#include <qlabel_p.h>

Inheritance diagram for QLabelPrivate:

Public Functions
void	_q_linkHovered (const QString &link)

void	_q_movieResized (const QSize &)

void	_q_movieUpdated (const QRect &)

void	clearContents ()
	Clears any contents, without updating/repainting the label. More...

QMenu *	createStandardContextMenu (const QPoint &pos)

QRect	documentRect () const

void	ensureTextControl () const

void	ensureTextLayouted () const

void	ensureTextPopulated () const

void	init ()

QPoint	layoutPoint (const QPoint &p) const

QRectF	layoutRect () const

bool	needTextControl () const

	QLabelPrivate ()

void	sendControlEvent (QEvent *e)

QSize	sizeForWidth (int w) const
	Returns the size that will be used if the width of the label is w. More...

Qt::LayoutDirection	textDirection () const

void	updateLabel ()
	Updates the label, but not the frame. More...

void	updateShortcut ()

Public Functions inherited from QFramePrivate
void	init ()

	QFramePrivate ()

void	updateFrameWidth ()
	Updated the frameWidth parameter. More...

void	updateStyledFrameWidths ()
	Updates the frame widths from the style. More...

Public Functions inherited from QWidgetPrivate
void	_q_showIfNotHidden ()

virtual void	aboutToDestroy ()

void	activateChildLayoutsRecursively ()

QSize	adjustedSize () const

void	adjustQuitOnCloseAttribute ()

QInputContext *	assignedInputContext () const

QPainter *	beginSharedPainter ()

QWidget *	childAt_helper (const QPoint &, bool) const

QWidget *	childAtRecursiveHelper (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)

QWindowSurface *	createDefaultWindowSurface ()

QWindowSurface *	createDefaultWindowSurface_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)

QWidget *	effectiveFocusWidget ()

QRect	effectiveRectFor (const QRect &rect) const

bool	endSharedPainter ()

void	enforceNativeChildren ()

QWExtra *	extraData () const

QRect	frameStrut () const

void	getLayoutItemMargins (int left, int top, int right, int bottom) const

const QRegion &	getOpaqueChildren () 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)

QInputContext *	inputContext () 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

QWidgetBackingStore *	maybeBackingStore () const

QTLWExtra *	maybeTopData () 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 ()

QPaintDevice *	redirected (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)

QPainter *	sharedPainter () 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)

QTLWExtra *	topData () 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
ushort	align

QPointer< QWidget >	buddy

QImage *	cachedimage

QTextControl *	control

QCursor	cursor

uint	hasShortcut: 1

short	indent

uint	isRichText: 1

uint	isTextLabel: 1

int	margin

QPointer< QMovie >	movie

QSize	msh

uint	onAnchor: 1

bool	openExternalLinks

QPicture *	picture

QPixmap *	pixmap

uint	scaledcontents:1

QPixmap *	scaledpixmap

QSize	sh

QTextCursor	shortcutCursor

int	shortcutId

QSizePolicy	sizePolicy

QString	text

uint	textDirty: 1

Qt::TextFormat	textformat

Qt::TextInteractionFlags	textInteractionFlags

uint	textLayoutDirty: 1

bool	valid_hints

uint	validCursor: 1

Public Variables inherited from QFramePrivate
short	bottomFrameWidth

int	frameStyle

short	frameWidth

QRect	frect

short	leftFrameWidth

short	lineWidth

short	midLineWidth

short	rightFrameWidth

short	topFrameWidth

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

QWExtra *	extra

QPaintEngine *	extraPaintEngine

QPalette::ColorRole	fg_role: 8

QWidget *	focus_child

QWidget *	focus_next

QWidget *	focus_prev

QMap< Qt::GestureType, Qt::GestureFlags >	gestureContext

QGraphicsEffect *	graphicsEffect

Qt::HANDLE	hd

uint	high_attributes [4]

