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_bpp;
  74 unsigned int screen_depth;
  75 RECT virtual_screen_rect;
  76 Window root_window;
  77 int dxgrab = 0;
  78 int usexvidmode = 1;
  79 int usexrandr = 1;
  80 int usexcomposite = 1;
  81 int use_xkb = 1;
  82 int use_take_focus = 1;
  83 int use_primary_selection = 0;
  84 int managed_mode = 1;
  85 int private_color_map = 0;
  86 int primary_monitor = 0;
  87 int client_side_with_core = 1;
  88 int client_side_with_render = 1;
  89 int client_side_antialias_with_core = 1;
  90 int client_side_antialias_with_render = 1;
  91 int copy_default_colors = 128;
  92 int alloc_system_colors = 256;
  93 DWORD thread_data_tls_index = TLS_OUT_OF_INDEXES;
  94 int xrender_error_base = 0;
  95
  96 static x11drv_error_callback err_callback;   /* current callback for error */
  97 static Display *err_callback_display;        /* display callback is set for */
  98 static void *err_callback_arg;               /* error callback argument */
  99 static int err_callback_result;              /* error callback result */
 100 static unsigned long err_serial;             /* serial number of first request */
 101 static int (*old_error_handler)( Display *, XErrorEvent * );
 102 static int use_xim = 1;
 103 static char input_style[20];
 104
 105 #define IS_OPTION_TRUE(ch) \
 106     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
 107 #define IS_OPTION_FALSE(ch) \
 108     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
 109
 110 Atom X11DRV_Atoms[NB_XATOMS - FIRST_XATOM];
 111
 112 static const char * const atom_names[NB_XATOMS - FIRST_XATOM] =
 113 {
 114     "CLIPBOARD",
 115     "COMPOUND_TEXT",
 116     "MULTIPLE",
 117     "SELECTION_DATA",
 118     "TARGETS",
 119     "TEXT",
 120     "UTF8_STRING",
 121     "RAW_ASCENT",
 122     "RAW_DESCENT",
 123     "RAW_CAP_HEIGHT",
 124     "WM_PROTOCOLS",
 125     "WM_DELETE_WINDOW",
 126     "WM_TAKE_FOCUS",
 127     "KWM_DOCKWINDOW",
 128     "DndProtocol",
 129     "DndSelection",
 130     "_MOTIF_WM_HINTS",
 131     "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR",
 132     "_NET_SYSTEM_TRAY_OPCODE",
 133     "_NET_SYSTEM_TRAY_S0",
 134     "_NET_WM_MOVERESIZE",
 135     "_NET_WM_NAME",
 136     "_NET_WM_PID",
 137     "_NET_WM_PING",
 138     "_NET_WM_STATE",
 139     "_NET_WM_STATE_ABOVE",
 140     "_NET_WM_STATE_FULLSCREEN",
 141     "_NET_WM_STATE_SKIP_PAGER",
 142     "_NET_WM_STATE_SKIP_TASKBAR",
 143     "_NET_WM_WINDOW_TYPE",
 144     "_NET_WM_WINDOW_TYPE_DIALOG",
 145     "_NET_WM_WINDOW_TYPE_NORMAL",
 146     "_NET_WM_WINDOW_TYPE_UTILITY",
 147     "_XEMBED_INFO",
 148     "XdndAware",
 149     "XdndEnter",
 150     "XdndPosition",
 151     "XdndStatus",
 152     "XdndLeave",
 153     "XdndFinished",
 154     "XdndDrop",
 155     "XdndActionCopy",
 156     "XdndActionMove",
 157     "XdndActionLink",
 158     "XdndActionAsk",
 159     "XdndActionPrivate",
 160     "XdndSelection",
 161     "XdndTarget",
 162     "XdndTypeList",
 163     "WCF_DIB",
 164     "image/gif",
 165     "text/html",
 166     "text/plain",
 167     "text/rtf",
 168     "text/richtext",
 169     "text/uri-list"
 170 };
 171
 172 /***********************************************************************
 173  *              ignore_error
 174  *
 175  * Check if the X error is one we can ignore.
