mathed108.diff

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2352 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
André Pönitz 2001-07-26 06:46:50 +00:00
parent a853f5850b
commit 9ccefe810b
48 changed files with 466 additions and 488 deletions

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@ -2,6 +2,9 @@
* formulabase.C: re-enable 'space enlargement' feature
* math_scriptinset.C:
math_bigopinset.C: rework of script insets
2001-07-22 André Pönitz <poenitz@gmx.net>
* math_cursor.C: fix "pullArg" behaviour

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@ -62,8 +62,6 @@ libmathed_la_SOURCES = \
math_spaceinset.h \
math_sqrtinset.C \
math_sqrtinset.h \
math_updowninset.C \
math_updowninset.h \
math_utils.C \
math_utils.h \
support.C \

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@ -369,3 +369,11 @@ void MathArray::Validate(LaTeXFeatures & features) const
nextInset(pos)->Validate(features);
}
void MathArray::pop_back()
{
int pos = size();
prev(pos);
erase(pos);
}

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@ -92,6 +92,8 @@ public:
///
void push_back(MathArray const &);
///
void pop_back();
///
MathInset * back_inset() const;
///

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@ -271,6 +271,14 @@ InsetFormula::localDispatch(BufferView * bv, kb_action action,
updateLocal(bv, true);
break;
}
case LFUN_PASTESELECTION:
{
string const clip = bv->getClipboard();
if (!clip.empty())
par(mathed_parse(clip));
break;
}
default:
result = InsetFormulaBase::localDispatch(bv, action, arg);

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@ -507,7 +507,6 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
}
break;
// cursor selection ----------------------------
case LFUN_PASTE:
if (was_macro)

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@ -7,7 +7,7 @@
using std::ostream;
MathBigopInset::MathBigopInset(string const & name, int id)
: MathUpDownInset(false, false), sym_(id), limits_(0)
: sym_(id)
{
SetName(name);
}
@ -19,29 +19,10 @@ MathInset * MathBigopInset::clone() const
}
int MathBigopInset::limits() const
{
return limits_;
}
void MathBigopInset::limits(int limits)
{
limits_ = limits;
}
bool MathBigopInset::hasLimits() const
{
return limits_ == 1 || (limits_ == 0 && size() == LM_ST_DISPLAY);
}
void MathBigopInset::Write(ostream & os, bool fragile) const
void MathBigopInset::Write(ostream & os, bool /* fragile */) const
{
//bool f = sym_ != LM_int && sym_ != LM_oint && size() == LM_ST_DISPLAY;
os << '\\' << name();
MathUpDownInset::Write(os, fragile);
}
@ -51,7 +32,7 @@ void MathBigopInset::WriteNormal(ostream & os) const
}
void MathBigopInset::Metrics(MathStyles st, int, int)
void MathBigopInset::Metrics(MathStyles st)
{
//cerr << "\nBigopDraw\n";
size(st);
@ -65,50 +46,9 @@ void MathBigopInset::Metrics(MathStyles st, int, int)
code_ = LM_TC_TEXTRM;
}
int wid;
mathed_string_dim(code_, size(), ssym_, ascent_, descent_, wid);
mathed_string_dim(code_, size(), ssym_, ascent_, descent_, width_);
if (sym_ == LM_oint)
wid += 2;
//cerr << " asc: " << ascent_ << " des: " << descent_
// << " wid: " << wid << "\n";
//cerr << " hasLimits: " << hasLimits() << " up: "
// << up() << " down: " << down() << "\n";
width_ = wid;
if (hasLimits()) {
xcell(0).Metrics(st);
xcell(1).Metrics(st);
//cerr << " 0: ascent_: " << xcell(0).ascent() << " descent_: " <<
// xcell(0).descent() << " width_: " << xcell(0).width() << "\n";
//cerr << " 1: ascent_: " << xcell(1).ascent() << " descent_: " <<
// xcell(1).descent() << " width_: " << xcell(1).width() << "\n";
if (up()) {
ascent_ += xcell(0).height() + 1;
width_ = std::max(width_, xcell(0).width());
dy0_ = - (ascent_ - xcell(0).ascent());
}
if (down()) {
descent_ += xcell(1).height() + 1;
width_ = std::max(width_, xcell(1).width());
dy1_ = descent_ - xcell(1).descent();
}
dxx_ = (width_ - wid) / 2;
dx0_ = (width_ - xcell(0).width()) / 2;
dx1_ = (width_ - xcell(1).width()) / 2;
//cerr << " ascent_: " << ascent_ << " descent_: "
// << descent_ << " width_: " << width_ << "\n";
//cerr << " dx0_: " << dx0_ << " dx1_: " << dx1_
// << " dxx_: " << dxx_ << "\n";
//cerr << " dy0_: " << dy0_ << " dy1_: " << dy1_
// << "\n";
} else {
MathUpDownInset::Metrics(st, ascent_, descent_);
width_ += wid;
dx0_ = wid;
dx1_ = wid;
dxx_ = 0;
}
width_ += 2;
}
@ -117,12 +57,7 @@ void MathBigopInset::draw(Painter & pain, int x, int y)
xo(x);
yo(y);
drawStr(pain, code_, size_, x + dxx_, y, ssym_);
if (up())
xcell(0).draw(pain, x + dx0_, y + dy0_);
if (down())
xcell(1).draw(pain, x + dx1_, y + dy1_);
drawStr(pain, code_, size_, x, y, ssym_);
if (sym_ == LM_oint) {
int xx = x - 1;
@ -130,5 +65,3 @@ void MathBigopInset::draw(Painter & pain, int x, int y)
pain.arc(xx, yy, width_, width_, 0, 360 * 64, LColor::mathline);
}
}