QPointer< QInputContext >	ic

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

QLayout *	layout

signed char	leftLayoutItemMargin

short	leftmargin

QLocale	locale

QRegion *	needsFlush

QRegion	opaqueChildren

Qt::HANDLE	picture

const QMetaObject *	polished

QPaintDevice *	redirectDev

QPoint	redirectOffset

signed char	rightLayoutItemMargin

short	rightmargin

QSizePolicy	size_policy

QString	statusTip

QString	toolTip

signed char	topLayoutItemMargin

short	topmargin

uint	usesDoubleBufferedGLContext: 1

QString	whatsThis

QWidgetItemV2 *	widgetItem

QX11Info	xinfo

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

Friends
class	QMessageBoxPrivate

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 QGraphicsProxyWidget *	nearestGraphicsProxyWidget (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 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)

Static Public Variables inherited from QWidgetPrivate
static QWidgetSet *	allWidgets = 0

static int	instanceCounter = 0

static QWidget *	keyboardGrabber = 0

static QWidgetMapper *	mapper = 0

static int	maxInstances = 0

static QWidget *	mouseGrabber = 0

Detailed Description

Definition at line 71 of file qlabel_p.h.

Constructors and Destructors

◆ QLabelPrivate()

QLabelPrivate::QLabelPrivate ( )

inline

Definition at line 75 of file qlabel_p.h.

75 {}

Functions

◆ _q_linkHovered()

void QLabelPrivate::_q_linkHovered ( const QString & link )

Definition at line 1710 of file qlabel.cpp.

Referenced by needTextControl().

 {
     Q_Q(QLabel);
 #ifndef QT_NO_CURSOR
     if (anchor.isEmpty()) { // restore cursor
         if (validCursor)
             q->setCursor(cursor);
         else
             q->unsetCursor();
         onAnchor = false;
     } else if (!onAnchor) {
         validCursor = q->testAttribute(Qt::WA_SetCursor);
         if (validCursor) {
             cursor = q->cursor();
         }
         q->setCursor(Qt::PointingHandCursor);
         onAnchor = true;
     }
 #endif
     emit q->linkHovered(anchor);
 }

◆ _q_movieResized()

void QLabelPrivate::_q_movieResized ( const QSize & size )

Definition at line 1367 of file qlabel.cpp.

 {
     Q_Q(QLabel);
     q->update(); //we need to refresh the whole background in case the new size is smaler
     valid_hints = false;
     _q_movieUpdated(QRect(QPoint(0,0), size));
     q->updateGeometry();
 }

◆ _q_movieUpdated()

void QLabelPrivate::_q_movieUpdated ( const QRect & rect )

Definition at line 1344 of file qlabel.cpp.

 {
     Q_Q(QLabel);
     if (movie && movie->isValid()) {
         QRect r;
         if (scaledcontents) {
             QRect cr = q->contentsRect();
             QRect pixmapRect(cr.topLeft(), movie->currentPixmap().size());
             if (pixmapRect.isEmpty())
                 return;
             r.setRect(cr.left(), cr.top(),
                       (rect.width() * cr.width()) / pixmapRect.width(),
                       (rect.height() * cr.height()) / pixmapRect.height());
         } else {
             r = q->style()->itemPixmapRect(q->contentsRect(), align, movie->currentPixmap());
             r.translate(rect.x(), rect.y());
             r.setWidth(qMin(r.width(), rect.width()));
             r.setHeight(qMin(r.height(), rect.height()));
         }
         q->update(r);
     }
 }

◆ clearContents()

void QLabelPrivate::clearContents ( )

Clears any contents, without updating/repainting the label.

Warning: This function is not part of the public interface.

Definition at line 1414 of file qlabel.cpp.

Referenced by QLabelPrivate().

