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(WScreen
*scr
, int crashed
);
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("");
361 crashAction
= wShowCrashingDialogPanel(sig
);
364 * Save current workspace, so can go back to it if restarting.
365 * Also add hint that we crashed, so that windows will be placed
366 * correctly upon restart.
368 for (i
=0; i
<wScreenCount
; i
++) {
369 data
[0] = wScreen
[i
]->current_workspace
; /* workspace number */
370 data
[1] = WFLAGS_CRASHED
; /* signal that we crashed */
372 XChangeProperty(dpy
, wScreen
[i
]->root_win
,
373 _XA_WINDOWMAKER_STATE
, _XA_WINDOWMAKER_STATE
,
374 32, PropModeReplace
, (unsigned char*) data
, 2);
376 /* save state of windows */
377 wwin
= wScreen
[i
]->focused_window
;
379 wWindowSaveState(wwin
);
388 wsyserror(_("cannot open connection for crashing dialog panel. Aborting."));
389 crashAction
= WMAbort
;
392 if (crashAction
== WMAbort
) {
393 signal(sig
, SIG_DFL
);
398 if (crashAction
== WMRestart
) {
399 /* we try to restart Window Maker */
400 wmessage(_("trying to restart Window Maker..."));
401 Restart(NULL
, False
);
402 /* fallback to alternate window manager then */
405 wmessage(_("trying to start alternate window manager..."));
407 Restart(FALLBACK_WINDOWMANAGER
, False
);
408 Restart("fvwm", False
);
409 Restart("twm", False
);
410 wfatal(_("failed to start alternate window manager. Aborting."));
412 wfatal(_("a fatal error has occured, probably due to a bug. "
413 "Please fill the included BUGFORM and report it."));
414 #endif /* !NO_EMERGENCY_AUTORESTART */
416 signal(sig
, SIG_DFL
);
431 int save_errno
= errno
;
435 /* Block signals so that NotifyDeadProcess() doesn't get fux0red */
436 sigprocmask(SIG_BLOCK
, &sigs
, NULL
);
439 /* If 2 or more kids exit in a small time window, before this handler gets
440 * the chance to get invoked, the SIGCHLD signals will be merged and only
441 * one SIGCHLD signal will be sent to us. We use a while loop to get all
442 * exited child status because we can't count on the number of SIGCHLD
443 * signals to know exactly how many kids have exited. -Dan
445 while ((pid
=waitpid(-1, &status
, WNOHANG
))>0 || (pid
<0 && errno
==EINTR
)) {
446 NotifyDeadProcess(pid
, WEXITSTATUS(status
));
451 sigprocmask(SIG_UNBLOCK
, &sigs
, NULL
);
458 getWorkspaceState(Window root
, WWorkspaceState
**state
)
462 unsigned long nitems_ret
;
463 unsigned long bytes_after_ret
;
466 if (XGetWindowProperty(dpy
, root
, _XA_WINDOWMAKER_STATE
, 0, 2,
467 True
, _XA_WINDOWMAKER_STATE
,
468 &type_ret
, &fmt_ret
, &nitems_ret
, &bytes_after_ret
,
469 (unsigned char **)&data
)!=Success
|| !data
)
472 *state
= wmalloc(sizeof(WWorkspaceState
));
473 (*state
)->workspace
= data
[0];
474 (*state
)->flags
= data
[1];
478 if (*state
&& type_ret
==_XA_WINDOWMAKER_STATE
)
486 getOffendingModifiers()
489 XModifierKeymap
*modmap
;
490 KeyCode nlock
, slock
;
491 static int mask_table
[8] = {
492 ShiftMask
,LockMask
,ControlMask
,Mod1Mask
,
493 Mod2Mask
, Mod3Mask
, Mod4Mask
, Mod5Mask
496 nlock
= XKeysymToKeycode(dpy
, XK_Num_Lock
);
497 slock
= XKeysymToKeycode(dpy
, XK_Scroll_Lock
);
500 * Find out the masks for the NumLock and ScrollLock modifiers,
501 * so that we can bind the grabs for when they are enabled too.