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@ -2,10 +2,10 @@
#ifndef MATH_BIGOPINSET_H
#define MATH_BIGOPINSET_H
#include "math_updowninset.h"
#include "math_inset.h"
/// big operators
class MathBigopInset : public MathUpDownInset {
class MathBigopInset : public MathInset {
public:
///
MathBigopInset(string const &, int);
@ -16,31 +16,17 @@ public:
///
void WriteNormal(std::ostream &) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
void draw(Painter &, int, int);
///
void limits(int);
///
int limits() const;
/// Identifies BigopInsets
bool isBigopInset() const { return true; }
bool isScriptable() const { return true; }
private:
///
bool hasLimits() const;
///
int sym_;
///
string ssym_;
///
MathTextCodes code_;
/// 1: \limits, -1: \nolimits, 0: use default
int limits_;
/// x offset for drawing the superscript
int dx0_;
/// x offset for drawing the subscript
int dx1_;
/// x offset for drawing the inner symbol
int dxx_;
};
#endif

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@ -115,8 +115,6 @@ struct Selection
data_.clear();
}
std::vector<MathArray> data_;
};
@ -124,20 +122,6 @@ struct Selection
Selection theSelection;
bool IsMacro(short tok, int id)
{
return tok != LM_TK_STACK &&
tok != LM_TK_FRAC &&
tok != LM_TK_SQRT &&
tok != LM_TK_DECORATION &&
tok != LM_TK_SPACE &&
tok != LM_TK_DOTS &&
tok != LM_TK_FUNCLIM &&
tok != LM_TK_BIGSYM &&
!(tok == LM_TK_SYM && id < 255);
}
std::ostream & operator<<(std::ostream & os, MathCursorPos const & p)
{
os << "(par: " << p.par_ << " idx: " << p.idx_
@ -229,7 +213,7 @@ bool MathCursor::openable(MathInset * p, bool sel, bool useupdown) const
{
if (!p)
return false;
if (!(p->isActive() || (useupdown && p->isUpDownInset())))
if (!(p->isActive() || (useupdown && p->isScriptInset())))
return false;
if (sel) {
@ -376,8 +360,7 @@ void MathCursor::SetPos(int x, int y)
void MathCursor::Home()
{
dump("Home 1");
if (macro_mode)
MacroModeClose();
MacroModeClose();
clearLastCode();
if (!cursor().par_->idxHome(cursor().idx_, cursor().pos_))
pop();
@ -388,8 +371,7 @@ void MathCursor::Home()
void MathCursor::End()
{
dump("End 1");
if (macro_mode)
MacroModeClose();
MacroModeClose();
clearLastCode();
if (!cursor().par_->idxEnd(cursor().idx_, cursor().pos_)) {
pop();
@ -399,6 +381,12 @@ void MathCursor::End()
}
void MathCursor::erase()
{
array().erase(cursor().pos_);
}
void MathCursor::insert(char c, MathTextCodes t)
{
//lyxerr << "inserting '" << c << "'\n";
@ -623,15 +611,22 @@ void MathCursor::SetSize(MathStyles size)
void MathCursor::Interpret(string const & s)
{
lyxerr << "Interpret: '" << s << "' ('" << s.substr(0, 7) << "' " <<
in_word_set(s) << " \n";
//lyxerr << "Interpret: '" << s << "'\n";
//lyxerr << "in: " << in_word_set(s) << " \n";
if (s[0] == '^' || s[0] == '_') {
if (s.size() && (s[0] == '^' || s[0] == '_')) {
bool const up = (s[0] == '^');
SelCut();
MathUpDownInset * p = prevUpDownInset();
MathScriptInset * p = prevScriptInset();
if (!p) {
p = new MathScriptInset(up, !up);
MathInset * b = prevInset();
if (b && b->isScriptable()) {
p = new MathScriptInset(up, !up, b->clone());
plainLeft();
erase();
} else {
p = new MathScriptInset(up, !up);
}
insert(p);
plainLeft();
}
@ -680,8 +675,8 @@ in_word_set(s) << " \n";
} else {
switch (l->token) {
case LM_TK_BIGSYM:
p = new MathBigopInset(l->name, l->id);
break;
p = new MathBigopInset(s, l->id);
break;
case LM_TK_SYM: {
MathTextCodes code = static_cast<MathTextCodes>(l->id);
@ -760,27 +755,14 @@ void MathCursor::MacroModeOpen()
void MathCursor::MacroModeClose()
{
if (macro_mode) {
if (macro_mode) {
string name = imacro->name();
plainLeft();
erase();
delete imacro;
macro_mode = false;
latexkeys const * l = in_word_set(imacro->name());
if (!imacro->name().empty()
&& (!l || (l && IsMacro(l->token, l->id)))
&& !MathMacroTable::hasTemplate(imacro->name()))
{
if (!l) {
//imacro->SetName(macrobf);
// This guarantees that the string will be removed by destructor
imacro->SetType(LM_OT_UNDEF);
} else
imacro->SetName(l->name);
} else {
Left();
array().erase(cursor().pos_);
if (l || MathMacroTable::hasTemplate(imacro->name()))
Interpret(imacro->name());
imacro->SetName(string());
}
imacro = 0;
Interpret(name);
}
}
@ -1095,11 +1077,11 @@ MathInset * MathCursor::nextInset() const
}
MathUpDownInset * MathCursor::prevUpDownInset() const
MathScriptInset * MathCursor::prevScriptInset() const
{
normalize();
MathInset * p = array().prevInset(cursor().pos_);
return (p && p->isUpDownInset()) ? static_cast<MathUpDownInset *>(p) : 0;
return (p && p->isScriptInset()) ? static_cast<MathScriptInset *>(p) : 0;
}

