2 * Window Maker window manager
4 * Copyright (c) 1997-2003 Alfredo K. Kojima
5 * Copyright (c) 1998-2003 Dan Pascu
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.
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.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
32 #include <sys/signal.h>
36 #include <X11/Xresource.h>
37 #include <X11/Xutil.h>
38 #include <X11/cursorfont.h>
39 #include <X11/Xproto.h>
40 #include <X11/keysym.h>
42 #include <X11/extensions/shape.h>
44 #ifdef KEEP_XKB_LOCK_STATUS
45 #include <X11/XKBlib.h>
48 #include <X11/extensions/Xrandr.h>
51 #include "WindowMaker.h"
61 #include "workspace.h"
66 #include "properties.h"
70 #include "switchmenu.h"
82 /* Just in case, for weirdo systems */
87 /****** Global Variables ******/
88 extern WDDomain
*WDWindowMaker
;
89 extern WDDomain
*WDRootMenu
;
90 extern WDDomain
*WDWindowAttributes
;
91 extern WShortKey wKeyBindings
[WKBD_LAST
];
92 extern int wScreenCount
;
95 extern Bool wShapeSupported
;
96 extern int wShapeEventBase
;
99 #ifdef KEEP_XKB_LOCK_STATUS
100 extern Bool wXkbSupported
;
101 extern int wXkbEventBase
;
105 extern XContext wWinContext
;
106 extern XContext wAppWinContext
;
107 extern XContext wStackContext
;
108 extern XContext wVEdgeContext
;
111 extern Atom _XA_WM_STATE
;
112 extern Atom _XA_WM_CHANGE_STATE
;
113 extern Atom _XA_WM_PROTOCOLS
;
114 extern Atom _XA_WM_TAKE_FOCUS
;
115 extern Atom _XA_WM_DELETE_WINDOW
;
116 extern Atom _XA_WM_SAVE_YOURSELF
;
117 extern Atom _XA_WM_CLIENT_LEADER
;
118 extern Atom _XA_WM_COLORMAP_WINDOWS
;
119 extern Atom _XA_WM_COLORMAP_NOTIFY
;
120 extern Atom _XA_GNUSTEP_WM_ATTR
;
121 extern Atom _XA_WINDOWMAKER_MENU
;
122 extern Atom _XA_WINDOWMAKER_WM_PROTOCOLS
;
123 extern Atom _XA_WINDOWMAKER_STATE
;
124 extern Atom _XA_WINDOWMAKER_WM_FUNCTION
;
125 extern Atom _XA_WINDOWMAKER_NOTICEBOARD
;
126 extern Atom _XA_WINDOWMAKER_COMMAND
;
127 extern Atom _XA_WINDOWMAKER_ICON_SIZE
;
128 extern Atom _XA_WINDOWMAKER_ICON_TILE
;
129 extern Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW
;
130 extern Atom _XA_GNUSTEP_TITLEBAR_STATE
;
131 extern Atom _XA_WM_IGNORE_FOCUS_EVENTS
;
134 extern Cursor wCursor
[WCUR_LAST
];
138 extern char WDelayedActionSet
;
142 static WScreen
**wScreen
= NULL
;
143 static unsigned int _NumLockMask
= 0;
144 static unsigned int _ScrollLockMask
= 0;
145 static void manageAllWindows(WScreen
* scr
, int crashed
);
147 static int catchXError(Display
* dpy
, XErrorEvent
* error
)
149 char buffer
[MAXLINE
];
151 /* ignore some errors */
152 if (error
->resourceid
!= None
153 && ((error
->error_code
== BadDrawable
&& error
->request_code
== X_GetGeometry
)
154 || (error
->error_code
== BadMatch
&& (error
->request_code
== X_SetInputFocus
))
155 || (error
->error_code
== BadWindow
)
157 && (error->request_code == X_GetWindowAttributes
158 || error->request_code == X_SetInputFocus
159 || error->request_code == X_ChangeWindowAttributes
160 || error->request_code == X_GetProperty
161 || error->request_code == X_ChangeProperty
162 || error->request_code == X_QueryTree
163 || error->request_code == X_GrabButton
164 || error->request_code == X_UngrabButton
165 || error->request_code == X_SendEvent
166 || error->request_code == X_ConfigureWindow))
168 || (error
->request_code
== X_InstallColormap
))) {
171 FormatXError(dpy
, error
, buffer
, MAXLINE
);
172 wwarning(_("internal X error: %s"), buffer
);
177 *----------------------------------------------------------------------
179 * Handle X shutdowns and other stuff.
