plasma-framework/widgets/pushbutton.h
Marco Martin a1d1b12624 like toolbutton, base on the svg margins for the size hint
svn path=/trunk/KDE/kdelibs/; revision=1071054
2010-01-07 12:50:56 +00:00

234 lines
5.9 KiB
C++

/*
* Copyright 2008 Aaron Seigo <aseigo@kde.org>
*
* This program 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, 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 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 PLASMA_PUSHBUTTON_H
#define PLASMA_PUSHBUTTON_H
#include <QtGui/QGraphicsProxyWidget>
#include <kicon.h>
class KPushButton;
#include <plasma/plasma_export.h>
namespace Plasma
{
class PushButtonPrivate;
/**
* @class PushButton plasma/widgets/pushbutton.h <Plasma/Widgets/PushButton>
*
* @short Provides a plasma-themed KPushButton.
*/
class PLASMA_EXPORT PushButton : public QGraphicsProxyWidget
{
Q_OBJECT
Q_PROPERTY(QGraphicsWidget *parentWidget READ parentWidget)
Q_PROPERTY(QString text READ text WRITE setText)
Q_PROPERTY(QString image READ image WRITE setImage)
Q_PROPERTY(QString stylesheet READ styleSheet WRITE setStyleSheet)
Q_PROPERTY(KPushButton *nativeWidget READ nativeWidget)
Q_PROPERTY(QAction *action READ action WRITE setAction)
Q_PROPERTY(QIcon icon READ icon WRITE setIcon)
Q_PROPERTY(bool checkable READ isCheckable WRITE setCheckable)
Q_PROPERTY(bool checked READ isChecked WRITE setChecked)
Q_PROPERTY(bool down READ isDown)
public:
explicit PushButton(QGraphicsWidget *parent = 0);
~PushButton();
/**
* Sets the display text for this PushButton
*
* @arg text the text to display; should be translated.
*/
void setText(const QString &text);
/**
* @return the display text
*/
QString text() const;
/**
* Sets the path to an image to display.
*
* @arg path the path to the image; if a relative path, then a themed image will be loaded.
*/
void setImage(const QString &path);
/**
* Sets the path to an svg image to display and the id of the used svg element, if necessary.
*
* @arg path the path to the image; if a relative path, then a themed image will be loaded.
* @arg elementid the id of a svg element.
*
* @since 4.4
*/
void setImage(const QString &path, const QString &elementid);
/**
* @return the image path being displayed currently, or an empty string if none.
*/
QString image() const;
/**
* Sets the stylesheet used to control the visual display of this PushButton
*
* @arg stylesheet a CSS string
*/
void setStyleSheet(const QString &stylesheet);
/**
* @return the stylesheet currently used with this widget
*/
QString styleSheet();
/**
* Associate an action with this IconWidget
* this makes the button follow the state of the action, using its icon, text, etc.
* when the button is clicked, it will also trigger the action.
*
* @since 4.3
*/
void setAction(QAction *action);
/**
* @return the currently associated action, if any.
*
* @since 4.3
*/
QAction *action() const;
/**
* sets the icon for this push button
*
* @arg icon the icon to use
*
* @since 4.3
*/
void setIcon(const QIcon &icon);
/**
* sets the icon for this push button using a KIcon
*
* @arg icon the icon to use
*
* @since 4.4
*/
void setIcon(const KIcon &icon);
/**
* @return the icon of this button
*
* @since 4.3
*/
QIcon icon() const;
/**
* Sets whether or not this button can be toggled on/off
*
* @since 4.3
*/
void setCheckable(bool checkable);
/**
* @return true if the button is checkable
* @see setCheckable
* @since 4.4
*/
bool isCheckable() const;
/**
* Sets whether or not this button is checked. Implies setIsCheckable(true).
*
* @since 4.3
*/
void setChecked(bool checked);
/**
* @return true if the button is checked; requires setIsCheckable(true) to
* be called
*
* @since 4.3
*/
bool isChecked() const;
/**
* @return true if the button is pressed down
* @since 4.4
*/
bool isDown() const;
/**
* @return the native widget wrapped by this PushButton
*/
KPushButton *nativeWidget() const;
Q_SIGNALS:
/**
* Emitted when the button is pressed down; usually the clicked() signal
* will suffice, however.
* @since 4.4
*/
void pressed();
/**
* Emitted when the button is released; usually the clicked() signal
* will suffice, however.
* @since 4.4
*/
void released();
/**
* Emitted when the button is pressed then released, completing a click
*/
void clicked();
/**
* Emitted when the button changes state from up to down
*/
void toggled(bool);
protected:
void paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget = 0);
void resizeEvent(QGraphicsSceneResizeEvent *event);
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
void changeEvent(QEvent *event);
QSizeF sizeHint(Qt::SizeHint which, const QSizeF & constraint) const;
private:
Q_PRIVATE_SLOT(d, void syncBorders())
Q_PRIVATE_SLOT(d, void animationUpdate(qreal progress))
Q_PRIVATE_SLOT(d, void setPixmap())
friend class PushButtonPrivate;
PushButtonPrivate *const d;
};
} // namespace Plasma
#endif // multiple inclusion guard