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 <stdarg.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #ifdef HAVE_SYS_TIME_H
  30 # include <sys/time.h>
  31 #endif
  32 #ifdef HAVE_UNISTD_H
  33 # include <unistd.h>
  34 #endif
  35 #include <X11/cursorfont.h>
  36 #include <X11/Xlib.h>
  37 #ifdef HAVE_XKB
  38 #include <X11/XKBlib.h>
  39 #endif
  40
  41 #define BOOL X_BOOL
  42 #define BYTE X_BYTE
  43 #define INT8 X_INT8
  44 #define INT16 X_INT16
  45 #define INT32 X_INT32
  46 #include <X11/Xproto.h>
  47 #undef BOOL
  48 #undef BYTE
  49 #undef INT8
  50 #undef INT16
  51 #undef INT32
  52
  53 #include "windef.h"
  54 #include "winbase.h"
  55 #include "wine/winbase16.h"
  56 #include "winreg.h"
  57
  58 #include "user.h"
  59 #include "win.h"
  60 #include "x11drv.h"
  61 #include "xvidmode.h"
  62 #include "xrandr.h"
  63 #include "dga2.h"
  64 #include "wine/server.h"
  65 #include "wine/debug.h"
  66
  67 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  68
  69 static CRITICAL_SECTION X11DRV_CritSection;
  70 static CRITICAL_SECTION_DEBUG critsect_debug =
  71 {
  72     0, 0, &X11DRV_CritSection,
  73     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  74       0, 0, { 0, (DWORD)(__FILE__ ": X11DRV_CritSection") }
  75 };
  76 static CRITICAL_SECTION X11DRV_CritSection = { &critsect_debug, -1, 0, 0, 0, 0 };
  77
  78 Screen *screen;
  79 Visual *visual;
  80 unsigned int screen_width;
  81 unsigned int screen_height;
  82 unsigned int screen_depth;
  83 Window root_window;
  84 DWORD desktop_tid = 0;
  85 int dxgrab, usedga, usexvidmode, usexrandr;
  86 int use_xkb = 1;
  87 int use_take_focus = 1;
  88 int managed_mode = 1;
  89 int client_side_with_core = 1;
  90 int client_side_with_render = 1;
  91 int client_side_antialias_with_core = 1;
  92 int client_side_antialias_with_render = 1;
  93
  94 unsigned int X11DRV_server_startticks;
  95
  96 static BOOL synchronous;  /* run in synchronous mode? */
  97 static BOOL desktop_dbl_buf;
  98 static char *desktop_geometry;
  99 static XVisualInfo *desktop_vi;
 100
 101 static x11drv_error_callback err_callback;   /* current callback for error */
 102 static Display *err_callback_display;        /* display callback is set for */
 103 static void *err_callback_arg;               /* error callback argument */
 104 static int err_callback_result;              /* error callback result */
 105 static unsigned long err_serial;             /* serial number of first request */
 106 static int (*old_error_handler)( Display *, XErrorEvent * );
 107 static int use_xim = 1;
 108 static char input_style[20];
 109
 110 #define IS_OPTION_TRUE(ch) \
 111     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
 112 #define IS_OPTION_FALSE(ch) \
 113     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
 114
 115 /***********************************************************************
 116  *              ignore_error
 117  *
 118  * Check if the X error is one we can ignore.
 119  */
 120 static inline BOOL ignore_error( Display *display, XErrorEvent *event )
 121 {
 122     if (event->request_code == X_SetInputFocus && event->error_code == BadMatch) return TRUE;
 123     return FALSE;
 124 }
 125
 126
 127 /***********************************************************************
 128  *              X11DRV_expect_error
 129  *
 130  * Setup a callback function that will be called on an X error.  The
 131  * callback must return non-zero if the error is the one it expected.
 132  * This function acquires the x11 lock; X11DRV_check_error must be
 133  * called in all cases to release it.
 134  */
 135 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 136 {
 137     wine_tsx11_lock();
 138     err_callback         = callback;
 139     err_callback_display = display;
 140     err_callback_arg     = arg;
 141     err_callback_result  = 0;
 142     err_serial           = NextRequest(display);
 143 }
 144
 145
 146 /***********************************************************************
 147  *              X11DRV_check_error
 148  *
 149  * Check if an expected X11 error occurred; return non-zero if yes.
