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     "MULTIPLE",
 119     "SELECTION_DATA",
 120     "TARGETS",
 121     "TEXT",
 122     "UTF8_STRING",
 123     "RAW_ASCENT",
 124     "RAW_DESCENT",
 125     "RAW_CAP_HEIGHT",
 126     "WM_PROTOCOLS",
 127     "WM_DELETE_WINDOW",
 128     "WM_STATE",
 129     "WM_TAKE_FOCUS",
 130     "DndProtocol",
 131     "DndSelection",
 132     "_ICC_PROFILE",
 133     "_MOTIF_WM_HINTS",
 134     "_NET_SUPPORTED",
 135     "_NET_SYSTEM_TRAY_OPCODE",
 136     "_NET_SYSTEM_TRAY_S0",
 137     "_NET_WM_MOVERESIZE",
 138     "_NET_WM_NAME",
 139     "_NET_WM_PID",
 140     "_NET_WM_PING",
 141     "_NET_WM_STATE",
 142     "_NET_WM_STATE_ABOVE",
 143     "_NET_WM_STATE_FULLSCREEN",
 144     "_NET_WM_STATE_MAXIMIZED_HORZ",
 145     "_NET_WM_STATE_MAXIMIZED_VERT",
 146     "_NET_WM_STATE_SKIP_PAGER",
 147     "_NET_WM_STATE_SKIP_TASKBAR",
 148     "_NET_WM_WINDOW_TYPE",
 149     "_NET_WM_WINDOW_TYPE_DIALOG",
 150     "_NET_WM_WINDOW_TYPE_NORMAL",
 151     "_NET_WM_WINDOW_TYPE_UTILITY",
 152     "_XEMBED_INFO",
 153     "XdndAware",
 154     "XdndEnter",
 155     "XdndPosition",
 156     "XdndStatus",
 157     "XdndLeave",
 158     "XdndFinished",
 159     "XdndDrop",
 160     "XdndActionCopy",
 161     "XdndActionMove",
 162     "XdndActionLink",
 163     "XdndActionAsk",
 164     "XdndActionPrivate",
 165     "XdndSelection",
 166     "XdndTarget",
 167     "XdndTypeList",
 168     "WCF_DIB",
 169     "image/gif",
 170     "text/html",
 171     "text/plain",
 172     "text/rtf",
 173     "text/richtext",
 174     "text/uri-list"
 175 };
 176
 177 /***********************************************************************
 178  *              ignore_error
 179  *
 180  * Check if the X error is one we can ignore.
 181  */
 182 static inline BOOL ignore_error( Display *display, XErrorEvent *event )
 183 {
 184     if (event->request_code == X_SetInputFocus && event->error_code == BadMatch) return TRUE;
 185
 186     /* ignore a number of errors on gdi display caused by creating/destroying windows */
 187     if (display == gdi_display)
 188     {
 189         if (event->error_code == BadDrawable || event->error_code == BadGC) return TRUE;
 190 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
 191         if (xrender_error_base)  /* check for XRender errors */
 192         {
 193             if (event->error_code == xrender_error_base + BadPicture) return TRUE;
 194         }
 195 #endif
 196     }
 197     return FALSE;
 198 }
 199
 200
 201 /***********************************************************************
 202  *              X11DRV_expect_error
 203  *
 204  * Setup a callback function that will be called on an X error.  The
 205  * callback must return non-zero if the error is the one it expected.
 206  * This function acquires the x11 lock; X11DRV_check_error must be
 207  * called in all cases to release it.
 208  */
 209 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 210 {
 211     wine_tsx11_lock();
 212     err_callback         = callback;
 213     err_callback_display = display;
 214     err_callback_arg     = arg;
 215     err_callback_result  = 0;
 216     err_serial           = NextRequest(display);
 217 }
 218
 219
 220 /***********************************************************************
 221  *              X11DRV_check_error
 222  *
 223  * Check if an expected X11 error occurred; return non-zero if yes.
 224  * Also release the x11 lock obtained in X11DRV_expect_error.
 225  * The caller is responsible for calling XSync first if necessary.
