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103 lines
2.8 KiB
103 lines
2.8 KiB
/* This file is part of the KDE project
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Copyright (C) 2001, 2002, 2003 The Karbon Developers
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __VCANVAS_H__
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#define __VCANVAS_H__
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#include <tqscrollview.h>
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#include <koffice_export.h>
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class KarbonPart;
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class KarbonView;
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class KoRect;
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class KoPoint;
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class VPainter;
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// The canvas is a TQScrollView.
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class KARBONCOMMON_EXPORT VCanvas : public TQScrollView
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{
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TQ_OBJECT
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public:
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VCanvas( TQWidget *parent, KarbonView* view, KarbonPart* part );
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virtual ~VCanvas();
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void repaintAll( const KoRect & );
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void repaintAll( bool drawVObjects = true );
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TQPixmap *pixmap() { return m_pixmap; }
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/**
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* Sets mouse position to point p.
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*/
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void setPos( const KoPoint& p );
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KoPoint toViewport( const KoPoint & ) const;
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KoPoint toContents( const KoPoint & ) const;
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KoRect boundingBox() const;
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/**
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* Adjusts the viewport top-left position. This doesn't change the zoom level.
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* Note that centerX and centerY is a value between 0.0 and 1.0, indicating a
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* percentage of the total width/height. Thus centerX/centerY indicates the
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* center of the viewport.
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*/
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void setViewport( double centerX, double centerY );
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/**
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* Sets the canvas viewport rectangle to rect. The zoom level is adjusted for this, if
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* needed.
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*/
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void setViewportRect( const KoRect &rect );
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int pageOffsetX() const;
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int pageOffsetY() const;
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KoPoint snapToGrid( const KoPoint & );
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protected:
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virtual void dragEnterEvent( TQDragEnterEvent * );
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virtual void dropEvent( TQDropEvent * );
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virtual void focusInEvent( TQFocusEvent * );
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virtual void viewportPaintEvent( TQPaintEvent* );
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virtual void drawContents( TQPainter* painter, int clipx, int clipy,
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int clipw, int cliph );
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void drawDocument( TQPainter* painter, const KoRect& rect, bool drawVObjects = true );
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virtual void resizeEvent( TQResizeEvent* event );
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virtual bool eventFilter( TQObject* object, TQEvent* event );
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void setYMirroring( VPainter * );
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private slots:
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void slotContentsMoving( int , int );
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signals:
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void viewportChanged();
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private:
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TQPixmap *m_pixmap;
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KarbonPart* m_part;
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KarbonView* m_view;
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};
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#endif
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