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"
60 #include "workspace.h"
65 #include "properties.h"
79 /* Just in case, for weirdo systems */
84 /****** Global Variables ******/
85 extern WPreferences wPreferences
;
86 extern WDDomain
*WDWindowMaker
;
87 extern WDDomain
*WDRootMenu
;
88 extern WDDomain
*WDWindowAttributes
;
89 extern WShortKey wKeyBindings
[WKBD_LAST
];
90 extern int wScreenCount
;
93 extern Bool wShapeSupported
;
94 extern int wShapeEventBase
;
97 #ifdef KEEP_XKB_LOCK_STATUS
98 extern Bool wXkbSupported
;
99 extern int wXkbEventBase
;
103 extern Bool has_randr
;
104 extern int randr_event_base
;
108 extern XContext wWinContext
;
109 extern XContext wAppWinContext
;
110 extern XContext wStackContext
;
111 extern XContext wVEdgeContext
;
114 extern Atom _XA_WM_STATE
;
115 extern Atom _XA_WM_CHANGE_STATE
;
116 extern Atom _XA_WM_PROTOCOLS
;
117 extern Atom _XA_WM_TAKE_FOCUS
;
118 extern Atom _XA_WM_DELETE_WINDOW
;
119 extern Atom _XA_WM_SAVE_YOURSELF
;
120 extern Atom _XA_WM_CLIENT_LEADER
;
121 extern Atom _XA_WM_COLORMAP_WINDOWS
;
122 extern Atom _XA_WM_COLORMAP_NOTIFY
;
123 extern Atom _XA_GNUSTEP_WM_ATTR
;
124 extern Atom _XA_WINDOWMAKER_MENU
;
125 extern Atom _XA_WINDOWMAKER_WM_PROTOCOLS
;
126 extern Atom _XA_WINDOWMAKER_STATE
;
127 extern Atom _XA_WINDOWMAKER_WM_FUNCTION
;
128 extern Atom _XA_WINDOWMAKER_NOTICEBOARD
;
129 extern Atom _XA_WINDOWMAKER_COMMAND
;
130 extern Atom _XA_WINDOWMAKER_ICON_SIZE
;
131 extern Atom _XA_WINDOWMAKER_ICON_TILE
;
132 extern Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW
;
133 extern Atom _XA_GNUSTEP_TITLEBAR_STATE
;
134 extern Atom _XA_WM_IGNORE_FOCUS_EVENTS
;
137 extern Cursor wCursor
[WCUR_LAST
];
141 extern char WDelayedActionSet
;
144 extern void NotifyDeadProcess(pid_t pid
, unsigned char status
);
147 static WScreen
**wScreen
= NULL
;
148 static unsigned int _NumLockMask
= 0;
149 static unsigned int _ScrollLockMask
= 0;
150 static void manageAllWindows(WScreen
* scr
, int crashed
);
152 static int catchXError(Display
* dpy
, XErrorEvent
* error
)
154 char buffer
[MAXLINE
];
156 /* ignore some errors */
157 if (error
->resourceid
!= None
158 && ((error
->error_code
== BadDrawable
&& error
->request_code
== X_GetGeometry
)
159 || (error
->error_code
== BadMatch
&& (error
->request_code
== X_SetInputFocus
))
160 || (error
->error_code
== BadWindow
)
162 && (error->request_code == X_GetWindowAttributes
163 || error->request_code == X_SetInputFocus
164 || error->request_code == X_ChangeWindowAttributes
165 || error->request_code == X_GetProperty
166 || error->request_code == X_ChangeProperty
167 || error->request_code == X_QueryTree
168 || error->request_code == X_GrabButton
169 || error->request_code == X_UngrabButton
170 || error->request_code == X_SendEvent
171 || error->request_code == X_ConfigureWindow))
173 || (error
->request_code
== X_InstallColormap
))) {
176 FormatXError(dpy
, error
, buffer
, MAXLINE
);
177 wwarning(_("internal X error: %s"), buffer
);
182 *----------------------------------------------------------------------
184 * Handle X shutdowns and other stuff.
185 *----------------------------------------------------------------------
187 static int handleXIO(Display
* xio_dpy
)
196 *----------------------------------------------------------------------
198 * Action to be executed after the signal() handler is exited.
