunch do not autolaunch applications"));
441 puts(_(" --dont-restore do not restore saved session"));
443 puts(_(" --locale locale locale to use"));
445 puts(_(" --create-stdcmap create the standard colormap hint in PseudoColor visuals"));
446 puts(_(" --visual-id visualid visual id of visual to use"));
447 puts(_(" --static do not update or save configurations"));
448 #ifndef HAVE_INOTIFY
449 puts(_(" --no-polling do not periodically check for configuration updates"));
450 #endif
451 puts(_(" --version print version and exit"));
452 puts(_(" --help show this message"));
455 void check_defaults()
457 char *path;
459 path = wdefaultspathfordomain("WindowMaker");
461 if (access(path, R_OK) != 0) {
462 wwarning(_("could not find user GNUstep directory (%s)."), path);
464 if (system("wmaker.inst --batch") != 0) {
465 wwarning(_("There was an error while creating GNUstep directory, please "
466 "make sure you have installed Window Maker correctly and run wmaker.inst"));
467 } else {
468 wwarning(_("%s directory created with default configuration."), path);
472 wfree(path);
475 #ifdef HAVE_INOTIFY
477 * Add watch here, used to notify if configuration
478 * files have changed, using linux kernel inotify mechanism
481 static void inotifyWatchConfig()
483 char *watchPath = NULL;
484 inotifyFD = inotify_init(); /* Initialise an inotify instance */
485 if (inotifyFD < 0) {
486 wwarning(_("could not initialise an inotify instance."
487 " Changes to the defaults database will require"
488 " a restart to take effect. Check your kernel!"));
489 } else {
490 watchPath = wstrconcat(wusergnusteppath(), "/Defaults");
491 /* Add the watch; really we are only looking for modify events
492 * but we might want more in the future so check all events for now.
493 * The individual events are checked for in event.c.
495 inotifyWD = inotify_add_watch(inotifyFD, watchPath, IN_ALL_EVENTS);
496 if (inotifyWD < 0) {
497 wwarning(_("could not add an inotify watch on path\n."
498 "%s\n"
499 "Changes to the defaults database will require"
500 " a restart to take effect."), watchPath);
501 close(inotifyFD);
504 wfree(watchPath);
506 #endif /* HAVE_INOTIFY */
508 static void execInitScript()
510 char *file, *paths;
512 paths = wstrconcat(wusergnusteppath(), "/Library/WindowMaker");
513 paths = wstrappend(paths, ":" DEF_CONFIG_PATHS);
515 file = wfindfile(paths, DEF_INIT_SCRIPT);
516 wfree(paths);
518 if (file) {
519 if (system(file) != 0) {
520 wsyserror(_("%s:could not execute initialization script"), file);
522 wfree(file);
526 void ExecExitScript()
528 char *file, *paths;
530 paths = wstrconcat(wusergnusteppath(), "/Library/WindowMaker");
531 paths = wstrappend(paths, ":" DEF_CONFIG_PATHS);
533 file = wfindfile(paths, DEF_EXIT_SCRIPT);
534 wfree(paths);
536 if (file) {
537 if (system(file) != 0) {
538 wsyserror(_("%s:could not execute exit script"), file);
540 wfree(file);
544 int main(int argc, char **argv)
546 int i_am_the_monitor, i, len;
547 char *str, *alt;
549 /* setup common stuff for the monitor and wmaker itself */
550 WMInitializeApplication("WindowMaker", &argc, argv);
552 memset(&wPreferences, 0, sizeof(WPreferences));
554 wPreferences.fallbackWMs = WMCreateArray(8);
555 alt = getenv("WINDOWMAKER_ALT_WM");
556 if (alt != NULL)
