-#ifdef __GNUG__
-#pragma implementation
-#endif
+/**
+ * \file math_spaceinset.C
+ * 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 "math_spaceinset.h"
+#include "math_data.h"
+#include "math_mathmlstream.h"
+
+#include "LaTeXFeatures.h"
#include "LColor.h"
-#include "Painter.h"
-#include "support/LOstream.h"
+
+#include "frontends/Painter.h"
+
+using std::string;
+using std::auto_ptr;
+
+
+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 *);
MathSpaceInset::MathSpaceInset(int sp)
{}
-MathInset * MathSpaceInset::clone() const
+MathSpaceInset::MathSpaceInset(string const & name)
+ : space_(1)
+{
+ for (int i = 0; i < nSpace; ++i)
+ if (latex_mathspace[i] == name)
+ space_ = i;
+}
+
+
+auto_ptr<InsetBase> MathSpaceInset::doClone() const
+{
+ return auto_ptr<InsetBase>(new MathSpaceInset(*this));
+}
+
+
+int MathSpaceInset::width() const
+{
+ 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;
+ }
+}
+
+
+int MathSpaceInset::ascent() const
+{
+ return 4;
+}
+
+
+int MathSpaceInset::descent() const
+{
+ return 0;
+}
+
+
+void MathSpaceInset::metrics(MetricsInfo &, Dimension & dim) const
{
- return new MathSpaceInset(*this);
+ dim.wid = width();
+ dim.asc = ascent();
+ dim.des = descent();
}
-void MathSpaceInset::draw(Painter & pain, int x, int y) const
-{
-
-// XPoint p[4] = {{++x, y-3}, {x, y}, {x+width-2, y}, {x+width-2, y-3}};
-
-// Sadly, HP-UX CC can't handle that kind of initialization.
-
+void MathSpaceInset::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];
-
- xp[0] = ++x; yp[0] = y - 3;
- xp[1] = x; yp[1] = y;
- xp[2] = x + width_ - 2; yp[2] = y;
- xp[3] = x + width_ - 2; yp[3] = y - 3;
-
- pain.lines(xp, yp, 4, space_ ? LColor::latex : LColor::math);
+ 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) ? LColor::latex : LColor::math);
+}
+
+
+void MathSpaceInset::incSpace()
+{
+ space_ = (space_ + 1) % (nSpace - 2);
}
-void MathSpaceInset::write(std::ostream & os, bool /* fragile */) const
+void MathSpaceInset::validate(LaTeXFeatures & features) const
{
- if (space_ >= 0 && space_ < 6)
- os << '\\' << latex_mathspace[space_] << ' ';
+ if (space_ >= 0 && space_< nSpace) {
+ if ((latex_mathspace[space_] == "negmedspace")
+ || (latex_mathspace[space_] == "negthickspace"))
+ features.require("amsmath");
+ }
}
-void MathSpaceInset::writeNormal(std::ostream & os) const
+void MathSpaceInset::maple(MapleStream & os) const
+{
+ os << ' ';
+}
+
+void MathSpaceInset::mathematica(MathematicaStream & os) const
{
- os << "[space " << space_ << "] ";
+ os << ' ';
}
-void MathSpaceInset::metrics(MathStyles st) const
+void MathSpaceInset::octave(OctaveStream & os) const
{
- size_ = st;
- width_ = space_ ? space_ * 2 : 2;
- if (space_ > 3)
- width_ *= 2;
- if (space_ == 5)
- width_ *= 2;
- width_ += 4;
- ascent_ = 4;
- descent_ = 0;
+ os << ' ';
}
-void MathSpaceInset::incSpace()
+void MathSpaceInset::normalize(NormalStream & os) const
+{
+ os << "[space " << int(space_) << "] ";
+}
+
+
+void MathSpaceInset::write(WriteStream & os) const
{
- space_ = (space_ + 1) % 6;
+ if (space_ >= 0 && space_ < nSpace) {
+ os << '\\' << latex_mathspace[space_];
+ os.pendingSpace(true);
+ }
}