Qt 4.8
Public Functions | Public Variables | List of all members
QSliderPrivate Class Reference
Inheritance diagram for QSliderPrivate:
QAbstractSliderPrivate QWidgetPrivate QObjectPrivate QObjectData

Public Functions

void init ()
 
QStyle::SubControl newHoverControl (const QPoint &pos)
 
int pick (const QPoint &pt) const
 
int pixelPosToRangeValue (int pos) const
 
void resetLayoutItemMargins ()
 
bool updateHoverControl (const QPoint &pos)
 
- Public Functions inherited from QAbstractSliderPrivate
virtual int bound (int val) const
 
int effectiveSingleStep () const
 
int overflowSafeAdd (int add) const
 
 QAbstractSliderPrivate ()
 
bool scrollByDelta (Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta)
 
void setAdjustedSliderPosition (int position)
 
void setSteps (int single, int page)
 
 ~QAbstractSliderPrivate ()
 
- Public Functions inherited from QWidgetPrivate
void _q_showIfNotHidden ()
 
virtual void aboutToDestroy ()
 
void activateChildLayoutsRecursively ()
 
QSize adjustedSize () const
 
void adjustQuitOnCloseAttribute ()
 
QInputContextassignedInputContext () const
 
QPainterbeginSharedPainter ()
 
QWidgetchildAt_helper (const QPoint &, bool) const
 
QWidgetchildAtRecursiveHelper (const QPoint &p, bool, bool includeFrame=false) const
 
QRect clipRect () const
 
QRegion clipRegion () const
 
void clipToEffectiveMask (QRegion &region) const
 
bool close_helper (CloseMode mode)
 
void create_sys (WId window, bool initializeWindow, bool destroyOldWindow)
 
QWindowSurfacecreateDefaultWindowSurface ()
 
QWindowSurfacecreateDefaultWindowSurface_sys ()
 
void createExtra ()
 Creates the widget extra data. More...
 
void createRecursively ()
 
void createSysExtra ()
 
void createTLExtra ()
 
void createTLSysExtra ()
 
void createWinId (WId id=0)
 
void deactivateWidgetCleanup ()
 
void deleteExtra ()
 Deletes the widget extra data. More...
 
void deleteSysExtra ()
 
void deleteTLSysExtra ()
 
void drawWidget (QPaintDevice *pdev, const QRegion &rgn, const QPoint &offset, int flags, QPainter *sharedPainter=0, QWidgetBackingStore *backingStore=0)
 
QWidgeteffectiveFocusWidget ()
 
QRect effectiveRectFor (const QRect &rect) const
 
bool endSharedPainter ()
 
void enforceNativeChildren ()
 
QWExtraextraData () const
 
QRect frameStrut () const
 
void getLayoutItemMargins (int *left, int *top, int *right, int *bottom) const
 
const QRegiongetOpaqueChildren () const
 
void handleSoftwareInputPanel (Qt::MouseButton button, bool clickCausedFocus)
 
virtual bool hasHeightForWidth () const
 
void hide_helper ()
 
void hide_sys ()
 Platform-specific part of QWidget::hide(). More...
 
void hideChildren (bool spontaneous)
 
void inheritStyle ()
 
void init (QWidget *desktopWidget, Qt::WindowFlags f)
 
QInputContextinputContext () const
 
void invalidateBuffer (const QRegion &)
 Invalidates the rgn (in widget's coordinates) of the backing store, i.e. More...
 
void invalidateBuffer (const QRect &)
 This function is equivalent to calling invalidateBuffer(QRegion(rect), ...), but is more efficient as it eliminates QRegion operations/allocations and can use the rect more precisely for additional cut-offs. More...
 
void invalidateBuffer_resizeHelper (const QPoint &oldPos, const QSize &oldSize)
 Invalidates the buffer when the widget is resized. More...
 
void invalidateGraphicsEffectsRecursively ()
 
bool isAboutToShow () const
 
bool isBackgroundInherited () const
 
bool isOverlapped (const QRect &) const
 
void lower_sys ()
 
