added GDK_SCROLL_MASK to pixbuf renderer

gtk3 apparently needs GDK_SCROLL_MASK added to the event mask for
mouse wheel events
https://bugzilla.gnome.org/show_bug.cgi?id=671305

diff --git a/src/pixbuf-renderer.c b/src/pixbuf-renderer.c
index 7f7e493..1bbd40f 100644 (file)
--- a/src/pixbuf-renderer.c
+++ b/src/pixbuf-renderer.c
@@ -2140,7 +2140,7 @@ static void pr_signals_connect(PixbufRenderer *pr)
                         G_CALLBACK(pr_leave_notify_cb), pr);
 
        gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
-                                             GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
+                                             GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_SCROLL_MASK |
                                              GDK_LEAVE_NOTIFY_MASK);
 
        g_signal_connect(G_OBJECT(pr), "drag_begin",