2 * USER initialization code
4 * Copyright 2000 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #include "user_private.h"
32 #include "wine/unicode.h"
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(graphics);
37 #define DESKTOP_ALL_ACCESS 0x01ff
39 WORD USER_HeapSel = 0; /* USER heap selector */
40 HMODULE user32_module = 0;
42 static SYSLEVEL USER_SysLevel;
43 static CRITICAL_SECTION_DEBUG critsect_debug =
45 0, 0, &USER_SysLevel.crst,
46 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
47 0, 0, { (DWORD_PTR)(__FILE__ ": USER_SysLevel") }
49 static SYSLEVEL USER_SysLevel = { { &critsect_debug, -1, 0, 0, 0, 0 }, 2 };
51 static HPALETTE (WINAPI *pfnGDISelectPalette)( HDC hdc, HPALETTE hpal, WORD bkgnd );
52 static UINT (WINAPI *pfnGDIRealizePalette)( HDC hdc );
53 static HPALETTE hPrimaryPalette;
55 static DWORD exiting_thread_id;
57 extern void WDML_NotifyThreadDetach(void);
60 /***********************************************************************
65 _EnterSysLevel( &USER_SysLevel );
69 /***********************************************************************
72 void USER_Unlock(void)
74 _LeaveSysLevel( &USER_SysLevel );
78 /***********************************************************************
81 * Make sure that we don't hold the user lock.
83 void USER_CheckNotLock(void)
85 _CheckNotSysLevel( &USER_SysLevel );
89 /***********************************************************************
90 * UserSelectPalette (Not a Windows API)
92 static HPALETTE WINAPI UserSelectPalette( HDC hDC, HPALETTE hPal, BOOL bForceBackground )
96 if (!bForceBackground && (hPal != GetStockObject(DEFAULT_PALETTE)))
98 HWND hwnd = WindowFromDC( hDC );
101 HWND hForeground = GetForegroundWindow();
102 /* set primary palette if it's related to current active */
103 if (hForeground == hwnd || IsChild(hForeground,hwnd))
106 hPrimaryPalette = hPal;
110 return pfnGDISelectPalette( hDC, hPal, wBkgPalette);
114 /***********************************************************************
115 * UserRealizePalette (USER32.@)
117 UINT WINAPI UserRealizePalette( HDC hDC )
119 UINT realized = pfnGDIRealizePalette( hDC );
121 /* do not send anything if no colors were changed */
122 if (realized && GetCurrentObject( hDC, OBJ_PAL ) == hPrimaryPalette)
124 /* send palette change notification */
125 HWND hWnd = WindowFromDC( hDC );
126 if (hWnd) SendMessageTimeoutW( HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)hWnd, 0,
127 SMTO_ABORTIFHUNG, 2000, NULL );
133 /***********************************************************************
136 * Patch the function pointers in GDI for SelectPalette and RealizePalette
138 static void palette_init(void)
141 HMODULE module = GetModuleHandleA( "gdi32" );
144 ERR( "cannot get GDI32 handle\n" );
147 if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
148 pfnGDISelectPalette = InterlockedExchangePointer( ptr, UserSelectPalette );
149 else ERR( "cannot find pfnSelectPalette in GDI32\n" );
150 if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
151 pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
152 else ERR( "cannot find pfnRealizePalette in GDI32\n" );
156 /***********************************************************************
157 * get_default_desktop
159 * Get the name of the desktop to use for this app if not specified explicitly.
161 static const WCHAR *get_default_desktop(void)
163 static const WCHAR defaultW[] = {'D','e','f','a','u','l','t',0};
164 static const WCHAR desktopW[] = {'D','e','s','k','t','o','p',0};
165 static const WCHAR explorerW[] = {'\\','E','x','p','l','o','r','e','r',0};
166 static const WCHAR app_defaultsW[] = {'S','o','f','t','w','a','r','e','\\',
167 'W','i','n','e','\\',
168 'A','p','p','D','e','f','a','u','l','t','s',0};
169 static WCHAR buffer[MAX_PATH + sizeof(explorerW)/sizeof(WCHAR)];
170 WCHAR *p, *appname = buffer;
171 const WCHAR *ret = defaultW;
175 len = (GetModuleFileNameW( 0, buffer, MAX_PATH ));
176 if (!len || len >= MAX_PATH) return ret;
177 if ((p = strrchrW( appname, '/' ))) appname = p + 1;
178 if ((p = strrchrW( appname, '\\' ))) appname = p + 1;
179 p = appname + strlenW(appname);
180 strcpyW( p, explorerW );
182 /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Explorer */
183 if (!RegOpenKeyW( HKEY_CURRENT_USER, app_defaultsW, &tmpkey ))
185 if (RegOpenKeyW( tmpkey, appname, &appkey )) appkey = 0;
186 RegCloseKey( tmpkey );
189 len = sizeof(buffer);
190 if (!RegQueryValueExW( appkey, desktopW, 0, NULL, (LPBYTE)buffer, &len )) ret = buffer;
191 RegCloseKey( appkey );
192 if (ret && strcmpiW( ret, defaultW )) return ret;
197 memcpy( buffer, app_defaultsW, 13 * sizeof(WCHAR) ); /* copy only software\\wine */
198 strcpyW( buffer + 13, explorerW );
200 /* @@ Wine registry key: HKCU\Software\Wine\Explorer */
201 if (!RegOpenKeyW( HKEY_CURRENT_USER, buffer, &appkey ))
203 len = sizeof(buffer);
204 if (!RegQueryValueExW( appkey, desktopW, 0, NULL, (LPBYTE)buffer, &len )) ret = buffer;
205 RegCloseKey( appkey );
211 /***********************************************************************
214 * Connect to the process window station and desktop.
