lyx_mirror/src/mathed/math_deliminset.C
Lars Gullik Bjønnes d5905fabf6 get rid of several friends small cleanup
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1519 a592a061-630c-0410-9148-cb99ea01b6c8
2001-02-15 12:22:01 +00:00

95 lines
1.9 KiB
C

#include <config.h>
#include "math_deliminset.h"
#include "math_iter.h"
#include "math_parser.h"
#include "LColor.h"
#include "Painter.h"
#include "mathed/support.h"
#include "support/LOstream.h"
using std::ostream;
MathDelimInset::MathDelimInset(int l, int r, short st)
: MathParInset(st, "", LM_OT_DELIM), left(l), right(r) {}
MathedInset * MathDelimInset::Clone()
{
MathDelimInset * p = new MathDelimInset(left, right, GetStyle());
MathedIter it(array);
p->SetData(it.Copy());
return p;
}
void MathDelimInset::Write(ostream & os, bool fragile)
{
latexkeys * l = (left != '|') ? lm_get_key_by_id(left, LM_TK_SYM): 0;
latexkeys * r = (right != '|') ? lm_get_key_by_id(right, LM_TK_SYM): 0;
os << "\\left";
if (l) {
os << '\\' << l->name << ' ';
} else {
if (left == '{' || left == '}') {
os << '\\' << char(left) << ' ';
} else {
os << char(left) << ' ';
}
}
MathParInset::Write(os, fragile);
os << "\\right";
if (r) {
os << '\\' << r->name << ' ';
} else {
if (right == '{' || right == '}') {
os << '\\' << char(right) << ' ';
} else {
os << char(right) << ' ';
}
}
}
void
MathDelimInset::draw(Painter & pain, int x, int y)
{
xo(x);
yo(y);
MathParInset::draw(pain, x + dw + 2, y - dh);
if (left == '.') {
pain.line(x + 4, yo() - ascent,
x + 4, yo() + descent,
LColor::mathcursor, Painter::line_onoffdash);
} else
mathed_draw_deco(pain, x, y - ascent, dw, Height(), left);
x += Width() - dw - 2;
if (right == '.') {
pain.line(x + 4, yo() - ascent,
x + 4, yo() + descent,
LColor::mathcursor, Painter::line_onoffdash);
} else
mathed_draw_deco(pain, x, y - ascent, dw, Height(), right);
}
void
MathDelimInset::Metrics()
{
MathParInset::Metrics();
int d;
mathed_char_height(LM_TC_CONST, size(), 'I', d, dh);
dh /= 2;
ascent += 2 + dh;
descent += 2 - dh;
dw = Height()/5;
if (dw > 15) dw = 15;
if (dw < 6) dw = 6;
width += 2 * dw + 4;
}