ContainerGump.h

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/*
 *  Copyright (C) 2003-2005  The Pentagram Team
 *
 *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef CONTAINERGUMP_H
#define CONTAINERGUMP_H

#include "ItemRelativeGump.h"

class Shape;
class Container;

class ContainerGump : public ItemRelativeGump
{
public:
        ENABLE_RUNTIME_CLASSTYPE();

        ContainerGump();
        ContainerGump(Shape* shape, uint32 framenum, uint16 owner,
                                  uint32 _Flags = FLAG_DRAGGABLE, sint32 layer = LAYER_NORMAL);
        virtual ~ContainerGump(void);

        void setItemArea(Pentagram::Rect* itemarea_) { itemarea = *itemarea_; }

        // Close the gump
        virtual void Close(bool no_del = false);

        // Init the gump, call after construction
        virtual void InitGump(Gump* newparent, bool take_focus=true);

        // Paint the Gump
        virtual void PaintThis(RenderSurface*, sint32 lerp_factor, bool scaled);

        // Trace a click, and return ObjId
        virtual uint16 TraceObjId(int mx, int my);

        // Get the location of an item in the gump (coords relative to this).
        // Returns false on failure.
        virtual bool GetLocationOfItem(uint16 itemid, int &gx, int &gy,
                                                                   sint32 lerp_factor = 256);


        virtual bool StartDraggingItem(Item* item, int mx, int my);
        virtual bool DraggingItem(Item* item, int mx, int my);
        virtual void DraggingItemLeftGump(Item* item);
        virtual void StopDraggingItem(Item* item, bool moved);
        virtual void DropItem(Item* item, int mx, int my);

        virtual Gump* OnMouseDown(int button, int mx, int my);
        virtual void OnMouseClick(int button, int mx, int my);
        virtual void OnMouseDouble(int button, int mx, int my);

        bool loadData(IDataSource* ids, uint32 version);
protected:
        virtual void saveData(ODataSource* ods);

        virtual void GetItemLocation(sint32 lerp_factor);

        virtual Container* getTargetContainer(Item* item, int mx, int my);

        void getItemCoords(Item* item, sint32& itemx, sint32& itemy);

        Pentagram::Rect itemarea;

        bool display_dragging;
        uint32 dragging_shape;
        uint32 dragging_frame;
        uint32 dragging_flags;
        sint32 dragging_x, dragging_y;
};

#endif

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