#include <qdeclarativepathview_p_p.h>

Inheritance diagram for QDeclarativePathViewPrivate:

Public Types
enum	MovementDirection { Shortest, Negative, Positive }

enum	MovementReason { Other, SetIndex, Mouse }

Public Types inherited from QDeclarativeItemPrivate
enum	ChangeType { Geometry = 0x01, SiblingOrder = 0x02, Visibility = 0x04, Opacity = 0x08, Destroyed = 0x10 }

Public Types inherited from QGraphicsItemPrivate
enum	AncestorFlag { NoFlag = 0, AncestorHandlesChildEvents = 0x1, AncestorClipsChildren = 0x2, AncestorIgnoresTransformations = 0x4, AncestorFiltersChildEvents = 0x8 }

enum	Extra { ExtraToolTip, ExtraCursor, ExtraCacheData, ExtraMaxDeviceCoordCacheSize, ExtraBoundingRegionGranularity }

enum	InvalidateReason { OpacityChanged }

Public Functions
QDeclarativePathViewAttached *	attached (QDeclarativeItem *item)

int	calcCurrentIndex ()

void	clear ()

void	createHighlight ()

void	fixOffset ()

QDeclarativeItem *	getItem (int modelIndex)

void	handleMouseMoveEvent (QGraphicsSceneMouseEvent *event)

void	handleMousePressEvent (QGraphicsSceneMouseEvent *event)

void	handleMouseReleaseEvent (QGraphicsSceneMouseEvent *)

void	init ()

bool	isValid () const

void	itemGeometryChanged (QDeclarativeItem *item, const QRectF &newGeometry, const QRectF &oldGeometry)

QPointF	pointNear (const QPointF &point, qreal *nearPercent=0) const

qreal	positionOfIndex (qreal index) const

	QDeclarativePathViewPrivate ()

void	regenerate ()

void	releaseItem (QDeclarativeItem *item)

void	scheduleLayout ()

void	setAdjustedOffset (qreal offset)

void	setHighlightPosition (qreal pos)

void	setOffset (qreal offset)

void	snapToCurrent ()

void	updateCurrent ()

void	updateHighlight ()

void	updateItem (QDeclarativeItem *, qreal)

void	updateMappedRange ()

Public Functions inherited from QDeclarativeItemPrivate
QDeclarativeStateGroup *	_states ()

void	addItemChangeListener (QDeclarativeItemChangeListener *listener, ChangeTypes types)

AnchorLines *	anchorLines () const

QDeclarativeAnchors *	anchors ()

QDeclarativeAnchorLine	baseline () const

QDeclarativeAnchorLine	bottom () const

QPointF	computeTransformOrigin () const

QDeclarativeListProperty< QObject >	data ()

virtual void	focusChanged (bool)

virtual void	focusScopeItemChange (bool isSubFocusItem)
	Subclasses can reimplement this function to be notified when an item becomes a focusScopeItem (or is no longer a focusScopeItem). More...

qreal	height () const

QDeclarativeAnchorLine	horizontalCenter () const

virtual qreal	implicitHeight () const

virtual void	implicitHeightChanged ()

virtual qreal	implicitWidth () const

virtual void	implicitWidthChanged ()

void	init (QDeclarativeItem *parent)

bool	isMirrored () const

QDeclarativeAnchorLine	left () const

virtual void	mirrorChange ()

	QDeclarativeItemPrivate ()

void	removeItemChangeListener (QDeclarativeItemChangeListener *, ChangeTypes types)

void	resetHeight ()

void	resetWidth ()

void	resolveLayoutMirror ()

QDeclarativeListProperty< QObject >	resources ()

QDeclarativeAnchorLine	right () const

void	setHeight (qreal)

void	setImplicitLayoutMirror (bool mirror, bool inherit)

void	setLayoutMirror (bool mirror)

virtual void	setPosHelper (const QPointF &pos)
	Sets the position pos. More...

void	setState (const QString &)

void	setWidth (qreal)

virtual void	siblingOrderChange ()
	Subclasses can reimplement this function to be notified when its siblingIndex order is changed. More...

QString	state () const

QDeclarativeListProperty< QDeclarativeState >	states ()

QDeclarativeAnchorLine	top () const

virtual void	transformChanged ()

QDeclarativeListProperty< QDeclarativeTransition >	transitions ()

QDeclarativeAnchorLine	verticalCenter () const

qreal	width () const

Public Functions inherited from QGraphicsItemPrivate
void	addChild (QGraphicsItem *child)
	QGraphicsScenePrivate::registerTopLevelItem(). More...

void	appendGraphicsTransform (QGraphicsTransform *t)

qreal	calcEffectiveOpacity () const

void	childrenBoundingRectHelper (QTransform x, QRectF rect, QGraphicsItem *topMostEffectItem)
	Returns the bounding rect of this item's children (excluding itself). More...

bool	childrenClippedToShape () const

bool	childrenCombineOpacity () const

QDeclarativeListProperty< QGraphicsObject >	childrenList ()
	Returns a list of this item's children. More...

void	clearFocusHelper (bool giveFocusToParent)

void	clearSubFocus (QGraphicsItem rootItem=0, QGraphicsItem stopItem=0)

qreal	combineOpacityFromParent (qreal parentOpacity) const

void	combineTransformFromParent (QTransform x, const QTransform viewTransform=0) const
	Combines this item's position and transform onto transform. More...

void	combineTransformToParent (QTransform x, const QTransform viewTransform=0) const
	Combines this item's position and transform onto transform. More...

int	depth () const

bool	discardUpdateRequest (bool ignoreVisibleBit=false, bool ignoreDirtyBit=false, bool ignoreOpacity=false) const
	Returns true if we can discard an update request; otherwise false. More...

