From a2bdce8df3ba76587cb273d7d5aaed0d6dd39fbc Mon Sep 17 00:00:00 2001
From: Thibault Saunier <tsaunier@gnome.org>
Date: Sat, 19 Sep 2015 11:46:37 +0200
Subject: gtkglsink: Hide and clean the GtkWindow we might create

When stopping the sink we should always hide the window.

https://bugzilla.gnome.org/show_bug.cgi?id=755249
---
 ext/gtk/gstgtkbasesink.c | 28 +++++++++++++++++++++-------
 ext/gtk/gstgtkbasesink.h |  2 ++
 ext/gtk/gstgtkglsink.c   |  2 +-
 3 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/ext/gtk/gstgtkbasesink.c b/ext/gtk/gstgtkbasesink.c
index d0744a0c9..42f74261a 100644
--- a/ext/gtk/gstgtkbasesink.c
+++ b/ext/gtk/gstgtkbasesink.c
@@ -44,6 +44,7 @@ static void gst_gtk_base_sink_get_property (GObject * object, guint prop_id,
     GValue * value, GParamSpec * param_spec);
 
 static gboolean gst_gtk_base_sink_start (GstBaseSink * bsink);
+static gboolean gst_gtk_base_sink_stop (GstBaseSink * bsink);
 
 static GstStateChangeReturn
 gst_gtk_base_sink_change_state (GstElement * element,
@@ -121,6 +122,7 @@ gst_gtk_base_sink_class_init (GstGtkBaseSinkClass * klass)
   gstbasesink_class->set_caps = gst_gtk_base_sink_set_caps;
   gstbasesink_class->get_times = gst_gtk_base_sink_get_times;
   gstbasesink_class->start = gst_gtk_base_sink_start;
+  gstbasesink_class->stop = gst_gtk_base_sink_stop;
 
   gstvideosink_class->show_frame = gst_gtk_base_sink_show_frame;
 }
@@ -279,18 +281,30 @@ gst_gtk_base_sink_start (GstBaseSink * bsink)
 
   toplevel = gtk_widget_get_toplevel (GTK_WIDGET (gst_sink->widget));
   if (!gtk_widget_is_toplevel (toplevel)) {
-    GtkWidget *window;
-
     /* sanity check */
     g_assert (klass->window_title);
 
     /* User did not add widget its own UI, let's popup a new GtkWindow to
      * make gst-launch-1.0 work. */
-    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-    gtk_window_set_default_size (GTK_WINDOW (window), 640, 480);
-    gtk_window_set_title (GTK_WINDOW (window), klass->window_title);
-    gtk_container_add (GTK_CONTAINER (window), toplevel);
-    gtk_widget_show_all (window);
+    gst_sink->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+    gtk_window_set_default_size (GTK_WINDOW (gst_sink->window), 640, 480);
+    gtk_window_set_title (GTK_WINDOW (gst_sink->window), klass->window_title);
+    gtk_container_add (GTK_CONTAINER (gst_sink->window), toplevel);
+    gtk_widget_show_all (gst_sink->window);
+  }
+
+  return TRUE;
+}
+
+static gboolean
+gst_gtk_base_sink_stop (GstBaseSink * bsink)
+{
+  GstGtkBaseSink *gst_sink = GST_GTK_BASE_SINK (bsink);
+
+  if (gst_sink->window) {
+    gtk_widget_destroy (gst_sink->window);
+    gst_sink->window = NULL;
+    gst_sink->widget = NULL;
   }
 
   return TRUE;
diff --git a/ext/gtk/gstgtkbasesink.h b/ext/gtk/gstgtkbasesink.h
index 6158d81ed..7260cd5a7 100644
--- a/ext/gtk/gstgtkbasesink.h
+++ b/ext/gtk/gstgtkbasesink.h
@@ -67,6 +67,8 @@ struct _GstGtkBaseSink
 
   gboolean              ignore_alpha;
   GBinding             *bind_ignore_alpha;
+
+  GtkWidget            *window;
 };
 
 /**
diff --git a/ext/gtk/gstgtkglsink.c b/ext/gtk/gstgtkglsink.c
index d59880c53..ceba7bda1 100644
--- a/ext/gtk/gstgtkglsink.c
+++ b/ext/gtk/gstgtkglsink.c
@@ -212,7 +212,7 @@ gst_gtk_gl_sink_stop (GstBaseSink * bsink)
     gtk_sink->gtk_context = NULL;
   }
 
-  return TRUE;
+  return GST_BASE_SINK_CLASS (parent_class)->stop (bsink);
 }
 
 static gboolean
-- 
cgit v1.2.1