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Fix crashes when the list of formts is empty.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@34393 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Vincent van Ravesteijn 2010-05-10 21:30:57 +00:00
parent 033c2a9468
commit ff129f2555
1 changed files with 4 additions and 0 deletions
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4
src/frontends/qt4/GuiPrefs.cpp
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@ -1523,6 +1523,8 @@ void PrefConverters::changeConverter()
void PrefConverters::updateButtons()
{
if (form_->formats().size() == 0)
return;
Format const & from = form_->formats().get(converterFromCO->currentIndex());
Format const & to = form_->formats().get(converterToCO->currentIndex());
int const sel = form_->converters().getNumber(from.name(), to.name());
@ -1801,6 +1803,8 @@ void PrefFileformats::updateView()
void PrefFileformats::on_formatsCB_currentIndexChanged(int i)
{
if (form_->formats().size() == 0)
return;
int const nr = formatsCB->itemData(i).toInt();
Format const f = form_->formats().get(nr);