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Check the validity of an item before querying its tooltip

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In case data() does not handle invalid items.
This commit is contained in:
Guillaume Munch 2016-12-03 23:35:15 +01:00
parent 03a0e983bc
commit 851ed60e49
1 changed files with 2 additions and 0 deletions
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2
src/frontends/qt4/ToolTipFormatter.cpp
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@ -52,6 +52,8 @@ bool ToolTipFormatter::eventFilter(QObject * o, QEvent * e)
// on the screen.
QPoint pos = static_cast<QHelpEvent *>(e)->pos();
QModelIndex item = iv->indexAt(pos);
if (!item.isValid())
return false;
QVariant data = iv->model()->data(item, Qt::ToolTipRole);
if (data.isValid() && data.typeName() == toqstr("QString"))
// Unchanged if empty or already formatted