 226  */
 227 int X11DRV_check_error(void)
 228 {
 229     int ret;
 230     err_callback = NULL;
 231     ret = err_callback_result;
 232     wine_tsx11_unlock();
 233     return ret;
 234 }
 235
 236
 237 /***********************************************************************
 238  *              error_handler
 239  */
 240 static int error_handler( Display *display, XErrorEvent *error_evt )
 241 {
 242     if (err_callback && display == err_callback_display &&
 243         (long)(error_evt->serial - err_serial) >= 0)
 244     {
 245         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 246         {
 247             TRACE( "got expected error %d req %d\n",
 248                    error_evt->error_code, error_evt->request_code );
 249             return 0;
 250         }
 251     }
 252     if (ignore_error( display, error_evt ))
 253     {
 254         TRACE( "got ignored error %d req %d\n",
 255                error_evt->error_code, error_evt->request_code );
 256         return 0;
 257     }
 258     if (TRACE_ON(synchronous))
 259     {
 260         ERR( "X protocol error: serial=%ld, request_code=%d - breaking into debugger\n",
 261              error_evt->serial, error_evt->request_code );
 262         DebugBreak();  /* force an entry in the debugger */
 263     }
 264     old_error_handler( display, error_evt );
 265     return 0;
 266 }
 267
 268 /***********************************************************************
 269  *              wine_tsx11_lock   (X11DRV.@)
 270  */
 271 void wine_tsx11_lock(void)
 272 {
 273     EnterCriticalSection( &X11DRV_CritSection );
 274 }
 275
 276 /***********************************************************************
 277  *              wine_tsx11_unlock   (X11DRV.@)
 278  */
 279 void wine_tsx11_unlock(void)
 280 {
 281     LeaveCriticalSection( &X11DRV_CritSection );
 282 }
 283
 284
 285 /***********************************************************************
 286  *              depth_to_bpp
 287  *
 288  * Convert X11-reported depth to the BPP value that Windows apps expect to see.
 289  */
 290 unsigned int depth_to_bpp( unsigned int depth )
 291 {
 292     switch (depth)
 293     {
 294     case 1:
 295     case 8:
 296         return depth;
 297     case 15:
 298     case 16:
 299         return 16;
 300     case 24:
 301         /* This is not necessarily right. X11 always has 24 bits per pixel, but it can run
 302          * with 24 bit framebuffers and 32 bit framebuffers. It doesn't make any difference
 303          * for windowing, but gl applications can get visuals with alpha channels. So we
 304          * should check the framebuffer and/or opengl formats available to find out what the
 305          * framebuffer actually does
 306          */
 307     case 32:
 308         return 32;
 309     default:
 310         FIXME( "Unexpected X11 depth %d bpp, what to report to app?\n", depth );
 311         return depth;
 312     }
 313 }
 314
 315
 316 /***********************************************************************
 317  *              get_config_key
 318  *
 319  * Get a config key from either the app-specific or the default config
 320  */
 321 static inline DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 322                                     char *buffer, DWORD size )
 323 {
 324     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 325     if (defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 326     return ERROR_FILE_NOT_FOUND;
 327 }
 328
 329
 330 /***********************************************************************
 331  *              setup_options
 332  *
 333  * Setup the x11drv options.
