2 * Window Maker window manager
4 * Copyright (c) 1997, 1998 Alfredo K. Kojima
5 * Copyright (c) 1999 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
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
32 #include <sys/signal.h>
36 #include <X11/Xutil.h>
37 #include <X11/Intrinsic.h>
38 #include <X11/cursorfont.h>
39 #include <X11/Xproto.h>
40 #include <X11/keysym.h>
42 #include <X11/extensions/shape.h>
45 #include "WindowMaker.h"
54 #include "workspace.h"
59 #include "properties.h"
72 #ifdef SYS_SIGLIST_DECLARED
73 extern const char * const sys_siglist
[];
82 /* Just in case, for weirdo systems */
87 /****** Global Variables ******/
89 extern WPreferences wPreferences
;
91 extern WDDomain
*WDWindowMaker
;
92 extern WDDomain
*WDRootMenu
;
93 extern WDDomain
*WDWindowAttributes
;
95 extern WShortKey wKeyBindings
[WKBD_LAST
];
97 extern int wScreenCount
;
101 extern Bool wShapeSupported
;
102 extern int wShapeEventBase
;
105 #ifdef KEEP_XKB_LOCK_STATUS
106 extern Bool wXkbSupported
;
107 extern int wXkbEventBase
;
111 extern XContext wWinContext
;
112 extern XContext wAppWinContext
;
113 extern XContext wStackContext
;
116 extern Atom _XA_WM_STATE
;
117 extern Atom _XA_WM_CHANGE_STATE
;
118 extern Atom _XA_WM_PROTOCOLS
;
119 extern Atom _XA_WM_TAKE_FOCUS
;
120 extern Atom _XA_WM_DELETE_WINDOW
;
121 extern Atom _XA_WM_SAVE_YOURSELF
;
122 extern Atom _XA_WM_CLIENT_LEADER
;
123 extern Atom _XA_WM_COLORMAP_WINDOWS
;
124 extern Atom _XA_WM_COLORMAP_NOTIFY
;
126 extern Atom _XA_GNUSTEP_WM_ATTR
;
128 extern Atom _XA_WINDOWMAKER_MENU
;
129 extern Atom _XA_WINDOWMAKER_WM_PROTOCOLS
;
130 extern Atom _XA_WINDOWMAKER_STATE
;
131 extern Atom _XA_WINDOWMAKER_WM_FUNCTION
;
132 extern Atom _XA_WINDOWMAKER_NOTICEBOARD
;
133 extern Atom _XA_WINDOWMAKER_COMMAND
;
134 extern Atom _XA_WINDOWMAKER_ICON_SIZE
;
135 extern Atom _XA_WINDOWMAKER_ICON_TILE
;
137 extern Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW
;
138 extern Atom _XA_GNUSTEP_TITLEBAR_STATE
;
141 extern Atom _XA_DND_PROTOCOL
;
142 extern Atom _XA_DND_SELECTION
;
147 extern Cursor wCursor
[WCUR_LAST
];
150 extern char WDelayedActionSet
;
154 static WScreen
**wScreen
= NULL
;
157 static unsigned int _NumLockMask
= 0;
158 static unsigned int _ScrollLockMask
= 0;
162 static void manageAllWindows();
164 extern void NotifyDeadProcess(pid_t pid
, unsigned char status
);
168 catchXError(Display
*dpy
, XErrorEvent
*error
)
170 char buffer
[MAXLINE
];
172 /* ignore some errors */
173 if (error
->resourceid
!= None
174 && ((error
->error_code
== BadDrawable
175 && error
->request_code
== X_GetGeometry
)
176 || (error
->error_code
== BadMatch
177 && (error
->request_code
== X_SetInputFocus
))
178 || (error
->error_code
== BadWindow
)
180 && (error->request_code == X_GetWindowAttributes
181 || error->request_code == X_SetInputFocus
182 || error->request_code == X_ChangeWindowAttributes
183 || error->request_code == X_GetProperty
184 || error->request_code == X_ChangeProperty
185 || error->request_code == X_QueryTree
186 || error->request_code == X_GrabButton
187 || error->request_code == X_UngrabButton
188 || error->request_code == X_SendEvent
189 || error->request_code == X_ConfigureWindow))
191 || (error
->request_code
== X_InstallColormap
))) {
196 printf("got X error %x %x %x\n", error
->request_code
,
197 error
->error_code
, (unsigned)error
->resourceid
);
201 FormatXError(dpy
, error
, buffer
, MAXLINE
);
202 wwarning(_("internal X error: %s\n"), buffer
);
208 *----------------------------------------------------------------------
210 * Handle X shutdowns and other stuff.
