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];
  59     HKEY hkey;
  60     DWORD type, count;
  61
  62     strcpy( buffer, "x11drv" );  /* default value */
  63     if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
  64     {
  65         count = sizeof(buffer);
  66         RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
  67         RegCloseKey( hkey );
  68     }
  69
  70     if (!(graphics_driver = LoadLibraryA( buffer )))
  71     {
  72         MESSAGE( "Could not load graphics driver '%s'\n", buffer );
  73         return FALSE;
  74     }
  75
  76     GET_USER_FUNC(InitKeyboard);
  77     GET_USER_FUNC(VkKeyScanEx);
  78     GET_USER_FUNC(MapVirtualKeyEx);
  79     GET_USER_FUNC(GetKeyNameText);
  80     GET_USER_FUNC(ToUnicodeEx);
  81     GET_USER_FUNC(GetKeyboardLayoutList);
  82     GET_USER_FUNC(GetKeyboardLayout);
  83     GET_USER_FUNC(GetKeyboardLayoutName);
  84     GET_USER_FUNC(LoadKeyboardLayout);
  85     GET_USER_FUNC(ActivateKeyboardLayout);
  86     GET_USER_FUNC(UnloadKeyboardLayout);
  87     GET_USER_FUNC(Beep);
  88     GET_USER_FUNC(InitMouse);
  89     GET_USER_FUNC(SetCursor);
  90     GET_USER_FUNC(GetCursorPos);
  91     GET_USER_FUNC(SetCursorPos);
  92     GET_USER_FUNC(GetScreenSaveActive);
  93     GET_USER_FUNC(SetScreenSaveActive);
  94     GET_USER_FUNC(AcquireClipboard);
  95     GET_USER_FUNC(EmptyClipboard);
  96     GET_USER_FUNC(SetClipboardData);
  97     GET_USER_FUNC(GetClipboardData);
  98     GET_USER_FUNC(CountClipboardFormats);
  99     GET_USER_FUNC(EnumClipboardFormats);
 100     GET_USER_FUNC(IsClipboardFormatAvailable);
 101     GET_USER_FUNC(RegisterClipboardFormat);
 102     GET_USER_FUNC(GetClipboardFormatName);
 103     GET_USER_FUNC(EndClipboardUpdate);
 104     GET_USER_FUNC(ResetSelectionOwner);
 105     GET_USER_FUNC(ChangeDisplaySettingsExW);
 106     GET_USER_FUNC(EnumDisplaySettingsExW);
 107     GET_USER_FUNC(CreateWindow);
 108     GET_USER_FUNC(DestroyWindow);
 109     GET_USER_FUNC(GetDC);
 110     GET_USER_FUNC(ForceWindowRaise);
 111     GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 112     GET_USER_FUNC(ReleaseDC);
 113     GET_USER_FUNC(ScrollWindowEx);
 114     GET_USER_FUNC(SetFocus);
 115     GET_USER_FUNC(SetParent);
 116     GET_USER_FUNC(SetWindowPos);
 117     GET_USER_FUNC(SetWindowRgn);
 118     GET_USER_FUNC(SetWindowIcon);
 119     GET_USER_FUNC(SetWindowStyle);
 120     GET_USER_FUNC(SetWindowText);
 121     GET_USER_FUNC(ShowWindow);
 122     GET_USER_FUNC(SysCommandSizeMove);
 123
 124     return TRUE;
 125 }
 126
 127
 128 /***********************************************************************
 129  *           palette_init
 130  *
 131  * Patch the function pointers in GDI for SelectPalette and RealizePalette
 132  */
 133 static void palette_init(void)
 134 {
 135     void **ptr;
 136     HMODULE module = GetModuleHandleA( "gdi32" );
 137     if (!module)
 138     {
 139         ERR( "cannot get GDI32 handle\n" );
 140         return;
 141     }
 142     if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
 143         pfnGDISelectPalette = InterlockedExchangePointer( ptr, SelectPalette );
 144     else ERR( "cannot find pfnSelectPalette in GDI32\n" );
 145     if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
 146         pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
 147     else ERR( "cannot find pfnRealizePalette in GDI32\n" );
 148 }
 149
 150
 151 /***********************************************************************
 152  *           USER initialisation routine
 153  */
 154 static BOOL process_attach(void)
 155 {
 156     HINSTANCE16 instance;
 157
 158     /* Create USER heap */
 159     if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
 160     else
 161     {
 162         USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
 163         LocalInit16( USER_HeapSel, 32, 65534 );
 164     }
 165
 166     /* some Win9x dlls expect keyboard to be loaded */
 167     if (GetVersion() & 0x80000000) LoadLibrary16( "keyboard.drv" );
 168
 169     /* Load the graphics driver */
 170     if (!load_driver()) return FALSE;
 171
 172     /* Initialize system colors and metrics */
 173     SYSMETRICS_Init();
 174     SYSCOLOR_Init();
 175
 176     /* Setup palette function pointers */
 177     palette_init();
 178
 179     /* Initialize built-in window classes */
 180     CLASS_RegisterBuiltinClasses();
 181
 182     /* Initialize menus */
 183     if (!MENU_Init()) return FALSE;
 184
 185     /* Initialize message spying */
 186     if (!SPY_Init()) return FALSE;
 187
 188     /* Create message queue of initial thread */
 189     InitThreadInput16( 0, 0 );
 190
 191     /* Create desktop window */
 192     if (!WIN_CreateDesktopWindow()) return FALSE;
 193
 194     /* Initialize keyboard driver */
 195     if (USER_Driver.pInitKeyboard) USER_Driver.pInitKeyboard( InputKeyStateTable );
 196
 197     /* Initialize mouse driver */
 198     if (USER_Driver.pInitMouse) USER_Driver.pInitMouse( InputKeyStateTable );
 199
 200     return TRUE;
 201 }
 202
 203
 204 /**********************************************************************
 205  *           USER_IsExitingThread
 206  */
 207 BOOL USER_IsExitingThread( DWORD tid )
 208 {
 209     return (tid == exiting_thread_id);
 210 }
 211
 212
 213 /**********************************************************************
 214  *           thread_detach
 215  */
 216 static void thread_detach(void)
 217 {
 218     exiting_thread_id = GetCurrentThreadId();
 219
 220     WDML_NotifyThreadDetach();
 221
 222     TIMER_RemoveThreadTimers();
 223     WIN_DestroyThreadWindows( GetDesktopWindow() );
 224     QUEUE_DeleteMsgQueue();
 225
 226     exiting_thread_id = 0;
 227 }
 228
 229
 230 /***********************************************************************
 231  *           UserClientDllInitialize  (USER32.@)
 232  *
 233  * USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
 234  */
 235 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 236 {
 237     BOOL ret = TRUE;
 238     switch(reason)
 239     {
 240     case DLL_PROCESS_ATTACH:
 241         user32_module = inst;
 242         ret = process_attach();
 243         break;
 244     case DLL_THREAD_DETACH:
 245         thread_detach();
 246         break;
 247     }
 248     return ret;
 249 }