1268 lines
38 KiB
C
1268 lines
38 KiB
C
/*
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* Window classes functions
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*
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* Copyright 1993, 1996, 2003 Alexandre Julliard
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* Copyright 1998 Juergen Schmied (jsch)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include "winerror.h"
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "wine/unicode.h"
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#include "win.h"
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#include "user_private.h"
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#include "controls.h"
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#include "wine/server.h"
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#include "wine/list.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(class);
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#define MAX_ATOM_LEN 255 /* from dlls/kernel32/atom.c */
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typedef struct tagCLASS
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{
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struct list entry; /* Entry in class list */
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UINT style; /* Class style */
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BOOL local; /* Local class? */
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WNDPROC winproc; /* Window procedure */
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INT cbClsExtra; /* Class extra bytes */
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INT cbWndExtra; /* Window extra bytes */
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LPWSTR menuName; /* Default menu name (Unicode followed by ASCII) */
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struct dce *dce; /* Opaque pointer to class DCE */
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HINSTANCE hInstance; /* Module that created the task */
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HICON hIcon; /* Default icon */
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HICON hIconSm; /* Default small icon */
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HCURSOR hCursor; /* Default cursor */
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HBRUSH hbrBackground; /* Default background */
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ATOM atomName; /* Name of the class */
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WCHAR name[MAX_ATOM_LEN + 1];
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} CLASS;
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static struct list class_list = LIST_INIT( class_list );
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#define CLASS_OTHER_PROCESS ((CLASS *)1)
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/***********************************************************************
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* get_class_ptr
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*/
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static CLASS *get_class_ptr( HWND hwnd, BOOL write_access )
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{
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WND *ptr = WIN_GetPtr( hwnd );
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if (ptr)
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{
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if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP) return ptr->class;
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if (!write_access) return CLASS_OTHER_PROCESS;
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/* modifying classes in other processes is not allowed */
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if (ptr == WND_DESKTOP || IsWindow( hwnd ))
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{
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SetLastError( ERROR_ACCESS_DENIED );
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return NULL;
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}
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}
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SetLastError( ERROR_INVALID_WINDOW_HANDLE );
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return NULL;
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}
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/***********************************************************************
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* release_class_ptr
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*/
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static inline void release_class_ptr( CLASS *ptr )
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{
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USER_Unlock();
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}
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/***********************************************************************
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* get_int_atom_value
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*/
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ATOM get_int_atom_value( LPCWSTR name )
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{
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UINT ret = 0;
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if (IS_INTRESOURCE(name)) return LOWORD(name);
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if (*name++ != '#') return 0;
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while (*name)
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{
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if (*name < '0' || *name > '9') return 0;
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ret = ret * 10 + *name++ - '0';
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if (ret > 0xffff) return 0;
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}
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return ret;
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}
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/***********************************************************************
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* set_server_info
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*
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* Set class info with the wine server.
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*/
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static BOOL set_server_info( HWND hwnd, INT offset, LONG_PTR newval, UINT size )
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{
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BOOL ret;
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SERVER_START_REQ( set_class_info )
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{
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req->window = wine_server_user_handle( hwnd );
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req->extra_offset = -1;
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switch(offset)
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{
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case GCW_ATOM:
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req->flags = SET_CLASS_ATOM;
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req->atom = newval;
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case GCL_STYLE:
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req->flags = SET_CLASS_STYLE;
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req->style = newval;
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break;
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case GCL_CBWNDEXTRA:
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req->flags = SET_CLASS_WINEXTRA;
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req->win_extra = newval;
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break;
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case GCLP_HMODULE:
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req->flags = SET_CLASS_INSTANCE;
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req->instance = wine_server_client_ptr( (void *)newval );
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break;
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default:
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assert( offset >= 0 );
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req->flags = SET_CLASS_EXTRA;
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req->extra_offset = offset;
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req->extra_size = size;
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if ( size == sizeof(LONG) )
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{
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LONG newlong = newval;
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memcpy( &req->extra_value, &newlong, sizeof(LONG) );
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}
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else
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memcpy( &req->extra_value, &newval, sizeof(LONG_PTR) );
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break;
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}
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ret = !wine_server_call_err( req );
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}
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SERVER_END_REQ;
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return ret;
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}
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/***********************************************************************
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* CLASS_GetMenuNameA
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*
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* Get the menu name as a ASCII string.
