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 decorated_mode = 1;
  86 int private_color_map = 0;
  87 int primary_monitor = 0;
  88 int client_side_with_core = 1;
  89 int client_side_with_render = 1;
  90 int client_side_antialias_with_core = 1;
  91 int client_side_antialias_with_render = 1;
  92 int copy_default_colors = 128;
  93 int alloc_system_colors = 256;
  94 DWORD thread_data_tls_index = TLS_OUT_OF_INDEXES;
  95 int xrender_error_base = 0;
  96 HMODULE x11drv_module = 0;
  97
  98 static x11drv_error_callback err_callback;   /* current callback for error */
  99 static Display *err_callback_display;        /* display callback is set for */
 100 static void *err_callback_arg;               /* error callback argument */
 101 static int err_callback_result;              /* error callback result */
 102 static unsigned long err_serial;             /* serial number of first request */
 103 static int (*old_error_handler)( Display *, XErrorEvent * );
 104 static int use_xim = 1;
 105 static char input_style[20];
 106
 107 #define IS_OPTION_TRUE(ch) \
 108     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
 109 #define IS_OPTION_FALSE(ch) \
 110     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
 111
 112 Atom X11DRV_Atoms[NB_XATOMS - FIRST_XATOM];
 113
 114 static const char * const atom_names[NB_XATOMS - FIRST_XATOM] =
 115 {
 116     "CLIPBOARD",
 117     "COMPOUND_TEXT",
 118     "INCR",
 119     "MULTIPLE",
 120     "SELECTION_DATA",
 121     "TARGETS",
 122     "TEXT",
 123     "UTF8_STRING",
 124     "RAW_ASCENT",
 125     "RAW_DESCENT",
 126     "RAW_CAP_HEIGHT",
 127     "WM_PROTOCOLS",
 128     "WM_DELETE_WINDOW",
 129     "WM_STATE",
 130     "WM_TAKE_FOCUS",
 131     "DndProtocol",
 132     "DndSelection",
 133     "_ICC_PROFILE",
 134     "_MOTIF_WM_HINTS",
 135     "_NET_SUPPORTED",
 136     "_NET_SYSTEM_TRAY_OPCODE",
 137     "_NET_SYSTEM_TRAY_S0",
 138     "_NET_WM_MOVERESIZE",
 139     "_NET_WM_NAME",
 140     "_NET_WM_PID",
 141     "_NET_WM_PING",
 142     "_NET_WM_STATE",
 143     "_NET_WM_STATE_ABOVE",
 144     "_NET_WM_STATE_FULLSCREEN",
 145     "_NET_WM_STATE_MAXIMIZED_HORZ",
 146     "_NET_WM_STATE_MAXIMIZED_VERT",
 147     "_NET_WM_STATE_SKIP_PAGER",
 148     "_NET_WM_STATE_SKIP_TASKBAR",
 149     "_NET_WM_WINDOW_OPACITY",
 150     "_NET_WM_WINDOW_TYPE",
 151     "_NET_WM_WINDOW_TYPE_DIALOG",
 152     "_NET_WM_WINDOW_TYPE_NORMAL",
 153     "_NET_WM_WINDOW_TYPE_UTILITY",
 154     "_NET_WORKAREA",
 155     "_XEMBED_INFO",
 156     "XdndAware",
 157     "XdndEnter",
 158     "XdndPosition",
 159     "XdndStatus",
 160     "XdndLeave",
 161     "XdndFinished",
 162     "XdndDrop",
 163     "XdndActionCopy",
 164     "XdndActionMove",
 165     "XdndActionLink",
 166     "XdndActionAsk",
 167     "XdndActionPrivate",
 168     "XdndSelection",
 169     "XdndTarget",
 170     "XdndTypeList",
 171     "WCF_DIB",
 172     "image/gif",
 173     "text/html",
 174     "text/plain",
 175     "text/rtf",
 176     "text/richtext",
 177     "text/uri-list"
 178 };
 179
 180 /***********************************************************************
 181  *              ignore_error
 182  *
 183  * Check if the X error is one we can ignore.
