/usr/include/plasma/widgets/itembackground.h is in kdelibs5-dev 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 2009 by Alessandro Diaferia <alediaferia@gmail.com> *
* Copyright 2009 by 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 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 ITEMBACKGROUND_H
#define ITEMBACKGROUND_H
#include <QtGui/QGraphicsWidget>
#include <plasma/plasma_export.h>
/**
* @class ItemBackground plasma/widgets/itembackground.h
*
* @short a background for QGraphicsWidget based item views with animation effects
*
* @since 4.4
*/
namespace Plasma {
class FrameSvg;
class ItemBackgroundPrivate;
class PLASMA_EXPORT ItemBackground : public QGraphicsWidget
{
Q_OBJECT
Q_PROPERTY(QRectF target READ target WRITE setTarget)
Q_PROPERTY(QGraphicsItem* targetItem READ targetItem WRITE setTargetItem)
Q_PROPERTY(qreal animationUpdate READ animationUpdate WRITE setAnimationUpdate)
public:
ItemBackground(QGraphicsWidget *parent = 0);
~ItemBackground();
/**
* Sets a new target geometry we want at the end of animation
*
* @param newGeometry the final geometry target
*/
void setTarget(const QRectF &newGeometry);
/**
* @return the current target rect; may be empty if there is no target currently set
*/
QRectF target() const;
/**
* set the ItemBackground geometry to be the target geometry, plus the ItemBackground margins
*/
void setTargetItem(QGraphicsItem *target);
/**
* @return the target item, if any
*/
QGraphicsItem *targetItem() const;
/**
* @reimp from QGraphicsWidget
*/
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
Q_SIGNALS:
/**
* Emitted when the visual layout and appearance changes. Useful for synchronizing
* content margins.
*/
void appearanceChanged();
/**
* Emitted at each animation frame. Useful for synchronizing item animations
*/
void animationStep(qreal progress);
/**
* Emitted when the target has been reached. Useful to consider this instead of
* the corresponding hoverEnterEvent;
*/
void targetReached(QRectF);
/**
* Emitted when the target has been reached. Useful to consider this instead of
* the corresponding hoverEnterEvent;
*/
void targetItemReached(QGraphicsItem *);
protected:
/**
* @reimp from QGraphicsWidget
*/
QVariant itemChange(GraphicsItemChange change, const QVariant &value);
/**
* @reimp from QObject
*/
bool eventFilter(QObject *watched, QEvent *event);
/**
* @reimp from QGraphicsItem
*/
bool sceneEventFilter(QGraphicsItem *watched, QEvent *event);
/**
* @reimp from QGraphicsItem
*/
void resizeEvent(QGraphicsSceneResizeEvent *);
private:
void setAnimationUpdate(qreal progress);
qreal animationUpdate() const;
private:
Q_PRIVATE_SLOT(d, void targetDestroyed(QObject*))
Q_PRIVATE_SLOT(d, void frameSvgChanged())
Q_PRIVATE_SLOT(d, void refreshCurrentTarget())
friend class ItemBackgroundPrivate;
ItemBackgroundPrivate * const d;
};
}
#endif
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