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/***************************************************************************
* Copyright (C) 2008 by Peter Penz <peter.penz@gmx.at> *
* *
* 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 2 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 Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef SELECTIONTOGGLE_H
#define SELECTIONTOGGLE_H
#include <kurl.h>
#include <QAbstractButton>
#include <QPixmap>
class QTimeLine;
/**
* @brief Toggle button for changing the selection of an hovered item.
*
* The toggle button is visually invisible until it is displayed at least
* for one second.
*
* @see SelectionManager
*/
class SelectionToggle : public QAbstractButton
{
Q_OBJECT
public:
explicit SelectionToggle(QWidget* parent);
virtual ~SelectionToggle();
virtual QSize sizeHint() const;
/**
* Resets the selection toggle so that it is hidden and stays
* visually invisible for at least one second after it is shown again.
*/
void reset();
void setUrl(const KUrl& url);
KUrl url() const;
public slots:
virtual void setVisible(bool visible);
protected:
virtual bool eventFilter(QObject* obj, QEvent* event);
virtual void enterEvent(QEvent* event);
virtual void leaveEvent(QEvent* event);
virtual void mousePressEvent(QMouseEvent* event);
virtual void mouseReleaseEvent(QMouseEvent* event);
virtual void resizeEvent(QResizeEvent* event);
virtual void paintEvent(QPaintEvent* event);
private slots:
/**
* Sets the alpha value for the fading animation and is
* connected with m_fadingTimeLine.
*/
void setFadingValue(int value);
void setIconOverlay(bool checked);
void refreshIcon();
private:
void startFading();
void stopFading();
private:
bool m_isHovered;
bool m_leftMouseButtonPressed;
int m_fadingValue;
QPixmap m_icon;
QTimeLine* m_fadingTimeLine;
KUrl m_url;
};
#endif
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