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comctl32/listbox: Send LB_RESETCONTENT from RemoveItem rather than DeleteItem. 

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Gabriel Ivăncescu 2019-02-13 16:36:20 +02:00 committed by Alexandre Julliard
parent 7834e40989
commit 7d1350491e
1 changed files with 8 additions and 12 deletions
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20
dlls/comctl32/listbox.c
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@ -1657,19 +1657,12 @@ static LRESULT LISTBOX_InsertString( LB_DESCR *descr, INT index, LPCWSTR str )
*/
static void LISTBOX_DeleteItem( LB_DESCR *descr, INT index )
{
/* save the item data before it gets freed by LB_RESETCONTENT */
ULONG_PTR item_data = get_item_data(descr, index);
LPWSTR item_str = get_item_string(descr, index);
if (!descr->nb_items)
SendMessageW( descr->self, LB_RESETCONTENT, 0, 0 );
/* Note: Win 3.1 only sends DELETEITEM on owner-draw items,
* while Win95 sends it for all items with user data.
* It's probably better to send it too often than not
* often enough, so this is what we do here.
*/
if (IS_OWNERDRAW(descr) || item_data)
if (IS_OWNERDRAW(descr) || get_item_data(descr, index))
{
DELETEITEMSTRUCT dis;
UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
@ -1678,10 +1671,10 @@ static void LISTBOX_DeleteItem( LB_DESCR *descr, INT index )
dis.CtlID = id;
dis.itemID = index;
dis.hwndItem = descr->self;
dis.itemData = item_data;
dis.itemData = get_item_data(descr, index);
SendMessageW( descr->owner, WM_DELETEITEM, id, (LPARAM)&dis );
}
HeapFree( GetProcessHeap(), 0, item_str );
HeapFree( GetProcessHeap(), 0, get_item_string(descr, index) );
}
@ -1699,11 +1692,14 @@ static LRESULT LISTBOX_RemoveItem( LB_DESCR *descr, INT index )
/* We need to invalidate the original rect instead of the updated one. */
LISTBOX_InvalidateItems( descr, index );
if (descr->nb_items == 1)
{
SendMessageW(descr->self, LB_RESETCONTENT, 0, 0);
return LB_OKAY;
}
descr->nb_items--;
LISTBOX_DeleteItem( descr, index );
if (!descr->nb_items) return LB_OKAY;
/* Remove the item */
item = &descr->items[index];