#include <qtextedit_p.h>

Inheritance diagram for QTextEditPrivate:

Public Functions
void	_q_adjustScrollbars ()

void	_q_currentCharFormatChanged (const QTextCharFormat &format)

void	_q_ensureVisible (const QRectF &rect)

void	_q_repaintContents (const QRectF &contentsRect)

void	createAutoBulletList ()

int	horizontalOffset () const

void	init (const QString &html=QString())

QPoint	mapToContents (const QPoint &point) const

void	pageUpDown (QTextCursor::MoveOperation op, QTextCursor::MoveMode moveMode)

void	paint (QPainter p, QPaintEvent e)

	QTextEditPrivate ()

void	relayoutDocument ()

virtual QUrl	resolveUrl (const QUrl &url) const

void	sendControlEvent (QEvent *e)

void	updateDefaultTextOption ()

int	verticalOffset () const

Public Functions inherited from QAbstractScrollAreaPrivate
void	_q_hslide (int)

void	_q_showOrHideScrollBars ()

void	_q_vslide (int)

virtual QPoint	contentsOffset () const

void	init ()

void	layoutChildren ()

	QAbstractScrollAreaPrivate ()

void	replaceScrollBar (QScrollBar *scrollBar, Qt::Orientation orientation)

virtual void	scrollBarPolicyChanged (Qt::Orientation, Qt::ScrollBarPolicy)

void	setSingleFingerPanEnabled (bool on=true)

bool	viewportEvent (QEvent *event)

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
QString	anchorToScrollToWhenVisible

QTextEdit::AutoFormatting	autoFormatting

QPoint	autoScrollDragPos

QBasicTimer	autoScrollTimer

uint	clickCausedFocus: 1

QTextControl *	control

uint	ignoreAutomaticScrollbarAdjustment: 1

uint	inDrag: 1

QTextEdit::LineWrapMode	lineWrap

int	lineWrapColumnOrWidth

uint	preferRichText: 1

uint	showCursorOnInitialShow: 1

bool	tabChangesFocus

Qt::TextFormat	textFormat

QTextOption::WrapMode	wordWrap

Public Variables inherited from QAbstractScrollAreaPrivate
int	bottom

QRect	cornerPaintingRect

QWidget *	cornerWidget

QScrollBar *	hbar

Qt::ScrollBarPolicy	hbarpolicy

int	left

QRect	reverseCornerPaintingRect

int	right

QAbstractScrollAreaScrollBarContainer *	scrollBarContainers [Qt::Vertical+1]

bool	singleFingerPanEnabled

int	top

QScrollBar *	vbar

Qt::ScrollBarPolicy	vbarpolicy

QWidget *	viewport

QScopedPointer< QObject >	viewportFilter

int	xoffset

int	yoffset

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

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 73 of file qtextedit_p.h.

Constructors and Destructors

◆ QTextEditPrivate()

QTextEditPrivate::QTextEditPrivate ( )

Definition at line 108 of file qtextedit.cpp.

     : control(0),
       autoFormatting(QTextEdit::AutoNone), tabChangesFocus(false),
       lineWrap(QTextEdit::WidgetWidth), lineWrapColumnOrWidth(0),
       wordWrap(QTextOption::WrapAtWordBoundaryOrAnywhere), clickCausedFocus(0),
       textFormat(Qt::AutoText)
 {
     ignoreAutomaticScrollbarAdjustment = false;
     preferRichText = false;
     showCursorOnInitialShow = true;
     inDrag = false;
 }

Functions

◆ _q_adjustScrollbars()

void QTextEditPrivate::_q_adjustScrollbars ( )

Definition at line 258 of file qtextedit.cpp.

Referenced by _q_ensureVisible(), init(), and mapToContents().

