[gtk+/gestures: 126/140] swipe: Don't emit ::swipe if there are still active touches

[Carlos Garnacho <carlosg src gnome org>]

commit f774e79d884c9b28dd0752a0c31fa6e5bb8986dd
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Apr 17 13:05:11 2014 +0200

    swipe: Don't emit ::swipe if there are still active touches
    
    Avoids sending spurious signals when an extra touch happens.

 gtk/gtkgestureswipe.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkgestureswipe.c b/gtk/gtkgestureswipe.c
index c322566..25a714e 100644
--- a/gtk/gtkgestureswipe.c
+++ b/gtk/gtkgestureswipe.c
@@ -172,6 +172,9 @@ gtk_gesture_swipe_end (GtkGesture       *gesture,
   if (gtk_gesture_get_sequence_state (gesture, seq) == GTK_EVENT_SEQUENCE_DENIED)
     return;
 
+  if (gtk_gesture_is_active (gesture))
+    return;
+
   priv = gtk_gesture_swipe_get_instance_private (swipe);
   _gtk_gesture_swipe_calculate_velocity (swipe, &velocity_x, &velocity_y);
   g_signal_emit (gesture, signals[SWIPE], 0, velocity_x, velocity_y);