DrawingView.h

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/***************************************************************************
 *   Copyright (c) 2007 Jürgen Riegel <juergen.riegel@web.de>              *
 *                                                                         *
 *   This file is Drawing of the FreeCAD CAx development system.           *
 *                                                                         *
 *   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 DrawingICULAR 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., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#ifndef DRAWINGGUI_DRAWINGVIEW_H
#define DRAWINGGUI_DRAWINGVIEW_H

#include <Gui/MDIView.h>
#include <QGraphicsView>

QT_BEGIN_NAMESPACE
class QSlider;
class QAction;
class QActionGroup;
class QFile;
class QPopupMenu;
class QToolBar;
class QSvgWidget;
class QScrollArea;
class QPrinter;
QT_END_NAMESPACE

namespace DrawingGui
{

class DrawingGuiExport SvgView : public QGraphicsView
{
    Q_OBJECT

public:
    enum RendererType { Native, OpenGL, Image };

    SvgView(QWidget *parent = 0);

    void openFile(const QFile &file);
    void setRenderer(RendererType type = Native);
    void drawBackground(QPainter *p, const QRectF &rect);

public Q_SLOTS:
    void setHighQualityAntialiasing(bool highQualityAntialiasing);
    void setViewBackground(bool enable);
    void setViewOutline(bool enable);

protected:
    void wheelEvent(QWheelEvent *event);
    void paintEvent(QPaintEvent *event);

private:
    RendererType m_renderer;

    QGraphicsItem *m_svgItem;
    QGraphicsRectItem *m_backgroundItem;
    QGraphicsRectItem *m_outlineItem;

    QImage m_image;
};

class DrawingGuiExport DrawingView : public Gui::MDIView
{
    Q_OBJECT

public:
    DrawingView(QWidget* parent = 0);

public Q_SLOTS:
    void load(const QString &path = QString());
    void setRenderer(QAction *action);
    void viewAll();

public:
    bool onMsg(const char* pMsg,const char** ppReturn);
    bool onHasMsg(const char* pMsg) const;
    void print();
    void printPdf();
    void printPreview();

protected Q_SLOTS:
    void print(QPrinter* printer);

protected:
    void contextMenuEvent(QContextMenuEvent *event);

private:
    QAction *m_nativeAction;
    QAction *m_glAction;
    QAction *m_imageAction;
    QAction *m_highQualityAntialiasingAction;
    QAction *m_backgroundAction;
    QAction *m_outlineAction;

    SvgView *m_view;

    QString m_currentPath;
};

} // namespace DrawingViewGui

#endif // DRAWINGGUI_DRAWINGVIEW_H