| /* |
| * Window classes functions |
| * |
| * Copyright 1993, 1996, 2003 Alexandre Julliard |
| * Copyright 1998 Juergen Schmied (jsch) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <assert.h> |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "winerror.h" |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wingdi.h" |
| #include "wine/unicode.h" |
| #include "win.h" |
| #include "user_private.h" |
| #include "controls.h" |
| #include "wine/server.h" |
| #include "wine/list.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(class); |
| |
| typedef struct tagCLASS |
| { |
| struct list entry; /* Entry in class list */ |
| UINT style; /* Class style */ |
| BOOL local; /* Local class? */ |
| WNDPROC winproc; /* Window procedure */ |
| INT cbClsExtra; /* Class extra bytes */ |
| INT cbWndExtra; /* Window extra bytes */ |
| LPWSTR menuName; /* Default menu name (Unicode followed by ASCII) */ |
| HINSTANCE hInstance; /* Module that created the task */ |
| HICON hIcon; /* Default icon */ |
| HICON hIconSm; /* Default small icon */ |
| HCURSOR hCursor; /* Default cursor */ |
| HBRUSH hbrBackground; /* Default background */ |
| ATOM atomName; /* Name of the class */ |
| } CLASS; |
| |
| static struct list class_list = LIST_INIT( class_list ); |
| |
| #define CLASS_OTHER_PROCESS ((CLASS *)1) |
| #define MAX_ATOM_LEN 255 /* from dlls/kernel32/atom.c */ |
| |
| /*********************************************************************** |
| * get_class_ptr |
| */ |
| static CLASS *get_class_ptr( HWND hwnd, BOOL write_access ) |
| { |
| WND *ptr = WIN_GetPtr( hwnd ); |
| |
| if (ptr) |
| { |
| if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP) return ptr->class; |
| if (!write_access) return CLASS_OTHER_PROCESS; |
| |
| /* modifying classes in other processes is not allowed */ |
| if (ptr == WND_DESKTOP || IsWindow( hwnd )) |
| { |
| SetLastError( ERROR_ACCESS_DENIED ); |
| return NULL; |
| } |
| } |
| SetLastError( ERROR_INVALID_WINDOW_HANDLE ); |
| return NULL; |
| } |
| |
| |
| /*********************************************************************** |
| * release_class_ptr |
| */ |
| static inline void release_class_ptr( CLASS *ptr ) |
| { |
| USER_Unlock(); |
| } |
| |
| |
| /*********************************************************************** |
| * set_server_info |
| * |
| * Set class info with the wine server. |
| */ |
| static BOOL set_server_info( HWND hwnd, INT offset, LONG_PTR newval, UINT size ) |
| { |
| BOOL ret; |
| |
| SERVER_START_REQ( set_class_info ) |
| { |
| req->window = hwnd; |
| req->extra_offset = -1; |
| switch(offset) |
| { |
| case GCW_ATOM: |
| req->flags = SET_CLASS_ATOM; |
| req->atom = newval; |
| case GCL_STYLE: |
| req->flags = SET_CLASS_STYLE; |
| req->style = newval; |
| break; |
| case GCL_CBWNDEXTRA: |
| req->flags = SET_CLASS_WINEXTRA; |
| req->win_extra = newval; |
| break; |
| case GCLP_HMODULE: |
| req->flags = SET_CLASS_INSTANCE; |
| req->instance = (void *)newval; |
| break; |
| default: |
| assert( offset >= 0 ); |
| req->flags = SET_CLASS_EXTRA; |
| req->extra_offset = offset; |
| req->extra_size = size; |
| if ( size == sizeof(LONG) ) |
| { |
| LONG newlong = newval; |
| memcpy( &req->extra_value, &newlong, sizeof(LONG) ); |
| } |
| else |
| memcpy( &req->extra_value, &newval, sizeof(LONG_PTR) ); |
| break; |
| } |
| ret = !wine_server_call_err( req ); |
| } |
| SERVER_END_REQ; |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_GetMenuNameA |
| * |
| * Get the menu name as a ASCII string. |
| */ |
| static inline LPSTR CLASS_GetMenuNameA( CLASS *classPtr ) |
| { |
| if (!HIWORD(classPtr->menuName)) return (LPSTR)classPtr->menuName; |
| return (LPSTR)(classPtr->menuName + strlenW(classPtr->menuName) + 1); |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_GetMenuNameW |
| * |
| * Get the menu name as a Unicode string. |
| */ |
| static inline LPWSTR CLASS_GetMenuNameW( CLASS *classPtr ) |
| { |
| return classPtr->menuName; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_SetMenuNameA |
| * |
| * Set the menu name in a class structure by copying the string. |
| */ |
| static void CLASS_SetMenuNameA( CLASS *classPtr, LPCSTR name ) |
| { |
