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 "xcomposite.h"
  51 #include "wine/server.h"
  52 #include "wine/debug.h"
  53 #include "wine/library.h"
  54
  55 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  56 WINE_DECLARE_DEBUG_CHANNEL(synchronous);
  57 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  58
  59 static CRITICAL_SECTION X11DRV_CritSection;
  60 static CRITICAL_SECTION_DEBUG critsect_debug =
  61 {
  62     0, 0, &X11DRV_CritSection,
  63     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  64       0, 0, { (DWORD_PTR)(__FILE__ ": X11DRV_CritSection") }
  65 };
  66 static CRITICAL_SECTION X11DRV_CritSection = { &critsect_debug, -1, 0, 0, 0, 0 };
  67
  68 static Screen *screen;
  69 Visual *visual;
  70 XPixmapFormatValues **pixmap_formats;
  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 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 use_system_cursors = 1;
  84 int show_systray = 1;
  85 int grab_pointer = 1;
  86 int grab_fullscreen = 0;
  87 int managed_mode = 1;
  88 int decorated_mode = 1;
  89 int private_color_map = 0;
  90 int primary_monitor = 0;
  91 int client_side_with_render = 1;
  92 int client_side_antialias_with_core = 1;
  93 int client_side_antialias_with_render = 1;
  94 int copy_default_colors = 128;
  95 int alloc_system_colors = 256;
  96 DWORD thread_data_tls_index = TLS_OUT_OF_INDEXES;
  97 int xrender_error_base = 0;
  98 HMODULE x11drv_module = 0;
  99
 100 static x11drv_error_callback err_callback;   /* current callback for error */
 101 static Display *err_callback_display;        /* display callback is set for */
 102 static void *err_callback_arg;               /* error callback argument */
 103 static int err_callback_result;              /* error callback result */
 104 static unsigned long err_serial;             /* serial number of first request */
 105 static int (*old_error_handler)( Display *, XErrorEvent * );
 106 static int use_xim = 1;
 107 static char input_style[20];
 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 Atom X11DRV_Atoms[NB_XATOMS - FIRST_XATOM];
 115
 116 static const char * const atom_names[NB_XATOMS - FIRST_XATOM] =
 117 {
 118     "CLIPBOARD",
 119     "COMPOUND_TEXT",
 120     "INCR",
 121     "MANAGER",
 122     "MULTIPLE",
 123     "SELECTION_DATA",
 124     "TARGETS",
 125     "TEXT",
 126     "UTF8_STRING",
 127     "RAW_ASCENT",
 128     "RAW_DESCENT",
 129     "RAW_CAP_HEIGHT",
 130     "Rel X",
 131     "Rel Y",
 132     "WM_PROTOCOLS",
 133     "WM_DELETE_WINDOW",
 134     "WM_STATE",
 135     "WM_TAKE_FOCUS",
 136     "DndProtocol",
 137     "DndSelection",
 138     "_ICC_PROFILE",
 139     "_MOTIF_WM_HINTS",
 140     "_NET_STARTUP_INFO_BEGIN",
 141     "_NET_STARTUP_INFO",
 142     "_NET_SUPPORTED",
 143     "_NET_SYSTEM_TRAY_OPCODE",
 144     "_NET_SYSTEM_TRAY_S0",
 145     "_NET_WM_ICON",
 146     "_NET_WM_MOVERESIZE",
 147     "_NET_WM_NAME",
 148     "_NET_WM_PID",
 149     "_NET_WM_PING",
 150     "_NET_WM_STATE",
 151     "_NET_WM_STATE_ABOVE",
 152     "_NET_WM_STATE_FULLSCREEN",
 153     "_NET_WM_STATE_MAXIMIZED_HORZ",
 154     "_NET_WM_STATE_MAXIMIZED_VERT",
 155     "_NET_WM_STATE_SKIP_PAGER",
 156     "_NET_WM_STATE_SKIP_TASKBAR",
 157     "_NET_WM_USER_TIME",
 158     "_NET_WM_USER_TIME_WINDOW",
 159     "_NET_WM_WINDOW_OPACITY",
 160     "_NET_WM_WINDOW_TYPE",
 161     "_NET_WM_WINDOW_TYPE_DIALOG",