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*/
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static inline LPSTR CLASS_GetMenuNameA( CLASS *classPtr )
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{
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if (!HIWORD(classPtr->menuName)) return (LPSTR)classPtr->menuName;
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return (LPSTR)(classPtr->menuName + strlenW(classPtr->menuName) + 1);
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}
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/***********************************************************************
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* CLASS_GetMenuNameW
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*
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* Get the menu name as a Unicode string.
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*/
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static inline LPWSTR CLASS_GetMenuNameW( CLASS *classPtr )
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{
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return classPtr->menuName;
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}
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/***********************************************************************
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* CLASS_SetMenuNameA
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*
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* Set the menu name in a class structure by copying the string.
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*/
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static void CLASS_SetMenuNameA( CLASS *classPtr, LPCSTR name )
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{
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if (HIWORD(classPtr->menuName)) HeapFree( GetProcessHeap(), 0, classPtr->menuName );
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if (HIWORD(name))
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{
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DWORD lenA = strlen(name) + 1;
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DWORD lenW = MultiByteToWideChar( CP_ACP, 0, name, lenA, NULL, 0 );
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classPtr->menuName = HeapAlloc( GetProcessHeap(), 0, lenA + lenW*sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, name, lenA, classPtr->menuName, lenW );
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memcpy( classPtr->menuName + lenW, name, lenA );
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}
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else classPtr->menuName = (LPWSTR)name;
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}
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/***********************************************************************
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* CLASS_SetMenuNameW
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*
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* Set the menu name in a class structure by copying the string.
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*/
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static void CLASS_SetMenuNameW( CLASS *classPtr, LPCWSTR name )
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{
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if (HIWORD(classPtr->menuName)) HeapFree( GetProcessHeap(), 0, classPtr->menuName );
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if (HIWORD(name))
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{
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DWORD lenW = strlenW(name) + 1;
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DWORD lenA = WideCharToMultiByte( CP_ACP, 0, name, lenW, NULL, 0, NULL, NULL );
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classPtr->menuName = HeapAlloc( GetProcessHeap(), 0, lenA + lenW*sizeof(WCHAR) );
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memcpy( classPtr->menuName, name, lenW*sizeof(WCHAR) );
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WideCharToMultiByte( CP_ACP, 0, name, lenW,
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(char *)(classPtr->menuName + lenW), lenA, NULL, NULL );
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}
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else classPtr->menuName = (LPWSTR)name;
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}
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/***********************************************************************
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* CLASS_FreeClass
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*
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* Free a class structure.
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*/
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static void CLASS_FreeClass( CLASS *classPtr )
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{
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TRACE("%p\n", classPtr);
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USER_Lock();
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if (classPtr->dce) free_dce( classPtr->dce, 0 );
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list_remove( &classPtr->entry );
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if (classPtr->hbrBackground > (HBRUSH)(COLOR_GRADIENTINACTIVECAPTION + 1))
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DeleteObject( classPtr->hbrBackground );
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HeapFree( GetProcessHeap(), 0, classPtr->menuName );
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HeapFree( GetProcessHeap(), 0, classPtr );
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USER_Unlock();
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}
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/***********************************************************************
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* CLASS_FreeModuleClasses
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*/
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void CLASS_FreeModuleClasses( HMODULE16 hModule )
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{
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struct list *ptr, *next;
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TRACE("0x%08x\n", hModule);
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USER_Lock();
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for (ptr = list_head( &class_list ); ptr; ptr = next)
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{
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CLASS *class = LIST_ENTRY( ptr, CLASS, entry );
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next = list_next( &class_list, ptr );
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if (class->hInstance == HINSTANCE_32(hModule))
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{
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BOOL ret;
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SERVER_START_REQ( destroy_class )
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{
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req->atom = class->atomName;
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req->instance = wine_server_client_ptr( class->hInstance );
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ret = !wine_server_call_err( req );
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}
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SERVER_END_REQ;
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if (ret) CLASS_FreeClass( class );
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}
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}
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USER_Unlock();
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}
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/***********************************************************************
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* CLASS_FindClass
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*
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* Return a pointer to the class.
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* hinstance has been normalized by the caller.
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*/
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static CLASS *CLASS_FindClass( LPCWSTR name, HINSTANCE hinstance )
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{
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struct list *ptr;
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ATOM atom = get_int_atom_value( name );
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USER_Lock();
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LIST_FOR_EACH( ptr, &class_list )
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{
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CLASS *class = LIST_ENTRY( ptr, CLASS, entry );
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if (atom)
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{
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if (class->atomName != atom) continue;
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}
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else
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{
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if (!name || strcmpiW( class->name, name )) continue;
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}
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if (!hinstance || !class->local || class->hInstance == hinstance)
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{
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TRACE("%s %p -> %p\n", debugstr_w(name), hinstance, class);
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return class;
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}
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}
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USER_Unlock();
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TRACE("%s %p -> not found\n", debugstr_w(name), hinstance);
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return NULL;
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}
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/***********************************************************************
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* CLASS_RegisterClass
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*
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* The real RegisterClass() functionality.
