Qt
Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QAbstractSliderPrivate Class Reference

#include <qabstractslider_p.h>

Inheritance diagram for QAbstractSliderPrivate:
Collaboration diagram for QAbstractSliderPrivate:

Public Member Functions

 QAbstractSliderPrivate ()
 ~QAbstractSliderPrivate ()
void setSteps (int single, int page)
int effectiveSingleStep () const
void itemviewChangeSingleStep (int step)
virtual int bound (int val) const
int overflowSafeAdd (int add) const
void setAdjustedSliderPosition (int position)
bool scrollByDelta (Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta)
Public Member Functions inherited from QWidgetPrivate
 QWidgetPrivate (decltype(QObjectPrivateVersion)=QObjectPrivateVersion)
 ~QWidgetPrivate ()
QWExtra * extraData () const
QTLWExtra * topData () const
QTLWExtra * maybeTopData () const
QPainter * sharedPainter () const
void setSharedPainter (QPainter *painter)
QWidgetRepaintManager * maybeRepaintManager () const
QRhi * rhi () const
QWindow * windowHandle (WindowHandleMode mode=WindowHandleMode::Direct) const
QWindow * _q_closestWindowHandle () const
QScreen * associatedScreen () const
template<typename T>
void repaint (T t)
template<typename T>
void update (T t)
void init (QWidget *desktopWidget, Qt::WindowFlags f)
void create ()
void createRecursively ()
void createWinId ()
bool setScreenForPoint (const QPoint &pos)
bool setScreen (QScreen *screen)
void createTLExtra ()
void createExtra ()
void deleteExtra ()
void createSysExtra ()
void deleteSysExtra ()
void createTLSysExtra ()
void deleteTLSysExtra ()
void updateSystemBackground ()
void propagatePaletteChange ()
void setPalette_helper (const QPalette &)
void resolvePalette ()
QPalette naturalWidgetPalette (QPalette::ResolveMask inheritedMask) const
void setMask_sys (const QRegion &)
void raise_sys ()
void lower_sys ()
void stackUnder_sys (QWidget *)
QWidget * deepestFocusProxy () const
void setFocus_sys ()
void updateFocusChild ()
void updateFont (const QFont &)
void setFont_helper (const QFont &font)
QFont localFont () const
void resolveFont ()
QFont naturalWidgetFont (uint inheritedMask) const
void setLayoutDirection_helper (Qt::LayoutDirection)
void resolveLayoutDirection ()
void setLocale_helper (const QLocale &l, bool forceUpdate=false)
void resolveLocale ()
void setStyle_helper (QStyle *newStyle, bool propagate)
void inheritStyle ()
void setUpdatesEnabled_helper (bool)
bool updateBrushOrigin (QPainter *, const QBrush &brush) const
void paintBackground (QPainter *, const QRegion &, DrawWidgetFlags flags=DrawAsRoot) const
bool isAboutToShow () const
 The graphicsEffect function returns a pointer to the widget's graphics effect.
QRegion prepareToRender (const QRegion &region, QWidget::RenderFlags renderFlags)
void render_helper (QPainter *painter, const QPoint &targetOffset, const QRegion &sourceRegion, QWidget::RenderFlags renderFlags)
void render (QPaintDevice *target, const QPoint &targetOffset, const QRegion &sourceRegion, QWidget::RenderFlags renderFlags)
void drawWidget (QPaintDevice *pdev, const QRegion &rgn, const QPoint &offset, DrawWidgetFlags flags, QPainter *sharedPainter=nullptr, QWidgetRepaintManager *repaintManager=nullptr)
void sendPaintEvent (const QRegion &toBePainted)
void paintSiblingsRecursive (QPaintDevice *pdev, const QObjectList &children, int index, const QRegion &rgn, const QPoint &offset, DrawWidgetFlags flags, QPainter *sharedPainter, QWidgetRepaintManager *repaintManager)
bool shouldPaintOnScreen () const
void paintOnScreen (const QRegion &rgn)
QRect clipRect () const
QRegion clipRegion () const
void setSystemClip (QPaintEngine *paintEngine, qreal devicePixelRatio, const QRegion &region)
void subtractOpaqueChildren (QRegion &rgn, const QRect &clipRect) const
void subtractOpaqueSiblings (QRegion &source, bool *hasDirtySiblingsAbove=nullptr, bool alsoNonOpaque=false) const
void clipToEffectiveMask (QRegion &region) const
void updateIsOpaque ()
void setOpaque (bool opaque)
void updateIsTranslucent ()
const QRegion & getOpaqueChildren () const
void setDirtyOpaqueRegion ()
bool close ()
bool handleClose (CloseMode mode)
void setWindowIcon_helper ()
void setWindowIcon_sys ()
void setWindowOpacity_sys (qreal opacity)
void adjustQuitOnCloseAttribute ()
void scrollChildren (int dx, int dy)
void moveRect (const QRect &, int dx, int dy)
void scrollRect (const QRect &, int dx, int dy)
void invalidateBackingStore_resizeHelper (const QPoint &oldPos, const QSize &oldSize)
 Invalidates the backing store when the widget is resized.
template<class T>
void invalidateBackingStore (const T &)
QRegion overlappedRegion (const QRect &rect, bool breakAfterFirst=false) const
bool isOverlapped (const QRect &rect) const
void syncBackingStore ()
void syncBackingStore (const QRegion &region)
bool shouldDiscardSyncRequest () const
void updateWidgetTransform (QEvent *event)
void reparentFocusWidgets (QWidget *oldtlw)
void setWinId (WId)
void showChildren (bool spontaneous)
void hideChildren (bool spontaneous)
void setParent_sys (QWidget *parent, Qt::WindowFlags)
void reparentWidgetWindows (QWidget *parentWithWindow, Qt::WindowFlags windowFlags={})
void reparentWidgetWindowChildren (QWidget *parentWithWindow)
