new multistate custom cell pixbuf renderer

git-svn-id: svn://localhost/ardour2/branches/3.0@6147 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 79 insertions, 0 deletions

diff --git a/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_multi.h b/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_multi.h
new file mode 100644
index 0000000000..f4451a77d7
--- /dev/null
+++ b/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_multi.h
@@ -0,0 +1,79 @@
+/*
+    Copyright (C) 2000-2009 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __gtkmm2ext_cell_renderer_pixbuf_multi_h__ 
+#define __gtkmm2ext_cell_renderer_pixbuf_multi_h__
+
+#ifdef GTKOSX
+#include <MacTypes.h>
+#if defined(Style)
+#undef style
+#endif
+#endif
+
+#include <map>
+
+#include <gtkmm/drawingarea.h>
+#include <gtkmm/adjustment.h>
+#include <gtkmm/widget.h>
+#include <gtkmm/cellrenderer.h>
+#include <gdkmm.h>
+
+using namespace Gtk;
+
+namespace Gtkmm2ext {
+
+class CellRendererPixbufMulti : public Gtk::CellRenderer
+{
+  public:
+
+	CellRendererPixbufMulti();  
+	virtual ~CellRendererPixbufMulti(){};
+
+	virtual void render_vfunc (const Glib::RefPtr<Gdk::Drawable>& window, Gtk::Widget& widget, const Gdk::Rectangle& background_area, const Gdk::Rectangle& cell_area, const Gdk::Rectangle& expose_area, Gtk::CellRendererState flags);
+
+	virtual void get_size_vfunc (Gtk::Widget& widget, const Gdk::Rectangle* cell_area, int* x_offset, int* y_offset, int* width, int* height) const;
+
+	virtual bool activate_vfunc(GdkEvent*, Gtk::Widget&, const Glib::ustring& path, const Gdk::Rectangle&, const Gdk::Rectangle&, Gtk::CellRendererState);
+
+	Glib::PropertyProxy_Base _property_renderable();
+
+	Glib::PropertyProxy<uint32_t> property_state();
+
+	void set_pixbuf(uint32_t state, Glib::RefPtr<Gdk::Pixbuf> pixbuf);
+	
+	typedef sigc::signal<void, const Glib::ustring&> SignalChanged;
+
+	SignalChanged& signal_changed();
+
+  protected:
+  
+  private:
+	Glib::Property<uint32_t> property_state_; 
+
+	std::map<uint32_t,Glib::RefPtr<Gdk::Pixbuf> > _pixbufs;
+
+	//void on_cell_toggled(const Glib::ustring& path_string);
+
+	SignalChanged signal_changed_;
+};
+
+} // namespace
+
+#endif /* __gtkmm2ext_cell_renderer_pixbuf_multi_h__ */