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 "gdi.h"
  59 #include "user.h"
  60 #include "win.h"
  61 #include "x11drv.h"
  62 #include "xvidmode.h"
  63 #include "xrandr.h"
  64 #include "dga2.h"
  65 #include "wine/server.h"
  66 #include "wine/debug.h"
  67
  68 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  69
  70 static CRITICAL_SECTION X11DRV_CritSection;
  71 static CRITICAL_SECTION_DEBUG critsect_debug =
  72 {
  73     0, 0, &X11DRV_CritSection,
  74     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  75       0, 0, { 0, (DWORD)(__FILE__ ": X11DRV_CritSection") }
  76 };
  77 static CRITICAL_SECTION X11DRV_CritSection = { &critsect_debug, -1, 0, 0, 0, 0 };
  78
  79 Screen *screen;
  80 Visual *visual;
  81 unsigned int screen_width;
  82 unsigned int screen_height;
  83 unsigned int screen_depth;
  84 Window root_window;
  85 DWORD desktop_tid = 0;
  86 int dxgrab, usedga, usexvidmode, usexrandr;
  87 int use_xkb = 1;
  88 int use_take_focus = 1;
  89 int managed_mode = 1;
  90 int client_side_with_core = 1;
  91 int client_side_with_render = 1;
  92 int client_side_antialias_with_core = 1;
  93 int client_side_antialias_with_render = 1;
  94
  95 unsigned int X11DRV_server_startticks;
  96
  97 static BOOL synchronous;  /* run in synchronous mode? */
  98 static BOOL desktop_dbl_buf;
  99 static char *desktop_geometry;
 100 static XVisualInfo *desktop_vi;
 101
 102 static x11drv_error_callback err_callback;   /* current callback for error */
 103 static Display *err_callback_display;        /* display callback is set for */
 104 static void *err_callback_arg;               /* error callback argument */
 105 static int err_callback_result;              /* error callback result */
 106 static unsigned long err_serial;             /* serial number of first request */
 107 static int (*old_error_handler)( Display *, XErrorEvent * );
 108
 109 #define IS_OPTION_TRUE(ch) \
 110     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
 111 #define IS_OPTION_FALSE(ch) \
 112     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
 113
 114 /***********************************************************************
 115  *              ignore_error
 116  *
 117  * Check if the X error is one we can ignore.
 118  */
 119 static inline BOOL ignore_error( Display *display, XErrorEvent *event )
 120 {
 121     if (event->request_code == X_SetInputFocus && event->error_code == BadMatch) return TRUE;
 122     return FALSE;
 123 }
 124
 125
 126 /***********************************************************************
 127  *              X11DRV_expect_error
 128  *
 129  * Setup a callback function that will be called on an X error.  The
 130  * callback must return non-zero if the error is the one it expected.
 131  * This function acquires the x11 lock; X11DRV_check_error must be
 132  * called in all cases to release it.
 133  */
 134 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 135 {
 136     wine_tsx11_lock();
 137     err_callback         = callback;
 138     err_callback_display = display;
 139     err_callback_arg     = arg;
 140     err_callback_result  = 0;
 141     err_serial           = NextRequest(display);
 142 }
 143
 144
 145 /***********************************************************************
 146  *              X11DRV_check_error
 147  *
 148  * Check if an expected X11 error occurred; return non-zero if yes.
 149  * Also release the x11 lock obtained in X11DRV_expect_error.
 150  * The caller is responsible for calling XSync first if necessary.
 151  */
 152 int X11DRV_check_error(void)
 153 {
 154     int ret;
 155     err_callback = NULL;
 156     ret = err_callback_result;
 157     wine_tsx11_unlock();
 158     return ret;
 159 }
 160
 161
 162 /***********************************************************************
 163  *              error_handler
 164  */
 165 static int error_handler( Display *display, XErrorEvent *error_evt )
 166 {
 167     if (err_callback && display == err_callback_display &&
 168         (long)(error_evt->serial - err_serial) >= 0)
 169     {
 170         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 171         {
 172             TRACE( "got expected error %d req %d\n",
 173                    error_evt->error_code, error_evt->request_code );
 174             return 0;
 175         }
 176     }
 177     if (ignore_error( display, error_evt ))
 178     {
 179         TRACE( "got ignored error %d req %d\n",
 180                error_evt->error_code, error_evt->request_code );
 181         return 0;
 182     }
 183     if (synchronous) DebugBreak();  /* force an entry in the debugger */
 184     old_error_handler( display, error_evt );
 185     return 0;
 186 }
 187
 188 /***********************************************************************
 189  *              wine_tsx11_lock   (X11DRV.@)
 190  */
 191 void wine_tsx11_lock(void)
 192 {
 193     EnterCriticalSection( &X11DRV_CritSection );
 194 }
 195
 196 /***********************************************************************
 197  *              wine_tsx11_unlock   (X11DRV.@)
 198  */
 199 void wine_tsx11_unlock(void)
 200 {
 201     LeaveCriticalSection( &X11DRV_CritSection );
 202 }
 203
 204 /***********************************************************************
 205  *              get_server_startup
 206  *
 207  * Get the server startup time
 208  * Won't be exact, but should be sufficient
 209  */
 210 static void get_server_startup(void)
 211 {
 212     struct timeval t;
 213     gettimeofday( &t, NULL );
 214     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 215 }
 216
 217
 218 /***********************************************************************
 219  *              get_config_key
 220  *
 221  * Get a config key from either the app-specific or the default config
 222  */
 223 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 224                                     char *buffer, DWORD size )
 225 {
 226     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 227     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 228 }
 229
 230
 231 /***********************************************************************
 232  *              setup_options
 233  *
 234  * Setup the x11drv options.
