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_STATE",
 127     "WM_TAKE_FOCUS",
 128     "KWM_DOCKWINDOW",
 129     "DndProtocol",
 130     "DndSelection",
 131     "_ICC_PROFILE",
 132     "_MOTIF_WM_HINTS",
 133     "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR",
 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, "DXGrab", buffer, sizeof(buffer) ))
 366         dxgrab = IS_OPTION_TRUE( buffer[0] );
 367
 368     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 369         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 370
 371     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 372         usexrandr = IS_OPTION_TRUE( buffer[0] );
 373
 374     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 375         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 376
 377     if (!get_config_key( hkey, appkey, "UsePrimarySelection", buffer, sizeof(buffer) ))
 378         use_primary_selection = IS_OPTION_TRUE( buffer[0] );
 379
 380     screen_depth = 0;
 381     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 382         screen_depth = atoi(buffer);
 383
 384     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 385         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 386
 387     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 388         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 389
 390     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 391         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 392
 393     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 394         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 395
 396     if (!get_config_key( hkey, appkey, "UseXIM", buffer, sizeof(buffer) ))
 397         use_xim = IS_OPTION_TRUE( buffer[0] );
 398
 399     if (!get_config_key( hkey, appkey, "PrivateColorMap", buffer, sizeof(buffer) ))
 400         private_color_map = IS_OPTION_TRUE( buffer[0] );
 401
 402     if (!get_config_key( hkey, appkey, "PrimaryMonitor", buffer, sizeof(buffer) ))
 403         primary_monitor = atoi( buffer );
 404
 405     if (!get_config_key( hkey, appkey, "CopyDefaultColors", buffer, sizeof(buffer) ))
 406         copy_default_colors = atoi(buffer);
 407
 408     if (!get_config_key( hkey, appkey, "AllocSystemColors", buffer, sizeof(buffer) ))
 409         alloc_system_colors = atoi(buffer);
 410
 411     get_config_key( hkey, appkey, "InputStyle", input_style, sizeof(input_style) );
 412
 413     if (appkey) RegCloseKey( appkey );
 414     if (hkey) RegCloseKey( hkey );
 415 }
 416
 417 #ifdef SONAME_LIBXCOMPOSITE
 418
 419 #define MAKE_FUNCPTR(f) typeof(f) * p##f;
 420 MAKE_FUNCPTR(XCompositeQueryExtension)
 421 MAKE_FUNCPTR(XCompositeQueryVersion)
 422 MAKE_FUNCPTR(XCompositeVersion)
 423 MAKE_FUNCPTR(XCompositeRedirectWindow)
 424 MAKE_FUNCPTR(XCompositeRedirectSubwindows)
 425 MAKE_FUNCPTR(XCompositeUnredirectWindow)
 426 MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
 427 MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 428 MAKE_FUNCPTR(XCompositeNameWindowPixmap)
 429 #undef MAKE_FUNCPTR
 430
 431 static int xcomp_event_base;
 432 static int xcomp_error_base;
 433
 434 static void X11DRV_XComposite_Init(void)
 435 {
 436     void *xcomposite_handle = wine_dlopen(SONAME_LIBXCOMPOSITE, RTLD_NOW, NULL, 0);
 437     if (!xcomposite_handle)
 438     {
 439         TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 440         usexcomposite = 0;
 441         return;
 442     }
 443
 444 #define LOAD_FUNCPTR(f) \
 445     if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
 446         goto sym_not_found;
 447     LOAD_FUNCPTR(XCompositeQueryExtension)
 448     LOAD_FUNCPTR(XCompositeQueryVersion)
 449     LOAD_FUNCPTR(XCompositeVersion)
 450     LOAD_FUNCPTR(XCompositeRedirectWindow)
 451     LOAD_FUNCPTR(XCompositeRedirectSubwindows)
 452     LOAD_FUNCPTR(XCompositeUnredirectWindow)
 453     LOAD_FUNCPTR(XCompositeUnredirectSubwindows)
 454     LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 455     LOAD_FUNCPTR(XCompositeNameWindowPixmap)
 456 #undef LOAD_FUNCPTR
 457
 458     if(!pXCompositeQueryExtension(gdi_display, &xcomp_event_base,
 459                                   &xcomp_error_base)) {
 460         TRACE("XComposite extension could not be queried; disabled\n");
 461         wine_dlclose(xcomposite_handle, NULL, 0);
 462         xcomposite_handle = NULL;
 463         usexcomposite = 0;
 464         return;
 465     }
 466     TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base);
 467     return;
 468
 469 sym_not_found:
 470     TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 471     wine_dlclose(xcomposite_handle, NULL, 0);
 472     xcomposite_handle = NULL;
 473     usexcomposite = 0;
 474 }
 475 #endif /* defined(SONAME_LIBXCOMPOSITE) */
 476
 477
 478 /***********************************************************************
 479  *           X11DRV process initialisation routine
 480  */
 481 static BOOL process_attach(void)
 482 {
 483     Display *display;
 484     const char *env;
 485
 486     setup_options();
 487
 488     if ((thread_data_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES) return FALSE;
 489
 490     /* Open display */
 491
 492     if (!(env = getenv("XMODIFIERS")) || !*env)  /* try to avoid the Xlib XIM locking bug */
 493         if (!XInitThreads()) ERR( "XInitThreads failed, trouble ahead\n" );
 494
 495     if (!(display = XOpenDisplay( NULL ))) return FALSE;
 496
 497     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 498     screen = DefaultScreenOfDisplay( display );
 499     visual = DefaultVisual( display, DefaultScreen(display) );
 500     root_window = DefaultRootWindow( display );
