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Fix bug #5540: Crash in MathAtom on Undo.

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No undo steps are recorded for math-macros. Now, it is also not done when we resume to edit a macro.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@29685 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Vincent van Ravesteijn 2009-05-15 21:51:43 +00:00
parent 22e8bd3c3e
commit a1a9c4c4ba
1 changed files with 8 additions and 2 deletions
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10
src/mathed/InsetMathNest.cpp
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@ -816,8 +816,14 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
// InsetMathFrac -> a pos value > 0 is invalid.
// A side effect is that an undo before the macro is finished
// undoes the complete macro, not only the last character.
if (!cur.inMacroMode())
cur.recordUndoSelection();
if (!cur.inMacroMode()) {
MathMacro const * macro = 0;
if (cur.pos() > 0 && cmd.argument() != "\\")
macro = cur.inset().asInsetMath()->asMacro();
if (!macro)
cur.recordUndoSelection();
}
// spacial handling of space. If we insert an inset
// via macro mode, we want to put the cursor inside it