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https://git.lyx.org/repos/lyx.git
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99d1627a47
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6138 a592a061-630c-0410-9148-cb99ea01b6c8
150 lines
2.9 KiB
C
150 lines
2.9 KiB
C
#include <config.h>
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#include "math_xyarrowinset.h"
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#include "math_xymatrixinset.h"
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#include "math_mathmlstream.h"
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#include "math_streamstr.h"
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#include "math_support.h"
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#include "frontends/Painter.h"
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#include "debug.h"
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using std::max;
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MathXYArrowInset::MathXYArrowInset()
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: MathNestInset(2)
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{}
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MathInset * MathXYArrowInset::clone() const
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{
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return new MathXYArrowInset(*this);
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}
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MathXYMatrixInset const * MathXYArrowInset::targetMatrix() const
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{
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return target_;
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}
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MathArray const & MathXYArrowInset::targetCell() const
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{
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#if 0
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MathXYMatrixInset const * p = targetMatrix();
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int x = 0;
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int y = 0;
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MathArray const & t = cell(0);
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for (MathArray::const_iterator it = t.begin(); it != t.end(); ++it) {
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switch ((*it)->getChar()) {
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case 'l': --x; break;
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case 'r': ++x; break;
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case 'u': --y; break;
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case 'd': ++y; break;
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}
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}
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//lyxerr << "target: x: " << x << " y: " << y << "\n";
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MathInset::idx_type n = mi_.idx + p->ncols() * y + x;
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if (n >= p->nargs()) {
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lyxerr << "source: n: " << mi_.idx << "\n";
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lyxerr << "target: n: " << n << " out of range\n";
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n = 0;
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}
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return p->cell(n);
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#else
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static MathArray dummy;
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return dummy;
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#endif
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}
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MathArray const & MathXYArrowInset::sourceCell() const
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{
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#if 0
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return targetMatrix()->cell(mi_.idx);
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#else
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static MathArray dummy;
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return dummy;
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#endif
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}
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void MathXYArrowInset::metrics(MathMetricsInfo & mi) const
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{
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MathNestInset::metrics(mi);
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mi_ = mi;
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MathFontSetChanger dummy(mi.base, "textrm");
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#if 0
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target_ = mi.inset ? mi.inset->asXYMatrixInset() : 0;
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if (editing()) {
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int w = mathed_string_width(mi.base.font, "target: ");
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width_ = w + max(cell(0).width(), cell(1).width());
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ascent_ = cell(0).ascent();
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descent_ = cell(0).descent() + cell(1).height() + 10;
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} else {
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width_ = 0;
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ascent_ = 0;
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descent_ = 0;
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//mathed_string_dim(font_, "X", ascent_, descent_, width_);
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}
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#endif
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}
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void MathXYArrowInset::draw(MathPainterInfo & pi, int x, int y) const
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{
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metrics(mi_);
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MathFontSetChanger dummy(pi.base, "textrm");
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if (editing()) {
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#if 0
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int lasc;
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int ldes;
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int lwid;
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mathed_string_dim(pi.base.font, "target: ", lasc, ldes, lwid);
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cell(0).draw(pi, x + lwid, y);
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drawStr(pi, pi.base.font, x + 3, y, "target");
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y += max(cell(0).descent(), ldes) + 5;
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y += max(cell(1).ascent(), lasc) + 5;
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cell(1).draw(pi, x + lwid, y);
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drawStr(pi, pi.base.font, x + 3, y, "label");
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#endif
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} else {
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drawStr(pi, font_, x, y, "X");
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MathArray const & s = sourceCell();
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MathArray const & t = targetCell();
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pi.pain.line(s.xm(), s.ym(), t.xm(), t.ym(), LColor::math);
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cell(1).draw(pi, (s.xm() + t.xm())/2, (s.ym() + t.ym())/2);
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}
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}
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void MathXYArrowInset::write(WriteStream & os) const
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{
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os << "\\ar";
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if (cell(0).size())
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os << '[' << cell(0) << ']';
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if (cell(1).size())
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os << (up_ ? '^' : '_') << '{' << cell(1) << '}';
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os << " ";
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}
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void MathXYArrowInset::normalize(NormalStream & os) const
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{
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os << "[xyarrow ";
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MathNestInset::normalize(os);
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os << ']';
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}
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