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<h1>Source: kpushbutton.h</h1>
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<pre>
/* This file is part of the KDE libraries
Copyright (C) 2000 Carsten Pfeiffer <pfeiffer@kde.org>
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef KPUSHBUTTON_H
#define KPUSHBUTTON_H
#include <qdragobject.h>
#include <qevent.h>
#include <qpoint.h>
#include <qpushbutton.h>
/**
* This is nothing but a QPushButton with drag-support. You have to call
* @ref setDragEnabled( true ) and override the virtual method
* @ref dragObject() to specify the QDragObject to be used.
*
* @short A QPushButton with drag-support
* @author Carsten Pfeiffer <pfeiffer@kde.org>
*/
class KPushButton : public QPushButton
{
Q_OBJECT
public:
/**
* Default constructor.
*/
KPushButton( QWidget *parent, const char *name=0 );
/**
* Constructor, that sets the button-text to @p text
*/
KPushButton( const QString &text, QWidget *parent, const char *name=0);
/**
* Constructor, that sets an icon and the button-text to @p text
*/
KPushButton( const QIconSet &icon, const QString &text,
QWidget *parent, const char *name=0 );
/**
* Destroys the button
*/
~KPushButton();
/**
* Enables/disables drag-support. Default is enabled.
*/
void setDragEnabled( bool enable );
/**
* @returns if drag support is enabled or not.
*/
bool isDragEnabled() const { return m_dragEnabled; }
protected:
/**
* Reimplement this and return the QDragObject that should be used
* for the drag.
* Default implementation returns 0L, so that no drag is initiated.
*/
virtual QDragObject * dragObject();
/**
* Reimplemented to add drag-support
*/
virtual void mousePressEvent( QMouseEvent * );
/**
* Reimplemented to add drag-support
*/
virtual void mouseMoveEvent( QMouseEvent * );
/**
* Starts a drag (dragCopy() by default) using @ref dragObject()
*/
virtual void startDrag();
private:
bool m_dragEnabled;
QPoint startPos;
private:
class KPushButtonPrivate;
KPushButtonPrivate *d;
};
#endif // KPUSHBUTTON_H
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