 501     gdi_display = display;
 502     old_error_handler = XSetErrorHandler( error_handler );
 503
 504     /* Initialize screen depth */
 505
 506     if (screen_depth)  /* depth specified */
 507     {
 508         int depth_count, i;
 509         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 510         for (i = 0; i < depth_count; i++)
 511             if (depth_list[i] == screen_depth) break;
 512         XFree( depth_list );
 513         if (i >= depth_count)
 514         {
 515             WARN( "invalid depth %d, using default\n", screen_depth );
 516             screen_depth = 0;
 517         }
 518     }
 519     if (!screen_depth) screen_depth = DefaultDepthOfScreen( screen );
 520     screen_bpp = depth_to_bpp( screen_depth );
 521
 522     XInternAtoms( display, (char **)atom_names, NB_XATOMS - FIRST_XATOM, False, X11DRV_Atoms );
 523
 524     if (TRACE_ON(synchronous)) XSynchronize( display, True );
 525
 526     xinerama_init( WidthOfScreen(screen), HeightOfScreen(screen) );
 527     X11DRV_Settings_Init();
 528
 529 #ifdef HAVE_LIBXXF86VM
 530     /* initialize XVidMode */
 531     X11DRV_XF86VM_Init();
 532 #endif
 533 #ifdef SONAME_LIBXRANDR
 534     /* initialize XRandR */
 535     X11DRV_XRandR_Init();
 536 #endif
 537 #ifdef SONAME_LIBXCOMPOSITE
 538     X11DRV_XComposite_Init();
 539 #endif
 540
 541     X11DRV_InitKeyboard( gdi_display );
 542     X11DRV_InitClipboard();
 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     DeleteCriticalSection( &X11DRV_CritSection );
 583     TlsFree( thread_data_tls_index );
 584 }
 585
 586
 587 /* store the display fd into the message queue */
 588 static void set_queue_display_fd( Display *display )
 589 {
 590     HANDLE handle;
 591     int ret;
 592
 593     if (wine_server_fd_to_handle( ConnectionNumber(display), GENERIC_READ | SYNCHRONIZE, 0, &handle ))
 594     {
 595         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 596         ExitProcess(1);
 597     }
 598     SERVER_START_REQ( set_queue_fd )
 599     {
 600         req->handle = handle;
 601         ret = wine_server_call( req );
 602     }
 603     SERVER_END_REQ;
 604     if (ret)
 605     {
 606         MESSAGE( "x11drv: Can't store handle for display fd\n" );
 607         ExitProcess(1);
 608     }
 609     CloseHandle( handle );
 610 }
 611
 612
 613 /***********************************************************************
 614  *           X11DRV thread initialisation routine
 615  */
 616 struct x11drv_thread_data *x11drv_init_thread_data(void)
 617 {
 618     struct x11drv_thread_data *data;
 619
 620     if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) )))
 621     {
 622         ERR( "could not create data\n" );
 623         ExitProcess(1);
 624     }
 625     wine_tsx11_lock();
 626     if (!(data->display = XOpenDisplay(NULL)))
 627     {
 628         wine_tsx11_unlock();
 629         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 630         MESSAGE( "Please ensure that your X server is running and that $DISPLAY is set correctly.\n" );
 631         ExitProcess(1);
 632     }
 633
 634     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 635
 636 #ifdef HAVE_XKB
 637     if (use_xkb)
 638     {
 639         use_xkb = XkbUseExtension( data->display, NULL, NULL );
 640         if (use_xkb)
 641         {
 642             /* Hack: dummy call to XkbKeysymToModifiers to force initialisation of Xkb internals */
 643             /* This works around an Xlib bug where it tries to get the display lock */
 644             /* twice during XFilterEvents if Xkb hasn't been initialised yet. */
 645             XkbKeysymToModifiers( data->display, 'A' );
 646             XkbSetDetectableAutoRepeat( data->display, True, NULL );
 647         }
 648     }
 649 #endif
 650
 651     if (TRACE_ON(synchronous)) XSynchronize( data->display, True );
 652     wine_tsx11_unlock();
 653
 654     if (use_xim && !(data->xim = X11DRV_SetupXIM( data->display, input_style )))
 655         WARN("Input Method is not available\n");
 656
 657     set_queue_display_fd( data->display );
 658     TlsSetValue( thread_data_tls_index, data );
 659     X11DRV_SetCursor( NULL );
 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         ret = process_attach();
 675         break;
 676     case DLL_THREAD_DETACH:
 677         thread_detach();
 678         break;
 679     case DLL_PROCESS_DETACH:
 680         process_detach();
 681         break;
 682     }
 683     return ret;
 684 }
 685
 686 /***********************************************************************
 687  *              GetScreenSaveActive (X11DRV.@)
 688  *
 689  * Returns the active status of the screen saver
 690  */
 691 BOOL X11DRV_GetScreenSaveActive(void)
 692 {
 693     int timeout, temp;
 694     wine_tsx11_lock();
 695     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 696     wine_tsx11_unlock();
 697     return timeout != 0;
 698 }
 699
 700 /***********************************************************************
 701  *              SetScreenSaveActive (X11DRV.@)
 702  *
 703  * Activate/Deactivate the screen saver
 704  */
 705 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 706 {
 707     int timeout, interval, prefer_blanking, allow_exposures;
 708     static int last_timeout = 15 * 60;
 709
 710     wine_tsx11_lock();
 711     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 712                     &allow_exposures);
 713     if (timeout) last_timeout = timeout;
 714
 715     timeout = bActivate ? last_timeout : 0;
 716     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 717                     allow_exposures);
 718     wine_tsx11_unlock();
 719 }