180 *----------------------------------------------------------------------
182 static int handleXIO(Display
* xio_dpy
)
191 *----------------------------------------------------------------------
193 * Action to be executed after the signal() handler is exited.
194 *----------------------------------------------------------------------
196 static void delayedAction(void *cdata
)
198 if (WDelayedActionSet
== 0)
203 * Make the event dispatcher do whatever it needs to do,
204 * including handling zombie processes, restart and exit
212 *----------------------------------------------------------------------
214 * User generated exit signal handler.
215 *----------------------------------------------------------------------
217 static RETSIGTYPE
handleExitSig(int sig
)
222 sigprocmask(SIG_BLOCK
, &sigs
, NULL
);
224 if (sig
== SIGUSR1
) {
225 wwarning("got signal %i - restarting", sig
);
226 SIG_WCHANGE_STATE(WSTATE_NEED_RESTART
);
227 } else if (sig
== SIGUSR2
) {
228 wwarning("got signal %i - rereading defaults", sig
);
229 SIG_WCHANGE_STATE(WSTATE_NEED_REREAD
);
230 } else if (sig
== SIGTERM
|| sig
== SIGINT
|| sig
== SIGHUP
) {
231 wwarning("got signal %i - exiting...", sig
);
232 SIG_WCHANGE_STATE(WSTATE_NEED_EXIT
);
235 sigprocmask(SIG_UNBLOCK
, &sigs
, NULL
);
236 DispatchEvent(NULL
); /* Dispatch events imediately. */
239 /* Dummy signal handler */
240 static void dummyHandler(int sig
)
245 *----------------------------------------------------------------------
247 * general signal handler. Exits the program gently.
248 *----------------------------------------------------------------------
250 static RETSIGTYPE
handleSig(int sig
)
252 wfatal("got signal %i", sig
);
254 /* Setting the signal behaviour back to default and then reraising the
255 * signal is a cleaner way to make program exit and core dump than calling
256 * abort(), since it correctly returns from the signal handler and sets
257 * the flags accordingly. -Dan
259 if (sig
== SIGSEGV
|| sig
== SIGFPE
|| sig
== SIGBUS
|| sig
== SIGILL
|| sig
== SIGABRT
) {
260 signal(sig
, SIG_DFL
);
268 static RETSIGTYPE
buryChild(int foo
)
272 int save_errno
= errno
;
276 /* Block signals so that NotifyDeadProcess() doesn't get fux0red */
277 sigprocmask(SIG_BLOCK
, &sigs
, NULL
);
280 /* If 2 or more kids exit in a small time window, before this handler gets
281 * the chance to get invoked, the SIGCHLD signals will be merged and only
282 * one SIGCHLD signal will be sent to us. We use a while loop to get all
283 * exited child status because we can't count on the number of SIGCHLD
284 * signals to know exactly how many kids have exited. -Dan
286 while ((pid
= waitpid(-1, &status
, WNOHANG
)) > 0 || (pid
< 0 && errno
== EINTR
)) {
287 NotifyDeadProcess(pid
, WEXITSTATUS(status
));
290 sigprocmask(SIG_UNBLOCK
, &sigs
, NULL
);
295 static void getOffendingModifiers(void)
298 XModifierKeymap
*modmap
;
299 KeyCode nlock
, slock
;
300 static int mask_table
[8] = {
301 ShiftMask
, LockMask
, ControlMask
, Mod1Mask
,
302 Mod2Mask
, Mod3Mask
, Mod4Mask
, Mod5Mask
305 nlock
= XKeysymToKeycode(dpy
, XK_Num_Lock
);
306 slock
= XKeysymToKeycode(dpy
, XK_Scroll_Lock
);
309 * Find out the masks for the NumLock and ScrollLock modifiers,
310 * so that we can bind the grabs for when they are enabled too.
