Qt 4.8
Public Functions | Public Variables | List of all members
QDeclarativeFlipablePrivate Class Reference
Inheritance diagram for QDeclarativeFlipablePrivate:
QDeclarativeItemPrivate QGraphicsItemPrivate

Public Functions

 QDeclarativeFlipablePrivate ()
 
void setBackTransform ()
 
void updateSceneTransformFromParent ()
 
- Public Functions inherited from QDeclarativeItemPrivate
QDeclarativeStateGroup_states ()
 
void addItemChangeListener (QDeclarativeItemChangeListener *listener, ChangeTypes types)
 
AnchorLinesanchorLines () const
 
QDeclarativeAnchorsanchors ()
 
QDeclarativeAnchorLine baseline () const
 
QDeclarativeAnchorLine bottom () const
 
QPointF computeTransformOrigin () const
 
QDeclarativeListProperty< QObjectdata ()
 
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< QObjectresources ()
 
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< QDeclarativeStatestates ()
 
QDeclarativeAnchorLine top () const
 
virtual void transformChanged ()
 
QDeclarativeListProperty< QDeclarativeTransitiontransitions ()
 
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< QGraphicsObjectchildrenList ()
 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
 
QGraphicsItemCacheextraItemCache () 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)
 
QGraphicsItemCachemaybeExtraItemCache () 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< QGraphicsObjectback
 
QDeclarativeFlipable::Side current
 
QDeclarativeGuard< QGraphicsObjectfront
 
bool wantBackXFlipped
 
bool wantBackYFlipped
 
- Public Variables inherited from QDeclarativeItemPrivate
AnchorLines_anchorLines
 
QDeclarativeAnchors_anchors
 
QDeclarativeContents_contents
 
QDeclarativeStateGroup_stateGroup
 
QDeclarativeLayoutMirroringAttachedattachedLayoutDirection
 
QDeclarativeNullableValue< qrealbaselineOffset
 
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
 
QDeclarativeItemKeyFilterkeyHandler
 
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< ExtraStructextras
 
quint32 filtersDescendantEvents: 1
 
quint32 flags: 19
 
QGraphicsItemfocusProxy
 
QList< QGraphicsItem ** > focusProxyRefs
 
QGraphicsItemfocusScopeItem
 
quint32 fullUpdatePending: 1
 
quint32 geometryChanged: 1
 
QMap< Qt::GestureType, Qt::GestureFlags > gestureContext
 
int globalStackingOrder
 
QGraphicsEffectgraphicsEffect
 
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 *, QRectpaintedViewBoundingRects
 
quint32 paintedViewBoundingRectsNeedRepaint: 1
 
QGraphicsItem::PanelModality panelModality
 
QGraphicsItemparent
 
quint32 pendingPolish: 1
 
QPointF pos
 
QGraphicsItemq_ptr
 
QGraphicsScenescene
 
quint32 scenePosDescendants: 1
 
QTransform sceneTransform
 
quint32 sceneTransformTranslateOnly: 1
 
quint32 selected: 1
 
quint32 sendParentChangeNotification: 1
 
quint32 sequentialOrdering: 1
 
int siblingIndex
 
QGraphicsItemsubFocusItem
 
TransformDatatransformData
 
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 QObjectdata_at (QDeclarativeListProperty< QObject > *, int)
 
static void data_clear (QDeclarativeListProperty< QObject > *)
 
static int data_count (QDeclarativeListProperty< QObject > *)
 
static qint64 elapsed (QElapsedTimer &)
 
static QDeclarativeItemPrivateget (QDeclarativeItem *item)
 
static void parentProperty (QObject *o, void *rv, QDeclarativeNotifierEndpoint *e)
 
static void resources_append (QDeclarativeListProperty< QObject > *, QObject *)
 
static QObjectresources_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 QGraphicsTransformtransform_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 QGraphicsObjectchildren_at (QDeclarativeListProperty< QGraphicsObject > *list, int)
 
static void children_clear (QDeclarativeListProperty< QGraphicsObject > *list)
 
static int children_count (QDeclarativeListProperty< QGraphicsObject > *list)
 
static const QGraphicsItemPrivateget (const QGraphicsItem *item)
 
static QGraphicsItemPrivateget (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.

