dlls/user32/user_main.c

   1 /*
   2  * USER initialization code
   3  *
   4  * Copyright 2000 Alexandre Julliard
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wingdi.h"
  27 #include "winuser.h"
  28
  29 #include "controls.h"
  30 #include "user_private.h"
  31 #include "win.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(graphics);
  35
  36 HMODULE user32_module = 0;
  37
  38 static CRITICAL_SECTION user_section;
  39 static CRITICAL_SECTION_DEBUG critsect_debug =
  40 {
  41     0, 0, &user_section,
  42     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  43       0, 0, { (DWORD_PTR)(__FILE__ ": user_section") }
  44 };
  45 static CRITICAL_SECTION user_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  46
  47 static HPALETTE (WINAPI *pfnGDISelectPalette)( HDC hdc, HPALETTE hpal, WORD bkgnd );
  48 static UINT (WINAPI *pfnGDIRealizePalette)( HDC hdc );
  49 static HPALETTE hPrimaryPalette;
  50
  51 static DWORD exiting_thread_id;
  52
  53 extern void WDML_NotifyThreadDetach(void);
  54
  55 /***********************************************************************
  56  *           USER_Lock
  57  */
  58 void USER_Lock(void)
  59 {
  60     EnterCriticalSection( &user_section );
  61 }
  62
  63
  64 /***********************************************************************
  65  *           USER_Unlock
  66  */
  67 void USER_Unlock(void)
  68 {
  69     LeaveCriticalSection( &user_section );
  70 }
  71
  72
  73 /***********************************************************************
  74  *           USER_CheckNotLock
  75  *
  76  * Make sure that we don't hold the user lock.
  77  */
  78 void USER_CheckNotLock(void)
  79 {
  80     if (RtlIsCriticalSectionLockedByThread(&user_section))
  81     {
  82         ERR( "BUG: holding USER lock\n" );
  83         DebugBreak();
  84     }
  85 }
  86
  87
  88 /***********************************************************************
  89  *              UserSelectPalette (Not a Windows API)
  90  */
  91 static HPALETTE WINAPI UserSelectPalette( HDC hDC, HPALETTE hPal, BOOL bForceBackground )
  92 {
  93     WORD wBkgPalette = 1;
  94
  95     if (!bForceBackground && (hPal != GetStockObject(DEFAULT_PALETTE)))
  96     {
  97         HWND hwnd = WindowFromDC( hDC );
  98         if (hwnd)
  99         {
 100             HWND hForeground = GetForegroundWindow();
 101             /* set primary palette if it's related to current active */
 102             if (hForeground == hwnd || IsChild(hForeground,hwnd))
 103             {
 104                 wBkgPalette = 0;
 105                 hPrimaryPalette = hPal;
 106             }
 107         }
 108     }
 109     return pfnGDISelectPalette( hDC, hPal, wBkgPalette);
 110 }
 111
 112
 113 /***********************************************************************
 114  *              UserRealizePalette (USER32.@)
 115  */
 116 UINT WINAPI UserRealizePalette( HDC hDC )
 117 {
 118     UINT realized = pfnGDIRealizePalette( hDC );
 119
 120     /* do not send anything if no colors were changed */
 121     if (realized && GetCurrentObject( hDC, OBJ_PAL ) == hPrimaryPalette)
 122     {
 123         /* send palette change notification */
 124         HWND hWnd = WindowFromDC( hDC );
 125         if (hWnd) SendMessageTimeoutW( HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)hWnd, 0,
 126                                        SMTO_ABORTIFHUNG, 2000, NULL );
 127     }
 128     return realized;
 129 }
 130
 131
 132 /***********************************************************************
 133  *           palette_init
 134  *
 135  * Patch the function pointers in GDI for SelectPalette and RealizePalette
 136  */
 137 static void palette_init(void)
 138 {
 139     void **ptr;
 140     HMODULE module = GetModuleHandleA( "gdi32" );
 141     if (!module)
 142     {
 143         ERR( "cannot get GDI32 handle\n" );
 144         return;
 145     }
 146     if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
 147         pfnGDISelectPalette = InterlockedExchangePointer( ptr, UserSelectPalette );
 148     else ERR( "cannot find pfnSelectPalette in GDI32\n" );
 149     if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
 150         pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
 151     else ERR( "cannot find pfnRealizePalette in GDI32\n" );
 152 }
 153
 154
 155 /***********************************************************************
 156  *           dpiaware_init
 157  *
 158  * Initialize the DPI awareness style.
