Commit ce7bfd6a authored by Alexandre Julliard's avatar Alexandre Julliard

user32: Erase parent window when child is hidden. From a patch by Clinton Stimpson.

parent 5b6bb63a
......@@ -280,7 +280,7 @@ static BOOL send_erase( HWND hwnd, UINT flags, HRGN client_rgn,
*
* Implementation of RDW_ERASENOW behavior.
*/
static void erase_now( HWND hwnd, UINT rdw_flags )
void erase_now( HWND hwnd, UINT rdw_flags )
{
HWND child = 0;
HRGN hrgn;
......
......@@ -3994,7 +3994,7 @@ static void test_messages(void)
/* check parent messages too */
log_all_parent_messages++;
ShowWindow(hchild, SW_HIDE);
ok_sequence(WmHideChildSeq2, "ShowWindow(SW_HIDE):child", TRUE);
ok_sequence(WmHideChildSeq2, "ShowWindow(SW_HIDE):child", FALSE);
log_all_parent_messages--;
ShowWindow(hchild, SW_SHOW);
......
......@@ -213,6 +213,7 @@ extern HBRUSH SYSCOLOR_55AABrush;
extern BOOL CLIPBOARD_ReleaseOwner(void);
extern BOOL FOCUS_MouseActivate( HWND hwnd );
extern BOOL HOOK_IsHooked( INT id );
extern void erase_now( HWND hwnd, UINT rdw_flags );
extern LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam );
extern LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
UINT msg, WPARAM wparam, LPARAM lparam,
......
......@@ -1604,13 +1604,19 @@ BOOL USER_SetWindowPos( WINDOWPOS * winpos )
&newWindowRect, &newClientRect, orig_flags, valid_rects ))
return FALSE;
/* Windows doesn't redraw a window if it is being just moved */
if (!(orig_flags & SWP_SHOWWINDOW) &&
(winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)
/* erase parent if hiding child */
if (!(orig_flags & SWP_DEFERERASE))
{
UINT rdw_flags = RDW_FRAME | RDW_ERASE;
if ( !(orig_flags & SWP_DEFERERASE) ) rdw_flags |= RDW_ERASENOW;
RedrawWindow( winpos->hwnd, NULL, NULL, rdw_flags );
if (orig_flags & SWP_HIDEWINDOW)
{
HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
erase_now( parent, RDW_NOCHILDREN );
}
else if (!(orig_flags & SWP_SHOWWINDOW) &&
(winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)
{
erase_now( winpos->hwnd, 0 );
}
}
if( winpos->flags & SWP_HIDEWINDOW )
......
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