QLayoutPrivate Class Reference

#include <qlayout_p.h>

Inheritance diagram for QLayoutPrivate:

Collaboration diagram for QLayoutPrivate:

Public Types
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 >

Public Member Functions
	QLayoutPrivate ()
void	getMargin (int *result, 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.
virtual QLayoutItem *	replaceAt (int, QLayoutItem *)
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

Static Public Member Functions
static QWidgetItem *	createWidgetItem (const QLayout *layout, QWidget *widget)
static QSpacerItem *	createSpacerItem (const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy=QSizePolicy::Minimum, QSizePolicy::Policy vPolicy=QSizePolicy::Minimum)
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)

Public Attributes
int	insideSpacing
int	userLeftMargin
int	userTopMargin
int	userRightMargin
int	userBottomMargin
uint	topLevel: 1
uint	enabled: 1
uint	activated: 1
uint	autoNewChild: 1
QLayout::SizeConstraint	constraint
QRect	rect
QWidget *	menubar
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

Static Public Attributes
static QWidgetItemFactoryMethod	widgetItemFactoryMethod = nullptr
static QSpacerItemFactoryMethod	spacerItemFactoryMethod = nullptr

Detailed Description

Definition at line 29 of file qlayout_p.h.

Member Typedef Documentation

QSpacerItemFactoryMethod

typedef QSpacerItem *(* QLayoutPrivate::QSpacerItemFactoryMethod) (const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy, QSizePolicy::Policy)

Definition at line 35 of file qlayout_p.h.

QWidgetItemFactoryMethod

typedef QWidgetItem *(* QLayoutPrivate::QWidgetItemFactoryMethod) (const QLayout *layout, QWidget *widget)

Definition at line 34 of file qlayout_p.h.

Constructor & Destructor Documentation

QLayoutPrivate()

QLayoutPrivate::QLayoutPrivate

(

)

Definition at line 119 of file qlayout.cpp.

Member Function Documentation

checkLayout()

bool QLayoutPrivate::checkLayout

(

QLayout *

otherLayout

)

const

Returns true if the otherLayout can be added to the layout; otherwise returns false.

Definition at line 811 of file qlayout.cpp.

References Q_UNLIKELY, qUtf16Printable, and qWarning.

checkWidget()

bool QLayoutPrivate::checkWidget

(

QWidget *

widget

)

const

Returns true if the widget can be added to the layout; otherwise returns false.

Definition at line 790 of file qlayout.cpp.

References QObject::objectName, QWidget::parentWidget(), Q_UNLIKELY, qUtf16Printable, qWarning, and widget.

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createSpacerItem()

QSpacerItem * QLayoutPrivate::createSpacerItem ( const QLayout *  layout, int  w, int  h, QSizePolicy::Policy  hPolicy = QSizePolicy::Minimum, QSizePolicy::Policy  vPolicy = QSizePolicy::Minimum  )

static

Definition at line 156 of file qlayout.cpp.

References layout, and spacerItemFactoryMethod.

Referenced by QBoxLayout::addStrut(), QBoxLayout::insertSpacing(), and QBoxLayout::insertStretch().

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createWidgetItem()

QWidgetItem * QLayoutPrivate::createWidgetItem ( const QLayout *  layout, QWidget *  widget  )

static

Definition at line 148 of file qlayout.cpp.

References layout, widget, and widgetItemFactoryMethod.

Referenced by QGridBox::QGridBox(), QGridLayout::addWidget(), QLayout::addWidget(), QStackedLayout::insertWidget(), QBoxLayout::insertWidget(), and QFormLayoutPrivate::setWidget().

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doResize()

void QLayoutPrivate::doResize

(

)

Definition at line 498 of file qlayout.cpp.

References QWidget::contentsRect(), QRect::left(), menubar, menuBarHeightForWidth(), QWidget::parentWidget(), rect, QWidget::rect, QWidget::setGeometry(), QRect::setTop(), QWidget::testAttribute(), QRect::top(), Qt::WA_LayoutOnEntireRect, and QRect::width().

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getMargin()

void QLayoutPrivate::getMargin	(	int *	result,
		int	userMargin,
		QStyle::PixelMetric	pm
	)		const

Definition at line 126 of file qlayout.cpp.

References QWidget::parentWidget(), and topLevel.

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reparentChildWidgets()

void QLayoutPrivate::reparentChildWidgets

(

QWidget *

mw

)

Definition at line 754 of file qlayout.cpp.

References i, QMetaObject::invokeMethod(), QWidget::isVisible(), item, menubar, QWidget::parentWidget(), Q_UNLIKELY, Qt::QueuedConnection, qUtf16Printable, qWarning, QWidget::setParent(), and Qt::WA_WState_ExplicitShowHide.

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replaceAt()

virtual QLayoutItem * QLayoutPrivate::replaceAt ( int  , QLayoutItem *    )

inlinevirtual

Reimplemented in QBoxLayoutPrivate, QFormLayoutPrivate, QGridLayoutPrivate, and QStackedLayoutPrivate.

Definition at line 47 of file qlayout_p.h.

Member Data Documentation

activated

uint QLayoutPrivate::activated

Definition at line 59 of file qlayout_p.h.

autoNewChild

uint QLayoutPrivate::autoNewChild

Definition at line 60 of file qlayout_p.h.

constraint

QLayout::SizeConstraint QLayoutPrivate::constraint

Definition at line 61 of file qlayout_p.h.

enabled

uint QLayoutPrivate::enabled

Definition at line 58 of file qlayout_p.h.

insideSpacing

int QLayoutPrivate::insideSpacing

Definition at line 52 of file qlayout_p.h.

menubar

QWidget* QLayoutPrivate::menubar

Definition at line 63 of file qlayout_p.h.

Referenced by doResize(), and reparentChildWidgets().

rect

QRect QLayoutPrivate::rect

Definition at line 62 of file qlayout_p.h.

Referenced by QFormLayoutPrivate::arrangeWidgets(), QGridLayoutPrivate::distribute(), and doResize().

spacerItemFactoryMethod

QLayoutPrivate::QSpacerItemFactoryMethod QLayoutPrivate::spacerItemFactoryMethod = nullptr

static

Definition at line 50 of file qlayout_p.h.

Referenced by createSpacerItem().

topLevel

uint QLayoutPrivate::topLevel

Definition at line 57 of file qlayout_p.h.

Referenced by getMargin().

userBottomMargin

int QLayoutPrivate::userBottomMargin

Definition at line 56 of file qlayout_p.h.

userLeftMargin

int QLayoutPrivate::userLeftMargin

Definition at line 53 of file qlayout_p.h.

userRightMargin

int QLayoutPrivate::userRightMargin

Definition at line 55 of file qlayout_p.h.

userTopMargin

int QLayoutPrivate::userTopMargin

Definition at line 54 of file qlayout_p.h.

widgetItemFactoryMethod

QLayoutPrivate::QWidgetItemFactoryMethod QLayoutPrivate::widgetItemFactoryMethod = nullptr

static

Definition at line 49 of file qlayout_p.h.

Referenced by createWidgetItem().

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

• qtbase/src/widgets/kernel/qlayout_p.h
• qtbase/src/widgets/kernel/qlayout.cpp