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Fix list out of bounds exception if TabOrderList is empty

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git-svn-id: trunk@47213 -
This commit is contained in:
freq 2014-12-17 12:10:17 +00:00
parent c95dfb9e93
commit acfee8fe08
1 changed files with 12 additions and 9 deletions
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21
lcl/interfaces/cocoa/cocoawscommon.pas
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@ -1096,17 +1096,20 @@ begin
lList := TFPList.Create; lList := TFPList.Create;
try try
AWinControl.GetTabOrderList(lList); AWinControl.GetTabOrderList(lList);
prevControl := TWinControl(lList.Items[lList.Count-1]); if lList.Count>0 then
lPrevView := GetNSObjectView(NSObject(prevControl.Handle)); begin
for i := 0 to lList.Count-1 do prevControl := TWinControl(lList.Items[lList.Count-1]);
begin lPrevView := GetNSObjectView(NSObject(prevControl.Handle));
curControl := TWinControl(lList.Items[i]); for i := 0 to lList.Count-1 do
lCurView := GetNSObjectView(NSObject(curControl.Handle)); begin
curControl := TWinControl(lList.Items[i]);
lCurView := GetNSObjectView(NSObject(curControl.Handle));
if (lCurView <> nil) and (lPrevView <> nil) then if (lCurView <> nil) and (lPrevView <> nil) then
lPrevView.setNextKeyView(lCurView); lPrevView.setNextKeyView(lCurView);
lPrevView := lCurView; lPrevView := lCurView;
end;
end; end;
finally finally
lList.Free; lList.Free;