QRectF	effectiveBoundingRect (QGraphicsItem *topMostEffectItem=0) const
	Returns the effective bounding rect of the item. More...

QRectF	effectiveBoundingRect (const QRectF &rect) const
	Returns the effective bounding rect of the given item space rect. More...

qreal	effectiveOpacity () const

void	ensureSceneTransform ()

void	ensureSceneTransformRecursive (QGraphicsItem **topMostDirtyItem)

void	ensureSequentialSiblingIndex ()
	Ensures that the list of children is sorted by insertion order, and that the siblingIndexes are packed (no gaps), and start at 0. More...

void	ensureSortedChildren ()

QVariant	extra (Extra type) const

QGraphicsItemCache *	extraItemCache () const

QPointF	genericMapFromScene (const QPointF &pos, const QWidget *viewport) const
	Maps the point pos from scene to item coordinates. More...

bool	hasTranslateOnlySceneTransform ()

void	initStyleOption (QStyleOptionGraphicsItem *option, const QTransform &worldTransform, const QRegion &exposedRegion, bool allItems=false) const

virtual QVariant	inputMethodQueryHelper (Qt::InputMethodQuery query) const
	This helper function helped us add input method query support in Qt 4. More...

void	invalidateChildGraphicsEffectsRecursively (InvalidateReason reason)

void	invalidateChildrenSceneTransform ()

void	invalidateDepthRecursively ()

void	invalidateParentGraphicsEffectsRecursively ()

bool	isFullyTransparent () const

bool	isInvisible () const

bool	isOpacityNull () const

virtual bool	isProxyWidget () const

bool	itemIsUntransformable () const

void	markParentDirty (bool updateBoundingRect=false)

QGraphicsItemCache *	maybeExtraItemCache () const

void	prependGraphicsTransform (QGraphicsTransform *t)

	QGraphicsItemPrivate ()

void	remapItemPos (QEvent event, QGraphicsItem item)
	Maps any item pos properties of event to item's coordinate system. More...

void	removeChild (QGraphicsItem *child)
	QGraphicsScenePrivate::unregisterTopLevelItem(). More...

void	removeExtraItemCache ()

void	resetFocusProxy ()
	Sets the focusProxy pointer to 0 for all items that have this item as their focusProxy. More...

void	resolveDepth ()
	Resolves the stacking depth of this object and all its ancestors. More...

virtual void	resolveFont (uint inheritedMask)

virtual void	resolvePalette (uint inheritedMask)

QRectF	sceneEffectiveBoundingRect () const
	Returns the effective bounding rect of this item in scene coordinates, by combining sceneTransform() with boundingRect(), taking into account the effect that the item might have. More...

void	sendScenePosChange ()

void	setEnabledHelper (bool newEnabled, bool explicitly, bool update=true)
	Sets this item's visibility to newEnabled. More...

void	setExtra (Extra type, const QVariant &value)

void	setFocusHelper (Qt::FocusReason focusReason, bool climb, bool focusFromHide)

void	setIsMemberOfGroup (bool enabled)
	Propagates item group membership. More...

void	setParentItemHelper (QGraphicsItem parent, const QVariant newParentVariant, const QVariant *thisPointerVariant)
	Make sure not to trigger any pure virtual function calls (e. More...

void	setSubFocus (QGraphicsItem rootItem=0, QGraphicsItem stopItem=0)

void	setTransformHelper (const QTransform &transform)
	Sets the transform transform. More...

void	setVisibleHelper (bool newVisible, bool explicitly, bool update=true)
	Sets this item's visibility to newVisible. More...

virtual void	subFocusItemChange ()
	Subclasses can reimplement this function to be notified when subFocusItem changes. More...

QTransform	transformToParent () const

void	unsetExtra (Extra type)

void	updateAncestorFlag (QGraphicsItem::GraphicsItemFlag childFlag, AncestorFlag flag=NoFlag, bool enabled=false, bool root=true)
	Propagates the ancestor flag flag with value enabled to all this item's children. More...

void	updateAncestorFlags ()

void	updateChildWithGraphicsEffectFlagRecursively ()

void	updatePaintedViewBoundingRects (bool updateChildren)

virtual void	updateSceneTransformFromParent ()

virtual	~QGraphicsItemPrivate ()

Public Functions inherited from QDeclarativeItemChangeListener
virtual QDeclarativeAnchorsPrivate *	anchorPrivate ()

virtual void	itemDestroyed (QDeclarativeItem *)

virtual void	itemOpacityChanged (QDeclarativeItem *)

virtual void	itemSiblingOrderChanged (QDeclarativeItem *)

virtual void	itemVisibilityChanged (QDeclarativeItem *)

Static Public Functions
static void	fixOffsetCallback (void *)