| if (HIWORD(classPtr->menuName)) HeapFree( GetProcessHeap(), 0, classPtr->menuName ); |
| if (HIWORD(name)) |
| { |
| DWORD lenA = strlen(name) + 1; |
| DWORD lenW = MultiByteToWideChar( CP_ACP, 0, name, lenA, NULL, 0 ); |
| classPtr->menuName = HeapAlloc( GetProcessHeap(), 0, lenA + lenW*sizeof(WCHAR) ); |
| MultiByteToWideChar( CP_ACP, 0, name, lenA, classPtr->menuName, lenW ); |
| memcpy( classPtr->menuName + lenW, name, lenA ); |
| } |
| else classPtr->menuName = (LPWSTR)name; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_SetMenuNameW |
| * |
| * Set the menu name in a class structure by copying the string. |
| */ |
| static void CLASS_SetMenuNameW( CLASS *classPtr, LPCWSTR name ) |
| { |
| if (HIWORD(classPtr->menuName)) HeapFree( GetProcessHeap(), 0, classPtr->menuName ); |
| if (HIWORD(name)) |
| { |
| DWORD lenW = strlenW(name) + 1; |
| DWORD lenA = WideCharToMultiByte( CP_ACP, 0, name, lenW, NULL, 0, NULL, NULL ); |
| classPtr->menuName = HeapAlloc( GetProcessHeap(), 0, lenA + lenW*sizeof(WCHAR) ); |
| memcpy( classPtr->menuName, name, lenW*sizeof(WCHAR) ); |
| WideCharToMultiByte( CP_ACP, 0, name, lenW, |
| (char *)(classPtr->menuName + lenW), lenA, NULL, NULL ); |
| } |
| else classPtr->menuName = (LPWSTR)name; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_FreeClass |
| * |
| * Free a class structure. |
| */ |
| static void CLASS_FreeClass( CLASS *classPtr ) |
| { |
| TRACE("%p\n", classPtr); |
| |
| USER_Lock(); |
| |
| list_remove( &classPtr->entry ); |
| if (classPtr->hbrBackground > (HBRUSH)(COLOR_GRADIENTINACTIVECAPTION + 1)) |
| DeleteObject( classPtr->hbrBackground ); |
| HeapFree( GetProcessHeap(), 0, classPtr->menuName ); |
| HeapFree( GetProcessHeap(), 0, classPtr ); |
| USER_Unlock(); |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_FreeModuleClasses |
| */ |
| void CLASS_FreeModuleClasses( HMODULE16 hModule ) |
| { |
| struct list *ptr, *next; |
| |
| TRACE("0x%08x\n", hModule); |
| |
| USER_Lock(); |
| for (ptr = list_head( &class_list ); ptr; ptr = next) |
| { |
| CLASS *class = LIST_ENTRY( ptr, CLASS, entry ); |
| next = list_next( &class_list, ptr ); |
| if (class->hInstance == HINSTANCE_32(hModule)) |
| { |
| BOOL ret; |
| |
| SERVER_START_REQ( destroy_class ) |
| { |
| req->atom = class->atomName; |
| req->instance = class->hInstance; |
| ret = !wine_server_call_err( req ); |
| } |
| SERVER_END_REQ; |
| if (ret) CLASS_FreeClass( class ); |
| } |
| } |
| USER_Unlock(); |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_FindClassByAtom |
| * |
| * Return a pointer to the class. |
| * hinstance has been normalized by the caller. |
| */ |
| static CLASS *CLASS_FindClassByAtom( ATOM atom, HINSTANCE hinstance ) |
| { |
| struct list *ptr; |
| |
| USER_Lock(); |
| |
| LIST_FOR_EACH( ptr, &class_list ) |
| { |
| CLASS *class = LIST_ENTRY( ptr, CLASS, entry ); |
| if (class->atomName != atom) continue; |
| if (!hinstance || !class->local || class->hInstance == hinstance) |
| { |
| TRACE("0x%04x %p -> %p\n", atom, hinstance, class); |
| return class; |
| } |
| } |
| USER_Unlock(); |
| TRACE("0x%04x %p -> not found\n", atom, hinstance); |
| return NULL; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_RegisterClass |
| * |
| * The real RegisterClass() functionality. |
| * The atom is deleted no matter what. |
| */ |
| static CLASS *CLASS_RegisterClass( ATOM atom, HINSTANCE hInstance, BOOL local, |
| DWORD style, INT classExtra, INT winExtra ) |
| { |
| CLASS *classPtr; |
| BOOL ret; |
| |
| TRACE("atom=0x%x hinst=%p style=0x%x clExtr=0x%x winExtr=0x%x\n", |
| atom, hInstance, style, classExtra, winExtra ); |
| |
| /* Fix the extra bytes value */ |
| |
| if (classExtra < 0 || winExtra < 0) |
| { |
| SetLastError( ERROR_INVALID_PARAMETER ); |
| return NULL; |
| } |
| if (classExtra > 40) /* Extra bytes are limited to 40 in Win32 */ |
| WARN("Class extra bytes %d is > 40\n", classExtra); |
| if (winExtra > 40) /* Extra bytes are limited to 40 in Win32 */ |
| WARN("Win extra bytes %d is > 40\n", winExtra ); |
| |
| classPtr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CLASS) + classExtra ); |
| if (!classPtr) |
| { |
| GlobalDeleteAtom( atom ); |
| return NULL; |
| } |
| |
