mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-11 13:46:43 +00:00
ed858d73e5
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@19920 a592a061-630c-0410-9148-cb99ea01b6c8
164 lines
3.0 KiB
C++
164 lines
3.0 KiB
C++
/**
|
|
* \file InsetMathSpace.cpp
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author André Pönitz
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "InsetMathSpace.h"
|
|
#include "MathData.h"
|
|
#include "MathStream.h"
|
|
|
|
#include "LaTeXFeatures.h"
|
|
#include "Color.h"
|
|
|
|
#include "frontends/Painter.h"
|
|
|
|
using std::string;
|
|
|
|
namespace lyx {
|
|
|
|
char const * latex_mathspace[] = {
|
|
"!", "negmedspace", "negthickspace", // negative space
|
|
",", ":", ";", "quad", "qquad", // positive space
|
|
"lyxnegspace", "lyxposspace" // LyX special ("unvisible space")
|
|
};
|
|
|
|
int const nSpace = sizeof(latex_mathspace)/sizeof(char *);
|
|
|
|
namespace {
|
|
|
|
int spaceToWidth(int space)
|
|
{
|
|
switch (space) {
|
|
case 0: return 6;
|
|
case 1: return 8;
|
|
case 2: return 10;
|
|
case 3: return 6;
|
|
case 4: return 8;
|
|
case 5: return 10;
|
|
case 6: return 20;
|
|
case 7: return 40;
|
|
case 8: return -2;
|
|
case 9: return 2;
|
|
default: return 6;
|
|
}
|
|
}
|
|
|
|
} // anon namespace
|
|
|
|
InsetMathSpace::InsetMathSpace(int sp)
|
|
: space_(sp)
|
|
{
|
|
dim_.asc = 4;
|
|
dim_.des = 0;
|
|
dim_.wid = spaceToWidth(space_);
|
|
}
|
|
|
|
|
|
InsetMathSpace::InsetMathSpace(docstring const & name)
|
|
: space_(1)
|
|
{
|
|
dim_.asc = 4;
|
|
dim_.des = 0;
|
|
for (int i = 0; i < nSpace; ++i)
|
|
if (latex_mathspace[i] == name)
|
|
space_ = i;
|
|
dim_.wid = spaceToWidth(space_);
|
|
}
|
|
|
|
|
|
Inset * InsetMathSpace::clone() const
|
|
{
|
|
return new InsetMathSpace(*this);
|
|
}
|
|
|
|
|
|
bool InsetMathSpace::metrics(MetricsInfo &, Dimension & dim) const
|
|
{
|
|
dim.wid = width();
|
|
dim.asc = ascent();
|
|
dim.des = descent();
|
|
if (dim_ == dim)
|
|
return false;
|
|
dim_ = dim;
|
|
return true;
|
|
}
|
|
|
|
|
|
void InsetMathSpace::draw(PainterInfo & pi, int x, int y) const
|
|
{
|
|
// Sadly, HP-UX CC can't handle that kind of initialization.
|
|
// XPoint p[4] = {{++x, y-3}, {x, y}, {x+width-2, y}, {x+width-2, y-3}};
|
|
if (space_ >= nSpace - 2)
|
|
return;
|
|
|
|
int xp[4];
|
|
int yp[4];
|
|
int w = width();
|
|
|
|
xp[0] = ++x; yp[0] = y - 3;
|
|
xp[1] = x; yp[1] = y;
|
|
xp[2] = x + w - 2; yp[2] = y;
|
|
xp[3] = x + w - 2; yp[3] = y - 3;
|
|
|
|
pi.pain.lines(xp, yp, 4, (space_ < 3) ? Color::latex : Color::math);
|
|
}
|
|
|
|
|
|
void InsetMathSpace::incSpace()
|
|
{
|
|
space_ = (space_ + 1) % (nSpace - 2);
|
|
dim_.wid = spaceToWidth(space_);
|
|
}
|
|
|
|
|
|
void InsetMathSpace::validate(LaTeXFeatures & features) const
|
|
{
|
|
if (space_ >= 0 && space_< nSpace) {
|
|
if ((latex_mathspace[space_] == string("negmedspace"))
|
|
|| (latex_mathspace[space_] == string("negthickspace")))
|
|
features.require("amsmath");
|
|
}
|
|
}
|
|
|
|
|
|
void InsetMathSpace::maple(MapleStream & os) const
|
|
{
|
|
os << ' ';
|
|
}
|
|
|
|
void InsetMathSpace::mathematica(MathematicaStream & os) const
|
|
{
|
|
os << ' ';
|
|
}
|
|
|
|
|
|
void InsetMathSpace::octave(OctaveStream & os) const
|
|
{
|
|
os << ' ';
|
|
}
|
|
|
|
|
|
void InsetMathSpace::normalize(NormalStream & os) const
|
|
{
|
|
os << "[space " << int(space_) << "] ";
|
|
}
|
|
|
|
|
|
void InsetMathSpace::write(WriteStream & os) const
|
|
{
|
|
if (space_ >= 0 && space_ < nSpace) {
|
|
os << '\\' << latex_mathspace[space_];
|
|
os.pendingSpace(true);
|
|
}
|
|
}
|
|
|
|
|
|
} // namespace lyx
|