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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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QBoxLayoutPrivate Class Reference
Inheritance diagram for QBoxLayoutPrivate:
Collaboration diagram for QBoxLayoutPrivate:

Public Member Functions

 QBoxLayoutPrivate ()
 ~QBoxLayoutPrivate ()
void setDirty ()
void deleteAll ()
void setupGeom ()
void calcHfw (int)
void effectiveMargins (int *leftleft, int *toptop, int *rightright, int *bottombottom) const
QLayoutItem * replaceAt (int indexindex, QLayoutItem *) override
int validateIndex (int indexindex) const
 QBoxLayoutPrivate ()
 ~QBoxLayoutPrivate ()
void setDirty ()
void deleteAll ()
void setupGeom ()
void calcHfw (int)
void effectiveMargins (int *leftleft, int *toptop, int *rightright, int *bottombottom) const
QLayoutItem * replaceAt (int indexindex, QLayoutItem *) override
int validateIndex (int indexindex) const
Public Member Functions inherited from QLayoutPrivate
 QLayoutPrivate ()
void getMargin (int *resultresult, int userMargin, QStyle::PixelMetric pm) const
void doResize ()
void reparentChildWidgets (QWidget *mw)
bool checkWidget (QWidget *widget) const
 Returns true if the widget can be added to the layout; otherwise returns false.
bool checkLayout (QLayout *otherLayout) const
 Returns true if the otherLayout can be added to the layout; otherwise returns false.
Public Member Functions inherited from QObjectPrivate
void ensureExtraData ()
void setObjectNameWithoutBindings (const QString &namename)
 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 *cc)
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
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

QList< QBoxLayoutItem * > list
QList< QLayoutStruct > geomArray
int hfwWidth
int hfwHeight
int hfwMinHeight
QSize sizeHint
QSize minSize
QSize maxSize
int leftMargin
int topMargin
int rightMargin
int bottomMargin
Qt::Orientations expanding
uint hasHfw: 1
uint dirty: 1
QBoxLayout::Direction dir
int spacing
Public Attributes inherited from QLayoutPrivate
int insideSpacing
int userLeftMargin
int userTopMargin
int userRightMargin
int userBottomMargin
uint topLevel: 1
uint enabled: 1
uint activated: 1
uint autoNewChild: 1
QLayout::SizeConstraint horizontalConstraint
QLayout::SizeConstraint verticalConstraint
QRect rect
QWidget * menubar
Public Attributes inherited from QObjectPrivate
ExtraData * extraData
QAtomicPointer< QThreadData > threadData
QAtomicPointer< ConnectionData > connections
union  
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 QLayoutPrivate
typedef QWidgetItem *(*) QWidgetItemFactoryMethod(const QLayout *layout, QWidget *widget)
typedef QSpacerItem *(*) QSpacerItemFactoryMethod(const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy, QSizePolicy::Policy)
Public Types inherited from QObjectPrivate
typedef void(*) StaticMetaCallFunction(QObject *, QMetaObject::Call, int, void **)
using ConnectionDataPointer = QExplicitlySharedDataPointer<ConnectionData>
Static Public Member Functions inherited from QLayoutPrivate
static QWidgetItem * createWidgetItem (const QLayout *layout, QWidget *widget)
static QSpacerItem * createSpacerItem (const QLayout *layout, int ww, int hh, QSizePolicy::Policy hPolicy=QSizePolicy::Minimum, QSizePolicy::Policy vPolicy=QSizePolicy::Minimum)
Static Public Member Functions inherited from QObjectPrivate
static bool removeConnection (Connection *cc)
static QObjectPrivate * get (QObject *o)
static const QObjectPrivate * get (const QObject *o)
static void deleteInOwnThread (QObject *objectobject)
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 typetype=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 typetype, const int *typestypes, const QMetaObject *senderMetaObject)
static QMetaObject::Connection connect (const QObject *sender, int signal_index, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType typetype)
static QMetaObject::Connection connect (const QObject *sender, int signal_index, const QObject *receiver, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType typetype)
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 QLayoutPrivate
static QWidgetItemFactoryMethod widgetItemFactoryMethod = nullptr
static QSpacerItemFactoryMethod spacerItemFactoryMethod = nullptr

Detailed Description

Definition at line 56 of file qboxlayout.cpp.

Constructor & Destructor Documentation

◆ QBoxLayoutPrivate() [1/2]

QBoxLayoutPrivate::QBoxLayoutPrivate ( )
inline

Definition at line 60 of file qboxlayout.cpp.

◆ ~QBoxLayoutPrivate() [1/2]

QBoxLayoutPrivate::~QBoxLayoutPrivate ( )

Definition at line 95 of file qboxlayout.cpp.

◆ QBoxLayoutPrivate() [2/2]

QBoxLayoutPrivate::QBoxLayoutPrivate ( )
inline

Definition at line 60 of file qboxlayout.cpp.

◆ ~QBoxLayoutPrivate() [2/2]

QBoxLayoutPrivate::~QBoxLayoutPrivate ( )

Member Function Documentation

◆ calcHfw() [1/2]

void QBoxLayoutPrivate::calcHfw ( int w)

Definition at line 389 of file qboxlayout.cpp.

References QBoxLayoutItem::hfw(), hfwHeight, hfwMinHeight, hfwWidth, and QBoxLayoutItem::mhfw().