211 *----------------------------------------------------------------------
214 handleXIO(Display
*xio_dpy
)
223 *----------------------------------------------------------------------
225 * Action to be executed after the signal() handler is exited.
226 *----------------------------------------------------------------------
229 delayedAction(void *cdata
)
231 if (WDelayedActionSet
== 0) {
236 * Make the event dispatcher do whatever it needs to do,
237 * including handling zombie processes, restart and exit
245 *----------------------------------------------------------------------
247 * User generated exit signal handler.
248 *----------------------------------------------------------------------
251 handleExitSig(int sig
)
256 sigprocmask(SIG_BLOCK
, &sigs
, NULL
);
258 if (sig
== SIGUSR1
) {
259 #ifdef SYS_SIGLIST_DECLARED
260 wwarning(_("got signal %i (%s) - restarting\n"), sig
, sys_siglist
[sig
]);
262 wwarning(_("got signal %i - restarting\n"), sig
);
265 SIG_WCHANGE_STATE(WSTATE_NEED_RESTART
);
266 /* setup idle handler, so that this will be handled when
267 * the select() is returned becaused of the signal, even if
268 * there are no X events in the queue */
270 } else if (sig
== SIGUSR2
) {
271 #ifdef SYS_SIGLIST_DECLARED
272 wwarning(_("got signal %i (%s) - rereading defaults\n"), sig
, sys_siglist
[sig
]);
274 wwarning(_("got signal %i - rereading defaults\n"), sig
);
277 SIG_WCHANGE_STATE(WSTATE_NEED_REREAD
);
278 /* setup idle handler, so that this will be handled when
279 * the select() is returned becaused of the signal, even if
280 * there are no X events in the queue */
282 } else if (sig
== SIGINT
|| sig
== SIGHUP
) {
283 #ifdef SYS_SIGLIST_DECLARED
284 wwarning(_("got signal %i (%s) - exiting...\n"), sig
, sys_siglist
[sig
]);
286 wwarning(_("got signal %i - exiting...\n"), sig
);
289 SIG_WCHANGE_STATE(WSTATE_NEED_EXIT
);
294 sigprocmask(SIG_UNBLOCK
, &sigs
, NULL
);
298 *----------------------------------------------------------------------
300 * general signal handler. Exits the program gently.
301 *----------------------------------------------------------------------
306 static int already_crashed
= 0;
308 #ifndef NO_EMERGENCY_AUTORESTART
316 * No functions that potentially do Xlib calls should be called from
317 * here. Xlib calls are not reentrant so the integrity of Xlib is
318 * not guaranteed if a Xlib call is made from a signal handler.
321 #ifdef SYS_SIGLIST_DECLARED
322 wfatal(_("got signal %i (%s)\n"), sig
, sys_siglist
[sig
]);
324 wfatal(_("got signal %i\n"), sig
);
327 /* Setting the signal behaviour back to default and then reraising the
328 * signal is a cleaner way to make program exit and core dump than calling
329 * abort(), since it correctly returns from the signal handler and sets
330 * the flags accordingly. -Dan
332 if (sig
==SIGSEGV
|| sig
==SIGFPE
|| sig
==SIGBUS
|| sig
==SIGILL
334 if (already_crashed
) {
335 wfatal(_("crashed while trying to do some post-crash cleanup. Aborting immediatelly."));
336 signal(sig
, SIG_DFL
);
345 * Yeah, we shouldn't do this, but it's already crashed anyway :P
348 #ifndef NO_EMERGENCY_AUTORESTART
349 /* Close the X connection and open a new one. This is to avoid messing
350 * Xlib because we call to Xlib functions in a signal handler.
