tool.h

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// -*- C++ -*-

/*
 * GChemPaint library
 * tool.h
 *
 * Copyright (C) 2001-2011 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * 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 3 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCHEMPAINT_TOOL_H
#define GCHEMPAINT_TOOL_H

#include <gcu/macros.h>
#include <gtk/gtk.h>
#include <libxml/tree.h>
#include <vector>
#include <set>
#include <string>

namespace gcu {
        class Dialog;
        class Object;
        class UIManager;
}

namespace gccv {
        class Item;
}

namespace gcp {

class Application;
class View;
class WidgetData;
class Operation;

class Tool
{
public:
        Tool (gcp::Application *App, std::string Id);
        virtual ~Tool ();

        bool OnClicked (View* pView, gcu::Object* pObject, double x, double y, unsigned int state);

        void OnDrag (double x, double y, unsigned int state);
        void OnMotion (View* pView, gcu::Object* pObject, double x, double y, unsigned int state);
        void OnLeaveNotify (View* pView, unsigned int state);
        void OnRelease (double x, double y, unsigned int state);
        bool OnRightButtonClicked (View* pView, gcu::Object* pObject, double x, double y, gcu::UIManager *UIManager);
        bool Activate (bool bState);
        std::string& GetName () {return name;}
        virtual bool OnRightButtonClicked (gcu::UIManager *UIManager);
        virtual void Activate ();
        virtual bool Deactivate ();
        void OnKeyPressed (unsigned int code) {m_nState |= code; OnChangeState ();}
        void OnKeyReleased (unsigned int code) {if (m_nState & code) m_nState -= code; OnChangeState ();}
        virtual bool OnKeyPress (GdkEventKey *event);
        virtual bool OnKeyRelease (GdkEventKey *event);
        virtual bool NotifyViewChange ();
        virtual bool DeleteSelection ();
        virtual bool CopySelection (GtkClipboard *clipboard);
        virtual bool CutSelection (GtkClipboard *clipboard);
        virtual bool PasteSelection (GtkClipboard *clipboard);
        virtual void AddSelection (WidgetData* data);
        virtual bool OnReceive (GtkClipboard *clipboard, GtkSelectionData *data, int type);
        virtual bool OnUndo ();
        virtual bool OnRedo ();
        virtual void PushNode (xmlNodePtr node);
        virtual GtkWidget *GetPropertyPage ();
        virtual char const *GetHelpTag () {return "";}
        Application * GetApplication () {return m_pApp;}
        virtual void OnConfigChanged () {}

protected:
        virtual bool OnClicked ();
        virtual void OnDrag ();
        virtual void OnMotion ();
        virtual void OnLeaveNotify ();
        virtual void OnRelease ();
        virtual void OnChangeState ();

protected:
        double m_x0;
        double m_y0;
        double m_x1;
        double m_y1;
        double m_x;
        double m_y;
        gcu::Object *m_pObject;
        gcu::Object *m_pObjectGroup;
        View *m_pView;
        WidgetData *m_pData;
        GtkWidget *m_pWidget;
        gccv::Item *m_Item;
        double m_dZoomFactor;
        bool m_bChanged;
        unsigned int m_nState;
        gcp::Application *m_pApp;
        std::set<std::string> ModifiedObjects;
        bool m_bAllowed;

private:
        double lastx, lasty;
        std::string name;
        bool m_bPressed;

GCU_PROT_PROP (bool, OwnStatus)
};

}       // namespace gcp

#endif // GCHEMPAINT_TOOL_H