 {
     delete control;
     control = 0;
     isTextLabel = false;
     hasShortcut = false;
 
 #ifndef QT_NO_PICTURE
     delete picture;
     picture = 0;
 #endif
     delete scaledpixmap;
     scaledpixmap = 0;
     delete cachedimage;
     cachedimage = 0;
     delete pixmap;
     pixmap = 0;
 
     text.clear();
     Q_Q(QLabel);
 #ifndef QT_NO_SHORTCUT
     if (shortcutId)
         q->releaseShortcut(shortcutId);
     shortcutId = 0;
 #endif
 #ifndef QT_NO_MOVIE
     if (movie) {
         QObject::disconnect(movie, SIGNAL(resized(QSize)), q, SLOT(_q_movieResized(QSize)));
         QObject::disconnect(movie, SIGNAL(updated(QRect)), q, SLOT(_q_movieUpdated(QRect)));
     }
     movie = 0;
 #endif
 #ifndef QT_NO_CURSOR
     if (onAnchor) {
         if (validCursor)
             q->setCursor(cursor);
         else
             q->unsetCursor();
     }
     validCursor = false;
     onAnchor = false;
 #endif
 }

◆ createStandardContextMenu()

QMenu * QLabelPrivate::createStandardContextMenu ( const QPoint & pos )

Definition at line 1759 of file qlabel.cpp.

Referenced by needTextControl().

 {
     QString linkToCopy;
     QPoint p;
     if (control && isRichText) {
         p = layoutPoint(pos);
         linkToCopy = control->document()->documentLayout()->anchorAt(p);
     }
 
     if (linkToCopy.isEmpty() && !control)
         return 0;
 
     return control->createStandardContextMenu(p, q_func());
 }

◆ documentRect()

QRect QLabelPrivate::documentRect ( ) const

Definition at line 1587 of file qlabel.cpp.

Referenced by needTextControl().

 {
     Q_Q(const QLabel);
     Q_ASSERT_X(isTextLabel, "documentRect", "document rect called for label that is not a text label!");
     QRect cr = q->contentsRect();
     cr.adjust(margin, margin, -margin, -margin);
     const int align = QStyle::visualAlignment(isTextLabel ? textDirection()
                                                           : q->layoutDirection(), QFlag(this->align));
     int m = indent;
     if (m < 0 && q->frameWidth()) // no indent, but we do have a frame
         m = q->fontMetrics().width(QLatin1Char('x')) / 2 - margin;
     if (m > 0) {
         if (align & Qt::AlignLeft)
             cr.setLeft(cr.left() + m);
         if (align & Qt::AlignRight)
             cr.setRight(cr.right() - m);
         if (align & Qt::AlignTop)
             cr.setTop(cr.top() + m);
         if (align & Qt::AlignBottom)
             cr.setBottom(cr.bottom() - m);
     }
     return cr;
 }

◆ ensureTextControl()

void QLabelPrivate::ensureTextControl ( ) const

Definition at line 1676 of file qlabel.cpp.

Referenced by needTextControl().

 {
     Q_Q(const QLabel);
     if (!isTextLabel)
         return;
     if (!control) {
         control = new QTextControl(const_cast<QLabel *>(q));
         control->document()->setUndoRedoEnabled(false);
         control->document()->setDefaultFont(q->font());
         control->setTextInteractionFlags(textInteractionFlags);
         control->setOpenExternalLinks(openExternalLinks);
         control->setPalette(q->palette());
         control->setFocus(q->hasFocus());
         QObject::connect(control, SIGNAL(updateRequest(QRectF)),
                          q, SLOT(update()));
         QObject::connect(control, SIGNAL(linkHovered(QString)),
                          q, SLOT(_q_linkHovered(QString)));
         QObject::connect(control, SIGNAL(linkActivated(QString)),
                          q, SIGNAL(linkActivated(QString)));
         textLayoutDirty = true;
         textDirty = true;
     }
 }

◆ ensureTextLayouted()

void QLabelPrivate::ensureTextLayouted ( ) const

Definition at line 1650 of file qlabel.cpp.

Referenced by needTextControl().

