QDeclarativeFlipablePrivate Class Reference

Inheritance diagram for QDeclarativeFlipablePrivate:

Public Functions
	QDeclarativeFlipablePrivate ()
void	setBackTransform ()
void	updateSceneTransformFromParent ()
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	~QGraphicsItemPrivate ()

Public Variables
QDeclarativeGuard< QGraphicsObject >	back
QDeclarativeFlipable::Side	current
QDeclarativeGuard< QGraphicsObject >	front
bool	wantBackXFlipped
bool	wantBackYFlipped
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
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 }
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)
Static Public Variables inherited from QDeclarativeItemPrivate
static qint64	consistentTime = -1

Detailed Description

Definition at line 53 of file qdeclarativeflipable.cpp.

Constructors and Destructors

QDeclarativeFlipablePrivate()

QDeclarativeFlipablePrivate::QDeclarativeFlipablePrivate ( )

inline

Definition at line 57 of file qdeclarativeflipable.cpp.

: current(QDeclarativeFlipable::Front), front(0), back(0) {}

Functions

setBackTransform()

void QDeclarativeFlipablePrivate::setBackTransform

(

)

Definition at line 250 of file qdeclarativeflipable.cpp.

Referenced by QDeclarativeFlipablePrivate().

{
    QTransform mat;
    QGraphicsItemPrivate *dBack = QGraphicsItemPrivate::get(back);
    mat.translate(dBack->width()/2,dBack->height()/2);
    if (dBack->width() && wantBackYFlipped)
        mat.rotate(180, Qt::YAxis);
    if (dBack->height() && wantBackXFlipped)
        mat.rotate(180, Qt::XAxis);
    mat.translate(-dBack->width()/2,-dBack->height()/2);
    back->setTransform(mat);
}

updateSceneTransformFromParent()

void QDeclarativeFlipablePrivate::updateSceneTransformFromParent ( )

virtual

Reimplemented from QGraphicsItemPrivate.

Definition at line 206 of file qdeclarativeflipable.cpp.

Referenced by QDeclarativeFlipablePrivate().

{
    Q_Q(QDeclarativeFlipable);

    QDeclarativeItemPrivate::updateSceneTransformFromParent();
    QPointF p1(0, 0);
    QPointF p2(1, 0);
    QPointF p3(1, 1);

    QPointF scenep1 = sceneTransform.map(p1);
    QPointF scenep2 = sceneTransform.map(p2);
    QPointF scenep3 = sceneTransform.map(p3);
    p1 = q->mapToParent(p1);
    p2 = q->mapToParent(p2);
    p3 = q->mapToParent(p3);

    qreal cross = (scenep1.x() - scenep2.x()) * (scenep3.y() - scenep2.y()) -
                  (scenep1.y() - scenep2.y()) * (scenep3.x() - scenep2.x());

    wantBackYFlipped = p1.x() >= p2.x();
    wantBackXFlipped = p2.y() >= p3.y();

    QDeclarativeFlipable::Side newSide;
    if (cross > 0) {
        newSide = QDeclarativeFlipable::Back;
    } else {
        newSide = QDeclarativeFlipable::Front;
    }

    if (newSide != current) {
        current = newSide;
        if (current == QDeclarativeFlipable::Back && back)
            setBackTransform();
        if (front)
            front->setOpacity((current==QDeclarativeFlipable::Front)?qreal(1.):qreal(0.));
        if (back)
            back->setOpacity((current==QDeclarativeFlipable::Back)?qreal(1.):qreal(0.));
        emit q->sideChanged();
    }
}

Properties

back

QDeclarativeGuard<QGraphicsObject> QDeclarativeFlipablePrivate::back

Definition at line 64 of file qdeclarativeflipable.cpp.

current

QDeclarativeFlipable::Side QDeclarativeFlipablePrivate::current

Definition at line 62 of file qdeclarativeflipable.cpp.

front

QDeclarativeGuard<QGraphicsObject> QDeclarativeFlipablePrivate::front

Definition at line 63 of file qdeclarativeflipable.cpp.

wantBackXFlipped

bool QDeclarativeFlipablePrivate::wantBackXFlipped

Definition at line 66 of file qdeclarativeflipable.cpp.

wantBackYFlipped

bool QDeclarativeFlipablePrivate::wantBackYFlipped

Definition at line 67 of file qdeclarativeflipable.cpp.

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The documentation for this class was generated from the following file:

• /src/declarative/graphicsitems/qdeclarativeflipable.cpp