dlls/winex11.drv/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <fcntl.h>
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #ifdef HAVE_SYS_TIME_H
  31 # include <sys/time.h>
  32 #endif
  33 #ifdef HAVE_UNISTD_H
  34 # include <unistd.h>
  35 #endif
  36 #include <X11/cursorfont.h>
  37 #include <X11/Xlib.h>
  38 #ifdef HAVE_XKB
  39 #include <X11/XKBlib.h>
  40 #endif
  41 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
  42 #include <X11/extensions/Xrender.h>
  43 #endif
  44
  45 #include "windef.h"
  46 #include "winbase.h"
  47 #include "winreg.h"
  48
  49 #include "x11drv.h"
  50 #include "xvidmode.h"
  51 #include "xrandr.h"
  52 #include "xcomposite.h"
  53 #include "wine/server.h"
  54 #include "wine/debug.h"
  55 #include "wine/library.h"
  56
  57 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  58 WINE_DECLARE_DEBUG_CHANNEL(synchronous);
  59
  60 static CRITICAL_SECTION X11DRV_CritSection;
  61 static CRITICAL_SECTION_DEBUG critsect_debug =
  62 {
  63     0, 0, &X11DRV_CritSection,
  64     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  65       0, 0, { (DWORD_PTR)(__FILE__ ": X11DRV_CritSection") }
  66 };
  67 static CRITICAL_SECTION X11DRV_CritSection = { &critsect_debug, -1, 0, 0, 0, 0 };
  68
  69 Screen *screen;
  70 Visual *visual;
  71 unsigned int screen_width;
  72 unsigned int screen_height;
  73 unsigned int screen_depth;
  74 RECT virtual_screen_rect;
  75 Window root_window;
  76 int dxgrab = 0;
  77 int usexvidmode = 1;
  78 int usexrandr = 1;
  79 int usexcomposite = 1;
  80 int use_xkb = 1;
  81 int use_take_focus = 1;
  82 int use_primary_selection = 0;
  83 int managed_mode = 1;
  84 int private_color_map = 0;
  85 int primary_monitor = 0;
  86 int client_side_with_core = 1;
  87 int client_side_with_render = 1;
  88 int client_side_antialias_with_core = 1;
  89 int client_side_antialias_with_render = 1;
  90 int copy_default_colors = 128;
  91 int alloc_system_colors = 256;
  92 DWORD thread_data_tls_index = TLS_OUT_OF_INDEXES;
  93 int xrender_error_base = 0;
  94
  95 static x11drv_error_callback err_callback;   /* current callback for error */
  96 static Display *err_callback_display;        /* display callback is set for */
  97 static void *err_callback_arg;               /* error callback argument */
  98 static int err_callback_result;              /* error callback result */
  99 static unsigned long err_serial;             /* serial number of first request */
 100 static int (*old_error_handler)( Display *, XErrorEvent * );
 101 static int use_xim = 1;
 102 static char input_style[20];
 103
 104 #define IS_OPTION_TRUE(ch) \
 105     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
 106 #define IS_OPTION_FALSE(ch) \
 107     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
 108
 109 Atom X11DRV_Atoms[NB_XATOMS - FIRST_XATOM];
 110
 111 static const char * const atom_names[NB_XATOMS - FIRST_XATOM] =
 112 {
 113     "CLIPBOARD",
 114     "COMPOUND_TEXT",
 115     "MULTIPLE",
 116     "SELECTION_DATA",
 117     "TARGETS",
 118     "TEXT",
 119     "UTF8_STRING",
 120     "RAW_ASCENT",
 121     "RAW_DESCENT",
 122     "RAW_CAP_HEIGHT",