354 dpy
= XOpenDisplay("");
357 crashAction
= wShowCrashingDialogPanel(sig
);
361 wsyserror(_("cannot open connection for crashing dialog panel. Aborting."));
362 crashAction
= WMAbort
;
365 if (crashAction
== WMAbort
) {
366 signal(sig
, SIG_DFL
);
371 if (crashAction
== WMRestart
) {
372 /* we try to restart Window Maker */
373 wmessage(_("trying to restart Window Maker..."));
374 Restart(NULL
, False
);
375 /* fallback to alternate window manager then */
378 wmessage(_("trying to start alternate window manager..."));
380 Restart(FALLBACK_WINDOWMANAGER
, False
);
381 Restart("fvwm", False
);
382 Restart("twm", False
);
383 wfatal(_("failed to start alternate window manager. Aborting."));
385 wfatal(_("a fatal error has occured, probably due to a bug. "
386 "Please fill the included BUGFORM and report it."));
387 #endif /* !NO_EMERGENCY_AUTORESTART */
389 signal(sig
, SIG_DFL
);
404 int save_errno
= errno
;
408 /* Block signals so that NotifyDeadProcess() doesn't get fux0red */
409 sigprocmask(SIG_BLOCK
, &sigs
, NULL
);
412 /* If 2 or more kids exit in a small time window, before this handler gets
413 * the chance to get invoked, the SIGCHLD signals will be merged and only
414 * one SIGCHLD signal will be sent to us. We use a while loop to get all
415 * exited child status because we can't count on the number of SIGCHLD
416 * signals to know exactly how many kids have exited. -Dan
418 while ((pid
=waitpid(-1, &status
, WNOHANG
))>0 || (pid
<0 && errno
==EINTR
)) {
419 NotifyDeadProcess(pid
, WEXITSTATUS(status
));
424 sigprocmask(SIG_UNBLOCK
, &sigs
, NULL
);
431 getWorkspaceState(Window root
, WWorkspaceState
**state
)
435 unsigned long nitems_ret
;
436 unsigned long bytes_after_ret
;
439 if (XGetWindowProperty(dpy
, root
, _XA_WINDOWMAKER_STATE
, 0, 2,
440 True
, _XA_WINDOWMAKER_STATE
,
441 &type_ret
, &fmt_ret
, &nitems_ret
, &bytes_after_ret
,
442 (unsigned char **)&data
)!=Success
|| !data
)
445 *state
= malloc(sizeof(WWorkspaceState
));
447 (*state
)->flags
= data
[0];
448 (*state
)->workspace
= data
[1];
452 if (*state
&& type_ret
==_XA_WINDOWMAKER_STATE
)
460 getOffendingModifiers()
463 XModifierKeymap
*modmap
;
464 KeyCode nlock
, slock
;
465 static int mask_table
[8] = {
466 ShiftMask
,LockMask
,ControlMask
,Mod1Mask
,
467 Mod2Mask
, Mod3Mask
, Mod4Mask
, Mod5Mask
470 nlock
= XKeysymToKeycode(dpy
, XK_Num_Lock
);
471 slock
= XKeysymToKeycode(dpy
, XK_Scroll_Lock
);
474 * Find out the masks for the NumLock and ScrollLock modifiers,
475 * so that we can bind the grabs for when they are enabled too.
