Module: wine Branch: master Commit: a21b16d8cb0f0acefc0f1cb6ea646c5ddf752c48 URL: https://source.winehq.org/git/wine.git/?a=commit;h=a21b16d8cb0f0acefc0f1cb6e...
Author: Nikolay Sivov nsivov@codeweavers.com Date: Mon Feb 5 00:29:44 2018 +0300
user32: Fix names returned with GetClassName().
Signed-off-by: Nikolay Sivov nsivov@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/user32/class.c | 39 +++++++++++++++++++++++++++------------ dlls/user32/tests/class.c | 2 -- dlls/user32/user_private.h | 2 +- dlls/user32/win.c | 2 +- 4 files changed, 29 insertions(+), 16 deletions(-)
diff --git a/dlls/user32/class.c b/dlls/user32/class.c index fd9af7f..8fba5bf 100644 --- a/dlls/user32/class.c +++ b/dlls/user32/class.c @@ -61,6 +61,7 @@ typedef struct tagCLASS HBRUSH hbrBackground; /* Default background */ ATOM atomName; /* Name of the class */ WCHAR name[MAX_ATOM_LEN + 1]; + WCHAR *basename; /* Base name for redirected classes, pointer within 'name'. */ } CLASS;
static struct list class_list = LIST_INIT( class_list ); @@ -324,7 +325,7 @@ static void CLASS_FreeClass( CLASS *classPtr ) USER_Unlock(); }
-const WCHAR *CLASS_GetVersionedName( const WCHAR *name ) +const WCHAR *CLASS_GetVersionedName( const WCHAR *name, UINT *basename_offset ) { ACTCTX_SECTION_KEYED_DATA data; struct wndclass_redirect_data @@ -337,6 +338,9 @@ const WCHAR *CLASS_GetVersionedName( const WCHAR *name ) ULONG module_offset; } *wndclass;
+ if (basename_offset) + *basename_offset = 0; + if (IS_INTRESOURCE( name )) return name;
@@ -348,6 +352,9 @@ const WCHAR *CLASS_GetVersionedName( const WCHAR *name ) return name;
wndclass = (struct wndclass_redirect_data *)data.lpData; + if (basename_offset) + *basename_offset = wndclass->name_len / sizeof(WCHAR) - strlenW(name); + return (const WCHAR *)((BYTE *)wndclass + wndclass->name_offset); }
@@ -366,7 +373,7 @@ static CLASS *CLASS_FindClass( LPCWSTR name, HINSTANCE hinstance )
if (!name) return NULL;
- name = CLASS_GetVersionedName( name ); + name = CLASS_GetVersionedName( name, NULL );
for (;;) { @@ -408,7 +415,7 @@ static CLASS *CLASS_FindClass( LPCWSTR name, HINSTANCE hinstance ) * * The real RegisterClass() functionality. */ -static CLASS *CLASS_RegisterClass( LPCWSTR name, HINSTANCE hInstance, BOOL local, +static CLASS *CLASS_RegisterClass( LPCWSTR name, UINT basename_offset, HINSTANCE hInstance, BOOL local, DWORD style, INT classExtra, INT winExtra ) { CLASS *classPtr; @@ -428,7 +435,12 @@ static CLASS *CLASS_RegisterClass( LPCWSTR name, HINSTANCE hInstance, BOOL local if (!classPtr) return NULL;
classPtr->atomName = get_int_atom_value( name ); - if (!classPtr->atomName && name) strcpyW( classPtr->name, name ); + classPtr->basename = classPtr->name; + if (!classPtr->atomName && name) + { + strcpyW( classPtr->name, name ); + classPtr->basename += basename_offset; + } else GlobalGetAtomNameW( classPtr->atomName, classPtr->name, sizeof(classPtr->name)/sizeof(WCHAR) );
SERVER_START_REQ( create_class ) @@ -476,7 +488,7 @@ static void register_builtin( const struct builtin_class_descr *descr ) { CLASS *classPtr;
- if (!(classPtr = CLASS_RegisterClass( descr->name, user32_module, FALSE, + if (!(classPtr = CLASS_RegisterClass( descr->name, 0, user32_module, FALSE, descr->style, 0, descr->extra ))) return;
if (descr->cursor) classPtr->hCursor = LoadCursorA( 0, (LPSTR)descr->cursor ); @@ -632,14 +644,15 @@ ATOM WINAPI RegisterClassExA( const WNDCLASSEXA* wc )
