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Diffstat (limited to 'src/declarative/items/qsgmousearea_p.h')
| -rw-r--r-- | src/declarative/items/qsgmousearea_p.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/declarative/items/qsgmousearea_p.h b/src/declarative/items/qsgmousearea_p.h new file mode 100644 index 0000000000..469b9f7168 --- /dev/null +++ b/src/declarative/items/qsgmousearea_p.h @@ -0,0 +1,219 @@ +// Commit: c6e6a35aeb8794d68a3ca0c4e27a3a1181c066b5 +/**************************************************************************** +** +** Copyright (C) 2011 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 QSGMOUSEAREA_P_H +#define QSGMOUSEAREA_P_H + +#include "qsgitem.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class Q_AUTOTEST_EXPORT QSGDrag : public QObject +{ + Q_OBJECT + + Q_ENUMS(Axis) + Q_PROPERTY(QSGItem *target READ target WRITE setTarget NOTIFY targetChanged RESET resetTarget) + Q_PROPERTY(Axis axis READ axis WRITE setAxis NOTIFY axisChanged) + Q_PROPERTY(qreal minimumX READ xmin WRITE setXmin NOTIFY minimumXChanged) + Q_PROPERTY(qreal maximumX READ xmax WRITE setXmax NOTIFY maximumXChanged) + Q_PROPERTY(qreal minimumY READ ymin WRITE setYmin NOTIFY minimumYChanged) + Q_PROPERTY(qreal maximumY READ ymax WRITE setYmax NOTIFY maximumYChanged) + Q_PROPERTY(bool active READ active NOTIFY activeChanged) + Q_PROPERTY(bool filterChildren READ filterChildren WRITE setFilterChildren NOTIFY filterChildrenChanged) + //### consider drag and drop + +public: + QSGDrag(QObject *parent=0); + ~QSGDrag(); + + QSGItem *target() const; + void setTarget(QSGItem *); + void resetTarget(); + + 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); + + bool active() const; + void setActive(bool); + + bool filterChildren() const; + void setFilterChildren(bool); + +Q_SIGNALS: + void targetChanged(); + void axisChanged(); + void minimumXChanged(); + void maximumXChanged(); + void minimumYChanged(); + void maximumYChanged(); + void activeChanged(); + void filterChildrenChanged(); + +private: + QSGItem *_target; + Axis _axis; + qreal _xmin; + qreal _xmax; + qreal _ymin; + qreal _ymax; + bool _active : 1; + bool _filterChildren: 1; + Q_DISABLE_COPY(QSGDrag) +}; + +class QSGMouseEvent; +class QSGMouseAreaPrivate; +class Q_AUTOTEST_EXPORT QSGMouseArea : public QSGItem +{ + Q_OBJECT + + Q_PROPERTY(qreal mouseX READ mouseX NOTIFY mousePositionChanged) + Q_PROPERTY(qreal mouseY READ mouseY NOTIFY mousePositionChanged) + 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 hoverEnabled WRITE setHoverEnabled NOTIFY hoverEnabledChanged) + Q_PROPERTY(QSGDrag *drag READ drag CONSTANT) //### add flicking to QSGDrag or add a QDeclarativeFlick ??? + Q_PROPERTY(bool preventStealing READ preventStealing WRITE setPreventStealing NOTIFY preventStealingChanged) + Q_PROPERTY(QDeclarativeListProperty<QSGItem> forwardTo READ forwardTo); + +public: + QSGMouseArea(QSGItem *parent=0); + ~QSGMouseArea(); + + 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); + + bool hoverEnabled() const; + void setHoverEnabled(bool h); + + QSGDrag *drag(); + + bool preventStealing() const; + void setPreventStealing(bool prevent); + + QDeclarativeListProperty<QSGItem> forwardTo(); + +Q_SIGNALS: + void hoveredChanged(); + void pressedChanged(); + void enabledChanged(); + void acceptedButtonsChanged(); + void hoverEnabledChanged(); + void positionChanged(QSGMouseEvent *mouse); + void mousePositionChanged(QSGMouseEvent *mouse); + void preventStealingChanged(); + + void pressed(QSGMouseEvent *mouse); + void pressAndHold(QSGMouseEvent *mouse); + void released(QSGMouseEvent *mouse); + void clicked(QSGMouseEvent *mouse); + void doubleClicked(QSGMouseEvent *mouse); + void entered(); + void exited(); + void canceled(); + +protected: + void setHovered(bool); + bool setPressed(bool); + bool sendMouseEvent(QGraphicsSceneMouseEvent *event); + + virtual void mousePressEvent(QGraphicsSceneMouseEvent *event); + virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); + virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); + virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event); + virtual void mouseUngrabEvent(); + virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event); + virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event); + virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); + virtual bool childMouseEventFilter(QSGItem *i, QEvent *e); + virtual void timerEvent(QTimerEvent *event); + + virtual void geometryChanged(const QRectF &newGeometry, + const QRectF &oldGeometry); + virtual void itemChange(ItemChange change, const ItemChangeData& value); + +private: + void handlePress(); + void handleRelease(); + +private: + Q_DISABLE_COPY(QSGMouseArea) + Q_DECLARE_PRIVATE(QSGMouseArea) +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QSGDrag) +QML_DECLARE_TYPE(QSGMouseArea) + +QT_END_HEADER + +#endif // QSGMOUSEAREA_P_H |