[gtk+] treeview: fix dragging of columns in mutter



commit 0db8aeaad9f81d7d3b582cc9f0b096705bf0591a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Nov 11 22:53:12 2013 -0500

    treeview: fix dragging of columns in mutter
    
    Don't recurse the mainloop in _gtk_tree_view_column_start_drag().
    It doesn't serve any discernible purpose, and recursing the
    mainloop from the flush-events phas of the frame clock breaks
    frame synchronization with mutter.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=705176

 gtk/gtktreeview.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 2ee1bb7..8826ba1 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -9926,8 +9926,6 @@ _gtk_tree_view_column_start_drag (GtkTreeView       *tree_view,
   gdk_window_show (tree_view->priv->drag_window);
 
   gtk_widget_grab_focus (GTK_WIDGET (tree_view));
-  while (gtk_events_pending ())
-    gtk_main_iteration ();
 
   tree_view->priv->in_column_drag = TRUE;
 


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