Static Public Functions inherited from QDeclarativeItemPrivate
static void	data_append (QDeclarativeListProperty< QObject > , QObject )

static QObject *	data_at (QDeclarativeListProperty< QObject > *, int)

static void	data_clear (QDeclarativeListProperty< QObject > *)

static int	data_count (QDeclarativeListProperty< QObject > *)

static qint64	elapsed (QElapsedTimer &)

static QDeclarativeItemPrivate *	get (QDeclarativeItem *item)

static void	parentProperty (QObject o, void rv, QDeclarativeNotifierEndpoint *e)

static void	resources_append (QDeclarativeListProperty< QObject > , QObject )

static QObject *	resources_at (QDeclarativeListProperty< QObject > *, int)

static void	resources_clear (QDeclarativeListProperty< QObject > *)

static int	resources_count (QDeclarativeListProperty< QObject > *)

static qint64	restart (QElapsedTimer &)

static void	setConsistentTime (qint64 t)

static void	start (QElapsedTimer &)

static void	transform_append (QDeclarativeListProperty< QGraphicsTransform > list, QGraphicsTransform )

static QGraphicsTransform *	transform_at (QDeclarativeListProperty< QGraphicsTransform > *list, int)

static void	transform_clear (QDeclarativeListProperty< QGraphicsTransform > *list)

static int	transform_count (QDeclarativeListProperty< QGraphicsTransform > *list)

Static Public Functions inherited from QGraphicsItemPrivate
static void	children_append (QDeclarativeListProperty< QGraphicsObject > list, QGraphicsObject item)

static QGraphicsObject *	children_at (QDeclarativeListProperty< QGraphicsObject > *list, int)

static void	children_clear (QDeclarativeListProperty< QGraphicsObject > *list)

static int	children_count (QDeclarativeListProperty< QGraphicsObject > *list)

static const QGraphicsItemPrivate *	get (const QGraphicsItem *item)

static QGraphicsItemPrivate *	get (QGraphicsItem *item)

static bool	insertionOrder (QGraphicsItem a, QGraphicsItem b)

static bool	isOpacityNull (qreal opacity)

static bool	movableAncestorIsSelected (const QGraphicsItem *item)

Public Variables
QDeclarativeOpenMetaObjectType *	attType

bool	autoHighlight: 1

int	currentIndex

QDeclarativeGuard< QDeclarativeItem >	currentItem

qreal	currentItemOffset

qreal	deceleration

qreal	dragMargin

int	firstIndex

bool	flicking: 1

bool	haveHighlightRange: 1

QDeclarativeComponent *	highlightComponent

QDeclarativeItem *	highlightItem

int	highlightMoveDuration

qreal	highlightPosition

qreal	highlightRangeEnd

QDeclarativePathView::HighlightRangeMode	highlightRangeMode

qreal	highlightRangeStart

bool	highlightUp: 1

bool	interactive: 1

QList< QDeclarativeItem * >	itemCache

QList< QDeclarativeItem * >	items

qreal	lastDist

int	lastElapsed

QPointF	lastPos

QElapsedTimer	lastPosTime

bool	layoutScheduled: 1

qreal	mappedRange

QDeclarativeGuard< QDeclarativeVisualModel >	model

int	modelCount

QVariant	modelVariant

MovementDirection	moveDirection

QDeclarativeTimeLineValueProxy< QDeclarativePathViewPrivate >	moveHighlight

QDeclarativeTimeLineValueProxy< QDeclarativePathViewPrivate >	moveOffset

MovementReason	moveReason

bool	moving: 1

qreal	offset

qreal	offsetAdj

bool	ownModel: 1

QDeclarativePath *	path

int	pathItems

int	requestedIndex

qreal	startPc

QPointF	startPoint

bool	stealMouse: 1

QDeclarativeTimeLine	tl

Public Variables inherited from QDeclarativeItemPrivate
AnchorLines *	_anchorLines