void scroll_sys (int dx, int dy)
void scroll_sys (int dx, int dy, const QRect &r)
void deactivateWidgetCleanup ()
void setGeometry_sys (int, int, int, int, bool)
void fixPosIncludesFrame ()
void sendPendingMoveAndResizeEvents (bool recursive=false, bool disableUpdates=false)
void activateChildLayoutsRecursively ()
void show_recursive ()
void show_helper ()
void show_sys ()
void hide_sys ()
void hide_helper ()
bool isExplicitlyHidden () const
void _q_showIfNotHidden ()
virtual void setVisible (bool)
void setEnabled_helper (bool)
void updateFrameStrut ()
QRect frameStrut () const
void setWindowIconText_sys (const QString &cap)
void setWindowIconText_helper (const QString &cap)
void setWindowTitle_sys (const QString &cap)
void setWindowFilePath_sys (const QString &filePath)
void setCursor_sys (const QCursor &cursor)
void unsetCursor_sys ()
void setWindowTitle_helper (const QString &cap)
void setWindowFilePath_helper (const QString &filePath)
void setWindowModified_helper ()
virtual void setWindowFlags (Qt::WindowFlags windowFlags)
bool setMinimumSize_helper (int &minw, int &minh)
bool setMaximumSize_helper (int &maxw, int &maxh)
void setConstraints_sys ()
bool pointInsideRectAndMask (const QPointF &) const
QWidget * childAt_helper (const QPointF &, bool) const
QWidget * childAtRecursiveHelper (const QPointF &p, bool) const
void updateGeometry_helper (bool forceUpdate)
void getLayoutItemMargins (int *left, int *top, int *right, int *bottom) const
void setLayoutItemMargins (int left, int top, int right, int bottom)
void setLayoutItemMargins (QStyle::SubElement element, const QStyleOption *opt=nullptr)
void updateContentsRect ()
QMargins safeAreaMargins () const
virtual void aboutToDestroy ()
QWidget * effectiveFocusWidget ()
void setModal_sys ()
void setRedirected (QPaintDevice *replacement, const QPoint &offset)
QPaintDevice * redirected (QPoint *offset) const
void restoreRedirected ()
void enforceNativeChildren ()
bool nativeChildrenForced () const
QRect effectiveRectFor (const QRegion &region) const
QRect effectiveRectFor (const QRect &rect) const
QSize adjustedSize () const
void handleSoftwareInputPanel (Qt::MouseButton button, bool clickCausedFocus)
void handleSoftwareInputPanel (bool clickCausedFocus=false)
void setWSGeometry ()
QPoint mapToWS (const QPoint &p) const
QPoint mapFromWS (const QPoint &p) const
QRect mapToWS (const QRect &r) const
QRect mapFromWS (const QRect &r) const
virtual QObject * focusObject ()
virtual QPlatformBackingStoreRhiConfig rhiConfig () const
virtual TextureData texture () const
virtual QPlatformTextureList::Flags textureListFlags ()
virtual QImage grabFramebuffer ()
virtual void beginBackingStorePainting ()
virtual void endBackingStorePainting ()
virtual void beginCompose ()
virtual void endCompose ()
void setRenderToTexture ()
void setTextureChildSeen ()
virtual void initializeViewportFramebuffer ()
virtual void resizeViewportFramebuffer ()
virtual void resolveSamples ()
virtual bool isStereoEnabled ()
virtual bool toggleStereoTargetBuffer ()
std::string flagsForDumping () const override
QWidget * closestParentWidgetWithWindowHandle () const
QWidget * nextPrevElementInFocusChain (FocusDirection direction) const
bool removeFromFocusChain (FocusChainRemovalRules rules=FocusChainRemovalRules(), FocusDirection direction=FocusDirection::Next)
bool insertIntoFocusChain (FocusDirection direction, QWidget *position)
bool insertIntoFocusChainBefore (QWidget *position)
bool insertIntoFocusChainAfter (QWidget *position)
void reparentFocusChildren (FocusDirection direction)
QWidget * determineLastFocusChild (QWidget *noFurtherThan)
void initFocusChain ()
bool isInFocusChain () const
bool isFocusChainConsistent () const
void setNetWmWindowTypes (bool skipIfMissing=false)
bool stealKeyboardGrab (bool grab)
bool stealMouseGrab (bool grab)
bool hasChildWithFocusPolicy (Qt::FocusPolicy policy, const QWidget *excludeChildrenOf=nullptr) const
Public Member Functions inherited from QObjectPrivate
void ensureExtraData ()
void setObjectNameWithoutBindings (const QString &name)
 QObjectPrivate (decltype(QObjectPrivateVersion) version=QObjectPrivateVersion)
virtual ~QObjectPrivate ()
void deleteChildren ()
void clearBindingStorage ()
void setParent_helper (QObject *)
void moveToThread_helper ()
void setThreadData_helper (QThreadData *currentData, QThreadData *targetData, QBindingStatus *status)
QObjectList receiverList (const char *signal) const
void ensureConnectionData ()
void addConnection (int signal, Connection *c)
int signalIndex (const char *signalName, const QMetaObject **meta=nullptr) const
bool isSignalConnected (uint signalIdx, bool checkDeclarative=true) const
bool maybeSignalConnected (uint signalIndex) const
bool isDeclarativeSignalConnected (uint signalIdx) const
void connectNotify (const QMetaMethod &signal)
void disconnectNotify (const QMetaMethod &signal)
void reinitBindingStorageAfterThreadMove ()
virtual void writeToDebugStream (QDebug &) const
QtPrivate::QPropertyAdaptorSlotObject * getPropertyAdaptorSlotObject (const QMetaProperty &property)
Public Member Functions inherited from QObjectData
 QObjectData ()=default
virtual ~QObjectData ()=0
const QMetaObject * dynamicMetaObject () const

