dlls/user/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <string.h>
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wingdi.h"
  26 #include "winuser.h"
  27 #include "winreg.h"
  28 #include "wine/winbase16.h"
  29 #include "wine/winuser16.h"
  30
  31 #include "controls.h"
  32 #include "cursoricon.h"
  33 #include "message.h"
  34 #include "user.h"
  35 #include "win.h"
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(graphics);
  39
  40 USER_DRIVER USER_Driver;
  41
  42 WORD USER_HeapSel = 0;  /* USER heap selector */
  43 HMODULE user32_module = 0;
  44
  45 extern HPALETTE (WINAPI *pfnGDISelectPalette)(HDC hdc, HPALETTE hpal, WORD bkgnd );
  46 extern UINT (WINAPI *pfnGDIRealizePalette)(HDC hdc);
  47
  48 static HMODULE graphics_driver;
  49 static DWORD exiting_thread_id;
  50
  51 extern void WDML_NotifyThreadDetach(void);
  52
  53 #define GET_USER_FUNC(name) USER_Driver.p##name = (void*)GetProcAddress( graphics_driver, #name )
  54
  55 /* load the graphics driver */
  56 static BOOL load_driver(void)
  57 {
  58     char buffer[MAX_PATH], *name, *next;
  59     HKEY hkey;
  60
  61     strcpy( buffer, "x11drv,ttydrv" );  /* default value */
  62     if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
  63     {
  64         DWORD type, count = sizeof(buffer);
  65         RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
  66         RegCloseKey( hkey );
  67     }
  68
  69     name = buffer;
  70     while (name)
  71     {
  72         next = strchr( name, ',' );
  73         if (next) *next++ = 0;
  74
  75         if ((graphics_driver = LoadLibraryA( name )) != 0) break;
  76         name = next;
  77     }
  78     if (!graphics_driver)
  79     {
  80         MESSAGE( "wine: Could not load graphics driver '%s'.\n", buffer );
  81         if (!strcasecmp( buffer, "x11drv" ))
  82             MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
  83         ExitProcess(1);
  84     }
  85
  86     GET_USER_FUNC(InitKeyboard);
  87     GET_USER_FUNC(VkKeyScanEx);
  88     GET_USER_FUNC(MapVirtualKeyEx);
  89     GET_USER_FUNC(GetKeyNameText);
  90     GET_USER_FUNC(ToUnicodeEx);
  91     GET_USER_FUNC(GetKeyboardLayoutList);
  92     GET_USER_FUNC(GetKeyboardLayout);
  93     GET_USER_FUNC(GetKeyboardLayoutName);
  94     GET_USER_FUNC(LoadKeyboardLayout);
  95     GET_USER_FUNC(ActivateKeyboardLayout);
  96     GET_USER_FUNC(UnloadKeyboardLayout);
  97     GET_USER_FUNC(Beep);
  98     GET_USER_FUNC(InitMouse);
  99     GET_USER_FUNC(SetCursor);
 100     GET_USER_FUNC(GetCursorPos);
 101     GET_USER_FUNC(SetCursorPos);
 102     GET_USER_FUNC(GetScreenSaveActive);
 103     GET_USER_FUNC(SetScreenSaveActive);
 104     GET_USER_FUNC(AcquireClipboard);
 105     GET_USER_FUNC(EmptyClipboard);
 106     GET_USER_FUNC(SetClipboardData);
 107     GET_USER_FUNC(GetClipboardData);
 108     GET_USER_FUNC(CountClipboardFormats);
 109     GET_USER_FUNC(EnumClipboardFormats);
 110     GET_USER_FUNC(IsClipboardFormatAvailable);
 111     GET_USER_FUNC(RegisterClipboardFormat);
 112     GET_USER_FUNC(GetClipboardFormatName);
 113     GET_USER_FUNC(EndClipboardUpdate);
 114     GET_USER_FUNC(ResetSelectionOwner);
 115     GET_USER_FUNC(ChangeDisplaySettingsExW);
 116     GET_USER_FUNC(EnumDisplaySettingsExW);
 117     GET_USER_FUNC(CreateWindow);
 118     GET_USER_FUNC(DestroyWindow);
 119     GET_USER_FUNC(GetDC);
 120     GET_USER_FUNC(ForceWindowRaise);
 121     GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 122     GET_USER_FUNC(ReleaseDC);
 123     GET_USER_FUNC(ScrollDC);
 124     GET_USER_FUNC(SetFocus);
 125     GET_USER_FUNC(SetParent);
 126     GET_USER_FUNC(SetWindowPos);
 127     GET_USER_FUNC(SetWindowRgn);
 128     GET_USER_FUNC(SetWindowIcon);
 129     GET_USER_FUNC(SetWindowStyle);
 130     GET_USER_FUNC(SetWindowText);
 131     GET_USER_FUNC(ShowWindow);
 132     GET_USER_FUNC(SysCommandSizeMove);
 133
 134     return TRUE;
 135 }
 136
 137
 138 /***********************************************************************
