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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSIMPLECANVAS_P_H
#define QSIMPLECANVAS_P_H
#include "qsimplecanvas.h"
#include <qstack.h>
#include <qdatetime.h>
#if defined(QFX_RENDER_OPENGL)
#if defined(QFX_RENDER_OPENGL2)
#include "glbasicshaders.h"
#endif
#include <QGLWidget>
QT_BEGIN_NAMESPACE
class CanvasEGLWidget : public QGLWidget
{
public:
CanvasEGLWidget(QSimpleCanvas *parent, QSimpleCanvasPrivate *canvas)
:
QGLWidget(parent),
_canvas(canvas)
{
}
virtual void paintGL();
virtual void resizeGL(int,int);
virtual void resizeEvent(QResizeEvent *e);
virtual void initializeGL();
void updateGL();
void updateGL(const QRect &);
QRect map(const QRectF &) const;
private:
QRect _clip;
QSimpleCanvasPrivate *_canvas;
QSimpleCanvas::Matrix defaultTransform;
QSimpleCanvas::Matrix invDefaultTransform;
};
#endif
#include <QGraphicsView>
#include <QGraphicsScene>
struct QSimpleCanvasGraphicsView : public QGraphicsView
{
public:
QSimpleCanvasGraphicsView(QSimpleCanvasPrivate *parent);
~QSimpleCanvasGraphicsView();
protected:
virtual void paintEvent(QPaintEvent *);
virtual void focusInEvent(QFocusEvent *);
private:
QSimpleCanvasPrivate *canvas;
QGraphicsScene _scene;
};
class QGLFramebufferObject;
class QSimpleCanvasServer;
class QSimpleCanvasPrivate
{
public:
QSimpleCanvasPrivate(QSimpleCanvas *canvas)
: q(canvas), timer(0), root(0), lrpTime(0), canvasServer(0), focusItem(0),
lastFocusItem(0), lastMouseItem(0),
isSetup(false), view(0)
#if defined(QFX_RENDER_OPENGL)
,egl(q, this), basicShadersInstance(0)
#endif
{
}
QSimpleCanvas *q;
QSimpleCanvas::CanvasMode mode;
bool isSimpleCanvas() const { return mode == QSimpleCanvas::SimpleCanvas; }
bool isGraphicsView() const { return mode == QSimpleCanvas::GraphicsView; }
#if defined(QFX_RENDER_OPENGL)
QRectF oldDirty;
#else
QRect oldDirty;
#endif
QRegion resetDirty();
void paint(QPainter &p);
int timer;
QSimpleCanvasLayer *root;
QList<QSimpleCanvasItem *> dirtyItems;
int lrpTime;
QTime frameTimer;
QTime lrpTimer;
QSimpleCanvasServer *canvasServer;
QStack<QSimpleCanvasItem *> focusPanels;
QHash<QSimpleCanvasItem *, QSimpleCanvasItem *> focusPanelData;
QSimpleCanvasItem *focusItem;
QSimpleCanvasItem *lastFocusItem;
QRect dirtyItemClip() const;
void clearFocusPanel(QSimpleCanvasItem *);
void setActiveFocusPanel(QSimpleCanvasItem *, Qt::FocusReason focusReason = Qt::OtherFocusReason);
void switchToFocusPanel(QSimpleCanvasItem *, QSimpleCanvasItem *, Qt::FocusReason focusReason);
void setFocusItem(QSimpleCanvasItem *item, Qt::FocusReason focusReason,
bool overwrite = true);
void clearFocusItem(QSimpleCanvasItem *item);
void clearActiveFocusItem(QSimpleCanvasItem *, Qt::FocusReason focusReason);
void setActiveFocusItem(QSimpleCanvasItem *, Qt::FocusReason focusReason);
void installMouseFilter(QSimpleCanvasItem *);
void removeMouseFilter(QSimpleCanvasItem *);
QList<QSimpleCanvasItem *> mouseFilters;
bool filter(QMouseEvent *e);
bool deliverMousePress(QSimpleCanvasItem *, QMouseEvent *, bool = false);
QGraphicsSceneMouseEvent *mouseEventToSceneMouseEvent(QMouseEvent *, const QPoint &);
QSimpleCanvasItem *lastMouseItem;
void sendMouseEvent(QSimpleCanvasItem *, QGraphicsSceneMouseEvent *);
bool isSetup;
void init(QSimpleCanvas::CanvasMode mode);
QSimpleCanvasGraphicsView *view;
#if defined(QFX_RENDER_OPENGL)
CanvasEGLWidget egl;
GLBasicShaders *basicShaders() const
{
#if defined(QFX_RENDER_OPENGL2)
if (!basicShadersInstance)
basicShadersInstance = new GLBasicShaders;
return basicShadersInstance;
#else
return 0;
#endif
}
mutable GLBasicShaders *basicShadersInstance;
QList<QGLFramebufferObject *> frameBuffers;
QGLFramebufferObject *acquire(int, int);
void release(QGLFramebufferObject *);
void paintGL();
#endif
};
#endif
QT_END_NAMESPACE
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