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Diffstat (limited to 'src/declarative/canvas/qsimplecanvas_p.h')
| -rw-r--r-- | src/declarative/canvas/qsimplecanvas_p.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/declarative/canvas/qsimplecanvas_p.h b/src/declarative/canvas/qsimplecanvas_p.h new file mode 100644 index 0000000..4c8b41e --- /dev/null +++ b/src/declarative/canvas/qsimplecanvas_p.h @@ -0,0 +1,196 @@ +/**************************************************************************** +** +** 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 *); + QGraphicsSceneMouseEvent *mouseEventToSceneMouseEvent(QMouseEvent *, const QPoint &); + QSimpleCanvasItem *lastMouseItem; + + 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 |