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fix occasional exception while dragging

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@30234 72102866-910b-0410-8b05-ffd578937521
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dpsimons 2010-04-24 19:43:35 +00:00
parent a3603ff386
commit 08f19c72bf
2 changed files with 6 additions and 1 deletions
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2
Source/NSOutlineView.m
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@ -1359,7 +1359,7 @@ Also returns the child index relative to this parent. */
/* If we have been hovering over an item for more than half a second,
* we should expand it.
*/
if ([lastDragUpdate timeIntervalSinceDate: lastDragChange] >= 0.5)
if (lastDragChange != nil && [lastDragUpdate timeIntervalSinceDate: lastDragChange] >= 0.5)
{
id item = [_items objectAtIndex: row];
if ([self isExpandable: item] && ![self isItemExpanded: item])