 123     "WM_PROTOCOLS",
 124     "WM_DELETE_WINDOW",
 125     "WM_TAKE_FOCUS",
 126     "KWM_DOCKWINDOW",
 127     "DndProtocol",
 128     "DndSelection",
 129     "_MOTIF_WM_HINTS",
 130     "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR",
 131     "_NET_SYSTEM_TRAY_OPCODE",
 132     "_NET_SYSTEM_TRAY_S0",
 133     "_NET_WM_MOVERESIZE",
 134     "_NET_WM_NAME",
 135     "_NET_WM_PID",
 136     "_NET_WM_PING",
 137     "_NET_WM_STATE",
 138     "_NET_WM_STATE_FULLSCREEN",
 139     "_NET_WM_WINDOW_TYPE",
 140     "_NET_WM_WINDOW_TYPE_DIALOG",
 141     "_NET_WM_WINDOW_TYPE_NORMAL",
 142     "_NET_WM_WINDOW_TYPE_UTILITY",
 143     "_XEMBED_INFO",
 144     "XdndAware",
 145     "XdndEnter",
 146     "XdndPosition",
 147     "XdndStatus",
 148     "XdndLeave",
 149     "XdndFinished",
 150     "XdndDrop",
 151     "XdndActionCopy",
 152     "XdndActionMove",
 153     "XdndActionLink",
 154     "XdndActionAsk",
 155     "XdndActionPrivate",
 156     "XdndSelection",
 157     "XdndTarget",
 158     "XdndTypeList",
 159     "WCF_DIB",
 160     "image/gif",
 161     "text/html",
 162     "text/plain",
 163     "text/rtf",
 164     "text/richtext",
 165     "text/uri-list"
 166 };
 167
 168 /***********************************************************************
 169  *              ignore_error
 170  *
 171  * Check if the X error is one we can ignore.
 172  */
 173 static inline BOOL ignore_error( Display *display, XErrorEvent *event )
 174 {
 175     if (event->request_code == X_SetInputFocus && event->error_code == BadMatch) return TRUE;
 176
 177     /* ignore a number of errors on gdi display caused by creating/destroying windows */
 178     if (display == gdi_display)
 179     {
 180         if (event->error_code == BadDrawable || event->error_code == BadGC) return TRUE;
 181 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
 182         if (xrender_error_base)  /* check for XRender errors */
 183         {
 184             if (event->error_code == xrender_error_base + BadPicture) return TRUE;
 185         }
 186 #endif
 187     }
 188     return FALSE;
 189 }
 190
 191
 192 /***********************************************************************
 193  *              X11DRV_expect_error
 194  *
 195  * Setup a callback function that will be called on an X error.  The
 196  * callback must return non-zero if the error is the one it expected.
 197  * This function acquires the x11 lock; X11DRV_check_error must be
 198  * called in all cases to release it.
 199  */
 200 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 201 {
 202     wine_tsx11_lock();
 203     err_callback         = callback;
 204     err_callback_display = display;
 205     err_callback_arg     = arg;
 206     err_callback_result  = 0;
 207     err_serial           = NextRequest(display);
 208 }
 209
 210
 211 /***********************************************************************
 212  *              X11DRV_check_error
 213  *
 214  * Check if an expected X11 error occurred; return non-zero if yes.
 215  * Also release the x11 lock obtained in X11DRV_expect_error.
 216  * The caller is responsible for calling XSync first if necessary.
