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Fix CAS computation of a selected subformula.

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Invoking a computer algebra system program for computing a selected
subformula has never worked (checked with all LyX versions back to 1.3)
and, moreover, in the presence of a selection things go awry.
This commit allows this computation by replacing the selected
subformula with the result of the computation.
This commit is contained in:
Enrico Forestieri 2014-11-09 21:56:40 +01:00
parent 07683c1f0d
commit 29cebc7fb0
1 changed files with 10 additions and 11 deletions
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21
src/mathed/InsetMathHull.cpp
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@ -66,6 +66,7 @@ using namespace lyx::support;
namespace lyx {
using cap::grabAndEraseSelection;
using cap::reduceSelectionToOneCell;
namespace {
@ -1324,14 +1325,14 @@ void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
extra = from_ascii("noextra");
string const lang = to_ascii(dlang);
// FIXME: temporarily disabled
//if (cur.selection()) {
// MathData ar;
// selGet(cur.ar);
// lyxerr << "use selection: " << ar << endl;
// insert(pipeThroughExtern(lang, extra, ar));
// return;
//}
// replace selection with result of computation
if (reduceSelectionToOneCell(cur)) {
MathData ar;
asArray(grabAndEraseSelection(cur), ar);
lyxerr << "use selection: " << ar << endl;
cur.insert(pipeThroughExtern(lang, extra, ar));
return;
}
// only inline, display or eqnarray math is allowed
if (getType() > hullEqnArray) {
@ -1352,9 +1353,7 @@ void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
if (getType() == hullSimple) {
size_type pos = cur.cell().find_last(eq);
MathData ar;
if (cur.inMathed() && cur.selection()) {
asArray(grabAndEraseSelection(cur), ar);
} else if (pos == cur.cell().size()) {
if (pos == cur.cell().size()) {
ar = cur.cell();
lyxerr << "use whole cell: " << ar << endl;
} else {