 {
     if (ignoreAutomaticScrollbarAdjustment)
         return;
     ignoreAutomaticScrollbarAdjustment = true; // avoid recursion, #106108
 
     QSize viewportSize = viewport->size();
     QSize docSize = documentSize(control);
 
     // due to the recursion guard we have to repeat this step a few times,
     // as adding/removing a scroll bar will cause the document or viewport
     // size to change
     // ideally we should loop until the viewport size and doc size stabilize,
     // but in corner cases they might fluctuate, so we need to limit the
     // number of iterations
     for (int i = 0; i < 4; ++i) {
         hbar->setRange(0, docSize.width() - viewportSize.width());
         hbar->setPageStep(viewportSize.width());
 
         vbar->setRange(0, docSize.height() - viewportSize.height());
         vbar->setPageStep(viewportSize.height());
 
         // if we are in left-to-right mode widening the document due to
         // lazy layouting does not require a repaint. If in right-to-left
         // the scroll bar has the value zero and it visually has the maximum
         // value (it is visually at the right), then widening the document
         // keeps it at value zero but visually adjusts it to the new maximum
         // on the right, hence we need an update.
         if (q_func()->isRightToLeft())
             viewport->update();
 
         _q_showOrHideScrollBars();
 
         const QSize oldViewportSize = viewportSize;
         const QSize oldDocSize = docSize;
 
         // make sure the document is layouted if the viewport width changes
         viewportSize = viewport->size();
         if (viewportSize.width() != oldViewportSize.width())
             relayoutDocument();
 
         docSize = documentSize(control);
         if (viewportSize == oldViewportSize && docSize == oldDocSize)
             break;
     }
     ignoreAutomaticScrollbarAdjustment = false;
 }

◆ _q_currentCharFormatChanged()

void QTextEditPrivate::_q_currentCharFormatChanged ( const QTextCharFormat & format )

Definition at line 1546 of file qtextedit.cpp.

Referenced by init(), and sendControlEvent().

 {
     Q_Q(QTextEdit);
     emit q->currentCharFormatChanged(fmt);
 #ifdef QT3_SUPPORT
     // compat signals
     emit q->currentFontChanged(fmt.font());
     emit q->currentColorChanged(fmt.foreground().color());
 #endif
 }

◆ _q_ensureVisible()

void QTextEditPrivate::_q_ensureVisible ( const QRectF & rect )

Definition at line 308 of file qtextedit.cpp.

Referenced by init(), and mapToContents().

 {
     const QRect rect = _rect.toRect();
     if ((vbar->isVisible() && vbar->maximum() < rect.bottom())
         || (hbar->isVisible() && hbar->maximum() < rect.right()))
         _q_adjustScrollbars();
     const int visibleWidth = viewport->width();
     const int visibleHeight = viewport->height();
     const bool rtl = q_func()->isRightToLeft();
 
     if (rect.x() < horizontalOffset()) {
         if (rtl)
             hbar->setValue(hbar->maximum() - rect.x());
         else
             hbar->setValue(rect.x());
     } else if (rect.x() + rect.width() > horizontalOffset() + visibleWidth) {
         if (rtl)
             hbar->setValue(hbar->maximum() - (rect.x() + rect.width() - visibleWidth));
         else
             hbar->setValue(rect.x() + rect.width() - visibleWidth);
     }
 
     if (rect.y() < verticalOffset())
         vbar->setValue(rect.y());
     else if (rect.y() + rect.height() > verticalOffset() + visibleHeight)
         vbar->setValue(rect.y() + rect.height() - visibleHeight);
 }

◆ _q_repaintContents()

void QTextEditPrivate::_q_repaintContents ( const QRectF & contentsRect )

Definition at line 193 of file qtextedit.cpp.

Referenced by init().

 {
     if (!contentsRect.isValid()) {
         viewport->update();
         return;
     }
     const int xOffset = horizontalOffset();
     const int yOffset = verticalOffset();
     const QRectF visibleRect(xOffset, yOffset, viewport->width(), viewport->height());
 
     QRect r = contentsRect.intersected(visibleRect).toAlignedRect();
     if (r.isEmpty())
         return;
 
     r.translate(-xOffset, -yOffset);
     viewport->update(r);
 }

◆ createAutoBulletList()

void QTextEditPrivate::createAutoBulletList ( )

Definition at line 121 of file qtextedit.cpp.

Referenced by mapToContents().

 {
     QTextCursor cursor = control->textCursor();
     cursor.beginEditBlock();
 
     QTextBlockFormat blockFmt = cursor.blockFormat();
 
     QTextListFormat listFmt;
     listFmt.setStyle(QTextListFormat::ListDisc);
     listFmt.setIndent(blockFmt.indent() + 1);
 
     blockFmt.setIndent(0);
     cursor.setBlockFormat(blockFmt);
 
     cursor.createList(listFmt);
 
     cursor.endEditBlock();
     control->setTextCursor(cursor);
 }

◆ horizontalOffset()

int QTextEditPrivate::horizontalOffset ( ) const

inline

Definition at line 93 of file qtextedit_p.h.

Referenced by _q_ensureVisible(), _q_repaintContents(), mapToContents(), and sendControlEvent().

94 { return q_func()->isRightToLeft() ? (hbar->maximum() - hbar->value()) : hbar->value(); }

QAbstractSlider::value

int value() const

QAbstractScrollAreaPrivate::hbar

QScrollBar * hbar

Definition: qabstractscrollarea_p.h:75

QAbstractSlider::maximum

int maximum() const

◆ init()

void QTextEditPrivate::init ( const QString & html = QString() )

Definition at line 141 of file qtextedit.cpp.

 {
     Q_Q(QTextEdit);
     control = new QTextEditControl(q);
     control->setPalette(q->palette());
 
     QObject::connect(control, SIGNAL(microFocusChanged()), q, SLOT(updateMicroFocus()));
     QObject::connect(control, SIGNAL(documentSizeChanged(QSizeF)), q, SLOT(_q_adjustScrollbars()));
     QObject::connect(control, SIGNAL(updateRequest(QRectF)), q, SLOT(_q_repaintContents(QRectF)));
     QObject::connect(control, SIGNAL(visibilityRequest(QRectF)), q, SLOT(_q_ensureVisible(QRectF)));
     QObject::connect(control, SIGNAL(currentCharFormatChanged(QTextCharFormat)),
                      q, SLOT(_q_currentCharFormatChanged(QTextCharFormat)));
 
     QObject::connect(control, SIGNAL(textChanged()), q, SIGNAL(textChanged()));
     QObject::connect(control, SIGNAL(undoAvailable(bool)), q, SIGNAL(undoAvailable(bool)));
     QObject::connect(control, SIGNAL(redoAvailable(bool)), q, SIGNAL(redoAvailable(bool)));
     QObject::connect(control, SIGNAL(copyAvailable(bool)), q, SIGNAL(copyAvailable(bool)));
     QObject::connect(control, SIGNAL(selectionChanged()), q, SIGNAL(selectionChanged()));
     QObject::connect(control, SIGNAL(cursorPositionChanged()), q, SIGNAL(cursorPositionChanged()));
 
     QObject::connect(control, SIGNAL(textChanged()), q, SLOT(updateMicroFocus()));
 
     QTextDocument *doc = control->document();
     // set a null page size initially to avoid any relayouting until the textedit
     // is shown. relayoutDocument() will take care of setting the page size to the
     // viewport dimensions later.
     doc->setPageSize(QSize(0, 0));
     doc->documentLayout()->setPaintDevice(viewport);
     doc->setDefaultFont(q->font());
     doc->setUndoRedoEnabled(false); // flush undo buffer.
     doc->setUndoRedoEnabled(true);
 
     if (!html.isEmpty())
         control->setHtml(html);
 
     hbar->setSingleStep(20);
     vbar->setSingleStep(20);
 
     viewport->setBackgroundRole(QPalette::Base);
     q->setAcceptDrops(true);
     q->setFocusPolicy(Qt::WheelFocus);
     q->setAttribute(Qt::WA_KeyCompression);
     q->setAttribute(Qt::WA_InputMethodEnabled);
 
 #ifndef QT_NO_CURSOR
     viewport->setCursor(Qt::IBeamCursor);
 #endif
 #ifdef Q_WS_WIN
     setSingleFingerPanEnabled(true);
 #endif
 }

◆ mapToContents()

QPoint QTextEditPrivate::mapToContents ( const QPoint & point ) const

inline

Definition at line 83 of file qtextedit_p.h.

84 { return QPoint(point.x() + horizontalOffset(), point.y() + verticalOffset()); }

QTextEditPrivate::horizontalOffset

int horizontalOffset() const

Definition: qtextedit_p.h:93

QPoint

The QPoint class defines a point in the plane using integer precision.

Definition: qpoint.h:53

QTextEditPrivate::verticalOffset

int verticalOffset() const

Definition: qtextedit_p.h:95

QPoint::y

int y() const

Returns the y coordinate of this point.

Definition: qpoint.h:131

QPoint::x

int x() const

Returns the x coordinate of this point.

Definition: qpoint.h:128

◆ pageUpDown()

void QTextEditPrivate::pageUpDown	(	QTextCursor::MoveOperation	op,
		QTextCursor::MoveMode	moveMode
	)

Definition at line 211 of file qtextedit.cpp.

Referenced by mapToContents().

 {
     QTextCursor cursor = control->textCursor();
     bool moved = false;
     qreal lastY = control->cursorRect(cursor).top();
     qreal distance = 0;
     // move using movePosition to keep the cursor's x
     do {
         qreal y = control->cursorRect(cursor).top();
         distance += qAbs(y - lastY);
         lastY = y;
         moved = cursor.movePosition(op, moveMode);
     } while (moved && distance < viewport->height());
 
     if (moved) {
         if (op == QTextCursor::Up) {
             cursor.movePosition(QTextCursor::Down, moveMode);
             vbar->triggerAction(QAbstractSlider::SliderPageStepSub);
         } else {
             cursor.movePosition(QTextCursor::Up, moveMode);
             vbar->triggerAction(QAbstractSlider::SliderPageStepAdd);
         }
     }
     control->setTextCursor(cursor);
 }

◆ paint()

void QTextEditPrivate::paint	(	QPainter *	p,
		QPaintEvent *	e
	)

Definition at line 1508 of file qtextedit.cpp.

 {
     const int xOffset = horizontalOffset();
     const int yOffset = verticalOffset();
 
     QRect r = e->rect();
     p->translate(-xOffset, -yOffset);
     r.translate(xOffset, yOffset);
 
     QTextDocument *doc = control->document();
     QTextDocumentLayout *layout = qobject_cast<QTextDocumentLayout *>(doc->documentLayout());
 
     // the layout might need to expand the root frame to
     // the viewport if NoWrap is set
     if (layout)
         layout->setViewport(viewport->rect());
 
     control->drawContents(p, r, q_func());
 
     if (layout)
         layout->setViewport(QRect());
 }

◆ relayoutDocument()

void QTextEditPrivate::relayoutDocument ( )

Definition at line 1434 of file qtextedit.cpp.

Referenced by _q_adjustScrollbars(), and mapToContents().

 {
     QTextDocument *doc = control->document();
     QAbstractTextDocumentLayout *layout = doc->documentLayout();
 
     if (QTextDocumentLayout *tlayout = qobject_cast<QTextDocumentLayout *>(layout)) {
         if (lineWrap == QTextEdit::FixedColumnWidth)
             tlayout->setFixedColumnWidth(lineWrapColumnOrWidth);
         else
             tlayout->setFixedColumnWidth(-1);
     }
 
     QTextDocumentLayout *tlayout = qobject_cast<QTextDocumentLayout *>(layout);
     QSize lastUsedSize;
     if (tlayout)
         lastUsedSize = tlayout->dynamicDocumentSize().toSize();
     else
         lastUsedSize = layout->documentSize().toSize();
 
     // ignore calls to _q_adjustScrollbars caused by an emission of the
     // usedSizeChanged() signal in the layout, as we're calling it
     // later on our own anyway (or deliberately not) .
     const bool oldIgnoreScrollbarAdjustment = ignoreAutomaticScrollbarAdjustment;
     ignoreAutomaticScrollbarAdjustment = true;
 
     int width = viewport->width();
     if (lineWrap == QTextEdit::FixedPixelWidth)
         width = lineWrapColumnOrWidth;
     else if (lineWrap == QTextEdit::NoWrap) {
         QVariant alignmentProperty = doc->documentLayout()->property("contentHasAlignment");
         if (alignmentProperty.type() == QVariant::Bool && !alignmentProperty.toBool()) {
 
             width = 0;
         }
     }
 
     doc->setPageSize(QSize(width, -1));
     if (tlayout)
         tlayout->ensureLayouted(verticalOffset() + viewport->height());
 
     ignoreAutomaticScrollbarAdjustment = oldIgnoreScrollbarAdjustment;
 
     QSize usedSize;
     if (tlayout)
         usedSize = tlayout->dynamicDocumentSize().toSize();
     else
         usedSize = layout->documentSize().toSize();
 
     // this is an obscure situation in the layout that can happen:
     // if a character at the end of a line is the tallest one and therefore
     // influencing the total height of the line and the line right below it
     // is always taller though, then it can happen that if due to line breaking
     // that tall character wraps into the lower line the document not only shrinks
     // horizontally (causing the character to wrap in the first place) but also
     // vertically, because the original line is now smaller and the one below kept
     // its size. So a layout with less width _can_ take up less vertical space, too.
     // If the wider case causes a vertical scroll bar to appear and the narrower one
     // (narrower because the vertical scroll bar takes up horizontal space)) to disappear
     // again then we have an endless loop, as _q_adjustScrollBars sets new ranges on the
     // scroll bars, the QAbstractScrollArea will find out about it and try to show/hide
     // the scroll bars again. That's why we try to detect this case here and break out.
     //
     // (if you change this please also check the layoutingLoop() testcase in
     // QTextEdit's autotests)
     if (lastUsedSize.isValid()
         && !vbar->isHidden()
         && viewport->width() < lastUsedSize.width()
         && usedSize.height() < lastUsedSize.height()
         && usedSize.height() <= viewport->height())
         return;
 
     _q_adjustScrollbars();
 }

◆ resolveUrl()

virtual QUrl QTextEditPrivate::resolveUrl ( const QUrl & url ) const

inlinevirtual

Reimplemented in QTextBrowserPrivate.

Definition at line 106 of file qtextedit_p.h.

107 { return url; }

◆ sendControlEvent()

void QTextEditPrivate::sendControlEvent ( QEvent * e )

inline

Definition at line 98 of file qtextedit_p.h.

99 { control->processEvent(e, QPointF(horizontalOffset(), verticalOffset()), viewport); }

QTextEditPrivate::horizontalOffset

int horizontalOffset() const

Definition: qtextedit_p.h:93

QPointF

The QPointF class defines a point in the plane using floating point precision.

Definition: qpoint.h:214

QTextControl::processEvent

virtual void processEvent(QEvent *e, const QMatrix &matrix, QWidget *contextWidget=0)

Definition: qtextcontrol.cpp:910

QAbstractScrollAreaPrivate::viewport

QWidget * viewport

Definition: qabstractscrollarea_p.h:78

QTextEditPrivate::control

QTextControl * control

Definition: qtextedit_p.h:109

QTextEditPrivate::verticalOffset

int verticalOffset() const

Definition: qtextedit_p.h:95

◆ updateDefaultTextOption()

void QTextEditPrivate::updateDefaultTextOption ( )

Definition at line 1557 of file qtextedit.cpp.

Referenced by sendControlEvent().

 {
     QTextDocument *doc = control->document();
 
     QTextOption opt = doc->defaultTextOption();
     QTextOption::WrapMode oldWrapMode = opt.wrapMode();
 
     if (lineWrap == QTextEdit::NoWrap)
         opt.setWrapMode(QTextOption::NoWrap);
     else
         opt.setWrapMode(wordWrap);
 
     if (opt.wrapMode() != oldWrapMode)
         doc->setDefaultTextOption(opt);
 }

◆ verticalOffset()

int QTextEditPrivate::verticalOffset ( ) const

inline

Definition at line 95 of file qtextedit_p.h.