312 modmap
= XGetModifierMapping(dpy
);
314 if (modmap
!= NULL
&& modmap
->max_keypermod
> 0) {
315 for (i
= 0; i
< 8 * modmap
->max_keypermod
; i
++) {
316 if (modmap
->modifiermap
[i
] == nlock
&& nlock
!= 0)
317 _NumLockMask
= mask_table
[i
/ modmap
->max_keypermod
];
318 else if (modmap
->modifiermap
[i
] == slock
&& slock
!= 0)
319 _ScrollLockMask
= mask_table
[i
/ modmap
->max_keypermod
];
324 XFreeModifiermap(modmap
);
329 wHackedGrabKey(int keycode
, unsigned int modifiers
,
330 Window grab_window
, Bool owner_events
, int pointer_mode
, int keyboard_mode
)
332 if (modifiers
== AnyModifier
)
335 /* grab all combinations of the modifier with CapsLock, NumLock and
336 * ScrollLock. How much memory/CPU does such a monstrosity consume
340 XGrabKey(dpy
, keycode
, modifiers
| _NumLockMask
,
341 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
343 XGrabKey(dpy
, keycode
, modifiers
| _ScrollLockMask
,
344 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
345 if (_NumLockMask
&& _ScrollLockMask
)
346 XGrabKey(dpy
, keycode
, modifiers
| _NumLockMask
| _ScrollLockMask
,
347 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
349 XGrabKey(dpy
, keycode
, modifiers
| _NumLockMask
| LockMask
,
350 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
352 XGrabKey(dpy
, keycode
, modifiers
| _ScrollLockMask
| LockMask
,
353 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
354 if (_NumLockMask
&& _ScrollLockMask
)
355 XGrabKey(dpy
, keycode
, modifiers
| _NumLockMask
| _ScrollLockMask
| LockMask
,
356 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
357 /* phew, I guess that's all, right? */
362 wHackedGrabButton(unsigned int button
, unsigned int modifiers
,
363 Window grab_window
, Bool owner_events
,
364 unsigned int event_mask
, int pointer_mode
, int keyboard_mode
, Window confine_to
, Cursor cursor
)
366 XGrabButton(dpy
, button
, modifiers
, grab_window
, owner_events
,
367 event_mask
, pointer_mode
, keyboard_mode
, confine_to
, cursor
);
369 if (modifiers
== AnyModifier
)
372 XGrabButton(dpy
, button
, modifiers
| LockMask
, grab_window
, owner_events
,
373 event_mask
, pointer_mode
, keyboard_mode
, confine_to
, cursor
);
376 /* same as above, but for mouse buttons */
378 XGrabButton(dpy
, button
, modifiers
| _NumLockMask
,
379 grab_window
, owner_events
, event_mask
, pointer_mode
,
380 keyboard_mode
, confine_to
, cursor
);
382 XGrabButton(dpy
, button
, modifiers
| _ScrollLockMask
,
383 grab_window
, owner_events
, event_mask
, pointer_mode
,
384 keyboard_mode
, confine_to
, cursor
);
385 if (_NumLockMask
&& _ScrollLockMask
)
386 XGrabButton(dpy
, button
, modifiers
| _ScrollLockMask
| _NumLockMask
,
387 grab_window
, owner_events
, event_mask
, pointer_mode
,
388 keyboard_mode
, confine_to
, cursor
);
390 XGrabButton(dpy
, button