QDeclarativeAnchors *	_anchors

QDeclarativeContents *	_contents

QDeclarativeStateGroup *	_stateGroup

QDeclarativeLayoutMirroringAttached *	attachedLayoutDirection

QDeclarativeNullableValue< qreal >	baselineOffset

QPODVector< ChangeListener, 4 >	changeListeners

bool	componentComplete:1

bool	doneEventPreHandler: 1

bool	effectiveLayoutMirror:1

bool	hadActiveFocus:1

bool	hadFocus:1

bool	heightValid:1

bool	inheritedLayoutMirror:1

bool	inheritMirrorFromItem:1

bool	inheritMirrorFromParent:1

bool	isMirrorImplicit:1

bool	keepMouse:1

QDeclarativeItemKeyFilter *	keyHandler

qreal	mHeight

qreal	mImplicitHeight

qreal	mImplicitWidth

qreal	mWidth

QDeclarativeItem::TransformOrigin	origin:5

QDeclarativeNotifier	parentNotifier

bool	smooth:1

bool	transformOriginDirty: 1

bool	widthValid:1

Public Variables inherited from QGraphicsItemPrivate
quint32	acceptDrops: 1

quint32	acceptedMouseButtons: 5

quint32	acceptedTouchBeginEvent: 1

quint32	acceptsHover: 1

quint32	acceptTouchEvents: 1

quint32	allChildrenDirty: 1

quint32	ancestorFlags: 4

quint32	cacheMode: 2

QList< QGraphicsItem * >	children

QRectF	childrenBoundingRect

quint32	dirty: 1

quint32	dirtyChildren: 1

quint32	dirtyChildrenBoundingRect: 1

quint32	dirtySceneTransform: 1

quint32	enabled: 1

quint32	explicitActivate: 1

quint32	explicitlyDisabled: 1

quint32	explicitlyHidden: 1

QList< ExtraStruct >	extras

quint32	filtersDescendantEvents: 1

quint32	flags: 19

QGraphicsItem *	focusProxy

QList< QGraphicsItem ** >	focusProxyRefs

QGraphicsItem *	focusScopeItem

quint32	fullUpdatePending: 1

quint32	geometryChanged: 1

QMap< Qt::GestureType, Qt::GestureFlags >	gestureContext

int	globalStackingOrder

QGraphicsEffect *	graphicsEffect

quint32	handlesChildEvents: 1

quint32	hasBoundingRegionGranularity: 1

quint32	hasCursor: 1

quint32	holesInSiblingIndex: 1

quint32	ignoreOpacity: 1

quint32	ignoreVisible: 1

Qt::InputMethodHints	imHints

quint32	inDestructor: 1

int	index

quint32	inSetPosHelper: 1

quint32	isDeclarativeItem: 1

quint32	isMemberOfGroup: 1

quint32	isObject: 1

quint32	isWidget: 1

int	itemDepth

quint32	itemDiscovered: 1

quint32	localCollisionHack: 1

quint32	mayHaveChildWithGraphicsEffect: 1

quint32	mouseSetsFocus: 1

quint32	needSortChildren: 1

QRectF	needsRepaint

quint32	notifyBoundingRectChanged: 1

quint32	notifyInvalidated: 1

qreal	opacity

quint32	padding: 21

QMap< QWidget *, QRect >	paintedViewBoundingRects

quint32	paintedViewBoundingRectsNeedRepaint: 1

QGraphicsItem::PanelModality	panelModality

QGraphicsItem *	parent

quint32	pendingPolish: 1

QPointF	pos

QGraphicsItem *	q_ptr

QGraphicsScene *	scene

quint32	scenePosDescendants: 1

QTransform	sceneTransform

quint32	sceneTransformTranslateOnly: 1

quint32	selected: 1

quint32	sendParentChangeNotification: 1

quint32	sequentialOrdering: 1

int	siblingIndex

QGraphicsItem *	subFocusItem

TransformData *	transformData

quint32	updateDueToGraphicsEffect: 1

quint32	visible: 1

quint32	wantsActive: 1

qreal	z

Additional Inherited Members
Static Public Variables inherited from QDeclarativeItemPrivate
static qint64	consistentTime = -1

Detailed Description

Definition at line 71 of file qdeclarativepathview_p_p.h.

Enumerations

◆ MovementDirection

enum QDeclarativePathViewPrivate::MovementDirection

Enumerator
Shortest
Negative
Positive

Definition at line 176 of file qdeclarativepathview_p_p.h.

176 { Shortest, Negative, Positive };

QDeclarativePathViewPrivate::Negative

Definition: qdeclarativepathview_p_p.h:176

QDeclarativePathViewPrivate::Positive

Definition: qdeclarativepathview_p_p.h:176

QDeclarativePathViewPrivate::Shortest

Definition: qdeclarativepathview_p_p.h:176

◆ MovementReason

enum QDeclarativePathViewPrivate::MovementReason

Enumerator
Other
SetIndex
Mouse

Definition at line 174 of file qdeclarativepathview_p_p.h.

174 { Other, SetIndex, Mouse };

QDeclarativePathViewPrivate::Other

Definition: qdeclarativepathview_p_p.h:174

QDeclarativePathViewPrivate::SetIndex

Definition: qdeclarativepathview_p_p.h:174

QDeclarativePathViewPrivate::Mouse

Definition: qdeclarativepathview_p_p.h:174

Constructors and Destructors

◆ QDeclarativePathViewPrivate()

QDeclarativePathViewPrivate::QDeclarativePathViewPrivate ( )

inline

Definition at line 76 of file qdeclarativepathview_p_p.h.

       : path(0), currentIndex(0), currentItemOffset(0.0), startPc(0), lastDist(0)
         , lastElapsed(0), offset(0.0), offsetAdj(0.0), mappedRange(1.0)
         , stealMouse(false), ownModel(false), interactive(true), haveHighlightRange(true)
         , autoHighlight(true), highlightUp(false), layoutScheduled(false)
         , moving(false), flicking(false)
         , dragMargin(0), deceleration(100)
         , moveOffset(this, &QDeclarativePathViewPrivate::setAdjustedOffset)
         , firstIndex(-1), pathItems(-1), requestedIndex(-1)
         , moveReason(Other), moveDirection(Shortest), attType(0), highlightComponent(0), highlightItem(0)
         , moveHighlight(this, &QDeclarativePathViewPrivate::setHighlightPosition)
         , highlightPosition(0)
         , highlightRangeStart(0), highlightRangeEnd(0)
         , highlightRangeMode(QDeclarativePathView::StrictlyEnforceRange)
         , highlightMoveDuration(300), modelCount(0)
     {
     }

Functions

◆ attached()

QDeclarativePathViewAttached * QDeclarativePathViewPrivate::attached ( QDeclarativeItem * item )

Definition at line 153 of file qdeclarativepathview.cpp.

Referenced by itemGeometryChanged(), and scheduleLayout().

 {
     return static_cast<QDeclarativePathViewAttached *>(qmlAttachedPropertiesObject<QDeclarativePathView>(item, false));
 }

◆ calcCurrentIndex()

int QDeclarativePathViewPrivate::calcCurrentIndex ( )

Definition at line 1716 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     int current = 0;
     if (modelCount && model && items.count()) {
         offset = qmlMod(offset, modelCount);
         if (offset < 0)
             offset += modelCount;
         current = qRound(qAbs(qmlMod(modelCount - offset, modelCount)));
         current = current % modelCount;
     }
 
     return current;
 }

◆ clear()

void QDeclarativePathViewPrivate::clear ( )

Definition at line 158 of file qdeclarativepathview.cpp.