 162     "_NET_WM_WINDOW_TYPE_NORMAL",
 163     "_NET_WM_WINDOW_TYPE_UTILITY",
 164     "_NET_WORKAREA",
 165     "_XEMBED",
 166     "_XEMBED_INFO",
 167     "XdndAware",
 168     "XdndEnter",
 169     "XdndPosition",
 170     "XdndStatus",
 171     "XdndLeave",
 172     "XdndFinished",
 173     "XdndDrop",
 174     "XdndActionCopy",
 175     "XdndActionMove",
 176     "XdndActionLink",
 177     "XdndActionAsk",
 178     "XdndActionPrivate",
 179     "XdndSelection",
 180     "XdndTarget",
 181     "XdndTypeList",
 182     "HTML Format",
 183     "WCF_BITMAP",
 184     "WCF_DIB",
 185     "WCF_DIBV5",
 186     "WCF_DIF",
 187     "WCF_DSPBITMAP",
 188     "WCF_DSPENHMETAFILE",
 189     "WCF_DSPMETAFILEPICT",
 190     "WCF_DSPTEXT",
 191     "WCF_ENHMETAFILE",
 192     "WCF_HDROP",
 193     "WCF_LOCALE",
 194     "WCF_METAFILEPICT",
 195     "WCF_OEMTEXT",
 196     "WCF_OWNERDISPLAY",
 197     "WCF_PALETTE",
 198     "WCF_PENDATA",
 199     "WCF_RIFF",
 200     "WCF_SYLK",
 201     "WCF_TIFF",
 202     "WCF_WAVE",
 203     "image/bmp",
 204     "image/gif",
 205     "image/jpeg",
 206     "image/png",
 207     "text/html",
 208     "text/plain",
 209     "text/rtf",
 210     "text/richtext",
 211     "text/uri-list"
 212 };
 213
 214 /***********************************************************************
 215  *              ignore_error
 216  *
 217  * Check if the X error is one we can ignore.
 218  */
 219 static inline BOOL ignore_error( Display *display, XErrorEvent *event )
 220 {
 221     if ((event->request_code == X_SetInputFocus || event->request_code == X_ChangeWindowAttributes) &&
 222         (event->error_code == BadMatch || event->error_code == BadWindow)) return TRUE;
 223
 224     /* ignore a number of errors on gdi display caused by creating/destroying windows */
 225     if (display == gdi_display)
 226     {
 227         if (event->error_code == BadDrawable ||
 228             event->error_code == BadGC ||
 229             event->error_code == BadWindow)
 230             return TRUE;
 231 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
 232         if (xrender_error_base)  /* check for XRender errors */
 233         {
 234             if (event->error_code == xrender_error_base + BadPicture) return TRUE;
 235         }
 236 #endif
 237     }
 238     return FALSE;
 239 }
 240
 241
 242 /***********************************************************************
 243  *              X11DRV_expect_error
 244  *
 245  * Setup a callback function that will be called on an X error.  The
 246  * callback must return non-zero if the error is the one it expected.
 247  * This function acquires the x11 lock; X11DRV_check_error must be
 248  * called in all cases to release it.
 249  */
 250 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 251 {
 252     wine_tsx11_lock();
 253     err_callback         = callback;
 254     err_callback_display = display;
 255     err_callback_arg     = arg;
 256     err_callback_result  = 0;
 257     err_serial           = NextRequest(display);
 258 }
 259
 260
 261 /***********************************************************************
 262  *              X11DRV_check_error
 263  *
 264  * Check if an expected X11 error occurred; return non-zero if yes.
 265  * Also release the x11 lock obtained in X11DRV_expect_error.
 266  * The caller is responsible for calling XSync first if necessary.