503 modmap
= XGetModifierMapping(dpy
);
505 if (modmap
!=NULL
&& modmap
->max_keypermod
>0) {
506 for (i
=0; i
<8*modmap
->max_keypermod
; i
++) {
507 if (modmap
->modifiermap
[i
]==nlock
&& nlock
!=0)
508 _NumLockMask
= mask_table
[i
/modmap
->max_keypermod
];
509 else if (modmap
->modifiermap
[i
]==slock
&& slock
!=0)
510 _ScrollLockMask
= mask_table
[i
/modmap
->max_keypermod
];
515 XFreeModifiermap(modmap
);
522 wHackedGrabKey(int keycode
, unsigned int modifiers
,
523 Window grab_window
, Bool owner_events
, int pointer_mode
,
526 if (modifiers
== AnyModifier
)
529 /* grab all combinations of the modifier with CapsLock, NumLock and
530 * ScrollLock. How much memory/CPU does such a monstrosity consume
534 XGrabKey(dpy
, keycode
, modifiers
|_NumLockMask
,
535 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
537 XGrabKey(dpy
, keycode
, modifiers
|_ScrollLockMask
,
538 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
539 if (_NumLockMask
&& _ScrollLockMask
)
540 XGrabKey(dpy
, keycode
, modifiers
|_NumLockMask
|_ScrollLockMask
,
541 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
543 XGrabKey(dpy
, keycode
, modifiers
|_NumLockMask
|LockMask
,
544 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
546 XGrabKey(dpy
, keycode
, modifiers
|_ScrollLockMask
|LockMask
,
547 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
548 if (_NumLockMask
&& _ScrollLockMask
)
549 XGrabKey(dpy
, keycode
, modifiers
|_NumLockMask
|_ScrollLockMask
|LockMask
,
550 grab_window
, owner_events
, pointer_mode
, keyboard_mode
);
551 /* phew, I guess that's all, right? */
556 wHackedGrabButton(unsigned int button
, unsigned int modifiers
,
557 Window grab_window
, Bool owner_events
,
558 unsigned int event_mask
, int pointer_mode
,
559 int keyboard_mode
, Window confine_to
, Cursor cursor
)
561 XGrabButton(dpy
, button
, modifiers
, grab_window
, owner_events
,
562 event_mask
, pointer_mode
, keyboard_mode
, confine_to
, cursor
);
564 if (modifiers
==AnyModifier
)
567 XGrabButton(dpy
, button
, modifiers
|LockMask
, grab_window
, owner_events
,
568 event_mask
, pointer_mode
, keyboard_mode
, confine_to
, cursor
);
571 /* same as above, but for mouse buttons */
573 XGrabButton(dpy
, button
, modifiers
|_NumLockMask
,
574 grab_window
, owner_events
, event_mask
, pointer_mode
,
575 keyboard_mode
, confine_to
, cursor
);
577 XGrabButton(dpy
, button
, modifiers
|_ScrollLockMask
,
578 grab_window
, owner_events
, event_mask
, pointer_mode
,
579 keyboard_mode
, confine_to
, cursor
);
580 if (_NumLockMask
&& _ScrollLockMask
)
581 XGrabButton(dpy
, button
, modifiers
|_ScrollLockMask
|_NumLockMask
,
582 grab_window
, owner_events
, event_mask
, pointer_mode
,
583 keyboard_mode
, confine_to
, cursor
);
585 XGrabButton(dpy
, button
, modifiers
|_NumLockMask
|LockMask
,
586 grab_window
, owner_events
, event_mask
, pointer_mode
,
587 keyboard_mode
, confine_to
, cursor
);
589 XGrabButton(dpy
, button
, modifiers
|_ScrollLockMask
|LockMask
,
590 grab_window
, owner_events
, event_mask
, pointer_mode
,
591 keyboard_mode
, confine_to
, cursor
);
592 if (_NumLockMask
&& _ScrollLockMask
)
593 XGrabButton(dpy
, button
, modifiers
|_ScrollLockMask
|_NumLockMask
|LockMask
,
594 grab_window
