Qt 4.8: QDeclarativeFlickablePrivate::AxisData Struct Reference

Qt 4.8

#include <qdeclarativeflickable_p_p.h>

Public Functions
void	addVelocitySample (qreal v, qreal maxVelocity)

	AxisData (QDeclarativeFlickablePrivate fp, void(QDeclarativeFlickablePrivate::func)(qreal))

void	reset ()

void	updateVelocity ()

Public Variables
bool	atBeginning: 1

bool	atEnd: 1

qreal	dragMaxBound

qreal	dragMinBound

qreal	dragStartOffset

bool	fixingUp: 1

bool	flicking: 1

qreal	flickTarget

bool	inOvershoot: 1

QDeclarativeTimeLineValueProxy< QDeclarativeFlickablePrivate >	move

bool	moving: 1

qreal	pressPos

QDeclarativeFlickablePrivate::Velocity	smoothVelocity

qreal	velocity

QPODVector< qreal, 10 >	velocityBuffer

qreal	viewSize

Detailed Description

Definition at line 99 of file qdeclarativeflickable_p_p.h.

Constructors and Destructors

◆ AxisData()

QDeclarativeFlickablePrivate::AxisData::AxisData	(	QDeclarativeFlickablePrivate *	fp,
		void(QDeclarativeFlickablePrivate::*)(qreal)	func
	)

inline

Definition at line 100 of file qdeclarativeflickable_p_p.h.

             : move(fp, func), viewSize(-1), smoothVelocity(fp), atEnd(false), atBeginning(true)
             , fixingUp(false), inOvershoot(false), moving(false), flicking(false)
         {}

Functions

◆ addVelocitySample()

void QDeclarativeFlickablePrivate::AxisData::addVelocitySample	(	qreal	v,
		qreal	maxVelocity
	)

Definition at line 220 of file qdeclarativeflickable.cpp.

 {
     if (v > maxVelocity)
         v = maxVelocity;
     else if (v < -maxVelocity)
         v = -maxVelocity;
     velocityBuffer.append(v);
     if (velocityBuffer.count() > QML_FLICK_SAMPLEBUFFER)
         velocityBuffer.remove(0);
 }

◆ reset()

void QDeclarativeFlickablePrivate::AxisData::reset ( )

inline

Definition at line 105 of file qdeclarativeflickable_p_p.h.

                      {
             velocityBuffer.clear();
             dragStartOffset = 0;
             fixingUp = false;
             inOvershoot = false;
         }

◆ updateVelocity()

void QDeclarativeFlickablePrivate::AxisData::updateVelocity ( )

Definition at line 231 of file qdeclarativeflickable.cpp.

 {
     velocity = 0;
     if (velocityBuffer.count() > QML_FLICK_DISCARDSAMPLES) {
         int count = velocityBuffer.count()-QML_FLICK_DISCARDSAMPLES;
         for (int i = 0; i < count; ++i) {
             qreal v = velocityBuffer.at(i);
             velocity += v;
         }
         velocity /= count;
     }
 }

Properties

◆ atBeginning

bool QDeclarativeFlickablePrivate::AxisData::atBeginning

Definition at line 126 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeFlickablePrivate::updateBeginningEnd().

◆ atEnd

bool QDeclarativeFlickablePrivate::AxisData::atEnd

Definition at line 125 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeFlickablePrivate::updateBeginningEnd().

◆ dragMaxBound

qreal QDeclarativeFlickablePrivate::AxisData::dragMaxBound

Definition at line 120 of file qdeclarativeflickable_p_p.h.

◆ dragMinBound

qreal QDeclarativeFlickablePrivate::AxisData::dragMinBound

Definition at line 119 of file qdeclarativeflickable_p_p.h.

◆ dragStartOffset

qreal QDeclarativeFlickablePrivate::AxisData::dragStartOffset

Definition at line 118 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeGridViewPrivate::fixup(), QDeclarativeListViewPrivate::fixup(), QDeclarativeGridViewPrivate::flick(), and QDeclarativeListViewPrivate::flick().

◆ fixingUp

bool QDeclarativeFlickablePrivate::AxisData::fixingUp

Definition at line 127 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeFlickablePrivate::fixup(), QDeclarativeGridViewPrivate::fixup(), QDeclarativeListViewPrivate::fixup(), QDeclarativeFlickablePrivate::flick(), QDeclarativeGridViewPrivate::flick(), and QDeclarativeListViewPrivate::flick().

◆ flicking

bool QDeclarativeFlickablePrivate::AxisData::flicking

Definition at line 130 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeFlickablePrivate::flick().

◆ flickTarget

qreal QDeclarativeFlickablePrivate::AxisData::flickTarget

Definition at line 122 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeFlickablePrivate::flick(), QDeclarativeGridViewPrivate::flick(), and QDeclarativeListViewPrivate::flick().

◆ inOvershoot

bool QDeclarativeFlickablePrivate::AxisData::inOvershoot

Definition at line 128 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeFlickablePrivate::fixup(), QDeclarativeGridViewPrivate::fixup(), and QDeclarativeListViewPrivate::fixup().

◆ move

QDeclarativeTimeLineValueProxy<QDeclarativeFlickablePrivate> QDeclarativeFlickablePrivate::AxisData::move

Definition at line 115 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeFlickablePrivate::fixup(), QDeclarativeGridViewPrivate::fixup(), QDeclarativeListViewPrivate::fixup(), QDeclarativeFlickablePrivate::flick(), QDeclarativeGridViewPrivate::flick(), QDeclarativeListViewPrivate::flick(), QDeclarativeFlickablePrivate::updateBeginningEnd(), and QDeclarativeFlickableVisibleArea::updateVisible().

◆ moving

bool QDeclarativeFlickablePrivate::AxisData::moving

Definition at line 129 of file qdeclarativeflickable_p_p.h.

◆ pressPos

qreal QDeclarativeFlickablePrivate::AxisData::pressPos

Definition at line 117 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeGridViewPrivate::fixup(), QDeclarativeListViewPrivate::fixup(), QDeclarativeGridViewPrivate::flick(), and QDeclarativeListViewPrivate::flick().

◆ smoothVelocity

QDeclarativeFlickablePrivate::Velocity QDeclarativeFlickablePrivate::AxisData::smoothVelocity

Definition at line 123 of file qdeclarativeflickable_p_p.h.

◆ velocity

qreal QDeclarativeFlickablePrivate::AxisData::velocity

Definition at line 121 of file qdeclarativeflickable_p_p.h.

Referenced by QDeclarativeGridViewPrivate::fixup(), and QDeclarativeListViewPrivate::fixup().

◆ velocityBuffer

QPODVector<qreal,10> QDeclarativeFlickablePrivate::AxisData::velocityBuffer

Definition at line 124 of file qdeclarativeflickable_p_p.h.

◆ viewSize

qreal QDeclarativeFlickablePrivate::AxisData::viewSize

Definition at line 116 of file qdeclarativeflickable_p_p.h.

The documentation for this struct was generated from the following files:

/src/declarative/graphicsitems/qdeclarativeflickable_p_p.h
/src/declarative/graphicsitems/qdeclarativeflickable.cpp