477 modmap
= XGetModifierMapping(dpy
);
479 if (modmap
!=NULL
&& modmap
->max_keypermod
>0) {
480 for (i
=0; i
<8*modmap
->max_keypermod
; i
++) {
481 if (modmap
->modifiermap
[i
]==nlock
&& nlock
!=0)
482 _NumLockMask
= mask_table
[i
/modmap
->max_keypermod
];
483 else if (modmap
->modifiermap
[i
]==slock
&& slock
!=0)
484 _ScrollLockMask
= mask_table
[i
/modmap
->max_keypermod
];
489 XFreeModifiermap(modmap
);
496 wHackedGrabKey(int keycode
, unsigned int modifiers
,
497 Window grab_window
, Bool owner_events
, int pointer_mode
,
500 if (modifiers
== AnyModifier
)
503 /* grab all combinations of the modifier with CapsLock, NumLock and
504 * ScrollLock. How much memory/CPU does such a monstrosity consume
508 XGrabKey(dpy
, keycode
, modifiers
|_NumLockMask
,
509 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
511 XGrabKey(dpy
, keycode
, modifiers
|_ScrollLockMask
,
512 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
513 if (_NumLockMask
&& _ScrollLockMask
)
514 XGrabKey(dpy
, keycode
, modifiers
|_NumLockMask
|_ScrollLockMask
,
515 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
517 XGrabKey(dpy
, keycode
, modifiers
|_NumLockMask
|LockMask
,
518 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
520 XGrabKey(dpy
, keycode
, modifiers
|_ScrollLockMask
|LockMask
,
521 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
522 if (_NumLockMask
&& _ScrollLockMask
)
523 XGrabKey(dpy
, keycode
, modifiers
|_NumLockMask
|_ScrollLockMask
|LockMask
,
524 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
525 /* phew, I guess that's all, right? */
530 wHackedGrabButton(unsigned int button
, unsigned int modifiers
,
531 Window grab_window
, Bool owner_events
,
532 unsigned int event_mask
, int pointer_mode
,
533 int keyboard_mode
, Window confine_to
, Cursor cursor
)
535 XGrabButton(dpy
, button
, modifiers
, grab_window
, owner_events
,
536 event_mask
, pointer_mode
, keyboard_mode
, confine_to
, cursor
);
538 if (modifiers
==AnyModifier
)
541 XGrabButton(dpy
, button
, modifiers
|LockMask
, grab_window
, owner_events
,
542 event_mask
, pointer_mode
, keyboard_mode
, confine_to
, cursor
);
545 /* same as above, but for mouse buttons */
547 XGrabButton(dpy
, button
, modifiers
|_NumLockMask
,
548 grab_window
, owner_events
, event_mask
, pointer_mode
,
549 keyboard_mode
, confine_to
, cursor
);
551 XGrabButton(dpy
, button
, modifiers
|_ScrollLockMask
,
552 grab_window
, owner_events
, event_mask
, pointer_mode
,
553 keyboard_mode
, confine_to
, cursor
);
554 if (_NumLockMask
&& _ScrollLockMask
)
555 XGrabButton(dpy
, button
, modifiers
|_ScrollLockMask
|_NumLockMask
,
556 grab_window
, owner_events
, event_mask
, pointer_mode
,
557 keyboard_mode
, confine_to
, cursor
);
559 XGrabButton(dpy
, button
, modifiers
|_NumLockMask
|LockMask
,
560 grab_window
, owner_events
, event_mask
, pointer_mode
,
561 keyboard_mode
, confine_to
, cursor
);
563 XGrabButton(dpy
, button
, modifiers
|_ScrollLockMask
|LockMask
,
564 grab_window
, owner_events
, event_mask
, pointer_mode
,
565 keyboard_mode
, confine_to
, cursor
);
566 if (_NumLockMask
&& _ScrollLockMask
)
567 XGrabButton(dpy
, button
, modifiers
|_ScrollLockMask
|_NumLockMask
|LockMask
,
568 grab_window