 159  */
 160 static void dpiaware_init(void)
 161 {
 162     WCHAR buffer[256];
 163     DWORD option;
 164
 165     if (!LdrQueryImageFileExecutionOptions( &NtCurrentTeb()->Peb->ProcessParameters->ImagePathName,
 166                                             L"dpiAwareness", REG_DWORD, &option, sizeof(option), NULL ))
 167     {
 168         TRACE( "got option %x\n", option );
 169         if (option <= 2)
 170         {
 171             SetProcessDpiAwarenessContext( (DPI_AWARENESS_CONTEXT)~(ULONG_PTR)option );
 172             return;
 173         }
 174     }
 175
 176     if (QueryActCtxSettingsW( 0, NULL, L"http://schemas.microsoft.com/SMI/2016/WindowsSettings",
 177                               L"dpiAwareness", buffer, ARRAY_SIZE(buffer), NULL ))
 178     {
 179         static const WCHAR * const types[] = { L"unaware", L"system", L"permonitor", L"permonitorv2" };
 180         WCHAR *p, *start, *end;
 181         ULONG_PTR i;
 182
 183         TRACE( "got dpiAwareness=%s\n", debugstr_w(buffer) );
 184         for (start = buffer; *start; start = end)
 185         {
 186             start += wcsspn( start, L" \t\r\n" );
 187             if (!(end = wcschr( start, ',' ))) end = start + lstrlenW(start);
 188             else *end++ = 0;
 189             if ((p = wcspbrk( start, L" \t\r\n" ))) *p = 0;
 190             for (i = 0; i < ARRAY_SIZE(types); i++)
 191             {
 192                 if (wcsicmp( start, types[i] )) continue;
 193                 SetProcessDpiAwarenessContext( (DPI_AWARENESS_CONTEXT)~i );
 194                 return;
 195             }
 196         }
 197     }
 198     else if (QueryActCtxSettingsW( 0, NULL, L"http://schemas.microsoft.com/SMI/2005/WindowsSettings",
 199                                    L"dpiAware", buffer, ARRAY_SIZE(buffer), NULL ))
 200     {
 201         TRACE( "got dpiAware=%s\n", debugstr_w(buffer) );
 202         if (!wcsicmp( buffer, L"true" ))
 203             SetProcessDpiAwarenessContext( DPI_AWARENESS_CONTEXT_SYSTEM_AWARE );
 204         else if (!wcsicmp( buffer, L"true/pm" ) || !wcsicmp( buffer, L"per monitor" ))
 205             SetProcessDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE );
 206         else
 207             SetProcessDpiAwarenessContext( DPI_AWARENESS_CONTEXT_UNAWARE );
 208     }
 209 }
 210
 211
 212 static const void *kernel_callback_table[NtUserCallCount] =
 213 {
 214     User32CallEnumDisplayMonitor,
 215 };
 216
 217
 218 /***********************************************************************
 219  *           USER initialisation routine
 220  */
 221 static BOOL process_attach(void)
 222 {
 223     NtCurrentTeb()->Peb->KernelCallbackTable = kernel_callback_table;
 224
 225     dpiaware_init();
 226     register_desktop_class();
 227
 228     /* Initialize system colors and metrics */
 229     SYSPARAMS_Init();
 230
 231     /* Setup palette function pointers */
 232     palette_init();
 233
 234     return TRUE;
 235 }
 236
 237
 238 /**********************************************************************
 239  *           USER_IsExitingThread
 240  */
 241 BOOL USER_IsExitingThread( DWORD tid )
 242 {
 243     return (tid == exiting_thread_id);
 244 }
 245
 246
 247 /**********************************************************************
 248  *           thread_detach
 249  */
 250 static void thread_detach(void)
 251 {
 252     struct user_thread_info *thread_info = get_user_thread_info();
 253
 254     exiting_thread_id = GetCurrentThreadId();
 255
 256     WDML_NotifyThreadDetach();
 257     USER_Driver->pThreadDetach();
 258
 259     destroy_thread_windows();
 260     CloseHandle( thread_info->server_queue );
 261     HeapFree( GetProcessHeap(), 0, thread_info->wmchar_data );