QPoint mapFromGlobal (const QPoint &pos) const
 
QPoint mapToGlobal (const QPoint &pos) const
 
QWidgetBackingStoremaybeBackingStore () const
 
QTLWExtramaybeTopData () const
 
void moveRect (const QRect &, int dx, int dy)
 
bool nativeChildrenForced () const
 
QFont naturalWidgetFont (uint inheritedMask) const
 
QPalette naturalWidgetPalette (uint inheritedMask) const
 Returns the palette that the widget w inherits from its ancestors and QApplication::palette. More...
 
void paintBackground (QPainter *, const QRegion &, int flags=DrawAsRoot) const
 
bool paintOnScreen () const
 
void paintSiblingsRecursive (QPaintDevice *pdev, const QObjectList &children, int index, const QRegion &rgn, const QPoint &offset, int flags, QPainter *sharedPainter, QWidgetBackingStore *backingStore)
 
bool pointInsideRectAndMask (const QPoint &) const
 
QRegion prepareToRender (const QRegion &region, QWidget::RenderFlags renderFlags)
 
void propagatePaletteChange ()
 Propagate this widget's palette to all children, except style sheet widgets, and windows that don't enable window propagation (palettes don't normally propagate to windows). More...
 
 QWidgetPrivate (int version=QObjectPrivateVersion)
 
void raise_sys ()
 
QPaintDeviceredirected (QPoint *offset) const
 
void registerDropSite (bool)
 
void render (QPaintDevice *target, const QPoint &targetOffset, const QRegion &sourceRegion, QWidget::RenderFlags renderFlags, bool readyToRender)
 
void render_helper (QPainter *painter, const QPoint &targetOffset, const QRegion &sourceRegion, QWidget::RenderFlags renderFlags)
 
void repaint_sys (const QRegion &rgn)
 
void reparentFocusWidgets (QWidget *oldtlw)
 
void resolveFont ()
 Determine which font is implicitly imposed on this widget by its ancestors and QApplication::font, resolve this against its own font (attributes from the implicit font are copied over). More...
 
void resolveLayoutDirection ()
 
void resolveLocale ()
 
void resolvePalette ()
 Determine which palette is inherited from this widget's ancestors and QApplication::palette, resolve this against this widget's palette (attributes from the inherited palette are copied over this widget's palette). More...
 
void restoreRedirected ()
 
void scroll_sys (int dx, int dy)
 
void scroll_sys (int dx, int dy, const QRect &r)
 
void scrollChildren (int dx, int dy)
 
void scrollRect (const QRect &, int dx, int dy)
 
void sendPendingMoveAndResizeEvents (bool recursive=false, bool disableUpdates=false)
 
void sendStartupMessage (const char *message) const
 Platform-specific part of QWidget::show(). More...
 
void setConstraints_sys ()
 
void setCursor_sys (const QCursor &cursor)
 
void setDirtyOpaqueRegion ()
 
void setEnabled_helper (bool)
 
void setFocus_sys ()
 
void setFont_helper (const QFont &font)
 
void setGeometry_sys (int, int, int, int, bool)
 
void setLayoutDirection_helper (Qt::LayoutDirection)
 
void setLayoutItemMargins (int left, int top, int right, int bottom)
 
void setLayoutItemMargins (QStyle::SubElement element, const QStyleOption *opt=0)
 
void setLocale_helper (const QLocale &l, bool forceUpdate=false)
 
void setMask_sys (const QRegion &)
 
bool setMaximumSize_helper (int &maxw, int &maxh)
 
bool setMinimumSize_helper (int &minw, int &minh)
 
void setModal_sys ()
 
void setNetWmWindowTypes ()
 
void setOpaque (bool opaque)
 
void setPalette_helper (const QPalette &)
 
void setParent_sys (QWidget *parent, Qt::WindowFlags)
 
void setRedirected (QPaintDevice *replacement, const QPoint &offset)
 
void setSharedPainter (QPainter *painter)
 
void setStyle_helper (QStyle *newStyle, bool propagate, bool metalHack=false)
 
void setUpdatesEnabled_helper (bool)
 
void setWindowFilePath_helper (const QString &filePath)
 
void setWindowIcon_helper ()
 
void setWindowIcon_sys (bool forceReset=false)
 
void setWindowIconText_helper (const QString &cap)
 
void setWindowIconText_sys (const QString &cap)
 
void setWindowOpacity_sys (qreal opacity)
 
void setWindowRole ()
 
void setWindowTitle_helper (const QString &cap)
 
void setWindowTitle_sys (const QString &cap)
 
void setWinId (WId)
 