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◆ calcHfw() [2/2]

void QBoxLayoutPrivate::calcHfw ( int )

◆ deleteAll() [1/2]

void QBoxLayoutPrivate::deleteAll ( )
inline

Definition at line 85 of file qboxlayout.cpp.

◆ deleteAll() [2/2]

void QBoxLayoutPrivate::deleteAll ( )
inline

Definition at line 85 of file qboxlayout.cpp.

◆ effectiveMargins() [1/2]

void QBoxLayoutPrivate::effectiveMargins ( int * left,
int * top,
int * right,
int * bottom ) const

The purpose of this function is to make sure that widgets are not laid out outside its layout. E.g. the layoutItemRect margins are only meant to take of the surrounding margins/spacings. However, if the margin is 0, it can easily cover the area of a widget above it.

Definition at line 109 of file qboxlayout.cpp.

References bottomMargin, QBoxLayoutItem::item, leftMargin, rightMargin, and topMargin.

Referenced by setupGeom().

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◆ effectiveMargins() [2/2]

void QBoxLayoutPrivate::effectiveMargins ( int * left,
int * top,
int * right,
int * bottom ) const

◆ replaceAt() [1/2]

QLayoutItem * QBoxLayoutPrivate::replaceAt ( int index,
QLayoutItem * item )
overridevirtual

Reimplemented from QLayoutPrivate.

Definition at line 420 of file qboxlayout.cpp.

References QBoxLayoutItem::item.

◆ replaceAt() [2/2]

QLayoutItem * QBoxLayoutPrivate::replaceAt ( int index,
QLayoutItem *  )
overridevirtual

Reimplemented from QLayoutPrivate.

◆ setDirty() [1/2]

void QBoxLayoutPrivate::setDirty ( )
inline

Definition at line 63 of file qboxlayout.cpp.

References hfwHeight, and hfwWidth.

◆ setDirty() [2/2]

void QBoxLayoutPrivate::setDirty ( )
inline

Definition at line 63 of file qboxlayout.cpp.

◆ setupGeom() [1/2]

void QBoxLayoutPrivate::setupGeom ( )

Definition at line 242 of file qboxlayout.cpp.

References effectiveMargins(), QBoxLayoutItem::hStretch(), QBoxLayoutItem::item, QBoxLayoutItem::stretch, and QBoxLayoutItem::vStretch().

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◆ setupGeom() [2/2]

void QBoxLayoutPrivate::setupGeom ( )

◆ validateIndex() [1/2]

int QBoxLayoutPrivate::validateIndex ( int index) const

Definition at line 435 of file qboxlayout.cpp.

◆ validateIndex() [2/2]

int QBoxLayoutPrivate::validateIndex ( int index) const

Member Data Documentation

◆ bottomMargin

int QBoxLayoutPrivate::bottomMargin

Definition at line 78 of file qboxlayout.cpp.

Referenced by effectiveMargins().

◆ dir

QBoxLayout::Direction QBoxLayoutPrivate::dir

Definition at line 82 of file qboxlayout.cpp.

◆ dirty

uint QBoxLayoutPrivate::dirty

Definition at line 81 of file qboxlayout.cpp.

◆ expanding

Qt::Orientations QBoxLayoutPrivate::expanding

Definition at line 79 of file qboxlayout.cpp.

◆ geomArray

QList< QLayoutStruct > QBoxLayoutPrivate::geomArray

Definition at line 71 of file qboxlayout.cpp.

◆ hasHfw

uint QBoxLayoutPrivate::hasHfw

Definition at line 80 of file qboxlayout.cpp.

◆ hfwHeight

int QBoxLayoutPrivate::hfwHeight

Definition at line 73 of file qboxlayout.cpp.

Referenced by calcHfw(), and setDirty().

◆ hfwMinHeight

int QBoxLayoutPrivate::hfwMinHeight

Definition at line 74 of file qboxlayout.cpp.

Referenced by calcHfw().

◆ hfwWidth

int QBoxLayoutPrivate::hfwWidth

Definition at line 72 of file qboxlayout.cpp.

Referenced by calcHfw(), and setDirty().

◆ leftMargin

int QBoxLayoutPrivate::leftMargin

Definition at line 78 of file qboxlayout.cpp.

Referenced by effectiveMargins().

◆ list

QList< QBoxLayoutItem * > QBoxLayoutPrivate::list

Definition at line 70 of file qboxlayout.cpp.

◆ maxSize

QSize QBoxLayoutPrivate::maxSize

Definition at line 77 of file qboxlayout.cpp.

◆ minSize

QSize QBoxLayoutPrivate::minSize

Definition at line 76 of file qboxlayout.cpp.

◆ rightMargin

int QBoxLayoutPrivate::rightMargin

Definition at line 78 of file qboxlayout.cpp.

Referenced by effectiveMargins().

◆ sizeHint

QSize QBoxLayoutPrivate::sizeHint

Definition at line 75 of file qboxlayout.cpp.

◆ spacing

int QBoxLayoutPrivate::spacing

Definition at line 83 of file qboxlayout.cpp.

◆ topMargin

int QBoxLayoutPrivate::topMargin

Definition at line 78 of file qboxlayout.cpp.

Referenced by effectiveMargins().

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