 217  */
 218 int X11DRV_check_error(void)
 219 {
 220     int ret;
 221     err_callback = NULL;
 222     ret = err_callback_result;
 223     wine_tsx11_unlock();
 224     return ret;
 225 }
 226
 227
 228 /***********************************************************************
 229  *              error_handler
 230  */
 231 static int error_handler( Display *display, XErrorEvent *error_evt )
 232 {
 233     if (err_callback && display == err_callback_display &&
 234         (long)(error_evt->serial - err_serial) >= 0)
 235     {
 236         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 237         {
 238             TRACE( "got expected error %d req %d\n",
 239                    error_evt->error_code, error_evt->request_code );
 240             return 0;
 241         }
 242     }
 243     if (ignore_error( display, error_evt ))
 244     {
 245         TRACE( "got ignored error %d req %d\n",
 246                error_evt->error_code, error_evt->request_code );
 247         return 0;
 248     }
 249     if (TRACE_ON(synchronous))
 250     {
 251         ERR( "X protocol error: serial=%ld, request_code=%d - breaking into debugger\n",
 252              error_evt->serial, error_evt->request_code );
 253         DebugBreak();  /* force an entry in the debugger */
 254     }
 255     old_error_handler( display, error_evt );
 256     return 0;
 257 }
 258
 259 /***********************************************************************
 260  *              wine_tsx11_lock   (X11DRV.@)
 261  */
 262 void wine_tsx11_lock(void)
 263 {
 264     EnterCriticalSection( &X11DRV_CritSection );
 265 }
 266
 267 /***********************************************************************
 268  *              wine_tsx11_unlock   (X11DRV.@)
 269  */
 270 void wine_tsx11_unlock(void)
 271 {
 272     LeaveCriticalSection( &X11DRV_CritSection );
 273 }
 274
 275
 276 /***********************************************************************
 277  *              get_config_key
 278  *
 279  * Get a config key from either the app-specific or the default config
 280  */
 281 static inline DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 282                                     char *buffer, DWORD size )
 283 {
 284     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 285     if (defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 286     return ERROR_FILE_NOT_FOUND;
 287 }
 288
 289
 290 /***********************************************************************
 291  *              setup_options
 292  *
 293  * Setup the x11drv options.
 294  */
 295 static void setup_options(void)
 296 {
 297     char buffer[MAX_PATH+16];
 298     HKEY hkey, appkey = 0;
 299     DWORD len;
 300
 301     /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
 302     if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver", &hkey )) hkey = 0;
 303
 304     /* open the app-specific key */
 305
 306     len = (GetModuleFileNameA( 0, buffer, MAX_PATH ));
 307     if (len && len < MAX_PATH)
 308     {
 309         HKEY tmpkey;
 310         char *p, *appname = buffer;
 311         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 312         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 313         strcat( appname, "\\X11 Driver" );
 314         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\X11 Driver */
 315         if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 316         {
 317             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 318             RegCloseKey( tmpkey );
 319         }
 320     }
 321
 322     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 323         managed_mode = IS_OPTION_TRUE( buffer[0] );
 324
 325     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 326         dxgrab = IS_OPTION_TRUE( buffer[0] );
 327
 328     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 329         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 330
 331     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 332         usexrandr = IS_OPTION_TRUE( buffer[0] );
 333
 334     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 335         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 336
