plasma-framework/widgets/pushbutton.h

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/*
* Copyright 2007 by Siraj Razick <siraj@kde.org>
* Copyright 2007 by Matias Valdenegro <mvaldenegro@informatica.utem.cl>
* Copyright 2007 by Matt Broadstone <mbroadst@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* 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 Library 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 PUSHBUTTON_H
#define PUSHBUTTON_H
#include <QtCore/QObject>
#include <QtGui/QGraphicsTextItem>
#include <QtGui/QLayoutItem>
#include <KDE/KIcon>
#include <plasma/dataengine.h>
#include <plasma/widgets/widget.h>
#include <plasma/plasma_export.h>
class QStyleOptionButton;
namespace Plasma
{
/**
* Class that emulates a QPushButton inside Plasma
*
* @author Siraj Razick
* @author Matias Valdenegro
* @author Matt Broadstone
*
*
*/
class PLASMA_EXPORT PushButton : public Plasma::Widget
{
Q_OBJECT
Q_PROPERTY( QString text READ text WRITE setText )
Q_PROPERTY( QSizeF iconSize READ iconSize WRITE setIconSize )
Q_PROPERTY( KIcon icon READ icon WRITE setIcon )
Q_PROPERTY( bool flat READ isFlat WRITE setFlat )
public:
/**
* Creates a new Plasma::PushButton.
* @param parent the Widge this button is parented to.
*/
explicit PushButton(Widget *parent = 0);
/**
* Creates a new Plasma::PushButton with a text label.
* @param text the text to display next to the button.
* @param parent the QGraphicsItem this icon is parented to.
*/
explicit PushButton(const QString &text, Widget *parent = 0);
/**
* Creates a new Plasma::PushButton with an icon and text
* @param icon the icon to display with this button.
* @param text the text to display with this button.
* @param parent the QGraphicsItem this icon is parented to.
*/
explicit PushButton(const KIcon &icon, const QString &text, Widget *parent = 0);
/**
* Destroys this Plasma::PushButton.
*/
virtual ~PushButton();
/**
* @return text associated with this Plasma::PushButton
*/
QString text() const;
/**
* Sets the text to be displayed by this button.
* @param text the text to display
*/
void setText(const QString &text);
/**
* @return the icon displayed by this button.
*/
KIcon icon() const;
/**
* Sets the icon to be displayed by this Plasma::Icon.
* @param icon the KIcon to display.
*/
void setIcon(const KIcon &icon);
/**
* Convenience method to set the icon of this Plasma::PushButton
* based on the icon path, or name.
* @see KIconLoader
* @param path the path to, or name of the icon to display.
*/
Q_INVOKABLE void setIcon(const QString& path);
/**
* @return the size of the icon displayed by this Plasma::PushButton.
*/
QSizeF iconSize() const;
/**
* Sets the size of icon shown by this button.
* @param size size of the icon.
*/
void setIconSize(const QSizeF &size);
/**
* @return whether this button is currently in a down/pressed state.
*/
bool isDown() const;
/**
* @return whether this button is drawn flat.
*/
bool isFlat() const;
/**
* Sets whether the button is drawn flat.
* @param flat whether to draw it flat or not.
*/
void setFlat(bool flat);
// NOTE: bogus
QSizeF minimumSize() const;
Qt::Orientations expandingDirections() const;
QSizeF sizeHint() const;
Q_SIGNALS:
/**
* Triggered when the button has been clicked.
*/
void clicked();
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void paintWidget(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
private:
class Private ;
Private * const d;
};
} // namespace Plasma
#endif