Fix background unhiding.

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@4091 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/gtk2_ardour/time_axis_view.cc b/gtk2_ardour/time_axis_view.cc
index 9b3e5d6c3f1d9e84e89474c679ffda4c8033e484..e70561b9ab9dc6aacb62794578cf65eca25ba32b 100644 (file)
--- a/gtk2_ardour/time_axis_view.cc
+++ b/gtk2_ardour/time_axis_view.cc
@@ -229,9 +229,9 @@ TimeAxisView::show_at (double y, int& nth, VBox *parent)
        if (y_position != y) {
                canvas_display->property_y () = y;
                canvas_background->property_y () = y + editor.get_canvas_timebars_vsize();
-               canvas_background->move (0.0, 0.0);
                /* silly canvas */
                canvas_display->move (0.0, 0.0);
+               canvas_background->move (0.0, 0.0);
                y_position = y;
        }
 
@@ -241,6 +241,7 @@ TimeAxisView::show_at (double y, int& nth, VBox *parent)
        if (_marked_for_display) {
                controls_frame.show ();
                controls_ebox.show ();
+               canvas_background->show ();
        }
 
        _hidden = false;
@@ -265,9 +266,11 @@ TimeAxisView::clip_to_viewport ()
 {
        if (_marked_for_display) {
                if (y_position  +  effective_height < editor.get_trackview_group_vertical_offset () || y_position > editor.get_trackview_group_vertical_offset () + canvas_display->get_canvas()->get_height()) {
+                       canvas_background->hide ();
                        canvas_display->hide ();
                        return;
                }
+               canvas_background->show();
                canvas_display->show ();
        }
        return;