F:/KPlato/koffice/libs/flake/KoCanvasBase.h

Aller à la documentation de ce fichier.

/* This file is part of the KDE project

   Copyright (C) 2006 Boudewijn Rempt <boud@valdyas.org>
   Copyright (C) 2006 Thomas Zander <zander@kde.org>
   Copyright (C) 2006 Thorsten Zachmann <zachmann@kde.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 KOCANVASBASE_H
#define KOCANVASBASE_H

#include <KoUnit.h>

#include <QPointF>
#include <QPoint>
#include <QRectF>
#include <QRect>
#include <QWidget>


class KoCanvasResourceProvider;
class KoSelection;
class KCommand;
class KoShapeManager;
class KoToolProxy;
class KoViewConverter;

class KoCanvasBase {

public:

    KoCanvasBase();
    virtual ~KoCanvasBase();

public:

    virtual void gridSize(double *horizontal, double *vertical) const = 0;

    virtual bool snapToGrid() const = 0;

    virtual void addCommand(KCommand *command, bool execute = true) = 0;

    virtual KoShapeManager *shapeManager() const = 0;

    virtual void updateCanvas(const QRectF& rc) = 0;

    virtual KoToolProxy * toolProxy() = 0;

    virtual KoViewConverter *viewConverter() = 0;

    virtual QWidget* canvasWidget() = 0;

    virtual KoUnit::Unit unit() = 0;

    virtual QPoint documentOrigin() { return QPoint(0,0); };

    KoCanvasResourceProvider * resourceProvider()
    {
        return m_resourceProvider;
    }

#if 0
/*  The next list of methods are naming taken from Krita, which means they have already been
    toughened by time.  So, if you ever need a method in this interface; please uncomment the
    respective one here for good naming conventions.  It will probably save you time in
    implementing some of the methods in the different KOffice apps as well ;)
*/


    virtual KoSelection * currentSelection() const 0;

    virtual qint32 horizontalScrollbarValue() const  0;

    virtual qint32 verticalScrollbarValue() const  0;
q
    virtual void scrollTo(qint32 x, qint32 y)  0;

    virtual void updateCanvas()  0;

    virtual void updateCanvas(qint32 x, qint32 y, qint32 w, qint32 h)  0;

    virtual void zoomIn()  0;

    virtual void zoomIn(qint32 x, qint32 y)  0;

    virtual void zoomOut()  0;


    virtual void zoomOut(qint32 x, qint32 y)  0;

    virtual void zoomAroundPoint(double x, double y, double zf)  0;

    virtual void zoomTo(qint32 x, qint32 y, qint32 w, qint32 h)  0;

    virtual void zoomTo(const QRect& r)  0;

    virtual void zoomTo(const QRectF& r)  0;

    virtual QPoint viewToWindow(const QPoint& pt)  0;
    virtual QPointF viewToWindow(const QPointF& pt)  0;
    virtual QRect viewToWindow(const QRect& rc)  0;
    virtual QRectF viewToWindow(const QRectF& rc)  0;
    virtual void viewToWindow(qint32 *x, qint32 *y)  0;

    virtual QPoint windowToView(const QPoint& pt)  0;
    virtual QPointF windowToView(const QPointF& pt)  0;
    virtual QRect windowToView(const QRect& rc)  0;
    virtual QRectF windowToView(const QRectF& rc)  0;
    virtual void windowToView(qint32 *x, qint32 *y)  0;

    virtual QCursor setCanvasCursor(const QCursor & cursor)  0;

    virtual void setInputDevice(KoInputDevice inputDevice)  0;

    virtual KoInputDevice currentInputDevice() const  0;
#endif

private:

    KoCanvasResourceProvider * m_resourceProvider;
};



#endif // KOCANVASBASE_H

---