/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** This file may be used under the terms of the GNU Lesser General Public ** License version 2.1 as published by the Free Software Foundation and ** appearing in the file LICENSE.LGPL included in the packaging of this ** file. Please review the following information to ensure the GNU Lesser ** General Public License version 2.1 requirements will be met: ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU General ** Public License version 3.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of this ** file. Please review the following information to ensure the GNU General ** Public License version 3.0 requirements will be met: ** http://www.gnu.org/copyleft/gpl.html. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QTEXTFORMAT_H #define QTEXTFORMAT_H #include #include #include #include #include #include #include #include QT_BEGIN_HEADER QT_BEGIN_NAMESPACE class QString; class QVariant; class QFont; class QTextFormatCollection; class QTextFormatPrivate; class QTextBlockFormat; class QTextCharFormat; class QTextListFormat; class QTextTableFormat; class QTextFrameFormat; class QTextImageFormat; class QTextTableCellFormat; class QTextFormat; class QTextObject; class QTextCursor; class QTextDocument; class QTextLength; #ifndef QT_NO_DATASTREAM Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QTextLength &); Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QTextLength &); #endif #ifndef QT_NO_DEBUG_STREAM Q_GUI_EXPORT QDebug operator<<(QDebug, const QTextLength &); #endif class Q_GUI_EXPORT QTextLength { public: enum Type { VariableLength = 0, FixedLength, PercentageLength }; inline QTextLength() : lengthType(VariableLength), fixedValueOrPercentage(0) {} inline explicit QTextLength(Type type, qreal value); inline Type type() const { return lengthType; } inline qreal value(qreal maximumLength) const { switch (lengthType) { case FixedLength: return fixedValueOrPercentage; case VariableLength: return maximumLength; case PercentageLength: return fixedValueOrPercentage * maximumLength / qreal(100); } return -1; } inline qreal rawValue() const { return fixedValueOrPercentage; } inline bool operator==(const QTextLength &other) const { return lengthType == other.lengthType && qFuzzyCompare(fixedValueOrPercentage, other.fixedValueOrPercentage); } inline bool operator!=(const QTextLength &other) const { return lengthType != other.lengthType || !qFuzzyCompare(fixedValueOrPercentage, other.fixedValueOrPercentage); } operator QVariant() const; private: Type lengthType; qreal fixedValueOrPercentage; friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QTextLength &); friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QTextLength &); }; inline QTextLength::QTextLength(Type atype, qreal avalue) : lengthType(atype), fixedValueOrPercentage(avalue) {} #ifndef QT_NO_DATASTREAM Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QTextFormat &); Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QTextFormat &); #endif #ifndef QT_NO_DEBUG_STREAM Q_GUI_EXPORT QDebug operator<<(QDebug, const QTextFormat &); #endif class Q_GUI_EXPORT QTextFormat { Q_GADGET Q_ENUMS(FormatType Property ObjectTypes) public: enum FormatType { InvalidFormat = -1, BlockFormat = 1, CharFormat = 2, ListFormat = 3, TableFormat = 4, FrameFormat = 5, UserFormat = 100 }; enum Property { ObjectIndex = 0x0, // paragraph and char CssFloat = 0x0800, LayoutDirection = 0x0801, OutlinePen = 0x810, BackgroundBrush = 0x820, ForegroundBrush = 0x821, // Internal to qtextlayout.cpp: ObjectSelectionBrush = 0x822 BackgroundImageUrl = 0x823, // paragraph BlockAlignment = 0x1010, BlockTopMargin = 0x1030, BlockBottomMargin = 0x1031, BlockLeftMargin = 0x1032, BlockRightMargin = 0x1033, TextIndent = 