 150  * Also release the x11 lock obtained in X11DRV_expect_error.
 151  * The caller is responsible for calling XSync first if necessary.
 152  */
 153 int X11DRV_check_error(void)
 154 {
 155     int ret;
 156     err_callback = NULL;
 157     ret = err_callback_result;
 158     wine_tsx11_unlock();
 159     return ret;
 160 }
 161
 162
 163 /***********************************************************************
 164  *              error_handler
 165  */
 166 static int error_handler( Display *display, XErrorEvent *error_evt )
 167 {
 168     if (err_callback && display == err_callback_display &&
 169         (long)(error_evt->serial - err_serial) >= 0)
 170     {
 171         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 172         {
 173             TRACE( "got expected error %d req %d\n",
 174                    error_evt->error_code, error_evt->request_code );
 175             return 0;
 176         }
 177     }
 178     if (ignore_error( display, error_evt ))
 179     {
 180         TRACE( "got ignored error %d req %d\n",
 181                error_evt->error_code, error_evt->request_code );
 182         return 0;
 183     }
 184     if (synchronous) DebugBreak();  /* force an entry in the debugger */
 185     old_error_handler( display, error_evt );
 186     return 0;
 187 }
 188
 189 /***********************************************************************
 190  *              wine_tsx11_lock   (X11DRV.@)
 191  */
 192 void wine_tsx11_lock(void)
 193 {
 194     EnterCriticalSection( &X11DRV_CritSection );
 195 }
 196
 197 /***********************************************************************
 198  *              wine_tsx11_unlock   (X11DRV.@)
 199  */
 200 void wine_tsx11_unlock(void)
 201 {
 202     LeaveCriticalSection( &X11DRV_CritSection );
 203 }
 204
 205 /***********************************************************************
 206  *              get_server_startup
 207  *
 208  * Get the server startup time
 209  * Won't be exact, but should be sufficient
 210  */
 211 static void get_server_startup(void)
 212 {
 213     struct timeval t;
 214     gettimeofday( &t, NULL );
 215     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 216 }
 217
 218
 219 /***********************************************************************
 220  *              get_config_key
 221  *
 222  * Get a config key from either the app-specific or the default config
 223  */
 224 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 225                                     char *buffer, DWORD size )
 226 {
 227     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 228     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 229 }
 230
 231
 232 /***********************************************************************
 233  *              setup_options
 234  *
 235  * Setup the x11drv options.
 236  */
 237 static void setup_options(void)
 238 {
 239     char buffer[MAX_PATH+16];
 240     HKEY hkey, appkey = 0;
 241
 242     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 243                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 244     {
 245         ERR("Cannot create config registry key\n" );
 246         ExitProcess(1);
 247     }
 248
 249     /* open the app-specific key */
 250
 251     if (GetModuleFileNameA( 0, buffer, MAX_PATH ))
 252     {
 253         HKEY tmpkey;
 254         char *p, *appname = buffer;
 255         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 256         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 257         strcat( appname, "\\x11drv" );
 258         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 259         {
 260             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 261             RegCloseKey( tmpkey );
 262         }
 263     }
 264
 265     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 266     {
 267         /* Imperfect validation:  If Desktop=N, then we don't turn on
 268         ** the --desktop option.  We should really validate for a correct
 269         ** sizing entry */
 270         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 271     }
 272
 273     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 274         managed_mode = IS_OPTION_TRUE( buffer[0] );
 275
 276     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 277         dxgrab = IS_OPTION_TRUE( buffer[0] );
 278
 279     if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
 280         usedga = IS_OPTION_TRUE( buffer[0] );
 281
 282     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 283         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 284
