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-rw-r--r--src/declarative/fx/qmlgraphicsflickable_p.h245
1 files changed, 146 insertions, 99 deletions
diff --git a/src/declarative/fx/qmlgraphicsflickable_p.h b/src/declarative/fx/qmlgraphicsflickable_p.h
index d9f917d..f7ef0088 100644
--- a/src/declarative/fx/qmlgraphicsflickable_p.h
+++ b/src/declarative/fx/qmlgraphicsflickable_p.h
@@ -39,118 +39,165 @@
**
****************************************************************************/
-#ifndef QMLGRAPHICSFLICKABLE_P_H
-#define QMLGRAPHICSFLICKABLE_P_H
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include "qdatetime.h"
-#include "qmlgraphicsflickable.h"
-#include "qmlgraphicsitem_p.h"
-#include "qml.h"
-#include "private/qmltimeline_p.h"
-#include "private/qmlanimation_p.h"
+#ifndef QMLGRAPHICSFLICKABLE_H
+#define QMLGRAPHICSFLICKABLE_H
+
+#include <QtDeclarative/qmlgraphicsitem.h>
+
+QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
+QT_MODULE(Declarative)
+
+class QmlGraphicsFlickablePrivate;
class QmlGraphicsFlickableVisibleArea;
-class QmlGraphicsFlickablePrivate : public QmlGraphicsItemPrivate
+class Q_DECLARATIVE_EXPORT QmlGraphicsFlickable : public QmlGraphicsItem
{
- Q_DECLARE_PUBLIC(QmlGraphicsFlickable)
+ Q_OBJECT
-public:
- QmlGraphicsFlickablePrivate();
- void init();
- virtual void flickX(qreal velocity);
- virtual void flickY(qreal velocity);
- virtual void fixupX();
- virtual void fixupY();
- void updateBeginningEnd();
+ Q_PROPERTY(qreal viewportWidth READ viewportWidth WRITE setViewportWidth NOTIFY viewportWidthChanged)
+ Q_PROPERTY(qreal viewportHeight READ viewportHeight WRITE setViewportHeight NOTIFY viewportHeightChanged)
+ Q_PROPERTY(qreal viewportX READ viewportX WRITE setViewportX NOTIFY positionXChanged)
+ Q_PROPERTY(qreal viewportY READ viewportY WRITE setViewportY NOTIFY positionYChanged)
+
+ Q_PROPERTY(qreal horizontalVelocity READ horizontalVelocity NOTIFY horizontalVelocityChanged)
+ Q_PROPERTY(qreal verticalVelocity READ verticalVelocity NOTIFY verticalVelocityChanged)
+ Q_PROPERTY(qreal reportedVelocitySmoothing READ reportedVelocitySmoothing WRITE setReportedVelocitySmoothing NOTIFY reportedVelocitySmoothingChanged)
+
+ Q_PROPERTY(bool overShoot READ overShoot WRITE setOverShoot)
+ Q_PROPERTY(qreal maximumFlickVelocity READ maximumFlickVelocity WRITE setMaximumFlickVelocity)
+ Q_PROPERTY(qreal flickDeceleration READ flickDeceleration WRITE setFlickDeceleration)
+ Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged)
+ Q_PROPERTY(bool flicking READ isFlicking NOTIFY flickingChanged)
+
+ Q_PROPERTY(bool interactive READ isInteractive WRITE setInteractive)
+ Q_PROPERTY(int pressDelay READ pressDelay WRITE setPressDelay)
+
+ 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(QmlGraphicsFlickableVisibleArea *visibleArea READ visibleArea CONSTANT)
- void captureDelayedPress(QGraphicsSceneMouseEvent *event);
- void clearDelayedPress();
+ Q_PROPERTY(QmlList<QObject *>* flickableData READ flickableData)
+ Q_PROPERTY(QmlList<QmlGraphicsItem *>* flickableChildren READ flickableChildren)
+ Q_CLASSINFO("DefaultProperty", "flickableData")
public:
- QmlGraphicsItem *viewport;
- QmlTimeLineValueProxy<QmlGraphicsItem> _moveX;
- QmlTimeLineValueProxy<QmlGraphicsItem> _moveY;
- QmlTimeLine timeline;
- qreal vWidth;
- qreal vHeight;
- bool overShoot : 1;
- bool flicked : 1;
- bool moving : 1;
- bool stealMouse : 1;
- bool pressed : 1;
- bool atXEnd : 1;
- bool atXBeginning : 1;
- bool atYEnd : 1;
- bool atYBeginning : 1;
- bool interactive : 1;
- QTime lastPosTime;
- QPointF lastPos;
- QPointF pressPos;
- qreal pressX;
- qreal pressY;
- qreal velocityX;
- qreal velocityY;
- QTime pressTime;
