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Recompute scrollbar positions in case window changed size

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svn path=/trunk/; revision=4723
This commit is contained in:
Gé van Geldorp 2003-05-18 22:11:41 +00:00
parent 94571478d5
commit 7bd3409f53
1 changed files with 7 additions and 5 deletions
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12
reactos/subsys/win32k/ntuser/scrollbar.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: scrollbar.c,v 1.5 2003/05/18 17:16:17 ea Exp $
/* $Id: scrollbar.c,v 1.6 2003/05/18 22:11:41 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -56,12 +56,9 @@
static BOOL STDCALL
SCROLL_GetScrollBarRect (PWINDOW_OBJECT Window, INT nBar, PRECT lprect)
{
SCROLLBARINFO info;
INT pixels, thumbSize, arrowSize;
BOOL vertical;
RECT ClientRect = Window->ClientRect;
RECT WindowRect = Window->WindowRect;
ULONG Style;
switch (nBar)
{
@ -105,6 +102,7 @@ SCROLL_GetScrollBarRect (PWINDOW_OBJECT Window, INT nBar, PRECT lprect)
return FALSE;
}
#if 0 /* The code below computes all kind of stuff without using it */
if (vertical)
pixels = lprect->bottom - lprect->top;
else
@ -148,6 +146,7 @@ SCROLL_GetScrollBarRect (PWINDOW_OBJECT Window, INT nBar, PRECT lprect)
+ MulDiv(pixels, (info->CurVal-info->MinVal),(max - info->MinVal));
} */
}
#endif
return vertical;
}
@ -162,7 +161,8 @@ DWORD FASTCALL SCROLL_CreateScrollBar(PWINDOW_OBJECT Window, LONG idObject)
&Window->WindowRect,
&Window->ClientRect);
psbi = ExAllocatePool(NonPagedPool, sizeof(SCROLLBARINFO));
psbi = ExAllocatePool(PagedPool, sizeof(SCROLLBARINFO));
psbi->cbSize = sizeof(SCROLLBARINFO);
for (i=0; i<CCHILDREN_SCROLLBAR+1; i++)
psbi->rgstate[i] = 0;
@ -205,6 +205,8 @@ DWORD STDCALL SCROLL_GetScrollBarInfo(PWINDOW_OBJECT Window, LONG idObject, PSCR
return FALSE;
}
SCROLL_GetScrollBarRect (Window, idObject, &(psbi->rcScrollBar));
return TRUE;
}