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Fix bug #6208: macro crash.

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The fix consists in not updating the macro while it is being edited,
and this is accomplished by the changes in MathData::updateMacros().
However, when clicking away with the mouse I was getting another crash,
which is cured by the changes in MathMacro::notifyCursorLeaves().


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32037 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Enrico Forestieri 2009-11-15 23:54:45 +00:00
parent 3581c31d1b
commit 7365a29fea
2 changed files with 18 additions and 10 deletions
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9
src/mathed/MathData.cpp
View File

@ -379,11 +379,18 @@ void MathData::drawT(TextPainter & pain, int x, int y) const
void MathData::updateMacros(Cursor * cur, MacroContext const & mc)
{
// If we are editing a macro, we cannot update it immediately,
// as no undo steps will be recorded (bug 6208).
InsetMath const * inmath = cur ? cur->inset().asInsetMath() : 0;
MathMacro const * inmacro = inmath ? inmath->asMacro() : 0;
docstring const edited_name = inmacro ? inmacro->name() : docstring();
// go over the array and look for macros
for (size_t i = 0; i < size(); ++i) {
MathMacro * macroInset = operator[](i).nucleus()->asMacro();
if (!macroInset || macroInset->name_[0] == '^'
|| macroInset->name_[0] == '_')
|| macroInset->name_[0] == '_'
|| macroInset->name() == edited_name)
continue;
// get macro

19
src/mathed/MathMacro.cpp
View File

@ -633,15 +633,16 @@ bool MathMacro::notifyCursorLeaves(Cursor const & old, Cursor & cur)
docstring const & unfolded_name = name();
if (unfolded_name != name_) {
// The macro name was changed
cur = old;
bool left = cur.pos() == 0;
cur.recordUndoInset();
cur.popForward();
cur.backspace();
cur.insert(createInsetMath(unfolded_name, cur.buffer()));
if (left)
cur.backwardPos();
cur.updateFlags(Update::Force);
Cursor insetCur = old;
int macroSlice = insetCur.find(this);
LASSERT(macroSlice != -1, /**/);
insetCur.cutOff(macroSlice);
insetCur.recordUndoInset();
insetCur.pop();
insetCur.cell().erase(insetCur.pos());
insetCur.cell().insert(insetCur.pos(),
createInsetMath(unfolded_name, cur.buffer()));
cur.updateFlags(cur.disp_.update() | Update::SinglePar);
return true;
}
}