plasma-framework/widgets/toolbutton.h
Marco Martin 291b11f8a2 -update geometry when the text changes
-return a good size hint based on svg margins

svn path=/trunk/KDE/kdelibs/; revision=1071052
2010-01-07 12:44:20 +00:00

191 lines
4.9 KiB
C++

/*
* Copyright 2008 Marco Martin <notmart@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 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_TOOLBUTTON_H
#define PLASMA_TOOLBUTTON_H
#include <QtGui/QGraphicsProxyWidget>
class QToolButton;
#include <plasma/plasma_export.h>
namespace Plasma
{
class ToolButtonPrivate;
/**
* @class ToolButton plasma/widgets/pushbutton.h <Plasma/Widgets/ToolButton>
*
* @short Provides a plasma-themed QToolButton.
*/
class PLASMA_EXPORT ToolButton : public QGraphicsProxyWidget
{
Q_OBJECT
Q_PROPERTY(QGraphicsWidget *parentWidget READ parentWidget)
Q_PROPERTY(QString text READ text WRITE setText)
Q_PROPERTY(bool autoRaise READ autoRaise WRITE setAutoRaise)
Q_PROPERTY(QString image READ image WRITE setImage)
Q_PROPERTY(QString stylesheet READ styleSheet WRITE setStyleSheet)
Q_PROPERTY(QToolButton *nativeWidget READ nativeWidget)
Q_PROPERTY(QAction *action READ action WRITE setAction)
public:
explicit ToolButton(QGraphicsWidget *parent = 0);
~ToolButton();
/**
* Sets if the toolbutton has an autoraise behaviour
*
* @arg raise
*/
void setAutoRaise(bool raise);
/**
* @return true if the toolbutton has an autoraise behaviour
*/
bool autoRaise() const;
/**
* Sets the display text for this ToolButton
*
* @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;
/**
* @return true if the button is pressed down
* @since 4.4
*/
bool isDown() const;
/**
* Sets the stylesheet used to control the visual display of this ToolButton
*
* @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 toolbutton
*
* @arg icon the icon we want to use
*
* @since 4.3
*/
void setIcon(const QIcon &icon);
/**
* @return the icon of this button
*
* @since 4.3
*/
QIcon icon() const;
/**
* @return the native widget wrapped by this ToolButton
*/
QToolButton *nativeWidget() const;
Q_SIGNALS:
void clicked();
/**
* @since 4.4
*/
void pressed();
/**
* @since 4.4
*/
void released();
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 syncToAction())
Q_PRIVATE_SLOT(d, void clearAction())
Q_PRIVATE_SLOT(d, void setPixmap())
friend class ToolButtonPrivate;
ToolButtonPrivate *const d;
};
} // namespace Plasma
#endif // multiple inclusion guard