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Fix a bug in BLayout::AddItem() where the right conditions + an error would have

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caused the wrongful removal of a BView from its parent.
This commit is contained in:
Alex Wilson 2011-09-12 14:31:11 -06:00
parent b8725ee37e
commit 90e615679c
1 changed files with 8 additions and 4 deletions
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10
src/kits/interface/Layout.cpp
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@ -162,10 +162,14 @@ BLayout::AddItem(int32 index, BLayoutItem* item)
// if the item refers to a BView, we make sure it is added to the parent // if the item refers to a BView, we make sure it is added to the parent
// view // view
BView* view = item->View(); BView* view = item->View();
AutoDeleter<BView, ViewRemover> remover(view); AutoDeleter<BView, ViewRemover> remover(NULL);
if (view && view->fParent != fTarget && !fTarget->_AddChild(view, NULL)) { // In case of errors, we don't want to leave this view added where it
remover.Detach(); // view wasn't added // shouldn't be.
if (view && view->fParent != fTarget) {
if (!fTarget->_AddChild(view, NULL))
return false; return false;
else
remover.SetTo(view);
} }
// validate the index // validate the index