 235  */
 236 static void setup_options(void)
 237 {
 238     char buffer[MAX_PATH+16];
 239     HKEY hkey, appkey = 0;
 240     DWORD count;
 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     /* get the display name */
 266
 267     strcpy( buffer, "DISPLAY=" );
 268     count = sizeof(buffer) - 8;
 269     if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
 270     {
 271         const char *display_name = getenv( "DISPLAY" );
 272         if (display_name && strcmp( buffer, display_name ))
 273             MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
 274                      buffer + 8 );
 275         putenv( strdup(buffer) );
 276     }
 277
 278     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 279     {
 280         /* Imperfect validation:  If Desktop=N, then we don't turn on
 281         ** the --desktop option.  We should really validate for a correct
 282         ** sizing entry */
 283         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 284     }
 285
 286     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 287         managed_mode = IS_OPTION_TRUE( buffer[0] );
 288
 289     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 290         dxgrab = IS_OPTION_TRUE( buffer[0] );
 291
 292     if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
 293         usedga = IS_OPTION_TRUE( buffer[0] );
 294
 295     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 296         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 297
 298     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 299         usexrandr = IS_OPTION_TRUE( buffer[0] );
 300
 301     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 302         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 303
 304     screen_depth = 0;
 305     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 306         screen_depth = atoi(buffer);
 307
 308     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 309         synchronous = IS_OPTION_TRUE( buffer[0] );
 310
 311     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 312         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 313
 314     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 315         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 316
 317     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 318         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 319
 320     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 321         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 322
 323     if (!get_config_key( hkey, appkey, "DesktopDoubleBuffered", buffer, sizeof(buffer) ))
 324         desktop_dbl_buf = IS_OPTION_TRUE( buffer[0] );
 325
 326     if (appkey) RegCloseKey( appkey );
 327     RegCloseKey( hkey );
 328 }
 329
 330
 331 /***********************************************************************
 332  *           X11DRV process initialisation routine
 333  */
 334 static void process_attach(void)
 335 {
 336     Display *display;
 337
 338     get_server_startup();
 339     setup_options();
 340
 341     /* Open display */
 342
 343     if (!(display = XOpenDisplay( NULL )))
 344     {
 345         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 346         ExitProcess(1);
 347     }
 348     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 349     screen = DefaultScreenOfDisplay( display );
 350     visual = DefaultVisual( display, DefaultScreen(display) );
 351     root_window = DefaultRootWindow( display );
 352     old_error_handler = XSetErrorHandler( error_handler );
 353
 354     /* Initialize screen depth */
 355
 356     if (screen_depth)  /* depth specified */
 357     {
 358         int depth_count, i;
 359         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 360         for (i = 0; i < depth_count; i++)
 361             if (depth_list[i] == screen_depth) break;
 362         XFree( depth_list );
 363         if (i >= depth_count)
 364         {
 365             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 366             ExitProcess(1);
 367         }
 368     }
 369     else screen_depth = DefaultDepthOfScreen( screen );
 370
 371     /* Initialize OpenGL */
 372     X11DRV_OpenGL_Init(display);
 373
 374     /* If OpenGL is available, change the default visual, etc as necessary */
 375     if (desktop_dbl_buf && (desktop_vi = X11DRV_setup_opengl_visual( display )))
 376     {
 377         visual       = desktop_vi->visual;
 378         screen       = ScreenOfDisplay(display, desktop_vi->screen);
 379         screen_depth = desktop_vi->depth;
 380     }
 381
 382     if (synchronous) XSynchronize( display, True );
 383
 384     screen_width  = WidthOfScreen( screen );
 385     screen_height = HeightOfScreen( screen );
 386
 387     X11DRV_Settings_Init();
 388
 389     if (desktop_geometry)
 390         root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
 391
 392     /* initialize GDI */
 393     if(!X11DRV_GDI_Initialize( display ))
 394     {
 395         ERR( "Couldn't Initialize GDI.\n" );
 396         ExitProcess(1);
 397     }
 398
 399 #ifdef HAVE_LIBXXF86VM
 400     /* initialize XVidMode */
 401     X11DRV_XF86VM_Init();
