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 #ifdef HAVE_XKB
  37 #include <X11/XKBlib.h>
  38 #endif
  39
  40 #include "winbase.h"
  41 #include "wine/winbase16.h"
  42 #include "winreg.h"
  43
  44 #include "gdi.h"
  45 #include "user.h"
  46 #include "win.h"
  47 #include "x11drv.h"
  48 #include "xvidmode.h"
  49 #include "dga2.h"
  50 #include "wine/server.h"
  51 #include "wine/debug.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  54
  55 static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT("X11DRV_CritSection");
  56
  57 Screen *screen;
  58 Visual *visual;
  59 unsigned int screen_width;
  60 unsigned int screen_height;
  61 unsigned int screen_depth;
  62 Window root_window;
  63 DWORD desktop_tid = 0;
  64 int dxgrab, usedga, usexvidmode;
  65 int use_xkb = 1;
  66 int use_take_focus = 1;
  67 int managed_mode = 1;
  68 int client_side_with_core = 1;
  69 int client_side_with_render = 1;
  70 int client_side_antialias_with_core = 1;
  71 int client_side_antialias_with_render = 1;
  72
  73 unsigned int X11DRV_server_startticks;
  74
  75 static BOOL synchronous;  /* run in synchronous mode? */
  76 static BOOL desktop_dbl_buf;
  77 static char *desktop_geometry;
  78 static XVisualInfo *desktop_vi;
  79
  80 static x11drv_error_callback err_callback;   /* current callback for error */
  81 static Display *err_callback_display;        /* display callback is set for */
  82 static void *err_callback_arg;               /* error callback argument */
  83 static int err_callback_result;              /* error callback result */
  84 static int (*old_error_handler)( Display *, XErrorEvent * );
  85
  86 #define IS_OPTION_TRUE(ch) \
  87     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
  88 #define IS_OPTION_FALSE(ch) \
  89     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
  90
  91 /***********************************************************************
  92  *              X11DRV_expect_error
  93  *
  94  * Setup a callback function that will be called on an X error.  The
  95  * callback must return non-zero if the error is the one it expected.
  96  * This function acquires the x11 lock; X11DRV_check_error must be
  97  * called in all cases to release it.
  98  */
  99 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 100 {
 101     wine_tsx11_lock();
 102     XSync( display, False );
 103     err_callback         = callback;
 104     err_callback_display = display;
 105     err_callback_arg     = arg;
 106     err_callback_result  = 0;
 107 }
 108
 109
 110 /***********************************************************************
 111  *              X11DRV_check_error
 112  *
 113  * Check if an expected X11 error occurred; return non-zero if yes.
 114  * Also release the x11 lock obtained in X11DRV_expect_error.
 115  */
 116 int X11DRV_check_error(void)
 117 {
 118     int ret;
 119     XSync( err_callback_display, False );
 120     err_callback = NULL;
 121     ret = err_callback_result;
 122     wine_tsx11_unlock();
 123     return ret;
 124 }
 125
 126
 127 /***********************************************************************
 128  *              error_handler
 129  */
 130 static int error_handler( Display *display, XErrorEvent *error_evt )
 131 {
 132     if (err_callback && display == err_callback_display)
 133     {
 134         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 135         {
 136             TRACE( "got expected error\n" );
 137             return 0;
 138         }
 139     }
 140     if (synchronous) DebugBreak();  /* force an entry in the debugger */
 141     old_error_handler( display, error_evt );
 142     return 0;
 143 }
 144
 145 /***********************************************************************
 146  *              wine_tsx11_lock   (X11DRV.@)
 147  */
 148 void wine_tsx11_lock(void)
 149 {
 150     EnterCriticalSection( &X11DRV_CritSection );
 151 }
 152
 153 /***********************************************************************
 154  *              wine_tsx11_unlock   (X11DRV.@)
 155  */
 156 void wine_tsx11_unlock(void)
 157 {
 158     LeaveCriticalSection( &X11DRV_CritSection );
 159 }
 160
 161 /***********************************************************************
 162  *              get_server_startup
 163  *
 164  * Get the server startup time
 165  * Won't be exact, but should be sufficient
 166  */
 167 static void get_server_startup(void)
 168 {
 169     struct timeval t;
 170     gettimeofday( &t, NULL );
 171     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 172 }
 173
 174
 175 /***********************************************************************
 176  *              get_config_key
 177  *
 178  * Get a config key from either the app-specific or the default config
 179  */
 180 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 181                                     char *buffer, DWORD size )
 182 {
 183     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 184     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 185 }
 186
 187
 188 /***********************************************************************
 189  *              setup_options
 190  *
 191  * Setup the x11drv options.
 192  */
 193 static void setup_options(void)
 194 {
 195     char buffer[MAX_PATH+16];
 196     HKEY hkey, appkey = 0;
 197     DWORD count;
 198
 199     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 200                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 201     {
 202         ERR("Cannot create config registry key\n" );
 203         ExitProcess(1);
 204     }
 205
 206     /* open the app-specific key */
 207
 208     if (GetModuleFileNameA( 0, buffer, MAX_PATH ))
 209     {
 210         HKEY tmpkey;
 211         char *p, *appname = buffer;
 212         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 213         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 214         strcat( appname, "\\x11drv" );
 215         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 216         {
 217             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 218             RegCloseKey( tmpkey );
 219         }
 220     }
 221
 222     /* get the display name */
 223
 224     strcpy( buffer, "DISPLAY=" );
 225     count = sizeof(buffer) - 8;
 226     if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
 227     {
 228         const char *display_name = getenv( "DISPLAY" );
 229         if (display_name && strcmp( buffer, display_name ))
 230             MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
 231                      buffer + 8 );
 232         putenv( strdup(buffer) );
 233     }
 234
 235     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 236     {
 237         /* Imperfect validation:  If Desktop=N, then we don't turn on
 238         ** the --desktop option.  We should really validate for a correct
 239         ** sizing entry */
 240         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 241     }
 242
 243     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 244         managed_mode = IS_OPTION_TRUE( buffer[0] );
 245
 246     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 247         dxgrab = IS_OPTION_TRUE( buffer[0] );
 248
 249     if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
 250         usedga = IS_OPTION_TRUE( buffer[0] );
 251
 252     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 253         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 254
 255     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 256         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 257
 258     screen_depth = 0;
 259     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 260         screen_depth = atoi(buffer);
 261
 262     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 263         synchronous = IS_OPTION_TRUE( buffer[0] );
 264
 265     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 266         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 267
 268     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 269         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 270
 271     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 272         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 273
 274     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 275         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 276
 277     if (!get_config_key( hkey, appkey, "DesktopDoubleBuffered", buffer, sizeof(buffer) ))
 278         desktop_dbl_buf = IS_OPTION_TRUE( buffer[0] );
 279
 280     if (appkey) RegCloseKey( appkey );
 281     RegCloseKey( hkey );
 282 }
 283
 284
 285 /***********************************************************************
 286  *           X11DRV process initialisation routine
 287  */
 288 static void process_attach(void)
 289 {
 290     Display *display;
 291
 292     get_server_startup();
 293     setup_options();
 294
 295     /* Open display */
 296
 297     if (!(display = TSXOpenDisplay( NULL )))
 298     {
 299         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 300         ExitProcess(1);
 301     }
 302     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 303     screen = DefaultScreenOfDisplay( display );
 304     visual = DefaultVisual( display, DefaultScreen(display) );
 305     root_window = DefaultRootWindow( display );
 306     old_error_handler = XSetErrorHandler( error_handler );
 307
 308     /* Initialize screen depth */
 309
 310     if (screen_depth)  /* depth specified */
 311     {
 312         int depth_count, i;
 313         int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
 314         for (i = 0; i < depth_count; i++)
 315             if (depth_list[i] == screen_depth) break;
 316         TSXFree( depth_list );
 317         if (i >= depth_count)
 318         {
 319             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 320             ExitProcess(1);
 321         }
 322     }
 323     else screen_depth = DefaultDepthOfScreen( screen );
 324
 325     /* check for Xkb extension */
 326 #ifdef HAVE_XKB
 327     if (use_xkb)
 328     {
 329         int xkb_opcode, xkb_event, xkb_error;
 330         int xkb_major = XkbMajorVersion, xkb_minor = XkbMinorVersion;
 331
 332         use_xkb = XkbQueryExtension(display, &xkb_opcode, &xkb_event, &xkb_error,
 333                                     &xkb_major, &xkb_minor);
 334         if (use_xkb) /* we have XKB, approximate Windows behaviour */
 335             XkbSetDetectableAutoRepeat(display, True, NULL);
 336     }
 337 #endif
 338
 339     /* Initialize OpenGL */
 340     X11DRV_OpenGL_Init(display);
 341
 342     /* If OpenGL is available, change the default visual, etc as necessary */
 343     if (desktop_dbl_buf && (desktop_vi = X11DRV_setup_opengl_visual( display )))
 344     {
 345         visual       = desktop_vi->visual;
 346         screen       = ScreenOfDisplay(display, desktop_vi->screen);
 347         screen_depth = desktop_vi->depth;
 348     }
 349
 350     if (synchronous) XSynchronize( display, True );
 351
 352     screen_width  = WidthOfScreen( screen );
 353     screen_height = HeightOfScreen( screen );
 354
 355     if (desktop_geometry)
 356         root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
 357
 358     /* initialize GDI */
 359     if(!X11DRV_GDI_Initialize( display ))
 360     {
 361         ERR( "Couldn't Initialize GDI.\n" );
 362         ExitProcess(1);
 363     }
 364
 365 #ifdef HAVE_LIBXXF86VM
 366     /* initialize XVidMode */
 367     X11DRV_XF86VM_Init();
 368 #endif
 369 #ifdef HAVE_LIBXXF86DGA2
 370     /* initialize DGA2 */
 371     X11DRV_XF86DGA2_Init();
 372 #endif
 373
 374     /* load display.dll */
 375     LoadLibrary16( "display" );
 376 }
 377
 378
 379 /***********************************************************************
 380  *           X11DRV thread termination routine
 381  */
 382 static void thread_detach(void)
 383 {
 384     struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
 385
 386     if (data)
 387     {
 388         CloseHandle( data->display_fd );
 389         wine_tsx11_lock();
 390         XCloseDisplay( data->display );
 391         /* if (data->xim) XCloseIM( data->xim ); */ /* crashes Xlib */
 392         wine_tsx11_unlock();
 393         HeapFree( GetProcessHeap(), 0, data );
 394     }
 395 }
 396
 397
 398 /***********************************************************************
 399  *           X11DRV process termination routine
 400  */
 401 static void process_detach(void)
 402 {
 403 #ifdef HAVE_LIBXXF86DGA2
 404     /* cleanup DGA2 */
 405     X11DRV_XF86DGA2_Cleanup();
 406 #endif
 407 #ifdef HAVE_LIBXXF86VM
 408     /* cleanup XVidMode */
 409     X11DRV_XF86VM_Cleanup();
 410 #endif
 411     if(using_client_side_fonts)
 412         X11DRV_XRender_Finalize();
 413
 414     /* FIXME: should detach all threads */
 415     thread_detach();
 416
 417     /* cleanup GDI */
 418     X11DRV_GDI_Finalize();
 419
 420     DeleteCriticalSection( &X11DRV_CritSection );
 421 }
 422
 423
 424 /***********************************************************************
 425  *           X11DRV thread initialisation routine
 426  */
 427 struct x11drv_thread_data *x11drv_init_thread_data(void)
 428 {
 429     struct x11drv_thread_data *data;
 430
 431     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 432     {
 433         ERR( "could not create data\n" );
 434         ExitProcess(1);
 435     }
 436     wine_tsx11_lock();
 437     if (!(data->display = XOpenDisplay(NULL)))
 438     {
 439         wine_tsx11_unlock();
 440         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 441         ExitProcess(1);
 442     }
 443     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 444
 445     if (!(data->xim = XOpenIM( data->display, NULL, NULL, NULL )))
 446         WARN("Can't open input method\n");
 447
 448 #ifdef HAVE_XKB
 449     if (use_xkb) XkbSetDetectableAutoRepeat( data->display, True, NULL );
 450 #endif
 451
 452     if (synchronous) XSynchronize( data->display, True );
 453     wine_tsx11_unlock();
 454     if (wine_server_fd_to_handle( ConnectionNumber(data->display), GENERIC_READ | SYNCHRONIZE,
 455                                   FALSE, &data->display_fd ))
 456     {
 457         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 458         ExitProcess(1);
 459     }
 460     data->process_event_count = 0;
 461     data->cursor = None;
 462     data->cursor_window = None;
 463     data->last_focus = 0;
 464     NtCurrentTeb()->driver_data = data;
 465     if (desktop_tid) AttachThreadInput( GetCurrentThreadId(), desktop_tid, TRUE );
 466     return data;
 467 }
 468
 469
 470 /***********************************************************************
 471  *           X11DRV initialisation routine
 472  */
 473 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 474 {
 475     switch(reason)
 476     {
 477     case DLL_PROCESS_ATTACH:
 478         process_attach();
 479         break;
 480     case DLL_THREAD_DETACH:
 481         thread_detach();
 482         break;
 483     case DLL_PROCESS_DETACH:
 484         process_detach();
 485         break;
 486     }
 487     return TRUE;
 488 }
 489
 490 /***********************************************************************
 491  *              GetScreenSaveActive (X11DRV.@)
 492  *
 493  * Returns the active status of the screen saver
 494  */
 495 BOOL X11DRV_GetScreenSaveActive(void)
 496 {
 497     int timeout, temp;
 498     TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 499     return timeout != 0;
 500 }
 501
 502 /***********************************************************************
 503  *              SetScreenSaveActive (X11DRV.@)
 504  *
 505  * Activate/Deactivate the screen saver
 506  */
 507 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 508 {
 509     int timeout, interval, prefer_blanking, allow_exposures;
 510     static int last_timeout = 15 * 60;
 511
 512     TSXGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 513                       &allow_exposures);
 514     if (timeout) last_timeout = timeout;
 515
 516     timeout = bActivate ? last_timeout : 0;
 517     TSXSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 518                       allow_exposures);
 519 }