| SERVER_START_REQ( create_class ) |
| { |
| req->local = local; |
| req->atom = atom; |
| req->style = style; |
| req->instance = hInstance; |
| req->extra = classExtra; |
| req->win_extra = winExtra; |
| req->client_ptr = classPtr; |
| ret = !wine_server_call_err( req ); |
| } |
| SERVER_END_REQ; |
| GlobalDeleteAtom( atom ); /* the server increased the atom ref count */ |
| if (!ret) |
| { |
| HeapFree( GetProcessHeap(), 0, classPtr ); |
| return NULL; |
| } |
| |
| classPtr->style = style; |
| classPtr->local = local; |
| classPtr->cbWndExtra = winExtra; |
| classPtr->cbClsExtra = classExtra; |
| classPtr->hInstance = hInstance; |
| classPtr->atomName = atom; |
| |
| /* Other non-null values must be set by caller */ |
| |
| USER_Lock(); |
| if (local) list_add_head( &class_list, &classPtr->entry ); |
| else list_add_tail( &class_list, &classPtr->entry ); |
| return classPtr; |
| } |
| |
| |
| /*********************************************************************** |
| * register_builtin |
| * |
| * Register a builtin control class. |
| * This allows having both ASCII and Unicode winprocs for the same class. |
| */ |
| static CLASS *register_builtin( const struct builtin_class_descr *descr ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalAddAtomA( descr->name ))) return 0; |
| |
| if (!(classPtr = CLASS_RegisterClass( atom, user32_module, FALSE, |
| descr->style, 0, descr->extra ))) return 0; |
| |
| classPtr->hCursor = LoadCursorA( 0, (LPSTR)descr->cursor ); |
| classPtr->hbrBackground = descr->brush; |
| classPtr->winproc = WINPROC_AllocProc( descr->procA, descr->procW ); |
| release_class_ptr( classPtr ); |
| return classPtr; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_RegisterBuiltinClasses |
| */ |
| void CLASS_RegisterBuiltinClasses(void) |
| { |
| extern const struct builtin_class_descr BUTTON_builtin_class; |
| extern const struct builtin_class_descr COMBO_builtin_class; |
| extern const struct builtin_class_descr COMBOLBOX_builtin_class; |
| extern const struct builtin_class_descr DIALOG_builtin_class; |
| extern const struct builtin_class_descr DESKTOP_builtin_class; |
| extern const struct builtin_class_descr EDIT_builtin_class; |
| extern const struct builtin_class_descr ICONTITLE_builtin_class; |
| extern const struct builtin_class_descr LISTBOX_builtin_class; |
| extern const struct builtin_class_descr MDICLIENT_builtin_class; |
| extern const struct builtin_class_descr MENU_builtin_class; |
| extern const struct builtin_class_descr SCROLL_builtin_class; |
| extern const struct builtin_class_descr STATIC_builtin_class; |
| |
| register_builtin( &DESKTOP_builtin_class ); |
| register_builtin( &BUTTON_builtin_class ); |
| register_builtin( &COMBO_builtin_class ); |
| register_builtin( &COMBOLBOX_builtin_class ); |
| register_builtin( &DIALOG_builtin_class ); |
| register_builtin( &EDIT_builtin_class ); |
| register_builtin( &ICONTITLE_builtin_class ); |
| register_builtin( &LISTBOX_builtin_class ); |
| register_builtin( &MDICLIENT_builtin_class ); |
| register_builtin( &MENU_builtin_class ); |
| register_builtin( &SCROLL_builtin_class ); |
| register_builtin( &STATIC_builtin_class ); |
| |
| /* the DefWindowProc winprocs are magic too */ |
| WINPROC_AllocProc( DefWindowProcA, DefWindowProcW ); |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_AddWindow |
| * |
| * Add a new window using this class, and set the necessary |
| * information inside the window structure. |
| */ |
| void CLASS_AddWindow( CLASS *class, WND *win, BOOL unicode ) |
| { |
| win->class = class; |
| win->clsStyle = class->style; |
| win->winproc = class->winproc; |
| if (WINPROC_IsUnicode( win->winproc, unicode )) win->flags |= WIN_ISUNICODE; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClassA (USER32.@) |
| * |
| * Register a window class. |
| * |
| * RETURNS |
| * >0: Unique identifier |
| * 0: Failure |
| */ |
| ATOM WINAPI RegisterClassA( const WNDCLASSA* wc ) /* [in] Address of structure with class data */ |
| { |
| WNDCLASSEXA wcex; |
| |
| wcex.cbSize = sizeof(wcex); |
| wcex.style = wc->style; |
| wcex.lpfnWndProc = wc->lpfnWndProc; |
| wcex.cbClsExtra = wc->cbClsExtra; |
| wcex.cbWndExtra = wc->cbWndExtra; |
