qtextdocumentlayout.cpp File Reference

#include "qtextdocumentlayout_p.h"
#include "qtextdocument_p.h"
#include "qtextimagehandler_p.h"
#include "qtexttable.h"
#include "qtextlist.h"
#include "qtextengine_p.h"
#include "private/qguiapplication_p.h"
#include "qabstracttextdocumentlayout_p.h"
#include "qcssparser_p.h"
#include <qpainter.h>
#include <qmath.h>
#include <qrect.h>
#include <qpalette.h>
#include <qdebug.h>
#include <qvarlengtharray.h>
#include <limits.h>
#include <qbasictimer.h>
#include "private/qfunctions_p.h"
#include <qloggingcategory.h>
#include <algorithm>
#include "moc_qtextdocumentlayout_p.cpp"

Include dependency graph for qtextdocumentlayout.cpp:

Go to the source code of this file.

Classes
class	QTextFrameData
struct	QTextLayoutStruct
struct	EdgeData
class	QTextTableData
struct	QCheckPoint
class	QTextDocumentLayoutPrivate
struct	BorderPaginator

Functions
static EdgeData	axisEdgeData (QTextTable *table, const QTextTableData *td, const QTextTableCell &cell, QCss::Edge edge)
static QTextFrameData *	createData (QTextFrame *f)
static QTextFrameData *	data (QTextFrame *f)
static bool	isFrameFromInlineObject (QTextFrame *f)
static bool	isEmptyBlockBeforeTable (const QTextBlock &block, const QTextBlockFormat &format, const QTextFrame::Iterator &nextIt)
static bool	isEmptyBlockBeforeTable (const QTextFrame::Iterator &it)
static bool	isEmptyBlockAfterTable (const QTextBlock &block, const QTextFrame *previousFrame)
static bool	isLineSeparatorBlockAfterTable (const QTextBlock &block, const QTextFrame *previousFrame)
	Q_DECLARE_TYPEINFO (QCheckPoint, Q_PRIMITIVE_TYPE)
static bool	operator< (const QCheckPoint &checkPoint, QFixed y)
static bool	operator< (const QCheckPoint &checkPoint, int pos)
static void	fillBackground (QPainter *p, const QRectF &rect, QBrush brush, const QPointF &origin, const QRectF &gradientRect=QRectF())
static void	adjustContextSelectionsForCell (QAbstractTextDocumentLayout::PaintContext &cell_context, const QTextTableCell &cell, int r, int c, const int *selectedTableCells)
static bool	cellClipTest (QTextTable *table, QTextTableData *td, const QAbstractTextDocumentLayout::PaintContext &cell_context, const QTextTableCell &cell, QRectF cellRect)
static QTextFormat::Property	borderPropertyForEdge (QCss::Edge edge)
static QTextFormat::Property	borderStylePropertyForEdge (QCss::Edge edge)
static QCss::Edge	adjacentEdge (QCss::Edge edge)
static bool	isSameAxis (QCss::Edge e1, QCss::Edge e2)
static bool	isVerticalAxis (QCss::Edge e)
static QTextTableCell	adjacentCell (QTextTable *table, const QTextTableCell &cell, QCss::Edge edge)
static bool	sharesAxis (const QTextTableCell &cell, QCss::Edge edge, const QTextTableCell &competingCell, QCss::Edge competingCellEdge)
static EdgeData	cellEdgeData (QTextTable *table, const QTextTableData *td, const QTextTableCell &cell, QCss::Edge edge)
static void	checkJoinedEdge (QTextTable *table, const QTextTableData *td, const QTextTableCell &cell, QCss::Edge competingEdge, const EdgeData &edgeData, bool couldHaveContinuation, EdgeData *maxCompetingEdgeData, EdgeData *maxOrthogonalEdgeData)
static qreal	collapseOffset (const QTextDocumentLayoutPrivate *p, const EdgeData &w)
static double	prioritizedEdgeAnchorOffset (const QTextDocumentLayoutPrivate *p, QTextTable *table, const QTextTableData *td, const QTextTableCell &cell, const EdgeData &edgeData, QCss::Edge orthogonalEdge, bool couldHaveContinuation, bool ignoreEdgesAbove)
static void	drawCellBorder (const QTextDocumentLayoutPrivate *p, QPainter *painter, QTextTable *table, const QTextTableData *td, const QTextTableCell &cell, const QRectF &borderRect, QCss::Edge edge, int forceHeaderRow, bool adjustTopAnchor, bool adjustBottomAnchor, bool ignoreEdgesAbove)
static QFixed	flowPosition (const QTextFrame::iterator &it)
static QFixed	firstChildPos (const QTextFrame *f)
static void	findWidestOutermostBorder (QTextTable *table, QTextTableData *td, const QTextTableCell &cell, QCss::Edge edge, qreal *outerBorders)
static void	getLineHeightParams (const QTextBlockFormat &blockFormat, const QTextLine &line, qreal scaling, QFixed *lineAdjustment, QFixed *lineBreakHeight, QFixed *lineHeight, QFixed *lineBottom)
static void	markFrames (QTextFrame *current, int from, int oldLength, int length)