, owner_events
, event_mask
, pointer_mode
,
569 keyboard_mode
, confine_to
, cursor
);
570 #endif /* NUMLOCK_HACK */
575 wHackedUngrabButton(unsigned int button
, unsigned int modifiers
,
578 XUngrabButton(dpy
, button
, modifiers
|_NumLockMask
,
580 XUngrabButton(dpy
, button
, modifiers
|_ScrollLockMask
,
582 XUngrabButton(dpy
, button
, modifiers
|_NumLockMask
|_ScrollLockMask
,
584 XUngrabButton(dpy
, button
, modifiers
|_NumLockMask
|LockMask
,
586 XUngrabButton(dpy
, button
, modifiers
|_ScrollLockMask
|LockMask
,
588 XUngrabButton(dpy
, button
, modifiers
|_NumLockMask
|_ScrollLockMask
|LockMask
,
596 wScreenWithNumber(int i
)
598 assert(i
< wScreenCount
);
605 wScreenForRootWindow(Window window
)
613 * Since the number of heads will probably be small (normally 2),
614 * it should be faster to use this than a hash table, because
617 for (i
=0; i
<wScreenCount
; i
++) {
618 if (wScreen
[i
]->root_win
== window
) {
623 assert("bad_root_window" && 0);
630 wScreenSearchForRootWindow(Window window
)
638 * Since the number of heads will probably be small (normally 2),
639 * it should be faster to use this than a hash table, because
642 for (i
=0; i
<wScreenCount
; i
++) {
643 if (wScreen
[i
]->root_win
== window
) {
653 wScreenForWindow(Window window
)
655 XWindowAttributes attr
;
660 if (XGetWindowAttributes(dpy
, window
, &attr
)) {
661 return wScreenForRootWindow(attr
.root
);
667 static char *atomNames
[] = {
675 "WM_COLORMAP_WINDOWS",
676 "WM_COLORMAP_NOTIFY",
677 GNUSTEP_WM_ATTR_NAME
,
679 "_WINDOWMAKER_STATE",
680 "_WINDOWMAKER_WM_PROTOCOLS",
681 GNUSTEP_WM_MINIATURIZE_WINDOW
,
682 "_WINDOWMAKER_WM_FUNCTION",
683 "_WINDOWMAKER_NOTICEBOARD",
684 "_WINDOWMAKER_COMMAND",
685 "_WINDOWMAKER_ICON_SIZE",
686 "_WINDOWMAKER_ICON_TILE",
687 GNUSTEP_TITLEBAR_STATE
692 *----------------------------------------------------------
694 * starts the window manager and setup global data.
695 * Called from main() at startup.
698 * global data declared in main.c is initialized
699 *----------------------------------------------------------
702 StartUp(Bool defaultScreenOnly
)
704 WWorkspaceState
*ws_state
;
705 struct sigaction sig_action
;
707 Atom atom
[sizeof(atomNames
)/sizeof(char*)];
710 * Ignore CapsLock in modifiers
712 ValidModMask
= 0xff & ~LockMask
;
714 getOffendingModifiers();
716 * Ignore NumLock and ScrollLock too
718 ValidModMask
&= ~(_NumLockMask
|_ScrollLockMask
);
721 memset(&wKeyBindings
, 0, sizeof(wKeyBindings
));
723 wWinContext
= XUniqueContext();
724 wAppWinContext
= XUniqueContext();
725 wStackContext
= XUniqueContext();
727 /* _XA_VERSION = XInternAtom(dpy, "VERSION", False);*/
729 #ifdef HAVE_XINTERNATOMS
730 XInternAtoms(dpy
, atomNames
, sizeof(atomNames
)/sizeof(char*),
736 for (i
= 0; i
< sizeof(atomNames
)/sizeof(char*); i
++) {
737 atom
[i
] = XInternAtom(dpy
, atomNames
[i
], False
);
742 _XA_WM_STATE
= atom
[0];
743 _XA_WM_CHANGE_STATE
= atom
[1];
744 _XA_WM_PROTOCOLS
= atom
[2];
745 _XA_WM_TAKE_FOCUS
= atom
[3];
746 _XA_WM_DELETE_WINDOW
= atom
[4];
747 _XA_WM_SAVE_YOURSELF
= atom
[5];
748 _XA_WM_CLIENT_LEADER
= atom
[6];
749 _XA_WM_COLORMAP_WINDOWS
= atom
[7];
750 _XA_WM_COLORMAP_NOTIFY
= atom
[8];
752 _XA_GNUSTEP_WM_ATTR
= atom
[9];
754 _XA_WINDOWMAKER_MENU