0x1034, TabPositions = 0x1035, BlockIndent = 0x1040, LineHeight = 0x1048, LineHeightType = 0x1049, BlockNonBreakableLines = 0x1050, BlockTrailingHorizontalRulerWidth = 0x1060, // character properties FirstFontProperty = 0x1FE0, FontCapitalization = FirstFontProperty, FontAbsoluteLetterSpacing = 0x2033, // if true FontLetterSpacing is absolute FontLetterSpacing = 0x1FE1, FontWordSpacing = 0x1FE2, FontStretch = 0x2034, FontStyleHint = 0x1FE3, FontStyleStrategy = 0x1FE4, FontKerning = 0x1FE5, FontHintingPreference = 0x1FE6, FontFamily = 0x2000, FontPointSize = 0x2001, FontSizeAdjustment = 0x2002, FontSizeIncrement = FontSizeAdjustment, // old name, compat FontWeight = 0x2003, FontItalic = 0x2004, FontUnderline = 0x2005, // deprecated, use TextUnderlineStyle instead FontOverline = 0x2006, FontStrikeOut = 0x2007, FontFixedPitch = 0x2008, FontPixelSize = 0x2009, LastFontProperty = FontPixelSize, TextUnderlineColor = 0x2010, TextVerticalAlignment = 0x2021, TextOutline = 0x2022, TextUnderlineStyle = 0x2023, TextToolTip = 0x2024, IsAnchor = 0x2030, AnchorHref = 0x2031, AnchorName = 0x2032, ObjectType = 0x2f00, // list properties ListStyle = 0x3000, ListIndent = 0x3001, ListNumberPrefix = 0x3002, ListNumberSuffix = 0x3003, // table and frame properties FrameBorder = 0x4000, FrameMargin = 0x4001, FramePadding = 0x4002, FrameWidth = 0x4003, FrameHeight = 0x4004, FrameTopMargin = 0x4005, FrameBottomMargin = 0x4006, FrameLeftMargin = 0x4007, FrameRightMargin = 0x4008, FrameBorderBrush = 0x4009, FrameBorderStyle = 0x4010, TableColumns = 0x4100, TableColumnWidthConstraints = 0x4101, TableCellSpacing = 0x4102, TableCellPadding = 0x4103, TableHeaderRowCount = 0x4104, // table cell properties TableCellRowSpan = 0x4810, TableCellColumnSpan = 0x4811, TableCellTopPadding = 0x4812, TableCellBottomPadding = 0x4813, TableCellLeftPadding = 0x4814, TableCellRightPadding = 0x4815, // image properties ImageName = 0x5000, ImageWidth = 0x5010, ImageHeight = 0x5011, // internal /* SuppressText = 0x5012, SuppressBackground = 0x513 */ // selection properties FullWidthSelection = 0x06000, // page break properties PageBreakPolicy = 0x7000, // -- UserProperty = 0x100000 }; enum ObjectTypes { NoObject, ImageObject, TableObject, TableCellObject, UserObject = 0x1000 }; enum PageBreakFlag { PageBreak_Auto = 0, PageBreak_AlwaysBefore = 0x001, PageBreak_AlwaysAfter = 0x010 // PageBreak_AlwaysInside = 0x100 }; Q_DECLARE_FLAGS(PageBreakFlags, PageBreakFlag) QTextFormat(); explicit QTextFormat(int type); QTextFormat(const QTextFormat &rhs); QTextFormat &operator=(const QTextFormat &rhs); ~QTextFormat(); void merge(const QTextFormat &other); inline bool isValid() const { return type() != InvalidFormat; } int type() const; int objectIndex() const; void setObjectIndex(int object); QVariant property(int propertyId) const; void setProperty(int propertyId, const QVariant &value); void clearProperty(int propertyId); bool hasProperty(int propertyId) const; bool boolProperty(int propertyId) const; int intProperty(int propertyId) const; qreal doubleProperty(int propertyId) const; QString stringProperty(int propertyId) const; QColor colorProperty(int propertyId) const; QPen penProperty(int propertyId) const; QBrush brushProperty(int propertyId) const; QTextLength lengthProperty(int propertyId) const; QVector lengthVectorProperty(int propertyId) const; void setProperty(int propertyId, const QVector &lengths); QMap properties() const; int propertyCount() const; inline void setObjectType(int type); inline int objectType() const { return intProperty(ObjectType); } inline bool isCharFormat() const { return type() == CharFormat; } inline bool isBlockFormat() const { return type() == BlockFormat; } inline bool isListFormat() const { return type() == ListFormat; } inline