Function Documentation

adjacentCell()

static QTextTableCell adjacentCell ( QTextTable *  table, const QTextTableCell &  cell, QCss::Edge  edge  )

inlinestatic

Definition at line 1260 of file qtextdocumentlayout.cpp.

References QCss::BottomEdge, QTextTableCell::column(), QTextTableCell::columnSpan(), QCss::LeftEdge, QCss::RightEdge, QTextTableCell::row(), QTextTableCell::rowSpan(), and QCss::TopEdge.

Referenced by axisEdgeData(), QTextDocumentLayoutPrivate::drawTableCellBorder(), and prioritizedEdgeAnchorOffset().

Here is the call graph for this function:

Here is the caller graph for this function:

adjacentEdge()

static QCss::Edge adjacentEdge ( QCss::Edge  edge )

inlinestatic

Definition at line 1234 of file qtextdocumentlayout.cpp.

References QCss::BottomEdge, QCss::LeftEdge, QCss::NumEdges, QCss::RightEdge, and QCss::TopEdge.

Referenced by axisEdgeData(), and isSameAxis().

Here is the caller graph for this function:

adjustContextSelectionsForCell()

static void adjustContextSelectionsForCell ( QAbstractTextDocumentLayout::PaintContext &  cell_context, const QTextTableCell &  cell, int  r, int  c, const int *  selectedTableCells  )

static

Definition at line 976 of file qtextdocumentlayout.cpp.

References QTextTableCell::firstPosition(), QTextFormat::FullWidthSelection, i, QTextCursor::KeepAnchor, QTextTableCell::lastPosition(), and QAbstractTextDocumentLayout::PaintContext::selections.

Referenced by QTextDocumentLayoutPrivate::drawFrame().

Here is the call graph for this function:

Here is the caller graph for this function:

axisEdgeData()

static EdgeData axisEdgeData ( QTextTable *  table, const QTextTableData *  td, const QTextTableCell &  cell, QCss::Edge  edge  )

inlinestatic

Definition at line 1370 of file qtextdocumentlayout.cpp.

References adjacentCell(), adjacentEdge(), QTextTableData::borderCollapse, QCss::BottomEdge, cellEdgeData(), QTextTableCell::isValid(), QCss::LeftEdge, Q_ASSERT, qMax(), QCss::RightEdge, sharesAxis(), and QCss::TopEdge.

Referenced by QTextTableData::cellBorderWidth(), cellClipTest(), checkJoinedEdge(), drawCellBorder(), and QTextDocumentLayoutPrivate::layoutCell().

Here is the call graph for this function:

Here is the caller graph for this function:

borderPropertyForEdge()

static QTextFormat::Property borderPropertyForEdge ( QCss::Edge  edge )

inlinestatic

Definition at line 1202 of file qtextdocumentlayout.cpp.

References QCss::BottomEdge, QCss::LeftEdge, QCss::RightEdge, QTextFormat::TableCellBottomBorder, QTextFormat::TableCellLeftBorder, QTextFormat::TableCellRightBorder, QTextFormat::TableCellTopBorder, QCss::TopEdge, and QTextFormat::UserProperty.

Referenced by cellEdgeData().

Here is the caller graph for this function:

borderStylePropertyForEdge()

static QTextFormat::Property borderStylePropertyForEdge ( QCss::Edge  edge )

inlinestatic

Definition at line 1218 of file qtextdocumentlayout.cpp.

References QCss::BottomEdge, QCss::LeftEdge, QCss::RightEdge, QTextFormat::TableCellBottomBorderStyle, QTextFormat::TableCellLeftBorderStyle, QTextFormat::TableCellRightBorderStyle, QTextFormat::TableCellTopBorderStyle, QCss::TopEdge, and QTextFormat::UserProperty.

Referenced by cellEdgeData().

