plasma-framework/private/extender_p.h

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/*
* Copyright 2008 by Rob Scheepmaker <r.scheepmaker@student.utwente.nl>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef LIBS_PLASMA_EXTENDER_P_H
#define LIBS_PLASMA_EXTENDER_P_H
#include <QString>
#include <QList>
#include <QPointF>
#include "plasma/extenders/extender.h"
class QGraphicsGridLayout;
class QGraphicsLinearLayout;
class QGraphicsWidget;
namespace Plasma
{
class Applet;
class Extender;
class ExtenderGroup;
class ExtenderItem;
class Label;
class Svg;
class Spacer : public QGraphicsWidget
{
public:
Spacer(QGraphicsItem *parent);
~Spacer();
void setMargins(qreal left, qreal top, qreal right, qreal bottom);
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget * widget = 0);
private:
qreal m_left;
qreal m_top;
qreal m_right;
qreal m_bottom;
};
class ExtenderPrivate
{
public:
ExtenderPrivate(Applet *applet, Extender *q);
~ExtenderPrivate();
void addExtenderItem(ExtenderItem *item, const QPointF &pos = QPointF(-1, -1));
void extenderItemDestroyed(ExtenderItem *item);
void removeExtenderItem(ExtenderItem *item);
int insertIndexFromPos(const QPointF &pos) const;
void loadExtenderItems();
void updateBorders();
void delayItemAddedEvent();
void updateEmptyExtenderLabel();
ExtenderGroup *findGroup(const QString &name) const;
Extender *q;
QWeakPointer<Applet> applet;
QGraphicsLinearLayout *layout;
FrameSvg *background;
int currentSpacerIndex;
Spacer *spacerWidget;
QString emptyExtenderMessage;
Label *emptyExtenderLabel;
QList<ExtenderItem*> attachedExtenderItems;
Extender::Appearance appearance;
static QGraphicsGridLayout *s_popupLayout;
bool destroying;
QList<QPair<ExtenderItem *, QPointF> > pendingItems;
};
} // namespace Plasma
#endif // LIBS_PLASMA_EXTENDER_P_H