 267  */
 268 int X11DRV_check_error(void)
 269 {
 270     int ret;
 271     err_callback = NULL;
 272     ret = err_callback_result;
 273     wine_tsx11_unlock();
 274     return ret;
 275 }
 276
 277
 278 /***********************************************************************
 279  *              error_handler
 280  */
 281 static int error_handler( Display *display, XErrorEvent *error_evt )
 282 {
 283     if (err_callback && display == err_callback_display &&
 284         (long)(error_evt->serial - err_serial) >= 0)
 285     {
 286         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 287         {
 288             TRACE( "got expected error %d req %d\n",
 289                    error_evt->error_code, error_evt->request_code );
 290             return 0;
 291         }
 292     }
 293     if (ignore_error( display, error_evt ))
 294     {
 295         TRACE( "got ignored error %d req %d\n",
 296                error_evt->error_code, error_evt->request_code );
 297         return 0;
 298     }
 299     if (TRACE_ON(synchronous))
 300     {
 301         ERR( "X protocol error: serial=%ld, request_code=%d - breaking into debugger\n",
 302              error_evt->serial, error_evt->request_code );
 303         DebugBreak();  /* force an entry in the debugger */
 304     }
 305     old_error_handler( display, error_evt );
 306     return 0;
 307 }
 308
 309 /***********************************************************************
 310  *              wine_tsx11_lock   (X11DRV.@)
 311  */
 312 void CDECL wine_tsx11_lock(void)
 313 {
 314     EnterCriticalSection( &X11DRV_CritSection );
 315 }
 316
 317 /***********************************************************************
 318  *              wine_tsx11_unlock   (X11DRV.@)
 319  */
 320 void CDECL wine_tsx11_unlock(void)
 321 {
 322     LeaveCriticalSection( &X11DRV_CritSection );
 323 }
 324
 325
 326 /***********************************************************************
 327  *              init_pixmap_formats
 328  */
 329 static void init_pixmap_formats( Display *display )
 330 {
 331     int i, count, max = 32;
 332     XPixmapFormatValues *formats = XListPixmapFormats( display, &count );
 333
 334     for (i = 0; i < count; i++)
 335     {
 336         TRACE( "depth %u, bpp %u, pad %u\n",
 337                formats[i].depth, formats[i].bits_per_pixel, formats[i].scanline_pad );
 338         if (formats[i].depth > max) max = formats[i].depth;
 339     }
 340     pixmap_formats = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pixmap_formats) * (max + 1) );
 341     for (i = 0; i < count; i++) pixmap_formats[formats[i].depth] = &formats[i];
 342 }
 343
 344
 345 /***********************************************************************
 346  *              get_config_key
 347  *
 348  * Get a config key from either the app-specific or the default config
 349  */
 350 static inline DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 351                                     char *buffer, DWORD size )
 352 {
 353     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 354     if (defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 355     return ERROR_FILE_NOT_FOUND;
 356 }
 357
 358
 359 /***********************************************************************
 360  *              setup_options
 361  *
 362  * Setup the x11drv options.
 363  */
 364 static void setup_options(void)
 365 {
 366     char buffer[MAX_PATH+16];
 367     HKEY hkey, appkey = 0;
 368     DWORD len;
 369
 370     /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
 371     if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver", &hkey )) hkey = 0;
 372
 373     /* open the app-specific key */
 374
 375     len = (GetModuleFileNameA( 0, buffer, MAX_PATH ));
 376     if (len && len < MAX_PATH)
 377     {
 378         HKEY tmpkey;
 379         char *p, *appname = buffer;
 380         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 381         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 382         strcat( appname, "\\X11 Driver" );
 383         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\X11 Driver */
 384         if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 385         {
