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+/***************************************************************************
+ * Copyright (C) 2005 by David Saxton *
+ * *
+ * 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