 176  */
 177 static inline BOOL ignore_error( Display *display, XErrorEvent *event )
 178 {
 179     if (event->request_code == X_SetInputFocus && event->error_code == BadMatch) return TRUE;
 180
 181     /* ignore a number of errors on gdi display caused by creating/destroying windows */
 182     if (display == gdi_display)
 183     {
 184         if (event->error_code == BadDrawable || event->error_code == BadGC) return TRUE;
 185 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
 186         if (xrender_error_base)  /* check for XRender errors */
 187         {
 188             if (event->error_code == xrender_error_base + BadPicture) return TRUE;
 189         }
 190 #endif
 191     }
 192     return FALSE;
 193 }
 194
 195
 196 /***********************************************************************
 197  *              X11DRV_expect_error
 198  *
 199  * Setup a callback function that will be called on an X error.  The
 200  * callback must return non-zero if the error is the one it expected.
 201  * This function acquires the x11 lock; X11DRV_check_error must be
 202  * called in all cases to release it.
 203  */
 204 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 205 {
 206     wine_tsx11_lock();
 207     err_callback         = callback;
 208     err_callback_display = display;
 209     err_callback_arg     = arg;
 210     err_callback_result  = 0;
 211     err_serial           = NextRequest(display);
 212 }
 213
 214
 215 /***********************************************************************
 216  *              X11DRV_check_error
 217  *
 218  * Check if an expected X11 error occurred; return non-zero if yes.
 219  * Also release the x11 lock obtained in X11DRV_expect_error.
 220  * The caller is responsible for calling XSync first if necessary.
 221  */
 222 int X11DRV_check_error(void)
 223 {
 224     int ret;
 225     err_callback = NULL;
 226     ret = err_callback_result;
 227     wine_tsx11_unlock();
 228     return ret;
 229 }
 230
 231
 232 /***********************************************************************
 233  *              error_handler
 234  */
 235 static int error_handler( Display *display, XErrorEvent *error_evt )
 236 {
 237     if (err_callback && display == err_callback_display &&
 238         (long)(error_evt->serial - err_serial) >= 0)
 239     {
 240         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 241         {
 242             TRACE( "got expected error %d req %d\n",
 243                    error_evt->error_code, error_evt->request_code );
 244             return 0;
 245         }
 246     }
 247     if (ignore_error( display, error_evt ))
 248     {
 249         TRACE( "got ignored error %d req %d\n",
 250                error_evt->error_code, error_evt->request_code );
 251         return 0;
 252     }
 253     if (TRACE_ON(synchronous))
 254     {
 255         ERR( "X protocol error: serial=%ld, request_code=%d - breaking into debugger\n",
 256              error_evt->serial, error_evt->request_code );
 257         DebugBreak();  /* force an entry in the debugger */
 258     }
 259     old_error_handler( display, error_evt );
 260     return 0;
 261 }
 262
 263 /***********************************************************************
 264  *              wine_tsx11_lock   (X11DRV.@)
 265  */
 266 void wine_tsx11_lock(void)
 267 {
 268     EnterCriticalSection( &X11DRV_CritSection );
 269 }
 270
 271 /***********************************************************************
 272  *              wine_tsx11_unlock   (X11DRV.@)
 273  */
 274 void wine_tsx11_unlock(void)
 275 {
 276     LeaveCriticalSection( &X11DRV_CritSection );
 277 }
 278
 279
 280 /***********************************************************************
 281  *              get_config_key
 282  *
 283  * Get a config key from either the app-specific or the default config
 284  */
 285 static inline DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 286                                     char *buffer, DWORD size )
 287 {
 288     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 289     if (defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 290     return ERROR_FILE_NOT_FOUND;
 291 }
 292
 293
 294 /***********************************************************************
 295  *              setup_options
 296  *
 297  * Setup the x11drv options.