 334  */
 335 static void setup_options(void)
 336 {
 337     char buffer[MAX_PATH+16];
 338     HKEY hkey, appkey = 0;
 339     DWORD len;
 340
 341     /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
 342     if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver", &hkey )) hkey = 0;
 343
 344     /* open the app-specific key */
 345
 346     len = (GetModuleFileNameA( 0, buffer, MAX_PATH ));
 347     if (len && len < MAX_PATH)
 348     {
 349         HKEY tmpkey;
 350         char *p, *appname = buffer;
 351         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 352         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 353         strcat( appname, "\\X11 Driver" );
 354         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\X11 Driver */
 355         if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 356         {
 357             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 358             RegCloseKey( tmpkey );
 359         }
 360     }
 361
 362     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 363         managed_mode = IS_OPTION_TRUE( buffer[0] );
 364
 365     if (!get_config_key( hkey, appkey, "Decorated", buffer, sizeof(buffer) ))
 366         decorated_mode = IS_OPTION_TRUE( buffer[0] );
 367
 368     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 369         dxgrab = IS_OPTION_TRUE( buffer[0] );
 370
 371     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 372         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 373
 374     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 375         usexrandr = IS_OPTION_TRUE( buffer[0] );
 376
 377     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 378         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 379
 380     if (!get_config_key( hkey, appkey, "UsePrimarySelection", buffer, sizeof(buffer) ))
 381         use_primary_selection = IS_OPTION_TRUE( buffer[0] );
 382
 383     screen_depth = 0;
 384     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 385         screen_depth = atoi(buffer);
 386
 387     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 388         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 389
 390     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 391         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 392
 393     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 394         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 395
 396     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 397         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 398
 399     if (!get_config_key( hkey, appkey, "UseXIM", buffer, sizeof(buffer) ))
 400         use_xim = IS_OPTION_TRUE( buffer[0] );
 401
 402     if (!get_config_key( hkey, appkey, "PrivateColorMap", buffer, sizeof(buffer) ))
 403         private_color_map = IS_OPTION_TRUE( buffer[0] );
 404
 405     if (!get_config_key( hkey, appkey, "PrimaryMonitor", buffer, sizeof(buffer) ))
 406         primary_monitor = atoi( buffer );
 407
 408     if (!get_config_key( hkey, appkey, "CopyDefaultColors", buffer, sizeof(buffer) ))
 409         copy_default_colors = atoi(buffer);
 410
 411     if (!get_config_key( hkey, appkey, "AllocSystemColors", buffer, sizeof(buffer) ))
 412         alloc_system_colors = atoi(buffer);
 413
 414     get_config_key( hkey, appkey, "InputStyle", input_style, sizeof(input_style) );
 415
 416     if (appkey) RegCloseKey( appkey );
 417     if (hkey) RegCloseKey( hkey );
 418 }
 419
 420 #ifdef SONAME_LIBXCOMPOSITE
 421
 422 #define MAKE_FUNCPTR(f) typeof(f) * p##f;
 423 MAKE_FUNCPTR(XCompositeQueryExtension)
 424 MAKE_FUNCPTR(XCompositeQueryVersion)
 425 MAKE_FUNCPTR(XCompositeVersion)
 426 MAKE_FUNCPTR(XCompositeRedirectWindow)
 427 MAKE_FUNCPTR(XCompositeRedirectSubwindows)
 428 MAKE_FUNCPTR(XCompositeUnredirectWindow)
 429 MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
 430 MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 431 MAKE_FUNCPTR(XCompositeNameWindowPixmap)
 432 #undef MAKE_FUNCPTR
 433
 434 static int xcomp_event_base;
 435 static int xcomp_error_base;
 436
 437 static void X11DRV_XComposite_Init(void)
 438 {
 439     void *xcomposite_handle = wine_dlopen(SONAME_LIBXCOMPOSITE, RTLD_NOW, NULL, 0);
 440     if (!xcomposite_handle)
 441     {
 442         TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 443         usexcomposite = 0;
 444         return;
 445     }
 446
 447 #define LOAD_FUNCPTR(f) \
