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Check for valid ClientRect

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svn path=/trunk/; revision=8852
This commit is contained in:
Gé van Geldorp 2004-03-23 21:30:18 +00:00
parent 82e886d635
commit 022bd7dd68
1 changed files with 46 additions and 2 deletions
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48
reactos/subsys/win32k/ntuser/winpos.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: winpos.c,v 1.104 2004/03/23 18:08:07 weiden Exp $
/* $Id: winpos.c,v 1.105 2004/03/23 21:30:18 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -441,6 +441,43 @@ WinPosGetMinMaxInfo(PWINDOW_OBJECT Window, POINT* MaxSize, POINT* MaxPos,
return 0; //FIXME: what does it return?
}
STATIC VOID FASTCALL
FixClientRect(PRECT ClientRect, PRECT WindowRect)
{
if (ClientRect->left < WindowRect->left)
{
ClientRect->left = WindowRect->left;
}
else if (WindowRect->right < ClientRect->left)
{
ClientRect->left = WindowRect->right;
}
if (ClientRect->right < WindowRect->left)
{
ClientRect->right = WindowRect->left;
}
else if (WindowRect->right < ClientRect->right)
{
ClientRect->right = WindowRect->right;
}
if (ClientRect->top < WindowRect->top)
{
ClientRect->top = WindowRect->top;
}
else if (WindowRect->bottom < ClientRect->top)
{
ClientRect->top = WindowRect->bottom;
}
if (ClientRect->bottom < WindowRect->top)
{
ClientRect->bottom = WindowRect->top;
}
else if (WindowRect->bottom < ClientRect->bottom)
{
ClientRect->bottom = WindowRect->bottom;
}
}
LONG STATIC FASTCALL
WinPosDoNCCALCSize(PWINDOW_OBJECT Window, PWINDOWPOS WinPos,
RECT* WindowRect, RECT* ClientRect)
@ -482,6 +519,7 @@ WinPosDoNCCALCSize(PWINDOW_OBJECT Window, PWINDOWPOS WinPos,
NtGdiOffsetRect(ClientRect, Parent->ClientRect.left,
Parent->ClientRect.top);
}
FixClientRect(ClientRect, WindowRect);
}
/* FIXME: WVR_ALIGNxxx */
@ -1137,8 +1175,14 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
LRESULT FASTCALL
WinPosGetNonClientSize(HWND Wnd, RECT* WindowRect, RECT* ClientRect)
{
LRESULT Result;
*ClientRect = *WindowRect;
return(IntSendMessage(Wnd, WM_NCCALCSIZE, FALSE, (LPARAM) ClientRect));
Result = IntSendMessage(Wnd, WM_NCCALCSIZE, FALSE, (LPARAM) ClientRect);
FixClientRect(ClientRect, WindowRect);
return Result;
}
BOOLEAN FASTCALL