 402 #endif
 403 #ifdef HAVE_LIBXRANDR
 404     /* initialize XRandR */
 405     X11DRV_XRandR_Init();
 406 #endif
 407 #ifdef HAVE_LIBXXF86DGA2
 408     /* initialize DGA2 */
 409     X11DRV_XF86DGA2_Init();
 410 #endif
 411 }
 412
 413
 414 /***********************************************************************
 415  *           X11DRV thread termination routine
 416  */
 417 static void thread_detach(void)
 418 {
 419     struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
 420
 421     if (data)
 422     {
 423         CloseHandle( data->display_fd );
 424         wine_tsx11_lock();
 425         XCloseDisplay( data->display );
 426         /* if (data->xim) XCloseIM( data->xim ); */ /* crashes Xlib */
 427         wine_tsx11_unlock();
 428         HeapFree( GetProcessHeap(), 0, data );
 429     }
 430 }
 431
 432
 433 /***********************************************************************
 434  *           X11DRV process termination routine
 435  */
 436 static void process_detach(void)
 437 {
 438 #ifdef HAVE_LIBXXF86DGA2
 439     /* cleanup DGA2 */
 440     X11DRV_XF86DGA2_Cleanup();
 441 #endif
 442 #ifdef HAVE_LIBXXF86VM
 443     /* cleanup XVidMode */
 444     X11DRV_XF86VM_Cleanup();
 445 #endif
 446     if(using_client_side_fonts)
 447         X11DRV_XRender_Finalize();
 448
 449     /* FIXME: should detach all threads */
 450     thread_detach();
 451
 452     /* cleanup GDI */
 453     X11DRV_GDI_Finalize();
 454
 455     DeleteCriticalSection( &X11DRV_CritSection );
 456 }
 457
 458
 459 /***********************************************************************
 460  *           X11DRV thread initialisation routine
 461  */
 462 struct x11drv_thread_data *x11drv_init_thread_data(void)
 463 {
 464     struct x11drv_thread_data *data;
 465
 466     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 467     {
 468         ERR( "could not create data\n" );
 469         ExitProcess(1);
 470     }
 471     wine_tsx11_lock();
 472     if (!(data->display = XOpenDisplay(NULL)))
 473     {
 474         wine_tsx11_unlock();
 475         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 476         ExitProcess(1);
 477     }
 478     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 479
 480     if ((data->xim = XOpenIM( data->display, NULL, NULL, NULL )))
 481     {
 482         TRACE("X display of IM = %p\n", XDisplayOfIM(data->xim));
 483         TRACE("Using %s locale of Input Method\n", XLocaleOfIM(data->xim));
 484     }
 485     else
 486         WARN("Can't open input method\n");
 487
 488 #ifdef HAVE_XKB
 489     if (use_xkb)
 490     {
 491         use_xkb = XkbUseExtension( data->display, NULL, NULL );
 492         if (use_xkb) XkbSetDetectableAutoRepeat( data->display, True, NULL );
 493     }
 494 #endif
 495
 496     if (synchronous) XSynchronize( data->display, True );
 497     wine_tsx11_unlock();
 498     if (wine_server_fd_to_handle( ConnectionNumber(data->display), GENERIC_READ | SYNCHRONIZE,
 499                                   FALSE, &data->display_fd ))
 500     {
 501         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 502         ExitProcess(1);
 503     }
 504     data->process_event_count = 0;
 505     data->cursor = None;
 506     data->cursor_window = None;
 507     data->last_focus = 0;
 508     NtCurrentTeb()->driver_data = data;
 509     if (desktop_tid) AttachThreadInput( GetCurrentThreadId(), desktop_tid, TRUE );
 510     return data;
 511 }
 512
 513
 514 /***********************************************************************
 515  *           X11DRV initialisation routine
 516  */
 517 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 518 {
 519     switch(reason)
 520     {
 521     case DLL_PROCESS_ATTACH:
 522         process_attach();
 523         break;
 524     case DLL_THREAD_DETACH:
 525         thread_detach();
 526         break;
 527     case DLL_PROCESS_DETACH:
 528         process_detach();
 529         break;
 530     }
 531     return TRUE;
 532 }
 533
 534 /***********************************************************************
 535  *              GetScreenSaveActive (X11DRV.@)
 536  *
 537  * Returns the active status of the screen saver
 538  */
 539 BOOL X11DRV_GetScreenSaveActive(void)
 540 {
 541     int timeout, temp;
 542     wine_tsx11_lock();
 543     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 544     wine_tsx11_unlock();
 545     return timeout != 0;
 546 }
 547
 548 /***********************************************************************
 549  *              SetScreenSaveActive (X11DRV.@)
 550  *
 551  * Activate/Deactivate the screen saver
 552  */
 553 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 554 {
 555     int timeout, interval, prefer_blanking, allow_exposures;
 556     static int last_timeout = 15 * 60;
 557
 558     wine_tsx11_lock();
 559     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 560                     &allow_exposures);
 561     if (timeout) last_timeout = timeout;
 562
 563     timeout = bActivate ? last_timeout : 0;
 564     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 565                     allow_exposures);
 566     wine_tsx11_unlock();
 567 }