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 static HPALETTE (WINAPI *pfnGDISelectPalette)( HDC hdc, HPALETTE hpal, WORD bkgnd );
  46 static UINT (WINAPI *pfnGDIRealizePalette)( HDC hdc );
  47 static HPALETTE hPrimaryPalette;
  48
  49 static HMODULE graphics_driver;
  50 static DWORD exiting_thread_id;
  51
  52 extern void WDML_NotifyThreadDetach(void);
  53
  54 #define GET_USER_FUNC(name) USER_Driver.p##name = (void*)GetProcAddress( graphics_driver, #name )
  55
  56 /* load the graphics driver */
  57 static BOOL load_driver(void)
  58 {
  59     char buffer[MAX_PATH], *name, *next;
  60     HKEY hkey;
  61
  62     strcpy( buffer, "x11drv,ttydrv" );  /* default value */
  63     if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
  64     {
  65         DWORD type, count = sizeof(buffer);
  66         RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
  67         RegCloseKey( hkey );
  68     }
  69
  70     name = buffer;
  71     while (name)
  72     {
  73         next = strchr( name, ',' );
  74         if (next) *next++ = 0;
  75
  76         if ((graphics_driver = LoadLibraryA( name )) != 0) break;
  77         name = next;
  78     }
  79     if (!graphics_driver)
  80     {
  81         MESSAGE( "wine: Could not load graphics driver '%s'.\n", buffer );
  82         if (!strcasecmp( buffer, "x11drv" ))
  83             MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
  84         ExitProcess(1);
  85     }
  86
  87     GET_USER_FUNC(InitKeyboard);
  88     GET_USER_FUNC(VkKeyScanEx);
  89     GET_USER_FUNC(MapVirtualKeyEx);
  90     GET_USER_FUNC(GetKeyNameText);
  91     GET_USER_FUNC(ToUnicodeEx);
  92     GET_USER_FUNC(GetKeyboardLayoutList);
  93     GET_USER_FUNC(GetKeyboardLayout);
  94     GET_USER_FUNC(GetKeyboardLayoutName);
  95     GET_USER_FUNC(LoadKeyboardLayout);
  96     GET_USER_FUNC(ActivateKeyboardLayout);
  97     GET_USER_FUNC(UnloadKeyboardLayout);
  98     GET_USER_FUNC(Beep);
  99     GET_USER_FUNC(InitMouse);
 100     GET_USER_FUNC(SetCursor);
 101     GET_USER_FUNC(GetCursorPos);
 102     GET_USER_FUNC(SetCursorPos);
 103     GET_USER_FUNC(GetScreenSaveActive);
 104     GET_USER_FUNC(SetScreenSaveActive);
 105     GET_USER_FUNC(AcquireClipboard);
 106     GET_USER_FUNC(EmptyClipboard);
 107     GET_USER_FUNC(SetClipboardData);
 108     GET_USER_FUNC(GetClipboardData);
 109     GET_USER_FUNC(CountClipboardFormats);
 110     GET_USER_FUNC(EnumClipboardFormats);
 111     GET_USER_FUNC(IsClipboardFormatAvailable);
 112     GET_USER_FUNC(RegisterClipboardFormat);
 113     GET_USER_FUNC(GetClipboardFormatName);
 114     GET_USER_FUNC(EndClipboardUpdate);
 115     GET_USER_FUNC(ResetSelectionOwner);
 116     GET_USER_FUNC(ChangeDisplaySettingsExW);
 117     GET_USER_FUNC(EnumDisplaySettingsExW);
 118     GET_USER_FUNC(CreateWindow);
 119     GET_USER_FUNC(DestroyWindow);
 120     GET_USER_FUNC(GetDC);
 121     GET_USER_FUNC(ForceWindowRaise);
 122     GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 123     GET_USER_FUNC(ReleaseDC);
 124     GET_USER_FUNC(ScrollDC);
 125     GET_USER_FUNC(SetFocus);
 126     GET_USER_FUNC(SetParent);
 127     GET_USER_FUNC(SetWindowPos);
 128     GET_USER_FUNC(SetWindowRgn);
 129     GET_USER_FUNC(SetWindowIcon);
 130     GET_USER_FUNC(SetWindowStyle);
 131     GET_USER_FUNC(SetWindowText);
 132     GET_USER_FUNC(ShowWindow);
 133     GET_USER_FUNC(SysCommandSizeMove);
 134
 135     return TRUE;
 136 }
 137
 138
 139 /***********************************************************************
 140  *              UserSelectPalette (Not a Windows API)
 141  */
 142 static HPALETTE WINAPI UserSelectPalette( HDC hDC, HPALETTE hPal, BOOL bForceBackground )
 143 {
 144     WORD wBkgPalette = 1;
 145
 146     if (!bForceBackground && (hPal != GetStockObject(DEFAULT_PALETTE)))
 147     {
 148         HWND hwnd = WindowFromDC( hDC );
 149         if (hwnd)
 150         {
 151             HWND hForeground = GetForegroundWindow();
 152             /* set primary palette if it's related to current active */
 153             if (hForeground == hwnd || IsChild(hForeground,hwnd))
 154             {
 155                 wBkgPalette = 0;
 156                 hPrimaryPalette = hPal;
 157             }
 158         }
 159     }
 160     return pfnGDISelectPalette( hDC, hPal, wBkgPalette);
 161 }
 162
 163
 164 /***********************************************************************
 165  *              UserRealizePalette (USER32.@)
 166  */
 167 UINT WINAPI UserRealizePalette( HDC hDC )
 168 {
 169     UINT realized = pfnGDIRealizePalette( hDC );