= atom
[10];
755 _XA_WINDOWMAKER_STATE
= atom
[11];
757 _XA_WINDOWMAKER_WM_PROTOCOLS
= atom
[12];
759 _XA_GNUSTEP_WM_MINIATURIZE_WINDOW
= atom
[13];
761 _XA_WINDOWMAKER_WM_FUNCTION
= atom
[14];
763 _XA_WINDOWMAKER_NOTICEBOARD
= atom
[15];
765 _XA_WINDOWMAKER_COMMAND
= atom
[16];
767 _XA_WINDOWMAKER_ICON_SIZE
= atom
[17];
768 _XA_WINDOWMAKER_ICON_TILE
= atom
[18];
770 _XA_GNUSTEP_TITLEBAR_STATE
= atom
[19];
773 _XA_DND_SELECTION
= XInternAtom(dpy
, "DndSelection", False
);
774 _XA_DND_PROTOCOL
= XInternAtom(dpy
, "DndProtocol", False
);
777 wXDNDInitializeAtoms();
782 #ifdef DEFINABLE_CURSOR
783 wCursor
[WCUR_NORMAL
] = None
;
785 wCursor
[WCUR_NORMAL
] = XCreateFontCursor(dpy
, XC_left_ptr
);
787 wCursor
[WCUR_ROOT
] = XCreateFontCursor(dpy
, XC_left_ptr
);
788 wCursor
[WCUR_ARROW
] = XCreateFontCursor(dpy
, XC_top_left_arrow
);
789 wCursor
[WCUR_MOVE
] = XCreateFontCursor(dpy
, XC_fleur
);
790 wCursor
[WCUR_RESIZE
] = XCreateFontCursor(dpy
, XC_sizing
);
791 wCursor
[WCUR_TOPLEFTRESIZE
] = XCreateFontCursor(dpy
, XC_top_left_corner
);
792 wCursor
[WCUR_TOPRIGHTRESIZE
] = XCreateFontCursor(dpy
, XC_top_right_corner
);
793 wCursor
[WCUR_BOTTOMLEFTRESIZE
] = XCreateFontCursor(dpy
, XC_bottom_left_corner
);
794 wCursor
[WCUR_BOTTOMRIGHTRESIZE
] = XCreateFontCursor(dpy
, XC_bottom_right_corner
);
795 wCursor
[WCUR_VERTICALRESIZE
] = XCreateFontCursor(dpy
, XC_sb_v_double_arrow
);
796 wCursor
[WCUR_HORIZONRESIZE
] = XCreateFontCursor(dpy
, XC_sb_h_double_arrow
);
797 wCursor
[WCUR_WAIT
] = XCreateFontCursor(dpy
, XC_watch
);
798 wCursor
[WCUR_QUESTION
] = XCreateFontCursor(dpy
, XC_question_arrow
);
799 wCursor
[WCUR_TEXT
] = XCreateFontCursor(dpy
, XC_xterm
); /* odd name???*/
800 wCursor
[WCUR_SELECT
] = XCreateFontCursor(dpy
, XC_cross
);
802 /* signal handler stuff that gets called when a signal is caught */
803 WMAddEternalTimerHandler(500, delayedAction
, NULL
);
805 /* emergency exit... */
806 sig_action
.sa_handler
= handleSig
;
807 sigemptyset(&sig_action
.sa_mask
);
809 sig_action
.sa_flags
= SA_RESTART
;
810 sigaction(SIGQUIT
, &sig_action
, NULL
);
811 sigaction(SIGSEGV
, &sig_action
, NULL
);
812 sigaction(SIGBUS
, &sig_action
, NULL
);
813 sigaction(SIGFPE
, &sig_action
, NULL
);
814 sigaction(SIGABRT
, &sig_action
, NULL
);
816 sig_action
.sa_handler
= handleExitSig
;
818 /* Here we set SA_RESTART for safety, because SIGUSR1 may not be handled
821 sig_action
.sa_flags
= SA_RESTART
;
822 /* sigaction(SIGTERM, &sig_action, NULL);*/
823 sigaction(SIGINT
, &sig_action
, NULL
);
824 sigaction(SIGHUP
, &sig_action
, NULL
);
825 sigaction(SIGUSR1
, &sig_action
, NULL
);
826 sigaction(SIGUSR2
, &sig_action
, NULL
);
828 /* ignore dead pipe */
829 sig_action
.sa_handler
= SIG_IGN
;
830 sig_action
.sa_flags
= SA_RESTART
;
831 sigaction(SIGPIPE
, &sig_action
, NULL
);
833 /* handle dead children */
834 sig_action
.sa_handler
= buryChild
;
835 sig_action
.sa_flags
= SA_NOCLDSTOP
|SA_RESTART
;
836 sigaction(SIGCHLD
, &sig_action
, NULL
);
838 /* Now we unblock all signals, that may have been blocked by the parent
839 * who exec()-ed us. This can happen for example if Window Maker crashes
840 * and restarts itself or another window manager from the signal handler.
