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Fix crash

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When use the function "invert selection" qet crash when a selected
conductor is being deselected.
This commit is contained in:
joshua
2021-02-09 21:05:32 +01:00
parent e3fab9508f
commit c592b7a7fd
1 changed files with 19 additions and 3 deletions
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22
sources/diagram.cpp
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@@ -1693,10 +1693,26 @@ void Diagram::invertSelection()
if (items().isEmpty()) return; if (items().isEmpty()) return;
blockSignals(true); blockSignals(true);
foreach (QGraphicsItem *item,
items()) item -> setSelected(!item -> isSelected()); //Get only allowed graphics item
//because some item can be deleted between the
//call of items() and the use of the item in the second 'for' loop
//and crash Qet with a segfault.
QVector<QGraphicsItem *> item_list;
for (auto item : items())
{
if (dynamic_cast<QetGraphicsItem *>(item) ||
dynamic_cast<DiagramTextItem *>(item) ||
dynamic_cast<Conductor *>(item)) {
item_list << item;
}
}
for (auto item : qAsConst(item_list)) {
item -> setSelected(!item -> isSelected());
}
blockSignals(false); blockSignals(false);
emit(selectionChanged()); emit selectionChanged();
} }
/** /**