Here is the caller graph for this function:

cellClipTest()

static bool cellClipTest ( QTextTable *  table, QTextTableData *  td, const QAbstractTextDocumentLayout::PaintContext &  cell_context, const QTextTableCell &  cell, QRectF  cellRect  )

static

Definition at line 1010 of file qtextdocumentlayout.cpp.

References QRectF::adjust(), axisEdgeData(), QTextFrameData::border, QTextTableData::borderCollapse, QCss::BottomEdge, QAbstractTextDocumentLayout::PaintContext::clip, QRectF::intersects(), QRectF::isValid(), QCss::LeftEdge, Q_UNUSED, QCss::RightEdge, QCss::TopEdge, and QFixed::toReal().

Referenced by QTextDocumentLayoutPrivate::drawFrame().

Here is the call graph for this function:

Here is the caller graph for this function:

cellEdgeData()

static EdgeData cellEdgeData ( QTextTable *  table, const QTextTableData *  td, const QTextTableCell &  cell, QCss::Edge  edge  )

inlinestatic

Definition at line 1332 of file qtextdocumentlayout.cpp.

References borderPropertyForEdge(), borderStylePropertyForEdge(), QCss::BottomEdge, EdgeData::ClassExplicit, EdgeData::ClassGrid, EdgeData::ClassNone, EdgeData::ClassTableBorder, QTextTableCell::column(), QTextTableCell::columnSpan(), QTextTableData::drawGrid, QTextTableCell::format(), QTextTableCell::isValid(), QCss::LeftEdge, QTextFormat::property(), QCss::RightEdge, QTextTableCell::row(), QTextTableCell::rowSpan(), QVariant::toDouble(), QCss::TopEdge, and QTextFormat::toTableCellFormat().

Referenced by axisEdgeData(), and findWidestOutermostBorder().

Here is the call graph for this function:

Here is the caller graph for this function:

checkJoinedEdge()

static void checkJoinedEdge ( QTextTable *  table, const QTextTableData *  td, const QTextTableCell &  cell, QCss::Edge  competingEdge, const EdgeData &  edgeData, bool  couldHaveContinuation, EdgeData *  maxCompetingEdgeData, EdgeData *  maxOrthogonalEdgeData  )

inlinestatic

Definition at line 1422 of file qtextdocumentlayout.cpp.

References axisEdgeData(), EdgeData::edge, isSameAxis(), isVerticalAxis(), and EdgeData::width.

Referenced by prioritizedEdgeAnchorOffset().

Here is the call graph for this function:

Here is the caller graph for this function:

collapseOffset()

static qreal collapseOffset ( const QTextDocumentLayoutPrivate *  p, const EdgeData &  w  )

inlinestatic

Definition at line 1445 of file qtextdocumentlayout.cpp.

Referenced by drawCellBorder(), and prioritizedEdgeAnchorOffset().

Here is the caller graph for this function:

createData()

static QTextFrameData * createData ( QTextFrame *  f )

static

Definition at line 292 of file qtextdocumentlayout.cpp.

Referenced by data().

Here is the caller graph for this function:

data()

static QTextFrameData * data ( QTextFrame *  f )

inlinestatic

Definition at line 303 of file qtextdocumentlayout.cpp.

References createData().

Here is the call graph for this function:

drawCellBorder()

static void drawCellBorder ( const QTextDocumentLayoutPrivate *  p, QPainter *  painter, QTextTable *  table, const QTextTableData *  td, const QTextTableCell &  cell, const QRectF &  borderRect, QCss::Edge  edge, int  forceHeaderRow, bool  adjustTopAnchor, bool  adjustBottomAnchor, bool  ignoreEdgesAbove  )

inlinestatic

Definition at line 1561 of file qtextdocumentlayout.cpp.

References axisEdgeData(), Qt::black, QTextTableData::borderCollapse, QTextFrameFormat::BorderStyle_None, QCss::BottomEdge, QRectF::bottomLeft(), QRectF::bottomRight(), EdgeData::cell, EdgeData::ClassExplicit, collapseOffset(), QTextTableCell::column(), QTextTableData::drawGrid, EdgeData::edge, EdgeData::edgeClass, fmt, QTextTableCell::format(), QCss::LeftEdge, Qt::NoBrush, p1, p2, painter, prioritizedEdgeAnchorOffset(), qCeil(), qDrawEdge(), qFloor(), QCss::RightEdge, QCss::TopEdge, QRectF::topLeft(), QRectF::topRight(), QTextFormat::toTableCellFormat(), and EdgeData::width.