, owner_events
, event_mask
, pointer_mode
,
595 keyboard_mode
, confine_to
, cursor
);
596 #endif /* NUMLOCK_HACK */
601 wHackedUngrabButton(unsigned int button
, unsigned int modifiers
,
604 XUngrabButton(dpy
, button
, modifiers
|_NumLockMask
,
606 XUngrabButton(dpy
, button
, modifiers
|_ScrollLockMask
,
608 XUngrabButton(dpy
, button
, modifiers
|_NumLockMask
|_ScrollLockMask
,
610 XUngrabButton(dpy
, button
, modifiers
|_NumLockMask
|LockMask
,
612 XUngrabButton(dpy
, button
, modifiers
|_ScrollLockMask
|LockMask
,
614 XUngrabButton(dpy
, button
, modifiers
|_NumLockMask
|_ScrollLockMask
|LockMask
,
622 wScreenWithNumber(int i
)
624 assert(i
< wScreenCount
);
631 wScreenForRootWindow(Window window
)
639 * Since the number of heads will probably be small (normally 2),
640 * it should be faster to use this than a hash table, because
643 for (i
=0; i
<wScreenCount
; i
++) {
644 if (wScreen
[i
]->root_win
== window
) {
649 assert("bad_root_window" && 0);
656 wScreenSearchForRootWindow(Window window
)
664 * Since the number of heads will probably be small (normally 2),
665 * it should be faster to use this than a hash table, because
668 for (i
=0; i
<wScreenCount
; i
++) {
669 if (wScreen
[i
]->root_win
== window
) {
679 wScreenForWindow(Window window
)
681 XWindowAttributes attr
;
686 if (XGetWindowAttributes(dpy
, window
, &attr
)) {
687 return wScreenForRootWindow(attr
.root
);
693 static char *atomNames
[] = {
701 "WM_COLORMAP_WINDOWS",
702 "WM_COLORMAP_NOTIFY",
705 "_WINDOWMAKER_STATE",
706 "_WINDOWMAKER_WM_PROTOCOLS",
707 "_WINDOWMAKER_WM_FUNCTION",
708 "_WINDOWMAKER_NOTICEBOARD",
709 "_WINDOWMAKER_COMMAND",
710 "_WINDOWMAKER_ICON_SIZE",
711 "_WINDOWMAKER_ICON_TILE",
713 GNUSTEP_WM_ATTR_NAME
,
714 GNUSTEP_WM_MINIATURIZE_WINDOW
,
715 GNUSTEP_TITLEBAR_STATE
720 *----------------------------------------------------------
722 * starts the window manager and setup global data.
723 * Called from main() at startup.
726 * global data declared in main.c is initialized
727 *----------------------------------------------------------
730 StartUp(Bool defaultScreenOnly
)
732 WWorkspaceState
*ws_state
;
733 struct sigaction sig_action
;
735 Atom atom
[sizeof(atomNames
)/sizeof(char*)];
738 * Ignore CapsLock in modifiers
740 ValidModMask
= 0xff & ~LockMask
;
742 getOffendingModifiers();
744 * Ignore NumLock and ScrollLock too
746 ValidModMask
&= ~(_NumLockMask
|_ScrollLockMask
);
749 memset(&wKeyBindings
, 0, sizeof(wKeyBindings
));
751 wWinContext
= XUniqueContext();
752 wAppWinContext
= XUniqueContext();
753 wStackContext
= XUniqueContext();
755 /* _XA_VERSION = XInternAtom(dpy, "VERSION", False);*/
757 #ifdef HAVE_XINTERNATOMS
758 XInternAtoms(dpy
, atomNames
, sizeof(atomNames
)/sizeof(char*),
764 for (i
= 0; i
< sizeof(atomNames
)/sizeof(char*); i
++) {
765 atom
[i
] = XInternAtom(dpy
, atomNames
[i
], False
);
770 _XA_WM_STATE
= atom
[0];
771 _XA_WM_CHANGE_STATE
= atom
[1];
772 _XA_WM_PROTOCOLS
= atom
[2];
773 _XA_WM_TAKE_FOCUS
= atom
[3];
774 _XA_WM_DELETE_WINDOW
= atom
[4];
775 _XA_WM_SAVE_YOURSELF
= atom
[5];
776 _XA_WM_CLIENT_LEADER
= atom
[6];
777 _XA_WM_COLORMAP_WINDOWS
= atom
[7];
778 _XA_WM_COLORMAP_NOTIFY
= atom
[8];
780 _XA_WINDOWMAKER_MENU
= atom
[9];
781 _XA_WINDOWMAKER_STATE