216 static void winstation_init(void)
218 static const WCHAR WinSta0[] = {'W','i','n','S','t','a','0',0};
221 WCHAR *winstation = NULL, *desktop = NULL, *buffer = NULL;
224 GetStartupInfoW( &info );
225 if (info.lpDesktop && *info.lpDesktop)
227 buffer = HeapAlloc( GetProcessHeap(), 0, (strlenW(info.lpDesktop) + 1) * sizeof(WCHAR) );
228 strcpyW( buffer, info.lpDesktop );
229 if ((desktop = strchrW( buffer, '\\' )))
234 else desktop = buffer;
237 /* set winstation if explicitly specified, or if we don't have one yet */
238 if (buffer || !GetProcessWindowStation())
240 handle = CreateWindowStationW( winstation ? winstation : WinSta0, 0, WINSTA_ALL_ACCESS, NULL );
243 SetProcessWindowStation( handle );
244 /* only WinSta0 is visible */
245 if (!winstation || !strcmpiW( winstation, WinSta0 ))
247 USEROBJECTFLAGS flags;
248 flags.fInherit = FALSE;
249 flags.fReserved = FALSE;
250 flags.dwFlags = WSF_VISIBLE;
251 SetUserObjectInformationW( handle, UOI_FLAGS, &flags, sizeof(flags) );
255 if (buffer || !GetThreadDesktop( GetCurrentThreadId() ))
257 handle = CreateDesktopW( desktop ? desktop : get_default_desktop(),
258 NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
259 if (handle) SetThreadDesktop( handle );
261 HeapFree( GetProcessHeap(), 0, buffer );
265 /***********************************************************************
266 * USER initialisation routine
268 static BOOL process_attach(void)
270 HINSTANCE16 instance;
272 /* Create USER heap */
273 if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
276 USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
277 LocalInit16( USER_HeapSel, 32, 65534 );
280 /* some Win9x dlls expect keyboard to be loaded */
281 if (GetVersion() & 0x80000000) LoadLibrary16( "keyboard.drv" );
285 /* Initialize system colors and metrics */
288 /* Setup palette function pointers */
291 /* Initialize built-in window classes */
292 CLASS_RegisterBuiltinClasses();
294 /* Initialize message spying */
295 if (!SPY_Init()) return FALSE;
301 /**********************************************************************
302 * USER_IsExitingThread
304 BOOL USER_IsExitingThread( DWORD tid )
306 return (tid == exiting_thread_id);
310 /**********************************************************************
313 static void thread_detach(void)
315 struct user_thread_info *thread_info = get_user_thread_info();
317 exiting_thread_id = GetCurrentThreadId();
319 WDML_NotifyThreadDetach();
321 if (thread_info->top_window) WIN_DestroyThreadWindows( thread_info->top_window );
322 if (thread_info->msg_window) WIN_DestroyThreadWindows( thread_info->msg_window );
323 CloseHandle( thread_info->server_queue );
324 HeapFree( GetProcessHeap(), 0, thread_info->wmchar_data );
326 exiting_thread_id = 0;
330 /***********************************************************************
331 * UserClientDllInitialize (USER32.@)
333 * USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
335 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
340 case DLL_PROCESS_ATTACH:
341 user32_module = inst;
342 ret = process_attach();
344 case DLL_THREAD_DETACH:
347 case DLL_PROCESS_DETACH:
348 USER_unload_driver();
355 /***********************************************************************
356 * ExitWindowsEx (USER32.@)
358 BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reason )
360 static const WCHAR winebootW[] = { '\\','w','i','n','e','b','o','o','t','.','e','x','e',0 };
361 static const WCHAR killW[] = { ' ','-','-','k','i','l','l',0 };
362 static const WCHAR end_sessionW[] = { ' ','-','-','e','n','d','-','s','e','s','s','i','o','n',0 };
363 static const WCHAR forceW[] = { ' ','-','-','f','o','r','c','e',0 };
364 static const WCHAR shutdownW[] = { ' ','-','-','s','h','u','t','d','o','w','n',0 };
366 WCHAR cmdline[MAX_PATH + 64];
367 PROCESS_INFORMATION pi;
370 GetSystemDirectoryW( cmdline, MAX_PATH );
371 lstrcatW( cmdline, winebootW );
373 if (flags & EWX_FORCE) lstrcatW( cmdline, killW );
376 lstrcatW( cmdline, end_sessionW );
377 if (flags & EWX_FORCEIFHUNG) lstrcatW( cmdline, forceW );
379 if (!(flags & EWX_REBOOT)) lstrcatW( cmdline, shutdownW );
381 memset( &si, 0, sizeof si );
383 if (!CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi ))
385 ERR( "Failed to run %s\n", debugstr_w(cmdline) );
388 CloseHandle( pi.hProcess );
389 CloseHandle( pi.hThread );
393 /***********************************************************************
394 * LockWorkStation (USER32.@)
396 BOOL WINAPI LockWorkStation(void)
399 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
403 /***********************************************************************
404 * RegisterServicesProcess (USER32.@)
406 int WINAPI RegisterServicesProcess(DWORD ServicesProcessId)
408 FIXME("(0x%x): stub\n", ServicesProcessId);