 386             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 387             RegCloseKey( tmpkey );
 388         }
 389     }
 390
 391     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 392         managed_mode = IS_OPTION_TRUE( buffer[0] );
 393
 394     if (!get_config_key( hkey, appkey, "Decorated", buffer, sizeof(buffer) ))
 395         decorated_mode = IS_OPTION_TRUE( buffer[0] );
 396
 397     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 398         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 399
 400     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 401         usexrandr = IS_OPTION_TRUE( buffer[0] );
 402
 403     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 404         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 405
 406     if (!get_config_key( hkey, appkey, "UsePrimarySelection", buffer, sizeof(buffer) ))
 407         use_primary_selection = IS_OPTION_TRUE( buffer[0] );
 408
 409     if (!get_config_key( hkey, appkey, "UseSystemCursors", buffer, sizeof(buffer) ))
 410         use_system_cursors = IS_OPTION_TRUE( buffer[0] );
 411
 412     if (!get_config_key( hkey, appkey, "ShowSystray", buffer, sizeof(buffer) ))
 413         show_systray = IS_OPTION_TRUE( buffer[0] );
 414
 415     if (!get_config_key( hkey, appkey, "GrabPointer", buffer, sizeof(buffer) ))
 416         grab_pointer = IS_OPTION_TRUE( buffer[0] );
 417
 418     if (!get_config_key( hkey, appkey, "GrabFullscreen", buffer, sizeof(buffer) ))
 419         grab_fullscreen = IS_OPTION_TRUE( buffer[0] );
 420
 421     screen_depth = 0;
 422     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 423         screen_depth = atoi(buffer);
 424
 425     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 426         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 427
 428     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 429         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 430
 431     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 432         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 433
 434     if (!get_config_key( hkey, appkey, "UseXIM", buffer, sizeof(buffer) ))
 435         use_xim = IS_OPTION_TRUE( buffer[0] );
 436
 437     if (!get_config_key( hkey, appkey, "PrivateColorMap", buffer, sizeof(buffer) ))
 438         private_color_map = IS_OPTION_TRUE( buffer[0] );
 439
 440     if (!get_config_key( hkey, appkey, "PrimaryMonitor", buffer, sizeof(buffer) ))
 441         primary_monitor = atoi( buffer );
 442
 443     if (!get_config_key( hkey, appkey, "CopyDefaultColors", buffer, sizeof(buffer) ))
 444         copy_default_colors = atoi(buffer);
 445
 446     if (!get_config_key( hkey, appkey, "AllocSystemColors", buffer, sizeof(buffer) ))
 447         alloc_system_colors = atoi(buffer);
 448
 449     get_config_key( hkey, appkey, "InputStyle", input_style, sizeof(input_style) );
 450
 451     if (appkey) RegCloseKey( appkey );
 452     if (hkey) RegCloseKey( hkey );
 453 }
 454
 455 #ifdef SONAME_LIBXCOMPOSITE
 456
 457 #define MAKE_FUNCPTR(f) typeof(f) * p##f;
 458 MAKE_FUNCPTR(XCompositeQueryExtension)
 459 MAKE_FUNCPTR(XCompositeQueryVersion)
 460 MAKE_FUNCPTR(XCompositeVersion)
 461 MAKE_FUNCPTR(XCompositeRedirectWindow)
 462 MAKE_FUNCPTR(XCompositeRedirectSubwindows)
 463 MAKE_FUNCPTR(XCompositeUnredirectWindow)
 464 MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
 465 MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 466 MAKE_FUNCPTR(XCompositeNameWindowPixmap)
 467 #undef MAKE_FUNCPTR
 468
 469 static int xcomp_event_base;
 470 static int xcomp_error_base;
 471
 472 static void X11DRV_XComposite_Init(void)
 473 {
 474     void *xcomposite_handle = wine_dlopen(SONAME_LIBXCOMPOSITE, RTLD_NOW, NULL, 0);
 475     if (!xcomposite_handle)
 476     {
 477         TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 478         usexcomposite = 0;
 479         return;
 480     }
 481
 482 #define LOAD_FUNCPTR(f) \
 483     if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
 484         goto sym_not_found;
 485     LOAD_FUNCPTR(XCompositeQueryExtension)
 486     LOAD_FUNCPTR(XCompositeQueryVersion)
