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Diffstat (limited to 'src/declarative/canvas/qsimplecanvasitem_p.h')
| -rw-r--r-- | src/declarative/canvas/qsimplecanvasitem_p.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/declarative/canvas/qsimplecanvasitem_p.h b/src/declarative/canvas/qsimplecanvasitem_p.h new file mode 100644 index 0000000..7f66be5 --- /dev/null +++ b/src/declarative/canvas/qsimplecanvasitem_p.h @@ -0,0 +1,242 @@ +/**************************************************************************** +** +** 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 QSIMPLECANVASITEM_P_H +#define QSIMPLECANVASITEM_P_H + +#include "private/qobject_p.h" +#include "qsimplecanvas.h" +#include "qsimplecanvasitem.h" +#include "qsimplecanvasfilter.h" + +#if defined(QFX_RENDER_OPENGL2) +#include <glbasicshaders.h> +#endif + +#include "qgraphicsitem.h" + + +QT_BEGIN_NAMESPACE +class QSimpleGraphicsItem : public QGraphicsItem +{ +public: + QSimpleGraphicsItem(QSimpleCanvasItem *); + virtual ~QSimpleGraphicsItem(); + + virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *); + virtual QRectF boundingRect() const; + + QTransform transform; +protected: + virtual void mousePressEvent(QGraphicsSceneMouseEvent *event); + virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); + virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); + virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event); + virtual bool sceneEvent(QEvent *); + virtual QVariant itemChange(GraphicsItemChange, const QVariant &); + virtual void keyPressEvent(QKeyEvent *event); + virtual void keyReleaseEvent(QKeyEvent *event); + virtual void focusInEvent(QFocusEvent *event); + +private: + friend class QSimpleCanvasItem; + QSimpleCanvasItem *owner; +}; + +class QSimpleCanvasItemData +{ +public: + QSimpleCanvasItemData(); + ~QSimpleCanvasItemData(); + + // 5 bits is all that's needed to store Qt::MouseButtons + int buttons:5; + QSimpleCanvasItem::Flip flip:2; + bool dirty:1; + bool transformValid:1; + + qreal x; + qreal y; + qreal z; + float visible; + + QSimpleCanvas::Matrix *transformUser; + QSimpleCanvas::Matrix transformActive; + + float activeOpacity; + +#if defined(QFX_RENDER_OPENGL) + QRectF lastPaintRect; +#else + QRect lastPaintRect; +#endif +}; + +class QSimpleCanvasFilter; +class QGraphicsQSimpleCanvasItem; +class QSimpleCanvasItemPrivate : public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QSimpleCanvasItem); +public: + QSimpleCanvasItemPrivate() + : parent(0), canvas(0), filter(0), clip(QSimpleCanvasItem::NoClip), + origin(QSimpleCanvasItem::TopLeft), options(QSimpleCanvasItem::NoOption), + focusable(false), wantsActiveFocusPanelPendingCanvas(false), + hasBeenActiveFocusPanel(false), + hasFocus(false), hasActiveFocus(false), needsZOrder(false), + widthValid(false), heightValid(false), width(0), height(0), scale(1), + graphicsItem(0), data_ptr(0) + { + } + + virtual ~QSimpleCanvasItemPrivate() {} + + QSimpleCanvasItem *parent; + QSimpleCanvas *canvas; + QList<QSimpleCanvasItem *> children; + + QSimpleCanvasFilter *filter; + + QSimpleCanvasItem::ClipType clip:3; + QSimpleCanvasItem::TransformOrigin origin:4; + int options:8; + bool focusable:1; + bool wantsActiveFocusPanelPendingCanvas:1; + bool hasBeenActiveFocusPanel:1; + bool hasFocus:1; + bool hasActiveFocus:1; + bool needsZOrder:1; + bool widthValid:1; + bool heightValid:1; + + void setFocus(bool f); + void setActiveFocus(bool f); + + qreal width; + qreal height; + qreal scale; + + QSimpleGraphicsItem *graphicsItem; + inline QSimpleCanvasItemData *data() const { + if(!data_ptr) data_ptr = new QSimpleCanvasItemData; + return data_ptr; + } + mutable QSimpleCanvasItemData *data_ptr; + + void gvRemoveMouseFilter(); + void gvAddMouseFilter(); + + void canvasChanged(QSimpleCanvas *newCanvas, QSimpleCanvas *oldCanvas); + + void freshenTransforms() const; + + QPointF adjustFrom(const QPointF &) const; + QRectF adjustFrom(const QRectF &) const; + QPointF adjustTo(const QPointF &) const; + QRectF adjustTo(const QRectF &) const; + + QPointF transformOrigin() const; + + void setParentInternal(QSimpleCanvasItem *); + void convertToGraphicsItem(QGraphicsItem * = 0); + +#if defined(QFX_RENDER_QPAINTER) + void paint(QPainter &); + void paintChild(QPainter &, QSimpleCanvasItem *); + QRect setupPainting(int version, const QRect &bounding); +#else + struct GLPaintParameters + { + QRect sceneRect; + QRectF boundingRect; + QRect clipRect; +#if defined(QFX_RENDER_OPENGL2) + uchar stencilValue; +#endif + float opacity; + bool forceParamRefresh; + }; +#if defined(QFX_RENDER_OPENGL2) + QRectF setupPainting(int version, const QRect &bounding); +#elif defined(QFX_RENDER_OPENGL1) + QRectF setupPainting(int version, const QRect &bounding, unsigned int *zero); +#endif + void setupChildState(QSimpleCanvasItem *); + + void paint(GLPaintParameters &, QSimpleCanvasFilter::Layer = QSimpleCanvasFilter::All); +#if defined(QFX_RENDER_OPENGL1) + void paintNoClip(GLPaintParameters &, QSimpleCanvasFilter::Layer = QSimpleCanvasFilter::All); +#endif + void paintChild(const GLPaintParameters &, QSimpleCanvasItem *); + void simplePaintChild(const GLPaintParameters &, QSimpleCanvasItem *); + + inline GLBasicShaders *basicShaders() const; + + QSimpleCanvas::Matrix localTransform() const; + +#endif + + void zOrderChildren(); + static int nextTransformVersion; + bool freshenNeeded() const; + void doFreshenTransforms() const; + + // Debugging + int dump(int); + enum FocusStateCheckData { NoCheckData = 0x00, + InActivePanel = 0x01, + InRealm = 0x02, + InActiveFocusedRealm = 0x04 + }; + Q_DECLARE_FLAGS(FocusStateCheckDatas, FocusStateCheckData); + enum FocusStateCheckRData { NoCheckRData = 0x00, + SeenFocus = 0x01, + SeenActiveFocus = 0x02 }; + Q_DECLARE_FLAGS(FocusStateCheckRDatas, FocusStateCheckRData); + bool checkFocusState(FocusStateCheckDatas, FocusStateCheckRDatas *); +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QSimpleCanvasItemPrivate::FocusStateCheckDatas); +Q_DECLARE_OPERATORS_FOR_FLAGS(QSimpleCanvasItemPrivate::FocusStateCheckRDatas); + +#endif // QSIMPLECANVASITEM_P_H + +QT_END_NAMESPACE |