Referenced by scheduleLayout().

 {
     for (int i=0; i<items.count(); i++){
         QDeclarativeItem *p = items[i];
         releaseItem(p);
     }
     items.clear();
     tl.clear();
 }

◆ createHighlight()

void QDeclarativePathViewPrivate::createHighlight ( )

Definition at line 199 of file qdeclarativepathview.cpp.

Referenced by scheduleLayout().

 {
     Q_Q(QDeclarativePathView);
     if (!q->isComponentComplete())
         return;
 
     bool changed = false;
     if (highlightItem) {
         if (highlightItem->scene())
             highlightItem->scene()->removeItem(highlightItem);
         highlightItem->deleteLater();
         highlightItem = 0;
         changed = true;
     }
 
     QDeclarativeItem *item = 0;
     if (highlightComponent) {
         QDeclarativeContext *highlightContext = new QDeclarativeContext(qmlContext(q));
         QObject *nobj = highlightComponent->create(highlightContext);
         if (nobj) {
             QDeclarative_setParent_noEvent(highlightContext, nobj);
             item = qobject_cast<QDeclarativeItem *>(nobj);
             if (!item)
                 delete nobj;
         } else {
             delete highlightContext;
         }
     } else {
         item = new QDeclarativeItem;
     }
     if (item) {
         QDeclarative_setParent_noEvent(item, q);
         item->setParentItem(q);
         highlightItem = item;
         changed = true;
     }
     if (changed)
         emit q->highlightItemChanged();
 }

◆ fixOffset()

void QDeclarativePathViewPrivate::fixOffset ( )

Definition at line 1767 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     Q_Q(QDeclarativePathView);
     if (model && items.count()) {
         if (haveHighlightRange && highlightRangeMode == QDeclarativePathView::StrictlyEnforceRange) {
             int curr = calcCurrentIndex();
             if (curr != currentIndex)
                 q->setCurrentIndex(curr);
             else
                 snapToCurrent();
         }
     }
 }

◆ fixOffsetCallback()

void QDeclarativePathViewPrivate::fixOffsetCallback ( void * d )

static

Definition at line 1762 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     ((QDeclarativePathViewPrivate *)d)->fixOffset();
 }

◆ getItem()

QDeclarativeItem * QDeclarativePathViewPrivate::getItem ( int modelIndex )

Definition at line 113 of file qdeclarativepathview.cpp.

Referenced by scheduleLayout().

 {
     Q_Q(QDeclarativePathView);
     requestedIndex = modelIndex;
     QDeclarativeItem *item = model->item(modelIndex, false);
     if (item) {
         if (!attType) {
             // pre-create one metatype to share with all attached objects
             attType = new QDeclarativeOpenMetaObjectType(&QDeclarativePathViewAttached::staticMetaObject, qmlEngine(q));
             foreach(const QString &attr, path->attributes())
                 attType->createProperty(attr.toUtf8());
         }
         qPathViewAttachedType = attType;
         QDeclarativePathViewAttached *att = static_cast<QDeclarativePathViewAttached *>(qmlAttachedPropertiesObject<QDeclarativePathView>(item));
         qPathViewAttachedType = 0;
         if (att) {
             att->m_view = q;
             att->setOnPath(true);
         }
         item->setParentItem(q);
         QDeclarativeItemPrivate *itemPrivate = static_cast<QDeclarativeItemPrivate*>(QGraphicsItemPrivate::get(item));
         itemPrivate->addItemChangeListener(this, QDeclarativeItemPrivate::Geometry);
     }
     requestedIndex = -1;
     return item;
 }

◆ handleMouseMoveEvent()

void QDeclarativePathViewPrivate::handleMouseMoveEvent ( QGraphicsSceneMouseEvent * event )

Definition at line 1227 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     Q_Q(QDeclarativePathView);
     if (!interactive || !lastPosTime.isValid())
         return;
 
     qreal newPc;
     QPointF pathPoint = pointNear(event->pos(), &newPc);
     if (!stealMouse) {
         QPointF delta = pathPoint - startPoint;
         if (qAbs(delta.x()) > QApplication::startDragDistance() || qAbs(delta.y()) > QApplication::startDragDistance()) {
             stealMouse = true;
             startPc = newPc;
         }
     }
 
     if (stealMouse) {
         moveReason = QDeclarativePathViewPrivate::Mouse;
         qreal diff = (newPc - startPc)*modelCount*mappedRange;
         if (diff) {
             q->setOffset(offset + diff);
 
             if (diff > modelCount/2)
                 diff -= modelCount;
             else if (diff < -modelCount/2)
                 diff += modelCount;
 
             lastElapsed = QDeclarativeItemPrivate::restart(lastPosTime);
             lastDist = diff;
             startPc = newPc;
         }
         if (!moving) {
             moving = true;
             emit q->movingChanged();
             emit q->movementStarted();
         }
     }
 }

◆ handleMousePressEvent()

void QDeclarativePathViewPrivate::handleMousePressEvent ( QGraphicsSceneMouseEvent * event )