 298  */
 299 static void setup_options(void)
 300 {
 301     char buffer[MAX_PATH+16];
 302     HKEY hkey, appkey = 0;
 303     DWORD len;
 304
 305     /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
 306     if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver", &hkey )) hkey = 0;
 307
 308     /* open the app-specific key */
 309
 310     len = (GetModuleFileNameA( 0, buffer, MAX_PATH ));
 311     if (len && len < MAX_PATH)
 312     {
 313         HKEY tmpkey;
 314         char *p, *appname = buffer;
 315         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 316         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 317         strcat( appname, "\\X11 Driver" );
 318         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\X11 Driver */
 319         if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 320         {
 321             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 322             RegCloseKey( tmpkey );
 323         }
 324     }
 325
 326     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 327         managed_mode = IS_OPTION_TRUE( buffer[0] );
 328
 329     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 330         dxgrab = IS_OPTION_TRUE( buffer[0] );
 331
 332     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 333         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 334
 335     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 336         usexrandr = IS_OPTION_TRUE( buffer[0] );
 337
 338     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 339         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 340
 341     if (!get_config_key( hkey, appkey, "UsePrimarySelection", buffer, sizeof(buffer) ))
 342         use_primary_selection = IS_OPTION_TRUE( buffer[0] );
 343
 344     screen_depth = 0;
 345     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 346         screen_depth = atoi(buffer);
 347
 348     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 349         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 350
 351     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 352         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 353
 354     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 355         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 356
 357     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 358         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 359
 360     if (!get_config_key( hkey, appkey, "UseXIM", buffer, sizeof(buffer) ))
 361         use_xim = IS_OPTION_TRUE( buffer[0] );
 362
 363     if (!get_config_key( hkey, appkey, "PrivateColorMap", buffer, sizeof(buffer) ))
 364         private_color_map = IS_OPTION_TRUE( buffer[0] );
 365
 366     if (!get_config_key( hkey, appkey, "PrimaryMonitor", buffer, sizeof(buffer) ))
 367         primary_monitor = atoi( buffer );
 368
 369     if (!get_config_key( hkey, appkey, "CopyDefaultColors", buffer, sizeof(buffer) ))
 370         copy_default_colors = atoi(buffer);
 371
 372     if (!get_config_key( hkey, appkey, "AllocSystemColors", buffer, sizeof(buffer) ))
 373         alloc_system_colors = atoi(buffer);
 374
 375     get_config_key( hkey, appkey, "InputStyle", input_style, sizeof(input_style) );
 376
 377     if (appkey) RegCloseKey( appkey );
 378     if (hkey) RegCloseKey( hkey );
 379 }
 380
 381 #ifdef SONAME_LIBXCOMPOSITE
 382
 383 #define MAKE_FUNCPTR(f) typeof(f) * p##f;
 384 MAKE_FUNCPTR(XCompositeQueryExtension)
 385 MAKE_FUNCPTR(XCompositeQueryVersion)
 386 MAKE_FUNCPTR(XCompositeVersion)
 387 MAKE_FUNCPTR(XCompositeRedirectWindow)
 388 MAKE_FUNCPTR(XCompositeRedirectSubwindows)
 389 MAKE_FUNCPTR(XCompositeUnredirectWindow)
 390 MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
 391 MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 392 MAKE_FUNCPTR(XCompositeNameWindowPixmap)
 393 #undef MAKE_FUNCPTR
 394
 395 static int xcomp_event_base;
 396 static int xcomp_error_base;
 397
 398 static void X11DRV_XComposite_Init(void)
 399 {
 400     void *xcomposite_handle = wine_dlopen(SONAME_LIBXCOMPOSITE, RTLD_NOW, NULL, 0);
 401     if (!xcomposite_handle)
 402     {
 403         TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 404         usexcomposite = 0;
 405         return;
 406     }
 407
 408 #define LOAD_FUNCPTR(f) \
 409     if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
 410         goto sym_not_found;
 411     LOAD_FUNCPTR(XCompositeQueryExtension)
 412     LOAD_FUNCPTR(XCompositeQueryVersion)
 413     LOAD_FUNCPTR(XCompositeVersion)
 414     LOAD_FUNCPTR(XCompositeRedirectWindow)
 415     LOAD_FUNCPTR(XCompositeRedirectSubwindows)
 416     LOAD_FUNCPTR(XCompositeUnredirectWindow)