QPaintersharedPainter () const
 
void show_helper ()
 
void show_recursive ()
 Makes the widget visible in the isVisible() meaning of the word. More...
 
void show_sys ()
 Platform-specific part of QWidget::show(). More...
 
void showChildren (bool spontaneous)
 
void stackUnder_sys (QWidget *)
 
void subtractOpaqueChildren (QRegion &rgn, const QRect &clipRect) const
 
void subtractOpaqueSiblings (QRegion &source, bool *hasDirtySiblingsAbove=0, bool alsoNonOpaque=false) const
 
void syncBackingStore ()
 
void syncBackingStore (const QRegion &region)
 
QTLWExtratopData () const
 
void unsetCursor_sys ()
 
void updateFont (const QFont &)
 Assign font to this widget, and propagate it to all children, except style sheet widgets (handled differently) and windows that don't enable window propagation. More...
 
void updateFrameStrut ()
 Computes the frame rectangle when needed. More...
 
void updateGeometry_helper (bool forceUpdate)
 
void updateIsOpaque ()
 
void updateIsTranslucent ()
 
void updateSystemBackground ()
 
void updateX11AcceptFocus ()
 
void x11UpdateIsOpaque ()
 
 ~QWidgetPrivate ()
 
- Public Functions inherited from QObjectPrivate
void _q_reregisterTimers (void *pointer)
 
void addConnection (int signal, Connection *c)
 
void cleanConnectionLists ()
 
void connectNotify (const char *signal)
 
void deleteChildren ()
 
void disconnectNotify (const char *signal)
 
bool isSender (const QObject *receiver, const char *signal) const
 
bool isSignalConnected (uint signalIdx) const
 Returns true if the signal with index signal_index from object sender is connected. More...
 
void moveToThread_helper ()
 
 QObjectPrivate (int version=QObjectPrivateVersion)
 
QObjectList receiverList (const char *signal) const
 
QObjectList senderList () const
 
void setParent_helper (QObject *)
 
void setThreadData_helper (QThreadData *currentData, QThreadData *targetData)
 
int signalIndex (const char *signalName) const
 Returns the signal index used in the internal connectionLists vector. More...
 
virtual ~QObjectPrivate ()
 
- Public Functions inherited from QObjectData
virtual ~QObjectData ()=0
 

Public Variables

int clickOffset
 
QStyle::SubControl hoverControl
 
QRect hoverRect
 
QStyle::SubControl pressedControl
 
int tickInterval
 
QSlider::TickPosition tickPosition
 
- Public Variables inherited from QAbstractSliderPrivate
uint blocktracking:1
 
uint invertedAppearance: 1
 
uint invertedControls: 1
 
int maximum
 
int minimum
 
float offset_accumulated
 
Qt::Orientation orientation
 
int pageStep
 
int position
 
uint pressed: 1
 
int pressValue
 
QAbstractSlider::SliderAction repeatAction
 
int repeatActionTime
 
QBasicTimer repeatActionTimer
 
int singleStep
 
uint tracking: 1
 
int value
 
- Public Variables inherited from QWidgetPrivate
QString accessibleDescription
 
QString accessibleName
 
QList< QAction * > actions
 
QPalette::ColorRole bg_role: 8
 
signed char bottomLayoutItemMargin
 
short bottommargin
 
QWidgetData data
 
QRegion dirty
 
uint dirtyOpaqueChildren: 1
 
QWExtraextra
 
QPaintEngineextraPaintEngine
 
QPalette::ColorRole fg_role: 8
 
QWidgetfocus_child
 
QWidgetfocus_next
 
QWidgetfocus_prev
 
QMap< Qt::GestureType, Qt::GestureFlags > gestureContext
 
QGraphicsEffectgraphicsEffect
 
Qt::HANDLE hd
 
uint high_attributes [4]
 