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*/
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static CLASS *CLASS_RegisterClass( LPCWSTR name, HINSTANCE hInstance, BOOL local,
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DWORD style, INT classExtra, INT winExtra )
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{
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CLASS *classPtr;
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BOOL ret;
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TRACE("name=%s hinst=%p style=0x%x clExtr=0x%x winExtr=0x%x\n",
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debugstr_w(name), hInstance, style, classExtra, winExtra );
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/* Fix the extra bytes value */
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if (classExtra > 40) /* Extra bytes are limited to 40 in Win32 */
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WARN("Class extra bytes %d is > 40\n", classExtra);
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if (winExtra > 40) /* Extra bytes are limited to 40 in Win32 */
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WARN("Win extra bytes %d is > 40\n", winExtra );
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classPtr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CLASS) + classExtra );
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if (!classPtr) return NULL;
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classPtr->atomName = get_int_atom_value( name );
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if (!classPtr->atomName && name) strcpyW( classPtr->name, name );
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else GlobalGetAtomNameW( classPtr->atomName, classPtr->name, sizeof(classPtr->name)/sizeof(WCHAR) );
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SERVER_START_REQ( create_class )
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{
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req->local = local;
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req->style = style;
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req->instance = wine_server_client_ptr( hInstance );
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req->extra = classExtra;
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req->win_extra = winExtra;
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req->client_ptr = wine_server_client_ptr( classPtr );
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req->atom = classPtr->atomName;
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if (!req->atom && name) wine_server_add_data( req, name, strlenW(name) * sizeof(WCHAR) );
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ret = !wine_server_call_err( req );
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classPtr->atomName = reply->atom;
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}
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SERVER_END_REQ;
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if (!ret)
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{
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HeapFree( GetProcessHeap(), 0, classPtr );
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return NULL;
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}
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classPtr->style = style;
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classPtr->local = local;
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classPtr->cbWndExtra = winExtra;
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classPtr->cbClsExtra = classExtra;
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classPtr->hInstance = hInstance;
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/* Other non-null values must be set by caller */
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USER_Lock();
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if (local) list_add_head( &class_list, &classPtr->entry );
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else list_add_tail( &class_list, &classPtr->entry );
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return classPtr;
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}
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/***********************************************************************
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* register_builtin
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*
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* Register a builtin control class.
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* This allows having both ASCII and Unicode winprocs for the same class.
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*/
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static WNDPROC register_builtin( const struct builtin_class_descr *descr )
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{
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CLASS *classPtr;
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if (!(classPtr = CLASS_RegisterClass( descr->name, user32_module, FALSE,
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descr->style, 0, descr->extra ))) return 0;
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classPtr->hCursor = LoadCursorA( 0, (LPSTR)descr->cursor );
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classPtr->hbrBackground = descr->brush;
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classPtr->winproc = WINPROC_AllocProc( descr->procA, descr->procW );
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release_class_ptr( classPtr );
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return classPtr->winproc;
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}
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/***********************************************************************
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* CLASS_RegisterBuiltinClasses
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*/
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void CLASS_RegisterBuiltinClasses(void)
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{
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register_builtin( &DESKTOP_builtin_class );
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register_builtin( &BUTTON_builtin_class );
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register_builtin( &COMBO_builtin_class );
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register_builtin( &COMBOLBOX_builtin_class );
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register_builtin( &DIALOG_builtin_class );
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EDIT_winproc_handle = register_builtin( &EDIT_builtin_class );
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register_builtin( &ICONTITLE_builtin_class );
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register_builtin( &LISTBOX_builtin_class );
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register_builtin( &MDICLIENT_builtin_class );
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register_builtin( &MENU_builtin_class );
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register_builtin( &MESSAGE_builtin_class );
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register_builtin( &SCROLL_builtin_class );
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register_builtin( &STATIC_builtin_class );
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/* the DefWindowProc winprocs are magic too */
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WINPROC_AllocProc( DefWindowProcA, DefWindowProcW );
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}
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|
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/***********************************************************************
|
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* get_class_winproc
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*/
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WNDPROC get_class_winproc( CLASS *class )
|
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{
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return class->winproc;
|
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}
|
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|
|
|
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/***********************************************************************
|
|
* get_class_dce
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*/
|
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struct dce *get_class_dce( CLASS *class )
|
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{
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return class->dce;
|
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}
|
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|
|
|
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/***********************************************************************
|
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* set_class_dce
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*/
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struct dce *set_class_dce( CLASS *class, struct dce *dce )
|
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{
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if (class->dce) return class->dce; /* already set, don't change it */
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class->dce = dce;
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return dce;
|
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}
|
|
|
|
|
|
/***********************************************************************
|
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* RegisterClassA (USER32.@)
|
|
*
|
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* Register a window class.