 337     if (!get_config_key( hkey, appkey, "UsePrimarySelection", buffer, sizeof(buffer) ))
 338         use_primary_selection = IS_OPTION_TRUE( buffer[0] );
 339
 340     screen_depth = 0;
 341     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 342         screen_depth = atoi(buffer);
 343
 344     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 345         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 346
 347     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 348         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 349
 350     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 351         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 352
 353     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 354         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 355
 356     if (!get_config_key( hkey, appkey, "UseXIM", buffer, sizeof(buffer) ))
 357         use_xim = IS_OPTION_TRUE( buffer[0] );
 358
 359     if (!get_config_key( hkey, appkey, "PrivateColorMap", buffer, sizeof(buffer) ))
 360         private_color_map = IS_OPTION_TRUE( buffer[0] );
 361
 362     if (!get_config_key( hkey, appkey, "PrimaryMonitor", buffer, sizeof(buffer) ))
 363         primary_monitor = atoi( buffer );
 364
 365     if (!get_config_key( hkey, appkey, "CopyDefaultColors", buffer, sizeof(buffer) ))
 366         copy_default_colors = atoi(buffer);
 367
 368     if (!get_config_key( hkey, appkey, "AllocSystemColors", buffer, sizeof(buffer) ))
 369         alloc_system_colors = atoi(buffer);
 370
 371     get_config_key( hkey, appkey, "InputStyle", input_style, sizeof(input_style) );
 372
 373     if (appkey) RegCloseKey( appkey );
 374     if (hkey) RegCloseKey( hkey );
 375 }
 376
 377 #ifdef SONAME_LIBXCOMPOSITE
 378
 379 #define MAKE_FUNCPTR(f) typeof(f) * p##f;
 380 MAKE_FUNCPTR(XCompositeQueryExtension)
 381 MAKE_FUNCPTR(XCompositeQueryVersion)
 382 MAKE_FUNCPTR(XCompositeVersion)
 383 MAKE_FUNCPTR(XCompositeRedirectWindow)
 384 MAKE_FUNCPTR(XCompositeRedirectSubwindows)
 385 MAKE_FUNCPTR(XCompositeUnredirectWindow)
 386 MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
 387 MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 388 MAKE_FUNCPTR(XCompositeNameWindowPixmap)
 389 #undef MAKE_FUNCPTR
 390
 391 static int xcomp_event_base;
 392 static int xcomp_error_base;
 393
 394 static void X11DRV_XComposite_Init(void)
 395 {
 396     void *xcomposite_handle = wine_dlopen(SONAME_LIBXCOMPOSITE, RTLD_NOW, NULL, 0);
 397     if (!xcomposite_handle)
 398     {
 399         TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 400         usexcomposite = 0;
 401         return;
 402     }
 403
 404 #define LOAD_FUNCPTR(f) \
 405     if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
 406         goto sym_not_found;
 407     LOAD_FUNCPTR(XCompositeQueryExtension)
 408     LOAD_FUNCPTR(XCompositeQueryVersion)
 409     LOAD_FUNCPTR(XCompositeVersion)
 410     LOAD_FUNCPTR(XCompositeRedirectWindow)
 411     LOAD_FUNCPTR(XCompositeRedirectSubwindows)
 412     LOAD_FUNCPTR(XCompositeUnredirectWindow)
 413     LOAD_FUNCPTR(XCompositeUnredirectSubwindows)
 414     LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 415     LOAD_FUNCPTR(XCompositeNameWindowPixmap)
 416 #undef LOAD_FUNCPTR
 417
 418     if(!pXCompositeQueryExtension(gdi_display, &xcomp_event_base,
 419                                   &xcomp_error_base)) {
 420         TRACE("XComposite extension could not be queried; disabled\n");
 421         wine_dlclose(xcomposite_handle, NULL, 0);
 422         xcomposite_handle = NULL;
 423         usexcomposite = 0;
 424         return;
 425     }
 426     TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base);
 427     return;
 428
 429 sym_not_found:
 430     TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 431     wine_dlclose(xcomposite_handle, NULL, 0);
 432     xcomposite_handle = NULL;
 433     usexcomposite = 0;
 434 }
 435 #endif /* defined(SONAME_LIBXCOMPOSITE) */
 436
 437
 438 /***********************************************************************
 439  *           X11DRV process initialisation routine
 440  */
 441 static BOOL process_attach(void)
