QLayoutPrivate Class Reference

#include <qlayout_p.h>

Inheritance diagram for QLayoutPrivate:

Public Types
typedef QSpacerItem *(*	QSpacerItemFactoryMethod) (const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy, QSizePolicy::Policy)
typedef QWidgetItem *(*	QWidgetItemFactoryMethod) (const QLayout *layout, QWidget *widget)
Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)

Public Functions
void	doResize (const QSize &)
void	getMargin (int *result, int userMargin, QStyle::PixelMetric pm) const
	QLayoutPrivate ()
void	reparentChildWidgets (QWidget *mw)
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

Static Public Functions
static QSpacerItem *	createSpacerItem (const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy=QSizePolicy::Minimum, QSizePolicy::Policy vPolicy=QSizePolicy::Minimum)
static QWidgetItem *	createWidgetItem (const QLayout *layout, QWidget *widget)
Static Public Functions inherited from QObjectPrivate
static void	clearGuards (QObject *)
static QObjectPrivate *	get (QObject *o)
static void	resetCurrentSender (QObject *receiver, Sender *currentSender, Sender *previousSender)
static Sender *	setCurrentSender (QObject *receiver, Sender *sender)
static void	signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)

Public Variables
uint	activated: 1
uint	autoNewChild: 1
QLayout::SizeConstraint	constraint
uint	enabled: 1
int	insideSpacing
QWidget *	menubar
QRect	rect
uint	topLevel: 1
int	userBottomMargin
int	userLeftMargin
int	userRightMargin
int	userTopMargin
Public Variables inherited from QObjectPrivate
union {
QObject *   currentChildBeingDeleted
QAbstractDeclarativeData *   declarativeData
};
quint32	connectedSignals [2]
QObjectConnectionListVector *	connectionLists
Sender *	currentSender
QList< QPointer< QObject > >	eventFilters
ExtraData *	extraData
QString	objectName
Connection *	senders
QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount
QThreadData *	threadData
void *	unused
Public Variables inherited from QObjectData
uint	blockSig: 1
QObjectList	children
uint	hasGuards: 1
uint	inEventHandler: 1
uint	inThreadChangeEvent: 1
uint	isWidget: 1
QMetaObject *	metaObject
uint	ownObjectName: 1
QObject *	parent
uint	pendTimer: 1
int	postedEvents
QObject *	q_ptr
uint	receiveChildEvents: 1
uint	sendChildEvents: 1
uint	unused: 22
uint	wasDeleted: 1

Static Public Variables
static QSpacerItemFactoryMethod	spacerItemFactoryMethod = 0
static QWidgetItemFactoryMethod	widgetItemFactoryMethod = 0

Detailed Description

Definition at line 65 of file qlayout_p.h.

Typedefs

QSpacerItemFactoryMethod

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

Definition at line 71 of file qlayout_p.h.

QWidgetItemFactoryMethod

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

Definition at line 70 of file qlayout_p.h.

Constructors and Destructors

QLayoutPrivate()

QLayoutPrivate::QLayoutPrivate

(

)

Definition at line 161 of file qlayout.cpp.

    : QObjectPrivate(), insideSpacing(-1), userLeftMargin(-1), userTopMargin(-1), userRightMargin(-1),
      userBottomMargin(-1), topLevel(false), enabled(true), activated(true), autoNewChild(false),
      constraint(QLayout::SetDefaultConstraint), menubar(0)
{
}

Functions

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 198 of file qlayout.cpp.

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

{
    if (spacerItemFactoryMethod)
        if (QSpacerItem *si = (*spacerItemFactoryMethod)(layout, w, h, hPolicy, vPolicy))
            return si;
    return new QSpacerItem(w, h,  hPolicy, vPolicy);
}

createWidgetItem()

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

static

Definition at line 190 of file qlayout.cpp.

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

{
    if (widgetItemFactoryMethod)
        if (QWidgetItem *wi = (*widgetItemFactoryMethod)(layout, widget))
            return wi;
    return new QWidgetItemV2(widget);
}

doResize()

void QLayoutPrivate::doResize

(

const QSize &

r

)

Definition at line 702 of file qlayout.cpp.