 448     if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
 449         goto sym_not_found;
 450     LOAD_FUNCPTR(XCompositeQueryExtension)
 451     LOAD_FUNCPTR(XCompositeQueryVersion)
 452     LOAD_FUNCPTR(XCompositeVersion)
 453     LOAD_FUNCPTR(XCompositeRedirectWindow)
 454     LOAD_FUNCPTR(XCompositeRedirectSubwindows)
 455     LOAD_FUNCPTR(XCompositeUnredirectWindow)
 456     LOAD_FUNCPTR(XCompositeUnredirectSubwindows)
 457     LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 458     LOAD_FUNCPTR(XCompositeNameWindowPixmap)
 459 #undef LOAD_FUNCPTR
 460
 461     if(!pXCompositeQueryExtension(gdi_display, &xcomp_event_base,
 462                                   &xcomp_error_base)) {
 463         TRACE("XComposite extension could not be queried; disabled\n");
 464         wine_dlclose(xcomposite_handle, NULL, 0);
 465         xcomposite_handle = NULL;
 466         usexcomposite = 0;
 467         return;
 468     }
 469     TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base);
 470     return;
 471
 472 sym_not_found:
 473     TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 474     wine_dlclose(xcomposite_handle, NULL, 0);
 475     xcomposite_handle = NULL;
 476     usexcomposite = 0;
 477 }
 478 #endif /* defined(SONAME_LIBXCOMPOSITE) */
 479
 480
 481 /***********************************************************************
 482  *           X11DRV process initialisation routine
 483  */
 484 static BOOL process_attach(void)
 485 {
 486     Display *display;
 487
 488     setup_options();
 489
 490     if ((thread_data_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES) return FALSE;
 491
 492     /* Open display */
 493
 494     if (!(display = XOpenDisplay( NULL ))) return FALSE;
 495
 496     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 497     screen = DefaultScreenOfDisplay( display );
 498     visual = DefaultVisual( display, DefaultScreen(display) );
 499     root_window = DefaultRootWindow( display );
 500     gdi_display = display;
 501     old_error_handler = XSetErrorHandler( error_handler );
 502
 503     /* Initialize screen depth */
 504
 505     if (screen_depth)  /* depth specified */
 506     {
 507         int depth_count, i;
 508         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 509         for (i = 0; i < depth_count; i++)
 510             if (depth_list[i] == screen_depth) break;
 511         XFree( depth_list );
 512         if (i >= depth_count)
 513         {
 514             WARN( "invalid depth %d, using default\n", screen_depth );
 515             screen_depth = 0;
 516         }
 517     }
 518     if (!screen_depth) screen_depth = DefaultDepthOfScreen( screen );
 519     screen_bpp = depth_to_bpp( screen_depth );
 520
 521     XInternAtoms( display, (char **)atom_names, NB_XATOMS - FIRST_XATOM, False, X11DRV_Atoms );
 522
 523     if (TRACE_ON(synchronous)) XSynchronize( display, True );
 524
 525     xinerama_init( WidthOfScreen(screen), HeightOfScreen(screen) );
 526     X11DRV_Settings_Init();
 527
 528 #ifdef HAVE_LIBXXF86VM
 529     /* initialize XVidMode */
 530     X11DRV_XF86VM_Init();
 531 #endif
 532 #ifdef SONAME_LIBXRANDR
 533     /* initialize XRandR */
 534     X11DRV_XRandR_Init();
 535 #endif
 536 #ifdef SONAME_LIBXCOMPOSITE
 537     X11DRV_XComposite_Init();
 538 #endif
 539
 540     X11DRV_InitKeyboard( gdi_display );
 541     X11DRV_InitClipboard();
 542     if (use_xim) use_xim = X11DRV_InitXIM( input_style );
 543
 544     return TRUE;
 545 }
 546
 547
 548 /***********************************************************************
 549  *           X11DRV thread termination routine
 550  */
 551 static void thread_detach(void)
 552 {
 553     struct x11drv_thread_data *data = TlsGetValue( thread_data_tls_index );
 554
 555     if (data)
 556     {
 557         X11DRV_ResetSelectionOwner();
 558         wine_tsx11_lock();
 559         if (data->xim) XCloseIM( data->xim );
 560         XCloseDisplay( data->display );
 561         wine_tsx11_unlock();
 562         HeapFree( GetProcessHeap(), 0, data );
 563     }
 564 }
 565
 566
 567 /***********************************************************************
 568  *           X11DRV process termination routine
 569  */
 570 static void process_detach(void)
 571 {
 572 #ifdef HAVE_LIBXXF86VM
 573     /* cleanup XVidMode */
 574     X11DRV_XF86VM_Cleanup();
 575 #endif
 576     if(using_client_side_fonts)
 577         X11DRV_XRender_Finalize();
 578
 579     /* cleanup GDI */