= atom
[10];
782 _XA_WINDOWMAKER_WM_PROTOCOLS
= atom
[11];
783 _XA_WINDOWMAKER_WM_FUNCTION
= atom
[12];
784 _XA_WINDOWMAKER_NOTICEBOARD
= atom
[13];
785 _XA_WINDOWMAKER_COMMAND
= atom
[14];
786 _XA_WINDOWMAKER_ICON_SIZE
= atom
[15];
787 _XA_WINDOWMAKER_ICON_TILE
= atom
[16];
789 _XA_GNUSTEP_WM_ATTR
= atom
[17];
790 _XA_GNUSTEP_WM_MINIATURIZE_WINDOW
= atom
[18];
791 _XA_GNUSTEP_TITLEBAR_STATE
= atom
[19];
794 _XA_DND_SELECTION
= XInternAtom(dpy
, "DndSelection", False
);
795 _XA_DND_PROTOCOL
= XInternAtom(dpy
, "DndProtocol", False
);
798 wXDNDInitializeAtoms();
803 #ifdef DEFINABLE_CURSOR
804 wCursor
[WCUR_NORMAL
] = None
;
806 wCursor
[WCUR_NORMAL
] = XCreateFontCursor(dpy
, XC_left_ptr
);
808 wCursor
[WCUR_ROOT
] = XCreateFontCursor(dpy
, XC_left_ptr
);
809 wCursor
[WCUR_ARROW
] = XCreateFontCursor(dpy
, XC_top_left_arrow
);
810 wCursor
[WCUR_MOVE
] = XCreateFontCursor(dpy
, XC_fleur
);
811 wCursor
[WCUR_RESIZE
] = XCreateFontCursor(dpy
, XC_sizing
);
812 wCursor
[WCUR_TOPLEFTRESIZE
] = XCreateFontCursor(dpy
, XC_top_left_corner
);
813 wCursor
[WCUR_TOPRIGHTRESIZE
] = XCreateFontCursor(dpy
, XC_top_right_corner
);
814 wCursor
[WCUR_BOTTOMLEFTRESIZE
] = XCreateFontCursor(dpy
, XC_bottom_left_corner
);
815 wCursor
[WCUR_BOTTOMRIGHTRESIZE
] = XCreateFontCursor(dpy
, XC_bottom_right_corner
);
816 wCursor
[WCUR_VERTICALRESIZE
] = XCreateFontCursor(dpy
, XC_sb_v_double_arrow
);
817 wCursor
[WCUR_HORIZONRESIZE
] = XCreateFontCursor(dpy
, XC_sb_h_double_arrow
);
818 wCursor
[WCUR_WAIT
] = XCreateFontCursor(dpy
, XC_watch
);
819 wCursor
[WCUR_QUESTION
] = XCreateFontCursor(dpy
, XC_question_arrow
);
820 wCursor
[WCUR_TEXT
] = XCreateFontCursor(dpy
, XC_xterm
); /* odd name???*/
821 wCursor
[WCUR_SELECT
] = XCreateFontCursor(dpy
, XC_cross
);
823 /* signal handler stuff that gets called when a signal is caught */
824 WMAddPersistentTimerHandler(500, delayedAction
, NULL
);
826 /* emergency exit... */
827 sig_action
.sa_handler
= handleSig
;
828 sigemptyset(&sig_action
.sa_mask
);
830 sig_action
.sa_flags
= SA_RESTART
;
831 sigaction(SIGQUIT
, &sig_action
, NULL
);
832 sigaction(SIGSEGV
, &sig_action
, NULL
);
833 sigaction(SIGBUS
, &sig_action
, NULL
);
834 sigaction(SIGFPE
, &sig_action
, NULL
);
835 sigaction(SIGABRT
, &sig_action
, NULL
);
837 sig_action
.sa_handler
= handleExitSig
;
839 /* Here we set SA_RESTART for safety, because SIGUSR1 may not be handled
842 sig_action
.sa_flags
= SA_RESTART
;
843 /* sigaction(SIGTERM, &sig_action, NULL);*/
844 sigaction(SIGINT
, &sig_action
, NULL
);
845 sigaction(SIGHUP
, &sig_action
, NULL
);
846 sigaction(SIGUSR1
, &sig_action
, NULL
);
847 sigaction(SIGUSR2
, &sig_action
, NULL
);
849 /* ignore dead pipe */
850 sig_action
.sa_handler
= SIG_IGN
;
851 sig_action
.sa_flags
= SA_RESTART
;
852 sigaction(SIGPIPE
, &sig_action
, NULL
);
854 /* handle dead children */
855 sig_action
.sa_handler
= buryChild
;
856 sig_action
.sa_flags
= SA_NOCLDSTOP
|SA_RESTART
;
857 sigaction(SIGCHLD
, &sig_action
, NULL
);
859 /* Now we unblock all signals, that may have been blocked by the parent
860 * who exec()-ed us. This can happen for example if Window Maker crashes
861 * and restarts itself or another window manager from the signal handler.
