[gtk+] treeview: Check that :row-activated is only emitted on GDK_BUTTON_PRIMARY

[Carlos Garnacho <carlosg src gnome org>]

commit 3e65655424544a4a650ca4d65d5610b60f2ee56e
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jun 11 23:18:34 2014 +0200

    treeview: Check that :row-activated is only emitted on GDK_BUTTON_PRIMARY
    
    It turned out not all code was fully prepared to handle multiple buttons,
    this avoids respawning https://bugzilla.gnome.org/show_bug.cgi?id=731020.

 gtk/gtktreeview.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 70d4a33..d2b6df0 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -3295,7 +3295,8 @@ gtk_tree_view_multipress_gesture_pressed (GtkGestureMultiPress *gesture,
       tree_view->priv->extend_selection_pressed = FALSE;
     }
 
-  if (n_press == 2 || (n_press == 1 && tree_view->priv->activate_on_single_click))
+  if (button == GDK_BUTTON_PRIMARY &&
+      (n_press == 2 || (n_press == 1 && tree_view->priv->activate_on_single_click)))
     gtk_tree_view_row_activated (tree_view, path, column);
   else
     {