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@ -25,7 +25,7 @@
class MathInset;
class MathFuncInset;
class MathUpDownInset;
class MathScriptInset;
class MathSpaceInset;
class InsetFormulaBase;
class MathArray;
@ -76,6 +76,8 @@ public:
///
void insert(MathArray const &);
///
void erase();
///
void Home();
///
void End();
@ -259,7 +261,7 @@ public:
///
MathInset * prevInset() const;
///
MathUpDownInset * prevUpDownInset() const;
MathScriptInset * prevScriptInset() const;
///
MathSpaceInset * prevSpaceInset() const;

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@ -25,7 +25,7 @@ MathInset * MathDecorationInset::clone() const
void MathDecorationInset::Metrics(MathStyles st, int, int)
void MathDecorationInset::Metrics(MathStyles st)
{
xcell(0).Metrics(st);
size_ = st;

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@ -22,7 +22,7 @@ public:
///
void Write(std::ostream &, bool fragile) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
void WriteNormal(std::ostream & os) const;
private:

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@ -86,7 +86,7 @@ int MathDelimInset::dw() const
}
void MathDelimInset::Metrics(MathStyles st, int, int)
void MathDelimInset::Metrics(MathStyles st)
{
xcell(0).Metrics(st);
size_ = st;

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@ -22,7 +22,7 @@ public:
///
void Write(std::ostream &, bool fragile) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
private:
int dw() const;
///

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@ -31,7 +31,7 @@ void MathDotsInset::draw(Painter & pain, int x, int y)
}
void MathDotsInset::Metrics(MathStyles st, int, int)
void MathDotsInset::Metrics(MathStyles st)
{
size(st);
mathed_char_dim(LM_TC_VAR, size(), 'M', ascent_, descent_, width_);

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@ -23,7 +23,7 @@ public:
///
void WriteNormal(std::ostream &) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
protected:
///
int dh_;

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@ -19,7 +19,7 @@ MathInset * MathFracInset::clone() const
}
void MathFracInset::Metrics(MathStyles st, int, int)
void MathFracInset::Metrics(MathStyles st)
{
size_ = smallerStyleFrac(st);
xcell(0).Metrics(size_);

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@ -22,7 +22,7 @@ public:
///
virtual void WriteNormal(std::ostream &) const;
///
virtual void Metrics(MathStyles st, int asc = 0, int des = 0);
virtual void Metrics(MathStyles st);
///
virtual void draw(Painter &, int x, int baseline);
///

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@ -39,7 +39,7 @@ void MathFuncInset::WriteNormal(std::ostream & os) const
}
void MathFuncInset::Metrics(MathStyles st, int, int)
void MathFuncInset::Metrics(MathStyles st)
{
size_ = st;
if (name_.empty())

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@ -25,7 +25,7 @@ public:
///
void WriteNormal(std::ostream &) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
private:
///
bool lims_;

