vgradienttool.h

/* This file is part of the KDE project
   Copyright (C) 2001, 2002, 2003 The Karbon Developers
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef __VGRADIENTTOOL_H__
#define __VGRADIENTTOOL_H__
 
#include <kdialogbase.h>
 
#include "vtool.h"
#include "vgradient.h"
#include "KoRect.h"
 
class VGradientTabWidget;
 
class VGradientTool : public VTool
{
    TQ_OBJECT
  
 
public:
    VGradientTool( KarbonView *view );
    virtual ~VGradientTool();
 
    virtual void activate();
    virtual void deactivate();
 
    virtual void setup(TDEActionCollection *collection);
    virtual TQString uiname() { return i18n( "Gradient Tool" ); }
    virtual TQString statusText();
 
    virtual TQString contextHelp();
    virtual bool showDialog() const;
 
    virtual void draw( VPainter* painter );
 
protected:
 
    virtual void draw();
    virtual void mouseButtonRelease();
    virtual void mouseButtonPress();
    virtual void mouseDragRelease();
    virtual void mouseDrag();
    virtual void cancel();
    virtual void setCursor() const;
    virtual bool keyReleased( TQt::Key key );
 
    bool getGradient( VGradient &gradient );
 
    bool getOpacity( double &opacity );
 
protected slots:
    void targetChanged();
 
private:
    enum { normal, moveOrigin, moveVector, moveCenter, createNew } m_state;
 
    class VGradientOptionsWidget : public KDialogBase
    {
    public:
        VGradientOptionsWidget( VGradient& gradient );
        VGradientTabWidget *gradientWidget() { return m_gradientWidget; }
    private:
        VGradientTabWidget *m_gradientWidget;
    };
    VGradient            m_gradient; 
    KoPoint              m_current;  
    KoPoint              m_fixed;    
    VGradientOptionsWidget*  m_optionsWidget; 
    KoRect               m_origin;   
    KoRect               m_vector;   
    KoRect               m_center;   
    int                  m_handleSize; 
    bool                 m_active;   
};
 
#endif