|
|
*
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* RETURNS
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* >0: Unique identifier
|
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* 0: Failure
|
|
*/
|
|
ATOM WINAPI RegisterClassA( const WNDCLASSA* wc ) /* [in] Address of structure with class data */
|
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{
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WNDCLASSEXA wcex;
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|
|
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wcex.cbSize = sizeof(wcex);
|
|
wcex.style = wc->style;
|
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wcex.lpfnWndProc = wc->lpfnWndProc;
|
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wcex.cbClsExtra = wc->cbClsExtra;
|
|
wcex.cbWndExtra = wc->cbWndExtra;
|
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wcex.hInstance = wc->hInstance;
|
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wcex.hIcon = wc->hIcon;
|
|
wcex.hCursor = wc->hCursor;
|
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wcex.hbrBackground = wc->hbrBackground;
|
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wcex.lpszMenuName = wc->lpszMenuName;
|
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wcex.lpszClassName = wc->lpszClassName;
|
|
wcex.hIconSm = 0;
|
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return RegisterClassExA( &wcex );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RegisterClassW (USER32.@)
|
|
*
|
|
* See RegisterClassA.
|
|
*/
|
|
ATOM WINAPI RegisterClassW( const WNDCLASSW* wc )
|
|
{
|
|
WNDCLASSEXW wcex;
|
|
|
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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->cbClsExtra < 0 || wc->cbWndExtra < 0 ||
|
|
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 (!IS_INTRESOURCE(wc->lpszClassName))
|
|
{
|
|
WCHAR name[MAX_ATOM_LEN + 1];
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, wc->lpszClassName, -1, name, MAX_ATOM_LEN + 1 )) return 0;
|
|
classPtr = CLASS_RegisterClass( name, instance, !(wc->style & CS_GLOBALCLASS),
|
|
wc->style, wc->cbClsExtra, wc->cbWndExtra );
|
|
}
|
|
else
|
|
{
|
|
classPtr = CLASS_RegisterClass( (LPCWSTR)wc->lpszClassName, instance,
|
|
!(wc->style & CS_GLOBALCLASS), wc->style,
|
|
wc->cbClsExtra, wc->cbWndExtra );
|
|
}
|
|
if (!classPtr) return 0;
|
|
atom = classPtr->atomName;
|
|
|
|
TRACE("name=%s atom=%04x wndproc=%p hinst=%p bg=%p style=%08x clsExt=%d winExt=%d class=%p\n",
|
|
debugstr_a(wc->lpszClassName), 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->cbClsExtra < 0 || wc->cbWndExtra < 0 ||
|
|
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 (!(classPtr = CLASS_RegisterClass( wc->lpszClassName, instance, !(wc->style & CS_GLOBALCLASS),
|
|
wc->style, wc->cbClsExtra, wc->cbWndExtra )))
|
|
return 0;
|
|
|
|
atom = classPtr->atomName;
|
|
|
|
TRACE("name=%s atom=%04x wndproc=%p hinst=%p bg=%p style=%08x clsExt=%d winExt=%d class=%p\n",
|
|
debugstr_w(wc->lpszClassName), 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 )
|
|
{
|
|
if (!IS_INTRESOURCE(className))
|
|
{
|
|
WCHAR name[MAX_ATOM_LEN + 1];
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, className, -1, name, MAX_ATOM_LEN + 1 ))
|
|
return FALSE;
|
|
return UnregisterClassW( name, hInstance );
|
|
}
|
|
return UnregisterClassW( (LPCWSTR)className, hInstance );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* UnregisterClassW (USER32.@)
|
|
*/
|
|
BOOL WINAPI UnregisterClassW( LPCWSTR className, HINSTANCE hInstance )
|
|
{
|
|
CLASS *classPtr = NULL;
|
|
|
|
SERVER_START_REQ( destroy_class )
|
|
{
|
|
req->instance = wine_server_client_ptr( hInstance );
|
|
if (!(req->atom = get_int_atom_value(className)) && className)
|
|