{
    Q_Q(QLayout);
    int mbh = menuBarHeightForWidth(menubar, r.width());
    QWidget *mw = q->parentWidget();
    QRect rect = mw->testAttribute(Qt::WA_LayoutOnEntireRect) ? mw->rect() : mw->contentsRect();
    rect.setTop(rect.top() + mbh);
    q->setGeometry(rect);
#ifndef QT_NO_MENUBAR
    if (menubar)
        menubar->setGeometry(0,0,r.width(), mbh);
#endif
}

getMargin()

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

Definition at line 168 of file qlayout.cpp.

{
    if (!result)
        return;

    Q_Q(const QLayout);
    if (userMargin >= 0) {
        *result = userMargin;
    } else if (!topLevel) {
        *result = 0;
    } else if (QWidget *pw = q->parentWidget()) {
        *result = pw->style()->pixelMetric(pm, 0, pw);
    } else {
        *result = 0;
    }
}

reparentChildWidgets()

void QLayoutPrivate::reparentChildWidgets

(

QWidget *

mw

)

Definition at line 1005 of file qlayout.cpp.

{
    Q_Q(QLayout);
    int n =  q->count();

#ifndef QT_NO_MENUBAR
    if (menubar && menubar->parentWidget() != mw) {
        menubar->setParent(mw);
    }
#endif
    bool mwVisible = mw && mw->isVisible();
    for (int i = 0; i < n; ++i) {
        QLayoutItem *item = q->itemAt(i);
        if (QWidget *w = item->widget()) {
            QWidget *pw = w->parentWidget();
#ifdef QT_DEBUG
            if (pw && pw != mw && layoutDebug()) {
                qWarning("QLayout::addChildLayout: widget %s \"%s\" in wrong parent; moved to correct parent",
                         w->metaObject()->className(), w->objectName().toLocal8Bit().data());
            }
#endif
            bool needShow = mwVisible && !(w->isHidden() && w->testAttribute(Qt::WA_WState_ExplicitShowHide));
            if (pw != mw)
                w->setParent(mw);
            if (needShow)
                QMetaObject::invokeMethod(w, "_q_showIfNotHidden", Qt::QueuedConnection); //show later
        } else if (QLayout *l = item->layout()) {
            l->d_func()->reparentChildWidgets(mw);
        }
    }
}

Properties

activated

uint QLayoutPrivate::activated

Definition at line 92 of file qlayout_p.h.

autoNewChild

uint QLayoutPrivate::autoNewChild

Definition at line 93 of file qlayout_p.h.

constraint

QLayout::SizeConstraint QLayoutPrivate::constraint

Definition at line 94 of file qlayout_p.h.

Referenced by QLayout::setSizeConstraint().

enabled

uint QLayoutPrivate::enabled

Definition at line 91 of file qlayout_p.h.

insideSpacing

int QLayoutPrivate::insideSpacing

Definition at line 85 of file qlayout_p.h.

menubar

QWidget* QLayoutPrivate::menubar

Definition at line 96 of file qlayout_p.h.

Referenced by doResize(), and reparentChildWidgets().

rect

QRect QLayoutPrivate::rect

Definition at line 95 of file qlayout_p.h.

Referenced by doResize().

spacerItemFactoryMethod

QLayoutPrivate::QSpacerItemFactoryMethod QLayoutPrivate::spacerItemFactoryMethod = 0

static

Definition at line 83 of file qlayout_p.h.

Referenced by createSpacerItem(), and getMargin().

topLevel

uint QLayoutPrivate::topLevel

Definition at line 90 of file qlayout_p.h.

Referenced by getMargin().

userBottomMargin

int QLayoutPrivate::userBottomMargin

Definition at line 89 of file qlayout_p.h.

userLeftMargin

int QLayoutPrivate::userLeftMargin

Definition at line 86 of file qlayout_p.h.

userRightMargin

int QLayoutPrivate::userRightMargin

Definition at line 88 of file qlayout_p.h.

userTopMargin

int QLayoutPrivate::userTopMargin

Definition at line 87 of file qlayout_p.h.

widgetItemFactoryMethod

QLayoutPrivate::QWidgetItemFactoryMethod QLayoutPrivate::widgetItemFactoryMethod = 0

static

Definition at line 82 of file qlayout_p.h.

Referenced by createWidgetItem(), and getMargin().

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

• /src/gui/kernel/qlayout_p.h
• /src/gui/kernel/qlayout.cpp