 487     LOAD_FUNCPTR(XCompositeVersion)
 488     LOAD_FUNCPTR(XCompositeRedirectWindow)
 489     LOAD_FUNCPTR(XCompositeRedirectSubwindows)
 490     LOAD_FUNCPTR(XCompositeUnredirectWindow)
 491     LOAD_FUNCPTR(XCompositeUnredirectSubwindows)
 492     LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 493     LOAD_FUNCPTR(XCompositeNameWindowPixmap)
 494 #undef LOAD_FUNCPTR
 495
 496     if(!pXCompositeQueryExtension(gdi_display, &xcomp_event_base,
 497                                   &xcomp_error_base)) {
 498         TRACE("XComposite extension could not be queried; disabled\n");
 499         wine_dlclose(xcomposite_handle, NULL, 0);
 500         xcomposite_handle = NULL;
 501         usexcomposite = 0;
 502         return;
 503     }
 504     TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base);
 505     return;
 506
 507 sym_not_found:
 508     TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 509     wine_dlclose(xcomposite_handle, NULL, 0);
 510     xcomposite_handle = NULL;
 511     usexcomposite = 0;
 512 }
 513 #endif /* defined(SONAME_LIBXCOMPOSITE) */
 514
 515
 516 /***********************************************************************
 517  *           X11DRV process initialisation routine
 518  */
 519 static BOOL process_attach(void)
 520 {
 521     char error[1024];
 522     Display *display;
 523     void *libx11 = wine_dlopen( SONAME_LIBX11, RTLD_NOW|RTLD_GLOBAL, error, sizeof(error) );
 524
 525     if (!libx11)
 526     {
 527         ERR( "failed to load %s: %s\n", SONAME_LIBX11, error );
 528         return FALSE;
 529     }
 530     pXGetEventData = wine_dlsym( libx11, "XGetEventData", NULL, 0 );
 531     pXFreeEventData = wine_dlsym( libx11, "XFreeEventData", NULL, 0 );
 532 #ifdef SONAME_LIBXEXT
 533     wine_dlopen( SONAME_LIBXEXT, RTLD_NOW|RTLD_GLOBAL, NULL, 0 );
 534 #endif
 535
 536     setup_options();
 537
 538     if ((thread_data_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES) return FALSE;
 539
 540     /* Open display */
 541
 542     if (!XInitThreads()) ERR( "XInitThreads failed, trouble ahead\n" );
 543     if (!(display = XOpenDisplay( NULL ))) return FALSE;
 544
 545     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 546     screen = DefaultScreenOfDisplay( display );
 547     visual = DefaultVisual( display, DefaultScreen(display) );
 548     root_window = DefaultRootWindow( display );
 549     gdi_display = display;
 550     old_error_handler = XSetErrorHandler( error_handler );
 551
 552     /* Initialize screen depth */
 553
 554     if (screen_depth)  /* depth specified */
 555     {
 556         int depth_count, i;
 557         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 558         for (i = 0; i < depth_count; i++)
 559             if (depth_list[i] == screen_depth) break;
 560         XFree( depth_list );
 561         if (i >= depth_count)
 562         {
 563             WARN( "invalid depth %d, using default\n", screen_depth );
 564             screen_depth = 0;
 565         }
 566     }
 567     if (!screen_depth) screen_depth = DefaultDepthOfScreen( screen );
 568     init_pixmap_formats( display );
 569     screen_bpp = pixmap_formats[screen_depth]->bits_per_pixel;
 570
 571     XInternAtoms( display, (char **)atom_names, NB_XATOMS - FIRST_XATOM, False, X11DRV_Atoms );
 572
 573     if (TRACE_ON(synchronous)) XSynchronize( display, True );
 574
 575     xinerama_init( WidthOfScreen(screen), HeightOfScreen(screen) );
 576     X11DRV_Settings_Init();
 577
 578     /* initialize XVidMode */
 579     X11DRV_XF86VM_Init();
 580     /* initialize XRandR */
 581     X11DRV_XRandR_Init();
 582 #ifdef SONAME_LIBXCOMPOSITE
 583     X11DRV_XComposite_Init();
 584 #endif
 585     X11DRV_XInput2_Init();
 586
 587 #ifdef HAVE_XKB
 588     if (use_xkb) use_xkb = XkbUseExtension( gdi_display, NULL, NULL );
 589 #endif
 590     X11DRV_InitKeyboard( gdi_display );
 591     X11DRV_InitClipboard();
 592     if (use_xim) use_xim = X11DRV_InitXIM( input_style );
 593
 594     return TRUE;
 595 }
 596
 597
 598 /***********************************************************************
 599  *           X11DRV thread termination routine
 600  */
 601 static void thread_detach(void)
 602 {
