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Catch broadcast window handles in functions that are implemented using 

SendMessage.
This commit is contained in:
Alexandre Julliard 2003-05-19 19:00:02 +00:00
parent 020f8a4c82
commit d0af123a41
4 changed files with 55 additions and 7 deletions
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6
dlls/user/message.c
View File

@ -274,12 +274,6 @@ inline static BOOL listbox_has_strings( HWND hwnd )
return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
}
/* check if hwnd is a broadcast magic handle */
inline static BOOL is_broadcast( HWND hwnd )
{
return (hwnd == HWND_BROADCAST || hwnd == HWND_TOPMOST);
}
/***********************************************************************
* broadcast_message_callback

6
include/win.h
View File

@ -136,4 +136,10 @@ extern HBRUSH DEFWND_ControlColor( HDC hDC, UINT ctlType ); /* windows/defwnd.c
extern BOOL FOCUS_MouseActivate( HWND hwnd );
/* check if hwnd is a broadcast magic handle */
inline static BOOL is_broadcast( HWND hwnd )
{
return (hwnd == HWND_BROADCAST || hwnd == HWND_TOPMOST);
}
#endif /* __WINE_WIN_H */

27
windows/win.c
View File

@ -1691,6 +1691,12 @@ BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
LONG style;
HWND full_handle;
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!(full_handle = WIN_IsCurrentThread( hwnd )))
return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
@ -1983,6 +1989,11 @@ static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
TRACE( "%p %d %lx %x\n", hwnd, offset, newval, type );
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!WIN_IsCurrentProcess( hwnd ))
{
if (offset == GWL_WNDPROC)
@ -2322,6 +2333,11 @@ INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
*/
BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
{
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!WIN_IsCurrentProcess( hwnd ))
{
FIXME( "cannot set text %s of other process window %p\n", debugstr_a(lpString), hwnd );
@ -2337,6 +2353,11 @@ BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
*/
BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
{
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!WIN_IsCurrentProcess( hwnd ))
{
FIXME( "cannot set text %s of other process window %p\n", debugstr_w(lpString), hwnd );
@ -2537,6 +2558,12 @@ HWND WINAPI SetParent( HWND hwnd, HWND parent )
HWND retvalue, full_handle;
BOOL was_visible;
if (is_broadcast(hwnd) || is_broadcast(parent))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (!parent) parent = GetDesktopWindow();
else parent = WIN_GetFullHandle( parent );

23
windows/winpos.c
View File

@ -834,6 +834,12 @@ BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
{
HWND full_handle;
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((full_handle = WIN_IsCurrentThread( hwnd )))
return USER_Driver.pShowWindow( full_handle, cmd );
return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
@ -847,8 +853,17 @@ BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
{
HWND full_handle;
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((full_handle = WIN_IsCurrentThread( hwnd )))
return USER_Driver.pShowWindow( full_handle, cmd );
{
if (USER_Driver.pShowWindow)
return USER_Driver.pShowWindow( full_handle, cmd );
return FALSE;
}
return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
}
@ -1173,6 +1188,12 @@ BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
hwnd, hwndInsertAfter, x, y, cx, cy, flags);
if(TRACE_ON(win)) dump_winpos_flags(flags);
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
winpos.hwnd = WIN_GetFullHandle(hwnd);
winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
winpos.x = x;