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@ -74,7 +74,7 @@ char MathGridInset::valign() const
return v_align_;
}
void MathGridInset::Metrics(MathStyles st, int, int)
void MathGridInset::Metrics(MathStyles st)
{
// let the cells adjust themselves
MathInset::Metrics(st);

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@ -58,7 +58,7 @@ public:
///
void Write(std::ostream &, bool fragile) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
void draw(Painter &, int, int);
///

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@ -82,7 +82,7 @@ latexkeys const wordlist[] =
{"widehat", LM_TK_DECORATION, LM_widehat},
{"sin", LM_TK_FUNC, 0},
{"asymp", LM_TK_SYM, LM_asymp},
{"nolimits", LM_TK_LIMIT, 0 },
{"nolimits", LM_TK_LIMIT, -1},
{"perp", LM_TK_MACRO, LM_perp},
{"wedge", LM_TK_SYM, LM_wedge},
{"ln", LM_TK_FUNC, 0},

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@ -170,7 +170,7 @@ void MathInset::substitute(MathArray & array, MathMacro const & m) const
array.push_back(p);
}
void MathInset::Metrics(MathStyles st, int, int)
void MathInset::Metrics(MathStyles st)
{
size_ = st;
for (int i = 0; i < nargs(); ++i)

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@ -64,7 +64,7 @@ public:
/// Appends itself with macro arguments substituted
virtual void substitute(MathArray & array, MathMacro const & macro) const;
/// Compute the size of the object
virtual void Metrics(MathStyles st, int = 0, int = 0) = 0;
virtual void Metrics(MathStyles st) = 0;
///
virtual int ascent() const;
///
@ -178,10 +178,10 @@ public:
void GetXY(int & x, int & y) const;
///
bool covers(int x, int y) const;
/// Identifies things that can get scripts
virtual bool isScriptable() const { return false; }
/// Identifies ScriptInsets
virtual bool isUpDownInset() const { return false; }
/// Identifies BigopInsets
virtual bool isBigopInset() const { return false; }
virtual bool isScriptInset() const { return false; }
/// Identifies SpaceInsets
virtual bool isSpaceInset() const { return false; }
///

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@ -49,7 +49,7 @@ MathInset * MathMacro::clone() const
}
void MathMacro::Metrics(MathStyles st, int, int)
void MathMacro::Metrics(MathStyles st)
{
if (mathcursor && mathcursor->isInside(this)) {
expanded_ = tmplate_->xcell(0);

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@ -43,7 +43,7 @@ public:
///
void draw(Painter &, int, int);
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
MathInset * clone() const;
///

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@ -34,7 +34,7 @@ void MathMacroArgument::draw(Painter & pain, int x, int y)
}
void MathMacroArgument::Metrics(MathStyles st, int, int)
void MathMacroArgument::Metrics(MathStyles st)
{
char str[] = "#0";
str[1] += number_;

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@ -18,7 +18,7 @@ public:
///
MathInset * clone() const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
void draw(Painter &, int x, int baseline);
///

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@ -49,7 +49,7 @@ void MathMacroTemplate::Write(std::ostream & os, bool fragile) const
}
void MathMacroTemplate::Metrics(MathStyles st, int, int)
void MathMacroTemplate::Metrics(MathStyles st)
{
xcell(0).Metrics(st);
size_ = st;

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@ -32,7 +32,7 @@ public:
///
void draw(Painter &, int, int);
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
private:
///
int numargs_;

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@ -92,7 +92,7 @@ MathInset * MathMatrixInset::clone() const
}
void MathMatrixInset::Metrics(MathStyles /* st */, int, int)
void MathMatrixInset::Metrics(MathStyles /* st */)
{
size_ = (GetType() == LM_OT_SIMPLE) ? LM_ST_TEXT : LM_ST_DISPLAY;

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@ -27,7 +27,7 @@ public:
///
void Write(std::ostream &, bool fragile) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
void draw(Painter &, int, int);
///