199 *----------------------------------------------------------------------
201 static void delayedAction(void *cdata
)
203 if (WDelayedActionSet
== 0)
208 * Make the event dispatcher do whatever it needs to do,
209 * including handling zombie processes, restart and exit
217 *----------------------------------------------------------------------
219 * User generated exit signal handler.
220 *----------------------------------------------------------------------
222 static RETSIGTYPE
handleExitSig(int sig
)
227 sigprocmask(SIG_BLOCK
, &sigs
, NULL
);
229 if (sig
== SIGUSR1
) {
230 wwarning("got signal %i - restarting", sig
);
231 SIG_WCHANGE_STATE(WSTATE_NEED_RESTART
);
232 } else if (sig
== SIGUSR2
) {
233 wwarning("got signal %i - rereading defaults", sig
);
234 SIG_WCHANGE_STATE(WSTATE_NEED_REREAD
);
235 } else if (sig
== SIGTERM
|| sig
== SIGINT
|| sig
== SIGHUP
) {
236 wwarning("got signal %i - exiting...", sig
);
237 SIG_WCHANGE_STATE(WSTATE_NEED_EXIT
);
240 sigprocmask(SIG_UNBLOCK
, &sigs
, NULL
);
241 DispatchEvent(NULL
); /* Dispatch events imediately. */
244 /* Dummy signal handler */
245 static void dummyHandler(int sig
)
250 *----------------------------------------------------------------------
252 * general signal handler. Exits the program gently.
253 *----------------------------------------------------------------------
255 static RETSIGTYPE
handleSig(int sig
)
257 wfatal("got signal %i", sig
);
259 /* Setting the signal behaviour back to default and then reraising the
260 * signal is a cleaner way to make program exit and core dump than calling
261 * abort(), since it correctly returns from the signal handler and sets
262 * the flags accordingly. -Dan
264 if (sig
== SIGSEGV
|| sig
== SIGFPE
|| sig
== SIGBUS
|| sig
== SIGILL
|| sig
== SIGABRT
) {
265 signal(sig
, SIG_DFL
);
273 static RETSIGTYPE
buryChild(int foo
)
277 int save_errno
= errno
;
281 /* Block signals so that NotifyDeadProcess() doesn't get fux0red */
282 sigprocmask(SIG_BLOCK
, &sigs
, NULL
);
285 /* If 2 or more kids exit in a small time window, before this handler gets
286 * the chance to get invoked, the SIGCHLD signals will be merged and only
287 * one SIGCHLD signal will be sent to us. We use a while loop to get all
288 * exited child status because we can't count on the number of SIGCHLD
289 * signals to know exactly how many kids have exited. -Dan
291 while ((pid
= waitpid(-1, &status
, WNOHANG
)) > 0 || (pid
< 0 && errno
== EINTR
)) {
292 NotifyDeadProcess(pid
, WEXITSTATUS(status
));
295 sigprocmask(SIG_UNBLOCK
, &sigs
, NULL
);
300 static void getOffendingModifiers(void)
303 XModifierKeymap
*modmap
;
304 KeyCode nlock
, slock
;
305 static int mask_table
[8] = {
306 ShiftMask
, LockMask
, ControlMask
, Mod1Mask
,
307 Mod2Mask
, Mod3Mask
, Mod4Mask
, Mod5Mask
310 nlock
= XKeysymToKeycode(dpy
, XK_Num_Lock
);
311 slock
= XKeysymToKeycode(dpy
, XK_Scroll_Lock
);
314 * Find out the masks for the NumLock and ScrollLock modifiers,
315 * so that we can bind the grabs for when they are enabled too.
