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server: Allow to specify the class name instead of the atom to find a window.

This commit is contained in:
Alexandre Julliard 2007-11-02 15:26:49 +01:00
parent 1fc461f98b
commit a54a990b3b
5 changed files with 41 additions and 54 deletions
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76
dlls/user32/win.c
View File

@ -211,7 +211,7 @@ static WND *free_window_handle( HWND hwnd )
* Build an array of the children of a given window. The array must be
* freed with HeapFree. Returns NULL when no windows are found.
*/
static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
static HWND *list_window_children( HWND hwnd, LPCWSTR class, DWORD tid )
{
HWND *list;
int size = 32;
@ -225,8 +225,9 @@ static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
SERVER_START_REQ( get_window_children )
{
req->parent = hwnd;
req->atom = atom;
req->tid = tid;
if (!(req->atom = get_int_atom_value( class )) && class)
wine_server_add_data( req, class, strlenW(class)*sizeof(WCHAR) );
wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
if (!wine_server_call( req )) count = reply->count;
}
@ -1398,11 +1399,9 @@ BOOL WINAPI OpenIcon( HWND hwnd )
/***********************************************************************
* WIN_FindWindow
*
* Implementation of FindWindow() and FindWindowEx().
* FindWindowExW (USER32.@)
*/
static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
HWND WINAPI FindWindowExW( HWND parent, HWND child, LPCWSTR className, LPCWSTR title )
{
HWND *list = NULL;
HWND retvalue = 0;
@ -1458,57 +1457,34 @@ HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
/***********************************************************************
* FindWindowExA (USER32.@)
*/
HWND WINAPI FindWindowExA( HWND parent, HWND child,
LPCSTR className, LPCSTR title )
HWND WINAPI FindWindowExA( HWND parent, HWND child, LPCSTR className, LPCSTR title )
{
ATOM atom = 0;
LPWSTR buffer;
HWND hwnd;
INT len;
LPWSTR titleW = NULL;
HWND hwnd = 0;
if (className)
if (title)
{
/* If the atom doesn't exist, then no class */
/* with this name exists either. */
if (!(atom = GlobalFindAtomA( className )))
{
SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
return 0;
}
DWORD len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
if (!(titleW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
MultiByteToWideChar( CP_ACP, 0, title, -1, titleW, len );
}
if (!title) return WIN_FindWindow( parent, child, atom, NULL );
len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
hwnd = WIN_FindWindow( parent, child, atom, buffer );
HeapFree( GetProcessHeap(), 0, buffer );
if (!IS_INTRESOURCE(className))
{
WCHAR classW[256];
if (MultiByteToWideChar( CP_ACP, 0, className, -1, classW, sizeof(classW)/sizeof(WCHAR) ))
hwnd = FindWindowExW( parent, child, classW, titleW );
}
else
{
hwnd = FindWindowExW( parent, child, (LPCWSTR)className, titleW );
}
HeapFree( GetProcessHeap(), 0, titleW );
return hwnd;
}
/***********************************************************************
* FindWindowExW (USER32.@)
*/
HWND WINAPI FindWindowExW( HWND parent, HWND child,
LPCWSTR className, LPCWSTR title )
{
ATOM atom = 0;
if (className)
{
/* If the atom doesn't exist, then no class */
/* with this name exists either. */
if (!(atom = GlobalFindAtomW( className )))
{
SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
return 0;
}
}
return WIN_FindWindow( parent, child, atom, title );
}
/***********************************************************************
* FindWindowW (USER32.@)
*/
@ -2774,7 +2750,7 @@ HWND WINAPI GetLastActivePopup( HWND hwnd )
*/
HWND *WIN_ListChildren( HWND hwnd )
{
return list_window_children( hwnd, 0, 0 );
return list_window_children( hwnd, NULL, 0 );
}
@ -2818,7 +2794,7 @@ BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
USER_CheckNotLock();
if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
if (!(list = list_window_children( GetDesktopWindow(), NULL, id ))) return TRUE;
/* Now call the callback function for every window */

3
include/wine/server_protocol.h
View File

@ -2888,6 +2888,7 @@ struct get_window_children_request
user_handle_t parent;
atom_t atom;
thread_id_t tid;
/* VARARG(class,unicode_str); */
};
struct get_window_children_reply
{
@ -4884,6 +4885,6 @@ union generic_reply
struct set_completion_info_reply set_completion_info_reply;
};
#define SERVER_PROTOCOL_VERSION 327
#define SERVER_PROTOCOL_VERSION 328
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

1
server/protocol.def
View File

@ -2131,6 +2131,7 @@ enum message_type
user_handle_t parent; /* parent window */
atom_t atom; /* class atom for the listed children */
thread_id_t tid; /* thread owning the listed children */
VARARG(class,unicode_str); /* class name */
@REPLY
int count; /* total count of children */
VARARG(children,user_handles); /* children handles */

4
server/trace.c
View File

@ -2635,7 +2635,9 @@ static void dump_get_window_children_request( const struct get_window_children_r
{
fprintf( stderr, " parent=%p,", req->parent );
fprintf( stderr, " atom=%04x,", req->atom );
fprintf( stderr, " tid=%04x", req->tid );
fprintf( stderr, " tid=%04x,", req->tid );
fprintf( stderr, " class=" );
dump_varargs_unicode_str( cur_size );
}
static void dump_get_window_children_reply( const struct get_window_children_reply *req )

11
server/window.c
View File

@ -1757,12 +1757,19 @@ DECL_HANDLER(get_window_children)
int total = 0;
user_handle_t *data;
data_size_t len;
atom_t atom = req->atom;
if (get_req_data_size())
{
atom = find_global_atom( NULL, get_req_data(), get_req_data_size() / sizeof(WCHAR) );
if (!atom) return;
}
if (parent)
{
LIST_FOR_EACH_ENTRY( ptr, &parent->children, struct window, entry )
{
if (req->atom && get_class_atom(ptr->class) != req->atom) continue;
if (atom && get_class_atom(ptr->class) != atom) continue;
if (req->tid && get_thread_id(ptr->thread) != req->tid) continue;
total++;
}
@ -1774,7 +1781,7 @@ DECL_HANDLER(get_window_children)
LIST_FOR_EACH_ENTRY( ptr, &parent->children, struct window, entry )
{
if (len < sizeof(*data)) break;
if (req->atom && get_class_atom(ptr->class) != req->atom) continue;
if (atom && get_class_atom(ptr->class) != atom) continue;
if (req->tid && get_thread_id(ptr->thread) != req->tid) continue;
*data++ = ptr->handle;
len -= sizeof(*data);