 139  *           palette_init
 140  *
 141  * Patch the function pointers in GDI for SelectPalette and RealizePalette
 142  */
 143 static void palette_init(void)
 144 {
 145     void **ptr;
 146     HMODULE module = GetModuleHandleA( "gdi32" );
 147     if (!module)
 148     {
 149         ERR( "cannot get GDI32 handle\n" );
 150         return;
 151     }
 152     if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
 153         pfnGDISelectPalette = InterlockedExchangePointer( ptr, SelectPalette );
 154     else ERR( "cannot find pfnSelectPalette in GDI32\n" );
 155     if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
 156         pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
 157     else ERR( "cannot find pfnRealizePalette in GDI32\n" );
 158 }
 159
 160
 161 /***********************************************************************
 162  *           USER initialisation routine
 163  */
 164 static BOOL process_attach(void)
 165 {
 166     HINSTANCE16 instance;
 167
 168     /* Create USER heap */
 169     if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
 170     else
 171     {
 172         USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
 173         LocalInit16( USER_HeapSel, 32, 65534 );
 174     }
 175
 176     /* some Win9x dlls expect keyboard to be loaded */
 177     if (GetVersion() & 0x80000000) LoadLibrary16( "keyboard.drv" );
 178
 179     /* Load the graphics driver */
 180     if (!load_driver()) return FALSE;
 181
 182     /* Initialize system colors and metrics */
 183     SYSMETRICS_Init();
 184     SYSCOLOR_Init();
 185
 186     /* Setup palette function pointers */
 187     palette_init();
 188
 189     /* Initialize built-in window classes */
 190     CLASS_RegisterBuiltinClasses();
 191
 192     /* Initialize menus */
 193     if (!MENU_Init()) return FALSE;
 194
 195     /* Initialize message spying */
 196     if (!SPY_Init()) return FALSE;
 197
 198     /* Create message queue of initial thread */
 199     InitThreadInput16( 0, 0 );
 200
 201     /* Create desktop window */
 202     if (!WIN_CreateDesktopWindow()) return FALSE;
 203
 204     /* Initialize keyboard driver */
 205     if (USER_Driver.pInitKeyboard) USER_Driver.pInitKeyboard( InputKeyStateTable );
 206
 207     /* Initialize mouse driver */
 208     if (USER_Driver.pInitMouse) USER_Driver.pInitMouse( InputKeyStateTable );
 209
 210     return TRUE;
 211 }
 212
 213
 214 /**********************************************************************
 215  *           USER_IsExitingThread
 216  */
 217 BOOL USER_IsExitingThread( DWORD tid )
 218 {
 219     return (tid == exiting_thread_id);
 220 }
 221
 222
 223 /**********************************************************************
 224  *           thread_detach
 225  */
 226 static void thread_detach(void)
 227 {
 228     exiting_thread_id = GetCurrentThreadId();
 229
 230     WDML_NotifyThreadDetach();
 231
 232     TIMER_RemoveThreadTimers();
 233     WIN_DestroyThreadWindows( GetDesktopWindow() );
 234     QUEUE_DeleteMsgQueue();
 235
 236     exiting_thread_id = 0;
 237 }
 238
 239
 240 /**********************************************************************
 241  *           process_detach
 242  */
 243 static void process_detach(void)
 244 {
 245     memset(&USER_Driver, 0, sizeof(USER_Driver));
 246     FreeLibrary(graphics_driver);
 247 }
 248
 249 /***********************************************************************
 250  *           UserClientDllInitialize  (USER32.@)
 251  *
 252  * USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
 253  */
 254 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 255 {
 256     BOOL ret = TRUE;
 257     switch(reason)
 258     {
 259     case DLL_PROCESS_ATTACH:
 260         user32_module = inst;
 261         ret = process_attach();
 262         break;
 263     case DLL_PROCESS_DETACH:
 264         process_detach();
 265         break;
 266     case DLL_THREAD_DETACH:
 267         thread_detach();
 268         break;
 269     }
 270     return ret;
 271 }