557 WMAddToArray(wPreferences.fallbackWMs, wstrdup(alt));
559 WMAddToArray(wPreferences.fallbackWMs, wstrdup("blackbox"));
560 WMAddToArray(wPreferences.fallbackWMs, wstrdup("metacity"));
561 WMAddToArray(wPreferences.fallbackWMs, wstrdup("fvwm"));
562 WMAddToArray(wPreferences.fallbackWMs, wstrdup("twm"));
563 WMAddToArray(wPreferences.fallbackWMs, NULL);
564 WMAddToArray(wPreferences.fallbackWMs, wstrdup("rxvt"));
565 WMAddToArray(wPreferences.fallbackWMs, wstrdup("xterm"));
567 i_am_the_monitor = 1;
569 for (i = 1; i < argc; i++) {
570 if (strncmp(argv[i], "--for-real", strlen("--for-real")) == 0) {
571 i_am_the_monitor = 0;
572 break;
573 } else if (strcmp(argv[i], "-display") == 0 || strcmp(argv[i], "--display") == 0) {
574 i++;
575 if (i >= argc) {
576 wwarning(_("too few arguments for %s"), argv[i - 1]);
577 exit(0);
579 DisplayName = argv[i];
583 DisplayName = XDisplayName(DisplayName);
584 len = strlen(DisplayName) + 64;
585 str = wmalloc(len);
586 snprintf(str, len, "DISPLAY=%s", DisplayName);
587 putenv(str);
589 if (i_am_the_monitor)
590 return MonitorLoop(argc, argv);
591 else
592 return real_main(argc, argv);
595 static int real_main(int argc, char **argv)
597 int i, restart = 0;
598 char *pos;
599 int d, s;
600 int flag;
602 setlocale(LC_ALL, "");
603 wsetabort(wAbort);
605 /* for telling WPrefs what's the name of the wmaker binary being ran */
606 setenv("WMAKER_BIN_NAME", argv[0], 1);
608 flag = 0;
609 ArgCount = argc;
610 Arguments = wmalloc(sizeof(char *) * (ArgCount + 1));
611 for (i = 0; i < argc; i++) {
612 Arguments[i] = argv[i];
614 /* add the extra option to signal that we're just restarting wmaker */
615 Arguments[argc - 1] = "--for-real=";
616 Arguments[argc] = NULL;
618 ProgName = strrchr(argv[0], '/');
619 if (!ProgName)
620 ProgName = argv[0];
621 else
622 ProgName++;
624 restart = 0;
626 if (argc > 1) {
627 for (i = 1; i < argc; i++) {
628 #ifdef USECPP
629 if (strcmp(argv[i], "-nocpp") == 0 || strcmp(argv[i], "--no-cpp") == 0) {
630 wPreferences.flags.nocpp = 1;
631 } else
632 #endif
633 if (strcmp(argv[i], "--for-real") == 0) {
634 wPreferences.flags.restarting = 0;
635 } else if (strcmp(argv[i], "--for-real=") == 0) {
636 wPreferences.flags.restarting = 1;
637 } else if (strcmp(argv[i], "--for-real-") == 0) {
638 wPreferences.flags.restarting = 2;
639 } else if (strcmp(argv[i], "-no-autolaunch") == 0
640 || strcmp(argv[i], "--no-autolaunch") == 0) {
641 wPreferences.flags.noautolaunch = 1;
642 } else if (strcmp(argv[i], "-dont-restore") == 0 || strcmp(argv[i], "--dont-restore") == 0) {
643 wPreferences.flags.norestore = 1;
644 } else if (strcmp(argv[i], "-nodock") == 0 || strcmp(argv[i], "--no-dock") == 0) {
645 wPreferences.flags.nodock = 1;
646 } else if (strcmp(argv[i], "-noclip") == 0 || strcmp(argv[i], "--no-clip") == 0) {
647 wPreferences.flags.noclip = 1;
648 } else if (strcmp(argv[i], "-version") == 0 || strcmp(argv[i], "--version") == 0) {
649 printf("Window Maker %s\n", VERSION);
650 exit(0);
651 } else if (strcmp(argv[i], "--global_defaults_path") == 0) {
652 printf("%s/%s\n", SYSCONFDIR, GLOBAL_DEFAULTS_SUBDIR);
653 exit(0);
654 } else if (strcmp(argv[i], "-locale") == 0 || strcmp(argv[i], "--locale") == 0) {
655 i++;
656 if (i >= argc) {