317 modmap
= XGetModifierMapping(dpy
);
319 if (modmap
!= NULL
&& modmap
->max_keypermod
> 0) {
320 for (i
= 0; i
< 8 * modmap
->max_keypermod
; i
++) {
321 if (modmap
->modifiermap
[i
] == nlock
&& nlock
!= 0)
322 _NumLockMask
= mask_table
[i
/ modmap
->max_keypermod
];
323 else if (modmap
->modifiermap
[i
] == slock
&& slock
!= 0)
324 _ScrollLockMask
= mask_table
[i
/ modmap
->max_keypermod
];
329 XFreeModifiermap(modmap
);
334 wHackedGrabKey(int keycode
, unsigned int modifiers
,
335 Window grab_window
, Bool owner_events
, int pointer_mode
, int keyboard_mode
)
337 if (modifiers
== AnyModifier
)
340 /* grab all combinations of the modifier with CapsLock, NumLock and
341 * ScrollLock. How much memory/CPU does such a monstrosity consume
345 XGrabKey(dpy
, keycode
, modifiers
| _NumLockMask
,
346 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
348 XGrabKey(dpy
, keycode
, modifiers
| _ScrollLockMask
,
349 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
350 if (_NumLockMask
&& _ScrollLockMask
)
351 XGrabKey(dpy
, keycode
, modifiers
| _NumLockMask
| _ScrollLockMask
,
352 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
354 XGrabKey(dpy
, keycode
, modifiers
| _NumLockMask
| LockMask
,
355 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
357 XGrabKey(dpy
, keycode
, modifiers
| _ScrollLockMask
| LockMask
,
358 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
359 if (_NumLockMask
&& _ScrollLockMask
)
360 XGrabKey(dpy
, keycode
, modifiers
| _NumLockMask
| _ScrollLockMask
| LockMask
,
361 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
362 /* phew, I guess that's all, right? */
367 wHackedGrabButton(unsigned int button
, unsigned int modifiers
,
368 Window grab_window
, Bool owner_events
,
369 unsigned int event_mask
, int pointer_mode
, int keyboard_mode
, Window confine_to
, Cursor cursor
)
371 XGrabButton(dpy
, button
, modifiers
, grab_window
, owner_events
,
372 event_mask
, pointer_mode
, keyboard_mode
, confine_to
, cursor
);
374 if (modifiers
== AnyModifier
)
377 XGrabButton(dpy
, button
, modifiers
| LockMask
, grab_window
, owner_events
,
378 event_mask
, pointer_mode
, keyboard_mode
, confine_to
, cursor
);
381 /* same as above, but for mouse buttons */
383 XGrabButton(dpy
, button
, modifiers
| _NumLockMask
,
384 grab_window
, owner_events
, event_mask
, pointer_mode
,
385 keyboard_mode
, confine_to
, cursor
);
387 XGrabButton(dpy
, button
, modifiers
| _ScrollLockMask
,
388 grab_window
, owner_events
, event_mask
, pointer_mode
,
389 keyboard_mode
, confine_to
, cursor
);
390 if (_NumLockMask
&& _ScrollLockMask
)
391 XGrabButton(dpy
, button
, modifiers
| _ScrollLockMask
| _NumLockMask
,
392 grab_window
, owner_events
, event_mask
, pointer_mode
,
393 keyboard_mode
, confine_to
, cursor
);
395 XGrabButton(dpy
, button
, modifiers
| _NumLockMask
| LockMask
,
396 grab_window
, owner_events
, event_mask
, pointer_mode
,
397 keyboard_mode
, confine_to
, cursor
);
399 XGrabButton(dpy
, button
, modifiers
| _ScrollLockMask
| LockMask
,
400 grab_window
, owner_events
, event_mask
, pointer_mode
,
401 keyboard_mode
, confine_to
, cursor
);
402 if (_NumLockMask
&& _ScrollLockMask
)
403 XGrabButton(dpy
, button
, modifiers
| _ScrollLockMask
| _NumLockMask
| LockMask
,
404 grab_window
, owner_events
, event_mask
, pointer_mode
,
405 keyboard_mode
, confine_to
, cursor
);
406 #endif /* NUMLOCK_HACK */
409 WScreen
*wScreenWithNumber(int i
)
411 assert(i
< wScreenCount
);
416 WScreen
*wScreenForRootWindow(Window window
)
420 if (wScreenCount
== 1)
424 * Since the number of heads will probably be small (normally 2),
425 * it should be faster to use this than a hash table, because
428 for (i
= 0; i
< wScreenCount
; i
++) {
429 if (wScreen
[i
]->root_win
== window
) {
434 return wScreenForWindow(window
);
437 WScreen
*wScreenSearchForRootWindow(Window window
)
441 if (wScreenCount
== 1)
445 * Since the number of heads will probably be small (normally 2),
446 * it should be faster to use this than a hash table, because
449 for (i
= 0; i
< wScreenCount
; i
++) {
450 if (wScreen
[i
]->root_win
== window
) {
455 return wScreenForWindow(window
);
458 WScreen
*wScreenForWindow(Window window
)
460 XWindowAttributes attr
;
462 if (wScreenCount
== 1)
465 if (XGetWindowAttributes(dpy
, window
, &attr
)) {
466 return wScreenForRootWindow(attr
.root
);
471 static char *atomNames
[] = {
479 "WM_COLORMAP_WINDOWS",
480 "WM_COLORMAP_NOTIFY",
483 "_WINDOWMAKER_STATE",
484 "_WINDOWMAKER_WM_PROTOCOLS",
485 "_WINDOWMAKER_WM_FUNCTION",
486 "_WINDOWMAKER_NOTICEBOARD",
487 "_WINDOWMAKER_COMMAND",
488 "_WINDOWMAKER_ICON_SIZE",
489 "_WINDOWMAKER_ICON_TILE",
491 GNUSTEP_WM_ATTR_NAME
,
492 GNUSTEP_WM_MINIATURIZE_WINDOW
,
493 GNUSTEP_TITLEBAR_STATE
,
495 "WM_IGNORE_FOCUS_EVENTS"
499 *----------------------------------------------------------
501 * starts the window manager and setup global data.
