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
31 #include "user_private.h"
33 #include "wine/unicode.h"
34 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(graphics);
38 #define DESKTOP_ALL_ACCESS 0x01ff
40 WORD USER_HeapSel = 0; /* USER heap selector */
41 HMODULE user32_module = 0;
43 static SYSLEVEL USER_SysLevel;
44 static CRITICAL_SECTION_DEBUG critsect_debug =
46 0, 0, &USER_SysLevel.crst,
47 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
48 0, 0, { (DWORD_PTR)(__FILE__ ": USER_SysLevel") }
50 static SYSLEVEL USER_SysLevel = { { &critsect_debug, -1, 0, 0, 0, 0 }, 2 };
52 static HPALETTE (WINAPI *pfnGDISelectPalette)( HDC hdc, HPALETTE hpal, WORD bkgnd );
53 static UINT (WINAPI *pfnGDIRealizePalette)( HDC hdc );
54 static HPALETTE hPrimaryPalette;
56 static DWORD exiting_thread_id;
58 extern void WDML_NotifyThreadDetach(void);
61 /***********************************************************************
66 _EnterSysLevel( &USER_SysLevel );
70 /***********************************************************************
73 void USER_Unlock(void)
75 _LeaveSysLevel( &USER_SysLevel );
79 /***********************************************************************
82 * Make sure that we don't hold the user lock.
84 void USER_CheckNotLock(void)
86 _CheckNotSysLevel( &USER_SysLevel );
90 /***********************************************************************
91 * UserSelectPalette (Not a Windows API)
93 static HPALETTE WINAPI UserSelectPalette( HDC hDC, HPALETTE hPal, BOOL bForceBackground )
97 if (!bForceBackground && (hPal != GetStockObject(DEFAULT_PALETTE)))
99 HWND hwnd = WindowFromDC( hDC );
102 HWND hForeground = GetForegroundWindow();
103 /* set primary palette if it's related to current active */
104 if (hForeground == hwnd || IsChild(hForeground,hwnd))
107 hPrimaryPalette = hPal;
111 return pfnGDISelectPalette( hDC, hPal, wBkgPalette);
115 /***********************************************************************
116 * UserRealizePalette (USER32.@)
118 UINT WINAPI UserRealizePalette( HDC hDC )
120 UINT realized = pfnGDIRealizePalette( hDC );
122 /* do not send anything if no colors were changed */
123 if (realized && GetCurrentObject( hDC, OBJ_PAL ) == hPrimaryPalette)
125 /* send palette change notification */
126 HWND hWnd = WindowFromDC( hDC );
127 if (hWnd) SendMessageTimeoutW( HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)hWnd, 0,
128 SMTO_ABORTIFHUNG, 2000, NULL );
134 /***********************************************************************
137 * Patch the function pointers in GDI for SelectPalette and RealizePalette
139 static void palette_init(void)
142 HMODULE module = GetModuleHandleA( "gdi32" );
145 ERR( "cannot get GDI32 handle\n" );
148 if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
149 pfnGDISelectPalette = InterlockedExchangePointer( ptr, UserSelectPalette );
150 else ERR( "cannot find pfnSelectPalette in GDI32\n" );
151 if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
152 pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
153 else ERR( "cannot find pfnRealizePalette in GDI32\n" );
157 /***********************************************************************
160 * Connect to the process window station and desktop.
162 static void winstation_init(void)
164 static const WCHAR WinSta0[] = {'W','i','n','S','t','a','0',0};
165 static const WCHAR Default[] = {'D','e','f','a','u','l','t',0};
168 WCHAR *winstation = NULL, *desktop = NULL, *buffer = NULL;
171 GetStartupInfoW( &info );
172 if (info.lpDesktop && *info.lpDesktop)
174 buffer = HeapAlloc( GetProcessHeap(), 0, (strlenW(info.lpDesktop) + 1) * sizeof(WCHAR) );
175 strcpyW( buffer, info.lpDesktop );
176 if ((desktop = strchrW( buffer, '\\' )))
181 else desktop = buffer;
184 /* set winstation if explicitly specified, or if we don't have one yet */
185 if (buffer || !GetProcessWindowStation())
187 handle = CreateWindowStationW( winstation ? winstation : WinSta0, 0, WINSTA_ALL_ACCESS, NULL );
188 if (handle) SetProcessWindowStation( handle );
190 if (buffer || !GetThreadDesktop( GetCurrentThreadId() ))
192 handle = CreateDesktopW( desktop ? desktop : Default, NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
193 if (handle) SetThreadDesktop( handle );
195 HeapFree( GetProcessHeap(), 0, buffer );
199 /***********************************************************************
200 * USER initialisation routine
202 static BOOL process_attach(void)
204 HINSTANCE16 instance;
206 /* Create USER heap */
207 if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
210 USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
211 LocalInit16( USER_HeapSel, 32, 65534 );
214 /* some Win9x dlls expect keyboard to be loaded */
215 if (GetVersion() & 0x80000000) LoadLibrary16( "keyboard.drv" );
219 /* Initialize system colors and metrics */
222 /* Setup palette function pointers */
225 /* Initialize built-in window classes */
226 CLASS_RegisterBuiltinClasses();
228 /* Initialize message spying */
229 if (!SPY_Init()) return FALSE;
235 /**********************************************************************
236 * USER_IsExitingThread
238 BOOL USER_IsExitingThread( DWORD tid )
240 return (tid == exiting_thread_id);
244 /**********************************************************************
247 static void thread_detach(void)
249 exiting_thread_id = GetCurrentThreadId();
251 WDML_NotifyThreadDetach();
253 WIN_DestroyThreadWindows( get_user_thread_info()->desktop );
254 CloseHandle( get_user_thread_info()->server_queue );
256 exiting_thread_id = 0;
260 /***********************************************************************
261 * UserClientDllInitialize (USER32.@)
263 * USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
265 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
270 case DLL_PROCESS_ATTACH:
271 user32_module = inst;
272 ret = process_attach();
274 case DLL_THREAD_DETACH:
277 case DLL_PROCESS_DETACH:
278 USER_unload_driver();
285 /***********************************************************************
286 * ExitWindowsEx (USER32.@)
288 BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reason )
290 static const WCHAR winebootW[] = { '\\','w','i','n','e','b','o','o','t','.','e','x','e',0 };
291 static const WCHAR killW[] = { ' ','-','-','k','i','l','l',0 };
292 static const WCHAR end_sessionW[] = { ' ','-','-','e','n','d','-','s','e','s','s','i','o','n',0 };
293 static const WCHAR forceW[] = { ' ','-','-','f','o','r','c','e',0 };
294 static const WCHAR shutdownW[] = { ' ','-','-','s','h','u','t','d','o','w','n',0 };
296 WCHAR cmdline[MAX_PATH + 64];
297 PROCESS_INFORMATION pi;
300 GetSystemDirectoryW( cmdline, MAX_PATH );
301 lstrcatW( cmdline, winebootW );
303 if (flags & EWX_FORCE) lstrcatW( cmdline, killW );
306 lstrcatW( cmdline, end_sessionW );
307 if (flags & EWX_FORCEIFHUNG) lstrcatW( cmdline, forceW );
309 if (!(flags & EWX_REBOOT)) lstrcatW( cmdline, shutdownW );
311 memset( &si, 0, sizeof si );
313 if (!CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi ))
315 ERR( "Failed to run %s\n", debugstr_w(cmdline) );
318 CloseHandle( pi.hProcess );
319 CloseHandle( pi.hThread );