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 WINE_LOOK TWEAK_WineLook = WIN31_LOOK;
  43
  44 WORD USER_HeapSel = 0;  /* USER heap selector */
  45 HMODULE user32_module = 0;
  46
  47 extern HPALETTE (WINAPI *pfnGDISelectPalette)(HDC hdc, HPALETTE hpal, WORD bkgnd );
  48 extern UINT (WINAPI *pfnGDIRealizePalette)(HDC hdc);
  49
  50 static HMODULE graphics_driver;
  51 static DWORD exiting_thread_id;
  52
  53 extern void WDML_NotifyThreadDetach(void);
  54
  55 #define GET_USER_FUNC(name) USER_Driver.p##name = (void*)GetProcAddress( graphics_driver, #name )
  56
  57 /* load the graphics driver */
  58 static BOOL load_driver(void)
  59 {
  60     char buffer[MAX_PATH];
  61     HKEY hkey;
  62     DWORD type, count;
  63
  64     strcpy( buffer, "x11drv" );  /* default value */
  65     if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
  66     {
  67         count = sizeof(buffer);
  68         RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
  69         RegCloseKey( hkey );
  70     }
  71
  72     if (!(graphics_driver = LoadLibraryA( buffer )))
  73     {
  74         MESSAGE( "Could not load graphics driver '%s'\n", buffer );
  75         return FALSE;
  76     }
  77
  78     GET_USER_FUNC(InitKeyboard);
  79     GET_USER_FUNC(VkKeyScanEx);
  80     GET_USER_FUNC(MapVirtualKeyEx);
  81     GET_USER_FUNC(GetKeyNameText);
  82     GET_USER_FUNC(ToUnicodeEx);
  83     GET_USER_FUNC(GetKeyboardLayoutList);
  84     GET_USER_FUNC(GetKeyboardLayout);
  85     GET_USER_FUNC(GetKeyboardLayoutName);
  86     GET_USER_FUNC(LoadKeyboardLayout);
  87     GET_USER_FUNC(ActivateKeyboardLayout);
  88     GET_USER_FUNC(UnloadKeyboardLayout);
  89     GET_USER_FUNC(Beep);
  90     GET_USER_FUNC(InitMouse);
  91     GET_USER_FUNC(SetCursor);
  92     GET_USER_FUNC(GetCursorPos);
  93     GET_USER_FUNC(SetCursorPos);
  94     GET_USER_FUNC(GetScreenSaveActive);
  95     GET_USER_FUNC(SetScreenSaveActive);
  96     GET_USER_FUNC(AcquireClipboard);
  97     GET_USER_FUNC(EmptyClipboard);
  98     GET_USER_FUNC(SetClipboardData);
  99     GET_USER_FUNC(GetClipboardData);
 100     GET_USER_FUNC(CountClipboardFormats);
 101     GET_USER_FUNC(EnumClipboardFormats);
 102     GET_USER_FUNC(IsClipboardFormatAvailable);
 103     GET_USER_FUNC(RegisterClipboardFormat);
 104     GET_USER_FUNC(GetClipboardFormatName);
 105     GET_USER_FUNC(EndClipboardUpdate);
 106     GET_USER_FUNC(ResetSelectionOwner);
 107     GET_USER_FUNC(ChangeDisplaySettingsExW);
 108     GET_USER_FUNC(EnumDisplaySettingsExW);
 109     GET_USER_FUNC(CreateWindow);
 110     GET_USER_FUNC(DestroyWindow);
 111     GET_USER_FUNC(GetDC);
 112     GET_USER_FUNC(ForceWindowRaise);
 113     GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 114     GET_USER_FUNC(ReleaseDC);
 115     GET_USER_FUNC(ScrollWindowEx);
 116     GET_USER_FUNC(SetFocus);
 117     GET_USER_FUNC(SetParent);
 118     GET_USER_FUNC(SetWindowPos);
 119     GET_USER_FUNC(SetWindowRgn);
 120     GET_USER_FUNC(SetWindowIcon);
 121     GET_USER_FUNC(SetWindowStyle);
 122     GET_USER_FUNC(SetWindowText);
 123     GET_USER_FUNC(ShowWindow);
 124     GET_USER_FUNC(SysCommandSizeMove);
 125
 126     return TRUE;
 127 }
 128
 129
 130 /***********************************************************************
 131  *           palette_init
 132  *
 133  * Patch the function pointers in GDI for SelectPalette and RealizePalette
 134  */
 135 static void palette_init(void)
 136 {
 137     void **ptr;
 138     HMODULE module = GetModuleHandleA( "gdi32" );
 139     if (!module)
 140     {
 141         ERR( "cannot get GDI32 handle\n" );
 142         return;
 143     }
 144     if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
 145         pfnGDISelectPalette = InterlockedExchangePointer( ptr, SelectPalette );
 146     else ERR( "cannot find pfnSelectPalette in GDI32\n" );
 147     if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
