lyx_mirror/src/mathed/math_macroarg.C
André Pönitz 6b388ac30d small patches from Angus
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3316 a592a061-630c-0410-9148-cb99ea01b6c8
2002-01-08 15:13:31 +00:00

73 lines
1.3 KiB
C

#ifdef __GNUG__
#pragma implementation
#endif
#include "math_macroarg.h"
#include "math_macro.h"
#include "math_defs.h"
#include "math_mathmlstream.h"
#include "math_support.h"
#include "debug.h"
MathMacroArgument::MathMacroArgument(int n)
: MathNestInset(1), number_(n), expanded_(false)
{
if (n < 1 || n > 9) {
lyxerr << "MathMacroArgument::MathMacroArgument: wrong Argument id: "
<< n << std::endl;
}
str_[0] = '#';
str_[1] = static_cast<unsigned char>('0' + n);
str_[2] = '\0';
}
MathInset * MathMacroArgument::clone() const
{
return new MathMacroArgument(*this);
}
void MathMacroArgument::write(WriteStream & os) const
{
os << str_;
}
void MathMacroArgument::metrics(MathMetricsInfo const & mi) const
{
mi_ = mi;
if (expanded_) {
xcell(0).metrics(mi_);
width_ = xcell(0).width();
ascent_ = xcell(0).ascent();
descent_ = xcell(0).descent();
} else
mathed_string_dim(LM_TC_TEX, mi_, str_, ascent_, descent_, width_);
}
void MathMacroArgument::draw(Painter & pain, int x, int y) const
{
if (expanded_)
xcell(0).draw(pain, x, y);
else
drawStr(pain, LM_TC_TEX, mi_, x, y, str_);
}
void MathMacroArgument::normalize(NormalStream & os) const
{
os << "[macroarg " << str_ << "] ";
}
void MathMacroArgument::substitute(MathMacro const & m)
{
cell(0) = m.cell(number_ - 1);
expanded_ = true;
}