[nautilus] eel-canvas: ignore extra mouse button events

[Nelson BenÃtez LeÃn <nbenitez src gnome org>]

commit 3deb33d449f293b8e2597ccd7cc3bacec7b40ca2
Author: Nelson Benitez Leon <nbenitezl gmail com>
Date:   Thu Mar 29 12:15:33 2012 +0200

    eel-canvas: ignore extra mouse button events
    
    Ignore button press/release events for mouse buttons greater
    than 5 so allowing forward and backward mouse buttons to work
    over icons.
    
    Part of bug 660006
    
    Signed-off-by: Nelson Benitez Leon <nbenitezl gmail com>

 eel/eel-canvas.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/eel/eel-canvas.c b/eel/eel-canvas.c
index 4355e19..ebca1bb 100644
--- a/eel/eel-canvas.c
+++ b/eel/eel-canvas.c
@@ -3006,6 +3006,10 @@ eel_canvas_button (GtkWidget *widget, GdkEventButton *event)
 
 	canvas = EEL_CANVAS (widget);
 
+	/* Don't handle extra mouse button events */
+	if (event->button > 5)
+		return FALSE;
+
 	/*
 	 * dispatch normally regardless of the event's window if an item has
 	 * has a pointer grab in effect