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@ -339,26 +339,34 @@ int yylex()
}
MathInset * lastUpDownInset(MathArray & array, bool up, bool down)
MathScriptInset * prevScriptInset(MathArray const & array)
{
MathInset * p = array.back_inset();
if (!p || !p->isUpDownInset()) {
p = new MathScriptInset(up, down);
array.push_back(p);
}
MathUpDownInset * q = static_cast<MathScriptInset *>(p);
if (up)
q->up(true);
if (down)
q->down(down);
return p;
return (p && p->isScriptInset()) ? static_cast<MathScriptInset *>(p) : 0;
}
MathBigopInset * lastBigopInset(MathArray & array)
MathInset * lastScriptInset(MathArray & array, bool up, bool down, int limits)
{
MathInset * p = array.back_inset();
return (p && p->isBigopInset()) ? static_cast<MathBigopInset *>(p) : 0;
MathScriptInset * p = prevScriptInset(array);
if (!p) {
MathInset * b = array.back_inset();
if (b && b->isScriptable()) {
p = new MathScriptInset(up, down, b->clone());
array.pop_back();
} else {
p = new MathScriptInset(up, down);
}
array.push_back(p);
}
if (up)
p->up(true);
if (down)
p->down(down);
if (limits)
p->limits(limits);
return p;
}
@ -499,11 +507,14 @@ void mathed_parse(MathArray & array, unsigned flags)
static int plevel = -1;
yyvarcode = LM_TC_VAR;
int brace = 0;
int brace = 0;
int limits = 0;
++plevel;
while (t) {
//lyxerr << "t: " << t << " flags: " << flags << " i: " << yylval.i << " "
//lyxerr << "t: " << t << " flags: " << flags << " i: " << yylval.i
// << " TK_LIMIT " << LM_TK_LIMIT << "\n";
// << " plevel: " << plevel << " ";
//array.dump(lyxerr);
//lyxerr << "\n";
@ -585,48 +596,46 @@ void mathed_parse(MathArray & array, unsigned flags)
break;
case '^':
mathed_parse(lastUpDownInset(array, true, false)->cell(0), FLAG_ITEM);
mathed_parse(
lastScriptInset(array, true, false, limits)->cell(0), FLAG_ITEM);
break;
case '_':
mathed_parse(lastUpDownInset(array, false, true)->cell(1), FLAG_ITEM);
mathed_parse(
lastScriptInset(array, false, true, limits)->cell(1), FLAG_ITEM);
break;
case LM_TK_LIMIT:
{
MathBigopInset * p = lastBigopInset(array);
if (p)
p->limits(yylval.l->id ? 1 : -1);
limits = yylval.l->id;
//lyxerr << "setting limit to " << limits << "\n";
break;
}
case '&':
{
if (flags & FLAG_AMPERSAND) {
flags &= ~FLAG_AMPERSAND;
--plevel;
return;
}
lyxerr[Debug::MATHED] << "found tab unexpectedly, array: '" << array << "'\n";
lyxerr[Debug::MATHED]
<< "found tab unexpectedly, array: '" << array << "'\n";
break;
}
case LM_TK_NEWLINE:
{
if (flags & FLAG_NEWLINE) {
flags &= ~FLAG_NEWLINE;
--plevel;
return;
}
lyxerr[Debug::MATHED] << "found newline unexpectedly, array: '" << array << "'\n";
lyxerr[Debug::MATHED]
<< "found newline unexpectedly, array: '" << array << "'\n";
break;
}
case LM_TK_BIGSYM:
{
//lyxerr << "clearing limits " << limits << "\n";
limits = 0;
//lyxerr << "found bigop '" << yylval.l->name << "'\n";
array.push_back(new MathBigopInset(yylval.l->name, yylval.l->id));
break;
}
case LM_TK_SYM:
if (yylval.l->id < 256) {

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@ -30,7 +30,7 @@ MathInset * MathRootInset::clone() const
}
void MathRootInset::Metrics(MathStyles st, int, int)
void MathRootInset::Metrics(MathStyles st)
{
MathInset::Metrics(st);
size_ = st;

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@ -39,7 +39,7 @@ public:
///
void WriteNormal(std::ostream &) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
bool idxUp(int & idx, int & pos) const;
///