 {
     if (!textLayoutDirty)
         return;
     ensureTextPopulated();
     if (control) {
         QTextDocument *doc = control->document();
         QTextOption opt = doc->defaultTextOption();
 
         opt.setAlignment(QFlag(this->align));
 
         if (this->align & Qt::TextWordWrap)
             opt.setWrapMode(QTextOption::WordWrap);
         else
             opt.setWrapMode(QTextOption::ManualWrap);
 
         doc->setDefaultTextOption(opt);
 
         QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
         fmt.setMargin(0);
         doc->rootFrame()->setFrameFormat(fmt);
         doc->setTextWidth(documentRect().width());
     }
     textLayoutDirty = false;
 }

◆ ensureTextPopulated()

void QLabelPrivate::ensureTextPopulated ( ) const

Definition at line 1611 of file qlabel.cpp.

Referenced by needTextControl().

 {
     if (!textDirty)
         return;
     if (control) {
         QTextDocument *doc = control->document();
         if (textDirty) {
 #ifndef QT_NO_TEXTHTMLPARSER
             if (isRichText)
                 doc->setHtml(text);
             else
                 doc->setPlainText(text);
 #else
             doc->setPlainText(text);
 #endif
             doc->setUndoRedoEnabled(false);
 
 #ifndef QT_NO_SHORTCUT
             if (hasShortcut) {
                 // Underline the first character that follows an ampersand (and remove the others ampersands)
                 int from = 0;
                 bool found = false;
                 QTextCursor cursor;
                 while (!(cursor = control->document()->find((QLatin1String("&")), from)).isNull()) {
                     cursor.deleteChar(); // remove the ampersand
                     cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
                     from = cursor.position();
                     if (!found && cursor.selectedText() != QLatin1String("&")) { //not a second &
                         found = true;
                         shortcutCursor = cursor;
                     }
                 }
             }
 #endif
         }
     }
     textDirty = false;
 }

◆ init()

void QLabelPrivate::init ( )

Definition at line 292 of file qlabel.cpp.

Referenced by QLabelPrivate().

 {
     Q_Q(QLabel);
 
     valid_hints = false;
     margin = 0;
 #ifndef QT_NO_MOVIE
     movie = 0;
 #endif
 #ifndef QT_NO_SHORTCUT
     shortcutId = 0;
 #endif
     pixmap = 0;
     scaledpixmap = 0;
     cachedimage = 0;
 #ifndef QT_NO_PICTURE
     picture = 0;
 #endif
     align = Qt::AlignLeft | Qt::AlignVCenter | Qt::TextExpandTabs;
     indent = -1;
     scaledcontents = false;
     textLayoutDirty = false;
     textDirty = false;
     textformat = Qt::AutoText;
     control = 0;
     textInteractionFlags = Qt::LinksAccessibleByMouse;
     isRichText = false;
     isTextLabel = false;
 
     q->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred,
                                  QSizePolicy::Label));
 
 #ifndef QT_NO_CURSOR
     validCursor = false;
     onAnchor = false;
 #endif
 
     openExternalLinks = false;
 
     setLayoutItemMargins(QStyle::SE_LabelLayoutItem);
 }

◆ layoutPoint()

QPoint QLabelPrivate::layoutPoint ( const QPoint & p ) const

Definition at line 1752 of file qlabel.cpp.

Referenced by needTextControl().

 {
     QRect lr = layoutRect().toRect();
     return p - lr.topLeft();
 }

◆ layoutRect()

QRectF QLabelPrivate::layoutRect ( ) const

Definition at line 1735 of file qlabel.cpp.

Referenced by needTextControl().

 {
     QRectF cr = documentRect();
     if (!control)
         return cr;
     ensureTextLayouted();
     // Caculate y position manually
     qreal rh = control->document()->documentLayout()->documentSize().height();
     qreal yo = 0;
     if (align & Qt::AlignVCenter)
         yo = qMax((cr.height()-rh)/2, qreal(0));
     else if (align & Qt::AlignBottom)
         yo = qMax(cr.height()-rh, qreal(0));
     return QRectF(cr.x(), yo + cr.y(), cr.width(), cr.height());
 }

◆ needTextControl()

bool QLabelPrivate::needTextControl ( ) const

inline

Definition at line 119 of file qlabel_p.h.