| wcex.hInstance = wc->hInstance; |
| wcex.hIcon = wc->hIcon; |
| wcex.hCursor = wc->hCursor; |
| wcex.hbrBackground = wc->hbrBackground; |
| wcex.lpszMenuName = wc->lpszMenuName; |
| wcex.lpszClassName = wc->lpszClassName; |
| wcex.hIconSm = 0; |
| return RegisterClassExA( &wcex ); |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClassW (USER32.@) |
| * |
| * See RegisterClassA. |
| */ |
| ATOM WINAPI RegisterClassW( const WNDCLASSW* wc ) |
| { |
| WNDCLASSEXW wcex; |
| |
| wcex.cbSize = sizeof(wcex); |
| wcex.style = wc->style; |
| wcex.lpfnWndProc = wc->lpfnWndProc; |
| wcex.cbClsExtra = wc->cbClsExtra; |
| wcex.cbWndExtra = wc->cbWndExtra; |
| wcex.hInstance = wc->hInstance; |
| wcex.hIcon = wc->hIcon; |
| wcex.hCursor = wc->hCursor; |
| wcex.hbrBackground = wc->hbrBackground; |
| wcex.lpszMenuName = wc->lpszMenuName; |
| wcex.lpszClassName = wc->lpszClassName; |
| wcex.hIconSm = 0; |
| return RegisterClassExW( &wcex ); |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClassExA (USER32.@) |
| */ |
| ATOM WINAPI RegisterClassExA( const WNDCLASSEXA* wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| HINSTANCE instance; |
| |
| if (wc->hInstance == user32_module) |
| { |
| /* we can't register a class for user32 */ |
| SetLastError( ERROR_INVALID_PARAMETER ); |
| return 0; |
| } |
| if (!(instance = wc->hInstance)) instance = GetModuleHandleW( NULL ); |
| |
| if (!(atom = GlobalAddAtomA( wc->lpszClassName ))) return 0; |
| |
| if (!(classPtr = CLASS_RegisterClass( atom, instance, !(wc->style & CS_GLOBALCLASS), |
| wc->style, wc->cbClsExtra, wc->cbWndExtra ))) |
| return 0; |
| |
| TRACE("atom=%04x wndproc=%p hinst=%p bg=%p style=%08x clsExt=%d winExt=%d class=%p\n", |
| atom, wc->lpfnWndProc, instance, wc->hbrBackground, |
| wc->style, wc->cbClsExtra, wc->cbWndExtra, classPtr ); |
| |
| classPtr->hIcon = wc->hIcon; |
| classPtr->hIconSm = wc->hIconSm; |
| classPtr->hCursor = wc->hCursor; |
| classPtr->hbrBackground = wc->hbrBackground; |
| classPtr->winproc = WINPROC_AllocProc( wc->lpfnWndProc, NULL ); |
| CLASS_SetMenuNameA( classPtr, wc->lpszMenuName ); |
| release_class_ptr( classPtr ); |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClassExW (USER32.@) |
| */ |
| ATOM WINAPI RegisterClassExW( const WNDCLASSEXW* wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| HINSTANCE instance; |
| |
| if (wc->hInstance == user32_module) |
| { |
| /* we can't register a class for user32 */ |
| SetLastError( ERROR_INVALID_PARAMETER ); |
| return 0; |
| } |
| if (!(instance = wc->hInstance)) instance = GetModuleHandleW( NULL ); |
| |
| if (!(atom = GlobalAddAtomW( wc->lpszClassName ))) return 0; |
| |
| if (!(classPtr = CLASS_RegisterClass( atom, instance, !(wc->style & CS_GLOBALCLASS), |
| wc->style, wc->cbClsExtra, wc->cbWndExtra ))) |
| return 0; |
| |
| TRACE("atom=%04x wndproc=%p hinst=%p bg=%p style=%08x clsExt=%d winExt=%d class=%p\n", |
| atom, wc->lpfnWndProc, instance, wc->hbrBackground, |
| wc->style, wc->cbClsExtra, wc->cbWndExtra, classPtr ); |
| |
| classPtr->hIcon = wc->hIcon; |
| classPtr->hIconSm = wc->hIconSm; |
| classPtr->hCursor = wc->hCursor; |
| classPtr->hbrBackground = wc->hbrBackground; |
| classPtr->winproc = WINPROC_AllocProc( NULL, wc->lpfnWndProc ); |
| CLASS_SetMenuNameW( classPtr, wc->lpszMenuName ); |
| release_class_ptr( classPtr ); |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * UnregisterClassA (USER32.@) |
| */ |
| BOOL WINAPI UnregisterClassA( LPCSTR className, HINSTANCE hInstance ) |
| { |
| ATOM atom = HIWORD(className) ? GlobalFindAtomA( className ) : LOWORD(className); |
| return UnregisterClassW( (LPCWSTR)MAKEINTATOM(atom), hInstance ); |
| } |
| |
| /*********************************************************************** |
| * UnregisterClassW (USER32.@) |
| */ |
| BOOL WINAPI UnregisterClassW( LPCWSTR className, HINSTANCE hInstance ) |
| { |
| CLASS *classPtr = NULL; |
| ATOM atom = HIWORD(className) ? GlobalFindAtomW( className ) : LOWORD(className); |
| |
| TRACE("%s %p %x\n",debugstr_w(className), hInstance, atom); |
| |
| if (!atom) |
| { |
| SetLastError( ERROR_CLASS_DOES_NOT_EXIST ); |
| return FALSE; |
| } |
| |
| SERVER_START_REQ( destroy_class ) |
