+/* === S Y N F I G ========================================================= */
+/*! \file workarearenderer.h
+** \brief Template Header
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** This package 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 package 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.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_WORKAREARENDERER_H
+#define __SYNFIG_WORKAREARENDERER_H
+
+/* === H E A D E R S ======================================================= */
+
+#include <ETL/handle>
+#include <sigc++/signal.h>
+#include <sigc++/object.h>
+#include <synfig/vector.h>
+#include <gdkmm/drawable.h>
+#include <gdkmm/rectangle.h>
+
+/* === M A C R O S ========================================================= */
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace studio {
+class WorkArea;
+
+class WorkAreaRenderer : public etl::shared_object, public sigc::trackable
+{
+public:
+ typedef etl::handle<WorkAreaRenderer> Handle;
+ typedef etl::loose_handle<WorkAreaRenderer> LooseHandle;
+
+private:
+ bool enabled_;
+ int priority_;
+
+ sigc::signal<void> signal_changed_;
+
+ WorkArea* work_area_;
+
+public:
+
+ sigc::signal<void>& signal_changed() { return signal_changed_; }
+
+public:
+ int get_w()const;
+ int get_h()const;
+
+ float get_pw()const;
+ float get_ph()const;
+
+ //! Converts screen coords (ie: pixels) to composition coordinates
+ synfig::Point screen_to_comp_coords(synfig::Point pos)const;
+
+ //! Converts composition coordinates to screen coords (ie: pixels)
+ synfig::Point comp_to_screen_coords(synfig::Point pos)const;
+
+ WorkAreaRenderer();
+ virtual ~WorkAreaRenderer();
+
+ bool get_enabled()const { return get_enabled_vfunc(); }
+ int get_priority()const { return priority_; }
+ WorkArea* get_work_area()const { return work_area_; }
+
+ void set_enabled(bool x);
+ void set_priority(int x);
+ void set_work_area(WorkArea* work_area_);
+
+ virtual void render_vfunc(
+ const Glib::RefPtr<Gdk::Drawable>& window,
+ const Gdk::Rectangle& expose_area
+ );
+
+ virtual bool event_vfunc(
+ GdkEvent* event
+ );
+
+protected:
+
+ virtual bool get_enabled_vfunc()const;
+
+public:
+ bool operator<(const WorkAreaRenderer &rhs)
+ { return priority_<rhs.priority_; }
+};
+
+inline bool operator<(const WorkAreaRenderer::Handle &lhs,const WorkAreaRenderer::Handle &rhs)
+ { return lhs->get_priority() < rhs->get_priority(); }
+
+inline bool operator<(const WorkAreaRenderer::LooseHandle &lhs,const WorkAreaRenderer::LooseHandle &rhs)
+ { return lhs->get_priority() < rhs->get_priority(); }
+
+}; // END of namespace studio
+
+/* === E N D =============================================================== */
+
+#endif