, modifiers
| _NumLockMask
| LockMask
,
391 grab_window
, owner_events
, event_mask
, pointer_mode
,
392 keyboard_mode
, confine_to
, cursor
);
394 XGrabButton(dpy
, button
, modifiers
| _ScrollLockMask
| LockMask
,
395 grab_window
, owner_events
, event_mask
, pointer_mode
,
396 keyboard_mode
, confine_to
, cursor
);
397 if (_NumLockMask
&& _ScrollLockMask
)
398 XGrabButton(dpy
, button
, modifiers
| _ScrollLockMask
| _NumLockMask
| LockMask
,
399 grab_window
, owner_events
, event_mask
, pointer_mode
,
400 keyboard_mode
, confine_to
, cursor
);
401 #endif /* NUMLOCK_HACK */
404 WScreen
*wScreenWithNumber(int i
)
406 assert(i
< wScreenCount
);
411 WScreen
*wScreenForRootWindow(Window window
)
415 if (wScreenCount
== 1)
418 /* Since the number of heads will probably be small (normally 2),
419 * it should be faster to use this than a hash table, because
420 * of the overhead. */
421 for (i
= 0; i
< wScreenCount
; i
++)
422 if (wScreen
[i
]->root_win
== window
)
425 return wScreenForWindow(window
);
428 WScreen
*wScreenForWindow(Window window
)
430 XWindowAttributes attr
;
432 if (wScreenCount
== 1)
435 if (XGetWindowAttributes(dpy
, window
, &attr
))
436 return wScreenForRootWindow(attr
.root
);
441 static char *atomNames
[] = {
449 "WM_COLORMAP_WINDOWS",
450 "WM_COLORMAP_NOTIFY",
453 "_WINDOWMAKER_STATE",
454 "_WINDOWMAKER_WM_PROTOCOLS",
455 "_WINDOWMAKER_WM_FUNCTION",
456 "_WINDOWMAKER_NOTICEBOARD",
457 "_WINDOWMAKER_COMMAND",
458 "_WINDOWMAKER_ICON_SIZE",
459 "_WINDOWMAKER_ICON_TILE",
461 GNUSTEP_WM_ATTR_NAME
,
462 GNUSTEP_WM_MINIATURIZE_WINDOW
,
463 GNUSTEP_TITLEBAR_STATE
,
465 "WM_IGNORE_FOCUS_EVENTS"
469 *----------------------------------------------------------
471 * starts the window manager and setup global data.
472 * Called from main() at startup.
475 * global data declared in main.c is initialized
476 *----------------------------------------------------------
478 void StartUp(Bool defaultScreenOnly
)
480 struct sigaction sig_action
;
485 Atom atom
[sizeof(atomNames
) / sizeof(atomNames
[0])];
488 * Ignore CapsLock in modifiers
490 ValidModMask
= 0xff & ~LockMask
;
492 getOffendingModifiers();
494 * Ignore NumLock and ScrollLock too
496 ValidModMask
&= ~(_NumLockMask
| _ScrollLockMask
);
498 memset(&wKeyBindings
, 0, sizeof(wKeyBindings
));
500 wWinContext
= XUniqueContext();
501 wAppWinContext
= XUniqueContext();
502 wStackContext
= XUniqueContext();
503 wVEdgeContext
= XUniqueContext();
505 /* _XA_VERSION = XInternAtom(dpy, "VERSION", False); */
507 #ifdef HAVE_XINTERNATOMS
508 XInternAtoms(dpy
, atomNames
, sizeof(atomNames
) / sizeof(atomNames
[0]), False
, atom
);
513 for (i
= 0; i
< sizeof(atomNames
) / sizeof(atomNames
[0]); i
++)
514 atom
[i
] = XInternAtom(dpy
, atomNames
[i
], False
);
518 _XA_WM_STATE
= atom
[0];
519 _XA_WM_CHANGE_STATE