| { |
| req->atom = atom; |
| req->instance = hInstance; |
| if (!wine_server_call_err( req )) classPtr = reply->client_ptr; |
| } |
| SERVER_END_REQ; |
| |
| if (classPtr) CLASS_FreeClass( classPtr ); |
| return (classPtr != NULL); |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassWord (USER32.@) |
| */ |
| WORD WINAPI GetClassWord( HWND hwnd, INT offset ) |
| { |
| CLASS *class; |
| WORD retvalue = 0; |
| |
| if (offset < 0) return GetClassLongA( hwnd, offset ); |
| |
| TRACE("%p %x\n",hwnd, offset); |
| |
| if (!(class = get_class_ptr( hwnd, FALSE ))) return 0; |
| |
| if (class == CLASS_OTHER_PROCESS) |
| { |
| SERVER_START_REQ( set_class_info ) |
| { |
| req->window = hwnd; |
| req->flags = 0; |
| req->extra_offset = offset; |
| req->extra_size = sizeof(retvalue); |
| if (!wine_server_call_err( req )) |
| memcpy( &retvalue, &reply->old_extra_value, sizeof(retvalue) ); |
| } |
| SERVER_END_REQ; |
| return retvalue; |
| } |
| |
| if (offset <= class->cbClsExtra - sizeof(WORD)) |
| memcpy( &retvalue, (char *)(class + 1) + offset, sizeof(retvalue) ); |
| else |
| SetLastError( ERROR_INVALID_INDEX ); |
| release_class_ptr( class ); |
| return retvalue; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_GetClassLong |
| * |
| * Implementation of GetClassLong(Ptr)A/W |
| */ |
| static ULONG_PTR CLASS_GetClassLong( HWND hwnd, INT offset, UINT size, |
| BOOL unicode ) |
| { |
| CLASS *class; |
| ULONG_PTR retvalue = 0; |
| |
| TRACE("%p %d\n", hwnd, offset); |
| |
| if (!(class = get_class_ptr( hwnd, FALSE ))) return 0; |
| |
| if (class == CLASS_OTHER_PROCESS) |
| { |
| SERVER_START_REQ( set_class_info ) |
| { |
| req->window = hwnd; |
| req->flags = 0; |
| req->extra_offset = (offset >= 0) ? offset : -1; |
| req->extra_size = (offset >= 0) ? size : 0; |
| if (!wine_server_call_err( req )) |
| { |
| switch(offset) |
| { |
| case GCLP_HBRBACKGROUND: |
| case GCLP_HCURSOR: |
| case GCLP_HICON: |
| case GCLP_HICONSM: |
| case GCLP_WNDPROC: |
| case GCLP_MENUNAME: |
| FIXME( "offset %d (%s) not supported on other process window %p\n", |
| offset, SPY_GetClassLongOffsetName(offset), hwnd ); |
| SetLastError( ERROR_INVALID_HANDLE ); |
| break; |
| case GCL_STYLE: |
| retvalue = reply->old_style; |
| break; |
| case GCL_CBWNDEXTRA: |
| retvalue = reply->old_win_extra; |
| break; |
| case GCL_CBCLSEXTRA: |
| retvalue = reply->old_extra; |
| break; |
| case GCLP_HMODULE: |
| retvalue = (ULONG_PTR)reply->old_instance; |
| break; |
| case GCW_ATOM: |
| retvalue = reply->old_atom; |
| break; |
| default: |
| if (offset >= 0) |
| { |
| if (size == sizeof(DWORD)) |
| { |
| DWORD retdword; |
| memcpy( &retdword, &reply->old_extra_value, sizeof(DWORD) ); |
| retvalue = retdword; |
| } |
| else |
| memcpy( &retvalue, &reply->old_extra_value, |
| sizeof(ULONG_PTR) ); |
| } |
| else SetLastError( ERROR_INVALID_INDEX ); |
| break; |
| } |
| } |
| } |
| SERVER_END_REQ; |
| return retvalue; |
| } |
| |
| if (offset >= 0) |
| { |
| if (offset <= class->cbClsExtra - size) |
| { |
| if (size == sizeof(DWORD)) |
| { |
| DWORD retdword; |
| memcpy( &retdword, (char *)(class + 1) + offset, sizeof(DWORD) ); |
| retvalue = retdword; |
| } |
| else |
| memcpy( &retvalue, (char *)(class + 1) + offset, sizeof(ULONG_PTR) ); |
| } |
| else |
| SetLastError( ERROR_INVALID_INDEX ); |
| release_class_ptr( class ); |
| return retvalue; |
| } |
| |
| switch(offset) |
| { |
| case GCLP_HBRBACKGROUND: |
| retvalue = (ULONG_PTR)class->hbrBackground; |
| break; |
| case GCLP_HCURSOR: |
| retvalue = (ULONG_PTR)class->hCursor; |
| break; |
| case GCLP_HICON: |
| retvalue = (ULONG_PTR)class->hIcon; |
| break; |
| case GCLP_HICONSM: |
| retvalue = (ULONG_PTR)class->hIconSm; |
| break; |
| case GCL_STYLE: |
| retvalue = class->style; |
| break; |
| case GCL_CBWNDEXTRA: |
| retvalue = class->cbWndExtra; |
| break; |
| case GCL_CBCLSEXTRA: |
| retvalue = class->cbClsExtra; |
| break; |
| case GCLP_HMODULE: |
| retvalue = (ULONG_PTR)class->hInstance; |
| break; |
| case GCLP_WNDPROC: |
| retvalue = (ULONG_PTR)WINPROC_GetProc( class->winproc, unicode ); |
| break; |
| case GCLP_MENUNAME: |
| retvalue = (ULONG_PTR)CLASS_GetMenuNameW( class ); |
