[gtk+] gesturesingle: Ensure the current button stays set until after the touch/button release

[Carlos Garnacho <carlosg src gnome org>]

commit 20a59985fe365a703fdf270e15608b5debda20e2
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jun 11 17:34:23 2014 +0200

    gesturesingle: Ensure the current button stays set until after the touch/button release
    
    This makes gtk_gesture_get_current_button() work properly on GtkGesture::end, and signals
    spawn from there on subclasses.

 gtk/gtkgesturesingle.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkgesturesingle.c b/gtk/gtkgesturesingle.c
index 08e5b42..ac91851 100644
--- a/gtk/gtkgesturesingle.c
+++ b/gtk/gtkgesturesingle.c
@@ -131,6 +131,7 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
   GdkDevice *source_device;
   GdkInputSource source;
   guint button = 0, i;
+  gboolean retval;
 
   source_device = gdk_event_get_source_device (event);
 
@@ -204,11 +205,14 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
 
       priv->current_button = button;
     }
-  else if (sequence == priv->current_sequence &&
-           (event->type == GDK_BUTTON_RELEASE || event->type == GDK_TOUCH_END))
+
+  retval = GTK_EVENT_CONTROLLER_CLASS (gtk_gesture_single_parent_class)->handle_event (controller, event);
+
+  if (sequence == priv->current_sequence &&
+      (event->type == GDK_BUTTON_RELEASE || event->type == GDK_TOUCH_END))
     priv->current_button = 0;
 
-  return GTK_EVENT_CONTROLLER_CLASS (gtk_gesture_single_parent_class)->handle_event (controller, event);
+  return retval;
 }
 
 static void