Definition at line 1180 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     Q_Q(QDeclarativePathView);
     if (!interactive || !items.count())
         return;
     QPointF scenePoint = q->mapToScene(event->pos());
     int idx = 0;
     for (; idx < items.count(); ++idx) {
         QRectF rect = items.at(idx)->boundingRect();
         rect = items.at(idx)->mapToScene(rect).boundingRect();
         if (rect.contains(scenePoint))
             break;
     }
     if (idx == items.count() && dragMargin == 0.)  // didn't click on an item
         return;
 
     startPoint = pointNear(event->pos(), &startPc);
     if (idx == items.count()) {
         qreal distance = qAbs(event->pos().x() - startPoint.x()) + qAbs(event->pos().y() - startPoint.y());
         if (distance > dragMargin)
             return;
     }
 
     if (tl.isActive() && flicking)
         stealMouse = true; // If we've been flicked then steal the click.
     else
         stealMouse = false;
 
     lastElapsed = 0;
     lastDist = 0;
     QDeclarativeItemPrivate::start(lastPosTime);
     tl.clear();
 }

◆ handleMouseReleaseEvent()

void QDeclarativePathViewPrivate::handleMouseReleaseEvent ( QGraphicsSceneMouseEvent * )

Definition at line 1278 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     Q_Q(QDeclarativePathView);
     stealMouse = false;
     q->setKeepMouseGrab(false);
     if (!interactive || !lastPosTime.isValid())
         return;
 
     qreal elapsed = qreal(lastElapsed + QDeclarativeItemPrivate::elapsed(lastPosTime)) / 1000.;
     qreal velocity = elapsed > 0. ? lastDist / elapsed : 0;
     if (model && modelCount && qAbs(velocity) > qreal(1.)) {
         qreal count = pathItems == -1 ? modelCount : pathItems;
         if (qAbs(velocity) > count * 2) // limit velocity
             velocity = (velocity > 0 ? count : -count) * 2;
         // Calculate the distance to be travelled
         qreal v2 = velocity*velocity;
         qreal accel = deceleration/10;
         // + 0.25 to encourage moving at least one item in the flick direction
         qreal dist = qMin(qreal(modelCount-1), qreal(v2 / (accel * qreal(2.0)) + qreal(0.25)));
         if (haveHighlightRange && highlightRangeMode == QDeclarativePathView::StrictlyEnforceRange) {
             // round to nearest item.
             if (velocity > 0.)
                 dist = qRound(dist + offset) - offset;
             else
                 dist = qRound(dist - offset) + offset;
             // Calculate accel required to stop on item boundary
             if (dist <= 0.) {
                 dist = qreal(0.);
                 accel = qreal(0.);
             } else {
                 accel = v2 / (2.0f * qAbs(dist));
             }
         }
         offsetAdj = qreal(0.0);
         moveOffset.setValue(offset);
         tl.accel(moveOffset, velocity, accel, dist);
         tl.callback(QDeclarativeTimeLineCallback(&moveOffset, fixOffsetCallback, this));
         if (!flicking) {
             flicking = true;
             emit q->flickingChanged();
             emit q->flickStarted();
         }
     } else {
         fixOffset();
     }
 
     lastPosTime.invalidate();
     if (!tl.isActive())
         q->movementEnding();
 }

◆ init()

void QDeclarativePathViewPrivate::init ( )

Definition at line 94 of file qdeclarativepathview.cpp.

Referenced by QDeclarativePathViewPrivate().

 {
     Q_Q(QDeclarativePathView);
     offset = 0;
     q->setAcceptedMouseButtons(Qt::LeftButton);
     q->setFlag(QGraphicsItem::ItemIsFocusScope);
     q->setFiltersChildEvents(true);
     q->connect(&tl, SIGNAL(updated()), q, SLOT(ticked()));
     lastPosTime.invalidate();
     static int timelineCompletedIdx = -1;
     static int movementEndingIdx = -1;
     if (timelineCompletedIdx == -1) {
         timelineCompletedIdx = QDeclarativeTimeLine::staticMetaObject.indexOfSignal("completed()");
         movementEndingIdx = QDeclarativePathView::staticMetaObject.indexOfSlot("movementEnding()");
     }
     QMetaObject::connect(&tl, timelineCompletedIdx,
                          q, movementEndingIdx, Qt::DirectConnection);
 }

◆ isValid()

bool QDeclarativePathViewPrivate::isValid ( ) const

inline

Definition at line 122 of file qdeclarativepathview_p_p.h.

                          {
         return model && model->count() > 0 && model->isValid() && path;
     }

◆ itemGeometryChanged()

void QDeclarativePathViewPrivate::itemGeometryChanged	(	QDeclarativeItem *	item,
		const QRectF &	newGeometry,
		const QRectF &	oldGeometry
	)

inlinevirtual

Reimplemented from QDeclarativeItemChangeListener.

Definition at line 96 of file qdeclarativepathview_p_p.h.

                                                                                                            {
         if ((newGeometry.size() != oldGeometry.size())
             && (!highlightItem || item != highlightItem)) {
             if (QDeclarativePathViewAttached *att = attached(item))
                 att->m_percent = -1;
             scheduleLayout();
         }
     }

◆ pointNear()

QPointF QDeclarativePathViewPrivate::pointNear	(	const QPointF &	point,
		qreal *	nearPercent = `0`
	)		const

Definition at line 1146 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     //XXX maybe do recursively at increasing resolution.
     qreal mindist = 1e10; // big number
     QPointF nearPoint = path->pointAt(0);
     qreal nearPc = 0;
     for (qreal i=1; i < 1000; i++) {
         QPointF pt = path->pointAt(i/1000.0);
         QPointF diff = pt - point;
         qreal dist = diff.x()*diff.x() + diff.y()*diff.y();
         if (dist < mindist) {
             nearPoint = pt;
             nearPc = i;
             mindist = dist;
         }
     }
 
     if (nearPercent)
         *nearPercent = nearPc / 1000.0;
 
     return nearPoint;
 }

◆ positionOfIndex()

qreal QDeclarativePathViewPrivate::positionOfIndex ( qreal index ) const

Definition at line 176 of file qdeclarativepathview.cpp.

