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Implement TOPMOST windows

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svn path=/trunk/; revision=8928
This commit is contained in:
Gé van Geldorp 2004-03-30 20:50:16 +00:00
parent 63c532f15c
commit a8a999793f
2 changed files with 100 additions and 17 deletions
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66
reactos/subsys/win32k/ntuser/window.c
View file

@ -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: window.c,v 1.202 2004/03/28 21:46:26 weiden Exp $
/* $Id: window.c,v 1.203 2004/03/30 20:50:15 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -873,7 +873,7 @@ IntSetOwner(HWND hWnd, HWND hWndNewOwner)
PWINDOW_OBJECT FASTCALL
IntSetParent(PWINDOW_OBJECT Wnd, PWINDOW_OBJECT WndNewParent)
{
PWINDOW_OBJECT WndOldParent;
PWINDOW_OBJECT WndOldParent, Sibling, InsertAfter;
HWND hWnd, hWndNewParent, hWndOldParent;
BOOL WasVisible;
BOOL MenuChanged;
@ -904,7 +904,29 @@ IntSetParent(PWINDOW_OBJECT Wnd, PWINDOW_OBJECT WndNewParent)
if (WndNewParent != WndOldParent)
{
IntUnlinkWindow(Wnd);
IntLinkWindow(Wnd, WndNewParent, NULL /*prev sibling*/);
InsertAfter = NULL;
if (0 == (Wnd->ExStyle & WS_EX_TOPMOST))
{
/* Not a TOPMOST window, put after TOPMOSTs of new parent */
IntLockRelatives(WndNewParent);
Sibling = WndNewParent->FirstChild;
while (NULL != Sibling && 0 != (Sibling->ExStyle & WS_EX_TOPMOST))
{
InsertAfter = Sibling;
Sibling = Sibling->NextSibling;
}
IntUnLockRelatives(WndNewParent);
}
if (NULL == InsertAfter)
{
IntLinkWindow(Wnd, WndNewParent, InsertAfter /*prev sibling*/);
}
else
{
IntReferenceWindowObject(InsertAfter);
IntLinkWindow(Wnd, WndNewParent, InsertAfter /*prev sibling*/);
IntReleaseWindowObject(InsertAfter);
}
if (WndNewParent->Self != IntGetDesktopWindow()) /* a child window */
{
@ -917,12 +939,13 @@ IntSetParent(PWINDOW_OBJECT Wnd, PWINDOW_OBJECT WndNewParent)
}
/*
* SetParent additionally needs to make hwnd the topmost window
* in the x-order and send the expected WM_WINDOWPOSCHANGING and
* SetParent additionally needs to make hwnd the top window
* in the z-order and send the expected WM_WINDOWPOSCHANGING and
* WM_WINDOWPOSCHANGED notification messages.
*/
WinPosSetWindowPos(hWnd, HWND_TOPMOST, 0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (WasVisible ? SWP_SHOWWINDOW : 0));
WinPosSetWindowPos(hWnd, (0 == (Wnd->ExStyle & WS_EX_TOPMOST) ? HWND_TOP : HWND_TOPMOST),
0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE
| (WasVisible ? SWP_SHOWWINDOW : 0));
/*
* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
@ -1613,8 +1636,33 @@ NtUserCreateWindowEx(DWORD dwExStyle,
}
else
{
/* link window as top sibling */
IntLinkWindow(WindowObject, ParentWindow, NULL /*prev sibling*/);
/* link window as top sibling (but after topmost siblings) */
PWINDOW_OBJECT InsertAfter, Sibling;
if (0 == (dwExStyle & WS_EX_TOPMOST))
{
IntLockRelatives(ParentWindow);
InsertAfter = NULL;
Sibling = ParentWindow->FirstChild;
while (NULL != Sibling && 0 != (Sibling->ExStyle & WS_EX_TOPMOST))
{
InsertAfter = Sibling;
Sibling = Sibling->NextSibling;
}
IntUnLockRelatives(ParentWindow);
}
else
{
InsertAfter = NULL;
}
if (NULL != InsertAfter)
{
IntReferenceWindowObject(InsertAfter);
}
IntLinkWindow(WindowObject, ParentWindow, InsertAfter /* prev sibling */);
if (NULL != InsertAfter)
{
IntReleaseWindowObject(InsertAfter);
}
}
}

