Qt 6.x
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Public Member Functions | Public Attributes | List of all members
QScrollBarPrivate Class Reference

#include <qscrollbar_p.h>

+ Inheritance diagram for QScrollBarPrivate:
+ Collaboration diagram for QScrollBarPrivate:

Public Member Functions

void activateControl (uint control, int threshold=500)
 
void stopRepeatAction ()
 
int pixelPosToRangeValue (int pos) const
 
void init ()
 
bool updateHoverControl (const QPoint &pos)
 
QStyle::SubControl newHoverControl (const QPoint &pos)
 
void setTransient (bool value)
 
void flash ()
 
- Public Member Functions inherited from QAbstractSliderPrivate
 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 (int version=QObjectPrivateVersion)
 
 ~QWidgetPrivate ()
 
QWExtra * extraData () const
 
QTLWExtra * topData () const
 
QTLWExtra * maybeTopData () const
 
QPainter * sharedPainter () const
 
void setSharedPainter (QPainter *painter)
 
QWidgetRepaintManager * maybeRepaintManager () 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 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 ()
 
void _q_showIfNotHidden ()
 
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 QPoint &) const
 
QWidget * childAt_helper (const QPoint &, bool) const
 
QWidget * childAtRecursiveHelper (const QPoint &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
 
void setNetWmWindowTypes (bool skipIfMissing=false)
 
bool stealKeyboardGrab (bool grab)
 
bool stealMouseGrab (bool grab)
 
- Public Member Functions inherited from QObjectPrivate
void ensureExtraData ()
 
 QObjectPrivate (int version=QObjectPrivateVersion)
 
virtual ~QObjectPrivate ()
 
void deleteChildren ()
 
void clearBindingStorage ()
 
void checkForIncompatibleLibraryVersion (int version) const
 
void setParent_helper (QObject *)
 
void moveToThread_helper ()
 
void setThreadData_helper (QThreadData *currentData, QThreadData *targetData, QBindingStatus *status)
 
void _q_reregisterTimers (void *pointer)
 
bool isSender (const QObject *receiver, const char *signal) const
 
QObjectList receiverList (const char *signal) const
 
QObjectList senderList () 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 std::string flagsForDumping () const
 
QtPrivate::QPropertyAdaptorSlotObject * getPropertyAdaptorSlotObject (const QMetaProperty &property)
 
- Public Member Functions inherited from QObjectData
 QObjectData ()=default
 
virtual ~QObjectData ()=0
 
QMetaObject * dynamicMetaObject () const
 

Public Attributes

QStyle::SubControl pressedControl
 
bool pointerOutsidePressedControl
 
int clickOffset
 
int snapBackPosition
 
QStyle::SubControl hoverControl
 
QRect hoverRect
 
bool transient
 
bool flashed
 
int flashTimer
 
- Public Attributes inherited from QAbstractSliderPrivate
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
 
- 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 unused: 21
 
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 }
 
- 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 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 26 of file qscrollbar_p.h.

Member Function Documentation

◆ activateControl()

void QScrollBarPrivate::activateControl ( uint  control,
int  threshold = 500 
)

Definition at line 218 of file qscrollbar.cpp.

References QStyle::SC_ScrollBarAddLine, QStyle::SC_ScrollBarAddPage, QStyle::SC_ScrollBarFirst, QStyle::SC_ScrollBarLast, QStyle::SC_ScrollBarSubLine, QStyle::SC_ScrollBarSubPage, QAbstractSlider::SliderNoAction, QAbstractSlider::SliderPageStepAdd, QAbstractSlider::SliderPageStepSub, QAbstractSlider::SliderSingleStepAdd, QAbstractSlider::SliderSingleStepSub, QAbstractSlider::SliderToMaximum, and QAbstractSlider::SliderToMinimum.

◆ flash()

void QScrollBarPrivate::flash ( )

Definition at line 202 of file qscrollbar.cpp.

References flashed, flashTimer, opt, and QStyle::SH_ScrollBar_Transient.