                                         {
         return isTextLabel
                && (isRichText
                    || (!isRichText && (textInteractionFlags & (Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard))));
     }

◆ sendControlEvent()

void QLabelPrivate::sendControlEvent ( QEvent * e )

Definition at line 1700 of file qlabel.cpp.

Referenced by needTextControl().

 {
     Q_Q(QLabel);
     if (!isTextLabel || !control || textInteractionFlags == Qt::NoTextInteraction) {
         e->ignore();
         return;
     }
     control->processEvent(e, -layoutRect().topLeft(), q);
 }

◆ sizeForWidth()

QSize QLabelPrivate::sizeForWidth ( int w ) const

Returns the size that will be used if the width of the label is w.

If w is -1, the sizeHint() is returned. If w is 0 minimumSizeHint() is returned

Definition at line 667 of file qlabel.cpp.

Referenced by QLabelPrivate().

 {
     Q_Q(const QLabel);
     if(q->minimumWidth() > 0)
         w = qMax(w, q->minimumWidth());
     QSize contentsMargin(leftmargin + rightmargin, topmargin + bottommargin);
 
     QRect br;
 
     int hextra = 2 * margin;
     int vextra = hextra;
     QFontMetrics fm = q->fontMetrics();
 
     if (pixmap && !pixmap->isNull())
         br = pixmap->rect();
 #ifndef QT_NO_PICTURE
     else if (picture && !picture->isNull())
         br = picture->boundingRect();
 #endif
 #ifndef QT_NO_MOVIE
     else if (movie && !movie->currentPixmap().isNull())
         br = movie->currentPixmap().rect();
 #endif
     else if (isTextLabel) {
         int align = QStyle::visualAlignment(textDirection(), QFlag(this->align));
         // Add indentation
         int m = indent;
 
         if (m < 0 && q->frameWidth()) // no indent, but we do have a frame
             m = fm.width(QLatin1Char('x')) - margin*2;
         if (m > 0) {
             if ((align & Qt::AlignLeft) || (align & Qt::AlignRight))
                 hextra += m;
             if ((align & Qt::AlignTop) || (align & Qt::AlignBottom))
                 vextra += m;
         }
 
         if (control) {
             ensureTextLayouted();
             const qreal oldTextWidth = control->textWidth();
             // Calculate the length of document if w is the width
             if (align & Qt::TextWordWrap) {
                 if (w >= 0) {
                     w = qMax(w-hextra-contentsMargin.width(), 0); // strip margin and indent
                     control->setTextWidth(w);
                 } else {
                     control->adjustSize();
                 }
             } else {
                 control->setTextWidth(-1);
             }
 
             QSizeF controlSize = control->size();
             br = QRect(QPoint(0, 0), QSize(qCeil(controlSize.width()), qCeil(controlSize.height())));
 
             // restore state
             control->setTextWidth(oldTextWidth);
         } else {
             // Turn off center alignment in order to avoid rounding errors for centering,
             // since centering involves a division by 2. At the end, all we want is the size.
             int flags = align & ~(Qt::AlignVCenter | Qt::AlignHCenter);
             if (hasShortcut) {
                 flags |= Qt::TextShowMnemonic;
                 QStyleOption opt;
                 opt.initFrom(q);
                 if (!q->style()->styleHint(QStyle::SH_UnderlineShortcut, &opt, q))
                     flags |= Qt::TextHideMnemonic;
             }
 
