treeview: restrict the multipress gesture to GDK_BUTTON_PRIMARY

::row-activated only used to be triggered by GDK_BUTTON_PRIMARY, so make
the multipress gesture handling this now to be only triggered by that same
button.

https://bugzilla.gnome.org/show_bug.cgi?id=731020

diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 0001c181018bbfeafda7438d691dec72924b40f4..f6b973b4105c9197bfa9782baeb94cfc016ff1a8 100644 (file)
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -1840,6 +1840,8 @@ gtk_tree_view_init (GtkTreeView *tree_view)
 
   tree_view->priv->multipress_gesture = gtk_gesture_multi_press_new (GTK_WIDGET (tree_view));
   gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (tree_view->priv->multipress_gesture), FALSE);
+  gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (tree_view->priv->multipress_gesture),
+                                 GDK_BUTTON_PRIMARY);
   g_signal_connect (tree_view->priv->multipress_gesture, "pressed",
                     G_CALLBACK (_tree_view_multipress_pressed), tree_view);
   gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (tree_view->priv->multipress_gesture),