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user32: Rewrite SWP_DoOwnedPopups to take into account topmost windows.

This commit is contained in:
Alexandre Julliard 2008-02-18 15:00:38 +01:00
parent 75adca5385
commit 8f15dd4d4e
1 changed files with 53 additions and 35 deletions
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88
dlls/user32/winpos.c
View File

@ -1326,27 +1326,6 @@ static inline void get_valid_rects( const RECT *old_client, const RECT *new_clie
}
}
struct move_owned_info
{
HWND owner;
HWND insert_after;
};
static BOOL CALLBACK move_owned_popups( HWND hwnd, LPARAM lparam )
{
struct move_owned_info *info = (struct move_owned_info *)lparam;
if (hwnd == info->owner) return FALSE;
if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) &&
GetWindow( hwnd, GW_OWNER ) == info->owner)
{
SetWindowPos( hwnd, info->insert_after, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE |
SWP_NOSENDCHANGING | SWP_DEFERERASE );
info->insert_after = hwnd;
}
return TRUE;
}
/***********************************************************************
* SWP_DoOwnedPopups
@ -1358,36 +1337,75 @@ static BOOL CALLBACK move_owned_popups( HWND hwnd, LPARAM lparam )
*/
static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
{
HWND owner = GetWindow( hwnd, GW_OWNER );
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
struct move_owned_info info;
HWND owner, *list = NULL;
unsigned int i;
TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
if ((style & WS_POPUP) && owner)
if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
{
/* make sure this popup stays above the owner */
if (hwndInsertAfter != HWND_TOP && hwndInsertAfter != HWND_TOPMOST)
{
HWND hwndLocalPrev = HWND_TOP;
HWND prev = GetWindow( owner, GW_HWNDPREV );
if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
while (prev && prev != hwndInsertAfter)
for (i = 0; list[i]; i++)
{
if (hwndLocalPrev == HWND_TOP && GetWindowLongW( prev, GWL_STYLE ) & WS_VISIBLE)
hwndLocalPrev = prev;
prev = GetWindow( prev, GW_HWNDPREV );
if (list[i] == owner)
{
if (i > 0) hwndInsertAfter = list[i-1];
else hwndInsertAfter = HWND_TOP;
break;
}
if (hwndInsertAfter == HWND_NOTOPMOST)
{
if (!(GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) break;
}
else if (list[i] == hwndInsertAfter) break;
}
if (!prev) hwndInsertAfter = hwndLocalPrev;
}
}
else if (style & WS_CHILD) return hwndInsertAfter;
info.owner = hwnd;
info.insert_after = hwndInsertAfter;
EnumWindows( move_owned_popups, (LPARAM)&info );
return info.insert_after;
if (hwndInsertAfter == HWND_BOTTOM) goto done;
if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
i = 0;
if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
{
if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
{
/* skip all the topmost windows */
while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
}
}
else if (hwndInsertAfter != HWND_TOPMOST)
{
/* skip windows that are already placed correctly */
for (i = 0; list[i]; i++)
{
if (list[i] == hwndInsertAfter) break;
if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
}
}
for ( ; list[i]; i++)
{
if (list[i] == hwnd) break;
if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
hwndInsertAfter = list[i];
}
done:
HeapFree( GetProcessHeap(), 0, list );
return hwndInsertAfter;
}
/***********************************************************************