QDeclarativeGuard< QGraphicsObject > back
QDeclarativeFlipable::Side current
QDeclarativeGuard< QGraphicsObject > front

Functions

◆ setBackTransform()

void QDeclarativeFlipablePrivate::setBackTransform ( )

Definition at line 250 of file qdeclarativeflipable.cpp.

Referenced by QDeclarativeFlipablePrivate().

251 {
252  QTransform mat;
254  mat.translate(dBack->width()/2,dBack->height()/2);
255  if (dBack->width() && wantBackYFlipped)
256  mat.rotate(180, Qt::YAxis);
257  if (dBack->height() && wantBackXFlipped)
258  mat.rotate(180, Qt::XAxis);
259  mat.translate(-dBack->width()/2,-dBack->height()/2);
260  back->setTransform(mat);
261 }
void setTransform(const QTransform &matrix, bool combine=false)
Sets the item&#39;s current transformation matrix to matrix.
virtual qreal height() const
QTransform & translate(qreal dx, qreal dy)
Moves the coordinate system dx along the x axis and dy along the y axis, and returns a reference to t...
Definition: qtransform.cpp:417
QTransform & rotate(qreal a, Qt::Axis axis=Qt::ZAxis)
Rotates the coordinate system counterclockwise by the given angle about the specified axis and return...
Definition: qtransform.cpp:615
QDeclarativeGuard< QGraphicsObject > back
virtual qreal width() const
static const QGraphicsItemPrivate * get(const QGraphicsItem *item)
The QTransform class specifies 2D transformations of a coordinate system.
Definition: qtransform.h:65

◆ updateSceneTransformFromParent()

void QDeclarativeFlipablePrivate::updateSceneTransformFromParent ( )
virtual

Reimplemented from QGraphicsItemPrivate.

Definition at line 206 of file qdeclarativeflipable.cpp.

Referenced by QDeclarativeFlipablePrivate().

207 {
209 
211  QPointF p1(0, 0);
212  QPointF p2(1, 0);
213  QPointF p3(1, 1);
214 
215  QPointF scenep1 = sceneTransform.map(p1);
216  QPointF scenep2 = sceneTransform.map(p2);
217  QPointF scenep3 = sceneTransform.map(p3);
218  p1 = q->mapToParent(p1);
219  p2 = q->mapToParent(p2);
220  p3 = q->mapToParent(p3);
221 
222  qreal cross = (scenep1.x() - scenep2.x()) * (scenep3.y() - scenep2.y()) -
223  (scenep1.y() - scenep2.y()) * (scenep3.x() - scenep2.x());
224 
225  wantBackYFlipped = p1.x() >= p2.x();
226  wantBackXFlipped = p2.y() >= p3.y();
227 
229  if (cross > 0) {
230  newSide = QDeclarativeFlipable::Back;
231  } else {
232  newSide = QDeclarativeFlipable::Front;
233  }
234 
235  if (newSide != current) {
236  current = newSide;
239  if (front)
241  if (back)
243  emit q->sideChanged();
244  }
245 }
double qreal
Definition: qglobal.h:1193
virtual void updateSceneTransformFromParent()
The QPointF class defines a point in the plane using floating point precision.
Definition: qpoint.h:214
qreal x() const
Returns the x-coordinate of this point.
Definition: qpoint.h:282
#define Q_Q(Class)
Definition: qglobal.h:2483
#define emit
Definition: qobjectdefs.h:76
QPoint map(const QPoint &p) const
Creates and returns a QPoint object that is a copy of the given point, mapped into the coordinate sys...
QDeclarativeGuard< QGraphicsObject > back
QDeclarativeFlipable::Side current
qreal y() const
Returns the y-coordinate of this point.
Definition: qpoint.h:287
void setOpacity(qreal opacity)
Sets this item&#39;s local opacity, between 0.
QDeclarativeGuard< QGraphicsObject > front

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.


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