 184  */
 185 static inline BOOL ignore_error( Display *display, XErrorEvent *event )
 186 {
 187     if (event->request_code == X_SetInputFocus && event->error_code == BadMatch) return TRUE;
 188
 189     /* ignore a number of errors on gdi display caused by creating/destroying windows */
 190     if (display == gdi_display)
 191     {
 192         if (event->error_code == BadDrawable || event->error_code == BadGC) return TRUE;
 193 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
 194         if (xrender_error_base)  /* check for XRender errors */
 195         {
 196             if (event->error_code == xrender_error_base + BadPicture) return TRUE;
 197         }
 198 #endif
 199     }
 200     return FALSE;
 201 }
 202
 203
 204 /***********************************************************************
 205  *              X11DRV_expect_error
 206  *
 207  * Setup a callback function that will be called on an X error.  The
 208  * callback must return non-zero if the error is the one it expected.
 209  * This function acquires the x11 lock; X11DRV_check_error must be
 210  * called in all cases to release it.
 211  */
 212 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 213 {
 214     wine_tsx11_lock();
 215     err_callback         = callback;
 216     err_callback_display = display;
 217     err_callback_arg     = arg;
 218     err_callback_result  = 0;
 219     err_serial           = NextRequest(display);
 220 }
 221
 222
 223 /***********************************************************************
 224  *              X11DRV_check_error
 225  *
 226  * Check if an expected X11 error occurred; return non-zero if yes.
 227  * Also release the x11 lock obtained in X11DRV_expect_error.
 228  * The caller is responsible for calling XSync first if necessary.
 229  */
 230 int X11DRV_check_error(void)
 231 {
 232     int ret;
 233     err_callback = NULL;
 234     ret = err_callback_result;
 235     wine_tsx11_unlock();
 236     return ret;
 237 }
 238
 239
 240 /***********************************************************************
 241  *              error_handler
 242  */
 243 static int error_handler( Display *display, XErrorEvent *error_evt )
 244 {
 245     if (err_callback && display == err_callback_display &&
 246         (long)(error_evt->serial - err_serial) >= 0)
 247     {
 248         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 249         {
 250             TRACE( "got expected error %d req %d\n",
 251                    error_evt->error_code, error_evt->request_code );
 252             return 0;
 253         }
 254     }
 255     if (ignore_error( display, error_evt ))
 256     {
 257         TRACE( "got ignored error %d req %d\n",
 258                error_evt->error_code, error_evt->request_code );
 259         return 0;
 260     }
 261     if (TRACE_ON(synchronous))
 262     {
 263         ERR( "X protocol error: serial=%ld, request_code=%d - breaking into debugger\n",
 264              error_evt->serial, error_evt->request_code );
 265         DebugBreak();  /* force an entry in the debugger */
 266     }
 267     old_error_handler( display, error_evt );
 268     return 0;
 269 }
 270
 271 /***********************************************************************
 272  *              wine_tsx11_lock   (X11DRV.@)
 273  */
 274 void CDECL wine_tsx11_lock(void)
 275 {
 276     EnterCriticalSection( &X11DRV_CritSection );
 277 }
 278
 279 /***********************************************************************
 280  *              wine_tsx11_unlock   (X11DRV.@)
 281  */
 282 void CDECL wine_tsx11_unlock(void)
 283 {
 284     LeaveCriticalSection( &X11DRV_CritSection );
 285 }
 286
 287
 288 /***********************************************************************
 289  *              depth_to_bpp
 290  *
 291  * Convert X11-reported depth to the BPP value that Windows apps expect to see.
 292  */
 293 unsigned int depth_to_bpp( unsigned int depth )
 294 {
 295     switch (depth)
 296     {
 297     case 1:
 298     case 8:
 299         return depth;
 300     case 15:
 301     case 16:
 302         return 16;
 303     case 24:
 304         /* This is not necessarily right. X11 always has 24 bits per pixel, but it can run
 305          * with 24 bit framebuffers and 32 bit framebuffers. It doesn't make any difference
 306          * for windowing, but gl applications can get visuals with alpha channels. So we
 307          * should check the framebuffer and/or opengl formats available to find out what the
 308          * framebuffer actually does
 309          */
 310     case 32:
 311         return 32;
 312     default:
 313         FIXME( "Unexpected X11 depth %d bpp, what to report to app?\n", depth );
 314         return depth;
 315     }
 316 }
 317
 318
 319 /***********************************************************************
 320  *              get_config_key
 321  *
 322  * Get a config key from either the app-specific or the default config
 323  */
 324 static inline DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 325                                     char *buffer, DWORD size )
 326 {
 327     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 328     if (defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 329     return ERROR_FILE_NOT_FOUND;
 330 }
 331
 332
 333 /***********************************************************************
 334  *              setup_options
 335  *
 336  * Setup the x11drv options.