 442 {
 443     Display *display;
 444     XVisualInfo *desktop_vi = NULL;
 445     const char *env;
 446
 447     setup_options();
 448
 449     if ((thread_data_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES) return FALSE;
 450
 451     /* Open display */
 452
 453     if (!(env = getenv("XMODIFIERS")) || !*env)  /* try to avoid the Xlib XIM locking bug */
 454         if (!XInitThreads()) ERR( "XInitThreads failed, trouble ahead\n" );
 455
 456     if (!(display = XOpenDisplay( NULL ))) return FALSE;
 457
 458     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 459     screen = DefaultScreenOfDisplay( display );
 460     visual = DefaultVisual( display, DefaultScreen(display) );
 461     root_window = DefaultRootWindow( display );
 462     gdi_display = display;
 463     old_error_handler = XSetErrorHandler( error_handler );
 464
 465     /* Initialize screen depth */
 466
 467     if (screen_depth)  /* depth specified */
 468     {
 469         int depth_count, i;
 470         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 471         for (i = 0; i < depth_count; i++)
 472             if (depth_list[i] == screen_depth) break;
 473         XFree( depth_list );
 474         if (i >= depth_count)
 475         {
 476             WARN( "invalid depth %d, using default\n", screen_depth );
 477             screen_depth = 0;
 478         }
 479     }
 480     if (!screen_depth) screen_depth = DefaultDepthOfScreen( screen );
 481
 482     /* If OpenGL is available, change the default visual, etc as necessary */
 483     if ((desktop_vi = X11DRV_setup_opengl_visual( display )))
 484     {
 485         visual       = desktop_vi->visual;
 486         screen       = ScreenOfDisplay(display, desktop_vi->screen);
 487         screen_depth = desktop_vi->depth;
 488         XFree(desktop_vi);
 489     }
 490
 491     XInternAtoms( display, (char **)atom_names, NB_XATOMS - FIRST_XATOM, False, X11DRV_Atoms );
 492
 493     if (TRACE_ON(synchronous)) XSynchronize( display, True );
 494
 495     screen_width  = WidthOfScreen( screen );
 496     screen_height = HeightOfScreen( screen );
 497
 498     xinerama_init();
 499     X11DRV_Settings_Init();
 500
 501 #ifdef HAVE_LIBXXF86VM
 502     /* initialize XVidMode */
 503     X11DRV_XF86VM_Init();
 504 #endif
 505 #ifdef SONAME_LIBXRANDR
 506     /* initialize XRandR */
 507     X11DRV_XRandR_Init();
 508 #endif
 509 #ifdef SONAME_LIBXCOMPOSITE
 510     X11DRV_XComposite_Init();
 511 #endif
 512
 513     X11DRV_ClipCursor( NULL );
 514     X11DRV_InitKeyboard();
 515     X11DRV_InitClipboard();
 516
 517     return TRUE;
 518 }
 519
 520
 521 /***********************************************************************
 522  *           X11DRV thread termination routine
 523  */
 524 static void thread_detach(void)
 525 {
 526     struct x11drv_thread_data *data = TlsGetValue( thread_data_tls_index );
 527
 528     if (data)
 529     {
 530         X11DRV_ResetSelectionOwner();
 531         wine_tsx11_lock();
 532         if (data->xim) XCloseIM( data->xim );
 533         XCloseDisplay( data->display );
 534         wine_tsx11_unlock();
 535         HeapFree( GetProcessHeap(), 0, data );
 536     }
 537 }
 538
 539
 540 /***********************************************************************
 541  *           X11DRV process termination routine
 542  */
 543 static void process_detach(void)
 544 {
 545 #ifdef HAVE_LIBXXF86VM
 546     /* cleanup XVidMode */
 547     X11DRV_XF86VM_Cleanup();
 548 #endif
 549     if(using_client_side_fonts)
 550         X11DRV_XRender_Finalize();
 551
 552     /* cleanup GDI */
 553     X11DRV_GDI_Finalize();
 554
 555     DeleteCriticalSection( &X11DRV_CritSection );
 556     TlsFree( thread_data_tls_index );
 557 }
 558
 559
 560 /* store the display fd into the message queue */
 561 static void set_queue_display_fd( Display *display )
 562 {
 563     HANDLE handle;
 564     int ret;
 565
 566     if (wine_server_fd_to_handle( ConnectionNumber(display), GENERIC_READ | SYNCHRONIZE, 0, &handle ))
 567     {
 568         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 569         ExitProcess(1);
 570     }
