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- implemented LBItemFromPt

This commit is contained in:
Eric Kohl 1999-11-23 23:35:12 +00:00 committed by Alexandre Julliard
parent 2b51c94674
commit 663921f97c
1 changed files with 58 additions and 0 deletions
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58
dlls/comctl32/draglist.c
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@ -18,6 +18,9 @@
DEFAULT_DEBUG_CHANNEL(commctrl)
static DWORD dwLastScrollTime = 0;
BOOL WINAPI MakeDragList (HWND hwndLB)
{
FIXME("(0x%x)\n", hwndLB);
@ -37,10 +40,65 @@ VOID WINAPI DrawInsert (HWND hwndParent, HWND hwndLB, INT nItem)
INT WINAPI LBItemFromPt (HWND hwndLB, POINT pt, BOOL bAutoScroll)
{
RECT rcClient;
INT nIndex;
DWORD dwScrollTime;
FIXME("(0x%x %ld x %ld %s)\n",
hwndLB, pt.x, pt.y, bAutoScroll ? "TRUE" : "FALSE");
ScreenToClient (hwndLB, &pt);
GetClientRect (hwndLB, &rcClient);
nIndex = (INT)SendMessageA (hwndLB, LB_GETTOPINDEX, 0, 0);
if (PtInRect (&rcClient, pt))
{
/* point is inside -- get the item index */
while (TRUE)
{
if (SendMessageA (hwndLB, LB_GETITEMRECT, nIndex, (LPARAM)&rcClient) == LB_ERR)
return -1;
if (PtInRect (&rcClient, pt))
return nIndex;
nIndex++;
}
}
else
{
/* point is outside */
if (!bAutoScroll)
return -1;
if ((pt.x > rcClient.right) || (pt.x < rcClient.left))
return -1;
if (pt.y < 0)
nIndex--;
else
nIndex++;
dwScrollTime = GetTickCount ();
if ((dwScrollTime - dwLastScrollTime) < 200)
return -1;
dwLastScrollTime = dwScrollTime;
SendMessageA (hwndLB, LB_SETTOPINDEX, (WPARAM)nIndex, 0);
}
return -1;
}
static LRESULT CALLBACK
DRAGLIST_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
return FALSE;
}