502 * Called from main() at startup.
505 * global data declared in main.c is initialized
506 *----------------------------------------------------------
508 void StartUp(Bool defaultScreenOnly
)
510 struct sigaction sig_action
;
515 Atom atom
[sizeof(atomNames
) / sizeof(char *)];
518 * Ignore CapsLock in modifiers
520 ValidModMask
= 0xff & ~LockMask
;
522 getOffendingModifiers();
524 * Ignore NumLock and ScrollLock too
526 ValidModMask
&= ~(_NumLockMask
| _ScrollLockMask
);
528 memset(&wKeyBindings
, 0, sizeof(wKeyBindings
));
530 wWinContext
= XUniqueContext();
531 wAppWinContext
= XUniqueContext();
532 wStackContext
= XUniqueContext();
533 wVEdgeContext
= XUniqueContext();
535 /* _XA_VERSION = XInternAtom(dpy, "VERSION", False); */
537 #ifdef HAVE_XINTERNATOMS
538 XInternAtoms(dpy
, atomNames
, sizeof(atomNames
) / sizeof(char *), False
, atom
);
543 for (i
= 0; i
< sizeof(atomNames
) / sizeof(char *); i
++)
544 atom
[i
] = XInternAtom(dpy
, atomNames
[i
], False
);
548 _XA_WM_STATE
= atom
[0];
549 _XA_WM_CHANGE_STATE
= atom
[1];
550 _XA_WM_PROTOCOLS
= atom
[2];
551 _XA_WM_TAKE_FOCUS
= atom
[3];
552 _XA_WM_DELETE_WINDOW
= atom
[4];
553 _XA_WM_SAVE_YOURSELF
= atom
[5];
554 _XA_WM_CLIENT_LEADER
= atom
[6];
555 _XA_WM_COLORMAP_WINDOWS
= atom
[7];
556 _XA_WM_COLORMAP_NOTIFY
= atom
[8];
558 _XA_WINDOWMAKER_MENU
= atom
[9];
559 _XA_WINDOWMAKER_STATE
= atom
[10];
560 _XA_WINDOWMAKER_WM_PROTOCOLS
= atom
[11];
561 _XA_WINDOWMAKER_WM_FUNCTION
= atom
[12];
562 _XA_WINDOWMAKER_NOTICEBOARD
= atom
[13];
563 _XA_WINDOWMAKER_COMMAND
= atom
[14];
564 _XA_WINDOWMAKER_ICON_SIZE
= atom
[15];
565 _XA_WINDOWMAKER_ICON_TILE
= atom
[16];
567 _XA_GNUSTEP_WM_ATTR
= atom
[17];
568 _XA_GNUSTEP_WM_MINIATURIZE_WINDOW
= atom
[18];
569 _XA_GNUSTEP_TITLEBAR_STATE
= atom
[19];
571 _XA_WM_IGNORE_FOCUS_EVENTS
= atom
[20];
574 wXDNDInitializeAtoms();
578 wCursor
[WCUR_NORMAL
] = None
; /* inherit from root */
579 wCursor
[WCUR_ROOT
] = XCreateFontCursor(dpy
, XC_left_ptr
);
580 wCursor
[WCUR_ARROW
] = XCreateFontCursor(dpy
, XC_top_left_arrow
);
581 wCursor
[WCUR_MOVE
] = XCreateFontCursor(dpy
, XC_fleur
);
582 wCursor
[WCUR_RESIZE
] = XCreateFontCursor(dpy
, XC_sizing
);
583 wCursor
[WCUR_TOPLEFTRESIZE
] = XCreateFontCursor(dpy
, XC_top_left_corner
);
584 wCursor
[WCUR_TOPRIGHTRESIZE
] = XCreateFontCursor(dpy
, XC_top_right_corner
);
585 wCursor
[WCUR_BOTTOMLEFTRESIZE
] = XCreateFontCursor(dpy
, XC_bottom_left_corner
);
586 wCursor
[WCUR_BOTTOMRIGHTRESIZE
] = XCreateFontCursor(dpy
, XC_bottom_right_corner
);
587 wCursor
[WCUR_VERTICALRESIZE
] = XCreateFontCursor(dpy
, XC_sb_v_double_arrow
);
