[gtk+/gtk-3-14] gtklabel: Don't accept unhandled mouse buttons

[Matthias Clasen <matthiasc src gnome org>]

commit 393e4205ec55fbda539365284f17040b53c4ed96
Author: Timm Bäder <mail baedert org>
Date:   Fri Dec 26 23:04:37 2014 +0100

    gtklabel: Don't accept unhandled mouse buttons
    
    If the pressed mouse button neither triggers a context menu nor
    activates a link, set the sequence's state to DENIED.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742010

 gtk/gtklabel.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 2c9e007..d37e933 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -4895,6 +4895,11 @@ gtk_label_multipress_gesture_pressed (GtkGestureMultiPress *gesture,
           gtk_label_select_word (label);
         }
     }
+  else
+    {
+      gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
+      return;
+    }
 
   if (n_press >= 3)
     gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));