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Diffstat (limited to 'src/declarative/graphicsitems/qmlgraphicsmouseregion_p.h')
| -rw-r--r-- | src/declarative/graphicsitems/qmlgraphicsmouseregion_p.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qmlgraphicsmouseregion_p.h b/src/declarative/graphicsitems/qmlgraphicsmouseregion_p.h new file mode 100644 index 0000000..3403c75 --- /dev/null +++ b/src/declarative/graphicsitems/qmlgraphicsmouseregion_p.h @@ -0,0 +1,180 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QMLGRAPHICSMOUSEREGION_H +#define QMLGRAPHICSMOUSEREGION_H + +#include <QtDeclarative/qmlgraphicsitem.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class Q_DECLARATIVE_EXPORT QmlGraphicsDrag : public QObject +{ + Q_OBJECT + + Q_ENUMS(Axis) + Q_PROPERTY(QmlGraphicsItem *target READ target WRITE setTarget) + Q_PROPERTY(Axis axis READ axis WRITE setAxis) + Q_PROPERTY(qreal minimumX READ xmin WRITE setXmin) + Q_PROPERTY(qreal maximumX READ xmax WRITE setXmax) + Q_PROPERTY(qreal minimumY READ ymin WRITE setYmin) + Q_PROPERTY(qreal maximumY READ ymax WRITE setYmax) + //### consider drag and drop + +public: + QmlGraphicsDrag(QObject *parent=0); + ~QmlGraphicsDrag(); + + QmlGraphicsItem *target() const; + void setTarget(QmlGraphicsItem *); + + enum Axis { XAxis=0x01, YAxis=0x02, XandYAxis=0x03 }; + Axis axis() const; + void setAxis(Axis); + + qreal xmin() const; + void setXmin(qreal); + qreal xmax() const; + void setXmax(qreal); + qreal ymin() const; + void setYmin(qreal); + qreal ymax() const; + void setYmax(qreal); + +private: + QmlGraphicsItem *_target; + Axis _axis; + qreal _xmin; + qreal _xmax; + qreal _ymin; + qreal _ymax; + Q_DISABLE_COPY(QmlGraphicsDrag) +}; + +class QmlGraphicsMouseEvent; +class QmlGraphicsMouseRegionPrivate; +class Q_DECLARATIVE_EXPORT QmlGraphicsMouseRegion : public QmlGraphicsItem +{ + Q_OBJECT + + Q_PROPERTY(qreal mouseX READ mouseX NOTIFY positionChanged) + Q_PROPERTY(qreal mouseY READ mouseY NOTIFY positionChanged) + Q_PROPERTY(bool containsMouse READ hovered NOTIFY hoveredChanged) + Q_PROPERTY(bool pressed READ pressed NOTIFY pressedChanged) + Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged) + Q_PROPERTY(Qt::MouseButtons pressedButtons READ pressedButtons NOTIFY pressedChanged) + Q_PROPERTY(Qt::MouseButtons acceptedButtons READ acceptedButtons WRITE setAcceptedButtons NOTIFY acceptedButtonsChanged) + Q_PROPERTY(bool hoverEnabled READ acceptHoverEvents WRITE setAcceptHoverEvents) + Q_PROPERTY(QmlGraphicsDrag *drag READ drag) //### add flicking to QmlGraphicsDrag or add a QmlGraphicsFlick ??? + +public: + QmlGraphicsMouseRegion(QmlGraphicsItem *parent=0); + ~QmlGraphicsMouseRegion(); + + qreal mouseX() const; + qreal mouseY() const; + + bool isEnabled() const; + void setEnabled(bool); + + bool hovered() const; + bool pressed() const; + + Qt::MouseButtons pressedButtons() const; + + Qt::MouseButtons acceptedButtons() const; + void setAcceptedButtons(Qt::MouseButtons buttons); + + QmlGraphicsDrag *drag(); + +Q_SIGNALS: + void hoveredChanged(); + void pressedChanged(); + void enabledChanged(); + void acceptedButtonsChanged(); + void positionChanged(QmlGraphicsMouseEvent *mouse); + + void pressed(QmlGraphicsMouseEvent *mouse); + void pressAndHold(QmlGraphicsMouseEvent *mouse); + void released(QmlGraphicsMouseEvent *mouse); + void clicked(QmlGraphicsMouseEvent *mouse); + void doubleClicked(QmlGraphicsMouseEvent *mouse); + void entered(); + void exited(); + +protected: + void setHovered(bool); + bool setPressed(bool); + + void mousePressEvent(QGraphicsSceneMouseEvent *event); + void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); + void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); + void mouseMoveEvent(QGraphicsSceneMouseEvent *event); + void hoverEnterEvent(QGraphicsSceneHoverEvent *event); + void hoverMoveEvent(QGraphicsSceneHoverEvent *event); + void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); + bool sceneEvent(QEvent *); + void timerEvent(QTimerEvent *event); + +private: + void handlePress(); + void handleRelease(); + +protected: + QmlGraphicsMouseRegion(QmlGraphicsMouseRegionPrivate &dd, QmlGraphicsItem *parent); + +private: + Q_DISABLE_COPY(QmlGraphicsMouseRegion) + Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QmlGraphicsMouseRegion) +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QmlGraphicsDrag) +QML_DECLARE_TYPE(QmlGraphicsMouseRegion) + +QT_END_HEADER + +#endif // QMLGRAPHICSMOUSEREGION_H |