Referenced by QTextDocumentLayoutPrivate::drawTableCellBorder().

Here is the call graph for this function:

Here is the caller graph for this function:

fillBackground()

static void fillBackground ( QPainter *  p, const QRectF &  rect, QBrush  brush, const QPointF &  origin, const QRectF &  gradientRect = QRectF()  )

static

Definition at line 457 of file qtextdocumentlayout.cpp.

References Qt::ConicalGradientPattern, Qt::LinearGradientPattern, QGradient::LogicalMode, and rect.

Referenced by QTextDocumentLayoutPrivate::drawBlock(), QTextDocumentLayoutPrivate::drawFrameDecoration(), QTextDocumentLayoutPrivate::drawTableCell(), QPlainTextEdit::paintEvent(), and QGraphicsWidget::paintWindowFrame().

Here is the caller graph for this function:

findWidestOutermostBorder()

static void findWidestOutermostBorder ( QTextTable *  table, QTextTableData *  td, const QTextTableCell &  cell, QCss::Edge  edge, qreal *  outerBorders  )

inlinestatic

Definition at line 2346 of file qtextdocumentlayout.cpp.

References cellEdgeData().

Referenced by QTextDocumentLayoutPrivate::layoutTable().

Here is the call graph for this function:

Here is the caller graph for this function:

firstChildPos()

static QFixed firstChildPos ( const QTextFrame *  f )

static

Definition at line 2249 of file qtextdocumentlayout.cpp.

References flowPosition().

Referenced by QTextDocumentLayoutPrivate::layoutFlow().

Here is the call graph for this function:

Here is the caller graph for this function:

flowPosition()

static QFixed flowPosition ( const QTextFrame::iterator &  it )

static

Definition at line 2232 of file qtextdocumentlayout.cpp.

References QFixed::fromReal(), it, layout, and QTextBlock::layout().

Referenced by firstChildPos(), and QTextDocumentLayoutPrivate::layoutTable().

Here is the call graph for this function:

Here is the caller graph for this function:

getLineHeightParams()

static void getLineHeightParams ( const QTextBlockFormat &  blockFormat, const QTextLine &  line, qreal  scaling, QFixed *  lineAdjustment, QFixed *  lineBreakHeight, QFixed *  lineHeight, QFixed *  lineBottom  )

inlinestatic

Definition at line 3386 of file qtextdocumentlayout.cpp.

References QTextBlockFormat::FixedHeight, QFixed::fromReal(), line, QTextBlockFormat::lineHeight(), QTextBlockFormat::lineHeightType(), QTextBlockFormat::MinimumHeight, qCeil(), and qMax().

Referenced by QTextDocumentLayoutPrivate::layoutBlock().

Here is the call graph for this function:

Here is the caller graph for this function:

isEmptyBlockAfterTable()

static bool isEmptyBlockAfterTable ( const QTextBlock &  block, const QTextFrame *  previousFrame  )

inlinestatic

Definition at line 362 of file qtextdocumentlayout.cpp.

References QTextBlock::isValid(), QTextFrame::lastPosition(), QTextBlock::length(), and QTextBlock::position().

Referenced by QTextDocumentLayoutPrivate::drawFlow(), and QTextDocumentLayoutPrivate::layoutFlow().

Here is the call graph for this function:

Here is the caller graph for this function:

isEmptyBlockBeforeTable() [1/2]

static bool isEmptyBlockBeforeTable ( const QTextBlock &  block, const QTextBlockFormat &  format, const QTextFrame::Iterator &  nextIt  )

inlinestatic

Definition at line 341 of file qtextdocumentlayout.cpp.

References QTextFrame::iterator::atEnd(), QTextFormat::BackgroundBrush, QTextFormat::BlockTrailingHorizontalRulerWidth, QTextFrame::iterator::currentFrame(), QTextFrame::firstPosition(), QTextBlock::isValid(), QTextBlock::length(), and QTextBlock::position().

Referenced by QTextDocumentLayoutPrivate::drawBlock(), QTextDocumentLayoutPrivate::drawFlow(), QTextDocumentLayoutPrivate::hitTest(), isEmptyBlockBeforeTable(), and QTextDocumentLayoutPrivate::layoutFlow().

Here is the call graph for this function:

Here is the caller graph for this function:

isEmptyBlockBeforeTable() [2/2]

static bool isEmptyBlockBeforeTable ( const QTextFrame::Iterator &  it )

inlinestatic

Definition at line 353 of file qtextdocumentlayout.cpp.

