1 files changed, 101 insertions, 0 deletions
diff --git a/karbon/widgets/vcanvas.h b/karbon/widgets/vcanvas.h
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+/* This file is part of the KDE project
+   Copyright (C) 2001, 2002, 2003 The Karbon Developers
+
+   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 __VCANVAS_H__
+#define __VCANVAS_H__
+
+
+#include <qscrollview.h>
+#include <koffice_export.h>
+class KarbonPart;
+class KarbonView;
+class KoRect;
+class KoPoint;
+class VPainter;
+
+// The canvas is a QScrollView.
+
+class KARBONCOMMON_EXPORT VCanvas : public QScrollView
+{
+	Q_OBJECT
+public:
+	VCanvas( QWidget *parent, KarbonView* view, KarbonPart* part );
+	virtual ~VCanvas();
+
+	void repaintAll( const KoRect & );
+	void repaintAll( bool drawVObjects = true );
+
+	QPixmap *pixmap() { return m_pixmap; }
+
+	/**
+	 * Sets mouse position to point p.
+	 */
+	void setPos( const KoPoint& p );
+
+	KoPoint toViewport( const KoPoint & ) const;
+	KoPoint toContents( const KoPoint & ) const;
+	KoRect boundingBox() const;
+
+	/**
+	 * Adjusts the viewport top-left position. This doesn't change the zoom level.
+	 * Note that centerX and centerY is a value between 0.0 and 1.0, indicating a
+	 * percentage of the total width/height. Thus centerX/centerY indicates the
+	 * center of the viewport.
+	 */
+	void setViewport( double centerX, double centerY );
+
+	/**
+	 * Sets the canvas viewport rectangle to rect. The zoom level is adjusted for this, if
+	 * needed.
+	 */
+	void setViewportRect( const KoRect &rect );
+
+	int pageOffsetX() const;
+	int pageOffsetY() const;
+
+	KoPoint snapToGrid( const KoPoint & );
+
+protected:
+	virtual void dragEnterEvent( QDragEnterEvent * );
+	virtual void dropEvent( QDropEvent * );
+	virtual void focusInEvent( QFocusEvent * );
+	virtual void viewportPaintEvent( QPaintEvent* );
+	virtual void drawContents( QPainter* painter, int clipx, int clipy,
+		int clipw, int cliph  );
+	void drawDocument( QPainter* painter, const KoRect& rect, bool drawVObjects = true );
+
+	virtual void resizeEvent( QResizeEvent* event );
+
+	virtual bool eventFilter( QObject* object, QEvent* event );
+
+	void setYMirroring( VPainter * );
+
+private slots:
+	void slotContentsMoving( int , int );
+
+signals:
+	void viewportChanged();
+
+private:
+	QPixmap *m_pixmap;
+	KarbonPart* m_part;
+	KarbonView* m_view;
+};
+
+#endif