 170
 171     /* do not send anything if no colors were changed */
 172     if (realized && GetCurrentObject( hDC, OBJ_PAL ) == hPrimaryPalette)
 173     {
 174         /* send palette change notification */
 175         HWND hWnd = WindowFromDC( hDC );
 176         if (hWnd) SendMessageTimeoutW( HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)hWnd, 0,
 177                                        SMTO_ABORTIFHUNG, 2000, NULL );
 178     }
 179     return realized;
 180 }
 181
 182
 183 /***********************************************************************
 184  *           palette_init
 185  *
 186  * Patch the function pointers in GDI for SelectPalette and RealizePalette
 187  */
 188 static void palette_init(void)
 189 {
 190     void **ptr;
 191     HMODULE module = GetModuleHandleA( "gdi32" );
 192     if (!module)
 193     {
 194         ERR( "cannot get GDI32 handle\n" );
 195         return;
 196     }
 197     if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
 198         pfnGDISelectPalette = InterlockedExchangePointer( ptr, UserSelectPalette );
 199     else ERR( "cannot find pfnSelectPalette in GDI32\n" );
 200     if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
 201         pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
 202     else ERR( "cannot find pfnRealizePalette in GDI32\n" );
 203 }
 204
 205
 206 /***********************************************************************
 207  *           USER initialisation routine
 208  */
 209 static BOOL process_attach(void)
 210 {
 211     HINSTANCE16 instance;
 212
 213     /* Create USER heap */
 214     if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
 215     else
 216     {
 217         USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
 218         LocalInit16( USER_HeapSel, 32, 65534 );
 219     }
 220
 221     /* some Win9x dlls expect keyboard to be loaded */
 222     if (GetVersion() & 0x80000000) LoadLibrary16( "keyboard.drv" );
 223
 224     /* Load the graphics driver */
 225     if (!load_driver()) return FALSE;
 226
 227     /* Initialize system colors and metrics */
 228     SYSMETRICS_Init();
 229     SYSCOLOR_Init();
 230
 231     /* Setup palette function pointers */
 232     palette_init();
 233
 234     /* Initialize built-in window classes */
 235     CLASS_RegisterBuiltinClasses();
 236
 237     /* Initialize menus */
 238     if (!MENU_Init()) return FALSE;
 239
 240     /* Initialize message spying */
 241     if (!SPY_Init()) return FALSE;
 242
 243     /* Create message queue of initial thread */
 244     InitThreadInput16( 0, 0 );
 245
 246     /* Create desktop window */
 247     if (!WIN_CreateDesktopWindow()) return FALSE;
 248
 249     /* Initialize keyboard driver */
 250     if (USER_Driver.pInitKeyboard) USER_Driver.pInitKeyboard( InputKeyStateTable );
 251
 252     /* Initialize mouse driver */
 253     if (USER_Driver.pInitMouse) USER_Driver.pInitMouse( InputKeyStateTable );
 254
 255     return TRUE;
 256 }
 257
 258
 259 /**********************************************************************
 260  *           USER_IsExitingThread
 261  */
 262 BOOL USER_IsExitingThread( DWORD tid )
 263 {
 264     return (tid == exiting_thread_id);
 265 }
 266
 267
 268 /**********************************************************************
 269  *           thread_detach
 270  */
 271 static void thread_detach(void)
 272 {
 273     exiting_thread_id = GetCurrentThreadId();
 274
 275     WDML_NotifyThreadDetach();
 276
 277     WIN_DestroyThreadWindows( GetDesktopWindow() );
 278     QUEUE_DeleteMsgQueue();
 279
 280     exiting_thread_id = 0;
 281 }
 282
 283
 284 /**********************************************************************
 285  *           process_detach
 286  */
 287 static void process_detach(void)
 288 {
 289     memset(&USER_Driver, 0, sizeof(USER_Driver));
 290     FreeLibrary(graphics_driver);
 291 }
 292
 293 /***********************************************************************
 294  *           UserClientDllInitialize  (USER32.@)
 295  *
 296  * USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
 297  */
 298 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 299 {
 300     BOOL ret = TRUE;
 301     switch(reason)
 302     {
 303     case DLL_PROCESS_ATTACH:
 304         user32_module = inst;
 305         ret = process_attach();
 306         break;
 307     case DLL_PROCESS_DETACH:
 308         process_detach();
 309         break;
 310     case DLL_THREAD_DETACH:
 311         thread_detach();
 312         break;
 313     }
 314     return ret;
 315 }