mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-11 05:33:33 +00:00
2b8ef58dc0
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3804 a592a061-630c-0410-9148-cb99ea01b6c8
119 lines
2.4 KiB
C
119 lines
2.4 KiB
C
#include <config.h>
|
|
|
|
#ifdef __GNUG__
|
|
#pragma implementation
|
|
#endif
|
|
|
|
#include "math_decorationinset.h"
|
|
#include "math_support.h"
|
|
#include "math_parser.h"
|
|
#include "math_mathmlstream.h"
|
|
#include "math_streamstr.h"
|
|
|
|
|
|
MathDecorationInset::MathDecorationInset(string const & name)
|
|
: MathNestInset(1), name_(name)
|
|
{}
|
|
|
|
|
|
MathInset * MathDecorationInset::clone() const
|
|
{
|
|
return new MathDecorationInset(*this);
|
|
}
|
|
|
|
|
|
bool MathDecorationInset::upper() const
|
|
{
|
|
return name_.substr(0, 5) != "under";
|
|
}
|
|
|
|
|
|
bool MathDecorationInset::isScriptable() const
|
|
{
|
|
return
|
|
name_ == "overbrace" ||
|
|
name_ == "underbrace" ||
|
|
name_ == "overleftarrow" ||
|
|
name_ == "overrightarrow" ||
|
|
name_ == "overleftrightarrow" ||
|
|
name_ == "underleftarrow" ||
|
|
name_ == "underrightarrow" ||
|
|
name_ == "underleftrightarrow";
|
|
}
|
|
|
|
|
|
bool MathDecorationInset::protect() const
|
|
{
|
|
return
|
|
name_ == "overbrace" ||
|
|
name_ == "underbrace" ||
|
|
name_ == "overleftarrow" ||
|
|
name_ == "overrightarrow" ||
|
|
name_ == "overleftrightarrow" ||
|
|
name_ == "underleftarrow" ||
|
|
name_ == "underrightarrow" ||
|
|
name_ == "underleftrightarrow";
|
|
}
|
|
|
|
|
|
bool MathDecorationInset::wide() const
|
|
{
|
|
return
|
|
name_ == "overline" ||
|
|
name_ == "underline" ||
|
|
name_ == "overbrace" ||
|
|
name_ == "underbrace" ||
|
|
name_ == "overleftarrow" ||
|
|
name_ == "overrightarrow" ||
|
|
name_ == "overleftrightarrow" ||
|
|
name_ == "widehat" ||
|
|
name_ == "widetilde" ||
|
|
name_ == "underleftarrow" ||
|
|
name_ == "underrightarrow" ||
|
|
name_ == "underleftrightarrow";
|
|
}
|
|
|
|
|
|
void MathDecorationInset::metrics(MathMetricsInfo const & mi) const
|
|
{
|
|
xcell(0).metrics(mi);
|
|
width_ = xcell(0).width();
|
|
ascent_ = xcell(0).ascent();
|
|
descent_ = xcell(0).descent();
|
|
|
|
dh_ = 6; //mathed_char_height(LM_TC_VAR, mi(), 'I', ascent_, descent_);
|
|
dw_ = 6; //mathed_char_width(LM_TC_VAR, mi, 'x');
|
|
|
|
if (upper()) {
|
|
dy_ = -ascent_ - dh_;
|
|
ascent_ += dh_ + 1;
|
|
} else {
|
|
dy_ = descent_ + 1;
|
|
descent_ += dh_ + 2;
|
|
}
|
|
}
|
|
|
|
|
|
void MathDecorationInset::draw(Painter & pain, int x, int y) const
|
|
{
|
|
xcell(0).draw(pain, x, y);
|
|
if (wide())
|
|
mathed_draw_deco(pain, x, y + dy_, width_, dh_, name_);
|
|
else
|
|
mathed_draw_deco(pain, x + (width_ - dw_) / 2, y + dy_, dw_, dh_, name_);
|
|
}
|
|
|
|
|
|
void MathDecorationInset::write(WriteStream & os) const
|
|
{
|
|
if (os.fragile() && protect())
|
|
os << "\\protect";
|
|
os << '\\' << name_ << '{' << cell(0) << '}';
|
|
}
|
|
|
|
|
|
void MathDecorationInset::normalize(NormalStream & os) const
|
|
{
|
|
os << "[deco " << name_ << ' ' << cell(0) << ']';
|
|
}
|