 580     X11DRV_GDI_Finalize();
 581
 582     IME_UnregisterClasses();
 583     DeleteCriticalSection( &X11DRV_CritSection );
 584     TlsFree( thread_data_tls_index );
 585 }
 586
 587
 588 /* store the display fd into the message queue */
 589 static void set_queue_display_fd( Display *display )
 590 {
 591     HANDLE handle;
 592     int ret;
 593
 594     if (wine_server_fd_to_handle( ConnectionNumber(display), GENERIC_READ | SYNCHRONIZE, 0, &handle ))
 595     {
 596         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 597         ExitProcess(1);
 598     }
 599     SERVER_START_REQ( set_queue_fd )
 600     {
 601         req->handle = handle;
 602         ret = wine_server_call( req );
 603     }
 604     SERVER_END_REQ;
 605     if (ret)
 606     {
 607         MESSAGE( "x11drv: Can't store handle for display fd\n" );
 608         ExitProcess(1);
 609     }
 610     CloseHandle( handle );
 611 }
 612
 613
 614 /***********************************************************************
 615  *           X11DRV thread initialisation routine
 616  */
 617 struct x11drv_thread_data *x11drv_init_thread_data(void)
 618 {
 619     struct x11drv_thread_data *data;
 620
 621     if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) )))
 622     {
 623         ERR( "could not create data\n" );
 624         ExitProcess(1);
 625     }
 626     wine_tsx11_lock();
 627     if (!(data->display = XOpenDisplay(NULL)))
 628     {
 629         wine_tsx11_unlock();
 630         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 631         MESSAGE( "Please ensure that your X server is running and that $DISPLAY is set correctly.\n" );
 632         ExitProcess(1);
 633     }
 634
 635     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 636
 637 #ifdef HAVE_XKB
 638     if (use_xkb)
 639     {
 640         use_xkb = XkbUseExtension( data->display, NULL, NULL );
 641         if (use_xkb)
 642         {
 643             /* Hack: dummy call to XkbKeysymToModifiers to force initialisation of Xkb internals */
 644             /* This works around an Xlib bug where it tries to get the display lock */
 645             /* twice during XFilterEvents if Xkb hasn't been initialised yet. */
 646             XkbKeysymToModifiers( data->display, 'A' );
 647             XkbSetDetectableAutoRepeat( data->display, True, NULL );
 648         }
 649     }
 650 #endif
 651
 652     if (TRACE_ON(synchronous)) XSynchronize( data->display, True );
 653     wine_tsx11_unlock();
 654
 655     set_queue_display_fd( data->display );
 656     TlsSetValue( thread_data_tls_index, data );
 657
 658     if (use_xim) X11DRV_SetupXIM();
 659     X11DRV_SetCursor( NULL );
 660
 661     return data;
 662 }
 663
 664
 665 /***********************************************************************
 666  *           X11DRV initialisation routine
 667  */
 668 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 669 {
 670     BOOL ret = TRUE;
 671
 672     switch(reason)
 673     {
 674     case DLL_PROCESS_ATTACH:
 675         x11drv_module = hinst;
 676         ret = process_attach();
 677         break;
 678     case DLL_THREAD_DETACH:
 679         thread_detach();
 680         break;
 681     case DLL_PROCESS_DETACH:
 682         process_detach();
 683         break;
 684     }
 685     return ret;
 686 }
 687
 688 /***********************************************************************
 689  *              GetScreenSaveActive (X11DRV.@)
 690  *
 691  * Returns the active status of the screen saver
 692  */
 693 BOOL X11DRV_GetScreenSaveActive(void)
 694 {
 695     int timeout, temp;
 696     wine_tsx11_lock();
 697     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 698     wine_tsx11_unlock();
 699     return timeout != 0;
 700 }
 701
 702 /***********************************************************************
 703  *              SetScreenSaveActive (X11DRV.@)
 704  *
 705  * Activate/Deactivate the screen saver
 706  */
 707 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 708 {
 709     int timeout, interval, prefer_blanking, allow_exposures;
 710     static int last_timeout = 15 * 60;
 711
 712     wine_tsx11_lock();
 713     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 714                     &allow_exposures);
 715     if (timeout) last_timeout = timeout;
 716
 717     timeout = bActivate ? last_timeout : 0;
 718     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 719                     allow_exposures);
 720     wine_tsx11_unlock();
 721 }