Towards packing CairoWidgets on ArdourCanvas.

2 files changed, 24 insertions, 0 deletions

diff --git a/libs/canvas/canvas/widget.h b/libs/canvas/canvas/widget.h
index 127862037c..c1f6dc1f36 100644
--- a/libs/canvas/canvas/widget.h
+++ b/libs/canvas/canvas/widget.h
@@ -44,6 +44,8 @@ public:
 private:
 	CairoWidget& _widget;
 	bool event_proxy (GdkEvent*);
+	bool queue_draw ();
+	bool queue_resize ();
 };
 
 }
diff --git a/libs/canvas/widget.cc b/libs/canvas/widget.cc
index 25541c1660..7293badb7c 100644
--- a/libs/canvas/widget.cc
+++ b/libs/canvas/widget.cc
@@ -34,6 +34,9 @@ Widget::Widget (Canvas* c, CairoWidget& w)
 	, _widget (w)
 {
 	Event.connect (sigc::mem_fun (*this, &Widget::event_proxy));
+	w.set_canvas_widget ();
+	w.QueueDraw.connect (sigc::mem_fun(*this, &Widget::queue_draw));
+	w.QueueResize.connect (sigc::mem_fun(*this, &Widget::queue_resize));
 }
 
 Widget::Widget (Item* parent, CairoWidget& w)
@@ -41,6 +44,9 @@ Widget::Widget (Item* parent, CairoWidget& w)
 	, _widget (w)
 {
 	Event.connect (sigc::mem_fun (*this, &Widget::event_proxy));
+	w.set_canvas_widget ();
+	w.QueueDraw.connect (sigc::mem_fun(*this, &Widget::queue_draw));
+	w.QueueResize.connect (sigc::mem_fun(*this, &Widget::queue_resize));
 }
 
 bool
@@ -50,6 +56,22 @@ Widget::event_proxy (GdkEvent* ev)
 	return _widget.event (ev);
 }
 
+bool
+Widget::queue_draw ()
+{
+	begin_visual_change ();
+	end_visual_change ();
+	return true;
+}
+
+bool
+Widget::queue_resize ()
+{
+	begin_change ();
+	end_change ();
+	return true;
+}
+
 void
 Widget::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
 {