| if (unicode) |
| retvalue = (ULONG_PTR)CLASS_GetMenuNameW( class ); |
| else |
| retvalue = (ULONG_PTR)CLASS_GetMenuNameA( class ); |
| break; |
| case GCW_ATOM: |
| retvalue = class->atomName; |
| break; |
| default: |
| SetLastError( ERROR_INVALID_INDEX ); |
| break; |
| } |
| release_class_ptr( class ); |
| return retvalue; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassLongW (USER32.@) |
| */ |
| DWORD WINAPI GetClassLongW( HWND hwnd, INT offset ) |
| { |
| return CLASS_GetClassLong( hwnd, offset, sizeof(DWORD), TRUE ); |
| } |
| |
| |
| |
| /*********************************************************************** |
| * GetClassLongA (USER32.@) |
| */ |
| DWORD WINAPI GetClassLongA( HWND hwnd, INT offset ) |
| { |
| return CLASS_GetClassLong( hwnd, offset, sizeof(DWORD), FALSE ); |
| } |
| |
| |
| /*********************************************************************** |
| * SetClassWord (USER32.@) |
| */ |
| WORD WINAPI SetClassWord( HWND hwnd, INT offset, WORD newval ) |
| { |
| CLASS *class; |
| WORD retval = 0; |
| |
| if (offset < 0) return SetClassLongA( hwnd, offset, (DWORD)newval ); |
| |
| TRACE("%p %d %x\n", hwnd, offset, newval); |
| |
| if (!(class = get_class_ptr( hwnd, TRUE ))) return 0; |
| |
| SERVER_START_REQ( set_class_info ) |
| { |
| req->window = hwnd; |
| req->flags = SET_CLASS_EXTRA; |
| req->extra_offset = offset; |
| req->extra_size = sizeof(newval); |
| memcpy( &req->extra_value, &newval, sizeof(newval) ); |
| if (!wine_server_call_err( req )) |
| { |
| void *ptr = (char *)(class + 1) + offset; |
| memcpy( &retval, ptr, sizeof(retval) ); |
| memcpy( ptr, &newval, sizeof(newval) ); |
| } |
| } |
| SERVER_END_REQ; |
| release_class_ptr( class ); |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_SetClassLong |
| * |
| * Implementation of SetClassLong(Ptr)A/W |
| */ |
| static ULONG_PTR CLASS_SetClassLong( HWND hwnd, INT offset, LONG_PTR newval, |
| UINT size, BOOL unicode ) |
| { |
| CLASS *class; |
| ULONG_PTR retval = 0; |
| |
| TRACE("%p %d %lx\n", hwnd, offset, newval); |
| |
| if (!(class = get_class_ptr( hwnd, TRUE ))) return 0; |
| |
| if (offset >= 0) |
| { |
| if (set_server_info( hwnd, offset, newval, size )) |
| { |
| void *ptr = (char *)(class + 1) + offset; |
| if ( size == sizeof(LONG) ) |
| { |
| DWORD retdword; |
| LONG newlong = newval; |
| memcpy( &retdword, ptr, sizeof(DWORD) ); |
| memcpy( ptr, &newlong, sizeof(LONG) ); |
| retval = retdword; |
| } |
| else |
| { |
| memcpy( &retval, ptr, sizeof(ULONG_PTR) ); |
| memcpy( ptr, &newval, sizeof(LONG_PTR) ); |
| } |
| } |
| } |
| else switch(offset) |
| { |
| case GCLP_MENUNAME: |
| if ( unicode ) |
| CLASS_SetMenuNameW( class, (LPCWSTR)newval ); |
| else |
| CLASS_SetMenuNameA( class, (LPCSTR)newval ); |
| retval = 0; /* Old value is now meaningless anyway */ |
| break; |
| case GCLP_WNDPROC: |
| retval = (ULONG_PTR)WINPROC_GetProc( class->winproc, unicode ); |
| class->winproc = WINPROC_AllocProc( unicode ? NULL : (WNDPROC)newval, |
| unicode ? (WNDPROC)newval : NULL ); |
| break; |
| case GCLP_HBRBACKGROUND: |
| retval = (ULONG_PTR)class->hbrBackground; |
| class->hbrBackground = (HBRUSH)newval; |
| break; |
| case GCLP_HCURSOR: |
| retval = (ULONG_PTR)class->hCursor; |
| class->hCursor = (HCURSOR)newval; |
| break; |
| case GCLP_HICON: |
| retval = (ULONG_PTR)class->hIcon; |
| class->hIcon = (HICON)newval; |
| break; |
| case GCLP_HICONSM: |
| retval = (ULONG_PTR)class->hIconSm; |
| class->hIconSm = (HICON)newval; |
| break; |
| case GCL_STYLE: |
| if (!set_server_info( hwnd, offset, newval, size )) break; |
| retval = class->style; |
| class->style = newval; |
| break; |
| case GCL_CBWNDEXTRA: |
| if (!set_server_info( hwnd, offset, newval, size )) break; |
| retval = class->cbWndExtra; |
| class->cbWndExtra = newval; |
| break; |
| case GCLP_HMODULE: |
| if (!set_server_info( hwnd, offset, newval, size )) break; |
| retval = (ULONG_PTR)class->hInstance; |
| class->hInstance = (HINSTANCE)newval; |
| break; |
| case GCW_ATOM: |
| if (!set_server_info( hwnd, offset, newval, size )) break; |
| retval = class->atomName; |
| class->atomName = newval; |
| break; |
| case GCL_CBCLSEXTRA: /* cannot change this one */ |