 417     LOAD_FUNCPTR(XCompositeUnredirectSubwindows)
 418     LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 419     LOAD_FUNCPTR(XCompositeNameWindowPixmap)
 420 #undef LOAD_FUNCPTR
 421
 422     if(!pXCompositeQueryExtension(gdi_display, &xcomp_event_base,
 423                                   &xcomp_error_base)) {
 424         TRACE("XComposite extension could not be queried; disabled\n");
 425         wine_dlclose(xcomposite_handle, NULL, 0);
 426         xcomposite_handle = NULL;
 427         usexcomposite = 0;
 428         return;
 429     }
 430     TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base);
 431     return;
 432
 433 sym_not_found:
 434     TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 435     wine_dlclose(xcomposite_handle, NULL, 0);
 436     xcomposite_handle = NULL;
 437     usexcomposite = 0;
 438 }
 439 #endif /* defined(SONAME_LIBXCOMPOSITE) */
 440
 441
 442 /***********************************************************************
 443  *           X11DRV process initialisation routine
 444  */
 445 static BOOL process_attach(void)
 446 {
 447     Display *display;
 448     XVisualInfo *desktop_vi = NULL;
 449     const char *env;
 450
 451     setup_options();
 452
 453     if ((thread_data_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES) return FALSE;
 454
 455     /* Open display */
 456
 457     if (!(env = getenv("XMODIFIERS")) || !*env)  /* try to avoid the Xlib XIM locking bug */
 458         if (!XInitThreads()) ERR( "XInitThreads failed, trouble ahead\n" );
 459
 460     if (!(display = XOpenDisplay( NULL ))) return FALSE;
 461
 462     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 463     screen = DefaultScreenOfDisplay( display );
 464     visual = DefaultVisual( display, DefaultScreen(display) );
 465     root_window = DefaultRootWindow( display );
 466     gdi_display = display;
 467     old_error_handler = XSetErrorHandler( error_handler );
 468
 469     /* Initialize screen depth */
 470
 471     if (screen_depth)  /* depth specified */
 472     {
 473         int depth_count, i;
 474         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 475         for (i = 0; i < depth_count; i++)
 476             if (depth_list[i] == screen_depth) break;
 477         XFree( depth_list );
 478         if (i >= depth_count)
 479         {
 480             WARN( "invalid depth %d, using default\n", screen_depth );
 481             screen_depth = 0;
 482         }
 483     }
 484     if (!screen_depth) screen_depth = DefaultDepthOfScreen( screen );
 485
 486     /* If OpenGL is available, change the default visual, etc as necessary */
 487     if ((desktop_vi = X11DRV_setup_opengl_visual( display )))
 488     {
 489         visual       = desktop_vi->visual;
 490         screen       = ScreenOfDisplay(display, desktop_vi->screen);
 491         screen_depth = desktop_vi->depth;
 492         XFree(desktop_vi);
 493     }
 494
 495     screen_bpp = screen_depth; /* TODO */
 496
 497     XInternAtoms( display, (char **)atom_names, NB_XATOMS - FIRST_XATOM, False, X11DRV_Atoms );
 498
 499     if (TRACE_ON(synchronous)) XSynchronize( display, True );
 500
 501     screen_width  = WidthOfScreen( screen );
 502     screen_height = HeightOfScreen( screen );
 503
 504     xinerama_init();
 505     X11DRV_Settings_Init();
 506
 507 #ifdef HAVE_LIBXXF86VM
 508     /* initialize XVidMode */
 509     X11DRV_XF86VM_Init();
 510 #endif
 511 #ifdef SONAME_LIBXRANDR
 512     /* initialize XRandR */
 513     X11DRV_XRandR_Init();
 514 #endif
 515 #ifdef SONAME_LIBXCOMPOSITE
 516     X11DRV_XComposite_Init();
 517 #endif
 518
 519     X11DRV_ClipCursor( NULL );
 520     X11DRV_InitKeyboard();
 521     X11DRV_InitClipboard();
 522
 523     return TRUE;
 524 }
 525
 526
 527 /***********************************************************************
 528  *           X11DRV thread termination routine
 529  */
 530 static void thread_detach(void)
 531 {
 532     struct x11drv_thread_data *data = TlsGetValue( thread_data_tls_index );
 533
 534     if (data)
 535     {
 536         X11DRV_ResetSelectionOwner();
 537         wine_tsx11_lock();
 538         if (data->xim) XCloseIM( data->xim );
 539         XCloseDisplay( data->display );
 540         wine_tsx11_unlock();
 541         HeapFree( GetProcessHeap(), 0, data );
 542     }
 543 }
 544
 545
 546 /***********************************************************************
 547  *           X11DRV process termination routine
 548  */
 549 static void process_detach(void)
 550 {
 551 #ifdef HAVE_LIBXXF86VM
 552     /* cleanup XVidMode */
 553     X11DRV_XF86VM_Cleanup();
 554 #endif
 555     if(using_client_side_fonts)
 556         X11DRV_XRender_Finalize();
 557
 558     /* cleanup GDI */