 603     struct x11drv_thread_data *data = TlsGetValue( thread_data_tls_index );
 604
 605     if (data)
 606     {
 607         X11DRV_ResetSelectionOwner();
 608         if (data->xim) XCloseIM( data->xim );
 609         if (data->font_set) XFreeFontSet( data->display, data->font_set );
 610         XCloseDisplay( data->display );
 611         HeapFree( GetProcessHeap(), 0, data );
 612     }
 613 }
 614
 615
 616 /* store the display fd into the message queue */
 617 static void set_queue_display_fd( Display *display )
 618 {
 619     HANDLE handle;
 620     int ret;
 621
 622     if (wine_server_fd_to_handle( ConnectionNumber(display), GENERIC_READ | SYNCHRONIZE, 0, &handle ))
 623     {
 624         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 625         ExitProcess(1);
 626     }
 627     SERVER_START_REQ( set_queue_fd )
 628     {
 629         req->handle = wine_server_obj_handle( handle );
 630         ret = wine_server_call( req );
 631     }
 632     SERVER_END_REQ;
 633     if (ret)
 634     {
 635         MESSAGE( "x11drv: Can't store handle for display fd\n" );
 636         ExitProcess(1);
 637     }
 638     CloseHandle( handle );
 639 }
 640
 641
 642 /***********************************************************************
 643  *           X11DRV thread initialisation routine
 644  */
 645 struct x11drv_thread_data *x11drv_init_thread_data(void)
 646 {
 647     struct x11drv_thread_data *data = x11drv_thread_data();
 648
 649     if (data) return data;
 650
 651     if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) )))
 652     {
 653         ERR( "could not create data\n" );
 654         ExitProcess(1);
 655     }
 656     wine_tsx11_lock();
 657     if (!(data->display = XOpenDisplay(NULL)))
 658     {
 659         wine_tsx11_unlock();
 660         ERR_(winediag)( "x11drv: Can't open display: %s. Please ensure that your X server is running and that $DISPLAY is set correctly.\n", XDisplayName(NULL));
 661         ExitProcess(1);
 662     }
 663
 664     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 665
 666 #ifdef HAVE_XKB
 667     if (use_xkb && XkbUseExtension( data->display, NULL, NULL ))
 668         XkbSetDetectableAutoRepeat( data->display, True, NULL );
 669 #endif
 670
 671     if (TRACE_ON(synchronous)) XSynchronize( data->display, True );
 672     wine_tsx11_unlock();
 673
 674     set_queue_display_fd( data->display );
 675     TlsSetValue( thread_data_tls_index, data );
 676
 677     if (use_xim) X11DRV_SetupXIM();
 678
 679     return data;
 680 }
 681
 682
 683 /***********************************************************************
 684  *           X11DRV initialisation routine
 685  */
 686 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 687 {
 688     BOOL ret = TRUE;
 689
 690     switch(reason)
 691     {
 692     case DLL_PROCESS_ATTACH:
 693         x11drv_module = hinst;
 694         ret = process_attach();
 695         break;
 696     case DLL_THREAD_DETACH:
 697         thread_detach();
 698         break;
 699     }
 700     return ret;
 701 }
 702
 703 /***********************************************************************
 704  *              GetScreenSaveActive (X11DRV.@)
 705  *
 706  * Returns the active status of the screen saver
 707  */
 708 BOOL CDECL X11DRV_GetScreenSaveActive(void)
 709 {
 710     int timeout, temp;
 711     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 712     return timeout != 0;
 713 }
 714
 715 /***********************************************************************
 716  *              SetScreenSaveActive (X11DRV.@)
 717  *
 718  * Activate/Deactivate the screen saver
 719  */
 720 void CDECL X11DRV_SetScreenSaveActive(BOOL bActivate)
 721 {
 722     int timeout, interval, prefer_blanking, allow_exposures;
 723     static int last_timeout = 15 * 60;
 724
 725     wine_tsx11_lock();
 726     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 727                     &allow_exposures);
 728     if (timeout) last_timeout = timeout;
 729
 730     timeout = bActivate ? last_timeout : 0;
 731     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 732                     allow_exposures);
 733     wine_tsx11_unlock();
 734 }