| SetLastError( ERROR_INVALID_PARAMETER ); |
| break; |
| default: |
| SetLastError( ERROR_INVALID_INDEX ); |
| break; |
| } |
| release_class_ptr( class ); |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * SetClassLongW (USER32.@) |
| */ |
| DWORD WINAPI SetClassLongW( HWND hwnd, INT offset, LONG newval ) |
| { |
| TRACE("%p %d %x\n", hwnd, offset, newval); |
| |
| return CLASS_SetClassLong( hwnd, offset, newval, sizeof(LONG), TRUE ); |
| } |
| |
| |
| /*********************************************************************** |
| * SetClassLongA (USER32.@) |
| */ |
| DWORD WINAPI SetClassLongA( HWND hwnd, INT offset, LONG newval ) |
| { |
| TRACE("%p %d %x\n", hwnd, offset, newval); |
| |
| return CLASS_SetClassLong( hwnd, offset, newval, sizeof(LONG), FALSE ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassNameA (USER32.@) |
| */ |
| INT WINAPI GetClassNameA( HWND hwnd, LPSTR buffer, INT count ) |
| { |
| char tmpbuf[MAX_ATOM_LEN + 1]; |
| INT ret; |
| |
| TRACE("%p %p %d\n", hwnd, buffer, count); |
| |
| if (count <= 0) return 0; |
| |
| ret = GlobalGetAtomNameA( GetClassLongW( hwnd, GCW_ATOM ), tmpbuf, MAX_ATOM_LEN + 1 ); |
| if (ret) |
| { |
| ret = min(count - 1, ret); |
| memcpy(buffer, tmpbuf, ret); |
| buffer[ret] = 0; |
| } |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassNameW (USER32.@) |
| */ |
| INT WINAPI GetClassNameW( HWND hwnd, LPWSTR buffer, INT count ) |
| { |
| WCHAR tmpbuf[MAX_ATOM_LEN + 1]; |
| INT ret; |
| |
| TRACE("%p %p %d\n", hwnd, buffer, count); |
| |
| if (count <= 0) return 0; |
| |
| ret = GlobalGetAtomNameW( GetClassLongW( hwnd, GCW_ATOM ), tmpbuf, MAX_ATOM_LEN + 1 ); |
| if (ret) |
| { |
| ret = min(count - 1, ret); |
| memcpy(buffer, tmpbuf, ret * sizeof(WCHAR)); |
| buffer[ret] = 0; |
| } |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * RealGetWindowClassA (USER32.@) |
| */ |
| UINT WINAPI RealGetWindowClassA( HWND hwnd, LPSTR buffer, UINT count ) |
| { |
| return GetClassNameA( hwnd, buffer, count ); |
| } |
| |
| |
| /*********************************************************************** |
| * RealGetWindowClassW (USER32.@) |
| */ |
| UINT WINAPI RealGetWindowClassW( HWND hwnd, LPWSTR buffer, UINT count ) |
| { |
| return GetClassNameW( hwnd, buffer, count ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfoA (USER32.@) |
| */ |
| BOOL WINAPI GetClassInfoA( HINSTANCE hInstance, LPCSTR name, WNDCLASSA *wc ) |
| { |
| WNDCLASSEXA wcex; |
| UINT ret = GetClassInfoExA( hInstance, name, &wcex ); |
| |
| if (ret) |
| { |
| wc->style = wcex.style; |
| wc->lpfnWndProc = wcex.lpfnWndProc; |
| wc->cbClsExtra = wcex.cbClsExtra; |
| wc->cbWndExtra = wcex.cbWndExtra; |
| wc->hInstance = wcex.hInstance; |
| wc->hIcon = wcex.hIcon; |
| wc->hCursor = wcex.hCursor; |
| wc->hbrBackground = wcex.hbrBackground; |
| wc->lpszMenuName = wcex.lpszMenuName; |
| wc->lpszClassName = wcex.lpszClassName; |
| } |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfoW (USER32.@) |
| */ |
| BOOL WINAPI GetClassInfoW( HINSTANCE hInstance, LPCWSTR name, WNDCLASSW *wc ) |
| { |
| WNDCLASSEXW wcex; |
| UINT ret = GetClassInfoExW( hInstance, name, &wcex ); |
| |
| if (ret) |
| { |
| wc->style = wcex.style; |
| wc->lpfnWndProc = wcex.lpfnWndProc; |
| wc->cbClsExtra = wcex.cbClsExtra; |
| wc->cbWndExtra = wcex.cbWndExtra; |
| wc->hInstance = wcex.hInstance; |
| wc->hIcon = wcex.hIcon; |
| wc->hCursor = wcex.hCursor; |
| wc->hbrBackground = wcex.hbrBackground; |
| wc->lpszMenuName = wcex.lpszMenuName; |
| wc->lpszClassName = wcex.lpszClassName; |
| } |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfoExA (USER32.@) |
| */ |
| BOOL WINAPI GetClassInfoExA( HINSTANCE hInstance, LPCSTR name, WNDCLASSEXA *wc ) |
| { |
| ATOM atom = HIWORD(name) ? GlobalFindAtomA( name ) : LOWORD(name); |
| CLASS *classPtr; |
| |
| TRACE("%p %s %x %p\n", hInstance, debugstr_a(name), atom, wc); |
| |
| if (!hInstance) hInstance = user32_module; |
| |
| if (!atom || !(classPtr = CLASS_FindClassByAtom( atom, hInstance ))) |
| { |
| SetLastError( ERROR_CLASS_DOES_NOT_EXIST ); |
| return FALSE; |
| } |
| wc->style = classPtr->style; |
| wc->lpfnWndProc = WINPROC_GetProc( classPtr->winproc, FALSE ); |