References QTextBlock::blockFormat(), isEmptyBlockBeforeTable(), it, and next.

Here is the call graph for this function:

isFrameFromInlineObject()

static bool isFrameFromInlineObject ( QTextFrame *  f )

static

Definition at line 311 of file qtextdocumentlayout.cpp.

Referenced by QTextDocumentLayoutPrivate::drawFlow(), QTextDocumentLayoutPrivate::hitTest(), and QTextDocumentLayoutPrivate::layoutFrame().

Here is the caller graph for this function:

isLineSeparatorBlockAfterTable()

static bool isLineSeparatorBlockAfterTable ( const QTextBlock &  block, const QTextFrame *  previousFrame  )

inlinestatic

Definition at line 371 of file qtextdocumentlayout.cpp.

References QString::at(), QTextBlock::isValid(), QTextFrame::lastPosition(), QTextBlock::length(), QChar::LineSeparator, QTextBlock::position(), and QTextBlock::text().

Referenced by QTextDocumentLayoutPrivate::layoutFlow().

Here is the call graph for this function:

Here is the caller graph for this function:

isSameAxis()

static bool isSameAxis ( QCss::Edge  e1, QCss::Edge  e2  )

inlinestatic

Definition at line 1250 of file qtextdocumentlayout.cpp.

References adjacentEdge().

Referenced by checkJoinedEdge().

Here is the call graph for this function:

Here is the caller graph for this function:

isVerticalAxis()

static bool isVerticalAxis ( QCss::Edge  e )

inlinestatic

Definition at line 1255 of file qtextdocumentlayout.cpp.

References e.

Referenced by checkJoinedEdge(), prioritizedEdgeAnchorOffset(), and sharesAxis().

Here is the caller graph for this function:

markFrames()

static void markFrames ( QTextFrame *  current, int  from, int  oldLength, int  length  )

static

Definition at line 3730 of file qtextdocumentlayout.cpp.

References QList< T >::at(), QTextFrame::childFrames(), QTextFrame::firstPosition(), i, QTextFrame::lastPosition(), markFrames(), qMax(), and QList< T >::size().

Referenced by markFrames().

Here is the call graph for this function:

Here is the caller graph for this function:

operator<() [1/2]

static bool operator< ( const QCheckPoint &  checkPoint, int  pos  )

static

Definition at line 452 of file qtextdocumentlayout.cpp.

References pos, and QCheckPoint::positionInFrame.

operator<() [2/2]

static bool operator< ( const QCheckPoint &  checkPoint, QFixed  y  )

static

Definition at line 447 of file qtextdocumentlayout.cpp.

References QCheckPoint::y.

prioritizedEdgeAnchorOffset()

static double prioritizedEdgeAnchorOffset ( const QTextDocumentLayoutPrivate *  p, QTextTable *  table, const QTextTableData *  td, const QTextTableCell &  cell, const EdgeData &  edgeData, QCss::Edge  orthogonalEdge, bool  couldHaveContinuation, bool  ignoreEdgesAbove  )

inlinestatic

Definition at line 1487 of file qtextdocumentlayout.cpp.

References adjacentCell(), QTextTableData::borderCollapse, checkJoinedEdge(), collapseOffset(), EdgeData::edge, QTextTableCell::isValid(), isVerticalAxis(), sharesAxis(), QCss::TopEdge, and EdgeData::width.

Referenced by drawCellBorder().

Here is the call graph for this function:

Here is the caller graph for this function:

Q_DECLARE_TYPEINFO()

Q_DECLARE_TYPEINFO	(	QCheckPoint	,
		Q_PRIMITIVE_TYPE
	)

sharesAxis()

static bool sharesAxis ( const QTextTableCell &  cell, QCss::Edge  edge, const QTextTableCell &  competingCell, QCss::Edge  competingCellEdge  )

inlinestatic

Definition at line 1306 of file qtextdocumentlayout.cpp.

References QCss::BottomEdge, QTextTableCell::column(), QTextTableCell::columnSpan(), isVerticalAxis(), QCss::LeftEdge, Q_ASSERT, QCss::RightEdge, QTextTableCell::row(), QTextTableCell::rowSpan(), and QCss::TopEdge.

Referenced by axisEdgeData(), and prioritizedEdgeAnchorOffset().

Here is the call graph for this function:

Here is the caller graph for this function: