dlls/x11drv/x11drv_main.c

   1 /*
   2  * X11DRV initialization code
   3  *
   4  * Copyright 1998 Patrik Stridvall
   5  * Copyright 2000 Alexandre Julliard
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include <fcntl.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #ifdef HAVE_SYS_TIME_H
  29 # include <sys/time.h>
  30 #endif
  31 #ifdef HAVE_UNISTD_H
  32 # include <unistd.h>
  33 #endif
  34 #include <X11/cursorfont.h>
  35 #include "ts_xlib.h"
  36
  37 #include "winbase.h"
  38 #include "wine/winbase16.h"
  39 #include "winreg.h"
  40
  41 #include "gdi.h"
  42 #include "user.h"
  43 #include "win.h"
  44 #include "x11drv.h"
  45 #include "xvidmode.h"
  46 #include "dga2.h"
  47 #include "wine/server.h"
  48 #include "wine/debug.h"
  49
  50 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  51
  52 static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT("X11DRV_CritSection");
  53
  54 Screen *screen;
  55 Visual *visual;
  56 unsigned int screen_width;
  57 unsigned int screen_height;
  58 unsigned int screen_depth;
  59 Window root_window;
  60 int dxgrab, usedga, usexvidmode;
  61 int use_take_focus = 1;
  62 int managed_mode = 1;
  63
  64 unsigned int X11DRV_server_startticks;
  65
  66 static BOOL synchronous;  /* run in synchronous mode? */
  67 static char *desktop_geometry;
  68 static XVisualInfo *desktop_vi;
  69
  70 static x11drv_error_callback err_callback;   /* current callback for error */
  71 static Display *err_callback_display;        /* display callback is set for */
  72 static void *err_callback_arg;               /* error callback argument */
  73 static int err_callback_result;              /* error callback result */
  74 static int (*old_error_handler)( Display *, XErrorEvent * );
  75
  76 #define IS_OPTION_TRUE(ch) \
  77     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
  78 #define IS_OPTION_FALSE(ch) \
  79     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
  80
  81 /***********************************************************************
  82  *              X11DRV_expect_error
  83  *
  84  * Setup a callback function that will be called on an X error.  The
  85  * callback must return non-zero if the error is the one it expected.
  86  * This function acquires the x11 lock; X11DRV_check_error must be
  87  * called in all cases to release it.
  88  */
  89 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
  90 {
  91     wine_tsx11_lock();
  92     XSync( display, False );
  93     err_callback         = callback;
  94     err_callback_display = display;
  95     err_callback_arg     = arg;
  96     err_callback_result  = 0;
  97 }
  98
  99
 100 /***********************************************************************
 101  *              X11DRV_check_error
 102  *
 103  * Check if an expected X11 error occurred; return non-zero if yes.
 104  * Also release the x11 lock obtained in X11DRV_expect_error.
 105  */
 106 int X11DRV_check_error(void)
 107 {
 108     int ret;
 109     XSync( err_callback_display, False );
 110     err_callback = NULL;
 111     ret = err_callback_result;
 112     wine_tsx11_unlock();
 113     return ret;
 114 }
 115
 116
 117 /***********************************************************************
 118  *              error_handler
 119  */
 120 static int error_handler( Display *display, XErrorEvent *error_evt )
 121 {
 122     if (err_callback && display == err_callback_display)
 123     {
 124         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 125         {
 126             TRACE( "got expected error\n" );
 127             return 0;
 128         }
 129     }
 130     if (synchronous) DebugBreak();  /* force an entry in the debugger */
 131     old_error_handler( display, error_evt );
 132     return 0;
 133 }
 134
 135 /***********************************************************************
 136  *              wine_tsx11_lock   (X11DRV.@)
 137  */
 138 void wine_tsx11_lock(void)
 139 {
 140     EnterCriticalSection( &X11DRV_CritSection );
 141 }
 142
 143 /***********************************************************************
 144  *              wine_tsx11_unlock   (X11DRV.@)
 145  */
 146 void wine_tsx11_unlock(void)
 147 {
 148     LeaveCriticalSection( &X11DRV_CritSection );
 149 }
 150
 151 /***********************************************************************
 152  *              get_server_startup
 153  *
 154  * Get the server startup time
 155  * Won't be exact, but should be sufficient
 156  */
 157 static void get_server_startup(void)
 158 {
 159     struct timeval t;
 160     gettimeofday( &t, NULL );
 161     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 162 }
 163
 164
 165 /***********************************************************************
 166  *              get_config_key
 167  *
 168  * Get a config key from either the app-specific or the default config
 169  */
 170 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 171                                     char *buffer, DWORD size )
 172 {
 173     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 174     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 175 }
 176
 177
 178 /***********************************************************************
 179  *              setup_options
 180  *
 181  * Setup the x11drv options.