= atom
[1];
520 _XA_WM_PROTOCOLS
= atom
[2];
521 _XA_WM_TAKE_FOCUS
= atom
[3];
522 _XA_WM_DELETE_WINDOW
= atom
[4];
523 _XA_WM_SAVE_YOURSELF
= atom
[5];
524 _XA_WM_CLIENT_LEADER
= atom
[6];
525 _XA_WM_COLORMAP_WINDOWS
= atom
[7];
526 _XA_WM_COLORMAP_NOTIFY
= atom
[8];
528 _XA_WINDOWMAKER_MENU
= atom
[9];
529 _XA_WINDOWMAKER_STATE
= atom
[10];
530 _XA_WINDOWMAKER_WM_PROTOCOLS
= atom
[11];
531 _XA_WINDOWMAKER_WM_FUNCTION
= atom
[12];
532 _XA_WINDOWMAKER_NOTICEBOARD
= atom
[13];
533 _XA_WINDOWMAKER_COMMAND
= atom
[14];
534 _XA_WINDOWMAKER_ICON_SIZE
= atom
[15];
535 _XA_WINDOWMAKER_ICON_TILE
= atom
[16];
537 _XA_GNUSTEP_WM_ATTR
= atom
[17];
538 _XA_GNUSTEP_WM_MINIATURIZE_WINDOW
= atom
[18];
539 _XA_GNUSTEP_TITLEBAR_STATE
= atom
[19];
541 _XA_WM_IGNORE_FOCUS_EVENTS
= atom
[20];
544 wXDNDInitializeAtoms();
548 wCursor
[WCUR_NORMAL
] = None
; /* inherit from root */
549 wCursor
[WCUR_ROOT
] = XCreateFontCursor(dpy
, XC_left_ptr
);
550 wCursor
[WCUR_ARROW
] = XCreateFontCursor(dpy
, XC_top_left_arrow
);
551 wCursor
[WCUR_MOVE
] = XCreateFontCursor(dpy
, XC_fleur
);
552 wCursor
[WCUR_RESIZE
] = XCreateFontCursor(dpy
, XC_sizing
);
553 wCursor
[WCUR_TOPLEFTRESIZE
] = XCreateFontCursor(dpy
, XC_top_left_corner
);
554 wCursor
[WCUR_TOPRIGHTRESIZE
] = XCreateFontCursor(dpy
, XC_top_right_corner
);
555 wCursor
[WCUR_BOTTOMLEFTRESIZE
] = XCreateFontCursor(dpy
, XC_bottom_left_corner
);
556 wCursor
[WCUR_BOTTOMRIGHTRESIZE
] = XCreateFontCursor(dpy
, XC_bottom_right_corner
);
557 wCursor
[WCUR_VERTICALRESIZE
] = XCreateFontCursor(dpy
, XC_sb_v_double_arrow
);
558 wCursor
[WCUR_HORIZONRESIZE
] = XCreateFontCursor(dpy
, XC_sb_h_double_arrow
);
559 wCursor
[WCUR_WAIT
] = XCreateFontCursor(dpy
, XC_watch
);
560 wCursor
[WCUR_QUESTION
] = XCreateFontCursor(dpy
, XC_question_arrow
);
561 wCursor
[WCUR_TEXT
] = XCreateFontCursor(dpy
, XC_xterm
); /* odd name??? */
562 wCursor
[WCUR_SELECT
] = XCreateFontCursor(dpy
, XC_cross
);
564 Pixmap cur
= XCreatePixmap(dpy
, DefaultRootWindow(dpy
), 16, 16, 1);
565 GC gc
= XCreateGC(dpy
, cur
, 0, NULL
);
567 memset(&black
, 0, sizeof(XColor
));
568 XSetForeground(dpy
, gc
, 0);
569 XFillRectangle(dpy
, cur
, gc
, 0, 0, 16, 16);
571 wCursor
[WCUR_EMPTY
] = XCreatePixmapCursor(dpy
, cur
, cur
, &black
, &black
, 0, 0);
572 XFreePixmap(dpy
, cur
);
576 /* signal handler stuff that gets called when a signal is caught */
577 WMAddPersistentTimerHandler(500, delayedAction
, NULL
);
580 /* emergency exit... */
581 sig_action
.sa_handler
= handleSig
;
582 sigemptyset(&sig_action
.sa_mask
);
584 sig_action
.sa_flags
= SA_RESTART
;
585 sigaction(SIGQUIT
, &sig_action
, NULL
);
586 /* instead of catching these, we let the default handler abort the
587 * program. The new monitor process will take appropriate action
588 * when it detects the crash.