QPointer< QInputContextic
 
Qt::InputMethodHints imHints
 
uint inDirtyList: 1
 
uint inheritedFontResolveMask
 
uint inheritedPaletteResolveMask
 
uint inheritsInputMethodHints: 1
 
uint inSetParent: 1
 
uint isGLWidget: 1
 
uint isMoved: 1
 
uint isOpaque: 1
 
uint isScrolled: 1
 
QLayoutlayout
 
signed char leftLayoutItemMargin
 
short leftmargin
 
QLocale locale
 
QRegionneedsFlush
 
QRegion opaqueChildren
 
Qt::HANDLE picture
 
const QMetaObjectpolished
 
QPaintDeviceredirectDev
 
QPoint redirectOffset
 
signed char rightLayoutItemMargin
 
short rightmargin
 
QSizePolicy size_policy
 
QString statusTip
 
QString toolTip
 
signed char topLayoutItemMargin
 
short topmargin
 
uint usesDoubleBufferedGLContext: 1
 
QString whatsThis
 
QWidgetItemV2widgetItem
 
QX11Info xinfo
 
- Public Variables inherited from QObjectPrivate
union {
   QObject *   currentChildBeingDeleted
 
   QAbstractDeclarativeData *   declarativeData
 
}; 
 
quint32 connectedSignals [2]
 
QObjectConnectionListVectorconnectionLists
 
SendercurrentSender
 
QList< QPointer< QObject > > eventFilters
 
ExtraDataextraData
 
QString objectName
 
Connectionsenders
 
QAtomicPointer< QtSharedPointer::ExternalRefCountData > sharedRefcount
 
QThreadDatathreadData
 
void * unused
 
- Public Variables inherited from QObjectData
uint blockSig: 1
 
QObjectList children
 
uint hasGuards: 1
 
uint inEventHandler: 1
 
uint inThreadChangeEvent: 1
 
uint isWidget: 1
 
QMetaObjectmetaObject
 
uint ownObjectName: 1
 
QObjectparent
 
uint pendTimer: 1
 
int postedEvents
 
QObjectq_ptr
 
uint receiveChildEvents: 1
 
uint sendChildEvents: 1
 
uint unused: 22
 
uint wasDeleted: 1
 

Additional Inherited Members

- Public Types inherited from QWidgetPrivate
enum  CloseMode { CloseNoEvent, CloseWithEvent, CloseWithSpontaneousEvent }
 
enum  Direction { DirectionNorth = 0x01, DirectionEast = 0x10, DirectionSouth = 0x02, DirectionWest = 0x20 }
 
enum  DrawWidgetFlags {
  DrawAsRoot = 0x01, DrawPaintOnScreen = 0x02, DrawRecursive = 0x04, DrawInvisible = 0x08,
  DontSubtractOpaqueChildren = 0x10, DontSetCompositionMode = 0x20, DontDrawOpaqueChildren = 0x40, DontDrawNativeChildren = 0x80
}
 
- Public Types inherited from QObjectPrivate
typedef void(* StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)
 
- Static Public Functions inherited from QWidgetPrivate
static void adjustFlags (Qt::WindowFlags &flags, QWidget *w=0)
 
static QGraphicsProxyWidgetnearestGraphicsProxyWidget (const QWidget *origin)
 Finds the nearest widget embedded in a graphics proxy widget along the chain formed by this widget and its ancestors. More...
 
static int pointToRect (const QPoint &p, const QRect &r)
 
static QRect screenGeometry (const QWidget *widget)
 
- Static Public Functions inherited from QObjectPrivate
static void clearGuards (QObject *)
 
static QObjectPrivateget (QObject *o)
 
static void resetCurrentSender (QObject *receiver, Sender *currentSender, Sender *previousSender)
 
static SendersetCurrentSender (QObject *receiver, Sender *sender)
 
static void signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)
 
- Static Public Variables inherited from QWidgetPrivate
static QWidgetSetallWidgets = 0
 
static int instanceCounter = 0
 
static QWidgetkeyboardGrabber = 0
 
static QWidgetMappermapper = 0
 
static int maxInstances = 0
 
static QWidgetmouseGrabber = 0
 

Detailed Description

Definition at line 57 of file qslider.cpp.