 285     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 286         usexrandr = IS_OPTION_TRUE( buffer[0] );
 287
 288     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 289         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 290
 291     screen_depth = 0;
 292     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 293         screen_depth = atoi(buffer);
 294
 295     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 296         synchronous = IS_OPTION_TRUE( buffer[0] );
 297
 298     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 299         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 300
 301     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 302         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 303
 304     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 305         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 306
 307     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 308         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 309
 310     if (!get_config_key( hkey, appkey, "DesktopDoubleBuffered", buffer, sizeof(buffer) ))
 311         desktop_dbl_buf = IS_OPTION_TRUE( buffer[0] );
 312
 313     if (!get_config_key( hkey, appkey, "UseXIM", buffer, sizeof(buffer) ))
 314         use_xim = IS_OPTION_TRUE( buffer[0] );
 315
 316     get_config_key( hkey, appkey, "InputStyle", input_style, sizeof(input_style) );
 317
 318     if (appkey) RegCloseKey( appkey );
 319     RegCloseKey( hkey );
 320 }
 321
 322
 323 /***********************************************************************
 324  *           X11DRV process initialisation routine
 325  */
 326 static void process_attach(void)
 327 {
 328     Display *display;
 329
 330     get_server_startup();
 331     setup_options();
 332
 333     /* Open display */
 334
 335     if (!(display = XOpenDisplay( NULL )))
 336     {
 337         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 338         MESSAGE( "Please ensure that your X server is running and that $DISPLAY is set correctly.\n" );
 339         ExitProcess(1);
 340     }
 341     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 342     screen = DefaultScreenOfDisplay( display );
 343     visual = DefaultVisual( display, DefaultScreen(display) );
 344     root_window = DefaultRootWindow( display );
 345     old_error_handler = XSetErrorHandler( error_handler );
 346
 347     /* Initialize screen depth */
 348
 349     if (screen_depth)  /* depth specified */
 350     {
 351         int depth_count, i;
 352         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 353         for (i = 0; i < depth_count; i++)
 354             if (depth_list[i] == screen_depth) break;
 355         XFree( depth_list );
 356         if (i >= depth_count)
 357         {
 358             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 359             ExitProcess(1);
 360         }
 361     }
 362     else screen_depth = DefaultDepthOfScreen( screen );
 363
 364     /* Initialize OpenGL */
 365     X11DRV_OpenGL_Init(display);
 366
 367     /* If OpenGL is available, change the default visual, etc as necessary */
 368     if (desktop_dbl_buf && (desktop_vi = X11DRV_setup_opengl_visual( display )))
 369     {
 370         visual       = desktop_vi->visual;
 371         screen       = ScreenOfDisplay(display, desktop_vi->screen);
 372         screen_depth = desktop_vi->depth;
 373     }
 374
 375     if (synchronous) XSynchronize( display, True );
 376
 377     screen_width  = WidthOfScreen( screen );
 378     screen_height = HeightOfScreen( screen );
 379
 380     X11DRV_Settings_Init();
 381
 382     if (desktop_geometry)
 383         root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
 384
 385     /* initialize GDI */
 386     if(!X11DRV_GDI_Initialize( display ))
 387     {
 388         ERR( "Couldn't Initialize GDI.\n" );
 389         ExitProcess(1);
 390     }
 391
 392 #ifdef HAVE_LIBXXF86VM
 393     /* initialize XVidMode */
 394     X11DRV_XF86VM_Init();
 395 #endif
 396 #ifdef HAVE_LIBXRANDR
 397     /* initialize XRandR */
 398     X11DRV_XRandR_Init();
 399 #endif
 400 #ifdef HAVE_LIBXXF86DGA2
 401     /* initialize DGA2 */
 402     X11DRV_XF86DGA2_Init();
 403 #endif
 404 }
 405
 406
 407 /***********************************************************************
 408  *           X11DRV thread termination routine
 409  */
 410 static void thread_detach(void)
 411 {
 412     struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
 413
 414     if (data)
 415     {