589 sigaction(SIGSEGV, &sig_action, NULL);
590 sigaction(SIGBUS, &sig_action, NULL);
591 sigaction(SIGFPE, &sig_action, NULL);
592 sigaction(SIGABRT, &sig_action, NULL);
595 sig_action
.sa_handler
= handleExitSig
;
597 /* Here we set SA_RESTART for safety, because SIGUSR1 may not be handled
598 * immediately. -Dan */
599 sig_action
.sa_flags
= SA_RESTART
;
600 sigaction(SIGTERM
, &sig_action
, NULL
);
601 sigaction(SIGINT
, &sig_action
, NULL
);
602 sigaction(SIGHUP
, &sig_action
, NULL
);
603 sigaction(SIGUSR1
, &sig_action
, NULL
);
604 sigaction(SIGUSR2
, &sig_action
, NULL
);
606 /* ignore dead pipe */
607 /* Because POSIX mandates that only signal with handlers are reset
608 * accross an exec*(), we do not want to propagate ignoring SIGPIPEs
609 * to children. Hence the dummy handler.
610 * Philippe Troin <phil@fifi.org>
612 sig_action
.sa_handler
= &dummyHandler
;
613 sig_action
.sa_flags
= SA_RESTART
;
614 sigaction(SIGPIPE
, &sig_action
, NULL
);
616 /* handle dead children */
617 sig_action
.sa_handler
= buryChild
;
618 sig_action
.sa_flags
= SA_NOCLDSTOP
| SA_RESTART
;
619 sigaction(SIGCHLD
, &sig_action
, NULL
);
621 /* Now we unblock all signals, that may have been blocked by the parent
622 * who exec()-ed us. This can happen for example if Window Maker crashes
623 * and restarts itself or another window manager from the signal handler.
624 * In this case, the new proccess inherits the blocked signal mask and
625 * will no longer react to that signal, until unblocked.