 148         pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
 149     else ERR( "cannot find pfnRealizePalette in GDI32\n" );
 150 }
 151
 152
 153 /***********************************************************************
 154  *           tweak_init
 155  */
 156 static void tweak_init(void)
 157 {
 158     static const char *OS = "Win3.1";
 159     char buffer[80];
 160     HKEY hkey;
 161     DWORD type, count = sizeof(buffer);
 162
 163     if (RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Tweak.Layout", &hkey ))
 164         return;
 165     if (RegQueryValueExA( hkey, "WineLook", 0, &type, buffer, &count ))
 166         strcpy( buffer, "Win31" );  /* default value */
 167     RegCloseKey( hkey );
 168
 169     /* WIN31_LOOK is default */
 170     if (!strncasecmp( buffer, "Win95", 5 ))
 171     {
 172         TWEAK_WineLook = WIN95_LOOK;
 173         OS = "Win95";
 174     }
 175     else if (!strncasecmp( buffer, "Win98", 5 ))
 176     {
 177         TWEAK_WineLook = WIN98_LOOK;
 178         OS = "Win98";
 179     }
 180     TRACE("Using %s look and feel.\n", OS);
 181 }
 182
 183
 184 /***********************************************************************
 185  *           USER initialisation routine
 186  */
 187 static BOOL process_attach(void)
 188 {
 189     HINSTANCE16 instance;
 190
 191     /* Create USER heap */
 192     if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
 193     else
 194     {
 195         USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
 196         LocalInit16( USER_HeapSel, 32, 65534 );
 197     }
 198
 199     /* Load the graphics driver */
 200     tweak_init();
 201     if (!load_driver()) return FALSE;
 202
 203     /* Initialize system colors and metrics */
 204     SYSMETRICS_Init();
 205     SYSCOLOR_Init();
 206
 207     /* Setup palette function pointers */
 208     palette_init();
 209
 210     /* Initialize built-in window classes */
 211     CLASS_RegisterBuiltinClasses();
 212
 213     /* Initialize menus */
 214     if (!MENU_Init()) return FALSE;
 215
 216     /* Initialize message spying */
 217     if (!SPY_Init()) return FALSE;
 218
 219     /* Create message queue of initial thread */
 220     InitThreadInput16( 0, 0 );
 221
 222     /* Create desktop window */
 223     if (!WIN_CreateDesktopWindow()) return FALSE;
 224
 225     /* Initialize keyboard driver */
 226     if (USER_Driver.pInitKeyboard) USER_Driver.pInitKeyboard( InputKeyStateTable );
 227
 228     /* Initialize mouse driver */
 229     if (USER_Driver.pInitMouse) USER_Driver.pInitMouse( InputKeyStateTable );
 230
 231     return TRUE;
 232 }
 233
 234
 235 /**********************************************************************
 236  *           USER_IsExitingThread
 237  */
 238 BOOL USER_IsExitingThread( DWORD tid )
 239 {
 240     return (tid == exiting_thread_id);
 241 }
 242
 243
 244 /**********************************************************************
 245  *           thread_detach
 246  */
 247 static void thread_detach(void)
 248 {
 249     exiting_thread_id = GetCurrentThreadId();
 250
 251     WDML_NotifyThreadDetach();
 252
 253     TIMER_RemoveThreadTimers();
 254     WIN_DestroyThreadWindows( GetDesktopWindow() );
 255     QUEUE_DeleteMsgQueue();
 256
 257     exiting_thread_id = 0;
 258 }
 259
 260
 261 /***********************************************************************
 262  *           UserClientDllInitialize  (USER32.@)
 263  *
 264  * USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
 265  */
 266 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 267 {
 268     BOOL ret = TRUE;
 269     switch(reason)
 270     {
 271     case DLL_PROCESS_ATTACH:
 272         user32_module = inst;
 273         ret = process_attach();
 274         break;
 275     case DLL_THREAD_DETACH:
 276         thread_detach();
 277         break;
 278     }
 279     return ret;
 280 }