Public Attributes

int minimum
int maximum
int pageStep
int value
int position
int pressValue
int singleStep
int singleStepFromItemView
bool viewMayChangeSingleStep
float offset_accumulated
uint tracking: 1
uint blocktracking:1
uint pressed: 1
uint invertedAppearance: 1
uint invertedControls: 1
Qt::Orientation orientation
QBasicTimer repeatActionTimer
int repeatActionTime
QAbstractSlider::SliderAction repeatAction
Public Attributes inherited from QWidgetPrivate
std::unique_ptr< QWExtra > extra
QWidget * focus_next
QWidget * focus_prev
QWidget * focus_child
QLayout * layout
QRegion * needsFlush
QPaintDevice * redirectDev
QWidgetItemV2 * widgetItem
QPaintEngine * extraPaintEngine
const QMetaObject * polished
QGraphicsEffect * graphicsEffect
Qt::InputMethodHints imHints
QRegion opaqueChildren
QRegion dirty
uint directFontResolveMask
uint inheritedFontResolveMask
decltype(std::declval< QPalette >().resolveMask()) directPaletteResolveMask
QPalette::ResolveMask inheritedPaletteResolveMask
short leftmargin
short topmargin
short rightmargin
short bottommargin
signed char leftLayoutItemMargin
signed char topLayoutItemMargin
signed char rightLayoutItemMargin
signed char bottomLayoutItemMargin
Qt::HANDLE hd
QWidgetData data
QSizePolicy size_policy
QLocale locale
QPoint redirectOffset
QList< QAction * > actions
QMap< Qt::GestureType, Qt::GestureFlags > gestureContext
uint high_attributes [4]
QPalette::ColorRole fg_role: 8
QPalette::ColorRole bg_role: 8
uint dirtyOpaqueChildren: 1
uint isOpaque: 1
uint retainSizeWhenHiddenChanged: 1
uint inDirtyList: 1
uint isScrolled: 1
uint isMoved: 1
uint usesDoubleBufferedGLContext: 1
uint mustHaveWindowHandle: 1
uint renderToTexture: 1
uint textureChildSeen: 1
uint inheritsInputMethodHints: 1
uint renderToTextureReallyDirty: 1
uint usesRhiFlush: 1
uint childrenHiddenByWState: 1
uint childrenShownByExpose: 1
uint dontSetExplicitShowHide: 1
uint inheritStyleRecursionGuard: 1
Public Attributes inherited from QObjectPrivate
ExtraData * extraData
QAtomicPointer< QThreadData > threadData
QAtomicPointer< ConnectionData > connections
union { 
   QObject *   currentChildBeingDeleted 
   QAbstractDeclarativeData *   declarativeData 
}; 
QAtomicPointer< QtSharedPointer::ExternalRefCountData > sharedRefcount
Public Attributes inherited from QObjectData
QObject * q_ptr
QObject * parent
QObjectList children
uint isWidget: 1
uint blockSig: 1
uint wasDeleted: 1
uint isDeletingChildren: 1
uint sendChildEvents: 1
uint receiveChildEvents: 1
uint isWindow: 1
uint deleteLaterCalled: 1
uint isQuickItem: 1
uint willBeWidget: 1
uint wasWidget: 1
uint receiveParentEvents: 1
uint unused: 20
QAtomicInt postedEvents
QDynamicMetaObjectData * metaObject
QBindingStorage bindingStorage

