src/shutdown.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997, 1998 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <stdlib.h>
  25
  26 #include <X11/Xlib.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/Intrinsic.h>
  29
  30 #include "WindowMaker.h"
  31 #include "window.h"
  32 #include "client.h"
  33 #include "funcs.h"
  34 #include "properties.h"
  35 #include "winspector.h"
  36
  37
  38 extern Atom _XA_WM_DELETE_WINDOW;
  39 extern Time LastTimestamp;
  40 extern int wScreenCount;
  41
  42 /*
  43  *----------------------------------------------------------------------
  44  * RestoreDesktop--
  45  *      Puts the desktop in a usable state when exiting.
  46  *
  47  * Side effects:
  48  *      All frame windows are removed and windows are reparented
  49  * back to root. Windows that are outside the screen are
  50  * brought to a viable place.
  51  *
  52  *----------------------------------------------------------------------
  53  */
  54 void
  55 RestoreDesktop(WScreen *scr)
  56 {
  57     int i;
  58
  59     if (!scr) {
  60         int j;
  61         for (j=0; j<wScreenCount; j++) {
  62             WScreen *scr;
  63             scr = wScreenWithNumber(j);
  64             if (scr) {
  65                 RestoreDesktop(scr);
  66             }
  67         }
  68         return;
  69     }
  70
  71     XGrabServer(dpy);
  72     wDestroyInspectorPanels();
  73
  74     /* reparent windows back to the root window, keeping the stacking order */
  75     for (i=0; i<MAX_WINDOW_LEVELS; i++) {
  76         WCoreWindow *core, *next;
  77         WWindow *wwin;
  78
  79         if (!scr->stacking_list[i])
  80             continue;
  81
  82         core = scr->stacking_list[i];
  83         /* go to the end of the list */
  84         while (core->stacking->under)
  85             core = core->stacking->under;
  86
  87         while (core) {
  88             next = core->stacking->above;
  89
  90             if (core->descriptor.parent_type==WCLASS_WINDOW) {
  91                 wwin = core->descriptor.parent;
  92                 wwin->flags.mapped=1;
  93                 wUnmanageWindow(wwin, !wwin->flags.internal_window);
  94             }
  95             core = next;
  96         }
  97     }
  98
  99     XUngrabServer(dpy);
 100     XSetInputFocus(dpy, PointerRoot, RevertToParent, CurrentTime);
 101     wColormapInstallForWindow(scr, NULL);
 102     PropCleanUp(scr->root_win);
 103     XSync(dpy, 0);
 104 }
 105
 106
 107 /*
 108  *----------------------------------------------------------------------
 109  * WipeDesktop--
 110  *      Kills all windows in a screen. Send DeleteWindow to all windows
 111  * that support it and KillClient on all windows that don't.
 112  *
 113  * Side effects:
 114  *      All managed windows are closed.
 115  *
 116  * TODO: change to XQueryTree()
 117  *----------------------------------------------------------------------
 118  */
 119 void
 120 WipeDesktop(WScreen *scr)
 121 {
 122     WWindow *wwin;
 123
 124     if (!scr) {
 125         int j;
 126         for (j=0; j<wScreenCount; j++) {
 127             WScreen *scr;
 128             scr = wScreenWithNumber(j);
 129             if (scr) {
 130                 WipeDesktop(scr);
 131             }
 132         }
 133         return;
 134     }
 135
 136     wwin = scr->focused_window;
 137     while (wwin) {
 138         if (wwin->protocols.DELETE_WINDOW)
 139             wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
 140         else
 141             wClientKill(wwin);
 142         wwin = wwin->prev;
 143     }
 144     XSync(dpy, False);
 145 }
 146