841 * In this case, the new proccess inherits the blocked signal mask and
842 * will no longer react to that signal, until unblocked.
843 * This is because the signal handler of the proccess who crashed (parent)
844 * didn't return, and the signal remained blocked. -Dan
846 sigfillset(&sig_action
.sa_mask
);
847 sigprocmask(SIG_UNBLOCK
, &sig_action
.sa_mask
, NULL
);
849 /* handle X shutdowns a such */
850 XSetIOErrorHandler(handleXIO
);
852 /* set hook for out event dispatcher in WINGs event dispatcher */
853 WMHookEventHandler(DispatchEvent
);
855 /* initialize defaults stuff */
856 WDWindowMaker
= wDefaultsInitDomain("WindowMaker", True
);
857 if (!WDWindowMaker
->dictionary
) {
858 wwarning(_("could not read domain \"%s\" from defaults database"),
862 /* read defaults that don't change until a restart and are
863 * screen independent */
864 wReadStaticDefaults(WDWindowMaker
? WDWindowMaker
->dictionary
: NULL
);
866 /* check sanity of some values */
867 if (wPreferences
.icon_size
< 16) {
868 wwarning(_("icon size is configured to %i, but it's too small. Using 16, instead\n"),
869 wPreferences
.icon_size
);
870 wPreferences
.icon_size
= 16;
873 /* init other domains */
874 WDRootMenu
= wDefaultsInitDomain("WMRootMenu", False
);
875 if (!WDRootMenu
->dictionary
) {
876 wwarning(_("could not read domain \"%s\" from defaults database"),
880 WDWindowAttributes
= wDefaultsInitDomain("WMWindowAttributes", True
);
881 if (!WDWindowAttributes
->dictionary
) {
882 wwarning(_("could not read domain \"%s\" from defaults database"),
883 "WMWindowAttributes");
886 XSetErrorHandler((XErrorHandler
)catchXError
);
890 wShapeSupported
= XShapeQueryExtension(dpy
, &wShapeEventBase
, &j
);
893 #ifdef KEEP_XKB_LOCK_STATUS
894 wXkbSupported
= XkbQueryExtension(dpy
, NULL
, &wXkbEventBase
, NULL
, NULL
, NULL
);
895 if(wPreferences
.modelock
&& !wXkbSupported
) {
896 wwarning(_("XKB is not supported. KbdModeLock is automatically disabled."));
897 wPreferences
.modelock
= 0;
901 if (defaultScreenOnly
) {
904 max
= ScreenCount(dpy
);
906 wScreen
= wmalloc(sizeof(WScreen
*)*max
);
910 /* manage the screens */
911 for (j
= 0; j
< max
; j
++) {
912 if (defaultScreenOnly
|| max
==1) {
913 wScreen
[wScreenCount
] = wScreenInit(DefaultScreen(dpy
));
914 if (!wScreen
[wScreenCount
]) {
915 wfatal(_("it seems that there is already a window manager running"));
919 wScreen
[wScreenCount
] = wScreenInit(j
);
920 if (!wScreen
[wScreenCount
]) {
921 wwarning(_("could not manage screen %i"), j
);
928 /* initialize/restore state for the screens */
929 for (j
= 0; j
< wScreenCount
; j
++) {
930 /* restore workspace state */
931 if (!getWorkspaceState(wScreen
[j
]->root_win
, &ws_state
)) {
935 wScreenRestoreState(wScreen
[j
]);
937 /* manage all windows that were already here before us */
938 if (!wPreferences
.flags
.nodock
&& wScreen
[j
]->dock
)
939 wScreen
[j
]->last_dock
= wScreen
[j
]->dock
;
941 manageAllWindows(wScreen
[j
]);
943 /* restore saved menus */
944 wMenuRestoreState(wScreen
[j
]);
946 /* If we're not restarting restore session */
947 if (ws_state
== NULL
&& !wPreferences
.flags
.norestore
)
948 wSessionRestoreState(wScreen
[j
]);
950 if (!wPreferences