             bool tryWidth = (w < 0) && (align & Qt::TextWordWrap);
             if (tryWidth)
 #ifdef Q_OS_SYMBIAN
                 w = qMin(S60->clientRect().Width(), q->maximumSize().width());
 #else
                 w = qMin(fm.averageCharWidth() * 80, q->maximumSize().width());
 #endif
             else if (w < 0)
                 w = 2000;
             w -= (hextra + contentsMargin.width());
             br = fm.boundingRect(0, 0, w ,2000, flags, text);
             if (tryWidth && br.height() < 4*fm.lineSpacing() && br.width() > w/2)
                 br = fm.boundingRect(0, 0, w/2, 2000, flags, text);
             if (tryWidth && br.height() < 2*fm.lineSpacing() && br.width() > w/4)
                 br = fm.boundingRect(0, 0, w/4, 2000, flags, text);
         }
     } else {
         br = QRect(QPoint(0, 0), QSize(fm.averageCharWidth(), fm.lineSpacing()));
     }
 
     const QSize contentsSize(br.width() + hextra, br.height() + vextra);
     return (contentsSize + contentsMargin).expandedTo(q->minimumSize());
 }

◆ textDirection()

Qt::LayoutDirection QLabelPrivate::textDirection ( ) const

Definition at line 1564 of file qlabel.cpp.

Referenced by needTextControl().

 {
     if (control) {
         QTextOption opt = control->document()->defaultTextOption();
         return opt.textDirection();
     }
 
     return text.isRightToLeft() ? Qt::RightToLeft : Qt::LeftToRight;
 }

◆ updateLabel()

void QLabelPrivate::updateLabel ( )

Updates the label, but not the frame.

Definition at line 1253 of file qlabel.cpp.

Referenced by QLabelPrivate().

 {
     Q_Q(QLabel);
     valid_hints = false;
 
     if (isTextLabel) {
         QSizePolicy policy = q->sizePolicy();
         const bool wrap = align & Qt::TextWordWrap;
         policy.setHeightForWidth(wrap);
         if (policy != q->sizePolicy())  // ### should be replaced by WA_WState_OwnSizePolicy idiom
             q->setSizePolicy(policy);
         textLayoutDirty = true;
     }
     q->updateGeometry();
     q->update(q->contentsRect());
 }

◆ updateShortcut()

void QLabelPrivate::updateShortcut ( )

Definition at line 1325 of file qlabel.cpp.

 {
     Q_Q(QLabel);
     Q_ASSERT(shortcutId == 0);
     // Introduce an extra boolean to indicate the presence of a shortcut in the
     // text. We cannot use the shortcutId itself because on the mac mnemonics are
     // off by default, so QKeySequence::mnemonic always returns an empty sequence.
     // But then we do want to hide the ampersands, so we can't use shortcutId.
     hasShortcut = false;
 
     if (!text.contains(QLatin1Char('&')))
         return;
     hasShortcut = true;
     shortcutId = q->grabShortcut(QKeySequence::mnemonic(text));
 }

Friends and Related Functions

◆ QMessageBoxPrivate

friend class QMessageBoxPrivate

friend

Definition at line 148 of file qlabel_p.h.

Properties

◆ align

ushort QLabelPrivate::align

Definition at line 106 of file qlabel_p.h.

◆ buddy

QPointer<QWidget> QLabelPrivate::buddy

Definition at line 103 of file qlabel_p.h.

◆ cachedimage

QImage* QLabelPrivate::cachedimage

Definition at line 90 of file qlabel_p.h.

◆ control

QTextControl* QLabelPrivate::control

mutable

Definition at line 115 of file qlabel_p.h.

◆ cursor

QCursor QLabelPrivate::cursor

Definition at line 145 of file qlabel_p.h.

◆ hasShortcut

uint QLabelPrivate::hasShortcut

mutable

Definition at line 113 of file qlabel_p.h.

◆ indent

short QLabelPrivate::indent

Definition at line 107 of file qlabel_p.h.

◆ isRichText

uint QLabelPrivate::isRichText

mutable

Definition at line 111 of file qlabel_p.h.

Referenced by needTextControl().