Additional Inherited Members

Public Types inherited from QWidgetPrivate
enum  DrawWidgetFlag {
  DrawAsRoot = 0x01 , DrawPaintOnScreen = 0x02 , DrawRecursive = 0x04 , DrawInvisible = 0x08 ,
  DontSubtractOpaqueChildren = 0x10 , DontDrawOpaqueChildren = 0x20 , DontDrawNativeChildren = 0x40 , DontSetCompositionMode = 0x80 ,
  UseEffectRegionBounds = 0x100
}
enum  Direction { DirectionNorth = 0x01 , DirectionEast = 0x10 , DirectionSouth = 0x02 , DirectionWest = 0x20 }
enum class  WindowHandleMode { Direct , Closest , TopLevel }
enum  CloseMode { CloseNoEvent , CloseWithEvent , CloseWithSpontaneousEvent }
enum class  FocusDirection { Previous , Next }
enum class  FocusChainRemovalRule { EnsureFocusOut = 0x01 , AssertConsistency = 0x02 }
Public Types inherited from QObjectPrivate
typedef void(* StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)
using ConnectionDataPointer = QExplicitlySharedDataPointer<ConnectionData>
Static Public Member Functions inherited from QWidgetPrivate
static QWidgetPrivate * get (QWidget *w)
static const QWidgetPrivate * get (const QWidget *w)
static void checkRestoredGeometry (const QRect &availableGeometry, QRect *restoredGeometry, int frameHeight)
static void adjustFlags (Qt::WindowFlags &flags, QWidget *w=nullptr)
static QWidget * parentGraphicsView (const QWidget *widget)
static QRect screenGeometry (const QWidget *widget)
static QRect availableScreenGeometry (const QWidget *widget)
static QScreen * screen (const QWidget *widget, const QPoint &globalPosition, bool hasPosition=true)
static QRect screenGeometry (const QWidget *widget, const QPoint &globalPosition, bool hasPosition=true)
static QRect availableScreenGeometry (const QWidget *widget, const QPoint &globalPosition, bool hasPosition=true)
static void sendComposeStatus (QWidget *w, bool end)
static void setWidgetParentHelper (QObject *widgetAsObject, QObject *newParent)
static bool insertIntoFocusChain (const QWidgetList &toBeInserted, FocusDirection direction, QWidget *position)
static QWidgetList takeFromFocusChain (QWidget *from, QWidget *to, FocusDirection direction=FocusDirection::Next)
Static Public Member Functions inherited from QObjectPrivate
static bool removeConnection (Connection *c)
static QObjectPrivate * get (QObject *o)
static const QObjectPrivate * get (const QObject *o)
template<typename Func1, typename Func2>
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiverPrivate, Func2 slot, Qt::ConnectionType type=Qt::AutoConnection)
template<typename Func1, typename Func2>
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiverPrivate, Func2 slot)
static QMetaObject::Connection connectImpl (const QObject *sender, int signal_index, const QObject *receiver, void **slot, QtPrivate::QSlotObjectBase *slotObj, int type, const int *types, const QMetaObject *senderMetaObject)
static QMetaObject::Connection connect (const QObject *sender, int signal_index, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType type)
static QMetaObject::Connection connect (const QObject *sender, int signal_index, const QObject *receiver, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType type)
static bool disconnect (const QObject *sender, int signal_index, void **slot)
static bool disconnect (const QObject *sender, int signal_index, const QObject *receiver, void **slot)
Static Public Attributes inherited from QWidgetPrivate
static QWidgetMapper * mapper = nullptr
static QWidgetSet * allWidgets = nullptr
static int instanceCounter = 0
static int maxInstances = 0

Detailed Description

Definition at line 29 of file qabstractslider_p.h.

