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- Improve repainting after a window move

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- Move child windows if their parent is moved

svn path=/trunk/; revision=5830
This commit is contained in:
Gé van Geldorp 2003-08-24 16:20:30 +00:00
parent c466a4450e
commit c157c95deb
1 changed files with 48 additions and 1 deletions
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49
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 1.27 2003/08/21 20:14:45 gvg Exp $
/* $Id: winpos.c,v 1.28 2003/08/24 16:20:30 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -686,6 +686,37 @@ nocopy:
return uFlags;
}
/***********************************************************************
* WinPosInternalMoveWindow
*
* Update WindowRect and ClientRect of Window and all of its children
* We keep both WindowRect and ClientRect in screen coordinates internally
*/
static VOID
WinPosInternalMoveWindow(PWINDOW_OBJECT Window, INT MoveX, INT MoveY)
{
PWINDOW_OBJECT Child;
Window->WindowRect.left += MoveX;
Window->WindowRect.right += MoveX;
Window->WindowRect.top += MoveY;
Window->WindowRect.bottom += MoveY;
Window->ClientRect.left += MoveX;
Window->ClientRect.right += MoveX;
Window->ClientRect.top += MoveY;
Window->ClientRect.bottom += MoveY;
ExAcquireFastMutexUnsafe(&Window->ChildrenListLock);
Child = Window->FirstChild;
while (Child)
{
WinPosInternalMoveWindow(Child, MoveX, MoveY);
Child = Child->NextSibling;
}
ExReleaseFastMutexUnsafe(&Window->ChildrenListLock);
}
BOOLEAN STDCALL
WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
@ -817,6 +848,12 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
/* FIXME: Check for redrawing the whole client rect. */
if (! (WinPos.flags & SWP_NOMOVE))
{
WinPosInternalMoveWindow(Window,
NewWindowRect.left - OldWindowRect.left,
NewWindowRect.top - OldWindowRect.top);
}
Window->WindowRect = NewWindowRect;
Window->ClientRect = NewClientRect;
@ -874,6 +911,14 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
NtGdiDeleteObject(VisibleRgn);
}
if (! (WinPos.flags & SWP_NOMOVE))
{
VisibleRgn = UnsafeIntCreateRectRgnIndirect(&Window->WindowRect);
NtGdiCombineRgn(VisibleRgn, VisRgn, VisibleRgn, RGN_DIFF);
VIS_WindowLayoutChanged(PsGetWin32Thread()->Desktop, Window, VisibleRgn);
NtGdiDeleteObject(VisibleRgn);
}
/* FIXME: Hide or show the claret */
if (VisRgn)
@ -888,6 +933,7 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
RDW_ALLCHILDREN | RDW_ERASENOW,
RDW_EX_XYWINDOW | RDW_EX_USEHRGN);
}
#if 0
else
{
PaintRedrawWindow(Window->Parent, NULL,
@ -896,6 +942,7 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
RDW_ERASENOW,
RDW_EX_USEHRGN);
}
#endif
/* FIXME: Redraw the window parent. */
}
if ((HRGN) 1 != VisRgn)