Referenced by scheduleLayout().

 {
     qreal pos = -1.0;
 
     if (model && index >= 0 && index < modelCount) {
         qreal start = 0.0;
         if (haveHighlightRange && highlightRangeMode != QDeclarativePathView::NoHighlightRange)
             start = highlightRangeStart;
         qreal globalPos = index + offset;
         globalPos = qmlMod(globalPos, qreal(modelCount)) / modelCount;
         if (pathItems != -1 && pathItems < modelCount) {
             globalPos += start * mappedRange;
             globalPos = qmlMod(globalPos, 1.0);
             if (globalPos < mappedRange)
                 pos = globalPos / mappedRange;
         } else {
             pos = qmlMod(globalPos + start, 1.0);
         }
     }
 
     return pos;
 }

◆ regenerate()

void QDeclarativePathViewPrivate::regenerate ( )

Definition at line 333 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     Q_Q(QDeclarativePathView);
     if (!q->isComponentComplete())
         return;
 
     clear();
 
     if (!isValid())
         return;
 
     firstIndex = -1;
     updateMappedRange();
     q->refill();
 }

◆ releaseItem()

void QDeclarativePathViewPrivate::releaseItem ( QDeclarativeItem * item )

Definition at line 140 of file qdeclarativepathview.cpp.

Referenced by scheduleLayout().

 {
     if (!item || !model)
         return;
     QDeclarativeItemPrivate *itemPrivate = static_cast<QDeclarativeItemPrivate*>(QGraphicsItemPrivate::get(item));
     itemPrivate->removeItemChangeListener(this, QDeclarativeItemPrivate::Geometry);
     if (model->release(item) == 0) {
         // item was not destroyed, and we no longer reference it.
         if (QDeclarativePathViewAttached *att = attached(item))
             att->setOnPath(false);
     }
 }

◆ scheduleLayout()

void QDeclarativePathViewPrivate::scheduleLayout ( )

inline

Definition at line 105 of file qdeclarativepathview_p_p.h.

Referenced by itemGeometryChanged().

                           {
         Q_Q(QDeclarativePathView);
         if (!layoutScheduled) {
             layoutScheduled = true;
             QCoreApplication::postEvent(q, new QEvent(QEvent::User), Qt::HighEventPriority);
         }
     }

◆ setAdjustedOffset()

void QDeclarativePathViewPrivate::setAdjustedOffset ( qreal offset )

Definition at line 737 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     setOffset(o+offsetAdj);
 }

◆ setHighlightPosition()

void QDeclarativePathViewPrivate::setHighlightPosition ( qreal pos )

Definition at line 276 of file qdeclarativepathview.cpp.

Referenced by scheduleLayout().

 {
     if (pos != highlightPosition) {
         qreal start = 0.0;
         qreal end = 1.0;
         if (haveHighlightRange && highlightRangeMode != QDeclarativePathView::NoHighlightRange) {
             start = highlightRangeStart;
             end = highlightRangeEnd;
         }
 
         qreal range = qreal(modelCount);
         // calc normalized position of highlight relative to offset
         qreal relativeHighlight = qmlMod(pos + offset, range) / range;
 
         if (!highlightUp && relativeHighlight > end * mappedRange) {
             qreal diff = qreal(1.0) - relativeHighlight;
             setOffset(offset + diff * range);
         } else if (highlightUp && relativeHighlight >= (end - start) * mappedRange) {
             qreal diff = relativeHighlight - (end - start) * mappedRange;
             setOffset(offset - diff * range - qreal(0.00001));
         }
 
         highlightPosition = pos;
         qreal pathPos = positionOfIndex(pos);
         updateItem(highlightItem, pathPos);
         if (QDeclarativePathViewAttached *att = attached(highlightItem))
             att->setOnPath(pathPos != qreal(-1.0));
     }
 }

◆ setOffset()

void QDeclarativePathViewPrivate::setOffset ( qreal offset )

Definition at line 721 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     Q_Q(QDeclarativePathView);
     if (offset != o) {
         if (isValid() && q->isComponentComplete()) {
             offset = qmlMod(o, qreal(modelCount));
             if (offset < 0)
                 offset += qreal(modelCount);
             q->refill();
         } else {
             offset = o;
         }
         emit q->offsetChanged();
     }
 }

◆ snapToCurrent()

void QDeclarativePathViewPrivate::snapToCurrent ( )