51
reactos/subsys/win32k/ntuser/winpos.c
View file

@ -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 1.105 2004/03/23 21:30:18 gvg Exp $
/* $Id: winpos.c,v 1.106 2004/03/30 20:50:16 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -745,7 +745,8 @@ WinPosFixupFlags(WINDOWPOS *WinPos, PWINDOW_OBJECT Window)
if (!(WinPos->flags & SWP_NOACTIVATE))
{
WinPos->flags &= ~SWP_NOZORDER;
WinPos->hwndInsertAfter = HWND_TOP;
WinPos->hwndInsertAfter = (0 != (Window->ExStyle & WS_EX_TOPMOST) ?
HWND_TOPMOST : HWND_TOP);
return TRUE;
}
}
@ -763,16 +764,22 @@ WinPosFixupFlags(WINDOWPOS *WinPos, PWINDOW_OBJECT Window)
WinPos->hwndInsertAfter = HWND_NOTOPMOST;
}
/* FIXME: TOPMOST not supported yet */
if ((WinPos->hwndInsertAfter == HWND_TOPMOST) ||
(WinPos->hwndInsertAfter == HWND_NOTOPMOST))
if (WinPos->hwndInsertAfter == HWND_NOTOPMOST)
{
WinPos->hwndInsertAfter = HWND_TOP;
}
else if (HWND_TOP == WinPos->hwndInsertAfter
&& 0 != (Window->ExStyle & WS_EX_TOPMOST))
{
/* Keep it topmost when it's already topmost */
WinPos->hwndInsertAfter = HWND_TOPMOST;
}
/* hwndInsertAfter must be a sibling of the window */
if ((WinPos->hwndInsertAfter != HWND_TOP) &&
(WinPos->hwndInsertAfter != HWND_BOTTOM))
if (HWND_TOPMOST != WinPos->hwndInsertAfter
&& HWND_TOP != WinPos->hwndInsertAfter
&& HWND_NOTOPMOST != WinPos->hwndInsertAfter
&& HWND_BOTTOM != WinPos->hwndInsertAfter)
{
PWINDOW_OBJECT Parent = IntGetParentObject(Window);
if (NtUserGetAncestor(WinPos->hwndInsertAfter, GA_PARENT) !=
@ -905,12 +912,32 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
if (!(WinPos.flags & SWP_NOZORDER) && WinPos.hwnd != NtUserGetShellWindow())
{
PWINDOW_OBJECT ParentWindow;
PWINDOW_OBJECT Sibling;
PWINDOW_OBJECT InsertAfterWindow;
if ((ParentWindow = IntGetParentObject(Window)))
{
if (WinPos.hwndInsertAfter == HWND_TOP)
if (HWND_TOPMOST == WinPos.hwndInsertAfter)
{
InsertAfterWindow = NULL;
}
else if (HWND_TOP == WinPos.hwndInsertAfter
|| HWND_NOTOPMOST == WinPos.hwndInsertAfter)
{
InsertAfterWindow = NULL;
IntLockRelatives(ParentWindow);
Sibling = ParentWindow->FirstChild;
while (NULL != Sibling && 0 != (Sibling->ExStyle & WS_EX_TOPMOST))
{
InsertAfterWindow = Sibling;
Sibling = Sibling->NextSibling;
}
if (NULL != InsertAfterWindow)
{
IntReferenceWindowObject(InsertAfterWindow);
}
IntUnLockRelatives(ParentWindow);
}
else if (WinPos.hwndInsertAfter == HWND_BOTTOM)
{
IntLockRelatives(ParentWindow);
@ -934,6 +961,14 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
}
if (InsertAfterWindow != NULL)
IntReleaseWindowObject(InsertAfterWindow);
if (HWND_TOPMOST == WinPos.hwndInsertAfter)
{
Window->ExStyle |= WS_EX_TOPMOST;
}
else
{
Window->ExStyle &= ~ WS_EX_TOPMOST;
}
IntReleaseWindowObject(ParentWindow);
}