openbox/window.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    window.c for the Openbox window manager
   4    Copyright (c) 2003-2007   Dana Jansens
   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    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #include "window.h"
  20 #include "menuframe.h"
  21 #include "config.h"
  22 #include "dock.h"
  23 #include "client.h"
  24 #include "frame.h"
  25 #include "openbox.h"
  26 #include "debug.h"
  27 #include "grab.h"
  28
  29 static GHashTable *window_map;
  30
  31 static guint window_hash(Window *w) { return *w; }
  32 static gboolean window_comp(Window *w1, Window *w2) { return *w1 == *w2; }
  33
  34 void window_startup(gboolean reconfig)
  35 {
  36     if (reconfig) return;
  37
  38     window_map = g_hash_table_new((GHashFunc)window_hash,
  39                                   (GEqualFunc)window_comp);
  40 }
  41
  42 void window_shutdown(gboolean reconfig)
  43 {
  44     if (reconfig) return;
  45
  46     g_hash_table_destroy(window_map);
  47 }
  48
  49 Window window_top(ObWindow *self)
  50 {
  51     switch (self->type) {
  52     case OB_WINDOW_CLASS_MENUFRAME:
  53         return WINDOW_AS_MENUFRAME(self)->window;
  54     case OB_WINDOW_CLASS_DOCK:
  55         return WINDOW_AS_DOCK(self)->frame;
  56     case OB_WINDOW_CLASS_CLIENT:
  57         return WINDOW_AS_CLIENT(self)->frame->window;
  58     case OB_WINDOW_CLASS_INTERNAL:
  59         return WINDOW_AS_INTERNAL(self)->window;
  60     }
  61     g_assert_not_reached();
  62     return None;
  63 }
  64
  65 ObStackingLayer window_layer(ObWindow *self)
  66 {
  67     switch (self->type) {
  68     case OB_WINDOW_CLASS_DOCK:
  69         return config_dock_layer;
  70     case OB_WINDOW_CLASS_CLIENT:
  71         return ((ObClient*)self)->layer;
  72     case OB_WINDOW_CLASS_MENUFRAME:
  73     case OB_WINDOW_CLASS_INTERNAL:
  74         return OB_STACKING_LAYER_INTERNAL;
  75     }
  76     g_assert_not_reached();
  77     return None;
  78 }
  79
  80 ObWindow* window_find(Window xwin)
  81 {
  82     return g_hash_table_lookup(window_map, &xwin);
  83 }
  84
  85 void window_add(Window *xwin, ObWindow *win)
  86 {
  87     g_assert(xwin != NULL);
  88     g_assert(win != NULL);
  89     g_hash_table_insert(window_map, xwin, win);
  90 }
  91
  92 void window_remove(Window xwin)
  93 {
  94     g_assert(xwin != None);
  95     g_hash_table_remove(window_map, &xwin);
  96 }
  97
  98 void window_manage_all(void)
  99 {
 100     guint i, j, nchild;
 101     Window w, *children;
 102     XWMHints *wmhints;
 103     XWindowAttributes attrib;
 104
 105     if (!XQueryTree(obt_display, RootWindow(obt_display, ob_screen),
 106                     &w, &w, &children, &nchild)) {
 107         ob_debug("XQueryTree failed in window_manage_all");
 108         nchild = 0;
 109     }
 110
 111     /* remove all icon windows from the list */
 112     for (i = 0; i < nchild; i++) {
 113         if (children[i] == None) continue;
 114         wmhints = XGetWMHints(obt_display, children[i]);
 115         if (wmhints) {
 116             if ((wmhints->flags & IconWindowHint) &&
 117                 (wmhints->icon_window != children[i]))
 118                 for (j = 0; j < nchild; j++)
 119                     if (children[j] == wmhints->icon_window) {
 120                         /* XXX watch the window though */
 121                         children[j] = None;
 122                         break;
 123                     }
 124             XFree(wmhints);
 125         }
 126     }
 127
 128     for (i = 0; i < nchild; ++i) {
 129         if (children[i] == None) continue;
 130         if (window_find(children[i])) continue; /* skip our own windows */
 131         if (XGetWindowAttributes(obt_display, children[i], &attrib)) {
 132             if (attrib.map_state == IsUnmapped)
 133                 ;
 134             else
 135                 window_manage(children[i]);
 136         }
 137     }
 138
 139     if (children) XFree(children);
 140 }
 141
 142 void window_manage(Window win)
 143 {
 144     XEvent e;
 145     XWindowAttributes attrib;
 146     gboolean no_manage = FALSE;
 147     gboolean is_dockapp = FALSE;
 148     Window icon_win = None;
 149
 150     grab_server(TRUE);
 151
 152     /* check if it has already been unmapped by the time we started
 153        mapping. the grab does a sync so we don't have to here */
 154     if (XCheckTypedWindowEvent(obt_display, win, DestroyNotify, &e) ||
 155         XCheckTypedWindowEvent(obt_display, win, UnmapNotify, &e))
 156     {
 157         XPutBackEvent(obt_display, &e);
 158         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 159         no_manage = TRUE;
 160     }
 161
 162     if (!XGetWindowAttributes(obt_display, win, &attrib))
 163         no_manage = TRUE;
 164     else {
 165         XWMHints *wmhints;
 166
 167         /* is the window a docking app */
 168         is_dockapp = FALSE;
 169         if ((wmhints = XGetWMHints(obt_display, win))) {
 170             if ((wmhints->flags & StateHint) &&
 171                 wmhints->initial_state == WithdrawnState)
 172             {
 173                 if (wmhints->flags & IconWindowHint)
 174                     icon_win = wmhints->icon_window;
 175                 is_dockapp = TRUE;
 176             }
 177             XFree(wmhints);
 178         }
 179     }
 180
 181     if (!no_manage) {
 182         if (attrib.override_redirect) {
 183             ob_debug("not managing override redirect window 0x%x\n", win);
 184             grab_server(FALSE);
 185         }
 186         else if (is_dockapp) {
 187             if (!icon_win)
 188                 icon_win = win;
 189             dock_manage(icon_win, win);
 190         }
 191         else
 192             client_manage(win);
 193     }
 194     else {
 195         grab_server(FALSE);
 196         ob_debug("FAILED to manage window 0x%x\n", win);
 197     }
 198 }
 199
 200 void window_unmanage_all(void)
 201 {
 202     dock_unmanage_all();
 203     client_unmanage_all();
 204 }