- QmlTimeLineEvent fixupXEvent;
- QmlTimeLineEvent fixupYEvent;
- qreal deceleration;
- qreal maxVelocity;
- QTime velocityTime;
- QPointF lastFlickablePosition;
- qreal reportedVelocitySmoothing;
- int flickTargetX;
- int flickTargetY;
- QGraphicsSceneMouseEvent *delayedPressEvent;
- QGraphicsItem *delayedPressTarget;
- QBasicTimer delayedPressTimer;
- int pressDelay;
-
- void updateVelocity();
- struct Velocity : public QmlTimeLineValue
- {
- Velocity(QmlGraphicsFlickablePrivate *p)
- : parent(p) {}
- virtual void setValue(qreal v) {
- QmlTimeLineValue::setValue(v);
- parent->updateVelocity();
- }
- QmlGraphicsFlickablePrivate *parent;
- };
- Velocity horizontalVelocity;
- Velocity verticalVelocity;
- int vTime;
- QmlTimeLine velocityTimeline;
- QmlGraphicsFlickableVisibleArea *visibleArea;
-
- void handleMousePressEvent(QGraphicsSceneMouseEvent *);
- void handleMouseMoveEvent(QGraphicsSceneMouseEvent *);
- void handleMouseReleaseEvent(QGraphicsSceneMouseEvent *);
-
- // flickableData property
- void data_removeAt(int);
- int data_count() const;
- void data_append(QObject *);
- void data_insert(int, QObject *);
- QObject *data_at(int) const;
- void data_clear();
+ QmlGraphicsFlickable(QmlGraphicsItem *parent=0);
+ ~QmlGraphicsFlickable();
+
+ QmlList<QObject *> *flickableData();
+ QmlList<QmlGraphicsItem *> *flickableChildren();
+
+ bool overShoot() const;
+ void setOverShoot(bool);
+
+ qreal viewportWidth() const;
+ void setViewportWidth(qreal);
+
+ qreal viewportHeight() const;
+ void setViewportHeight(qreal);
+
+ qreal viewportX() const;
+ void setViewportX(qreal pos);
+
+ qreal viewportY() const;
+ void setViewportY(qreal pos);
+
+ bool isMoving() const;
+ bool isFlicking() const;
+
+ int pressDelay() const;
+ void setPressDelay(int delay);
+ qreal reportedVelocitySmoothing() const;
+ void setReportedVelocitySmoothing(qreal);
+
+ 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;
+
+ QmlGraphicsItem *viewport();
+
+Q_SIGNALS:
+ void viewportWidthChanged();
+ void viewportHeightChanged();
+ void positionXChanged();
+ void positionYChanged();
+ void movingChanged();
+ void flickingChanged();
+ void movementStarted();
+ void movementEnded();
+ void flickStarted();
+ void flickEnded();
+ void reportedVelocitySmoothingChanged(int);
+ void horizontalVelocityChanged();
+ void verticalVelocityChanged();
+ void isAtBoundaryChanged();
+ void pageChanged();
+
+protected:
+ virtual bool sceneEventFilter(QGraphicsItem *, QEvent *);
+ void mousePressEvent(QGraphicsSceneMouseEvent *event);
+ void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+ void timerEvent(QTimerEvent *event);
+
+ qreal visibleX() const;
+ qreal visibleY() const;
+
+ QmlGraphicsFlickableVisibleArea *visibleArea();
+
+protected Q_SLOTS:
+ virtual void ticked();
+ void movementStarting();
+ void movementEnding();
+ void heightChange();
+ void widthChange();
+
+protected:
+ virtual qreal minXExtent() const;
+ virtual qreal minYExtent() const;
+ virtual qreal maxXExtent() const;
+ virtual qreal maxYExtent() const;
+ qreal vWidth() const;
+ qreal vHeight() const;
+ virtual void viewportMoved();
+ bool sendMouseEvent(QGraphicsSceneMouseEvent *event);
+
+ bool xflick() const;
+ bool yflick() const;
+ void cancelFlick();
+
+protected:
+ QmlGraphicsFlickable(QmlGraphicsFlickablePrivate &dd, QmlGraphicsItem *parent);
+
+private:
+ Q_DISABLE_COPY(QmlGraphicsFlickable)
+ Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QmlGraphicsFlickable)
friend class QmlGraphicsFlickableVisibleArea;
- QML_DECLARE_LIST_PROXY(QmlGraphicsFlickablePrivate, QObject *, data)
};
QT_END_NAMESPACE
+QML_DECLARE_TYPE(QmlGraphicsFlickable)
+
+QT_END_HEADER
+
#endif
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