 182  */
 183 static void setup_options(void)
 184 {
 185     char buffer[MAX_PATH+16];
 186     HKEY hkey, appkey = 0;
 187     DWORD count;
 188
 189     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 190                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 191     {
 192         ERR("Cannot create config registry key\n" );
 193         ExitProcess(1);
 194     }
 195
 196     /* open the app-specific key */
 197
 198     if (GetModuleFileNameA( 0, buffer, MAX_PATH ))
 199     {
 200         HKEY tmpkey;
 201         char *p, *appname = buffer;
 202         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 203         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 204         strcat( appname, "\\x11drv" );
 205         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 206         {
 207             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 208             RegCloseKey( tmpkey );
 209         }
 210     }
 211
 212     /* get the display name */
 213
 214     strcpy( buffer, "DISPLAY=" );
 215     count = sizeof(buffer) - 8;
 216     if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
 217     {
 218         const char *display_name = getenv( "DISPLAY" );
 219         if (display_name && strcmp( buffer, display_name ))
 220             MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
 221                      buffer + 8 );
 222         putenv( strdup(buffer) );
 223     }
 224
 225     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 226     {
 227         /* Imperfect validation:  If Desktop=N, then we don't turn on
 228         ** the --desktop option.  We should really validate for a correct
 229         ** sizing entry */
 230         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 231     }
 232
 233     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 234         managed_mode = IS_OPTION_TRUE( buffer[0] );
 235
 236     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 237         dxgrab = IS_OPTION_TRUE( buffer[0] );
 238
 239     if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
 240         usedga = IS_OPTION_TRUE( buffer[0] );
 241
 242     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 243         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 244
 245     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 246         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 247
 248     screen_depth = 0;
 249     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 250         screen_depth = atoi(buffer);
 251
 252     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 253         synchronous = IS_OPTION_TRUE( buffer[0] );
 254
 255     if (appkey) RegCloseKey( appkey );
 256     RegCloseKey( hkey );
 257 }
 258
 259
 260 /***********************************************************************
 261  *           X11DRV process initialisation routine
 262  */
 263 static void process_attach(void)
 264 {
 265     Display *display;
 266
 267     get_server_startup();
 268     setup_options();
 269
 270     /* Open display */
 271
 272     if (!(display = TSXOpenDisplay( NULL )))
 273     {
 274         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 275         ExitProcess(1);
 276     }
 277     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 278     screen = DefaultScreenOfDisplay( display );
 279     visual = DefaultVisual( display, DefaultScreen(display) );
 280     root_window = DefaultRootWindow( display );
 281     old_error_handler = XSetErrorHandler( error_handler );
 282
 283     /* Initialize screen depth */
 284
 285     if (screen_depth)  /* depth specified */
 286     {
 287         int depth_count, i;
 288         int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
 289         for (i = 0; i < depth_count; i++)
 290             if (depth_list[i] == screen_depth) break;
 291         TSXFree( depth_list );
 292         if (i >= depth_count)
 293         {
 294             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 295             ExitProcess(1);
 296         }
 297     }
 298     else screen_depth = DefaultDepthOfScreen( screen );
 299
 300     /* If OpenGL is available, change the default visual, etc as necessary */
 301     if ((desktop_vi = X11DRV_setup_opengl_visual( display )))
 302     {
 303         visual       = desktop_vi->visual;
 304         screen       = ScreenOfDisplay(display, desktop_vi->screen);
 305         screen_depth = desktop_vi->depth;
 306     }
 307
 308     /* tell the libX11 that we will do input method handling ourselves
 309      * that keep libX11 from doing anything whith dead keys, allowing Wine
 310      * to have total control over dead keys, that is this line allows
 311      * them to work in Wine, even whith a libX11 including the dead key
 312      * patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
 313      */
 314     TSXOpenIM( display, NULL, NULL, NULL);
 315
 316     if (synchronous) XSynchronize( display, True );