Functions

◆ init()

void QSliderPrivate::init ( )

Definition at line 76 of file qslider.cpp.

77 {
78  Q_Q(QSlider);
80  tickInterval = 0;
83  q->setFocusPolicy(Qt::FocusPolicy(q->style()->styleHint(QStyle::SH_Button_FocusPolicy)));
86  sp.transpose();
87  q->setSizePolicy(sp);
88  q->setAttribute(Qt::WA_WState_OwnSizePolicy, false);
90 }
QStyle::SubControl hoverControl
Definition: qslider.cpp:72
QStyle::SubControl pressedControl
Definition: qslider.cpp:61
#define Q_Q(Class)
Definition: qglobal.h:2483
int tickInterval
Definition: qslider.cpp:62
The QSlider widget provides a vertical or horizontal slider.
Definition: qslider.h:57
FocusPolicy
Definition: qnamespace.h:181
void resetLayoutItemMargins()
Definition: qslider.cpp:92
QSlider::TickPosition tickPosition
Definition: qslider.cpp:63
Qt::Orientation orientation

◆ newHoverControl()

QStyle::SubControl QSliderPrivate::newHoverControl ( const QPoint pos)

Definition at line 174 of file qslider.cpp.

Referenced by updateHoverControl().

175 {
176  Q_Q(QSlider);
177  QStyleOptionSlider opt;
178  q->initStyleOption(&opt);
180  QRect handleRect = q->style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, q);
181  QRect grooveRect = q->style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderGroove, q);
182  QRect tickmarksRect = q->style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderTickmarks, q);
183 
184  if (handleRect.contains(pos)) {
185  hoverRect = handleRect;
187  } else if (grooveRect.contains(pos)) {
188  hoverRect = grooveRect;
190  } else if (tickmarksRect.contains(pos)) {
191  hoverRect = tickmarksRect;
193  } else {
194  hoverRect = QRect();
196  }
197 
198  return hoverControl;
199 }
QStyle::SubControl hoverControl
Definition: qslider.cpp:72
QRect hoverRect
Definition: qslider.cpp:73
#define Q_Q(Class)
Definition: qglobal.h:2483
The QSlider widget provides a vertical or horizontal slider.
Definition: qslider.h:57
bool contains(const QPoint &p, bool proper=false) const
Returns true if the given point is inside or on the edge of the rectangle, otherwise returns false...
Definition: qrect.cpp:1101
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider...
Definition: qstyleoption.h:701
QStyle::SubControls subControls
This variable holds a bitwise OR of the sub-controls to be drawn for the complex control.
Definition: qstyleoption.h:693

◆ pick()

int QSliderPrivate::pick ( const QPoint pt) const
inline

Definition at line 122 of file qslider.cpp.

123 {
124  return orientation == Qt::Horizontal ? pt.x() : pt.y();
125 }
int y() const
Returns the y coordinate of this point.
Definition: qpoint.h:131
int x() const
Returns the x coordinate of this point.
Definition: qpoint.h:128
Qt::Orientation orientation

◆ pixelPosToRangeValue()

int QSliderPrivate::pixelPosToRangeValue ( int  pos) const

Definition at line 100 of file qslider.cpp.