bool isFrameFormat() const { return type() == FrameFormat; } inline bool isImageFormat() const { return type() == CharFormat && objectType() == ImageObject; } inline bool isTableFormat() const { return type() == FrameFormat && objectType() == TableObject; } inline bool isTableCellFormat() const { return type() == CharFormat && objectType() == TableCellObject; } QTextBlockFormat toBlockFormat() const; QTextCharFormat toCharFormat() const; QTextListFormat toListFormat() const; QTextTableFormat toTableFormat() const; QTextFrameFormat toFrameFormat() const; QTextImageFormat toImageFormat() const; QTextTableCellFormat toTableCellFormat() const; bool operator==(const QTextFormat &rhs) const; inline bool operator!=(const QTextFormat &rhs) const { return !operator==(rhs); } operator QVariant() const; inline void setLayoutDirection(Qt::LayoutDirection direction) { setProperty(QTextFormat::LayoutDirection, direction); } inline Qt::LayoutDirection layoutDirection() const { return Qt::LayoutDirection(intProperty(QTextFormat::LayoutDirection)); } inline void setBackground(const QBrush &brush) { setProperty(BackgroundBrush, brush); } inline QBrush background() const { return brushProperty(BackgroundBrush); } inline void clearBackground() { clearProperty(BackgroundBrush); } inline void setForeground(const QBrush &brush) { setProperty(ForegroundBrush, brush); } inline QBrush foreground() const { return brushProperty(ForegroundBrush); } inline void clearForeground() { clearProperty(ForegroundBrush); } private: QSharedDataPointer d; qint32 format_type; friend class QTextFormatCollection; friend class QTextCharFormat; friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QTextFormat &); friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QTextFormat &); }; inline void QTextFormat::setObjectType(int atype) { setProperty(ObjectType, atype); } Q_DECLARE_OPERATORS_FOR_FLAGS(QTextFormat::PageBreakFlags) class Q_GUI_EXPORT QTextCharFormat : public QTextFormat { public: enum VerticalAlignment { AlignNormal = 0, AlignSuperScript, AlignSubScript, AlignMiddle, AlignTop, AlignBottom, AlignBaseline }; enum UnderlineStyle { // keep in sync with Qt::PenStyle! NoUnderline, SingleUnderline, DashUnderline, DotLine, DashDotLine, DashDotDotLine, WaveUnderline, SpellCheckUnderline }; QTextCharFormat(); bool isValid() const { return isCharFormat(); } void setFont(const QFont &font); QFont font() const; inline void setFontFamily(const QString &family) { setProperty(FontFamily, family); } inline QString fontFamily() const { return stringProperty(FontFamily); } inline void setFontPointSize(qreal size) { setProperty(FontPointSize, size); } inline qreal fontPointSize() const { return doubleProperty(FontPointSize); } inline void setFontWeight(int weight) { if (weight == QFont::Normal) weight = 0; setProperty(FontWeight, weight); } inline int fontWeight() const { int weight = intProperty(FontWeight); if (weight == 0) weight = QFont::Normal; return weight; } inline void setFontItalic(bool italic) { setProperty(FontItalic, italic); } inline bool fontItalic() const { return boolProperty(FontItalic); } inline void setFontCapitalization(QFont::Capitalization capitalization) { setProperty(FontCapitalization, capitalization); } inline QFont::Capitalization fontCapitalization() const { return static_cast(intProperty(FontCapitalization)); } inline void setFontAbsoluteLetterSpacing(qreal absoluteSpacing) { setProperty(FontAbsoluteLetterSpacing, absoluteSpacing); clearProperty(FontLetterSpacing); } inline qreal fontAbsoluteLetterSpacing() const { return doubleProperty(FontAbsoluteLetterSpacing); } inline void setFontLetterSpacing(qreal spacing) { setProperty(FontLetterSpacing, spacing); clearProperty(FontAbsoluteLetterSpacing); } inline qreal