Referenced by _q_ensureVisible(), _q_repaintContents(), mapToContents(), and sendControlEvent().

96 { return vbar->value(); }

QAbstractSlider::value

int value() const

QAbstractScrollAreaPrivate::vbar

QScrollBar * vbar

Definition: qabstractscrollarea_p.h:75

Properties

◆ anchorToScrollToWhenVisible

QString QTextEditPrivate::anchorToScrollToWhenVisible

Definition at line 130 of file qtextedit_p.h.

◆ autoFormatting

QTextEdit::AutoFormatting QTextEditPrivate::autoFormatting

Definition at line 111 of file qtextedit_p.h.

◆ autoScrollDragPos

QPoint QTextEditPrivate::autoScrollDragPos

Definition at line 115 of file qtextedit_p.h.

◆ autoScrollTimer

QBasicTimer QTextEditPrivate::autoScrollTimer

Definition at line 114 of file qtextedit_p.h.

◆ clickCausedFocus

uint QTextEditPrivate::clickCausedFocus

Definition at line 125 of file qtextedit_p.h.

◆ control

QTextControl* QTextEditPrivate::control

Definition at line 109 of file qtextedit_p.h.

Referenced by _q_adjustScrollbars(), createAutoBulletList(), QTextBrowserPrivate::createHistoryEntry(), QTextBrowserPrivate::init(), init(), pageUpDown(), QTextBrowserPrivate::restoreHistoryEntry(), sendControlEvent(), and QTextBrowserPrivate::setSource().

◆ ignoreAutomaticScrollbarAdjustment

uint QTextEditPrivate::ignoreAutomaticScrollbarAdjustment

Definition at line 121 of file qtextedit_p.h.

Referenced by _q_adjustScrollbars(), and QTextEditPrivate().

◆ inDrag

uint QTextEditPrivate::inDrag

Definition at line 124 of file qtextedit_p.h.

Referenced by QTextEditPrivate().

◆ lineWrap

QTextEdit::LineWrapMode QTextEditPrivate::lineWrap

Definition at line 117 of file qtextedit_p.h.

◆ lineWrapColumnOrWidth

int QTextEditPrivate::lineWrapColumnOrWidth

Definition at line 118 of file qtextedit_p.h.

◆ preferRichText

uint QTextEditPrivate::preferRichText

Definition at line 122 of file qtextedit_p.h.

Referenced by QTextEditPrivate().

◆ showCursorOnInitialShow

uint QTextEditPrivate::showCursorOnInitialShow

Definition at line 123 of file qtextedit_p.h.

Referenced by QTextEditPrivate().

◆ tabChangesFocus

bool QTextEditPrivate::tabChangesFocus

Definition at line 112 of file qtextedit_p.h.

◆ textFormat

Qt::TextFormat QTextEditPrivate::textFormat

Definition at line 128 of file qtextedit_p.h.

◆ wordWrap

QTextOption::WrapMode QTextEditPrivate::wordWrap

Definition at line 119 of file qtextedit_p.h.

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

/src/gui/widgets/qtextedit_p.h
/src/gui/widgets/qtextedit.cpp

Public Functions

Public Variables

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QTextEditPrivate()

Functions

◆ _q_adjustScrollbars()

◆ _q_currentCharFormatChanged()

◆ _q_ensureVisible()

◆ _q_repaintContents()

◆ createAutoBulletList()

◆ horizontalOffset()

◆ init()

◆ mapToContents()

◆ pageUpDown()

◆ paint()

◆ relayoutDocument()

◆ resolveUrl()

◆ sendControlEvent()

◆ updateDefaultTextOption()

◆ verticalOffset()

Properties

◆ anchorToScrollToWhenVisible

◆ autoFormatting

◆ autoScrollDragPos

◆ autoScrollTimer

◆ clickCausedFocus

◆ control

◆ ignoreAutomaticScrollbarAdjustment

◆ inDrag

◆ lineWrap

◆ lineWrapColumnOrWidth

◆ preferRichText

◆ showCursorOnInitialShow

◆ tabChangesFocus

◆ textFormat

◆ wordWrap