 317
 318     screen_width  = WidthOfScreen( screen );
 319     screen_height = HeightOfScreen( screen );
 320
 321     if (desktop_geometry)
 322         root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
 323
 324     /* initialize GDI */
 325     if(!X11DRV_GDI_Initialize( display ))
 326     {
 327         ERR( "Couldn't Initialize GDI.\n" );
 328         ExitProcess(1);
 329     }
 330
 331 #ifdef HAVE_LIBXXF86VM
 332     /* initialize XVidMode */
 333     X11DRV_XF86VM_Init();
 334 #endif
 335 #ifdef HAVE_LIBXXF86DGA2
 336     /* initialize DGA2 */
 337     X11DRV_XF86DGA2_Init();
 338 #endif
 339 #ifdef HAVE_OPENGL
 340     /* initialize GLX */
 341     /*X11DRV_GLX_Init();*/
 342 #endif
 343
 344     /* load display.dll */
 345     LoadLibrary16( "display" );
 346 }
 347
 348
 349 /***********************************************************************
 350  *           X11DRV thread termination routine
 351  */
 352 static void thread_detach(void)
 353 {
 354     struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
 355
 356     if (data)
 357     {
 358         CloseHandle( data->display_fd );
 359         wine_tsx11_lock();
 360         XCloseDisplay( data->display );
 361         wine_tsx11_unlock();
 362         HeapFree( GetProcessHeap(), 0, data );
 363     }
 364 }
 365
 366
 367 /***********************************************************************
 368  *           X11DRV process termination routine
 369  */
 370 static void process_detach(void)
 371 {
 372 #ifdef HAVE_OPENGL
 373     /* cleanup GLX */
 374     /*X11DRV_GLX_Cleanup();*/
 375 #endif
 376 #ifdef HAVE_LIBXXF86DGA2
 377     /* cleanup DGA2 */
 378     X11DRV_XF86DGA2_Cleanup();
 379 #endif
 380 #ifdef HAVE_LIBXXF86VM
 381     /* cleanup XVidMode */
 382     X11DRV_XF86VM_Cleanup();
 383 #endif
 384
 385     /* FIXME: should detach all threads */
 386     thread_detach();
 387
 388     /* cleanup GDI */
 389     X11DRV_GDI_Finalize();
 390
 391     DeleteCriticalSection( &X11DRV_CritSection );
 392 }
 393
 394
 395 /***********************************************************************
 396  *           X11DRV thread initialisation routine
 397  */
 398 struct x11drv_thread_data *x11drv_init_thread_data(void)
 399 {
 400     struct x11drv_thread_data *data;
 401
 402     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 403     {
 404         ERR( "could not create data\n" );
 405         ExitProcess(1);
 406     }
 407     wine_tsx11_lock();
 408     if (!(data->display = XOpenDisplay(NULL)))
 409     {
 410         wine_tsx11_unlock();
 411         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 412         ExitProcess(1);
 413     }
 414     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 415     if (synchronous) XSynchronize( data->display, True );
 416     wine_tsx11_unlock();
 417     if (wine_server_fd_to_handle( ConnectionNumber(data->display), GENERIC_READ | SYNCHRONIZE,
 418                                   FALSE, &data->display_fd ))
 419     {
 420         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 421         ExitProcess(1);
 422     }
 423     data->process_event_count = 0;
 424     data->cursor = None;
 425     data->cursor_window = None;
 426     data->last_focus = 0;
 427     NtCurrentTeb()->driver_data = data;
 428     return data;
 429 }
 430
 431
 432 /***********************************************************************
 433  *           X11DRV initialisation routine
 434  */
 435 BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 436 {
 437     switch(reason)
 438     {
 439     case DLL_PROCESS_ATTACH:
 440         process_attach();
 441         break;
 442     case DLL_THREAD_DETACH:
 443         thread_detach();
 444         break;
 445     case DLL_PROCESS_DETACH:
 446         process_detach();
 447         break;
 448     }
 449     return TRUE;
 450 }
 451
 452 /***********************************************************************
 453  *              GetScreenSaveActive (X11DRV.@)
 454  *
 455  * Returns the active status of the screen saver
 456  */
 457 BOOL X11DRV_GetScreenSaveActive(void)
 458 {
 459     int timeout, temp;
 460     TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 461     return timeout != 0;
 462 }
 463
 464 /***********************************************************************
 465  *              SetScreenSaveActive (X11DRV.@)
 466  *
 467  * Activate/Deactivate the screen saver
 468  */
 469 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 470 {
 471     int timeout, interval, prefer_blanking, allow_exposures;
 472     static int last_timeout = 15 * 60;
 473
 474     TSXGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 475                       &allow_exposures);
 476     if (timeout) last_timeout = timeout;
 477
 478     timeout = bActivate ? last_timeout : 0;
 479     TSXSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 480                       allow_exposures);
 481 }