grab stable branch

[synfig.git] / synfig-studio / tags / stable / src / gtkmm / workarearenderer.h

diff --git a/synfig-studio/tags/stable/src/gtkmm/workarearenderer.h b/synfig-studio/tags/stable/src/gtkmm/workarearenderer.h
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+/* === S I N F G =========================================================== */
+/*!    \file template.h
+**     \brief Template Header
+**
+**     $Id: workarearenderer.h,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
+**
+**     \legal
+**     Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+**     This software and associated documentation
+**     are CONFIDENTIAL and PROPRIETARY property of
+**     the above-mentioned copyright holder.
+**
+**     You may not copy, print, publish, or in any
+**     other way distribute this software without
+**     a prior written agreement with
+**     the copyright holder.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SINFG_WORKAREARENDERER_H
+#define __SINFG_WORKAREARENDERER_H
+
+/* === H E A D E R S ======================================================= */
+
+#include <ETL/handle>
+#include <sigc++/signal.h>
+#include <sigc++/object.h>
+#include <sinfg/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
+       sinfg::Point screen_to_comp_coords(sinfg::Point pos)const;
+
+       //! Converts composition coordinates to screen coords (ie: pixels)
+       sinfg::Point comp_to_screen_coords(sinfg::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