These are now properties of insets that can be operators :
InsetMathSymbols, InsetMathDecoration (for over/underbrace) and
InsetMathMacro (for its contents).
Each of these has a limit_ member that allows to remember a limit
forcing and a member defaultLimits() that indicates what to do in the
absence of such forcing. Moreover the write() method calls
writeLimits().
This allows to simplify the definitions of integrals in lib/symbols by
defining the integrals as macros of their "op" version, as it is done in
the style files.
Also, many hardcoded assumptions can now be removed.
The handling of LFUN_MATH_LIMITS is now done in InsetNest, which tries
successively to apply the limit change to (1) the character after
cursor, (2) the character before cursor and (3) the character at the
end of the inset (useful for script insets?)
The new code allows to define
\newcommand\int{\intop\limits}
but not
\newcommand\makelimits#1{#1\limits}
It is also possible to type explicitly \limits or \nolimits to modify
a symbol.
This done according to the TeXbook. This class replaces the individual
isMathXXX() methods. The mathClass() method (currently unused) is
provided for the following insets:
* InsetMathChar (with a revised list of affected characters)
* InsetMathSymbol: the class is given by the `extra' field
Operators defined in lib/symbols (e.g. \log) are MC_OP
* InsetMathFrac is MC_INNER (except nicefrac and units)
* InsetDelimiters is MC_INNER
* InsetStackrel is MC_REL
* The class of InsetScript is the class of the last element of its
nucleus (yes, it is a hack, but doing it right is more work).
Remove the explicit spacing that was done in the different insets. The spacing
will be reintroduced properly in a forthcoming commit.
This is a first cleanup step. More complex rules have to be
implemented on top of this.
Use proper spacing \thinmuskip, \medmuskip and \thickmuskip instead of
ad-hoc values.
Rename isRelOp to isMathRel and introduce isMathBin and isMathPunct
(for InsetMathChar and InsetMathSymbol). Update the categories of
characters in InsetMathChar according to LaTeX source (fontmath.ltx).
Set correctly the spacing around mathrel, mathbin and mathpunct
elements. Use \thinmuskip around MathDelim instead of a hardcoded 4.
This is related to bug #8883.
Some macros defined by wasysym.sty work only in text mode: They either
produce an error in math mode, or wrong output. These symbols are now marked
as text symbols, so that no \ensuremath is created for LaTeX export if they
appear inside \text{}, and the correct images are created.
I may have to re-do some of the symbols file to make this work properly.
Some of the entities used may have been MathML only.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33942 a592a061-630c-0410-9148-cb99ea01b6c8
* Font::FontBits -> FontInfo
* Font::FONT_XXX -> all enums transfered to FontEnums.h and renamed to FontXxx
I've replaced Font uses with FontInfo were the language() member was not needed, basically all draw() and metrics methods. There's one problematic cases with InsetQuotes which I solved by taking the Buffer main language.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21240 a592a061-630c-0410-9148-cb99ea01b6c8
- get rid of the cached Dimension. Text inset dimensions are saved in ParagraphMetrics and mathed maintain their own dimension where needed.
- width(), ascent(), descent(): deleted.
- dimension(): now needs a valid BufferView.
- metrics(): now void.
* BufferView::getCoveringInset(): simplify.
* ParagraphMetrics(): now cache inset dimensions.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20420 a592a061-630c-0410-9148-cb99ea01b6c8
This commit avoids unnecessary metrics recalculations by caching the last LyXFont used. I had to cleanup the width(), ascent() and descend() redundancies by transferring that to InsetBase.
InsetMathDim should go now as it is not really needed.
* InsetBase: properly handle inset Dimension.
* InsetOld: get rid of redundant width(), ascent() and descent()
* InsetMathDim: ditto
* InsetMathChar::metrics(): avoid metrics recalculation if font is unchanged.
* InsetMathSymbol::metrics(): ditto
* InsetMathKern: use InsetBase::dim_ instead of local ones.
* InsetMathSpace:
- use InsetBase::dim_ instead of local ones.
- space to width transformation transferred to anonymous namespace.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17899 a592a061-630c-0410-9148-cb99ea01b6c8
* src/mathed/InsetMathScript.C
(isAlphaSymbol): New. Return true if nucleus is a letter or a
symbol whose type is mathord or mathalpha.
(InsetMathScript::dy01): Apply rule 18a accounting for nucleus type.
* src/mathed/MathData.C
(MathArray::metrics): Account for the fact that some fonts (eg.
mathcal) do not have a lower case x glyph.
* src/mathed/InsetMathSymbol.[Ch]
(InsetMathSymbol::isOrdAlpha): New. Return true if type of symbol
is mathord or mathalpha.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17518 a592a061-630c-0410-9148-cb99ea01b6c8
* src/mathed/MathSupport.[Ch]
(mathed_char_kerning): New. Compute right kerning for the given
font and character as the difference between right bearing and
logical width.
* src/mathed/InsetMathScript.[Ch]
(InsetMathScript::dx1, InsetMathScript::metrics): Account for
nucleus right kerning.
(InsetMathScript::nker): New. Return the nucleus right kerning
if positive, zero otherwise.
* src/mathed/MathData.[Ch]
(MathArray::metrics): Cache the nucleus right kerning value.
(MathArray::kerning): New. Return cached right kerning.
* src/mathed/InsetMathChar.[Ch]
(InsetMathChar::metrics): Cache the character right kerning.
(InsetMathChar::kerning): New. Return cached right kerning.
* src/mathed/InsetMath.h
(InsetMath::kerning): New virtual method.
* src/mathed/InsetMathSymbol.[Ch]
(InsetMathSymbol::metrics): Cache the symbol right kerning.
(InsetMathSymbol::kerning): New. Return cached right kerning.
* src/mathed/InsetMathFont.[Ch]
(InsetMathFont::kerning): New. Return cached right kerning.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17497 a592a061-630c-0410-9148-cb99ea01b6c8