 416         CloseHandle( data->display_fd );
 417         wine_tsx11_lock();
 418         XCloseDisplay( data->display );
 419         /* if (data->xim) XCloseIM( data->xim ); */ /* crashes Xlib */
 420         wine_tsx11_unlock();
 421         HeapFree( GetProcessHeap(), 0, data );
 422     }
 423 }
 424
 425
 426 /***********************************************************************
 427  *           X11DRV process termination routine
 428  */
 429 static void process_detach(void)
 430 {
 431 #ifdef HAVE_LIBXXF86DGA2
 432     /* cleanup DGA2 */
 433     X11DRV_XF86DGA2_Cleanup();
 434 #endif
 435 #ifdef HAVE_LIBXXF86VM
 436     /* cleanup XVidMode */
 437     X11DRV_XF86VM_Cleanup();
 438 #endif
 439     if(using_client_side_fonts)
 440         X11DRV_XRender_Finalize();
 441
 442     /* FIXME: should detach all threads */
 443     thread_detach();
 444
 445     /* cleanup GDI */
 446     X11DRV_GDI_Finalize();
 447
 448     DeleteCriticalSection( &X11DRV_CritSection );
 449 }
 450
 451
 452 /***********************************************************************
 453  *           X11DRV thread initialisation routine
 454  */
 455 struct x11drv_thread_data *x11drv_init_thread_data(void)
 456 {
 457     struct x11drv_thread_data *data;
 458
 459     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 460     {
 461         ERR( "could not create data\n" );
 462         ExitProcess(1);
 463     }
 464     wine_tsx11_lock();
 465     if (!(data->display = XOpenDisplay(NULL)))
 466     {
 467         wine_tsx11_unlock();
 468         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 469         MESSAGE( "Please ensure that your X server is running and that $DISPLAY is set correctly.\n" );
 470         ExitProcess(1);
 471     }
 472
 473     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 474
 475 #ifdef HAVE_XKB
 476     if (use_xkb)
 477     {
 478         use_xkb = XkbUseExtension( data->display, NULL, NULL );
 479         if (use_xkb) XkbSetDetectableAutoRepeat( data->display, True, NULL );
 480     }
 481 #endif
 482
 483     if (synchronous) XSynchronize( data->display, True );
 484     wine_tsx11_unlock();
 485
 486     if (use_xim && !(data->xim = X11DRV_SetupXIM( data->display, input_style )))
 487         WARN("Input Method is not available\n");
 488
 489     if (wine_server_fd_to_handle( ConnectionNumber(data->display), GENERIC_READ | SYNCHRONIZE,
 490                                   FALSE, &data->display_fd ))
 491     {
 492         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 493         ExitProcess(1);
 494     }
 495     data->process_event_count = 0;
 496     data->cursor = None;
 497     data->cursor_window = None;
 498     data->last_focus = 0;
 499     NtCurrentTeb()->driver_data = data;
 500     if (desktop_tid) AttachThreadInput( GetCurrentThreadId(), desktop_tid, TRUE );
 501     return data;
 502 }
 503
 504
 505 /***********************************************************************
 506  *           X11DRV initialisation routine
 507  */
 508 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 509 {
 510     switch(reason)
 511     {
 512     case DLL_PROCESS_ATTACH:
 513         process_attach();
 514         break;
 515     case DLL_THREAD_DETACH:
 516         thread_detach();
 517         break;
 518     case DLL_PROCESS_DETACH:
 519         process_detach();
 520         break;
 521     }
 522     return TRUE;
 523 }
 524
 525 /***********************************************************************
 526  *              GetScreenSaveActive (X11DRV.@)
 527  *
 528  * Returns the active status of the screen saver
 529  */
 530 BOOL X11DRV_GetScreenSaveActive(void)
 531 {
 532     int timeout, temp;
 533     wine_tsx11_lock();
 534     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 535     wine_tsx11_unlock();
 536     return timeout != 0;
 537 }
 538
 539 /***********************************************************************
 540  *              SetScreenSaveActive (X11DRV.@)
 541  *
 542  * Activate/Deactivate the screen saver
 543  */
 544 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 545 {
 546     int timeout, interval, prefer_blanking, allow_exposures;
 547     static int last_timeout = 15 * 60;
 548
 549     wine_tsx11_lock();
 550     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 551                     &allow_exposures);
 552     if (timeout) last_timeout = timeout;
 553
 554     timeout = bActivate ? last_timeout : 0;
 555     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 556                     allow_exposures);
 557     wine_tsx11_unlock();
 558 }