626 * This is because the signal handler of the proccess who crashed (parent)
627 * didn't return, and the signal remained blocked. -Dan
629 sigfillset(&sig_action
.sa_mask
);
630 sigprocmask(SIG_UNBLOCK
, &sig_action
.sa_mask
, NULL
);
632 /* handle X shutdowns a such */
633 XSetIOErrorHandler(handleXIO
);
635 /* set hook for out event dispatcher in WINGs event dispatcher */
636 WMHookEventHandler(DispatchEvent
);
638 /* initialize defaults stuff */
639 WDWindowMaker
= wDefaultsInitDomain("WindowMaker", True
);
640 if (!WDWindowMaker
->dictionary
)
641 wwarning(_("could not read domain \"%s\" from defaults database"), "WindowMaker");
643 /* read defaults that don't change until a restart and are
644 * screen independent */
645 wReadStaticDefaults(WDWindowMaker
? WDWindowMaker
->dictionary
: NULL
);
647 /* check sanity of some values */
648 if (wPreferences
.icon_size
< 16) {
649 wwarning(_("icon size is configured to %i, but it's too small. Using 16 instead"),
650 wPreferences
.icon_size
);
651 wPreferences
.icon_size
= 16;
654 /* init other domains */
655 WDRootMenu
= wDefaultsInitDomain("WMRootMenu", False
);
656 if (!WDRootMenu
->dictionary
)
657 wwarning(_("could not read domain \"%s\" from defaults database"), "WMRootMenu");
659 wDefaultsMergeGlobalMenus(WDRootMenu
);
661 WDWindowAttributes
= wDefaultsInitDomain("WMWindowAttributes", True
);
662 if (!WDWindowAttributes
->dictionary
)
663 wwarning(_("could not read domain \"%s\" from defaults database"), "WMWindowAttributes");
665 XSetErrorHandler((XErrorHandler
) catchXError
);
669 wShapeSupported
= XShapeQueryExtension(dpy
, &wShapeEventBase
, &j
);
673 has_randr
= XRRQueryExtension(dpy
, &randr_event_base
, &dummy
);
676 #ifdef KEEP_XKB_LOCK_STATUS
677 wXkbSupported
= XkbQueryExtension(dpy
, NULL
, &wXkbEventBase
, NULL
, NULL
, NULL
);
678 if (wPreferences
.modelock
&& !wXkbSupported
) {
679 wwarning(_("XKB is not supported. KbdModeLock is automatically disabled."));
680 wPreferences
.modelock
= 0;
684 if (defaultScreenOnly
)
687 max
= ScreenCount(dpy
);
689 wScreen
= wmalloc(sizeof(WScreen
*) * max
);
693 /* manage the screens */
694 for (j
= 0; j
< max
; j
++) {
695 if (defaultScreenOnly
|| max
== 1) {
696 wScreen
[wScreenCount
] = wScreenInit(DefaultScreen(dpy
));
697 if (!wScreen
[wScreenCount
]) {
698 wfatal(_("it seems that there is already a window manager running"));
702 wScreen
[wScreenCount
] = wScreenInit(j
);
703 if (!wScreen
[wScreenCount
]) {
704 wwarning(_("could not manage screen %i"), j
);
711 InitializeSwitchMenu();
713 /* initialize/restore state for the screens */
714 for (j
= 0; j
< wScreenCount
; j
++) {
717 lastDesktop
= wNETWMGetCurrentDesktopFromHint(wScreen
[j
]);
719 wScreenRestoreState(wScreen
[j
]);
721 /* manage all windows that were already here before us */
722 if (!wPreferences
.flags
.nodock
&& wScreen
[j
]->dock
)
723 wScreen
[j
]->last_dock
= wScreen
[j
]->dock
;
725 manageAllWindows(wScreen
[j
], wPreferences
.flags
.restarting
== 2);
727 /* restore saved menus */
728 wMenuRestoreState(wScreen
[j
]);
730 /* If we're not restarting, restore session */
731 if (wPreferences
.flags
.restarting
== 0 && !wPreferences
.flags
.norestore
)
732 wSessionRestoreState(wScreen
[j
]);
734 if (!wPreferences
.flags
.noautolaunch
) {
735 /* auto-launch apps */
736 if (!wPreferences
.flags
.nodock
&& wScreen
[j
]->dock
) {
737 wScreen
[j
]->last_dock
= wScreen
[j
]->dock
;
738 wDockDoAutoLaunch(wScreen
[j
]->dock
, 0);
740 /* auto-launch apps in clip */
741 if (!wPreferences
.flags
.noclip
) {
743 for (i
= 0; i
< wScreen
[j
]->workspace_count
; i
++) {
744 if (wScreen
[j
]->workspaces
[i
]->clip
) {
745 wScreen
[j
]->last_dock
= wScreen
[j
]->workspaces
[i
]->clip
;
746 wDockDoAutoLaunch(wScreen
[j
]->workspaces
[i
]->clip
, i
);
750 /* auto-launch apps in drawers */
751 if (!wPreferences
.flags
.nodrawer
) {
753 for (dc
= wScreen
[j
]->drawers
; dc
; dc
= dc
->next
) {
754 wScreen
[j
]->last_dock
= dc
->adrawer
;
755 wDockDoAutoLaunch(dc
->adrawer
, 0);
760 /* go to workspace where we were before restart */
761 if (lastDesktop
>= 0)
762 wWorkspaceForceChange(wScreen
[j
], lastDesktop
);
764 wSessionRestoreLastWorkspace(wScreen
[j
]);
767 if (wScreenCount
== 0) {
768 wfatal(_("could not manage any screen"));
773 /* setup defaults file polling */
774 if (!wPreferences
.flags
.nopolling
&& !wPreferences
.flags
.noupdates
)
775 WMAddTimerHandler(3000, wDefaultsCheckDomains
, NULL
);
780 static Bool
windowInList(Window window
, Window
* list
, int count
)
782 for (; count
>= 0; count
--) {
783 if (window
== list
[count
])
790 *-----------------------------------------------------------------------
792 * Manages all windows in the screen.