fontLetterSpacing() const { return doubleProperty(FontLetterSpacing); } inline void setFontWordSpacing(qreal spacing) { setProperty(FontWordSpacing, spacing); } inline qreal fontWordSpacing() const { return doubleProperty(FontWordSpacing); } inline void setFontUnderline(bool underline) { setProperty(TextUnderlineStyle, underline ? SingleUnderline : NoUnderline); } bool fontUnderline() const; inline void setFontOverline(bool overline) { setProperty(FontOverline, overline); } inline bool fontOverline() const { return boolProperty(FontOverline); } inline void setFontStrikeOut(bool strikeOut) { setProperty(FontStrikeOut, strikeOut); } inline bool fontStrikeOut() const { return boolProperty(FontStrikeOut); } inline void setUnderlineColor(const QColor &color) { setProperty(TextUnderlineColor, color); } inline QColor underlineColor() const { return colorProperty(TextUnderlineColor); } inline void setFontFixedPitch(bool fixedPitch) { setProperty(FontFixedPitch, fixedPitch); } inline bool fontFixedPitch() const { return boolProperty(FontFixedPitch); } inline void setFontStretch(qreal factor) { setProperty(FontStretch, factor); } inline int fontStretch() const { return intProperty(FontStretch); } inline void setFontStyleHint(QFont::StyleHint hint, QFont::StyleStrategy strategy = QFont::PreferDefault) { setProperty(FontStyleHint, hint); setProperty(FontStyleStrategy, strategy); } inline void setFontStyleStrategy(QFont::StyleStrategy strategy) { setProperty(FontStyleStrategy, strategy); } QFont::StyleHint fontStyleHint() const { return static_cast(intProperty(FontStyleHint)); } QFont::StyleStrategy fontStyleStrategy() const { return static_cast(intProperty(FontStyleStrategy)); } inline void setFontHintingPreference(QFont::HintingPreference hintingPreference) { setProperty(FontHintingPreference, hintingPreference); } inline QFont::HintingPreference fontHintingPreference() const { return static_cast(intProperty(FontHintingPreference)); } inline void setFontKerning(bool enable) { setProperty(FontKerning, enable); } inline bool fontKerning() const { return boolProperty(FontKerning); } void setUnderlineStyle(UnderlineStyle style); inline UnderlineStyle underlineStyle() const { return static_cast(intProperty(TextUnderlineStyle)); } inline void setVerticalAlignment(VerticalAlignment alignment) { setProperty(TextVerticalAlignment, alignment); } inline VerticalAlignment verticalAlignment() const { return static_cast(intProperty(TextVerticalAlignment)); } inline void setTextOutline(const QPen &pen) { setProperty(TextOutline, pen); } inline QPen textOutline() const { return penProperty(TextOutline); } inline void setToolTip(const QString &tip) { setProperty(TextToolTip, tip); } inline QString toolTip() const { return stringProperty(TextToolTip); } inline void setAnchor(bool anchor) { setProperty(IsAnchor, anchor); } inline bool isAnchor() const { return boolProperty(IsAnchor); } inline void setAnchorHref(const QString &value) { setProperty(AnchorHref, value); } inline QString anchorHref() const { return stringProperty(AnchorHref); } inline void setAnchorName(const QString &name) { setAnchorNames(QStringList(name)); } QString anchorName() const; inline void setAnchorNames(const QStringList &names) { setProperty(AnchorName, names); } QStringList anchorNames() const; inline void setTableCellRowSpan(int tableCellRowSpan); inline int tableCellRowSpan() const { int s = intProperty(TableCellRowSpan); if (s == 0) s = 1; return s; } inline void setTableCellColumnSpan(int tableCellColumnSpan); inline int tableCellColumnSpan() const { int s = intProperty(TableCellColumnSpan); if (s == 0) s = 1; return s; } protected: explicit QTextCharFormat(const QTextFormat &fmt); friend class QTextFormat; }; inline void QTextCharFormat::setTableCellRowSpan(int _tableCellRowSpan) { if (_tableCellRowSpan <= 1) clearProperty(TableCellRowSpan); // the getter will return 1 here. else setProperty(TableCellRowSpan, _tableCellRowSpan); } inline void QTextCharFormat::setTableCellColumnSpan(int _tableCellColumnSpan) { if (_tableCellColumnSpan <= 1) clearProperty(TableCellColumnSpan); // the getter will return 1 here. else setProperty(TableCellColumnSpan, _tableCellColumnSpan); } class Q_GUI_EXPORT QTextBlockFormat : public QTextFormat { public: enum LineHeightTypes { SingleHeight = 0, ProportionalHeight = 1, FixedHeight = 2, MinimumHeight = 3, LineDistanceHeight = 4 }; QTextBlockFormat(); bool isValid() const { return isBlockFormat(); } inline void setAlignment(Qt::Alignment alignment); inline Qt::Alignment alignment() const { int a = intProperty(BlockAlignment); if (a == 0) a = Qt::AlignLeft; return QFlag(a); } inline void setTopMargin(qreal margin) { setProperty(BlockTopMargin, margin); } inline qreal topMargin() const { return doubleProperty(BlockTopMargin); } inline void setBottomMargin(qreal margin) { setProperty(BlockBottomMargin, margin); } inline qreal bottomMargin() const { return doubleProperty(BlockBottomMargin); } inline void setLeftMargin(qreal margin) { setProperty(BlockLeftMargin, margin); } inline qreal leftMargin() const { return doubleProperty(BlockLeftMargin); } inline void setRightMargin(qreal margin) { setProperty(BlockRightMargin, margin); } inline qreal rightMargin() const { return doubleProperty(BlockRightMargin); } inline void setTextIndent(qreal aindent) { setProperty(TextIndent, aindent); } inline qreal textIndent() const { return doubleProperty(TextIndent); } inline void setIndent(int indent); inline int indent() const { return intProperty(BlockIndent); } inline void setLineHeight(qreal height, int heightType) { setProperty(LineHeight, height); setProperty(LineHeightType, heightType); } inline qreal lineHeight(qreal scriptLineHeight, qreal scaling) const; inline qreal lineHeight() const { return doubleProperty(LineHeight); } inline int lineHeightType() const { return intProperty(LineHeightType); } inline void setNonBreakableLines(bool b) { setProperty(BlockNonBreakableLines, b); } inline bool nonBreakableLines() const { return boolProperty(BlockNonBreakableLines); } inline void setPageBreakPolicy(PageBreakFlags flags) { setProperty(PageBreakPolicy, int(flags)); } inline PageBreakFlags pageBreakPolicy() const { return PageBreakFlags(intProperty(PageBreakPolicy)); } void setTabPositions(const QList &tabs); QList tabPositions() const; protected: explicit QTextBlockFormat(const QTextFormat &fmt); friend class QTextFormat; }; inline void QTextBlockFormat::setAlignment(Qt::Alignment aalignment) { setProperty(BlockAlignment, int(aalignment)); } inline void QTextBlockFormat::setIndent(int aindent) { setProperty(BlockIndent, aindent); } inline qreal QTextBlockFormat::lineHeight(qreal scriptLineHeight, qreal scaling = 1.0) const { switch(intProperty(LineHeightType)) { case SingleHeight: return(scriptLineHeight); case ProportionalHeight: return(scriptLineHeight * doubleProperty(LineHeight) / 100.0); case FixedHeight: return(doubleProperty(LineHeight) * scaling); case MinimumHeight: return(qMax(scriptLineHeight, doubleProperty(LineHeight) * scaling)); case LineDistanceHeight: return(scriptLineHeight + doubleProperty(LineHeight) * scaling); } return(0); } class Q_GUI_EXPORT QTextListFormat : public QTextFormat { public: QTextListFormat(); bool isValid() const { return isListFormat(); } enum Style { ListDisc = -1, ListCircle = -2, ListSquare = -3, ListDecimal = -4, ListLowerAlpha = -5, ListUpperAlpha = -6, ListLowerRoman = -7, ListUpperRoman = -8, ListStyleUndefined = 0 }; inline void setStyle(Style style); inline Style style() const { return static_cast