src/shutdown.c

   1 /*
   2  *  WindowMaker 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
  41 /*
  42  *----------------------------------------------------------------------
  43  * RestoreDesktop--
  44  *      Puts the desktop in a usable state when exiting.
  45  *
  46  * Side effects:
  47  *      All frame windows are removed and windows are reparented
  48  * back to root. Windows that are outside the screen are
  49  * brought to a viable place.
  50  *
  51  *----------------------------------------------------------------------
  52  */
  53 void
  54 RestoreDesktop(WScreen *scr)
  55 {
  56     int i;
  57
  58     XGrabServer(dpy);
  59     wDestroyInspectorPanels();
  60
  61     /* reparent windows back to the root window, keeping the stacking order */
  62     for (i=0; i<MAX_WINDOW_LEVELS; i++) {
  63         WCoreWindow *core, *next;
  64         WWindow *wwin;
  65
  66         if (!scr->stacking_list[i])
  67             continue;
  68
  69         core = scr->stacking_list[i];
  70         /* go to the end of the list */
  71         while (core->stacking->under)
  72             core = core->stacking->under;
  73
  74         while (core) {
  75             next = core->stacking->above;
  76
  77             if (core->descriptor.parent_type==WCLASS_WINDOW) {
  78                 wwin = core->descriptor.parent;
  79                 wwin->flags.mapped=1;
  80                 wUnmanageWindow(wwin, !wwin->flags.internal_window);
  81             }
  82             core = next;
  83         }
  84     }
  85
  86     XUngrabServer(dpy);
  87     XSetInputFocus(dpy, PointerRoot, RevertToParent, CurrentTime);
  88     wColormapInstallForWindow(scr, NULL);
  89     PropCleanUp(scr->root_win);
  90     XSync(dpy, 0);
  91 }
  92
  93
  94 /*
  95  *----------------------------------------------------------------------
  96  * WipeDesktop--
  97  *      Kills all windows in a screen. Send DeleteWindow to all windows
  98  * that support it and KillClient on all windows that don't.
  99  *
 100  * Side effects:
 101  *      All managed windows are closed.
 102  *
 103  * TODO: change to XQueryTree()
 104  *----------------------------------------------------------------------
 105  */
 106 void
 107 WipeDesktop(WScreen *scr)
 108 {
 109     WWindow *wwin;
 110
 111     wwin = scr->focused_window;
 112     while (wwin) {
 113         if (wwin->protocols.DELETE_WINDOW)
 114           wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
 115         else
 116           wClientKill(wwin);
 117         wwin = wwin->prev;
 118     }
 119     XSync(dpy, False);
 120 }
 121