795 * Called when the wm is being started.
796 * No events can be processed while the windows are being
797 * reparented/managed.
798 *-----------------------------------------------------------------------
800 static void manageAllWindows(WScreen
* scr
, int crashRecovery
)
804 unsigned int nchildren
;
809 XQueryTree(dpy
, scr
->root_win
, &root
, &parent
, &children
, &nchildren
);
811 scr
->flags
.startup
= 1;
813 /* first remove all icon windows */
814 for (i
= 0; i
< nchildren
; i
++) {
817 if (children
[i
] == None
)
820 wmhints
= XGetWMHints(dpy
, children
[i
]);
821 if (wmhints
&& (wmhints
->flags
& IconWindowHint
)) {
822 for (j
= 0; j
< nchildren
; j
++) {
823 if (children
[j
] == wmhints
->icon_window
) {
836 for (i
= 0; i
< nchildren
; i
++) {
837 if (children
[i
] == None
)
840 wwin
= wManageWindow(scr
, children
[i
]);
842 /* apply states got from WSavedState */
843 /* shaded + minimized is not restored correctly */
844 if (wwin
->flags
.shaded
) {
845 wwin
->flags
.shaded
= 0;
848 if (wwin
->flags
.miniaturized
849 && (wwin
->transient_for
== None
850 || wwin
->transient_for
== scr
->root_win
851 || !windowInList(wwin
->transient_for
, children
, nchildren
))) {
853 wwin
->flags
.skip_next_animation
= 1;
854 wwin
->flags
.miniaturized
= 0;
855 wIconifyWindow(wwin
);
857 wClientSetState(wwin
, NormalState
, None
);
862 border
= (!HAS_BORDER(wwin
) ? 0 : scr
->frame_border_width
);
864 wWindowMove(wwin
, wwin
->frame_x
- border
,
865 wwin
->frame_y
- border
-
866 (wwin
->frame
->titlebar
? wwin
->frame
->titlebar
->height
: 0));
873 wwin
= scr
->focused_window
;
875 if (wwin
->flags
.hidden
) {
876 WApplication
*wapp
= wApplicationOf(wwin
->main_window
);
879 wwin
->flags
.hidden
= 0;
880 wHideApplication(wapp
);
882 wwin
->flags
.hidden
= 0;
889 scr
->flags
.startup
= 0;
890 scr
->flags
.startup2
= 1;
892 while (XPending(dpy
)) {
894 WMNextEvent(dpy
, &ev
);
897 scr
->last_workspace
= 0;
898 wWorkspaceForceChange(scr
, 0);
899 if (!wPreferences
.flags
.noclip
)
900 wDockShowIcons(scr
->workspaces
[scr
->current_workspace
]->clip
);
901 scr
->flags
.startup2
= 0;