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Fix a refcounting issues in GtkPlug

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When the foreign window already has a GdkWindow, we forget to take
an extra references, leading to crashes later on. Patch by
Karl Tomlinson, bug 607061.
This commit is contained in:
Matthias Clasen 2010-02-08 20:08:22 -05:00
parent 9fc642019e
commit beddf67e56
1 changed files with 23 additions and 16 deletions
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39
gtk/gtkplug.c
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@ -325,6 +325,7 @@ _gtk_plug_add_to_socket (GtkPlug *plug,
socket_->plug_widget = widget;
plug->socket_window = GTK_WIDGET (socket_)->window;
g_object_ref (plug->socket_window);
if (GTK_WIDGET_REALIZED (widget))
{
@ -410,10 +411,13 @@ _gtk_plug_remove_from_socket (GtkPlug *plug,
socket_->same_app = FALSE;
plug->same_app = FALSE;
plug->socket_window = NULL;
if (plug->socket_window != NULL)
{
g_object_unref (plug->socket_window);
plug->socket_window = NULL;
}
gtk_plug_set_is_child (plug, FALSE);
g_signal_emit_by_name (socket_, "plug-removed", &result);
if (!result)
gtk_widget_destroy (GTK_WIDGET (socket_));
@ -467,22 +471,25 @@ gtk_plug_construct_for_display (GtkPlug *plug,
gpointer user_data = NULL;
plug->socket_window = gdk_window_lookup_for_display (display, socket_id);
if (plug->socket_window)
gdk_window_get_user_data (plug->socket_window, &user_data);
{
gdk_window_get_user_data (plug->socket_window, &user_data);
if (user_data)
{
if (GTK_IS_SOCKET (user_data))
_gtk_plug_add_to_socket (plug, user_data);
else
{
g_warning (G_STRLOC "Can't create GtkPlug as child of non-GtkSocket");
plug->socket_window = NULL;
}
}
else
g_object_ref (plug->socket_window);
}
else
plug->socket_window = gdk_window_foreign_new_for_display (display, socket_id);
if (user_data)
{
if (GTK_IS_SOCKET (user_data))
_gtk_plug_add_to_socket (plug, user_data);
else
{
g_warning (G_STRLOC "Can't create GtkPlug as child of non-GtkSocket");
plug->socket_window = NULL;
}
}
if (plug->socket_window) {
g_signal_emit (plug, plug_signals[EMBEDDED], 0);