/*
 * Copyright 2005-2008, Haiku Inc.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Axel Dörfler, axeld@pinc-software.de
 */
#ifndef WORKSPACES_VIEW_H
#define WORKSPACES_VIEW_H


#include "View.h"


class WorkspacesView : public View {
public:
                                        WorkspacesView(BRect frame, BPoint scrollingOffset,
                                                const char* name, int32 token, uint32 resize,
                                                uint32 flags);
        virtual                 ~WorkspacesView();

        virtual void    AttachedToWindow(::Window* window);
        virtual void    DetachedFromWindow();

        virtual void    Draw(DrawingEngine* drawingEngine,
                                                const BRegion* effectiveClipping,
                                                const BRegion* windowContentClipping, bool deep = false);

        virtual void    MouseDown(BMessage* message, BPoint where);
        virtual void    MouseUp(BMessage* message, BPoint where);
        virtual void    MouseMoved(BMessage* message, BPoint where);

                        void    WindowChanged(::Window* window);
                        void    WindowRemoved(::Window* window);

private:
                        void    _GetGrid(int32& columns, int32& rows);
                        BRect   _ScreenFrame(int32 index);
                        BRect   _WorkspaceAt(int32 index);
                        BRect   _WorkspaceAt(BPoint where, int32& index);
                        BRect   _WindowFrame(const BRect& workspaceFrame,
                                                const BRect& screenFrame, const BRect& windowFrame,
                                                BPoint windowPosition);

                        void    _DrawWindow(DrawingEngine* drawingEngine,
                                                const BRect& workspaceFrame, const BRect& screenFrame,
                                                ::Window* window, BPoint windowPosition,
                                                BRegion& backgroundRegion, bool workspaceActive);
                        void    _DrawWorkspace(DrawingEngine* drawingEngine,
                                                BRegion& redraw, int32 index);

                        void    _DarkenColor(rgb_color& color) const;
                        void    _Invalidate() const;

private:
        ::Window*               fSelectedWindow;
        int32                   fSelectedWorkspace;
        bool                    fHasMoved;
        BPoint                  fClickPoint;
        BPoint                  fLeftTopOffset;
};

#endif  // WORKSPACES_VIEW_H