588 wCursor
[WCUR_HORIZONRESIZE
] = XCreateFontCursor(dpy
, XC_sb_h_double_arrow
);
589 wCursor
[WCUR_WAIT
] = XCreateFontCursor(dpy
, XC_watch
);
590 wCursor
[WCUR_QUESTION
] = XCreateFontCursor(dpy
, XC_question_arrow
);
591 wCursor
[WCUR_TEXT
] = XCreateFontCursor(dpy
, XC_xterm
); /* odd name??? */
592 wCursor
[WCUR_SELECT
] = XCreateFontCursor(dpy
, XC_cross
);
594 Pixmap cur
= XCreatePixmap(dpy
, DefaultRootWindow(dpy
), 16, 16, 1);
595 GC gc
= XCreateGC(dpy
, cur
, 0, NULL
);
597 memset(&black
, 0, sizeof(XColor
));
598 XSetForeground(dpy
, gc
, 0);
599 XFillRectangle(dpy
, cur
, gc
, 0, 0, 16, 16);
601 wCursor
[WCUR_EMPTY
] = XCreatePixmapCursor(dpy
, cur
, cur
, &black
, &black
, 0, 0);
602 XFreePixmap(dpy
, cur
);
606 /* signal handler stuff that gets called when a signal is caught */
607 WMAddPersistentTimerHandler(500, delayedAction
, NULL
);
610 /* emergency exit... */
611 sig_action
.sa_handler
= handleSig
;
612 sigemptyset(&sig_action
.sa_mask
);
614 sig_action
.sa_flags
= SA_RESTART
;
615 sigaction(SIGQUIT
, &sig_action
, NULL
);
616 /* instead of catching these, we let the default handler abort the
617 * program. The new monitor process will take appropriate action
618 * when it detects the crash.
619 sigaction(SIGSEGV, &sig_action, NULL);
620 sigaction(SIGBUS, &sig_action, NULL);
621 sigaction(SIGFPE, &sig_action, NULL);
622 sigaction(SIGABRT, &sig_action, NULL);
625 sig_action
.sa_handler
= handleExitSig
;
627 /* Here we set SA_RESTART for safety, because SIGUSR1 may not be handled
628 * immediately. -Dan */
629 sig_action
.sa_flags
= SA_RESTART
;
630 sigaction(SIGTERM
, &sig_action
, NULL
);
631 sigaction(SIGINT
, &sig_action
, NULL
);
632 sigaction(SIGHUP
, &sig_action
, NULL
);
633 sigaction(SIGUSR1
, &sig_action
, NULL
);
634 sigaction(SIGUSR2
, &sig_action
, NULL
);
636 /* ignore dead pipe */
637 /* Because POSIX mandates that only signal with handlers are reset
638 * accross an exec*(), we do not want to propagate ignoring SIGPIPEs
639 * to children. Hence the dummy handler.
640 * Philippe Troin <phil@fifi.org>
642 sig_action
.sa_handler
= &dummyHandler
;
643 sig_action
.sa_flags
= SA_RESTART
;
644 sigaction(SIGPIPE
, &sig_action
, NULL
);
646 /* handle dead children */
647 sig_action
.sa_handler
= buryChild
;
648 sig_action
.sa_flags
= SA_NOCLDSTOP
| SA_RESTART
;
649 sigaction(SIGCHLD
, &sig_action
, NULL
);
651 /* Now we unblock all signals, that may have been blocked by the parent
652 * who exec()-ed us. This can happen for example if Window Maker crashes
653 * and restarts itself or another window manager from the signal handler.
