QQuickTextNodeEngine Class Reference

#include <qquicktextnodeengine_p.h>

Collaboration diagram for QQuickTextNodeEngine:

Classes
struct	BinaryTreeNode
struct	BinaryTreeNodeKey

Public Types
enum	Decoration {   NoDecoration = 0x0 , Underline = 0x1 , Overline = 0x2 , StrikeOut = 0x4 ,   Background = 0x8 }
enum	SelectionState { Unselected , Selected }

Public Member Functions
	QQuickTextNodeEngine ()
bool	hasContents () const
void	addTextBlock (QTextDocument *, const QTextBlock &, const QPointF &position, const QColor &textColor, const QColor &anchorColor, int selectionStart, int selectionEnd, const QRectF &viewport=QRectF())
QTextLine	currentLine () const
void	setCurrentLine (const QTextLine &currentLine)
void	setCurrentTextDirection (Qt::LayoutDirection textDirection)
void	addBorder (const QRectF &rect, qreal border, QTextFrameFormat::BorderStyle borderStyle, const QBrush &borderBrush)
void	addFrameDecorations (QTextDocument *document, QTextFrame *frame)
void	addImage (const QRectF &rect, const QImage &image, qreal ascent, SelectionState selectionState, QTextFrameFormat::Position layoutPosition)
int	addText (const QTextBlock &block, const QTextCharFormat &charFormat, const QColor &textColor, const QVarLengthArray< QTextLayout::FormatRange > &colorChanges, int textPos, int fragmentEnd, int selectionStart, int selectionEnd)
void	addTextObject (const QTextBlock &block, const QPointF &position, const QTextCharFormat &format, SelectionState selectionState, QTextDocument *textDocument, int pos, QTextFrameFormat::Position layoutPosition=QTextFrameFormat::InFlow)
void	addSelectedGlyphs (const QGlyphRun &glyphRun)
void	addUnselectedGlyphs (const QGlyphRun &glyphRun)
void	addGlyphsInRange (int rangeStart, int rangeEnd, const QColor &color, const QColor &backgroundColor, const QColor &underlineColor, int selectionStart, int selectionEnd)
void	addGlyphsForRanges (const QVarLengthArray< QTextLayout::FormatRange > &ranges, int start, int end, int selectionStart, int selectionEnd)
void	mergeProcessedNodes (QList< BinaryTreeNode * > *regularNodes, QList< BinaryTreeNode * > *imageNodes)
void	addToSceneGraph (QSGInternalTextNode *parent, QQuickText::TextStyle style=QQuickText::Normal, const QColor &styleColor=QColor())
void	setSelectionColor (const QColor &selectionColor)
void	setSelectedTextColor (const QColor &selectedTextColor)
void	setTextColor (const QColor &textColor)
void	setAnchorColor (const QColor &anchorColor)
void	setPosition (const QPointF &position)

Friends
class	QSGInternalTextNode

Detailed Description

Definition at line 34 of file qquicktextnodeengine_p.h.

Member Enumeration Documentation

Decoration

enum QQuickTextNodeEngine::Decoration

Enumerator
NoDecoration
Underline
Overline
StrikeOut
Background

Definition at line 36 of file qquicktextnodeengine_p.h.

SelectionState

enum QQuickTextNodeEngine::SelectionState

Enumerator
Unselected
Selected

Definition at line 45 of file qquicktextnodeengine_p.h.

Constructor & Destructor Documentation

QQuickTextNodeEngine()

QQuickTextNodeEngine::QQuickTextNodeEngine ( )

inline

Definition at line 112 of file qquicktextnodeengine_p.h.

Member Function Documentation

addBorder()

void QQuickTextNodeEngine::addBorder	(	const QRectF &	rect,
		qreal	border,
		QTextFrameFormat::BorderStyle	borderStyle,
		const QBrush &	borderBrush )

Definition at line 619 of file qquicktextnodeengine.cpp.

References QList< T >::append(), QBrush::color(), Q_UNUSED, qMakePair(), and rect.

Referenced by addFrameDecorations().

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addFrameDecorations()

void QQuickTextNodeEngine::addFrameDecorations	(	QTextDocument *	document,
		QTextFrame *	frame )

Definition at line 634 of file qquicktextnodeengine.cpp.

