AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2024-12-27 06:00:22 +00:00
Code Issues Projects Releases Wiki Activity

Decouple GdkWindowCache life-cycle from GdkX11DragContext

Browse Source 
By making window caches refcounted. This fixes problems with leaking
drag contexts, as experienced in
https://bugzilla.gnome.org/show_bug.cgi?id=637691
and
https://bugzilla.gnome.org/show_bug.cgi?id=144324

Based on a patch by drago01@gmail.com
This commit is contained in:
Matthias Clasen 2011-01-05 17:37:37 +01:00 committed by Adel Gadllah
parent 54a07580c0
commit 644f25c497
1 changed files with 52 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
gdk/x11/gdkdnd-x11.c
View File

@ -68,6 +68,7 @@ typedef struct {
GHashTable *child_hash;
guint old_event_mask;
GdkScreen *screen;
gint ref_count;
} GdkWindowCache;
/* Structure that holds information about a drag in progress.
@ -103,7 +104,9 @@ struct _GdkDragContextPrivateX11 {
/* Forward declarations */
static void gdk_window_cache_destroy (GdkWindowCache *cache);
static GdkWindowCache *gdk_window_cache_get (GdkScreen *screen);
static GdkWindowCache *gdk_window_cache_ref (GdkWindowCache *cache);
static void gdk_window_cache_unref (GdkWindowCache *cache);
static void motif_read_target_table (GdkDisplay *display);
@ -137,6 +140,7 @@ static void xdnd_manage_source_filter (GdkDragContext *context,
static void gdk_drag_context_finalize (GObject *object);
static GList *contexts;
static GSList *window_caches;
static const struct {
const char *atom_name;
@ -197,9 +201,8 @@ gdk_drag_context_finalize (GObject *object)
if (context->dest_window)
g_object_unref (context->dest_window);
for (tmp_list = private->window_caches; tmp_list; tmp_list = tmp_list->next)
gdk_window_cache_destroy (tmp_list->data);
g_slist_free (private->window_caches);
g_slist_free_full (private->window_caches, (GDestroyNotify)gdk_window_cache_unref);
private->window_caches = NULL;
contexts = g_list_remove (contexts, context);
@ -531,6 +534,7 @@ gdk_window_cache_new (GdkScreen *screen)
result->children = NULL;
result->child_hash = g_hash_table_new (g_direct_hash, NULL);
result->screen = screen;
result->ref_count = 1;
XGetWindowAttributes (xdisplay, GDK_WINDOW_XWINDOW (root_window), &xwa);
result->old_event_mask = xwa.your_event_mask;
@ -592,6 +596,49 @@ gdk_window_cache_new (GdkScreen *screen)
return result;
}
static GdkWindowCache *
gdk_window_cache_ref (GdkWindowCache *cache)
{
cache->ref_count += 1;
return cache;
}
static void
gdk_window_cache_unref (GdkWindowCache *cache)
{
g_assert (cache->ref_count > 0);
cache->ref_count -= 1;
if (cache->ref_count == 0)
{
window_caches = g_slist_remove (window_caches, cache);
gdk_window_cache_destroy (cache);
}
}
GdkWindowCache *
gdk_window_cache_get (GdkScreen *screen)
{
GSList *list;
GdkWindowCache *cache;
for (list = window_caches; list; list = list->next)
{
cache = list->data;
if (cache->screen == screen)
return gdk_window_cache_ref (cache);
}
cache = gdk_window_cache_new (screen);
window_caches = g_slist_prepend (window_caches, cache);
return cache;
}
static void
gdk_window_cache_destroy (GdkWindowCache *cache)
{
@ -3302,7 +3349,7 @@ drag_context_find_window_cache (GdkDragContext *context,
return cache;
}
cache = gdk_window_cache_new (screen);
cache = gdk_window_cache_get (screen);
private->window_caches = g_slist_prepend (private->window_caches, cache);
return cache;