 262     HeapFree( GetProcessHeap(), 0, thread_info->key_state );
 263     HeapFree( GetProcessHeap(), 0, thread_info->rawinput );
 264
 265     exiting_thread_id = 0;
 266 }
 267
 268
 269 /***********************************************************************
 270  *           UserClientDllInitialize  (USER32.@)
 271  *
 272  * USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
 273  */
 274 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 275 {
 276     static HMODULE imm32_module;
 277     BOOL ret = TRUE;
 278
 279     switch(reason)
 280     {
 281     case DLL_PROCESS_ATTACH:
 282         user32_module = inst;
 283         ret = process_attach();
 284         if(ret)
 285             imm32_module = LoadLibraryW(L"imm32.dll");
 286         break;
 287     case DLL_THREAD_DETACH:
 288         thread_detach();
 289         break;
 290     case DLL_PROCESS_DETACH:
 291         USER_unload_driver();
 292         FreeLibrary(imm32_module);
 293         DeleteCriticalSection(&user_section);
 294         break;
 295     }
 296     return ret;
 297 }
 298
 299
 300 /***********************************************************************
 301  *              ExitWindowsEx (USER32.@)
 302  */
 303 BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reason )
 304 {
 305     WCHAR app[MAX_PATH];
 306     WCHAR cmdline[MAX_PATH + 64];
 307     PROCESS_INFORMATION pi;
 308     STARTUPINFOW si;
 309     void *redir;
 310
 311     GetSystemDirectoryW( app, MAX_PATH - ARRAY_SIZE( L"\\wineboot.exe" ));
 312     lstrcatW( app, L"\\wineboot.exe" );
 313     lstrcpyW( cmdline, app );
 314
 315     if (flags & EWX_FORCE) lstrcatW( cmdline, L" --kill" );
 316     else
 317     {
 318         lstrcatW( cmdline, L" --end-session" );
 319         if (flags & EWX_FORCEIFHUNG) lstrcatW( cmdline, L" --force" );
 320     }
 321     if (!(flags & EWX_REBOOT)) lstrcatW( cmdline, L" --shutdown" );
 322
 323     memset( &si, 0, sizeof si );
 324     si.cb = sizeof si;
 325     Wow64DisableWow64FsRedirection( &redir );
 326     if (!CreateProcessW( app, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi ))
 327     {
 328         Wow64RevertWow64FsRedirection( redir );
 329         ERR( "Failed to run %s\n", debugstr_w(cmdline) );
 330         return FALSE;
 331     }
 332     Wow64RevertWow64FsRedirection( redir );
 333     CloseHandle( pi.hProcess );
 334     CloseHandle( pi.hThread );
 335     return TRUE;
 336 }
 337
 338 /***********************************************************************
 339  *              LockWorkStation (USER32.@)
 340  */
 341 BOOL WINAPI LockWorkStation(void)
 342 {
 343     TRACE(": stub\n");
 344     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 345     return FALSE;
 346 }
 347
 348 /***********************************************************************
 349  *              RegisterServicesProcess (USER32.@)
 350  */
 351 int WINAPI RegisterServicesProcess(DWORD ServicesProcessId)
 352 {
 353     FIXME("(0x%x): stub\n", ServicesProcessId);
 354     return 0;
 355 }
 356
 357 /***********************************************************************
 358  *              ShutdownBlockReasonCreate (USER32.@)
 359  */
 360 BOOL WINAPI ShutdownBlockReasonCreate(HWND hwnd, LPCWSTR reason)
 361 {
 362     FIXME("(%p, %s): stub\n", hwnd, debugstr_w(reason));
 363     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 364     return FALSE;
 365 }
 366
 367 /***********************************************************************
 368  *              ShutdownBlockReasonDestroy (USER32.@)
 369  */
 370 BOOL WINAPI ShutdownBlockReasonDestroy(HWND hwnd)
 371 {
 372     FIXME("(%p): stub\n", hwnd);
 373     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 374     return FALSE;
 375 }