 559     X11DRV_GDI_Finalize();
 560
 561     DeleteCriticalSection( &X11DRV_CritSection );
 562     TlsFree( thread_data_tls_index );
 563 }
 564
 565
 566 /* store the display fd into the message queue */
 567 static void set_queue_display_fd( Display *display )
 568 {
 569     HANDLE handle;
 570     int ret;
 571
 572     if (wine_server_fd_to_handle( ConnectionNumber(display), GENERIC_READ | SYNCHRONIZE, 0, &handle ))
 573     {
 574         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 575         ExitProcess(1);
 576     }
 577     SERVER_START_REQ( set_queue_fd )
 578     {
 579         req->handle = handle;
 580         ret = wine_server_call( req );
 581     }
 582     SERVER_END_REQ;
 583     if (ret)
 584     {
 585         MESSAGE( "x11drv: Can't store handle for display fd\n" );
 586         ExitProcess(1);
 587     }
 588     CloseHandle( handle );
 589 }
 590
 591
 592 /***********************************************************************
 593  *           X11DRV thread initialisation routine
 594  */
 595 struct x11drv_thread_data *x11drv_init_thread_data(void)
 596 {
 597     struct x11drv_thread_data *data;
 598
 599     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 600     {
 601         ERR( "could not create data\n" );
 602         ExitProcess(1);
 603     }
 604     wine_tsx11_lock();
 605     if (!(data->display = XOpenDisplay(NULL)))
 606     {
 607         wine_tsx11_unlock();
 608         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 609         MESSAGE( "Please ensure that your X server is running and that $DISPLAY is set correctly.\n" );
 610         ExitProcess(1);
 611     }
 612
 613     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 614
 615 #ifdef HAVE_XKB
 616     if (use_xkb)
 617     {
 618         use_xkb = XkbUseExtension( data->display, NULL, NULL );
 619         if (use_xkb)
 620         {
 621             /* Hack: dummy call to XkbKeysymToModifiers to force initialisation of Xkb internals */
 622             /* This works around an Xlib bug where it tries to get the display lock */
 623             /* twice during XFilterEvents if Xkb hasn't been initialised yet. */
 624             XkbKeysymToModifiers( data->display, 'A' );
 625             XkbSetDetectableAutoRepeat( data->display, True, NULL );
 626         }
 627     }
 628 #endif
 629
 630     if (TRACE_ON(synchronous)) XSynchronize( data->display, True );
 631     wine_tsx11_unlock();
 632
 633     if (!use_xim)
 634         data->xim = NULL;
 635     else if (!(data->xim = X11DRV_SetupXIM( data->display, input_style )))
 636         WARN("Input Method is not available\n");
 637
 638     set_queue_display_fd( data->display );
 639     data->process_event_count = 0;
 640     data->cursor = None;
 641     data->cursor_window = None;
 642     data->grab_window = None;
 643     data->last_focus = 0;
 644     data->selection_wnd = 0;
 645     TlsSetValue( thread_data_tls_index, data );
 646     return data;
 647 }
 648
 649
 650 /***********************************************************************
 651  *           X11DRV initialisation routine
 652  */
 653 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 654 {
 655     BOOL ret = TRUE;
 656
 657     switch(reason)
 658     {
 659     case DLL_PROCESS_ATTACH:
 660         ret = process_attach();
 661         break;
 662     case DLL_THREAD_DETACH:
 663         thread_detach();
 664         break;
 665     case DLL_PROCESS_DETACH:
 666         process_detach();
 667         break;
 668     }
 669     return ret;
 670 }
 671
 672 /***********************************************************************
 673  *              GetScreenSaveActive (X11DRV.@)
 674  *
 675  * Returns the active status of the screen saver
 676  */
 677 BOOL X11DRV_GetScreenSaveActive(void)
 678 {
 679     int timeout, temp;
 680     wine_tsx11_lock();
 681     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 682     wine_tsx11_unlock();
 683     return timeout != 0;
 684 }
 685
 686 /***********************************************************************
 687  *              SetScreenSaveActive (X11DRV.@)
 688  *
 689  * Activate/Deactivate the screen saver
 690  */
 691 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 692 {
 693     int timeout, interval, prefer_blanking, allow_exposures;
 694     static int last_timeout = 15 * 60;
 695
 696     wine_tsx11_lock();
 697     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 698                     &allow_exposures);
 699     if (timeout) last_timeout = timeout;
 700
 701     timeout = bActivate ? last_timeout : 0;
 702     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 703                     allow_exposures);
 704     wine_tsx11_unlock();
 705 }