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Diffstat (limited to 'src/quick/items/qquickflickable_p.h')
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1 files changed, 275 insertions, 0 deletions
diff --git a/src/quick/items/qquickflickable_p.h b/src/quick/items/qquickflickable_p.h new file mode 100644 index 0000000000..63ff72c598 --- /dev/null +++ b/src/quick/items/qquickflickable_p.h @@ -0,0 +1,275 @@ +// Commit: 1bcddaaf318fc37c71c5191913f3487c49444ec6 +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUICKFLICKABLE_P_H +#define QQUICKFLICKABLE_P_H + +#include "qquickitem.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QQuickFlickablePrivate; +class QQuickFlickableVisibleArea; +class Q_DECLARATIVE_EXPORT QQuickFlickable : public QQuickItem +{ + Q_OBJECT + + Q_PROPERTY(qreal contentWidth READ contentWidth WRITE setContentWidth NOTIFY contentWidthChanged) + Q_PROPERTY(qreal contentHeight READ contentHeight WRITE setContentHeight NOTIFY contentHeightChanged) + Q_PROPERTY(qreal contentX READ contentX WRITE setContentX NOTIFY contentXChanged) + Q_PROPERTY(qreal contentY READ contentY WRITE setContentY NOTIFY contentYChanged) + Q_PROPERTY(QQuickItem *contentItem READ contentItem CONSTANT) + + Q_PROPERTY(qreal topMargin READ topMargin WRITE setTopMargin NOTIFY topMarginChanged) + Q_PROPERTY(qreal bottomMargin READ bottomMargin WRITE setBottomMargin NOTIFY bottomMarginChanged) + Q_PROPERTY(qreal yOrigin READ yOrigin NOTIFY yOriginChanged) + + Q_PROPERTY(qreal leftMargin READ leftMargin WRITE setLeftMargin NOTIFY leftMarginChanged) + Q_PROPERTY(qreal rightMargin READ rightMargin WRITE setRightMargin NOTIFY rightMarginChanged) + Q_PROPERTY(qreal xOrigin READ xOrigin NOTIFY xOriginChanged) + + Q_PROPERTY(qreal horizontalVelocity READ horizontalVelocity NOTIFY horizontalVelocityChanged) + Q_PROPERTY(qreal verticalVelocity READ verticalVelocity NOTIFY verticalVelocityChanged) + + Q_PROPERTY(BoundsBehavior boundsBehavior READ boundsBehavior WRITE setBoundsBehavior NOTIFY boundsBehaviorChanged) + Q_PROPERTY(qreal maximumFlickVelocity READ maximumFlickVelocity WRITE setMaximumFlickVelocity NOTIFY maximumFlickVelocityChanged) + Q_PROPERTY(qreal flickDeceleration READ flickDeceleration WRITE setFlickDeceleration NOTIFY flickDecelerationChanged) + Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged) + Q_PROPERTY(bool movingHorizontally READ isMovingHorizontally NOTIFY movingHorizontallyChanged) + Q_PROPERTY(bool movingVertically READ isMovingVertically NOTIFY movingVerticallyChanged) + Q_PROPERTY(bool flicking READ isFlicking NOTIFY flickingChanged) + Q_PROPERTY(bool flickingHorizontally READ isFlickingHorizontally NOTIFY flickingHorizontallyChanged) + Q_PROPERTY(bool flickingVertically READ isFlickingVertically NOTIFY flickingVerticallyChanged) + Q_PROPERTY(bool dragging READ isDragging NOTIFY draggingChanged) + Q_PROPERTY(bool draggingHorizontally READ isDraggingHorizontally NOTIFY draggingHorizontallyChanged) + Q_PROPERTY(bool draggingVertically READ isDraggingVertically NOTIFY draggingVerticallyChanged) + Q_PROPERTY(FlickableDirection flickableDirection READ flickableDirection WRITE setFlickableDirection NOTIFY flickableDirectionChanged) + + Q_PROPERTY(bool interactive READ isInteractive WRITE setInteractive NOTIFY interactiveChanged) + Q_PROPERTY(int pressDelay READ pressDelay WRITE setPressDelay NOTIFY pressDelayChanged) + + Q_PROPERTY(bool atXEnd READ isAtXEnd NOTIFY isAtBoundaryChanged) + Q_PROPERTY(bool atYEnd READ isAtYEnd NOTIFY isAtBoundaryChanged) + Q_PROPERTY(bool atXBeginning READ isAtXBeginning NOTIFY isAtBoundaryChanged) + Q_PROPERTY(bool atYBeginning READ isAtYBeginning NOTIFY isAtBoundaryChanged) + + Q_PROPERTY(QQuickFlickableVisibleArea *visibleArea READ visibleArea CONSTANT) + + Q_PROPERTY(bool pixelAligned READ pixelAligned WRITE setPixelAligned NOTIFY pixelAlignedChanged) + + Q_PROPERTY(QDeclarativeListProperty<QObject> flickableData READ flickableData) + Q_PROPERTY(QDeclarativeListProperty<QQuickItem> flickableChildren READ flickableChildren) + Q_CLASSINFO("DefaultProperty", "flickableData") + + Q_ENUMS(FlickableDirection) + Q_ENUMS(BoundsBehavior) + +public: + QQuickFlickable(QQuickItem *parent=0); + ~QQuickFlickable(); + + QDeclarativeListProperty<QObject> flickableData(); + QDeclarativeListProperty<QQuickItem> flickableChildren(); + + enum