Definition at line 1781 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     if (!model || modelCount <= 0)
         return;
 
     qreal targetOffset = qmlMod(modelCount - currentIndex, modelCount);
 
     moveReason = Other;
     offsetAdj = 0.0;
     tl.reset(moveOffset);
     moveOffset.setValue(offset);
 
     const int duration = highlightMoveDuration;
 
     if (moveDirection == Positive || (moveDirection == Shortest && targetOffset - offset > modelCount/2)) {
         qreal distance = modelCount - targetOffset + offset;
         if (targetOffset > moveOffset) {
             tl.move(moveOffset, 0.0, QEasingCurve(QEasingCurve::InQuad), int(duration * offset / distance));
             tl.set(moveOffset, modelCount);
             tl.move(moveOffset, targetOffset, QEasingCurve(offset == 0.0 ? QEasingCurve::InOutQuad : QEasingCurve::OutQuad), int(duration * (modelCount-targetOffset) / distance));
         } else {
             tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::InOutQuad), duration);
         }
     } else if (moveDirection == Negative || targetOffset - offset <= -modelCount/2) {
         qreal distance = modelCount - offset + targetOffset;
         if (targetOffset < moveOffset) {
             tl.move(moveOffset, modelCount, QEasingCurve(targetOffset == 0 ? QEasingCurve::InOutQuad : QEasingCurve::InQuad), int(duration * (modelCount-offset) / distance));
             tl.set(moveOffset, 0.0);
             tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::OutQuad), int(duration * targetOffset / distance));
         } else {
             tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::InOutQuad), duration);
         }
     } else {
         tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::InOutQuad), duration);
     }
     moveDirection = Shortest;
 }

◆ updateCurrent()

void QDeclarativePathViewPrivate::updateCurrent ( )

Definition at line 1730 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     Q_Q(QDeclarativePathView);
     if (moveReason != Mouse)
         return;
     if (!modelCount || !haveHighlightRange || highlightRangeMode != QDeclarativePathView::StrictlyEnforceRange)
         return;
 
     int idx = calcCurrentIndex();
     if (model && (idx != currentIndex || !currentItem)) {
         int itemIndex = (currentIndex - firstIndex + modelCount) % modelCount;
         if (itemIndex < items.count()) {
             if (QDeclarativeItem *item = items.at(itemIndex)) {
                 if (QDeclarativePathViewAttached *att = attached(item))
                     att->setIsCurrentItem(false);
             }
         }
         int oldCurrentIndex = currentIndex;
         currentIndex = idx;
         currentItem = 0;
         itemIndex = (idx - firstIndex + modelCount) % modelCount;
         if (itemIndex < items.count()) {
             currentItem = items.at(itemIndex);
             currentItem->setFocus(true);
             if (QDeclarativePathViewAttached *att = attached(currentItem))
                 att->setIsCurrentItem(true);
         }
         if (oldCurrentIndex != currentIndex)
             emit q->currentIndexChanged();
     }
 }

◆ updateHighlight()

void QDeclarativePathViewPrivate::updateHighlight ( )

Definition at line 239 of file qdeclarativepathview.cpp.

Referenced by scheduleLayout().

 {
     Q_Q(QDeclarativePathView);
     if (!q->isComponentComplete() || !isValid())
         return;
     if (highlightItem) {
         if (haveHighlightRange && highlightRangeMode == QDeclarativePathView::StrictlyEnforceRange) {
             updateItem(highlightItem, highlightRangeStart);
         } else {
             qreal target = currentIndex;
 
             offsetAdj = qreal(0.0);
             tl.reset(moveHighlight);
             moveHighlight.setValue(highlightPosition);
 
             const int duration = highlightMoveDuration;
 
             if (target - highlightPosition > modelCount/2) {
                 highlightUp = false;
                 qreal distance = modelCount - target + highlightPosition;
                 tl.move(moveHighlight, qreal(0.0), QEasingCurve(QEasingCurve::InQuad), int(duration * highlightPosition / distance));
                 tl.set(moveHighlight, modelCount-qreal(0.01));
                 tl.move(moveHighlight, target, QEasingCurve(QEasingCurve::OutQuad), int(duration * (modelCount-target) / distance));
             } else if (target - highlightPosition <= -modelCount/2) {
                 highlightUp = true;
                 qreal distance = modelCount - highlightPosition + target;
                 tl.move(moveHighlight, modelCount-qreal(0.01), QEasingCurve(QEasingCurve::InQuad), int(duration * (modelCount-highlightPosition) / distance));
                 tl.set(moveHighlight, qreal(0.0));
                 tl.move(moveHighlight, target, QEasingCurve(QEasingCurve::OutQuad), int(duration * target / distance));
             } else {
                 highlightUp = highlightPosition - target < 0;
                 tl.move(moveHighlight, target, QEasingCurve(QEasingCurve::InOutQuad), duration);
             }
         }
     }
 }

◆ updateItem()

void QDeclarativePathViewPrivate::updateItem	(	QDeclarativeItem *	item,
		qreal	percent
	)

Definition at line 319 of file qdeclarativepathview.cpp.

Referenced by isValid().

 {
     if (QDeclarativePathViewAttached *att = attached(item)) {
         if (qFuzzyCompare(att->m_percent, percent))
             return;
         att->m_percent = percent;
         foreach(const QString &attr, path->attributes())
             att->setValue(attr.toUtf8(), path->attributeAt(attr, percent));
     }
     QPointF pf = path->pointAt(percent);
     item->setX(qRound(pf.x() - item->width()/2));
     item->setY(qRound(pf.y() - item->height()/2));
 }

◆ updateMappedRange()

void QDeclarativePathViewPrivate::updateMappedRange ( )

Definition at line 168 of file qdeclarativepathview.cpp.

Referenced by scheduleLayout().

 {
     if (model && pathItems != -1 && pathItems < modelCount)
         mappedRange = qreal(pathItems)/modelCount;
     else
         mappedRange = 1.0;
 }