-#include <config.h>
+/**
+ * \file math_xyarrowinset.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.
+ */
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include <config.h>
#include "math_xyarrowinset.h"
+#include "math_xymatrixinset.h"
#include "math_mathmlstream.h"
#include "math_streamstr.h"
+#include "math_support.h"
+#include "frontends/Painter.h"
+#include "debug.h"
+
+
+using std::max;
MathXYArrowInset::MathXYArrowInset()
- : MathNestInset(1)
+ : MathNestInset(2)
{}
-MathInset * MathXYArrowInset::clone() const
+auto_ptr<InsetBase> MathXYArrowInset::clone() const
+{
+ return auto_ptr<InsetBase>(new MathXYArrowInset(*this));
+}
+
+
+MathXYMatrixInset const * MathXYArrowInset::targetMatrix() const
{
- return new MathXYArrowInset(*this);
+ return target_;
}
-void MathXYArrowInset::metrics(MathMetricsInfo const & mi) const
+MathArray const & MathXYArrowInset::targetCell() const
+{
+#if 0
+ MathXYMatrixInset const * p = targetMatrix();
+ int x = 0;
+ int y = 0;
+ MathArray const & t = cell(0);
+ for (MathArray::const_iterator it = t.begin(); it != t.end(); ++it) {
+ switch ((*it)->getChar()) {
+ case 'l': --x; break;
+ case 'r': ++x; break;
+ case 'u': --y; break;
+ case 'd': ++y; break;
+ }
+ }
+ //lyxerr << "target: x: " << x << " y: " << y << endl;
+ MathInset::idx_type n = mi_.idx + p->ncols() * y + x;
+ if (n >= p->nargs()) {
+ lyxerr << "source: n: " << mi_.idx << "\n"
+ << "target: n: " << n << " out of range" << endl;
+ n = 0;
+ }
+ return p->cell(n);
+#else
+ static MathArray dummy;
+ return dummy;
+#endif
+}
+
+
+MathArray const & MathXYArrowInset::sourceCell() const
+{
+#if 0
+ return targetMatrix()->cell(mi_.idx);
+#else
+ static MathArray dummy;
+ return dummy;
+#endif
+}
+
+
+void MathXYArrowInset::metrics(MetricsInfo & mi) const
{
MathNestInset::metrics(mi);
+ mi_ = mi;
+ FontSetChanger dummy(mi.base, "textrm");
+#if 0
+ target_ = mi.inset ? mi.inset->asXYMatrixInset() : 0;
+
+ if (editing()) {
+ int w = mathed_string_width(mi.base.font, "target: ");
+ width_ = w + max(cell(0).width(), cell(1).width());
+ ascent_ = cell(0).ascent();
+ descent_ = cell(0).descent() + cell(1).height() + 10;
+ } else {
+ width_ = 0;
+ ascent_ = 0;
+ descent_ = 0;
+ //mathed_string_dim(font_, "X", ascent_, descent_, width_);
+ }
+#endif
+}
+
+
+void MathXYArrowInset::draw(PainterInfo & pi, int x, int y) const
+{
+ metrics(mi_);
+ FontSetChanger dummy(pi.base, "textrm");
+
+ if (editing()) {
+
+#if 0
+
+ int lasc;
+ int ldes;
+ int lwid;
+ mathed_string_dim(pi.base.font, "target: ", lasc, ldes, lwid);
+
+ cell(0).draw(pi, x + lwid, y);
+ drawStr(pi, pi.base.font, x + 3, y, "target");
+ y += max(cell(0).descent(), ldes) + 5;
+
+ y += max(cell(1).ascent(), lasc) + 5;
+ cell(1).draw(pi, x + lwid, y);
+ drawStr(pi, pi.base.font, x + 3, y, "label");
+
+#endif
+
+ } else {
+
+ drawStr(pi, font_, x, y, "X");
+ MathArray const & s = sourceCell();
+ MathArray const & t = targetCell();
+ pi.pain.line(s.xm(), s.ym(), t.xm(), t.ym(), LColor::math);
+ cell(1).draw(pi, (s.xm() + t.xm())/2, (s.ym() + t.ym())/2);
+
+ }
}
void MathXYArrowInset::write(WriteStream & os) const
{
- os << "\\ar{";
- MathNestInset::write(os);
- os << "}\n";
+ os << "\\ar";
+ if (cell(0).size())
+ os << '[' << cell(0) << ']';
+ if (cell(1).size())
+ os << (up_ ? '^' : '_') << '{' << cell(1) << '}';
+ os << " ";
}
{
os << "[xyarrow ";
MathNestInset::normalize(os);
- os << "]";
+ os << ']';
}