 337  */
 338 static void setup_options(void)
 339 {
 340     char buffer[MAX_PATH+16];
 341     HKEY hkey, appkey = 0;
 342     DWORD len;
 343
 344     /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
 345     if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver", &hkey )) hkey = 0;
 346
 347     /* open the app-specific key */
 348
 349     len = (GetModuleFileNameA( 0, buffer, MAX_PATH ));
 350     if (len && len < MAX_PATH)
 351     {
 352         HKEY tmpkey;
 353         char *p, *appname = buffer;
 354         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 355         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 356         strcat( appname, "\\X11 Driver" );
 357         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\X11 Driver */
 358         if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 359         {
 360             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 361             RegCloseKey( tmpkey );
 362         }
 363     }
 364
 365     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 366         managed_mode = IS_OPTION_TRUE( buffer[0] );
 367
 368     if (!get_config_key( hkey, appkey, "Decorated", buffer, sizeof(buffer) ))
 369         decorated_mode = IS_OPTION_TRUE( buffer[0] );
 370
 371     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 372         dxgrab = IS_OPTION_TRUE( buffer[0] );
 373
 374     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 375         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 376
 377     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 378         usexrandr = IS_OPTION_TRUE( buffer[0] );
 379
 380     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 381         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 382
 383     if (!get_config_key( hkey, appkey, "UsePrimarySelection", buffer, sizeof(buffer) ))
 384         use_primary_selection = IS_OPTION_TRUE( buffer[0] );
 385
 386     screen_depth = 0;
 387     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 388         screen_depth = atoi(buffer);
 389
 390     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 391         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 392
 393     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 394         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 395
 396     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 397         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 398
 399     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 400         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 401
 402     if (!get_config_key( hkey, appkey, "UseXIM", buffer, sizeof(buffer) ))
 403         use_xim = IS_OPTION_TRUE( buffer[0] );
 404
 405     if (!get_config_key( hkey, appkey, "PrivateColorMap", buffer, sizeof(buffer) ))
 406         private_color_map = IS_OPTION_TRUE( buffer[0] );
 407
 408     if (!get_config_key( hkey, appkey, "PrimaryMonitor", buffer, sizeof(buffer) ))
 409         primary_monitor = atoi( buffer );
 410
 411     if (!get_config_key( hkey, appkey, "CopyDefaultColors", buffer, sizeof(buffer) ))
 412         copy_default_colors = atoi(buffer);
 413
 414     if (!get_config_key( hkey, appkey, "AllocSystemColors", buffer, sizeof(buffer) ))
 415         alloc_system_colors = atoi(buffer);
 416
 417     get_config_key( hkey, appkey, "InputStyle", input_style, sizeof(input_style) );
 418
 419     if (appkey) RegCloseKey( appkey );
 420     if (hkey) RegCloseKey( hkey );
 421 }
 422
 423 #ifdef SONAME_LIBXCOMPOSITE
 424
 425 #define MAKE_FUNCPTR(f) typeof(f) * p##f;
 426 MAKE_FUNCPTR(XCompositeQueryExtension)
 427 MAKE_FUNCPTR(XCompositeQueryVersion)
 428 MAKE_FUNCPTR(XCompositeVersion)
 429 MAKE_FUNCPTR(XCompositeRedirectWindow)
 430 MAKE_FUNCPTR(XCompositeRedirectSubwindows)
 431 MAKE_FUNCPTR(XCompositeUnredirectWindow)
 432 MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
 433 MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 434 MAKE_FUNCPTR(XCompositeNameWindowPixmap)
 435 #undef MAKE_FUNCPTR
 436
 437 static int xcomp_event_base;
 438 static int xcomp_error_base;
 439
 440 static void X11DRV_XComposite_Init(void)
 441 {
 442     void *xcomposite_handle = wine_dlopen(SONAME_LIBXCOMPOSITE, RTLD_NOW, NULL, 0);
 443     if (!xcomposite_handle)
 444     {
 445         TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 446         usexcomposite = 0;
 447         return;
 448     }