654 * In this case, the new proccess inherits the blocked signal mask and
655 * will no longer react to that signal, until unblocked.
656 * This is because the signal handler of the proccess who crashed (parent)
657 * didn't return, and the signal remained blocked. -Dan
659 sigfillset(&sig_action
.sa_mask
);
660 sigprocmask(SIG_UNBLOCK
, &sig_action
.sa_mask
, NULL
);
662 /* handle X shutdowns a such */
663 XSetIOErrorHandler(handleXIO
);
665 /* set hook for out event dispatcher in WINGs event dispatcher */
666 WMHookEventHandler(DispatchEvent
);
668 /* initialize defaults stuff */
669 WDWindowMaker
= wDefaultsInitDomain("WindowMaker", True
);
670 if (!WDWindowMaker
->dictionary
)
671 wwarning(_("could not read domain \"%s\" from defaults database"), "WindowMaker");
673 /* read defaults that don't change until a restart and are
674 * screen independent */
675 wReadStaticDefaults(WDWindowMaker
? WDWindowMaker
->dictionary
: NULL
);
677 /* check sanity of some values */
678 if (wPreferences
.icon_size
< 16) {
679 wwarning(_("icon size is configured to %i, but it's too small. Using 16 instead"),
680 wPreferences
.icon_size
);
681 wPreferences
.icon_size
= 16;
684 /* init other domains */
685 WDRootMenu
= wDefaultsInitDomain("WMRootMenu", False
);
686 if (!WDRootMenu
->dictionary
)
687 wwarning(_("could not read domain \"%s\" from defaults database"), "WMRootMenu");
689 wDefaultsMergeGlobalMenus(WDRootMenu
);
691 WDWindowAttributes
= wDefaultsInitDomain("WMWindowAttributes", True
);
692 if (!WDWindowAttributes
->dictionary
)
693 wwarning(_("could not read domain \"%s\" from defaults database"), "WMWindowAttributes");
695 XSetErrorHandler((XErrorHandler
) catchXError
);
699 wShapeSupported
= XShapeQueryExtension(dpy
, &wShapeEventBase
, &j
);
703 has_randr
= XRRQueryExtension(dpy
, &randr_event_base
, &dummy
);
706 #ifdef KEEP_XKB_LOCK_STATUS
707 wXkbSupported
= XkbQueryExtension(dpy
, NULL
, &wXkbEventBase
, NULL
, NULL
, NULL
);
708 if (wPreferences
.modelock
&& !wXkbSupported
) {
709 wwarning(_("XKB is not supported. KbdModeLock is automatically disabled."));
710 wPreferences
.modelock
= 0;
714 if (defaultScreenOnly
)
717 max
= ScreenCount(dpy
);
719 wScreen
= wmalloc(sizeof(WScreen
*) * max
);
723 /* manage the screens */
724 for (j
= 0; j
< max
; j
++) {
725 if (defaultScreenOnly
|| max
== 1) {
726 wScreen
[wScreenCount
] = wScreenInit(DefaultScreen(dpy
));
727 if (!wScreen
[wScreenCount
]) {
728 wfatal(_("it seems that there is already a window manager running"));
732 wScreen
[wScreenCount
] = wScreenInit(j
);
733 if (!wScreen
[wScreenCount
]) {
734 wwarning(_("could not manage screen %i"), j
);
741 InitializeSwitchMenu();
743 /* initialize/restore state for the screens */
744 for (j
= 0; j
< wScreenCount
; j
++) {
747 lastDesktop
= wNETWMGetCurrentDesktopFromHint(wScreen
[j
]);
749 wScreenRestoreState(wScreen
[j
]);
751 /* manage all windows that were already here before us */
752 if (!wPreferences
.flags
.nodock
&& wScreen
[j
]->dock
)
753 wScreen
[j
]->last_dock
= wScreen
[j
]->dock
;
755 manageAllWindows(wScreen
[j
], wPreferences
.flags
.restarting
== 2);
757 /* restore saved menus */
758 wMenuRestoreState(wScreen
[j
]);
760 /* If we're not restarting, restore session */
761 if (wPreferences
.flags
.restarting
== 0 && !wPreferences
.flags
.norestore
)
762 wSessionRestoreState(wScreen
