[gtk+/gtk-3-18] filechooser: ignore double clicks on the selected item

[Matthias Clasen <matthiasc src gnome org>]

commit 80a362c3c3caf41cb01bcc91c7de18bd03727890
Author: Paolo Borelli <pborelli gnome org>
Date:   Wed Nov 11 14:43:55 2015 +0100

    filechooser: ignore double clicks on the selected item
    
    Since we are now interpreting button press events and
    make our own double-click determination, we should not
    handle double-click events that are generated by GDK.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757950

 gtk/gtkfilechooserwidget.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 387f618..b10dd2e 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -2403,6 +2403,7 @@ list_button_press_event_cb (GtkWidget            *widget,
   get_selection_modifiers (widget, event, &modify, &extend);
   if (!is_touchscreen &&
       !modify && !extend &&
+      event->type == GDK_BUTTON_PRESS &&
       event->button == GDK_BUTTON_PRIMARY &&
       gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->browse_files_tree_view),
                                      event->x, event->y,