101 {
102  Q_Q(const QSlider);
103  QStyleOptionSlider opt;
104  q->initStyleOption(&opt);
105  QRect gr = q->style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderGroove, q);
106  QRect sr = q->style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, q);
107  int sliderMin, sliderMax, sliderLength;
108 
109  if (orientation == Qt::Horizontal) {
110  sliderLength = sr.width();
111  sliderMin = gr.x();
112  sliderMax = gr.right() - sliderLength + 1;
113  } else {
114  sliderLength = sr.height();
115  sliderMin = gr.y();
116  sliderMax = gr.bottom() - sliderLength + 1;
117  }
118  return QStyle::sliderValueFromPosition(minimum, maximum, pos - sliderMin,
119  sliderMax - sliderMin, opt.upsideDown);
120 }
int width() const
Returns the width of the rectangle.
Definition: qrect.h:303
int height() const
Returns the height of the rectangle.
Definition: qrect.h:306
int bottom() const
Returns the y-coordinate of the rectangle&#39;s bottom edge.
Definition: qrect.h:249
#define Q_Q(Class)
Definition: qglobal.h:2483
bool upsideDown
the slider control orientation
Definition: qstyleoption.h:712
The QSlider widget provides a vertical or horizontal slider.
Definition: qslider.h:57
int right() const
Returns the x-coordinate of the rectangle&#39;s right edge.
Definition: qrect.h:246
int y() const
Returns the y-coordinate of the rectangle&#39;s top edge.
Definition: qrect.h:255
int x() const
Returns the x-coordinate of the rectangle&#39;s left edge.
Definition: qrect.h:252
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider...
Definition: qstyleoption.h:701
Qt::Orientation orientation
static int sliderValueFromPosition(int min, int max, int pos, int space, bool upsideDown=false)
Converts the given pixel position to a logical value.
Definition: qstyle.cpp:2222

◆ resetLayoutItemMargins()

void QSliderPrivate::resetLayoutItemMargins ( )

Definition at line 92 of file qslider.cpp.

Referenced by init().

93 {
94  Q_Q(QSlider);
96  q->initStyleOption(&opt);
98 }
void setLayoutItemMargins(int left, int top, int right, int bottom)
Definition: qwidget.cpp:12860
#define Q_Q(Class)
Definition: qglobal.h:2483
The QSlider widget provides a vertical or horizontal slider.
Definition: qslider.h:57
The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider...
Definition: qstyleoption.h:701

◆ updateHoverControl()

bool QSliderPrivate::updateHoverControl ( const QPoint pos)

Definition at line 160 of file qslider.cpp.

161 {
162  Q_Q(QSlider);
163  QRect lastHoverRect = hoverRect;
164  QStyle::SubControl lastHoverControl = hoverControl;
165  bool doesHover = q->testAttribute(Qt::WA_Hover);
166  if (lastHoverControl != newHoverControl(pos) && doesHover) {
167  q->update(lastHoverRect);
168  q->update(hoverRect);
169  return true;
170  }
171  return !doesHover;
172 }
SubControl
This enum describes the available sub controls.
Definition: qstyle.h:402
QStyle::SubControl hoverControl
Definition: qslider.cpp:72
QRect hoverRect
Definition: qslider.cpp:73
QStyle::SubControl newHoverControl(const QPoint &pos)
Definition: qslider.cpp:174
#define Q_Q(Class)
Definition: qglobal.h:2483
The QSlider widget provides a vertical or horizontal slider.
Definition: qslider.h:57
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58

Properties

◆ clickOffset

int QSliderPrivate::clickOffset

Definition at line 64 of file qslider.cpp.

◆ hoverControl

QStyle::SubControl QSliderPrivate::hoverControl

Definition at line 72 of file qslider.cpp.

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

◆ hoverRect

QRect QSliderPrivate::hoverRect

Definition at line 73 of file qslider.cpp.

Referenced by newHoverControl(), and updateHoverControl().

◆ pressedControl

QStyle::SubControl QSliderPrivate::pressedControl

Definition at line 61 of file qslider.cpp.

Referenced by init().

◆ tickInterval

int QSliderPrivate::tickInterval

Definition at line 62 of file qslider.cpp.

Referenced by init().

◆ tickPosition

QSlider::TickPosition QSliderPrivate::tickPosition

Definition at line 63 of file qslider.cpp.

Referenced by init().


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