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@ -6,19 +6,198 @@
#include "support/LOstream.h"
MathScriptInset::MathScriptInset(bool up, bool down)
: MathUpDownInset(up, down)
MathScriptInset::MathScriptInset()
: MathInset(2), up_(false), down_(false), limits_(0), symbol_(0)
{}
MathScriptInset::MathScriptInset(bool up, bool down, MathInset * symbol)
: MathInset(2), up_(up), down_(down), limits_(0), symbol_(symbol)
{}
MathScriptInset::MathScriptInset(MathScriptInset const & p)
: MathInset(p), up_(p.up_), down_(p.down_),
limits_(p.limits_), symbol_(p.symbol_ ? p.symbol_->clone() : 0)
{}
MathScriptInset::~MathScriptInset()
{
delete symbol_;
}
MathInset * MathScriptInset::clone() const
{
return new MathScriptInset(*this);
}
bool MathScriptInset::up() const
{
return up_;
}
bool MathScriptInset::down() const
{
return down_;
}
void MathScriptInset::up(bool b)
{
up_ = b;
}
void MathScriptInset::down(bool b)
{
down_ = b;
}
bool MathScriptInset::idxRight(int &, int &) const
{
return false;
}
bool MathScriptInset::idxLeft(int &, int &) const
{
return false;
}
bool MathScriptInset::idxUp(int & idx, int & pos) const
{
if (idx == 0 || !up())
return false;
idx = 0;
pos = 0;
return true;
}
bool MathScriptInset::idxDown(int & idx, int & pos) const
{
if (idx == 1 || !down())
return false;
idx = 1;
pos = 0;
return true;
}
bool MathScriptInset::idxFirst(int & idx, int & pos) const
{
idx = up() ? 0 : 1;
pos = 0;
return true;
}
bool MathScriptInset::idxLast(int & idx, int & pos) const
{
idx = down() ? 1 : 0;
pos = cell(idx).size();
return true;
}
bool MathScriptInset::idxFirstUp(int & idx, int & pos) const
{
if (!up())
return false;
idx = 0;
pos = 0;
return true;
}
bool MathScriptInset::idxFirstDown(int & idx, int & pos) const
{
if (!down())
return false;
idx = 1;
pos = 0;
return true;
}
bool MathScriptInset::idxLastUp(int & idx, int & pos) const
{
if (!up())
return false;
idx = 0;
pos = cell(idx).size();
return true;
}
bool MathScriptInset::idxLastDown(int & idx, int & pos) const
{
if (!down())
return false;
idx = 1;
pos = cell(idx).size();
return true;
}
void MathScriptInset::Write(std::ostream & os, bool fragile) const
{
if (symbol_) {
symbol_->Write(os, fragile);
if (limits())
os << (limits() == 1 ? "\\limits" : "\\nolimits");
}
if (up()) {
os << "^{";
cell(0).Write(os, fragile);
os << "}";
}
if (down()) {
os << "_{";
cell(1).Write(os, fragile);
os << "}";
}
os << " ";
}
void MathScriptInset::idxDelete(int & idx, bool & popit, bool & deleteit)
{
if (idx == 0)
up(false);
else
down(false);
popit = true;
deleteit = !(up() || down());
}
int MathScriptInset::limits() const
{
return limits_;
}
void MathScriptInset::limits(int limits)
{
limits_ = limits;
}
bool MathScriptInset::hasLimits() const
{
return
symbol_ && (limits_ == 1 || (limits_ == 0 && size() == LM_ST_DISPLAY));
}
void MathScriptInset::WriteNormal(std::ostream & os) const
{
if (limits() && symbol_)
os << "[" << (limits() ? "limits" : "nolimits") << "]";
if (up()) {
os << "[superscript ";
cell(0).WriteNormal(os);
@ -32,12 +211,65 @@ void MathScriptInset::WriteNormal(std::ostream & os) const
}
void MathScriptInset::idxDelete(int & idx, bool & popit, bool & deleteit)
void MathScriptInset::Metrics(MathStyles st)
{
if (idx == 0)
up(false);
else
down(false);
popit = true;
deleteit = !(up() || down());
size_ = st;
MathStyles tt = smallerStyleScript(st);
xcell(0).Metrics(tt);
xcell(1).Metrics(tt);
width_ = std::max(xcell(0).width(), xcell(1).width());
if (hasLimits()) {
symbol_->Metrics(st);
int wid = symbol_->width();
ascent_ = symbol_->ascent();
descent_ = symbol_->descent();
width_ = std::max(width_, wid);
if (up()) {
ascent_ += xcell(0).height() + 2;
dy0_ = - (ascent_ - xcell(0).ascent());
}
if (down()) {
descent_ += xcell(1).height() + 2;
dy1_ = descent_ - xcell(1).descent();
}
dxx_ = (width_ - wid) / 2;
dx0_ = (width_ - xcell(0).width()) / 2;
dx1_ = (width_ - xcell(1).width()) / 2;
} else {
int asc;
int des;
int wid = 0;
mathed_char_height(LM_TC_VAR, st, 'I', asc, des);
if (symbol_) {
symbol_->Metrics(st);
wid = symbol_->width();
asc = symbol_->ascent();
des = symbol_->descent();
}
ascent_ = up() ? xcell(0).height() + asc : 0;
descent_ = down() ? xcell(1).height() + des : 0;
width_ += wid;
dy0_ = - asc - xcell(0).descent();
dy1_ = des + xcell(1).ascent();
dx0_ = wid;
dx1_ = wid;
dxx_ = 0;
}
}
void MathScriptInset::draw(Painter & pain, int x, int y)
{
xo(x);
yo(y);
if (symbol_)
symbol_->draw(pain, x + dxx_, y);
if (up())
xcell(0).draw(pain, x + dx0_, y + dy0_);
if (down())
xcell(1).draw(pain, x + dx1_, y + dy1_);
}