References addBorder(), QRectF::adjusted(), QList< T >::append(), QTextFrameFormat::border(), QTextFrameFormat::borderBrush(), QTextFrameFormat::borderStyle(), QTextFrameFormat::BorderStyle_None, QTextFrameFormat::bottomMargin(), boundingRect(), QBrush::color(), frame, QTextFormat::FrameBorder, QTextDocumentLayout::frameBoundingRect(), QTextFormat::hasProperty(), QTextFrameFormat::leftMargin(), Qt::NoBrush, Q_UNLIKELY, qFuzzyIsNull(), qMakePair(), QTextFrameFormat::rightMargin(), QBrush::style(), QTextDocumentLayout::tableBoundingRect(), QTextDocumentLayout::tableCellBoundingRect(), and QTextFrameFormat::topMargin().

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addGlyphsForRanges()

void QQuickTextNodeEngine::addGlyphsForRanges	(	const QVarLengthArray< QTextLayout::FormatRange > &	ranges,
		int	start,
		int	end,
		int	selectionStart,
		int	selectionEnd )

Definition at line 496 of file qquicktextnodeengine.cpp.

References addGlyphsInRange(), QTextFormat::BackgroundBrush, QTextFormat::ForegroundBrush, j, qMin(), and QTextFormat::TextUnderlineColor.

Referenced by addText().

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addGlyphsInRange()

void QQuickTextNodeEngine::addGlyphsInRange	(	int	rangeStart,
		int	rangeEnd,
		const QColor &	color,
		const QColor &	backgroundColor,
		const QColor &	underlineColor,
		int	selectionStart,
		int	selectionEnd )

Definition at line 544 of file qquicktextnodeengine.cpp.

References addSelectedGlyphs(), addUnselectedGlyphs(), hasSelection(), QColor::isValid(), j, line, qMax(), and qMin().

Referenced by addGlyphsForRanges().

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addImage()

void QQuickTextNodeEngine::addImage	(	const QRectF &	rect,
		const QImage &	image,
		qreal	ascent,
		SelectionState	selectionState,
		QTextFrameFormat::Position	layoutPosition )

Definition at line 391 of file qquicktextnodeengine.cpp.

References QTextLine::ascent(), QTextFrameFormat::InFlow, QQuickTextNodeEngine::BinaryTreeNode::insert(), QTextLine::position(), QTextLine::rect(), rect, Qt::RightToLeft, and QRectF::topRight().

Referenced by addTextObject().

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addSelectedGlyphs()

void QQuickTextNodeEngine::addSelectedGlyphs

(

const QGlyphRun &

glyphRun

)

Definition at line 482 of file qquicktextnodeengine.cpp.

References QQuickTextNodeEngine::BinaryTreeNode::insert(), NoDecoration, and Selected.

Referenced by addGlyphsInRange().

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addText()

int QQuickTextNodeEngine::addText	(	const QTextBlock &	block,
		const QTextCharFormat &	charFormat,
		const QColor &	textColor,
		const QVarLengthArray< QTextLayout::FormatRange > &	colorChanges,
		int	textPos,
		int	fragmentEnd,
		int	selectionStart,
		int	selectionEnd )

Definition at line 130 of file qquicktextnodeengine.cpp.

References addGlyphsForRanges(), QBrush::color(), currentLine(), QTextFormat::foreground(), QTextBlock::layout(), line, QTextLayout::lineForTextPosition(), Qt::NoBrush, QTextBlock::position(), Q_ASSERT, qMin(), setCurrentLine(), setTextColor(), and QBrush::style().

Referenced by addTextBlock().

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addTextBlock()

void QQuickTextNodeEngine::addTextBlock	(	QTextDocument *	textDocument,
		const QTextBlock &	block,
		const QPointF &	position,
		const QColor &	textColor,
		const QColor &	anchorColor,
		int	selectionStart,
		int	selectionEnd,
		const QRectF &	viewport = QRectF() )

Adds the block from the textDocument at position if its \l {QAbstractTextDocumentLayout::blockBoundingRect()}{bounding rect} intersects the viewport, or if viewport is not valid (i.e. use a default-constructed QRectF to skip the viewport check).

See also

QQuickItem::clipRect()

Definition at line 954 of file qquicktextnodeengine.cpp.

