/**************************************************************************** ** ** 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_H #define QSIMPLECANVASITEM_H #include #include #include #include #include class QPainter; QT_BEGIN_HEADER QT_BEGIN_NAMESPACE QT_MODULE(Declarative) class QRect; class QSimpleCanvas; class QMouseEvent; class QKeyEvent; class QSimpleCanvasItemPrivate; class QSimpleCanvasLayer; class QPointF; class QRectF; class QGraphicsSceneHoverEvent; class QSimpleCanvasFilter; class GLTexture; class QGLShaderProgram; class Q_DECLARATIVE_EXPORT QSimpleCanvasItem : public QObject { Q_OBJECT Q_CAST_INTERFACES(QGraphicsItem) Q_CAST_INTERFACES(QmlDebuggerStatus) Q_DECLARE_PRIVATE(QSimpleCanvasItem) Q_ENUMS(TransformOrigin) Q_PROPERTY(TransformOrigin transformOrigin READ transformOrigin WRITE setTransformOrigin); public: enum ClipType { NoClip = 0x00, ClipToHeight = 0x01, ClipToWidth = 0x02, ClipToRect = 0x03 }; enum Option { NoOption = 0x00000000, MouseFilter = 0x00000001, ChildMouseFilter = 0x00000002, HoverEvents = 0x00000004, MouseEvents = 0x00000008, HasContents = 0x00000010, SimpleItem = 0x00000020, IsFocusPanel = 0x00000040, IsFocusRealm = 0x00000080, AcceptsInputMethods = 0x00000100}; Q_DECLARE_FLAGS(Options, Option); QSimpleCanvasItem(QSimpleCanvasItem *parent=0); virtual ~QSimpleCanvasItem(); operator QGraphicsItem *(); operator QmlDebuggerStatus *(); bool clip() const; void setClip(bool); ClipType clipType() const; void setClipType(ClipType); Options options() const; void setOptions(Options, bool set = true); Qt::MouseButtons acceptedMouseButtons() const; void setAcceptedMouseButtons(Qt::MouseButtons buttons); qreal x() const; qreal y() const; qreal z() const; QPointF pos() const; void setX(qreal); void setY(qreal); virtual void setZ(qreal); void setPos(const QPointF &); qreal width() const; void setWidth(qreal); void setImplicitWidth(qreal); bool widthValid() const; qreal height() const; void setHeight(qreal); void setImplicitHeight(qreal); bool heightValid() const; QPointF scenePos() const; enum TransformOrigin { TopLeft, TopCenter, TopRight, MiddleLeft, Center, MiddleRight, BottomLeft, BottomCenter, BottomRight }; TransformOrigin transformOrigin() const; void setTransformOrigin(TransformOrigin); QPointF transformOriginPoint() const; qreal scale() const; virtual void setScale(qreal); enum Flip { NoFlip = 0, VerticalFlip = 0x01, HorizontalFlip = 0x02, VerticalAndHorizontalFlip = 0x03 }; Flip flip() const; void setFlip(Flip); qreal visible() const; virtual void setVisible(qreal); bool isVisible() const; QSimpleCanvas *canvas() const; QSimpleCanvasItem *parent() const; void setParent(QSimpleCanvasItem *); void stackUnder(QSimpleCanvasItem *); void stackOver(QSimpleCanvasItem *); void stackAt(int idx); int indexForChild(QSimpleCanvasItem *); QRect itemBoundingRect(); class GLPainter { public: GLPainter(QSimpleCanvasItem *i) : item(i), activeOpacity(1) {} QSimpleCanvasItem *item; QSimpleCanvas::Matrix activeTransform; qreal activeOpacity; QRect sceneClipRect; QGLShaderProgram *useTextureShader(); QGLShaderProgram *useColorShader(const QColor &); void drawImage(const QPointF &, const GLTexture &); void drawImage(const QRectF &, const GLTexture &); private: GLPainter(const GLPainter &); GLPainter &operator=(const GLPainter &); }; QRectF boundingRect() const; virtual void paintContents(QPainter &); virtual void paintGLContents(GLPainter &); virtual uint glSimpleItemData(float *vertices, float *texVertices, GLTexture **texture, uint count); void update(); virtual QSimpleCanvasLayer *layer(); bool hasChildren() const; const QList &children() const; QPointF mapFromScene(const QPointF &) const; QRectF mapFromScene(const QRectF &) const; QPointF mapToScene(const QPointF &) const; QRectF mapToScene(const QRectF &) const; QSimpleCanvas::Matrix transform() const; void setTransform(const QSimpleCanvas::Matrix &); QSimpleCanvasFilter *filter() const; void setFilter(QSimpleCanvasFilter *); QSimpleCanvasItem *mouseGrabberItem() const; void ungrabMouse(); void grabMouse(); virtual bool isFocusable() const; void setFocusable(bool); virtual bool hasFocus() const; void setFocus(bool); bool activeFocusPanel() const; void setActiveFocusPanel(bool); bool hasActiveFocus() const; QSimpleCanvasItem *findFirstFocusChild() const; QSimpleCanvasItem *findLastFocusChild() const; static QSimpleCanvasItem *findPrevFocus(QSimpleCanvasItem *item); static QSimpleCanvasItem *findNextFocus(QSimpleCanvasItem *item); GLBasicShaders *basicShaders() const; static QImage string(const QString &, const QColor & = Qt::black, const QFont & = QFont()); protected: virtual void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry); virtual void addChild(QSimpleCanvasItem *); virtual void remChild(QSimpleCanvasItem *); virtual void canvasChanged(); virtual void childrenChanged(); virtual void parentChanged(QSimpleCanvasItem *, QSimpleCanvasItem *); virtual void focusChanged(bool); virtual void activeFocusChanged(bool); virtual bool eventFilter(QObject *, QEvent *); public: // Events virtual bool mouseFilter(QGraphicsSceneMouseEvent *); virtual void mousePressEvent(QGraphicsSceneMouseEvent *event); virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *); virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *); virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event); virtual void mouseUngrabEvent(); virtual void keyPressEvent(QKeyEvent *event); virtual void keyReleaseEvent(QKeyEvent *event); virtual void focusOutEvent(QFocusEvent *e); virtual void focusInEvent(QFocusEvent *e); virtual void activePanelInEvent(); virtual void activePanelOutEvent(); virtual void inputMethodEvent(QInputMethodEvent* event); virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const; private: friend class QSimpleCanvas; friend class QSimpleCanvasPrivate; friend class QSimpleCanvasRootLayer; friend class QSimpleCanvasItem::GLPainter; friend class QSimpleCanvasFilter; friend class QGraphicsQSimpleCanvasItem; friend class QSimpleGraphicsItem; friend class CanvasEGLWidget; friend class QSimpleCanvasFilterPrivate; public: QSimpleCanvasItem(QSimpleCanvasItemPrivate &dd, QSimpleCanvasItem *parent); }; Q_DECLARE_OPERATORS_FOR_FLAGS(QSimpleCanvasItem::Options); class QSimpleCanvasLayer : public QSimpleCanvasItem { public: QSimpleCanvasLayer(QSimpleCanvasItem *parent); virtual void addChild(QSimpleCanvasItem *); virtual void addDirty(QSimpleCanvasItem *); virtual void remDirty(QSimpleCanvasItem *); virtual QSimpleCanvasLayer *layer(); private: friend class QSimpleCanvas; friend class QSimpleCanvasRootLayer; QSimpleCanvasLayer(); }; #endif // _GFXCANVASITEM_H_ QT_END_NAMESPACE QT_END_HEADER