143 lines
3.3 KiB
C++
143 lines
3.3 KiB
C++
/*
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* Copyright (C) 2007 by Siraj Razick siraj@kde.org
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* and Matias Valdenegro <mvaldenegro@informatica.utem.cl>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PUSHBUTTON_H
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#define PUSHBUTTON_H
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#include <QtCore/QObject>
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#include <QtGui/QGraphicsTextItem>
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#include <QtGui/QLayoutItem>
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#include <plasma/dataengine.h>
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#include <plasma/widgets/widget.h>
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#include <plasma/plasma_export.h>
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namespace Plasma
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{
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/**
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* Class that emulates a QPushButton inside Plasma
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*
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* @author Siraj Razick and Matias Valdenegro.
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*
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*
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*/
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class PLASMA_EXPORT PushButton : public Plasma::Widget
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{
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Q_OBJECT
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public:
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enum ButtonShape
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{
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Rectangle = 0,
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Round,
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Custom
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};
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enum ButtonState
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{
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None,
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Hover,
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Pressed,
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Released
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};
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public:
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/**
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* Constructor.
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*/
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PushButton(Widget *parent = 0);
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/**
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* Virtual Destructor.
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*/
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virtual ~PushButton();
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/**
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* Returns the text of this Button.
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*/
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QString text() const;
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/**
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* Sets the text of this Button.
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*/
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void setText(const QString &text);
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/**
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* Sets the icon of this Button.
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* @param path Path to the icon file. TODO : WTF is path?
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*/
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void setIcon(const QString& path);
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/**
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* Paint function.
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*/
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virtual void paintWidget(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
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/**
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* Reimplemented from Plasma::Widget.
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*/
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virtual QSizeF sizeHint() const ;
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/**
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* Reimplemented from Plasma::Widget.
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*/
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virtual QSizeF minimumSize() const;
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/**
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* Reimplemented from Plasma::Widget.
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*/
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virtual QSizeF maximumSize() const ;
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/**
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* Buttons prefer to expand in Horizontal direction.
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*/
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virtual Qt::Orientations expandingDirections() const;
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/**
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* TODO: What does this function do?
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*/
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virtual bool isEmpty() const;
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Q_SIGNALS:
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/**
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* Triggers whatever this button is clicked.
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*/
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void clicked();
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public Q_SLOTS:
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void updated(const QString&, const DataEngine::Data &);
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protected:
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bool isDown();
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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private:
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class Private ;
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Private * const d;
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};
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} // namespace Plasma
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#endif
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