862 * In this case, the new proccess inherits the blocked signal mask and
863 * will no longer react to that signal, until unblocked.
864 * This is because the signal handler of the proccess who crashed (parent)
865 * didn't return, and the signal remained blocked. -Dan
867 sigfillset(&sig_action
.sa_mask
);
868 sigprocmask(SIG_UNBLOCK
, &sig_action
.sa_mask
, NULL
);
870 /* handle X shutdowns a such */
871 XSetIOErrorHandler(handleXIO
);
873 /* set hook for out event dispatcher in WINGs event dispatcher */
874 WMHookEventHandler(DispatchEvent
);
876 /* initialize defaults stuff */
877 WDWindowMaker
= wDefaultsInitDomain("WindowMaker", True
);
878 if (!WDWindowMaker
->dictionary
) {
879 wwarning(_("could not read domain \"%s\" from defaults database"),
883 /* read defaults that don't change until a restart and are
884 * screen independent */
885 wReadStaticDefaults(WDWindowMaker
? WDWindowMaker
->dictionary
: NULL
);
887 /* check sanity of some values */
888 if (wPreferences
.icon_size
< 16) {
889 wwarning(_("icon size is configured to %i, but it's too small. Using 16, instead\n"),
890 wPreferences
.icon_size
);
891 wPreferences
.icon_size
= 16;
894 /* init other domains */
895 WDRootMenu
= wDefaultsInitDomain("WMRootMenu", False
);
896 if (!WDRootMenu
->dictionary
) {
897 wwarning(_("could not read domain \"%s\" from defaults database"),
901 WDWindowAttributes
= wDefaultsInitDomain("WMWindowAttributes", True
);
902 if (!WDWindowAttributes
->dictionary
) {
903 wwarning(_("could not read domain \"%s\" from defaults database"),
904 "WMWindowAttributes");
907 XSetErrorHandler((XErrorHandler
)catchXError
);
911 wShapeSupported
= XShapeQueryExtension(dpy
, &wShapeEventBase
, &j
);
914 #ifdef KEEP_XKB_LOCK_STATUS
915 wXkbSupported
= XkbQueryExtension(dpy
, NULL
, &wXkbEventBase
, NULL
, NULL
, NULL
);
916 if(wPreferences
.modelock
&& !wXkbSupported
) {
917 wwarning(_("XKB is not supported. KbdModeLock is automatically disabled."));
918 wPreferences
.modelock
= 0;
922 if (defaultScreenOnly
) {
925 max
= ScreenCount(dpy
);
927 wScreen
= wmalloc(sizeof(WScreen
*)*max
);
931 /* manage the screens */
932 for (j
= 0; j
< max
; j
++) {
933 if (defaultScreenOnly
|| max
==1) {
934 wScreen
[wScreenCount
] = wScreenInit(DefaultScreen(dpy
));
935 if (!wScreen
[wScreenCount
]) {
936 wfatal(_("it seems that there is already a window manager running"));
940 wScreen
[wScreenCount
] = wScreenInit(j
);
941 if (!wScreen
[wScreenCount
]) {
942 wwarning(_("could not manage screen %i"), j
);
949 /* initialize/restore state for the screens */
950 for (j
= 0; j
< wScreenCount
; j
++) {
953 /* restore workspace state */
954 if (!getWorkspaceState(wScreen
[j
]->root_win
, &ws_state
)) {
958 wScreenRestoreState(wScreen
[j
]);
960 /* manage all windows that were already here before us */
961 if (!wPreferences
.flags
.nodock
&& wScreen
[j
]->dock
)
962 wScreen
[j
]->last_dock
= wScreen
[j
]->dock
;
964 if (ws_state
&& (ws_state
->flags
& WFLAGS_CRASHED
)!=0)
969 manageAllWindows(wScreen
[j
], crashed
);
971 /* restore saved menus */
972 wMenuRestoreState(wScreen
[j
]);
974 /* If we're not restarting restore session */
975 if (ws_state
== NULL
&& !wPreferences
.flags
.norestore
)
976 wSessionRestoreState(wScreen
[j
]);
978 if (!wPreferences
.flags
.noautolaunch
) {
979 /* auto-launch apps */
980 if (!wPreferences
.flags
.nodock
