vgradienttabwidget.h

/* This file is part of the KDE project
   Copyright (C) 2001, The Karbon Developers
   Copyright (C) 2002, 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 _VGRADIENTTABWIDGET_H_
#define _VGRADIENTTABWIDGET_H_
 
#include <tqwidget.h>
#include <tqtabwidget.h>
#include <tqlistbox.h>
#include <koffice_export.h>
#include "vgradient.h"
 
class KComboBox;
class VGradientWidget;
class TDEListBox;
class KIntNumInput;
class TQPushButton;
class TQGroupBox;
class KarbonResourceServer;
 
 
class VGradientListItem : public TQListBoxItem
{
public:
    VGradientListItem( const VGradient& gradient, TQString filename );
    VGradientListItem( const VGradientListItem& );
    ~VGradientListItem();
 
    TQPixmap& pixmap() { return m_pixmap; }
    const VGradient* gradient() const { return m_gradient; }
    TQString filename() { return m_filename; }
    bool canDelete() { return m_delete; }
 
    virtual int height( const TQListBox* ) const { return 16; }
    virtual int width( const TQListBox* lb ) const;
 
protected:
    virtual void paint( TQPainter* p );
 
private:
    VGradient   *m_gradient;
    TQPixmap        m_pixmap;
    TQString        m_filename;
    bool        m_delete;
}; // VGradientListItem
 
class VGradientPreview : public TQWidget
{
    public:
        VGradientPreview( VGradient& gradient, double& opacity, TQWidget* parent = 0L, const char* name = 0L );
        ~VGradientPreview();
 
        virtual void paintEvent( TQPaintEvent* );
        
    protected:
        VGradient*     m_gradient;
        double*         m_opacity;
}; // VGradientPreview
 
class KARBONBASE_EXPORT VGradientTabWidget : public TQTabWidget
{
    TQ_OBJECT
  
 
    public:
        enum VGradientTarget {
            STROKE,
            FILL
        };
    
        VGradientTabWidget( VGradient& gradient, KarbonResourceServer* server, TQWidget* parent = 0L, const char* name = 0L );
        ~VGradientTabWidget();
 
        const VGradient& gradient();
        void setGradient( VGradient& gradient );
 
        VGradientTarget target();
        void setTarget( VGradientTarget target );
 
        double opacity() const;
        void setOpacity( double opacity );
 
    public slots:
        void combosChange( int );
        void addGradientToPredefs();
        void changeToPredef( TQListBoxItem* );
        void predefSelected( TQListBoxItem* );
        void deletePredef();
        void opacityChanged( int );
 
    protected:
        void setupUI();
        void initUI();
        void setupConnections();
        
    private:
        TQGroupBox              *m_editGroup;
        VGradientWidget         *m_gradientWidget;
        KComboBox               *m_gradientTarget;
        KComboBox               *m_gradientRepeat;
        KComboBox               *m_gradientType;
        VGradientPreview        *m_gradientPreview;
        TDEListBox              *m_predefGradientsView;
        TQPushButton                *m_predefDelete;
        TQPushButton                *m_predefImport;
        TQPushButton                *m_addToPredefs;
        KIntNumInput            *m_opacity;
 
        VGradient             m_gradient;
        KarbonResourceServer* m_resourceServer;
        double                m_gradOpacity;
}; // VGradientTabWidget
 
#endif /* _VGRADIENTTABWIDGET_H_ */