BoundsBehavior { StopAtBounds, DragOverBounds, DragAndOvershootBounds }; + BoundsBehavior boundsBehavior() const; + void setBoundsBehavior(BoundsBehavior); + + qreal contentWidth() const; + void setContentWidth(qreal); + + qreal contentHeight() const; + void setContentHeight(qreal); + + qreal contentX() const; + virtual void setContentX(qreal pos); + + qreal contentY() const; + virtual void setContentY(qreal pos); + + qreal topMargin() const; + void setTopMargin(qreal m); + + qreal bottomMargin() const; + void setBottomMargin(qreal m); + + qreal leftMargin() const; + void setLeftMargin(qreal m); + + qreal rightMargin() const; + void setRightMargin(qreal m); + + virtual qreal yOrigin() const; + virtual qreal xOrigin() const; + + bool isMoving() const; + bool isMovingHorizontally() const; + bool isMovingVertically() const; + bool isFlicking() const; + bool isFlickingHorizontally() const; + bool isFlickingVertically() const; + bool isDragging() const; + bool isDraggingHorizontally() const; + bool isDraggingVertically() const; + + int pressDelay() const; + void setPressDelay(int delay); + + qreal maximumFlickVelocity() const; + void setMaximumFlickVelocity(qreal); + + qreal flickDeceleration() const; + void setFlickDeceleration(qreal); + + bool isInteractive() const; + void setInteractive(bool); + + qreal horizontalVelocity() const; + qreal verticalVelocity() const; + + bool isAtXEnd() const; + bool isAtXBeginning() const; + bool isAtYEnd() const; + bool isAtYBeginning() const; + + QQuickItem *contentItem(); + + enum FlickableDirection { AutoFlickDirection=0x00, HorizontalFlick=0x01, VerticalFlick=0x02, HorizontalAndVerticalFlick=0x03 }; + FlickableDirection flickableDirection() const; + void setFlickableDirection(FlickableDirection); + + bool pixelAligned() const; + void setPixelAligned(bool align); + + Q_INVOKABLE void resizeContent(qreal w, qreal h, QPointF center); + Q_INVOKABLE void returnToBounds(); + +Q_SIGNALS: + void contentWidthChanged(); + void contentHeightChanged(); + void contentXChanged(); + void contentYChanged(); + void topMarginChanged(); + void bottomMarginChanged(); + void leftMarginChanged(); + void rightMarginChanged(); + void yOriginChanged(); + void xOriginChanged(); + void movingChanged(); + void movingHorizontallyChanged(); + void movingVerticallyChanged(); + void flickingChanged(); + void flickingHorizontallyChanged(); + void flickingVerticallyChanged(); + void draggingChanged(); + void draggingHorizontallyChanged(); + void draggingVerticallyChanged(); + void horizontalVelocityChanged(); + void verticalVelocityChanged(); + void isAtBoundaryChanged(); + void flickableDirectionChanged(); + void interactiveChanged(); + void boundsBehaviorChanged(); + void maximumFlickVelocityChanged(); + void flickDecelerationChanged(); + void pressDelayChanged(); + void movementStarted(); + void movementEnded(); + void flickStarted(); + void flickEnded(); + void dragStarted(); + void dragEnded(); + void pixelAlignedChanged(); + +protected: + virtual bool childMouseEventFilter(QQuickItem *, QEvent *); + virtual void mousePressEvent(QMouseEvent *event); + virtual void mouseMoveEvent(QMouseEvent *event); + virtual void mouseReleaseEvent(QMouseEvent *event); + virtual void wheelEvent(QWheelEvent *event); + virtual void timerEvent(QTimerEvent *event); + + QQuickFlickableVisibleArea *visibleArea(); + +protected Q_SLOTS: + virtual void ticked(); + void movementStarting(); + void movementEnding(); + +protected: + void movementXEnding(); + void movementYEnding(); + virtual qreal minXExtent() const; + virtual qreal minYExtent() const; + virtual qreal maxXExtent() const; + virtual qreal maxYExtent() const; + qreal vWidth() const; + qreal vHeight() const; + virtual void componentComplete(); + virtual void viewportMoved(); + virtual void geometryChanged(const QRectF &newGeometry, + const QRectF &oldGeometry); + void mouseUngrabEvent(); + bool sendMouseEvent(QMouseEvent *event); + + bool xflick() const; + bool yflick() const; + void cancelFlick(); + +protected: + QQuickFlickable(QQuickFlickablePrivate &dd, QQuickItem *parent); + +private: + Q_DISABLE_COPY(QQuickFlickable) + Q_DECLARE_PRIVATE(QQuickFlickable) + friend class QQuickFlickableVisibleArea; +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickFlickable) + +QT_END_HEADER + +#endif // QQUICKFLICKABLE_P_H |