wine_server_add_data( req, className, strlenW(className) * sizeof(WCHAR) );
|
|
if (!wine_server_call_err( req )) classPtr = wine_server_get_ptr( 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 );
|
|
|
|
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
|
|
|
|
if (class == CLASS_OTHER_PROCESS)
|
|
{
|
|
SERVER_START_REQ( set_class_info )
|
|
{
|
|
req->window = wine_server_user_handle( 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;
|
|
|
|
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
|
|
|
|
if (class == CLASS_OTHER_PROCESS)
|
|
{
|
|
SERVER_START_REQ( set_class_info )
|
|
{
|
|
req->window = wine_server_user_handle( 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)wine_server_get_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 );
|
|
|
|
if (!(class = get_class_ptr( hwnd, TRUE ))) return 0;
|
|
|
|
SERVER_START_REQ( set_class_info )
|
|
{
|
|
req->window = wine_server_user_handle( 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;
|
|
|
|
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;
|
|
GlobalGetAtomNameW( newval, class->name, sizeof(class->name)/sizeof(WCHAR) );
|
|
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 )
|
|
{
|
|
return CLASS_SetClassLong( hwnd, offset, newval, sizeof(LONG), TRUE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetClassLongA (USER32.@)
|
|
*/
|
|
DWORD WINAPI SetClassLongA( HWND hwnd, INT offset, LONG newval )
|
|
{
|
|
return CLASS_SetClassLong( hwnd, offset, newval, sizeof(LONG), FALSE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassNameA (USER32.@)
|
|
*/
|
|
INT WINAPI GetClassNameA( HWND hwnd, LPSTR buffer, INT count )
|
|
{
|
|
WCHAR tmpbuf[MAX_ATOM_LEN + 1];
|
|
DWORD len;
|
|
|
|
if (count <= 0) return 0;
|
|
if (!GetClassNameW( hwnd, tmpbuf, sizeof(tmpbuf)/sizeof(WCHAR) )) return 0;
|
|
RtlUnicodeToMultiByteN( buffer, count - 1, &len, tmpbuf, strlenW(tmpbuf) * sizeof(WCHAR) );
|
|
buffer[len] = 0;
|
|
return len;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassNameW (USER32.@)
|
|
*/
|
|
INT WINAPI GetClassNameW( HWND hwnd, LPWSTR buffer, INT count )
|
|
{
|
|
CLASS *class;
|
|
INT ret;
|
|
|
|
TRACE("%p %p %d\n", hwnd, buffer, count);
|
|
|
|
if (count <= 0) return 0;
|
|
|
|
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
|
|
|
|
if (class == CLASS_OTHER_PROCESS)
|
|
{
|
|
WCHAR tmpbuf[MAX_ATOM_LEN + 1];
|
|
|
|
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;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
lstrcpynW( buffer, class->name, count );
|
|
release_class_ptr( class );
|
|
ret = strlenW( buffer );
|
|
}
|
|
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;
|
|
CLASS *classPtr;
|
|
|
|
TRACE("%p %s %p\n", hInstance, debugstr_a(name), wc);
|
|
|
|
if (!hInstance) hInstance = user32_module;
|
|
|
|
if (!IS_INTRESOURCE(name))
|
|
{
|
|
WCHAR nameW[MAX_ATOM_LEN + 1];
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, nameW, sizeof(nameW)/sizeof(WCHAR) ))
|
|
return FALSE;
|
|
classPtr = CLASS_FindClass( nameW, hInstance );
|
|
}
|
|
else classPtr = CLASS_FindClass( (LPCWSTR)name, hInstance );
|
|
|
|
if (!classPtr)
|
|
{
|
|
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 = classPtr->hIcon;
|
|
wc->hIconSm = classPtr->hIconSm;
|
|
wc->hCursor = classPtr->hCursor;
|
|
wc->hbrBackground = classPtr->hbrBackground;
|
|
wc->lpszMenuName = CLASS_GetMenuNameA( classPtr );
|
|
wc->lpszClassName = name;
|
|
atom = classPtr->atomName;
|
|
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;
|
|
CLASS *classPtr;
|
|
|
|
TRACE("%p %s %p\n", hInstance, debugstr_w(name), wc);
|
|
|
|
if (!hInstance) hInstance = user32_module;
|
|
|
|
if (!(classPtr = CLASS_FindClass( name, 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;
|
|
atom = classPtr->atomName;
|
|
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 );
|
|
}
|