Constructor & Destructor Documentation

◆ QAbstractSliderPrivate()

QAbstractSliderPrivate::QAbstractSliderPrivate ( )

Definition at line 179 of file qabstractslider.cpp.

◆ ~QAbstractSliderPrivate()

QAbstractSliderPrivate::~QAbstractSliderPrivate ( )

Definition at line 196 of file qabstractslider.cpp.

Member Function Documentation

◆ bound()

virtual int QAbstractSliderPrivate::bound ( int val) const
inlinevirtual

Reimplemented in QDialPrivate, and QDialPrivate.

Definition at line 89 of file qabstractslider_p.h.

◆ effectiveSingleStep()

int QAbstractSliderPrivate::effectiveSingleStep ( ) const
inline

Definition at line 79 of file qabstractslider_p.h.

◆ itemviewChangeSingleStep()

void QAbstractSliderPrivate::itemviewChangeSingleStep ( int step)

Definition at line 933 of file qabstractslider.cpp.

◆ overflowSafeAdd()

int QAbstractSliderPrivate::overflowSafeAdd ( int add) const
inline

Definition at line 90 of file qabstractslider_p.h.

◆ scrollByDelta()

bool QAbstractSliderPrivate::scrollByDelta ( Qt::Orientation orientation,
Qt::KeyboardModifiers modifiers,
int delta )

Definition at line 669 of file qabstractslider.cpp.

◆ setAdjustedSliderPosition()

void QAbstractSliderPrivate::setAdjustedSliderPosition ( int position)
inline

Definition at line 99 of file qabstractslider_p.h.

◆ setSteps()

void QAbstractSliderPrivate::setSteps ( int single,
int page )

Definition at line 223 of file qabstractslider.cpp.

Member Data Documentation

◆ blocktracking

uint QAbstractSliderPrivate::blocktracking

Definition at line 49 of file qabstractslider_p.h.

◆ invertedAppearance

uint QAbstractSliderPrivate::invertedAppearance

Definition at line 51 of file qabstractslider_p.h.

◆ invertedControls

uint QAbstractSliderPrivate::invertedControls

Definition at line 52 of file qabstractslider_p.h.

◆ maximum

int QAbstractSliderPrivate::maximum

Definition at line 38 of file qabstractslider_p.h.

◆ minimum

int QAbstractSliderPrivate::minimum

Definition at line 38 of file qabstractslider_p.h.

◆ offset_accumulated

float QAbstractSliderPrivate::offset_accumulated

Definition at line 47 of file qabstractslider_p.h.

◆ orientation

Qt::Orientation QAbstractSliderPrivate::orientation

Definition at line 53 of file qabstractslider_p.h.

◆ pageStep

int QAbstractSliderPrivate::pageStep

Definition at line 38 of file qabstractslider_p.h.

◆ position

int QAbstractSliderPrivate::position

Definition at line 38 of file qabstractslider_p.h.

◆ pressed

uint QAbstractSliderPrivate::pressed

Definition at line 50 of file qabstractslider_p.h.

◆ pressValue

int QAbstractSliderPrivate::pressValue

Definition at line 38 of file qabstractslider_p.h.

◆ repeatAction

QAbstractSlider::SliderAction QAbstractSliderPrivate::repeatAction

Definition at line 57 of file qabstractslider_p.h.

◆ repeatActionTime

int QAbstractSliderPrivate::repeatActionTime

Definition at line 56 of file qabstractslider_p.h.

◆ repeatActionTimer

QBasicTimer QAbstractSliderPrivate::repeatActionTimer

Definition at line 55 of file qabstractslider_p.h.

◆ singleStep

int QAbstractSliderPrivate::singleStep

Call effectiveSingleStep() when changing the slider value.

Definition at line 43 of file qabstractslider_p.h.

◆ singleStepFromItemView

int QAbstractSliderPrivate::singleStepFromItemView

Definition at line 44 of file qabstractslider_p.h.

◆ tracking

uint QAbstractSliderPrivate::tracking

Definition at line 48 of file qabstractslider_p.h.

◆ value

int QAbstractSliderPrivate::value

Definition at line 38 of file qabstractslider_p.h.

◆ viewMayChangeSingleStep

bool QAbstractSliderPrivate::viewMayChangeSingleStep

Definition at line 45 of file qabstractslider_p.h.

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