View File

@ -2,7 +2,7 @@
#ifndef MATH_SCRIPTINSET_H
#define MATH_SCRIPTINSET_H
#include "math_updowninset.h"
#include "math_inset.h"
#ifdef __GNUG__
#pragma interface
@ -12,18 +12,92 @@
\author André Pönitz
*/
class MathScriptInset : public MathUpDownInset {
class MathScriptInset : public MathInset {
public:
///
MathScriptInset(bool up, bool down);
MathScriptInset();
///
MathScriptInset(bool up, bool down, MathInset * = 0);
///
MathScriptInset(MathScriptInset const &);
///
~MathScriptInset();
///
MathInset * clone() const;
///
void Write(std::ostream &, bool fragile) const;
///
void WriteNormal(std::ostream &) const;
/// Identifies ScriptInsets
bool isUpDownInset() const { return true; }
///
void Metrics(MathStyles st);
///
void draw(Painter &, int x, int baseline);
///
bool idxUp(int & idx, int & pos) const;
///
bool idxDown(int & idx, int & pos) const;
///
bool idxLeft(int & idx, int & pos) const;
///
bool idxRight(int & idx, int & pos) const;
///
bool idxFirst(int & idx, int & pos) const;
///
bool idxFirstUp(int & idx, int & pos) const;
///
bool idxFirstDown(int & idx, int & pos) const;
///
bool idxLast(int & idx, int & pos) const;
///
bool idxLastUp(int & idx, int & pos) const;
///
bool idxLastDown(int & idx, int & pos) const;
///
void idxDelete(int & idx, bool & popit, bool & deleteit);
///
bool up() const;
///
bool down() const;
///
void up(bool);
///
void down(bool);
///
void limits(int);
///
int limits() const;
///
bool isActive() const { return false; }
/// Identifies ScriptInsets
bool isScriptInset() const { return true; }
///
int xoffset() const { return dxx_; }
private:
///
bool hasLimits() const;
///
bool up_;
///
bool down_;
///
string ssym_;
/// 1: \limits, -1: \nolimits, 0: use default
int limits_;
/// x offset for drawing the superscript
int dx0_;
/// x offset for drawing the subscript
int dx1_;
/// x offset for drawing the inner symbol
int dxx_;
///
int dy0_;
///
int dy1_;
///
MathInset * symbol_;
};
#endif

View File

@ -43,7 +43,7 @@ void MathSizeInset::draw(Painter & pain, int x, int y)
}
void MathSizeInset::Metrics(MathStyles /* st */, int, int)
void MathSizeInset::Metrics(MathStyles /* st */)
{
xcell(0).Metrics(style_);
ascent_ = xcell(0).ascent_;

View File

@ -20,7 +20,7 @@ public:
///
virtual MathInset * clone() const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
void draw(Painter &, int x, int baseline);
///

View File

@ -51,7 +51,7 @@ void MathSpaceInset::WriteNormal(std::ostream & os) const
}
void MathSpaceInset::Metrics(MathStyles st, int, int)
void MathSpaceInset::Metrics(MathStyles st)
{
size_ = st;
width_ = space_ ? space_ * 2 : 2;

View File

@ -23,7 +23,7 @@ public:
///
void WriteNormal(std::ostream &) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
bool isSpaceInset() const { return true; }
///

View File

@ -19,7 +19,7 @@ MathInset * MathSqrtInset::clone() const
}
void MathSqrtInset::Metrics(MathStyles st, int, int)
void MathSqrtInset::Metrics(MathStyles st)
{
xcell(0).Metrics(st);
size_ = st;

View File

@ -24,6 +24,6 @@ public:
///
void WriteNormal(std::ostream &) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
};
#endif