657 wwarning(_("too few arguments for %s"), argv[i - 1]);
658 exit(0);
660 Locale = argv[i];
661 } else if (strcmp(argv[i], "-display") == 0 || strcmp(argv[i], "--display") == 0) {
662 i++;
663 if (i >= argc) {
664 wwarning(_("too few arguments for %s"), argv[i - 1]);
665 exit(0);
667 DisplayName = argv[i];
668 } else if (strcmp(argv[i], "-visualid") == 0 || strcmp(argv[i], "--visual-id") == 0) {
669 i++;
670 if (i >= argc) {
671 wwarning(_("too few arguments for %s"), argv[i - 1]);
672 exit(0);
674 if (initWVisualID(argv[i]) != 0) {
675 wwarning(_("bad value for visualid: \"%s\""), argv[i]);
676 exit(0);
678 } else if (strcmp(argv[i], "-static") == 0 || strcmp(argv[i], "--static") == 0
679 #ifndef HAVE_INOTIFY
680 || strcmp(argv[i], "--no-polling") == 0
681 #endif
683 wPreferences.flags.noupdates = 1;
684 } else if (strcmp(argv[i], "--help") == 0) {
685 print_help();
686 exit(0);
687 } else {
688 printf(_("%s: invalid argument '%s'\n"), argv[0], argv[i]);
689 printf(_("Try '%s --help' for more information\n"), argv[0]);
690 exit(1);
695 if (!wPreferences.flags.noupdates) {
696 /* check existence of Defaults DB directory */
697 check_defaults();
700 if (Locale) {
701 setenv("LANG", Locale, 1);
702 } else {
703 Locale = getenv("LC_ALL");
704 if (!Locale) {
705 Locale = getenv("LANG");
709 setlocale(LC_ALL, "");
711 if (!Locale || strcmp(Locale, "C") == 0 || strcmp(Locale, "POSIX") == 0)
712 Locale = NULL;
713 #ifdef I18N
714 if (getenv("NLSPATH"))
715 bindtextdomain("WindowMaker", getenv("NLSPATH"));
716 else
717 bindtextdomain("WindowMaker", LOCALEDIR);
718 bind_textdomain_codeset("WindowMaker", "UTF-8");
719 textdomain("WindowMaker");
721 if (!XSupportsLocale()) {
722 wwarning(_("X server does not support locale"));
725 if (XSetLocaleModifiers("") == NULL) {
726 wwarning(_("cannot set locale modifiers"));
728 #endif
730 if (Locale) {
731 char *ptr;
733 Locale = wstrdup(Locale);
734 ptr = strchr(Locale, '.');
735 if (ptr)
736 *ptr = 0;
739 /* open display */
740 dpy = XOpenDisplay(DisplayName);
741 if (dpy == NULL) {
742 wfatal(_("could not open display \"%s\""), XDisplayName(DisplayName));
743 exit(1);
746 if (fcntl(ConnectionNumber(dpy), F_SETFD, FD_CLOEXEC) < 0) {
747 wsyserror("error setting close-on-exec flag for X connection");
748 exit(1);
752 if (getWVisualID(0) < 0) {
754 * If unspecified, use default visual instead of waiting
755 * for wrlib/context.c:bestContext() that may end up choosing
756 * the "fake" 24 bits added by the Composite extension.
757 * This is required to avoid all sort of corruptions when
758 * composite is enabled, and at a depth other than 24.
760 setWVisualID(0, (int)DefaultVisual(dpy, DefaultScreen(dpy))->visualid);
763 /* check if the user specified a complete display name (with screen).
764 * If so, only manage the specified screen */
765 if (DisplayName)
766 pos = strchr(DisplayName, ':');
767 else
768 pos = NULL;
770 if (pos && sscanf(pos, ":%i.%i", &d, &s) == 2)
771 multiHead = False;
773 DisplayName = XDisplayName(DisplayName);
774 setenv("DISPLAY", DisplayName, 1);
776 wXModifierInitialize();
777 StartUp(!multiHead);
779 if (wScreenCount == 1)
780 multiHead = False;
782 execInitScript();
783 #ifdef HAVE_INOTIFY
784 inotifyWatchConfig();
785 #endif
786 EventLoop();
787 return -1;