&& wScreen
[j
]->dock
) {
981 wScreen
[j
]->last_dock
= wScreen
[j
]->dock
;
982 wDockDoAutoLaunch(wScreen
[j
]->dock
, 0);
984 /* auto-launch apps in clip */
985 if (!wPreferences
.flags
.noclip
) {
987 for(i
=0; i
<wScreen
[j
]->workspace_count
; i
++) {
988 if (wScreen
[j
]->workspaces
[i
]->clip
) {
989 wScreen
[j
]->last_dock
= wScreen
[j
]->workspaces
[i
]->clip
;
990 wDockDoAutoLaunch(wScreen
[j
]->workspaces
[i
]->clip
, i
);
996 /* go to workspace where we were before restart */
998 wWorkspaceForceChange(wScreen
[j
], ws_state
->workspace
);
1001 wSessionRestoreLastWorkspace(wScreen
[j
]);
1005 wKWMSetInitializedHint(wScreen
[j
]);
1009 if (wScreenCount
== 0) {
1010 wfatal(_("could not manage any screen"));
1014 if (!wPreferences
.flags
.nopolling
&& !wPreferences
.flags
.noupdates
) {
1015 /* setup defaults file polling */
1016 WMAddTimerHandler(3000, wDefaultsCheckDomains
, NULL
);
1024 windowInList(Window window
, Window
*list
, int count
)
1026 for (; count
>=0; count
--) {
1027 if (window
== list
[count
])
1034 *-----------------------------------------------------------------------
1035 * manageAllWindows--
1036 * Manages all windows in the screen.
1039 * Called when the wm is being started.
1040 * No events can be processed while the windows are being
1041 * reparented/managed.
1042 *-----------------------------------------------------------------------
1045 manageAllWindows(WScreen
*scr
, int crashRecovery
)
1047 Window root
, parent
;
1049 unsigned int nchildren
;
1054 XQueryTree(dpy
, scr
->root_win
, &root
, &parent
, &children
, &nchildren
);
1056 scr
->flags
.startup
= 1;
1058 /* first remove all icon windows */
1059 for (i
= 0; i
< nchildren
; i
++) {
1062 if (children
[i
]==None
)
1065 wmhints
= XGetWMHints(dpy
, children
[i
]);
1066 if (wmhints
&& (wmhints
->flags
& IconWindowHint
)) {
1067 for (j
= 0; j
< nchildren
; j
++) {
1068 if (children
[j
] == wmhints
->icon_window
) {
1082 for (i
= 0; i
< nchildren
; i
++) {
1083 if (children
[i
] == None
)
1087 wKWMCheckModule(scr
, children
[i
]);
1089 wwin
= wManageWindow(scr
, children
[i
]);
1091 /* apply states got from WSavedState */
1092 /* shaded + minimized is not restored correctly */
1093 if (wwin
->flags
.shaded
) {
1094 wwin
->flags
.shaded
= 0;
1097 if (wwin
->flags
.miniaturized
1098 && (wwin
->transient_for
== None
1099 || wwin
->transient_for
== scr
->root_win
1100 || !windowInList(wwin
->transient_for
, children
,
1103 wwin
->flags
.skip_next_animation
= 1;
1104 wwin
->flags
.miniaturized
= 0;
1105 wIconifyWindow(wwin
);
1107 wClientSetState(wwin
, NormalState
, None
);
1109 if (crashRecovery
) {
1112 border
= (WFLAGP(wwin
, no_border
) ? 0 : FRAME_BORDER_WIDTH
);
1114 wWindowMove(wwin
, wwin
->frame_x
- border
,
1115 wwin
->frame_y
- border
-
1116 wwin
->frame
->titlebar
->height
);
1123 wwin
= scr
->focused_window
;
1125 if (wwin
->flags
.hidden
) {
1126 WApplication
*wapp
= wApplicationOf(wwin
->main_window
);
1129 wwin
->flags
.hidden
= 0;
1130 wHideApplication(wapp
);
1132 wwin
->flags
.hidden
= 0;
1139 scr
->flags
.startup
= 0;
1140 scr
->flags
.startup2
= 1;
1142 while (XPending(dpy
)) {
1144 WMNextEvent(dpy
, &ev
);
1147 wWorkspaceForceChange(scr
, 0);
1148 if (!wPreferences
.flags
.noclip
)
1149 wDockShowIcons(scr
->workspaces
[scr
->current_workspace
]->clip
);
1150 scr
->flags
.startup2
= 0;