HullType hullType(docstring const & name);
docstring hullName(HullType type);
+
+enum Limits {
+ // what is obtained with \c \\nolimits
+ NO_LIMITS = -1,
+ // the default
+ AUTO_LIMITS = 0,
+ // what is obtained with \c \\limits
+ LIMITS = 1
+};
+
+
/**
Abstract base class for all math objects. A math insets is for use of the
*/
+class Cursor;
class OutputParams;
+class MetricsInfo;
+
class InsetMathArray;
class InsetMathAMSArray;
class InsetMathBrace;
class InsetMathChar;
+class InsetMathClass;
class InsetMathDelim;
class InsetMathFracBase;
class InsetMathFrac;
class InsetMathSpace;
class InsetMathSpecialChar;
class InsetMathSymbol;
+class InsetMathSubstack;
class InsetMathUnknown;
-
class InsetMathRef;
class HtmlStream;
class WriteStream;
class MathData;
-class MathMacroTemplate;
-class MathMacro;
-class Cursor;
+class InsetMathMacroTemplate;
+class InsetMathMacro;
+class MathRow;
class TextPainter;
class TextMetricsInfo;
class ReplaceData;
class InsetMath : public Inset {
public:
///
- InsetMath(Buffer * buf = 0) : Inset(buf) {}
+ explicit InsetMath(Buffer * buf = 0) : Inset(buf) {}
/// identification as math inset
InsetMath * asInsetMath() { return this; }
/// identification as math inset
/// this is overridden by specific insets
virtual mode_type currentMode() const { return MATH_MODE; }
+ // The possible marker types for math insets
+ enum marker_type { NO_MARKER, MARKER2, MARKER, BOX_MARKER };
+ /// this is overridden by insets with specific edit marker type
+ virtual marker_type marker(BufferView const *) const;
+
/// the ascent of the inset above the baseline
/// compute the size of the object for text based drawing
virtual void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
virtual MathData const & cell(idx_type) const;
/// identifies certain types of insets
- virtual InsetMathAMSArray * asAMSArrayInset() { return 0; }
- virtual InsetMathAMSArray const * asAMSArrayInset() const { return 0; }
- virtual InsetMathArray * asArrayInset() { return 0; }
- virtual InsetMathArray const * asArrayInset() const { return 0; }
- virtual InsetMathBrace * asBraceInset() { return 0; }
- virtual InsetMathBrace const * asBraceInset() const { return 0; }
- virtual InsetMathChar const * asCharInset() const { return 0; }
- virtual InsetMathDelim * asDelimInset() { return 0; }
- virtual InsetMathDelim const * asDelimInset() const { return 0; }
- virtual InsetMathFracBase * asFracBaseInset() { return 0; }
- virtual InsetMathFracBase const * asFracBaseInset() const { return 0; }
- virtual InsetMathFrac * asFracInset() { return 0; }
- virtual InsetMathFrac const * asFracInset() const { return 0; }
- virtual InsetMathFont * asFontInset() { return 0; }
- virtual InsetMathFont const * asFontInset() const { return 0; }
- virtual InsetMathGrid * asGridInset() { return 0; }
- virtual InsetMathGrid const * asGridInset() const { return 0; }
- virtual InsetMathHull * asHullInset() { return 0; }
- virtual InsetMathHull const * asHullInset() const { return 0; }
- virtual MathMacro * asMacro() { return 0; }
- virtual MathMacro const * asMacro() const { return 0; }
- virtual MathMacroTemplate * asMacroTemplate() { return 0; }
- virtual MathMacroTemplate const * asMacroTemplate() const { return 0; }
- virtual InsetMathMatrix const * asMatrixInset() const { return 0; }
- virtual InsetMathNest * asNestInset() { return 0; }
- virtual InsetMathNest const * asNestInset() const { return 0; }
- virtual InsetMathScript * asScriptInset() { return 0; }
- virtual InsetMathScript const * asScriptInset() const { return 0; }
- virtual InsetMathSpace * asSpaceInset() { return 0; }
- virtual InsetMathSpace const * asSpaceInset() const { return 0; }
- virtual InsetMathString * asStringInset() { return 0; }
- virtual InsetMathString const * asStringInset() const { return 0; }
- virtual InsetMathSymbol const * asSymbolInset() const { return 0; }
- virtual InsetMathUnknown * asUnknownInset() { return 0; }
- virtual InsetMathUnknown const * asUnknownInset() const { return 0; }
- virtual InsetMathRef * asRefInset() { return 0; }
- virtual InsetMathSpecialChar const * asSpecialCharInset() const { return 0; }
+ virtual InsetMathAMSArray * asAMSArrayInset() { return nullptr; }
+ virtual InsetMathAMSArray const * asAMSArrayInset() const { return nullptr; }
+ virtual InsetMathArray * asArrayInset() { return nullptr; }
+ virtual InsetMathArray const * asArrayInset() const { return nullptr; }
+ virtual InsetMathBrace * asBraceInset() { return nullptr; }