if (!IS_INTRESOURCE(wc->lpszClassName)) { + UINT basename_offset; if (!MultiByteToWideChar( CP_ACP, 0, wc->lpszClassName, -1, name, MAX_ATOM_LEN + 1 )) return 0; - classname = CLASS_GetVersionedName( name ); - classPtr = CLASS_RegisterClass( classname, instance, !(wc->style & CS_GLOBALCLASS), + classname = CLASS_GetVersionedName( name, &basename_offset ); + classPtr = CLASS_RegisterClass( classname, basename_offset, instance, !(wc->style & CS_GLOBALCLASS), wc->style, wc->cbClsExtra, wc->cbWndExtra ); } else { - classPtr = CLASS_RegisterClass( (LPCWSTR)wc->lpszClassName, instance, + classPtr = CLASS_RegisterClass( (LPCWSTR)wc->lpszClassName, 0, instance, !(wc->style & CS_GLOBALCLASS), wc->style, wc->cbClsExtra, wc->cbWndExtra ); } @@ -672,6 +685,7 @@ ATOM WINAPI RegisterClassExA( const WNDCLASSEXA* wc ) ATOM WINAPI RegisterClassExW( const WNDCLASSEXW* wc ) { const WCHAR *classname; + UINT basename_offset; ATOM atom; CLASS *classPtr; HINSTANCE instance; @@ -686,8 +700,8 @@ ATOM WINAPI RegisterClassExW( const WNDCLASSEXW* wc ) } if (!(instance = wc->hInstance)) instance = GetModuleHandleW( NULL );
- classname = CLASS_GetVersionedName( wc->lpszClassName ); - if (!(classPtr = CLASS_RegisterClass( classname, instance, !(wc->style & CS_GLOBALCLASS), + classname = CLASS_GetVersionedName( wc->lpszClassName, &basename_offset ); + if (!(classPtr = CLASS_RegisterClass( classname, basename_offset, instance, !(wc->style & CS_GLOBALCLASS), wc->style, wc->cbClsExtra, wc->cbWndExtra ))) return 0;
@@ -739,7 +753,7 @@ BOOL WINAPI UnregisterClassW( LPCWSTR className, HINSTANCE hInstance )
GetDesktopWindow(); /* create the desktop window to trigger builtin class registration */
- className = CLASS_GetVersionedName( className ); + className = CLASS_GetVersionedName( className, NULL ); SERVER_START_REQ( destroy_class ) { req->instance = wine_server_client_ptr( hInstance ); @@ -1155,7 +1169,8 @@ INT WINAPI GetClassNameW( HWND hwnd, LPWSTR buffer, INT count ) } else { - lstrcpynW( buffer, class->name, count ); + /* Return original name class was registered with. */ + lstrcpynW( buffer, class->basename, count ); release_class_ptr( class ); ret = strlenW( buffer ); } diff --git a/dlls/user32/tests/class.c b/dlls/user32/tests/class.c index 13d7b9d..9ae306e 100644 --- a/dlls/user32/tests/class.c +++ b/dlls/user32/tests/class.c @@ -1250,7 +1250,6 @@ static void test_actctx_classes(void)
ret = GetClassNameA(hwnd, buff, sizeof(buff)); ok(ret, "Failed to get class name.\n"); -todo_wine ok(!strcmp(buff, testclass), "Unexpected class name.\n");
ret = GetClassInfoA(hinst, "4.3.2.1!MyTestClass", &wc); @@ -1270,7 +1269,6 @@ todo_wine
ret = GetClassNameA(hwnd, buff, sizeof(buff)); ok(ret, "Failed to get class name.\n"); -todo_wine ok(!strcmp(buff, testclass), "Unexpected class name.\n");
DestroyWindow(hwnd); diff --git a/dlls/user32/user_private.h b/dlls/user32/user_private.h index bf0e3c7..f1cc0a8 100644 --- a/dlls/user32/user_private.h +++ b/dlls/user32/user_private.h @@ -269,7 +269,7 @@ extern INT_PTR WINPROC_CallDlgProcW( DLGPROC func, HWND hwnd, UINT msg, WPARAM w extern BOOL WINPROC_call_window( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *result, BOOL unicode, enum wm_char_mapping mapping ) DECLSPEC_HIDDEN;
-extern const WCHAR *CLASS_GetVersionedName(const WCHAR *classname) DECLSPEC_HIDDEN; +extern const WCHAR *CLASS_GetVersionedName(const WCHAR *classname, UINT *basename_offset) DECLSPEC_HIDDEN;
/* message spy definitions */
diff --git a/dlls/user32/win.c b/dlls/user32/win.c index c3360f9..b13032b 100644 --- a/dlls/user32/win.c +++ b/dlls/user32/win.c @@ -1338,7 +1338,7 @@ HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module, CBT_CREATEWNDW cbtc; CREATESTRUCTW cbcs;
- className = CLASS_GetVersionedName(className); + className = CLASS_GetVersionedName(className, NULL);
TRACE("%s %s%s%s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n", unicode ? debugstr_w(cs->lpszName) : debugstr_a((LPCSTR)cs->lpszName),