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user32: Add support for a top-level message parent window in parallel to the desktop window.

This commit is contained in:
Alexandre Julliard 2008-06-25 14:26:06 +02:00
parent c9370c44ba
commit d71303e91c
4 changed files with 37 additions and 17 deletions
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9
dlls/user32/user_main.c
View File

@ -312,13 +312,16 @@ BOOL USER_IsExitingThread( DWORD tid )
*/
static void thread_detach(void)
{
struct user_thread_info *thread_info = get_user_thread_info();
exiting_thread_id = GetCurrentThreadId();
WDML_NotifyThreadDetach();
WIN_DestroyThreadWindows( get_user_thread_info()->desktop );
CloseHandle( get_user_thread_info()->server_queue );
HeapFree( GetProcessHeap(), 0, get_user_thread_info()->wmchar_data );
if (thread_info->top_window) WIN_DestroyThreadWindows( thread_info->top_window );
if (thread_info->msg_window) WIN_DestroyThreadWindows( thread_info->msg_window );
CloseHandle( thread_info->server_queue );
HeapFree( GetProcessHeap(), 0, thread_info->wmchar_data );
exiting_thread_id = 0;
}

5
dlls/user32/user_private.h
View File

@ -204,9 +204,10 @@ struct user_thread_info
HCURSOR cursor; /* Current cursor */
INT cursor_count; /* Cursor show count */
UINT active_hooks; /* Bitmap of active hooks */
HWND desktop; /* Desktop window */
HWND top_window; /* Desktop window */
HWND msg_window; /* HWND_MESSAGE parent window */
ULONG pad[10]; /* Available for more data */
ULONG pad[9]; /* Available for more data */
};
struct hook_extra_info

33
dlls/user32/win.c
View File

@ -150,10 +150,17 @@ static WND *create_window_handle( HWND parent, HWND owner, LPCWSTR name,
{
struct user_thread_info *thread_info = get_user_thread_info();
if (!thread_info->desktop) thread_info->desktop = full_parent ? full_parent : handle;
else assert( full_parent == thread_info->desktop );
if (full_parent && !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
ERR( "failed to create desktop window\n" );
if (name == (LPCWSTR)DESKTOP_CLASS_ATOM)
{
if (!thread_info->top_window) thread_info->top_window = full_parent ? full_parent : handle;
else assert( full_parent == thread_info->top_window );
if (full_parent && !USER_Driver->pCreateDesktopWindow( thread_info->top_window ))
ERR( "failed to create desktop window\n" );
}
else /* HWND_MESSAGE parent */
{
if (!thread_info->msg_window && !full_parent) thread_info->msg_window = handle;
}
}
USER_Lock();
@ -978,13 +985,17 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, LPCWSTR className, UINT flags
}
else
{
static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
{
WARN("No parent for child window\n" );
SetLastError(ERROR_TLW_WITH_WSCHILD);
return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
}
if (className != (LPCWSTR)DESKTOP_CLASS_ATOM) /* are we creating the desktop itself? */
/* are we creating the desktop or HWND_MESSAGE parent itself? */
if (className != (LPCWSTR)DESKTOP_CLASS_ATOM &&
(IS_INTRESOURCE(className) || strcmpiW( className, messageW )))
parent = GetDesktopWindow();
}
@ -1620,16 +1631,16 @@ HWND WINAPI GetDesktopWindow(void)
{
struct user_thread_info *thread_info = get_user_thread_info();
if (thread_info->desktop) return thread_info->desktop;
if (thread_info->top_window) return thread_info->top_window;
SERVER_START_REQ( get_desktop_window )
{
req->force = 0;
if (!wine_server_call( req )) thread_info->desktop = reply->handle;
if (!wine_server_call( req )) thread_info->top_window = reply->handle;
}
SERVER_END_REQ;
if (!thread_info->desktop)
if (!thread_info->top_window)
{
USEROBJECTFLAGS flags;
if (!GetUserObjectInformationW( GetProcessWindowStation(), UOI_FLAGS, &flags,
@ -1664,15 +1675,15 @@ HWND WINAPI GetDesktopWindow(void)
SERVER_START_REQ( get_desktop_window )
{
req->force = 1;
if (!wine_server_call( req )) thread_info->desktop = reply->handle;
if (!wine_server_call( req )) thread_info->top_window = reply->handle;
}
SERVER_END_REQ;
}
if (!thread_info->desktop || !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
if (!thread_info->top_window || !USER_Driver->pCreateDesktopWindow( thread_info->top_window ))
ERR( "failed to create desktop window\n" );
return thread_info->desktop;
return thread_info->top_window;
}

7
dlls/user32/winstation.c
View File

@ -395,7 +395,12 @@ BOOL WINAPI SetThreadDesktop( HDESK handle )
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
if (ret) get_user_thread_info()->desktop = 0; /* reset the desktop window */
if (ret) /* reset the desktop windows */
{
struct user_thread_info *thread_info = get_user_thread_info();
thread_info->top_window = 0;
thread_info->msg_window = 0;
}
return ret;
}