References addText(), addTextObject(), addUnselectedGlyphs(), QTextCharFormat::AlignSubScript, QTextCharFormat::AlignSuperScript, QList< T >::append(), QTextFormat::background(), QTextFormat::BackgroundBrush, QTextBlock::begin(), QAbstractTextDocumentLayout::blockBoundingRect(), QTextBlock::blockFormat(), QTextFormat::BlockTrailingHorizontalRulerWidth, QRectF::center(), QTextBlock::charFormat(), QTextFragment::charFormat(), QTextBlockFormat::Checked, QBrush::color(), QString::contains(), currentLine(), QTextDocument::documentLayout(), QTextCharFormat::font(), font, fontMetrics, QTextFormat::foreground(), frame, QTextFormat::hasProperty(), i, QTextFrameFormat::InFlow, QRectF::intersects(), QTextCharFormat::isAnchor(), QString::isEmpty(), QTextBlock::isValid(), layout, QTextBlock::layout(), Qt::LeftToRight, QTextBlock::length(), QTextFragment::length(), line, QTextLayout::lineForTextPosition(), QTextListFormat::ListCircle, QTextListFormat::ListDecimal, QTextListFormat::ListLowerAlpha, QTextListFormat::ListLowerRoman, QTextListFormat::ListSquare, QTextListFormat::ListUpperAlpha, QTextListFormat::ListUpperRoman, QTextBlockFormat::marker(), Qt::NoBrush, QTextBlockFormat::NoMarker, QTextFormat::NoObject, QTextDocument::objectForFormat(), QTextFormat::objectType(), pos, QTextBlock::position(), position(), QTextLayout::preeditAreaPosition(), QTextLayout::preeditAreaText(), QTextFormat::property(), Q_ASSERT, qCDebug, qMakePair(), Qt::RightToLeft, Selected, setCurrentLine(), setCurrentTextDirection(), setPosition(), setTextColor(), QString::size(), QTextLayout::FormatRange::start, QBrush::style(), QTextListFormat::style(), text, QTextFragment::text(), QTextBlock::textDirection(), QTextBlock::textList(), textRect, QTextFormat::TextUnderlineColor, QRect::topLeft(), QRectF::topLeft(), QTextBlockFormat::Unchecked, Unselected, QTextCharFormat::verticalAlignment(), viewport(), QRect::width(), QRectF::width(), QRectF::x(), and QRectF::y().

addTextObject()

void QQuickTextNodeEngine::addTextObject	(	const QTextBlock &	block,
		const QPointF &	position,
		const QTextCharFormat &	format,
		SelectionState	selectionState,
		QTextDocument *	textDocument,
		int	pos,
		QTextFrameFormat::Position	layoutPosition = QTextFrameFormat::InFlow )

Definition at line 419 of file qquicktextnodeengine.cpp.

References addImage(), QTextCharFormat::AlignBaseline, QTextCharFormat::AlignBottom, QTextCharFormat::AlignMiddle, QTextCharFormat::AlignTop, QTextDocument::documentLayout(), QTextObjectInterface::drawObject(), QImage::Format_ARGB32_Premultiplied, QAbstractTextDocumentLayout::handlerForObject(), QTextImageHandler::image(), QTextFormat::ImageObject, QTextObjectInterface::intrinsicSize(), QTextBlock::layout(), line, QTextLayout::lineForTextPosition(), painter, pos, QTextBlock::position(), position(), QTextFormat::toImageFormat(), and Qt::transparent.

Referenced by addTextBlock().

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addToSceneGraph()

void QQuickTextNodeEngine::addToSceneGraph	(	QSGInternalTextNode *	parent,
		QQuickText::TextStyle	style = QQuickText::Normal,
		const QColor &	styleColor = QColor() )

Definition at line 758 of file qquicktextnodeengine.cpp.

