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 "prompt.h"
  27 #include "debug.h"
  28 #include "grab.h"
  29 #include "obt/xqueue.h"
  30
  31 static GHashTable *window_map;
  32
  33 static guint window_hash(Window *w) { return *w; }
  34 static gboolean window_comp(Window *w1, Window *w2) { return *w1 == *w2; }
  35
  36 void window_startup(gboolean reconfig)
  37 {
  38     if (reconfig) return;
  39
  40     window_map = g_hash_table_new((GHashFunc)window_hash,
  41                                   (GEqualFunc)window_comp);
  42 }
  43
  44 void window_shutdown(gboolean reconfig)
  45 {
  46     if (reconfig) return;
  47
  48     g_hash_table_destroy(window_map);
  49 }
  50
  51 Window window_top(ObWindow *self)
  52 {
  53     switch (self->type) {
  54     case OB_WINDOW_CLASS_MENUFRAME:
  55         return WINDOW_AS_MENUFRAME(self)->window;
  56     case OB_WINDOW_CLASS_DOCK:
  57         return WINDOW_AS_DOCK(self)->frame;
  58     case OB_WINDOW_CLASS_CLIENT:
  59         return WINDOW_AS_CLIENT(self)->frame->window;
  60     case OB_WINDOW_CLASS_INTERNAL:
  61         return WINDOW_AS_INTERNAL(self)->window;
  62     case OB_WINDOW_CLASS_PROMPT:
  63         return WINDOW_AS_PROMPT(self)->super.window;
  64     }
  65     g_assert_not_reached();
  66     return None;
  67 }
  68
  69 ObStackingLayer window_layer(ObWindow *self)
  70 {
  71     switch (self->type) {
  72     case OB_WINDOW_CLASS_DOCK:
  73         return config_dock_layer;
  74     case OB_WINDOW_CLASS_CLIENT:
  75         return ((ObClient*)self)->layer;
  76     case OB_WINDOW_CLASS_MENUFRAME:
  77     case OB_WINDOW_CLASS_INTERNAL:
  78         return OB_STACKING_LAYER_INTERNAL;
  79     case OB_WINDOW_CLASS_PROMPT:
  80         /* not used directly for stacking, prompts are managed as clients */
  81         g_assert_not_reached();
  82         break;
  83     }
  84     g_assert_not_reached();
  85     return None;
  86 }
  87
  88 ObWindow* window_find(Window xwin)
  89 {
  90     return g_hash_table_lookup(window_map, &xwin);
  91 }
  92
  93 void window_add(Window *xwin, ObWindow *win)
  94 {
  95     g_assert(xwin != NULL);
  96     g_assert(win != NULL);
  97     g_hash_table_insert(window_map, xwin, win);
  98 }
  99
 100 void window_remove(Window xwin)
 101 {
 102     g_assert(xwin != None);
 103     g_hash_table_remove(window_map, &xwin);
 104 }
 105
 106 void window_manage_all(void)
 107 {
 108     guint i, j, nchild;
 109     Window w, *children;
 110     XWMHints *wmhints;
 111     XWindowAttributes attrib;
 112
 113     if (!XQueryTree(obt_display, RootWindow(obt_display, ob_screen),
 114                     &w, &w, &children, &nchild)) {
 115         ob_debug("XQueryTree failed in window_manage_all");
 116         nchild = 0;
 117     }
 118
 119     /* remove all icon windows from the list */
 120     for (i = 0; i < nchild; i++) {
 121         if (children[i] == None) continue;
 122         wmhints = XGetWMHints(obt_display, children[i]);
 123         if (wmhints) {
 124             if ((wmhints->flags & IconWindowHint) &&
 125                 (wmhints->icon_window != children[i]))
 126                 for (j = 0; j < nchild; j++)
 127                     if (children[j] == wmhints->icon_window) {
 128                         /* XXX watch the window though */
 129                         children[j] = None;
 130                         break;
 131                     }
 132             XFree(wmhints);
 133         }
 134     }
 135
 136     for (i = 0; i < nchild; ++i) {
 137         if (children[i] == None) continue;
 138         if (window_find(children[i])) continue; /* skip our own windows */
 139         if (XGetWindowAttributes(obt_display, children[i], &attrib)) {
 140             if (attrib.map_state == IsUnmapped)
 141                 ;
 142             else
 143                 window_manage(children[i]);
 144         }
 145     }
 146
 147     if (children) XFree(children);
 148 }
 149
 150 static gboolean check_unmap(XEvent *e, gpointer data)
 151 {
 152     const Window win = *(Window*)data;
 153     return ((e->type == DestroyNotify && e->xdestroywindow.window == win) ||
 154             (e->type == UnmapNotify && e->xunmap.window == win));
 155 }
 156
 157 void window_manage(Window win)
 158 {
 159     XWindowAttributes attrib;
 160     gboolean no_manage = FALSE;
 161     gboolean is_dockapp = FALSE;
 162     Window icon_win = None;
 163
 164     grab_server(TRUE);
 165
 166     /* check if it has already been unmapped by the time we started
 167        mapping. the grab does a sync so we don't have to here */
 168     if (xqueue_exists_local(check_unmap, &win)) {
 169         ob_debug("Trying to manage unmapped window. Aborting that.");
 170         no_manage = TRUE;
 171     }
 172     else if (!XGetWindowAttributes(obt_display, win, &attrib))
 173         no_manage = TRUE;
 174     else {
 175         XWMHints *wmhints;
 176
 177         /* is the window a docking app */
 178         is_dockapp = FALSE;
 179         if ((wmhints = XGetWMHints(obt_display, win))) {
 180             if ((wmhints->flags & StateHint) &&
 181                 wmhints->initial_state == WithdrawnState)
 182             {
 183                 if (wmhints->flags & IconWindowHint)
 184                     icon_win = wmhints->icon_window;
 185                 is_dockapp = TRUE;
 186             }
 187             XFree(wmhints);
 188         }
 189     }
 190
 191     if (!no_manage) {
 192         if (attrib.override_redirect) {
 193             ob_debug("not managing override redirect window 0x%x", win);
 194             grab_server(FALSE);
 195         }
 196         else if (is_dockapp) {
 197             if (!icon_win)
 198                 icon_win = win;
 199             dock_manage(icon_win, win);
 200         }
 201         else
 202             client_manage(win, NULL);
 203     }
 204     else {
 205         grab_server(FALSE);
 206         ob_debug("FAILED to manage window 0x%x", win);
 207     }
 208 }
 209
 210 void window_unmanage_all(void)
 211 {
 212     dock_unmanage_all();
 213     client_unmanage_all();
 214 }