 449
 450 #define LOAD_FUNCPTR(f) \
 451     if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
 452         goto sym_not_found;
 453     LOAD_FUNCPTR(XCompositeQueryExtension)
 454     LOAD_FUNCPTR(XCompositeQueryVersion)
 455     LOAD_FUNCPTR(XCompositeVersion)
 456     LOAD_FUNCPTR(XCompositeRedirectWindow)
 457     LOAD_FUNCPTR(XCompositeRedirectSubwindows)
 458     LOAD_FUNCPTR(XCompositeUnredirectWindow)
 459     LOAD_FUNCPTR(XCompositeUnredirectSubwindows)
 460     LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 461     LOAD_FUNCPTR(XCompositeNameWindowPixmap)
 462 #undef LOAD_FUNCPTR
 463
 464     if(!pXCompositeQueryExtension(gdi_display, &xcomp_event_base,
 465                                   &xcomp_error_base)) {
 466         TRACE("XComposite extension could not be queried; disabled\n");
 467         wine_dlclose(xcomposite_handle, NULL, 0);
 468         xcomposite_handle = NULL;
 469         usexcomposite = 0;
 470         return;
 471     }
 472     TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base);
 473     return;
 474
 475 sym_not_found:
 476     TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 477     wine_dlclose(xcomposite_handle, NULL, 0);
 478     xcomposite_handle = NULL;
 479     usexcomposite = 0;
 480 }
 481 #endif /* defined(SONAME_LIBXCOMPOSITE) */
 482
 483
 484 /***********************************************************************
 485  *           X11DRV process initialisation routine
 486  */
 487 static BOOL process_attach(void)
 488 {
 489     Display *display;
 490
 491     setup_options();
 492
 493     if ((thread_data_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES) return FALSE;
 494
 495     /* Open display */
 496
 497     if (!(display = XOpenDisplay( NULL ))) return FALSE;
 498
 499     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 500     screen = DefaultScreenOfDisplay( display );
 501     visual = DefaultVisual( display, DefaultScreen(display) );
 502     root_window = DefaultRootWindow( display );
 503     gdi_display = display;
 504     old_error_handler = XSetErrorHandler( error_handler );
 505
 506     /* Initialize screen depth */
 507
 508     if (screen_depth)  /* depth specified */
 509     {
 510         int depth_count, i;
 511         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 512         for (i = 0; i < depth_count; i++)
 513             if (depth_list[i] == screen_depth) break;
 514         XFree( depth_list );
 515         if (i >= depth_count)
 516         {
 517             WARN( "invalid depth %d, using default\n", screen_depth );
 518             screen_depth = 0;
 519         }
 520     }
 521     if (!screen_depth) screen_depth = DefaultDepthOfScreen( screen );
 522     screen_bpp = depth_to_bpp( screen_depth );
 523
 524     XInternAtoms( display, (char **)atom_names, NB_XATOMS - FIRST_XATOM, False, X11DRV_Atoms );
 525
 526     if (TRACE_ON(synchronous)) XSynchronize( display, True );
 527
 528     xinerama_init( WidthOfScreen(screen), HeightOfScreen(screen) );
 529     X11DRV_Settings_Init();
 530
 531 #ifdef SONAME_LIBXXF86VM
 532     /* initialize XVidMode */
 533     X11DRV_XF86VM_Init();
 534 #endif
 535 #ifdef SONAME_LIBXRANDR
 536     /* initialize XRandR */
 537     X11DRV_XRandR_Init();
 538 #endif
 539 #ifdef SONAME_LIBXCOMPOSITE
 540     X11DRV_XComposite_Init();
 541 #endif
 542
 543 #ifdef HAVE_XKB
 544     if (use_xkb) use_xkb = XkbUseExtension( gdi_display, NULL, NULL );
 545 #endif
 546     X11DRV_InitKeyboard( gdi_display );
 547     X11DRV_InitClipboard();
 548     if (use_xim) use_xim = X11DRV_InitXIM( input_style );
 549
 550     return TRUE;
 551 }
 552
 553
 554 /***********************************************************************
 555  *           X11DRV thread termination routine
 556  */
 557 static void thread_detach(void)
 558 {
 559     struct x11drv_thread_data *data = TlsGetValue( thread_data_tls_index );
 560
 561     if (data)
 562     {
 563         X11DRV_ResetSelectionOwner();
 564         wine_tsx11_lock();
 565         if (data->xim) XCloseIM( data->xim );
 566         if (data->font_set) XFreeFontSet( data->display, data->font_set );
 567         XCloseDisplay( data->display );
 568         wine_tsx11_unlock();
 569         HeapFree( GetProcessHeap(), 0, data );
 570     }
 571 }
 572
 573
 574 /***********************************************************************
 575  *           X11DRV process termination routine