View File

@ -1,179 +0,0 @@
#ifdef __GNUG__
#pragma implementation
#endif
#include "math_updowninset.h"
#include "support/LOstream.h"
MathUpDownInset::MathUpDownInset()
: MathInset(2), up_(false), down_(false)
{}
MathUpDownInset::MathUpDownInset(bool up, bool down)
: MathInset(2), up_(up), down_(down)
{}
MathInset * MathUpDownInset::clone() const
{
return new MathUpDownInset(*this);
}
bool MathUpDownInset::up() const
{
return up_;
}
bool MathUpDownInset::down() const
{
return down_;
}
void MathUpDownInset::up(bool b)
{
up_ = b;
}
void MathUpDownInset::down(bool b)
{
down_ = b;
}
bool MathUpDownInset::idxRight(int &, int &) const
{
return false;
}
bool MathUpDownInset::idxLeft(int &, int &) const
{
return false;
}
bool MathUpDownInset::idxUp(int & idx, int & pos) const
{
if (idx == 0 || !up())
return false;
idx = 0;
pos = 0;
return true;
}
bool MathUpDownInset::idxDown(int & idx, int & pos) const
{
if (idx == 1 || !down())
return false;
idx = 1;
pos = 0;
return true;
}
bool MathUpDownInset::idxFirst(int & idx, int & pos) const
{
idx = up() ? 0 : 1;
pos = 0;
return true;
}
bool MathUpDownInset::idxLast(int & idx, int & pos) const
{
idx = down() ? 1 : 0;
pos = cell(idx).size();
return true;
}
bool MathUpDownInset::idxFirstUp(int & idx, int & pos) const
{
if (!up())
return false;
idx = 0;
pos = 0;
return true;
}
bool MathUpDownInset::idxFirstDown(int & idx, int & pos) const
{
if (!down())
return false;
idx = 1;
pos = 0;
return true;
}
bool MathUpDownInset::idxLastUp(int & idx, int & pos) const
{
if (!up())
return false;
idx = 0;
pos = cell(idx).size();
return true;
}
bool MathUpDownInset::idxLastDown(int & idx, int & pos) const
{
if (!down())
return false;
idx = 1;
pos = cell(idx).size();
return true;
}
void MathUpDownInset::idxDelete(int & idx, bool & popit, bool & deleteit)
{
if (idx == 0)
up(false);
else
down(false);
popit = true;
deleteit = !(up() || down());
}
void MathUpDownInset::Write(std::ostream & os, bool fragile) const
{
if (up()) {
os << "^{";
cell(0).Write(os, fragile);
os << "}";
}
if (down()) {
os << "_{";
cell(1).Write(os, fragile);
os << "}";
}
}
void MathUpDownInset::Metrics(MathStyles st, int asc, int des)
{
size_ = st;
MathStyles tt = smallerStyleScript(st);
if (up())
xcell(0).Metrics(tt);
if (down())
xcell(1).Metrics(tt);
// we assume that asc, des, wid are the metrics of the item in front
// of this MathScriptInset
width_ = std::max(xcell(0).width(), xcell(1).width());
ascent_ = up() ? xcell(0).height() + asc : 0;
descent_ = down() ? xcell(1).height() + des : 0;
dy0_ = - asc - xcell(0).descent();
dy1_ = des + xcell(1).ascent();
}
void MathUpDownInset::draw(Painter & pain, int x, int y)
{
xo(x);
yo(y);
if (up())
xcell(0).draw(pain, x, y + dy0_);
if (down())
xcell(1).draw(pain, x, y + dy1_);
}

View File

@ -1,75 +0,0 @@
// -*- C++ -*-
#ifndef MATH_UPDOWNINSET_H
#define MATH_UPDOWNINSET_H
#include "math_inset.h"
#ifdef __GNUG__
#pragma interface
#endif
/** Abstract base class for super- and subscripts and mathop inset
\author André Pönitz
*/
class MathUpDownInset : public MathInset {
public:
///
MathUpDownInset();
///
MathUpDownInset(bool up, bool down);
///
MathInset * clone() const;
///
void Write(std::ostream &, bool fragile) const;
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
///
void draw(Painter &, int x, int baseline);
///
bool idxUp(int & idx, int & pos) const;
///
bool idxDown(int & idx, int & pos) const;
///
bool idxLeft(int & idx, int & pos) const;
///
bool idxRight(int & idx, int & pos) const;
///
bool idxFirst(int & idx, int & pos) const;
///
bool idxFirstUp(int & idx, int & pos) const;
///
bool idxFirstDown(int & idx, int & pos) const;
///
bool idxLast(int & idx, int & pos) const;
///
bool idxLastUp(int & idx, int & pos) const;
///
bool idxLastDown(int & idx, int & pos) const;
///
bool up() const;
///
bool down() const;
///
void up(bool);
///
void down(bool);
///
bool isActive() const { return false; }
/// Identifies ScriptInsets
bool isUpDownInset() const { return true; }
///
void idxDelete(int & idx, bool & popit, bool & deleteit);
private:
///
bool up_;
///
bool down_;
protected:
///
int dy0_;
///
int dy1_;
};
#endif

View File

@ -19,7 +19,7 @@ MathXArray::MathXArray()
{}
void MathXArray::Metrics(MathStyles st, int, int)
void MathXArray::Metrics(MathStyles st)
{
if (data_.empty()) {
mathed_char_dim(LM_TC_VAR, st, 'I', ascent_, descent_, width_);
@ -31,17 +31,13 @@ void MathXArray::Metrics(MathStyles st, int, int)
width_ = 0;
style_ = st;
// keep last values for scriptInset's need to look back
int asc = 0;
int des = 0;
int wid = 0;
mathed_char_height(LM_TC_VAR, st, 'I', asc, des);
for (int pos = 0; pos < data_.size(); data_.next(pos)) {
int asc;
int des;
int wid;
MathInset * p = data_.nextInset(pos);
if (p) {
// only MathUpDownInsets will use the asc/des information...
p->Metrics(st, asc, des);
p->Metrics(st);
asc = p->ascent();
des = p->descent();
wid = p->width();

View File

@ -18,7 +18,7 @@ public:
///
MathXArray();
///
void Metrics(MathStyles st, int asc = 0, int des = 0);
void Metrics(MathStyles st);
///
void draw(Painter & pain, int x, int y);