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minor flicker reduction in the virtual list ctrl

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12577 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-11-22 00:43:38 +00:00
parent 5dcf9614cf
commit ad9f477da5
1 changed files with 10 additions and 3 deletions
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13
src/msw/listctrl.cpp
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@@ -752,8 +752,9 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask)
wxConvertToMSWFlags(state, stateMask, lvItem);
// for the virtual list controls we need to refresh the previously focused
// item manually when changing focus programmatically because otherwise it
// keeps its focus rectangle until next repaint (yet another comctl32 bug)
// item manually when changing focus without changing selection
// programmatically because otherwise it keeps its focus rectangle until
// next repaint (yet another comctl32 bug)
long focusOld;
if ( IsVirtual() &&
(stateMask & wxLIST_STATE_FOCUSED) &&
@@ -776,7 +777,13 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask)
if ( focusOld != -1 )
{
RefreshItem(focusOld);
// no need to refresh the item if it was previously selected, it would
// only result in annoying flicker
if ( !(GetItemState(focusOld,
wxLIST_STATE_SELECTED) & wxLIST_STATE_SELECTED) )
{
RefreshItem(focusOld);
}
}
return TRUE;