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/***************************************************************************
* Copyright (C) 2005 by David Saxton *
* [email protected] *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#ifndef ITEMVIEW_H
#define ITEMVIEW_H
#include <view.h>
#include <qcanvas.h>
#include <qguardedptr.h>
class CVBEditor;
class ItemDocument;
class QTimer;
/**
@author David Saxton
*/
class ItemView : public View
{
Q_OBJECT
public:
ItemView( ItemDocument *itemDocument, ViewContainer *viewContainer, uint viewAreaId, const char *name = 0 );
~ItemView();
virtual bool canZoomIn() const;
virtual bool canZoomOut() const;
CVBEditor *cvbEditor() const { return m_CVBEditor; }
/**
* @returns The zoom level
*/
double zoomLevel() const { return m_zoomLevel; }
public slots:
void actualSize();
void zoomIn();
void zoomOut();
void scrollToMouse( const QPoint &pos );
virtual void updateStatus();
protected slots:
/**
* Called when the user changes the configuration.
*/
virtual void slotUpdateConfiguration();
void startUpdatingStatus();
void stopUpdatingStatus();
protected:
void updateZoomActions();
/**
* Attempts to create a new CNItem if one was dragged onto the canvas
*/
void dropEvent( QDropEvent* );
/**
* Reinherit to allow different types of items to be dragged in.
*/
virtual void dragEnterEvent( QDragEnterEvent* );
void contentsMousePressEvent( QMouseEvent *e );
void contentsMouseReleaseEvent( QMouseEvent *e );
void contentsMouseDoubleClickEvent( QMouseEvent *e );
void contentsMouseMoveEvent( QMouseEvent *e );
void contentsWheelEvent( QWheelEvent *e );
void enterEvent( QEvent * e );
void leaveEvent( QEvent * e );
QGuardedPtr<ItemDocument> p_itemDocument;
CVBEditor *m_CVBEditor;
double m_zoomLevel;
QTimer * m_pUpdateStatusTmr;
friend class CVBEditor;
};
/**
@author David Saxton
*/
class CVBEditor : public QCanvasView
{
Q_OBJECT
public:
CVBEditor( QCanvas *canvas, ItemView *itemView, const char *name );
void setPassEventsToView( bool pass ) { b_passEventsToView = pass; }
virtual void contentsMousePressEvent( QMouseEvent* e );
virtual void contentsMouseReleaseEvent( QMouseEvent* e );
virtual void contentsMouseDoubleClickEvent( QMouseEvent* e );
virtual void contentsMouseMoveEvent( QMouseEvent* e );
virtual void dragEnterEvent( QDragEnterEvent* e );
virtual void dropEvent( QDropEvent* e );
virtual void contentsWheelEvent( QWheelEvent *e );
virtual void enterEvent( QEvent * e );
virtual void leaveEvent( QEvent * e );
protected:
virtual void viewportResizeEvent( QResizeEvent * );
ItemView *p_itemView;
bool b_passEventsToView;
bool b_ignoreEvents;
};
#endif
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