Apply patch from Gregory Merchan to avoid using CurrentTime when setting

2003-11-24  Havoc Pennington  <hp@redhat.com>

	* Apply patch from Gregory Merchan to avoid using CurrentTime when
	setting input focus. Bug #108881

ChangeLog

@@ -1,3 +1,8 @@
+2003-11-24  Havoc Pennington  <hp@redhat.com>
+
+	* Apply patch from Gregory Merchan to avoid using CurrentTime when
+	setting input focus. Bug #108881
+
 2003-11-23  Havoc Pennington  <hp@redhat.com>
 
 	* src/compositor.c: move xcompmgr code in here (minus drop

src/compositor.c

@@ -123,9 +123,10 @@ meta_compositor_new (MetaDisplay *display)
     {
       compositor->composite_event_base = 0;
       compositor->composite_error_base = 0;
+      meta_verbose ("XCompositeQueryExtension() returned FALSE\n");
     }
 
-  meta_verbose ("Composite extension event base %d error base %d",
+  meta_verbose ("Composite extension event base %d error base %d\n",
                 compositor->composite_event_base,
                 compositor->composite_error_base);
 
@@ -137,7 +138,7 @@ meta_compositor_new (MetaDisplay *display)
       compositor->damage_error_base = 0;
     }
 
-  meta_verbose ("Damage extension event base %d error base %d",
+  meta_verbose ("Damage extension event base %d error base %d\n",
                 compositor->damage_event_base,
                 compositor->damage_error_base);
   
@@ -149,7 +150,7 @@ meta_compositor_new (MetaDisplay *display)
       compositor->fixes_error_base = 0;
     }
 
-  meta_verbose ("Fixes extension event base %d error base %d",
+  meta_verbose ("Fixes extension event base %d error base %d\n",
                 compositor->fixes_event_base,
                 compositor->fixes_error_base);
 
@@ -161,7 +162,7 @@ meta_compositor_new (MetaDisplay *display)
       compositor->render_error_base = 0;
     }
 
-  meta_verbose ("Render extension event base %d error base %d",
+  meta_verbose ("Render extension event base %d error base %d\n",
                 compositor->render_event_base,
                 compositor->render_error_base);
   
@@ -209,6 +210,7 @@ meta_compositor_unref (MetaCompositor *compositor)
    */
   remove_repair_idle (compositor);
 
+  if (compositor->window_hash)
     g_hash_table_destroy (compositor->window_hash);
   
   g_free (compositor);
@@ -599,8 +601,6 @@ meta_compositor_add_window (MetaCompositor    *compositor,
   XRenderPictFormat *format;
   XRenderPictureAttributes pa;
   
-  g_print ("compositor adding window 0x%lx\n", xwindow);
-  
   if (!compositor->enabled)
     return; /* no extension */
 
@@ -669,8 +669,6 @@ meta_compositor_remove_window (MetaCompositor    *compositor,
   MetaCompositorWindow *cwindow;
   MetaScreen *screen;
   
-  g_print ("compositor removing window 0x%lx\n", xwindow);
-  
   if (!compositor->enabled)
     return; /* no extension */
 
@@ -716,6 +714,14 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
   
   g_assert (screen->root_picture == None);
 
+  /* FIXME add flag for whether we're composite-managing each
+   * screen and detect failure here
+   */
+  XCompositeRedirectSubwindows (screen->display->xdisplay,
+                                screen->xroot,
+                                CompositeRedirectManual);
+  g_print ("Subwindows redirected\n");
+  
   pa.subwindow_mode = IncludeInferiors;
   
   screen->root_picture =

src/display.c

@@ -187,6 +187,7 @@ meta_display_open (const char *name)
   GSList *screens;
   GSList *tmp;
   int i;
+  Time timestamp;
   /* Remember to edit code that assigns each atom to display struct
    * when adding an atom name here.
    */
@@ -532,6 +533,41 @@ meta_display_open (const char *name)
   meta_verbose ("Not compiled with Shape support\n");
 #endif /* !HAVE_SHAPE */
 
+  /* Create the leader window here. Set its properties and
+   * use the timestamp from one of the PropertyNotify events
+   * that will follow.
+   */
+  {
+    XSetWindowAttributes attrs;
+    gulong data[1];
+    XEvent event;
+
+    attrs.event_mask = PropertyChangeMask;
+    attrs.override_redirect = True;
+
+    display->leader_window = meta_create_offscreen_window (display->xdisplay,
+                                                           DefaultRootWindow (display->xdisplay));                                                           
+
+    set_utf8_string_hint (display,
+                          display->leader_window,
+                          display->atom_net_wm_name,
+                          "Metacity");
+    
+    data[0] = display->leader_window;
+    XChangeProperty (display->xdisplay,
+                     display->leader_window,
+                     display->atom_net_supporting_wm_check,
+                     XA_WINDOW,
+                     32, PropModeReplace, (guchar*) data, 1);
+
+    XWindowEvent (display->xdisplay,
+                  display->leader_window,
+                  PropertyChangeMask,
+                  &event);
+
+    timestamp = event.xproperty.time;
+  }
+
   display->compositor = meta_compositor_new (display);
   
   screens = NULL;
@@ -541,7 +577,7 @@ meta_display_open (const char *name)
     {
       MetaScreen *screen;
 
-      screen = meta_screen_new (display, i);
+      screen = meta_screen_new (display, i, timestamp);
 
       if (screen)
         screens = g_slist_prepend (screens, screen);
@@ -559,25 +595,6 @@ meta_display_open (const char *name)
       return FALSE;
     }
  