 571     SERVER_START_REQ( set_queue_fd )
 572     {
 573         req->handle = handle;
 574         ret = wine_server_call( req );
 575     }
 576     SERVER_END_REQ;
 577     if (ret)
 578     {
 579         MESSAGE( "x11drv: Can't store handle for display fd\n" );
 580         ExitProcess(1);
 581     }
 582     CloseHandle( handle );
 583 }
 584
 585
 586 /***********************************************************************
 587  *           X11DRV thread initialisation routine
 588  */
 589 struct x11drv_thread_data *x11drv_init_thread_data(void)
 590 {
 591     struct x11drv_thread_data *data;
 592
 593     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 594     {
 595         ERR( "could not create data\n" );
 596         ExitProcess(1);
 597     }
 598     wine_tsx11_lock();
 599     if (!(data->display = XOpenDisplay(NULL)))
 600     {
 601         wine_tsx11_unlock();
 602         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 603         MESSAGE( "Please ensure that your X server is running and that $DISPLAY is set correctly.\n" );
 604         ExitProcess(1);
 605     }
 606
 607     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 608
 609 #ifdef HAVE_XKB
 610     if (use_xkb)
 611     {
 612         use_xkb = XkbUseExtension( data->display, NULL, NULL );
 613         if (use_xkb)
 614         {
 615             /* Hack: dummy call to XkbKeysymToModifiers to force initialisation of Xkb internals */
 616             /* This works around an Xlib bug where it tries to get the display lock */
 617             /* twice during XFilterEvents if Xkb hasn't been initialised yet. */
 618             XkbKeysymToModifiers( data->display, 'A' );
 619             XkbSetDetectableAutoRepeat( data->display, True, NULL );
 620         }
 621     }
 622 #endif
 623
 624     if (TRACE_ON(synchronous)) XSynchronize( data->display, True );
 625     wine_tsx11_unlock();
 626
 627     if (!use_xim)
 628         data->xim = NULL;
 629     else if (!(data->xim = X11DRV_SetupXIM( data->display, input_style )))
 630         WARN("Input Method is not available\n");
 631
 632     set_queue_display_fd( data->display );
 633     data->process_event_count = 0;
 634     data->cursor = None;
 635     data->cursor_window = None;
 636     data->grab_window = None;
 637     data->last_focus = 0;
 638     data->selection_wnd = 0;
 639     TlsSetValue( thread_data_tls_index, data );
 640     return data;
 641 }
 642
 643
 644 /***********************************************************************
 645  *           X11DRV initialisation routine
 646  */
 647 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 648 {
 649     BOOL ret = TRUE;
 650
 651     switch(reason)
 652     {
 653     case DLL_PROCESS_ATTACH:
 654         ret = process_attach();
 655         break;
 656     case DLL_THREAD_DETACH:
 657         thread_detach();
 658         break;
 659     case DLL_PROCESS_DETACH:
 660         process_detach();
 661         break;
 662     }
 663     return ret;
 664 }
 665
 666 /***********************************************************************
 667  *              GetScreenSaveActive (X11DRV.@)
 668  *
 669  * Returns the active status of the screen saver
 670  */
 671 BOOL X11DRV_GetScreenSaveActive(void)
 672 {
 673     int timeout, temp;
 674     wine_tsx11_lock();
 675     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 676     wine_tsx11_unlock();
 677     return timeout != 0;
 678 }
 679
 680 /***********************************************************************
 681  *              SetScreenSaveActive (X11DRV.@)
 682  *
 683  * Activate/Deactivate the screen saver
 684  */
 685 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 686 {
 687     int timeout, interval, prefer_blanking, allow_exposures;
 688     static int last_timeout = 15 * 60;
 689
 690     wine_tsx11_lock();
 691     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 692                     &allow_exposures);
 693     if (timeout) last_timeout = timeout;
 694
 695     timeout = bActivate ? last_timeout : 0;
 696     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 697                     allow_exposures);
 698     wine_tsx11_unlock();
 699 }