wine/dlls/comctl32/draglist.c

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/*
* Drag List control
*
* Copyright 1999 Eric Kohl
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
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* NOTES
* This is just a dummy control. An author is needed! Any volunteers?
* I will only improve this control once in a while.
* Eric <ekohl@abo.rhein-zeitung.de>
*
* TODO:
* - Everything.
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
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#include "commctrl.h"
#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
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static DWORD dwLastScrollTime = 0;
/***********************************************************************
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* MakeDragList (COMCTL32.13)
*/
BOOL WINAPI MakeDragList (HWND hwndLB)
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{
FIXME("(%p)\n", hwndLB);
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return FALSE;
}
/***********************************************************************
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* DrawInsert (COMCTL32.15)
*/
VOID WINAPI DrawInsert (HWND hwndParent, HWND hwndLB, INT nItem)
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{
FIXME("(%p %p %d)\n", hwndParent, hwndLB, nItem);
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}
/***********************************************************************
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* LBItemFromPt (COMCTL32.14)
*/
INT WINAPI LBItemFromPt (HWND hwndLB, POINT pt, BOOL bAutoScroll)
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{
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RECT rcClient;
INT nIndex;
DWORD dwScrollTime;
FIXME("(%p %ld x %ld %s)\n",
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hwndLB, pt.x, pt.y, bAutoScroll ? "TRUE" : "FALSE");
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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);
}
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return -1;
}
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#if 0
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static LRESULT CALLBACK
DRAGLIST_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
return FALSE;
}
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#endif
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