-  /* display->leader_window was created as a side effect of
-   * initializing the screens
-   */
-  
-  set_utf8_string_hint (display,
-                        display->leader_window,
-                        display->atom_net_wm_name,
-                        "Metacity");
-  {
-    gulong data[1];
-    data[0] = display->leader_window;
-
-    XChangeProperty (display->xdisplay,
-                     display->leader_window,
-                     display->atom_net_supporting_wm_check,
-                     XA_WINDOW,
-                     32, PropModeReplace, (guchar*) data, 1);
-  }
- 
   meta_display_grab (display);
   
   /* Now manage all existing windows */
@@ -603,9 +620,11 @@ meta_display_open (const char *name)
     if (focus == None || focus == PointerRoot)
       focus = display->no_focus_window;
 
-    /* FIXME CurrentTime evil */
+    /* Use the same timestamp that was passed to meta_screen_new(),
+     * as it is the most recent timestamp.
+     */
     XSetInputFocus (display->xdisplay, focus, RevertToPointerRoot,
-                    CurrentTime);
+                    timestamp);
     
     meta_error_trap_pop (display, FALSE);
   }
@@ -1616,14 +1635,28 @@ event_callback (XEvent   *event,
           if (event->type == FocusIn &&
               event->xfocus.detail == NotifyDetailNone)
             {
+              XEvent   property_event;
+
               /* FIXME _() gettextify on HEAD */
               meta_warning ("Working around an application which called XSetInputFocus (None) or with RevertToNone instead of RevertToPointerRoot, this is a minor bug in some application. If you can figure out which application causes this please report it as a bug against that application.\n");
 
               /* Fix the problem */
+              /* Using the property XA_PRIMARY because it's safe;
+               * nothing would use it as a property. The type
+               * doesn't matter.
+               */
+              XChangeProperty (display->xdisplay,
+                               display->leader_window,
+                               XA_PRIMARY, XA_STRING, 8,
+                               PropModeAppend, NULL, 0);
+              XWindowEvent (display->xdisplay,
+                            display->leader_window,
+                            PropertyChangeMask,
+                            &property_event);
               XSetInputFocus (display->xdisplay,
                               display->no_focus_window,
                               RevertToPointerRoot,
-                              CurrentTime); /* CurrentTime FIXME */
+                              property_event.xproperty.time);
             }
         }
       break;

src/screen.c

@@ -376,7 +376,8 @@ reload_xinerama_infos (MetaScreen *screen)
 
 MetaScreen*
 meta_screen_new (MetaDisplay *display,
-                 int          number)
+                 int          number,
+                 Time         timestamp)
 {
   MetaScreen *screen;
   Window xroot;
@@ -442,24 +443,7 @@ meta_screen_new (MetaDisplay *display,
 
   new_wm_sn_owner = meta_create_offscreen_window (xdisplay, xroot);
 
-  {
+  manager_timestamp = timestamp;
-    /* Generate a timestamp */
-    XSetWindowAttributes attrs;
-    XEvent event;
-
-    attrs.event_mask = PropertyChangeMask;
-    XChangeWindowAttributes (xdisplay, new_wm_sn_owner, CWEventMask, &attrs);
-    
-    XChangeProperty (xdisplay,
-                     new_wm_sn_owner, XA_WM_CLASS, XA_STRING, 8,
-                     PropModeAppend, NULL, 0);
-    XWindowEvent (xdisplay, new_wm_sn_owner, PropertyChangeMask, &event);
-    attrs.event_mask = NoEventMask;
-    XChangeWindowAttributes (display->xdisplay,
-                             new_wm_sn_owner, CWEventMask, &attrs);
-
-    manager_timestamp = event.xproperty.time;
-  }
   
   XSetSelectionOwner (xdisplay, wm_sn_atom, new_wm_sn_owner,
                       manager_timestamp);
@@ -561,6 +545,7 @@ meta_screen_new (MetaDisplay *display,
 
   screen->compositor_windows = NULL;
   screen->damage_region = None;
+  screen->root_picture = None;
   
   {
     XGCValues gc_values;
@@ -583,10 +568,6 @@ meta_screen_new (MetaDisplay *display,
   
   meta_screen_set_cursor (screen, META_CURSOR_DEFAULT);
   
-  if (display->leader_window == None)
-    display->leader_window = meta_create_offscreen_window (display->xdisplay,
-                                                           screen->xroot);
-  
   if (display->no_focus_window == None)
     {
       display->no_focus_window = meta_create_offscreen_window (display->xdisplay,

src/screen.h

@@ -121,7 +121,8 @@ struct _MetaScreen
 };
 
 MetaScreen*   meta_screen_new                 (MetaDisplay                *display,
-                                               int                         number);
+                                               int                         number,
+                                               Time                        timestamp);
 void          meta_screen_free                (MetaScreen                 *screen);
 void          meta_screen_manage_all_windows  (MetaScreen                 *screen);
 MetaScreen*   meta_screen_for_x_screen        (Screen                     *xscreen);

src/window.c

@@ -3126,7 +3126,7 @@ meta_window_focus (MetaWindow  *window,
           XSetInputFocus (window->display->xdisplay,
                           window->frame->xwindow,
                           RevertToPointerRoot,
-                          CurrentTime);
+                          timestamp);
           window->display->expected_focus_window = window;
         }
     }