◆ init()

void QScrollBarPrivate::init ( )

Definition at line 342 of file qscrollbar.cpp.

References QSizePolicy::Fixed, flashed, flashTimer, hoverControl, QStyleOption::initFrom(), QAbstractSliderPrivate::invertedControls, QSizePolicy::Minimum, Qt::NoFocus, opt, QAbstractSliderPrivate::orientation, pointerOutsidePressedControl, pressedControl, QStyle::SC_None, QStyle::SH_ScrollBar_Transient, QSizePolicy::Slider, sp, transient, Qt::Vertical, Qt::WA_OpaquePaintEvent, and Qt::WA_WState_OwnSizePolicy.

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◆ newHoverControl()

QStyle::SubControl QScrollBarPrivate::newHoverControl ( const QPoint &  pos)

Definition at line 172 of file qscrollbar.cpp.

References QStyle::CC_ScrollBar, hoverControl, hoverRect, opt, pos, QStyle::SC_All, and QStyle::SC_None.

Referenced by updateHoverControl().

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◆ pixelPosToRangeValue()

int QScrollBarPrivate::pixelPosToRangeValue ( int  pos) const

Definition at line 660 of file qscrollbar.cpp.

References QRect::bottom(), QStyle::CC_ScrollBar, QRect::height(), Qt::Horizontal, QAbstractSliderPrivate::maximum, QAbstractSliderPrivate::minimum, opt, QAbstractSliderPrivate::orientation, pos, QRect::right(), Qt::RightToLeft, QStyle::SC_ScrollBarGroove, QStyle::SC_ScrollBarSlider, QStyle::sliderValueFromPosition(), QRect::width(), QRect::x(), and QRect::y().

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◆ setTransient()

void QScrollBarPrivate::setTransient ( bool  value)

Definition at line 186 of file qscrollbar.cpp.

References opt, QStyle::SH_ScrollBar_Transient, transient, and QAbstractSliderPrivate::value.

◆ stopRepeatAction()

void QScrollBarPrivate::stopRepeatAction ( )

Definition at line 250 of file qscrollbar.cpp.

References QStyle::CC_ScrollBar, opt, pressedControl, QStyle::SC_None, QStyle::SC_ScrollBarSlider, and QAbstractSlider::SliderNoAction.

◆ updateHoverControl()

bool QScrollBarPrivate::updateHoverControl ( const QPoint &  pos)

Definition at line 158 of file qscrollbar.cpp.

References hoverControl, hoverRect, newHoverControl(), pos, and Qt::WA_Hover.

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Member Data Documentation

◆ clickOffset

int QScrollBarPrivate::clickOffset

Definition at line 33 of file qscrollbar_p.h.

◆ flashed

bool QScrollBarPrivate::flashed

Definition at line 48 of file qscrollbar_p.h.

Referenced by flash(), and init().

◆ flashTimer

int QScrollBarPrivate::flashTimer

Definition at line 49 of file qscrollbar_p.h.

Referenced by flash(), and init().

◆ hoverControl

QStyle::SubControl QScrollBarPrivate::hoverControl

Definition at line 42 of file qscrollbar_p.h.

Referenced by init(), newHoverControl(), and updateHoverControl().

◆ hoverRect

QRect QScrollBarPrivate::hoverRect

Definition at line 43 of file qscrollbar_p.h.

Referenced by newHoverControl(), and updateHoverControl().

◆ pointerOutsidePressedControl

bool QScrollBarPrivate::pointerOutsidePressedControl

Definition at line 31 of file qscrollbar_p.h.

Referenced by init().

◆ pressedControl

QStyle::SubControl QScrollBarPrivate::pressedControl

Definition at line 30 of file qscrollbar_p.h.

Referenced by init(), and stopRepeatAction().

◆ snapBackPosition

int QScrollBarPrivate::snapBackPosition

Definition at line 33 of file qscrollbar_p.h.

◆ transient

bool QScrollBarPrivate::transient

Definition at line 45 of file qscrollbar_p.h.

Referenced by init(), and setTransient().

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