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1181da4a5d
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4984 a592a061-630c-0410-9148-cb99ea01b6c8
117 lines
2.2 KiB
C
117 lines
2.2 KiB
C
#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "math_spaceinset.h"
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#include "math_support.h"
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#include "LColor.h"
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#include "frontends/Painter.h"
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#include "math_mathmlstream.h"
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#include "debug.h"
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char const * latex_mathspace[] = {
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"!", "negmedspace", "negthickspace", // negative space
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",", ":", ";", "quad", "qquad", // positive space
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"lyxnegspace", "lyxposspace" // LyX special ("unvisible space")
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};
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int const nSpace = sizeof(latex_mathspace)/sizeof(char *);
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MathSpaceInset::MathSpaceInset(int sp)
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: space_(sp)
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{}
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MathSpaceInset::MathSpaceInset(string const & name)
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: space_(1)
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{
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for (int i = 0; i < nSpace; ++i)
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if (latex_mathspace[i] == name)
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space_ = i;
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}
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MathInset * MathSpaceInset::clone() const
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{
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return new MathSpaceInset(*this);
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}
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void MathSpaceInset::metrics(MathMetricsInfo &) const
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{
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switch (space_) {
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case 0: dim_.w = 6; break;
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case 1: dim_.w = 8; break;
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case 2: dim_.w = 10; break;
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case 3: dim_.w = 6; break;
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case 4: dim_.w = 8; break;
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case 5: dim_.w = 10; break;
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case 6: dim_.w = 20; break;
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case 7: dim_.w = 40; break;
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case 8: dim_.w = -2; break;
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case 9: dim_.w = 2; break;
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default: dim_.w = 6;
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}
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dim_.a = 4;
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dim_.d = 0;
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}
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void MathSpaceInset::draw(MathPainterInfo & pi, int x, int y) const
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{
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// Sadly, HP-UX CC can't handle that kind of initialization.
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// XPoint p[4] = {{++x, y-3}, {x, y}, {x+width-2, y}, {x+width-2, y-3}};
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if (space_ >= nSpace - 2)
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return;
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int xp[4];
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int yp[4];
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xp[0] = ++x; yp[0] = y - 3;
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xp[1] = x; yp[1] = y;
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xp[2] = x + width() - 2; yp[2] = y;
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xp[3] = x + width() - 2; yp[3] = y - 3;
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pi.pain.lines(xp, yp, 4, (space_ < 3) ? LColor::latex : LColor::math);
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}
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void MathSpaceInset::incSpace()
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{
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space_ = (space_ + 1) % (nSpace - 2);
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}
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void MathSpaceInset::maplize(MapleStream & os) const
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{
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os << ' ';
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}
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void MathSpaceInset::mathematicize(MathematicaStream & os) const
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{
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os << ' ';
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}
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void MathSpaceInset::octavize(OctaveStream & os) const
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{
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os << ' ';
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}
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void MathSpaceInset::normalize(NormalStream & os) const
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{
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os << "[space " << int(space_) << ' ' << latex_mathspace[space_] << "] ";
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}
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void MathSpaceInset::write(WriteStream & os) const
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{
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if (space_ >= 0 && space_ < nSpace)
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os << '\\' << latex_mathspace[space_] << ' ';
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}
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