 576  */
 577 static void process_detach(void)
 578 {
 579 #ifdef SONAME_LIBXXF86VM
 580     /* cleanup XVidMode */
 581     X11DRV_XF86VM_Cleanup();
 582 #endif
 583     if(using_client_side_fonts)
 584         X11DRV_XRender_Finalize();
 585
 586     /* cleanup GDI */
 587     X11DRV_GDI_Finalize();
 588
 589     IME_UnregisterClasses();
 590     DeleteCriticalSection( &X11DRV_CritSection );
 591     TlsFree( thread_data_tls_index );
 592 }
 593
 594
 595 /* store the display fd into the message queue */
 596 static void set_queue_display_fd( Display *display )
 597 {
 598     HANDLE handle;
 599     int ret;
 600
 601     if (wine_server_fd_to_handle( ConnectionNumber(display), GENERIC_READ | SYNCHRONIZE, 0, &handle ))
 602     {
 603         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 604         ExitProcess(1);
 605     }
 606     SERVER_START_REQ( set_queue_fd )
 607     {
 608         req->handle = wine_server_obj_handle( handle );
 609         ret = wine_server_call( req );
 610     }
 611     SERVER_END_REQ;
 612     if (ret)
 613     {
 614         MESSAGE( "x11drv: Can't store handle for display fd\n" );
 615         ExitProcess(1);
 616     }
 617     CloseHandle( handle );
 618 }
 619
 620
 621 /***********************************************************************
 622  *           X11DRV thread initialisation routine
 623  */
 624 struct x11drv_thread_data *x11drv_init_thread_data(void)
 625 {
 626     struct x11drv_thread_data *data = x11drv_thread_data();
 627
 628     if (data) return data;
 629
 630     if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) )))
 631     {
 632         ERR( "could not create data\n" );
 633         ExitProcess(1);
 634     }
 635     wine_tsx11_lock();
 636     if (!(data->display = XOpenDisplay(NULL)))
 637     {
 638         wine_tsx11_unlock();
 639         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 640         MESSAGE( "Please ensure that your X server is running and that $DISPLAY is set correctly.\n" );
 641         ExitProcess(1);
 642     }
 643
 644     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 645
 646 #ifdef HAVE_XKB
 647     if (use_xkb && XkbUseExtension( data->display, NULL, NULL ))
 648         XkbSetDetectableAutoRepeat( data->display, True, NULL );
 649 #endif
 650
 651     if (TRACE_ON(synchronous)) XSynchronize( data->display, True );
 652     wine_tsx11_unlock();
 653
 654     set_queue_display_fd( data->display );
 655     TlsSetValue( thread_data_tls_index, data );
 656
 657     if (use_xim) X11DRV_SetupXIM();
 658     X11DRV_SetCursor( NULL );
 659
 660     return data;
 661 }
 662
 663
 664 /***********************************************************************
 665  *           X11DRV initialisation routine
 666  */
 667 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 668 {
 669     BOOL ret = TRUE;
 670
 671     switch(reason)
 672     {
 673     case DLL_PROCESS_ATTACH:
 674         x11drv_module = hinst;
 675         ret = process_attach();
 676         break;
 677     case DLL_THREAD_DETACH:
 678         thread_detach();
 679         break;
 680     case DLL_PROCESS_DETACH:
 681         process_detach();
 682         break;
 683     }
 684     return ret;
 685 }
 686
 687 /***********************************************************************
 688  *              GetScreenSaveActive (X11DRV.@)
 689  *
 690  * Returns the active status of the screen saver
 691  */
 692 BOOL CDECL X11DRV_GetScreenSaveActive(void)
 693 {
 694     int timeout, temp;
 695     wine_tsx11_lock();
 696     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 697     wine_tsx11_unlock();
 698     return timeout != 0;
 699 }
 700
 701 /***********************************************************************
 702  *              SetScreenSaveActive (X11DRV.@)
 703  *
 704  * Activate/Deactivate the screen saver
 705  */
 706 void CDECL X11DRV_SetScreenSaveActive(BOOL bActivate)
 707 {
 708     int timeout, interval, prefer_blanking, allow_exposures;
 709     static int last_timeout = 15 * 60;
 710
 711     wine_tsx11_lock();
 712     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 713                     &allow_exposures);
 714     if (timeout) last_timeout = timeout;
 715
 716     timeout = bActivate ? last_timeout : 0;
 717     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 718                     allow_exposures);
 719     wine_tsx11_unlock();
 720 }