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/* 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
{
Q_OBJECT
public:
VGradientTool( KarbonView *view );
virtual ~VGradientTool();
virtual void activate();
virtual void deactivate();
virtual void setup(KActionCollection *collection);
virtual QString uiname() { return i18n( "Gradient Tool" ); }
virtual QString statusText();
virtual QString 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( Qt::Key key );
/**
* Determines the actual gradient to be edited.
*
* @param gradient the found gradient
* @return true if gradient was found, else false
*/
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; /**< the actual gradient */
KoPoint m_current; /**< the current position when dragging */
KoPoint m_fixed; /**< the fixed point when only dragging one point of the gradient vector */
VGradientOptionsWidget* m_optionsWidget; /**< the options dialog, for editing gradients */
KoRect m_origin; /**< the handle of the gradient origin */
KoRect m_vector; /**< the handle of the gradient vector */
KoRect m_center; /**< the handle of the radial gradient focal point */
int m_handleSize; /**< the handle's size */
bool m_active; /**< holds active state of the tool, which is used for drawing of the gradient vector */
};
#endif
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