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* fix crash due to a missing test whether thisSlice is -1 or a valid slice number

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21556 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Stefan Schimanski 2007-11-12 22:12:39 +00:00
parent adaad6e2e5
commit 963470c60e
1 changed files with 20 additions and 16 deletions
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10
src/mathed/MathData.cpp
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@ -565,6 +565,8 @@ void MathData::attachMacroParameters(Cursor & cur,
// remove them from the MathData
erase(begin() + macroPos + 1, begin() + p);
// fix up cursor
if (thisSlice != -1) {
// fix cursor if right of p
if (thisPos >= int(p))
cur[thisSlice].pos() -= p - (macroPos + 1);
@ -580,6 +582,7 @@ void MathData::attachMacroParameters(Cursor & cur,
macroInset->idxFirst(cur);
}
}
}
void MathData::collectOptionalParameters(Cursor & cur,
@ -618,7 +621,8 @@ void MathData::collectOptionalParameters(Cursor & cur,
params.push_back(optarg);
// place cursor in optional argument of macro
if (thisPos >= int(pos) && thisPos <= int(right)) {
if (thisSlice != -1
&& thisPos >= int(pos) && thisPos <= int(right)) {
int paramPos = std::max(0, thisPos - int(pos) - 1);
std::vector<CursorSlice> x;
cur.cutOff(thisSlice, x);
@ -652,7 +656,7 @@ void MathData::collectParameters(Cursor & cur,
// fix cursor
std::vector<CursorSlice> argSlices;
int argPos = 0;
if (thisPos == int(pos)) {
if (thisSlice != -1 && thisPos == int(pos)) {
cur.cutOff(thisSlice, argSlices);
}
@ -693,7 +697,7 @@ void MathData::collectParameters(Cursor & cur,
}
// put cursor in argument again
if (thisPos == int(pos)) {
if (thisSlice != - 1 && thisPos == int(pos)) {
cur.append(params.size() - 1, argPos);
cur.append(argSlices);
cur[thisSlice].pos() = macroPos;