◆ isTextLabel

uint QLabelPrivate::isTextLabel

mutable

Definition at line 112 of file qlabel_p.h.

Referenced by needTextControl().

◆ margin

int QLabelPrivate::margin

Definition at line 86 of file qlabel_p.h.

◆ movie

QPointer<QMovie> QLabelPrivate::movie

Definition at line 95 of file qlabel_p.h.

◆ msh

QSize QLabelPrivate::msh

mutable

Definition at line 83 of file qlabel_p.h.

◆ onAnchor

uint QLabelPrivate::onAnchor

Definition at line 144 of file qlabel_p.h.

◆ openExternalLinks

bool QLabelPrivate::openExternalLinks

Definition at line 140 of file qlabel_p.h.

◆ picture

QPicture* QLabelPrivate::picture

Definition at line 92 of file qlabel_p.h.

◆ pixmap

QPixmap* QLabelPrivate::pixmap

Definition at line 88 of file qlabel_p.h.

◆ scaledcontents

uint QLabelPrivate::scaledcontents

Definition at line 108 of file qlabel_p.h.

◆ scaledpixmap

QPixmap* QLabelPrivate::scaledpixmap

Definition at line 89 of file qlabel_p.h.

◆ sh

QSize QLabelPrivate::sh

mutable

Definition at line 82 of file qlabel_p.h.

◆ shortcutCursor

QTextCursor QLabelPrivate::shortcutCursor

mutable

Definition at line 116 of file qlabel_p.h.

◆ shortcutId

int QLabelPrivate::shortcutId

Definition at line 104 of file qlabel_p.h.

◆ sizePolicy

QSizePolicy QLabelPrivate::sizePolicy

mutable

Definition at line 85 of file qlabel_p.h.

◆ text

QString QLabelPrivate::text

Definition at line 87 of file qlabel_p.h.

◆ textDirty

uint QLabelPrivate::textDirty

mutable

Definition at line 110 of file qlabel_p.h.

◆ textformat

Qt::TextFormat QLabelPrivate::textformat

Definition at line 114 of file qlabel_p.h.

◆ textInteractionFlags

Qt::TextInteractionFlags QLabelPrivate::textInteractionFlags

Definition at line 117 of file qlabel_p.h.

◆ textLayoutDirty

uint QLabelPrivate::textLayoutDirty

mutable

Definition at line 109 of file qlabel_p.h.

◆ valid_hints

bool QLabelPrivate::valid_hints

mutable

Definition at line 84 of file qlabel_p.h.

◆ validCursor

uint QLabelPrivate::validCursor

Definition at line 143 of file qlabel_p.h.

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

/src/gui/widgets/qlabel_p.h
/src/gui/widgets/qlabel.cpp

Public Functions

Public Variables

Friends

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QLabelPrivate()

Functions

◆ _q_linkHovered()

◆ _q_movieResized()

◆ _q_movieUpdated()

◆ clearContents()

◆ createStandardContextMenu()

◆ documentRect()

◆ ensureTextControl()

◆ ensureTextLayouted()

◆ ensureTextPopulated()

◆ init()

◆ layoutPoint()

◆ layoutRect()

◆ needTextControl()

◆ sendControlEvent()

◆ sizeForWidth()

◆ textDirection()

◆ updateLabel()

◆ updateShortcut()

Friends and Related Functions

◆ QMessageBoxPrivate

Properties

◆ align

◆ buddy

◆ cachedimage

◆ control

◆ cursor

◆ hasShortcut

◆ indent

◆ isRichText

◆ isTextLabel

◆ margin

◆ movie

◆ msh

◆ onAnchor

◆ openExternalLinks

◆ picture

◆ pixmap

◆ scaledcontents

◆ scaledpixmap

◆ sh

◆ shortcutCursor

◆ shortcutId

◆ sizePolicy

◆ text

◆ textDirty

◆ textformat

◆ textInteractionFlags

◆ textLayoutDirty

◆ valid_hints

◆ validCursor