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some *cough* support for \ll and \gg and potentially more...
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2561 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -26,6 +26,8 @@ libmathed_la_SOURCES = \
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math_bigopinset.h \
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math_binominset.C \
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math_binominset.h \
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math_cheatinset.C \
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math_cheatinset.h \
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math_charinset.C \
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math_charinset.h \
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math_cursor.C \
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39
src/mathed/math_cheatinset.C
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39
src/mathed/math_cheatinset.C
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@ -0,0 +1,39 @@
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "math_cheatinset.h"
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#include "support.h"
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#include "support/LOstream.h"
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MathCheatInset::MathCheatInset(double w)
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: wid_(w)
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{}
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MathInset * MathCheatInset::clone() const
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{
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return new MathCheatInset(*this);
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}
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void MathCheatInset::draw(Painter & pain, int x, int y) const
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{}
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void MathCheatInset::write(std::ostream &, bool) const
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{}
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void MathCheatInset::writeNormal(std::ostream &) const
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{}
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void MathCheatInset::metrics(MathStyles st) const
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{
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// mimic -.1em
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mathed_char_dim(LM_TC_CONST, st, 'm', ascent_, descent_, width_);
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width_ *= wid_;
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}
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31
src/mathed/math_cheatinset.h
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31
src/mathed/math_cheatinset.h
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@ -0,0 +1,31 @@
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// -*- C++ -*-
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#ifndef MATH_CHEATINSET_H
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#define MATH_CHEATINSET_H
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#include "math_diminset.h"
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#ifdef __GNUG__
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#pragma interface
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#endif
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/// Some cheating for displaying things like \ll etc
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class MathCheatInset : public MathDimInset {
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public:
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///
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explicit MathCheatInset(double wid);
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///
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MathInset * clone() const;
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///
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void draw(Painter &, int x, int y) const;
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///
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void write(std::ostream &, bool fragile) const;
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///
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void writeNormal(std::ostream &) const;
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///
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void metrics(MathStyles st) const;
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private:
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/// width in em
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double wid_;
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};
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#endif
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@ -137,7 +137,6 @@ latexkeys wordlist[] =
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{"gamma", LM_TK_SYM, LM_gamma, LMB_NONE},
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{"gcd", LM_TK_FUNCLIM, 0, LMB_NONE},
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{"geq", LM_TK_SYM, LM_geq, LMB_RELATION},
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{"gg", LM_TK_NOGLYPH, 0, LMB_RELATION},
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{"grave", LM_TK_DECORATION, LM_grave, LMB_NONE},
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{"hat", LM_TK_DECORATION, LM_hat, LMB_NONE},
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{"hbar", LM_TK_NOGLYPH, 0, LMB_NONE},
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@ -171,7 +170,6 @@ latexkeys wordlist[] =
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{"liminf", LM_TK_FUNCLIM, 0, LMB_NONE},
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{"limits", LM_TK_LIMIT, 1 , LMB_NONE},
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{"limsup", LM_TK_FUNCLIM, 0, LMB_NONE},
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{"ll", LM_TK_NOGLYPH, 0, LMB_RELATION},
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{"ln", LM_TK_FUNC, 0, LMB_NONE},
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{"log", LM_TK_FUNC, 0, LMB_NONE},
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{"longleftarrow", LM_TK_NOGLYPH, 0, LMB_NONE},
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@ -11,6 +11,8 @@
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#include "math_macrotemplate.h"
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#include "math_parser.h"
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#include "math_fracinset.h"
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#include "math_cheatinset.h"
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#include "math_charinset.h"
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#include "debug.h"
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@ -100,4 +102,16 @@ void MathMacroTable::builtinMacros()
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//createTemplate("lint", 4, "\\int_#1^#2#3 d#4");
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//createTemplate("silentmult", 0, "\\cdot");
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//createTemplate("binom", 2, "\\left(\\frac#1#2\\right)");
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MathMacroTemplate ll("ll", 0);
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ll.cell(0).push_back(new MathCharInset('<', LM_TC_CONST));
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ll.cell(0).push_back(new MathCheatInset(-0.9));
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ll.cell(0).push_back(new MathCharInset('<', LM_TC_CONST));
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insertTemplate(ll);
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MathMacroTemplate gg("gg", 0);
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gg.cell(0).push_back(new MathCharInset('>', LM_TC_CONST));
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gg.cell(0).push_back(new MathCheatInset(-0.9));
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gg.cell(0).push_back(new MathCharInset('>', LM_TC_CONST));
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insertTemplate(gg);
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}
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