+ virtual InsetMathBrace const * asBraceInset() const { return nullptr; }
+ virtual InsetMathChar const * asCharInset() const { return nullptr; }
+ virtual InsetMathClass const * asClassInset() const { return nullptr; }
+ virtual InsetMathDelim * asDelimInset() { return nullptr; }
+ virtual InsetMathDelim const * asDelimInset() const { return nullptr; }
+ virtual InsetMathFracBase * asFracBaseInset() { return nullptr; }
+ virtual InsetMathFracBase const * asFracBaseInset() const { return nullptr; }
+ virtual InsetMathFrac * asFracInset() { return nullptr; }
+ virtual InsetMathFrac const * asFracInset() const { return nullptr; }
+ virtual InsetMathFont * asFontInset() { return nullptr; }
+ virtual InsetMathFont const * asFontInset() const { return nullptr; }
+ virtual InsetMathGrid * asGridInset() { return nullptr; }
+ virtual InsetMathGrid const * asGridInset() const { return nullptr; }
+ virtual InsetMathHull * asHullInset() { return nullptr; }
+ virtual InsetMathHull const * asHullInset() const { return nullptr; }
+ virtual InsetMathMacro * asMacro() { return nullptr; }
+ virtual InsetMathMacro const * asMacro() const { return nullptr; }
+ virtual InsetMathMacroTemplate * asMacroTemplate() { return nullptr; }
+ virtual InsetMathMacroTemplate const * asMacroTemplate() const { return nullptr; }
+ virtual InsetMathMatrix const * asMatrixInset() const { return nullptr; }
+ virtual InsetMathNest * asNestInset() { return nullptr; }
+ virtual InsetMathNest const * asNestInset() const { return nullptr; }
+ virtual InsetMathScript * asScriptInset() { return nullptr; }
+ virtual InsetMathScript const * asScriptInset() const { return nullptr; }
+ virtual InsetMathSpace * asSpaceInset() { return nullptr; }
+ virtual InsetMathSpace const * asSpaceInset() const { return nullptr; }
+ virtual InsetMathString * asStringInset() { return nullptr; }
+ virtual InsetMathString const * asStringInset() const { return nullptr; }
+ virtual InsetMathSubstack * asSubstackInset() { return nullptr; }
+ virtual InsetMathSubstack const * asSubstackInset() const { return nullptr; }
+ virtual InsetMathSymbol const * asSymbolInset() const { return nullptr; }
+ virtual InsetMathUnknown * asUnknownInset() { return nullptr; }
+ virtual InsetMathUnknown const * asUnknownInset() const { return nullptr; }
+ virtual InsetMathRef * asRefInset() { return nullptr; }
+ virtual InsetMathSpecialChar const * asSpecialCharInset() const { return nullptr; }
/// The class of the math object (used primarily for spacing)
- virtual MathClass mathClass() const;
+ virtual MathClass mathClass() const { return MC_ORD; }
+ /// Add this inset to a math row. Return true if contents got added
+ virtual bool addToMathRow(MathRow &, MetricsInfo & mi) const;
+ /// Hook that is run before metrics computation starts
+ virtual void beforeMetrics() const {}
+ /// Hook that is run after metrics computation
+ virtual void afterMetrics() const {}
+ /// Hook that is run before actual drawing
+ virtual void beforeDraw(PainterInfo const &) const {}
+ /// Hook that is run after drawing
+ virtual void afterDraw(PainterInfo const &) const {}
- /// identifies things that can get scripts
- virtual bool isScriptable() const { return false; }
/// will this get written as a single block in {..}
virtual bool extraBraces() const { return false; }
/// return the content as char if the inset is able to do so
virtual char_type getChar() const { return 0; }
- /// identifies things that can get \limits or \nolimits
- virtual bool takesLimits() const { return false; }
+
+ /// Whether the inset allows \(no)limits
+ bool allowsLimitsChange() const { return mathClass() == MC_OP; }
+ /// The default limits value
+ virtual Limits defaultLimits() const { return NO_LIMITS; }
+ /// whether the inset has limit-like sub/superscript
+ virtual Limits limits() const { return AUTO_LIMITS; }
+ /// sets types of sub/superscripts
+ virtual void limits(Limits) {}
+ /// write limits status for LaTeX and LyX code
+ void writeLimits(WriteStream & os) const;
/// replace things by other things
virtual void replace(ReplaceData &) {}
/// math stuff usually isn't allowed in text mode
virtual bool allowedIn(mode_type mode) const { return mode == MATH_MODE; }
- /// superscript kerning
+ /// Italic correction as described in InsetMathScript.h
virtual int kerning(BufferView const *) const { return 0; }
///
bool isInToc() const { return true; }
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