| wc->cbClsExtra = classPtr->cbClsExtra; |
| wc->cbWndExtra = classPtr->cbWndExtra; |
| wc->hInstance = (hInstance == user32_module) ? 0 : hInstance; |
| wc->hIcon = (HICON)classPtr->hIcon; |
| wc->hIconSm = (HICON)classPtr->hIconSm; |
| wc->hCursor = (HCURSOR)classPtr->hCursor; |
| wc->hbrBackground = (HBRUSH)classPtr->hbrBackground; |
| wc->lpszMenuName = CLASS_GetMenuNameA( classPtr ); |
| wc->lpszClassName = name; |
| release_class_ptr( classPtr ); |
| |
| /* We must return the atom of the class here instead of just TRUE. */ |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfoExW (USER32.@) |
| */ |
| BOOL WINAPI GetClassInfoExW( HINSTANCE hInstance, LPCWSTR name, WNDCLASSEXW *wc ) |
| { |
| ATOM atom = HIWORD(name) ? GlobalFindAtomW( name ) : LOWORD(name); |
| CLASS *classPtr; |
| |
| TRACE("%p %s %x %p\n", hInstance, debugstr_w(name), atom, wc); |
| |
| if (!hInstance) hInstance = user32_module; |
| |
| if (!atom || !(classPtr = CLASS_FindClassByAtom( atom, hInstance ))) |
| { |
| SetLastError( ERROR_CLASS_DOES_NOT_EXIST ); |
| return FALSE; |
| } |
| wc->style = classPtr->style; |
| wc->lpfnWndProc = WINPROC_GetProc( classPtr->winproc, TRUE ); |
| wc->cbClsExtra = classPtr->cbClsExtra; |
| wc->cbWndExtra = classPtr->cbWndExtra; |
| wc->hInstance = (hInstance == user32_module) ? 0 : hInstance; |
| wc->hIcon = (HICON)classPtr->hIcon; |
| wc->hIconSm = (HICON)classPtr->hIconSm; |
| wc->hCursor = (HCURSOR)classPtr->hCursor; |
| wc->hbrBackground = (HBRUSH)classPtr->hbrBackground; |
| wc->lpszMenuName = CLASS_GetMenuNameW( classPtr ); |
| wc->lpszClassName = name; |
| release_class_ptr( classPtr ); |
| |
| /* We must return the atom of the class here instead of just TRUE. */ |
| return atom; |
| } |
| |
| |
| #if 0 /* toolhelp is in kernel, so this cannot work */ |
| |
| /*********************************************************************** |
| * ClassFirst (TOOLHELP.69) |
| */ |
| BOOL16 WINAPI ClassFirst16( CLASSENTRY *pClassEntry ) |
| { |
| TRACE("%p\n",pClassEntry); |
| pClassEntry->wNext = 1; |
| return ClassNext16( pClassEntry ); |
| } |
| |
| |
| /*********************************************************************** |
| * ClassNext (TOOLHELP.70) |
| */ |
| BOOL16 WINAPI ClassNext16( CLASSENTRY *pClassEntry ) |
| { |
| int i; |
| CLASS *class = firstClass; |
| |
| TRACE("%p\n",pClassEntry); |
| |
| if (!pClassEntry->wNext) return FALSE; |
| for (i = 1; (i < pClassEntry->wNext) && class; i++) class = class->next; |
| if (!class) |
| { |
| pClassEntry->wNext = 0; |
| return FALSE; |
| } |
| pClassEntry->hInst = class->hInstance; |
| pClassEntry->wNext++; |
| GlobalGetAtomNameA( class->atomName, pClassEntry->szClassName, |
| sizeof(pClassEntry->szClassName) ); |
| return TRUE; |
| } |
| #endif |
| |
| /* 64bit versions */ |
| |
| #ifdef GetClassLongPtrA |
| #undef GetClassLongPtrA |
| #endif |
| |
| #ifdef GetClassLongPtrW |
| #undef GetClassLongPtrW |
| #endif |
| |
| #ifdef SetClassLongPtrA |
| #undef SetClassLongPtrA |
| #endif |
| |
| #ifdef SetClassLongPtrW |
| #undef SetClassLongPtrW |
| #endif |
| |
| /*********************************************************************** |
| * GetClassLongPtrA (USER32.@) |
| */ |
| ULONG_PTR WINAPI GetClassLongPtrA( HWND hwnd, INT offset ) |
| { |
| return CLASS_GetClassLong( hwnd, offset, sizeof(ULONG_PTR), FALSE ); |
| } |
| |
| /*********************************************************************** |
| * GetClassLongPtrW (USER32.@) |
| */ |
| ULONG_PTR WINAPI GetClassLongPtrW( HWND hwnd, INT offset ) |
| { |
| return CLASS_GetClassLong( hwnd, offset, sizeof(ULONG_PTR), TRUE ); |
| } |
| |
| /*********************************************************************** |
| * SetClassLongPtrW (USER32.@) |
| */ |
| ULONG_PTR WINAPI SetClassLongPtrW( HWND hwnd, INT offset, LONG_PTR newval ) |
| { |
| return CLASS_SetClassLong( hwnd, offset, newval, sizeof(LONG_PTR), TRUE ); |
| } |
| |
| /*********************************************************************** |
| * SetClassLongPtrA (USER32.@) |
| */ |
| ULONG_PTR WINAPI SetClassLongPtrA( HWND hwnd, INT offset, LONG_PTR newval ) |
| { |
| return CLASS_SetClassLong( hwnd, offset, newval, sizeof(LONG_PTR), FALSE ); |
| } |