References QSGInternalTextNode::addDecorationNode(), QSGInternalTextNode::addGlyphs(), QSGInternalTextNode::addImage(), QSGInternalTextNode::addRectangleNode(), QColor::alpha(), QSGNode::appendChildNode(), QList< T >::at(), QQuickTextNodeEngine::BinaryTreeNode::boundingRect, QQuickTextNodeEngine::BinaryTreeNode::clipNode, QQuickTextNodeEngine::BinaryTreeNode::color, QQuickTextNodeEngine::BinaryTreeNode::glyphRun, i, QQuickTextNodeEngine::BinaryTreeNode::image, QTextLine::isValid(), j, QRectF::left(), mergeProcessedNodes(), QSGNode::parent(), QQuickTextNodeEngine::BinaryTreeNode::position, qFuzzyCompare(), qMax(), qMin(), QQuickTextNodeEngine::BinaryTreeNode::ranges, rect, Selected, QQuickTextNodeEngine::BinaryTreeNode::selectionState, QColor::setAlpha(), QList< T >::size(), and Unselected.

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addUnselectedGlyphs()

void QQuickTextNodeEngine::addUnselectedGlyphs

(

const QGlyphRun &

glyphRun

)

Definition at line 470 of file qquicktextnodeengine.cpp.

References QQuickTextNodeEngine::BinaryTreeNode::insert(), NoDecoration, and Unselected.

Referenced by addGlyphsInRange(), and addTextBlock().

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currentLine()

QTextLine QQuickTextNodeEngine::currentLine ( ) const

inline

Definition at line 121 of file qquicktextnodeengine_p.h.

Referenced by addText(), addTextBlock(), and setCurrentLine().

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hasContents()

bool QQuickTextNodeEngine::hasContents ( ) const

inline

Definition at line 118 of file qquicktextnodeengine_p.h.

mergeProcessedNodes()

void QQuickTextNodeEngine::mergeProcessedNodes	(	QList< BinaryTreeNode * > *	regularNodes,
		QList< BinaryTreeNode * > *	imageNodes )

Definition at line 692 of file qquicktextnodeengine.cpp.

References QGlyphRun::boundingRect(), QGlyphRun::glyphIndexes(), QQuickTextNodeEngine::BinaryTreeNode::glyphRun, i, QQuickTextNodeEngine::BinaryTreeNode::image, QGlyphRun::isEmpty(), QImage::isNull(), j, map, QGlyphRun::positions(), Q_ASSERT, QGlyphRun::setBoundingRect(), QGlyphRun::setGlyphIndexes(), QGlyphRun::setPositions(), and QMap< Key, T >::value().

Referenced by addToSceneGraph().

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setAnchorColor()

void QQuickTextNodeEngine::setAnchorColor ( const QColor & anchorColor )

inline

Definition at line 182 of file qquicktextnodeengine_p.h.

setCurrentLine()

void QQuickTextNodeEngine::setCurrentLine ( const QTextLine & currentLine )

inline

Definition at line 123 of file qquicktextnodeengine_p.h.

References currentLine(), and QTextLine::isValid().

Referenced by addText(), and addTextBlock().

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setCurrentTextDirection()

void QQuickTextNodeEngine::setCurrentTextDirection ( Qt::LayoutDirection textDirection )

inline

Definition at line 131 of file qquicktextnodeengine_p.h.

Referenced by addTextBlock().

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setPosition()

void QQuickTextNodeEngine::setPosition ( const QPointF & position )

inline

Definition at line 187 of file qquicktextnodeengine_p.h.

References position().

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setSelectedTextColor()

void QQuickTextNodeEngine::setSelectedTextColor ( const QColor & selectedTextColor )

inline

Definition at line 172 of file qquicktextnodeengine_p.h.

setSelectionColor()

void QQuickTextNodeEngine::setSelectionColor ( const QColor & selectionColor )

inline

Definition at line 167 of file qquicktextnodeengine_p.h.

setTextColor()

void QQuickTextNodeEngine::setTextColor ( const QColor & textColor )

inline

Definition at line 177 of file qquicktextnodeengine_p.h.

Referenced by addText(), and addTextBlock().

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Friends And Related Symbol Documentation

QSGInternalTextNode

friend class QSGInternalTextNode

friend

Definition at line 236 of file qquicktextnodeengine_p.h.

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

• qtdeclarative/src/quick/items/qquicktextnodeengine_p.h (8e7572ac63b4eb7ced5148fdca11702108fa511d)
• qtdeclarative/src/quick/items/qquicktextnodeengine.cpp (e7ac69eebf505337ec60311727d3fc0915f7ed33)