.flags
.noautolaunch
) {
951 /* auto-launch apps */
952 if (!wPreferences
.flags
.nodock
&& wScreen
[j
]->dock
) {
953 wScreen
[j
]->last_dock
= wScreen
[j
]->dock
;
954 wDockDoAutoLaunch(wScreen
[j
]->dock
, 0);
956 /* auto-launch apps in clip */
957 if (!wPreferences
.flags
.noclip
) {
959 for(i
=0; i
<wScreen
[j
]->workspace_count
; i
++) {
960 if (wScreen
[j
]->workspaces
[i
]->clip
) {
961 wScreen
[j
]->last_dock
= wScreen
[j
]->workspaces
[i
]->clip
;
962 wDockDoAutoLaunch(wScreen
[j
]->workspaces
[i
]->clip
, i
);
968 /* go to workspace where we were before restart */
970 wWorkspaceForceChange(wScreen
[j
], ws_state
->workspace
);
973 wSessionRestoreLastWorkspace(wScreen
[j
]);
977 wKWMSetInitializedHint(wScreen
[j
]);
981 if (wScreenCount
== 0) {
982 wfatal(_("could not manage any screen"));
986 if (!wPreferences
.flags
.nopolling
&& !wPreferences
.flags
.noupdates
) {
987 /* setup defaults file polling */
988 WMAddTimerHandler(3000, wDefaultsCheckDomains
, NULL
);
996 windowInList(Window window
, Window
*list
, int count
)
998 for (; count
>=0; count
--) {
999 if (window
== list
[count
])
1006 *-----------------------------------------------------------------------
1007 * manageAllWindows--
1008 * Manages all windows in the screen.
1011 * Called when the wm is being started.
1012 * No events can be processed while the windows are being
1013 * reparented/managed.
1014 *-----------------------------------------------------------------------
1017 manageAllWindows(WScreen
*scr
)
1019 Window root
, parent
;
1021 unsigned int nchildren
;
1026 XQueryTree(dpy
, scr
->root_win
, &root
, &parent
, &children
, &nchildren
);
1028 scr
->flags
.startup
= 1;
1030 /* first remove all icon windows */
1031 for (i
= 0; i
< nchildren
; i
++) {
1034 if (children
[i
]==None
)
1037 wmhints
= XGetWMHints(dpy
, children
[i
]);
1038 if (wmhints
&& (wmhints
->flags
& IconWindowHint
)) {
1039 for (j
= 0; j
< nchildren
; j
++) {
1040 if (children
[j
] == wmhints
->icon_window
) {
1054 for (i
= 0; i
< nchildren
; i
++) {
1055 if (children
[i
] == None
)
1059 wKWMCheckModule(scr
, children
[i
]);
1061 wwin
= wManageWindow(scr
, children
[i
]);
1063 /* apply states got from WSavedState */
1064 /* shaded + minimized is not restored correctly */
1065 if (wwin
->flags
.shaded
) {
1066 wwin
->flags
.shaded
= 0;
1069 if (wwin
->flags
.miniaturized
1070 && (wwin
->transient_for
== None
1071 || wwin
->transient_for
== scr
->root_win
1072 || !windowInList(wwin
->transient_for
, children
,
1075 wwin
->flags
.skip_next_animation
= 1;
1076 wwin
->flags
.miniaturized
= 0;
1077 wIconifyWindow(wwin
);
1079 wClientSetState(wwin
, NormalState
, None
);
1086 wwin
= scr
->focused_window
;
1088 if (wwin
->flags
.hidden
) {
1089 WApplication
*wapp
= wApplicationOf(wwin
->main_window
);
1092 wwin
->flags
.hidden
= 0;
1093 wHideApplication(wapp
);
1095 wwin
->flags
.hidden
= 0;
1102 scr
->flags
.startup
= 0;
1103 scr
->flags
.startup2
= 1;
1105 while (XPending(dpy
)) {
1107 WMNextEvent(dpy
, &ev
);
1110 wWorkspaceForceChange(scr
, 0);
1111 if (!wPreferences
.flags
.noclip
)
1112 wDockShowIcons(scr
->workspaces
[scr
->current_workspace
]->clip
);
1113 scr
->flags
.startup2
= 0;