[j
]);
764 if (!wPreferences
.flags
.noautolaunch
) {
765 /* auto-launch apps */
766 if (!wPreferences
.flags
.nodock
&& wScreen
[j
]->dock
) {
767 wScreen
[j
]->last_dock
= wScreen
[j
]->dock
;
768 wDockDoAutoLaunch(wScreen
[j
]->dock
, 0);
770 /* auto-launch apps in clip */
771 if (!wPreferences
.flags
.noclip
) {
773 for (i
= 0; i
< wScreen
[j
]->workspace_count
; i
++) {
774 if (wScreen
[j
]->workspaces
[i
]->clip
) {
775 wScreen
[j
]->last_dock
= wScreen
[j
]->workspaces
[i
]->clip
;
776 wDockDoAutoLaunch(wScreen
[j
]->workspaces
[i
]->clip
, i
);
782 /* go to workspace where we were before restart */
783 if (lastDesktop
>= 0)
784 wWorkspaceForceChange(wScreen
[j
], lastDesktop
);
786 wSessionRestoreLastWorkspace(wScreen
[j
]);
789 if (wScreenCount
== 0) {
790 wfatal(_("could not manage any screen"));
795 /* setup defaults file polling */
796 if (!wPreferences
.flags
.nopolling
&& !wPreferences
.flags
.noupdates
)
797 WMAddTimerHandler(3000, wDefaultsCheckDomains
, NULL
);
802 static Bool
windowInList(Window window
, Window
* list
, int count
)
804 for (; count
>= 0; count
--) {
805 if (window
== list
[count
])
812 *-----------------------------------------------------------------------
814 * Manages all windows in the screen.
817 * Called when the wm is being started.
818 * No events can be processed while the windows are being
819 * reparented/managed.
820 *-----------------------------------------------------------------------
822 static void manageAllWindows(WScreen
* scr
, int crashRecovery
)
826 unsigned int nchildren
;
831 XQueryTree(dpy
, scr
->root_win
, &root
, &parent
, &children
, &nchildren
);
833 scr
->flags
.startup
= 1;
835 /* first remove all icon windows */
836 for (i
= 0; i
< nchildren
; i
++) {
839 if (children
[i
] == None
)
842 wmhints
= XGetWMHints(dpy
, children
[i
]);
843 if (wmhints
&& (wmhints
->flags
& IconWindowHint
)) {
844 for (j
= 0; j
< nchildren
; j
++) {
845 if (children
[j
] == wmhints
->icon_window
) {
858 for (i
= 0; i
< nchildren
; i
++) {
859 if (children
[i
] == None
)
862 wwin
= wManageWindow(scr
, children
[i
]);
864 /* apply states got from WSavedState */
865 /* shaded + minimized is not restored correctly */
866 if (wwin
->flags
.shaded
) {
867 wwin
->flags
.shaded
= 0;
870 if (wwin
->flags
.miniaturized
871 && (wwin
->transient_for
== None
872 || wwin
->transient_for
== scr
->root_win
873 || !windowInList(wwin
->transient_for
, children
, nchildren
))) {
875 wwin
->flags
.skip_next_animation
= 1;
876 wwin
->flags
.miniaturized
= 0;
877 wIconifyWindow(wwin
);
879 wClientSetState(wwin
, NormalState
, None
);
884 border
= (!HAS_BORDER(wwin
) ? 0 : FRAME_BORDER_WIDTH
);
886 wWindowMove(wwin
, wwin
->frame_x
- border
,
887 wwin
->frame_y
- border
-
888 (wwin
->frame
->titlebar
? wwin
->frame
->titlebar
->height
: 0));
895 wwin
= scr
->focused_window
;
897 if (wwin
->flags
.hidden
) {
898 WApplication
*wapp
= wApplicationOf(wwin
->main_window
);
901 wwin
->flags
.hidden
= 0;
902 wHideApplication(wapp
);
904 wwin
->flags
.hidden
= 0;
911 scr
->flags
.startup
= 0;
912 scr
->flags
.startup2
= 1;
914 while (XPending(dpy
)) {
916 WMNextEvent(dpy
, &ev
);
919 wWorkspaceForceChange(scr
, 0);
920 if (!wPreferences
.flags
.noclip
)
921 wDockShowIcons(scr
->workspaces
[scr
->current_workspace
]->clip
);
922 scr
->flags
.startup2
= 0;