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/* This file is part of the KDE project
Copyright (C) 2006-2007 Thorsten Zachmann <zachmann@kde.org>
Copyright (C) 2010 Boudewijn Rempt <boud@valdyas.org>
This library 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 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KOPACANVASITEM_H
#define KOPACANVASITEM_H
#include <QGraphicsWidget>
#include <QList>
#include <KoPACanvasBase.h>
#include "kopageapp_export.h"
/// GraphicsWidget that shows a KoPAPage
class KOPAGEAPP_EXPORT KoPACanvasItem : public QGraphicsWidget, public KoPACanvasBase
{
Q_OBJECT
public:
explicit KoPACanvasItem( KoPADocument * doc );
void repaint();
void setCursor(const QCursor &cursor);
QWidget* canvasWidget() { return 0; }
const QWidget* canvasWidget() const { return 0; }
QGraphicsObject *canvasItem() { return this; }
const QGraphicsObject *canvasItem() const{ return this; }
/// reimplemented method
virtual void updateCanvas( const QRectF& rc );
/// reimplemented method
virtual void updateInputMethodInfo();
/// Recalculates the size of the canvas (needed when zooming or changing pagelayout)
void updateSize();
public Q_SLOTS:
void slotSetDocumentOffset(const QPoint &offset) { setDocumentOffset(offset); }
Q_SIGNALS:
void documentSize(const QSize &size);
/**
* Emitted when the entire controller size changes
* @param size the size in widget pixels.
*/
void sizeChanged( const QSize & size );
/// Emitted when updateCanvas has been called.
void canvasUpdated();
protected:
/// reimplemented method from superclass
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
/// reimplemented method from superclass
void mousePressEvent( QGraphicsSceneMouseEvent *event );
/// reimplemented method from superclass
void mouseDoubleClickEvent( QGraphicsSceneMouseEvent *event );
/// reimplemented method from superclass
void mouseMoveEvent( QGraphicsSceneMouseEvent *event );
/// reimplemented method from superclass
void mouseReleaseEvent( QGraphicsSceneMouseEvent *event );
/// reimplemented method from superclass
void keyPressEvent( QKeyEvent *event );
/// reimplemented method from superclass
void keyReleaseEvent( QKeyEvent *event );
/// reimplemented method from superclass
void wheelEvent ( QGraphicsSceneWheelEvent * event );
/// reimplemented method from superclass
void closeEvent( QCloseEvent * event );
/// reimplemented method from superclass
bool event( QEvent * event );
/// reimplemented method from superclass
virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
/// reimplemented method from superclass
virtual void inputMethodEvent(QInputMethodEvent *event);
/// reimplemented method from superclass
virtual void resizeEvent( QGraphicsSceneResizeEvent * event );
/**
* Shows the default context menu
* @param globalPos global position to show the menu at.
* @param actionList action list to be inserted into the menu
*/
void showContextMenu( const QPoint& globalPos, const QList<QAction*>& actionList );
};
#endif /* KOPACANVAS_H */
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