* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author André Pönitz
+ * \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include "Cursor.h"
#include "DispatchResult.h"
#include "FuncRequest.h"
+#include "FuncStatus.h"
#include "InsetMathFont.h"
#include "InsetMathScript.h"
#include "InsetMathSymbol.h"
+#include "LaTeXFeatures.h"
#include "MathData.h"
#include "MathStream.h"
#include "MathSupport.h"
namespace lyx {
-InsetMathScript::InsetMathScript()
- : InsetMathNest(1), cell_1_is_up_(false), limits_(0)
+InsetMathScript::InsetMathScript(Buffer * buf)
+ : InsetMathNest(buf, 1), cell_1_is_up_(false), limits_(0)
{}
-InsetMathScript::InsetMathScript(bool up)
- : InsetMathNest(2), cell_1_is_up_(up), limits_(0)
+InsetMathScript::InsetMathScript(Buffer * buf, bool up)
+ : InsetMathNest(buf, 2), cell_1_is_up_(up), limits_(0)
{}
-InsetMathScript::InsetMathScript(MathAtom const & at, bool up)
- : InsetMathNest(2), cell_1_is_up_(up), limits_(0)
+InsetMathScript::InsetMathScript(Buffer * buf, MathAtom const & at, bool up)
+ : InsetMathNest(buf, 2), cell_1_is_up_(up), limits_(0)
{
LASSERT(nargs() >= 1, /**/);
cell(0).push_back(at);
void InsetMathScript::write(WriteStream & os) const
{
- bool brace = os.pendingBrace();
- os.pendingBrace(false);
- if (os.latex() && os.textMode()) {
- os << "\\ensuremath{";
- os.textMode(false);
- brace = true;
- }
+ MathEnsurer ensurer(os);
if (nuc().size()) {
os << nuc();
if (lock_ && !os.latex())
os << "\\lyxlock ";
-
- os.pendingBrace(brace);
}
}
+// FIXME XHTML
+// It may be worth trying to output munder, mover, and munderover
+// in certain cases, e.g., for display formulas. But then we would
+// need to know if we're in a display formula.
void InsetMathScript::mathmlize(MathStream & os) const
{
bool d = hasDown() && down().size();
os << MTag("msub");
if (nuc().size())
- os << nuc();
+ os << MTag("mrow") << nuc() << ETag("mrow");
else
- os << "<mrow/>";
+ os << "<mrow />";
+
+ if (u && d)
+ os << MTag("mrow") << down() << ETag("mrow")
+ << MTag("mrow") << up() << ETag("mrow")
+ << ETag("msubsup");
+ else if (u)
+ os << MTag("mrow") << up() << ETag("mrow") << ETag("msup");
+ else if (d)
+ os << MTag("mrow") << down() << ETag("mrow") << ETag("msub");
+}
+
+
+void InsetMathScript::htmlize(HtmlStream & os) const
+{
+ bool d = hasDown() && down().size();
+ bool u = hasUp() && up().size();
+
+ if (nuc().size())
+ os << nuc();
if (u && d)
- os << down() << up() << ETag("msubsup");
+ os << MTag("span", "class='scripts'")
+ << MTag("span") << up() << ETag("span")
+ << MTag("span") << down() << ETag("span")
+ << ETag("span");
else if (u)
- os << up() << ETag("msup");
+ os << MTag("sup", "class='math'") << up() << ETag("sup");
else if (d)
- os << down() << ETag("msub");
+ os << MTag("sub", "class='math'") << down() << ETag("sub");
}
if (nargs() > 2 && (!cell(1).empty() || !cell(2).empty())) {
if (cell(2).empty()) {
// must be a subscript...
+ old.recordUndoInset();
removeScript(false);
- cur.updateFlags(cur.disp_.update() | Update::SinglePar);
+ cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
return true;
} else if (cell(1).empty()) {
// must be a superscript...
+ old.recordUndoInset();
removeScript(true);
- cur.updateFlags(cur.disp_.update() | Update::SinglePar);
+ cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
return true;
}
}
insetCur.cell().insert(insetCur.pos(), ar);
// redraw
- cur.updateFlags(cur.disp_.update() | Update::SinglePar);
+ cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
return true;
}
{
//LYXERR("InsetMathScript: request: " << cmd);
- if (cmd.action == LFUN_MATH_LIMITS) {
+ if (cmd.action() == LFUN_MATH_LIMITS) {
+ cur.recordUndoInset();
if (!cmd.argument().empty()) {
if (cmd.argument() == "limits")
limits_ = 1;
}
+bool InsetMathScript::getStatus(Cursor & cur, FuncRequest const & cmd,
+ FuncStatus & flag) const
+{
+ if (cmd.action() == LFUN_MATH_LIMITS) {
+ if (!cmd.argument().empty()) {
+ if (cmd.argument() == "limits")
+ flag.setOnOff(limits_ == 1);
+ else if (cmd.argument() == "nolimits")
+ flag.setOnOff(limits_ == -1);
+ else
+ flag.setOnOff(limits_ == 0);
+ }
+ flag.setEnabled(true);
+ return true;
+ }
+
+ return InsetMathNest::getStatus(cur, cmd, flag);
+}
+
+
+// the idea for dual scripts came from the eLyXer code
+void InsetMathScript::validate(LaTeXFeatures & features) const
+{
+ if (features.runparams().math_flavor == OutputParams::MathAsHTML)
+ features.addCSSSnippet(
+ "span.scripts{display: inline-block; vertical-align: middle; text-align:center; font-size: 75%;}\n"
+ "span.scripts span {display: block;}\n"
+ "sub.math{font-size: 75%;}\n"
+ "sup.math{font-size: 75%;}");
+ InsetMathNest::validate(features);
+}
+
} // namespace lyx