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     "_MOTIF_WM_HINTS",
 132     "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR",
 133     "_NET_SYSTEM_TRAY_OPCODE",
 134     "_NET_SYSTEM_TRAY_S0",
 135     "_NET_WM_MOVERESIZE",
 136     "_NET_WM_NAME",
 137     "_NET_WM_PID",
 138     "_NET_WM_PING",
 139     "_NET_WM_STATE",
 140     "_NET_WM_STATE_ABOVE",
 141     "_NET_WM_STATE_FULLSCREEN",
 142     "_NET_WM_STATE_MAXIMIZED_HORZ",
 143     "_NET_WM_STATE_MAXIMIZED_VERT",
 144     "_NET_WM_STATE_SKIP_PAGER",
 145     "_NET_WM_STATE_SKIP_TASKBAR",
 146     "_NET_WM_WINDOW_TYPE",
 147     "_NET_WM_WINDOW_TYPE_DIALOG",
 148     "_NET_WM_WINDOW_TYPE_NORMAL",
 149     "_NET_WM_WINDOW_TYPE_UTILITY",
 150     "_XEMBED_INFO",
 151     "XdndAware",
 152     "XdndEnter",
 153     "XdndPosition",
 154     "XdndStatus",
 155     "XdndLeave",
 156     "XdndFinished",
 157     "XdndDrop",
 158     "XdndActionCopy",
 159     "XdndActionMove",
 160     "XdndActionLink",
 161     "XdndActionAsk",
 162     "XdndActionPrivate",
 163     "XdndSelection",
 164     "XdndTarget",
 165     "XdndTypeList",
 166     "WCF_DIB",
 167     "image/gif",
 168     "text/html",
 169     "text/plain",
 170     "text/rtf",
 171     "text/richtext",
 172     "text/uri-list"
 173 };
 174
 175 /***********************************************************************
 176  *              ignore_error
 177  *
 178  * Check if the X error is one we can ignore.
 179  */
 180 static inline BOOL ignore_error( Display *display, XErrorEvent *event )
 181 {
 182     if (event->request_code == X_SetInputFocus && event->error_code == BadMatch) return TRUE;
 183
 184     /* ignore a number of errors on gdi display caused by creating/destroying windows */
 185     if (display == gdi_display)
 186     {
 187         if (event->error_code == BadDrawable || event->error_code == BadGC) return TRUE;
 188 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
 189         if (xrender_error_base)  /* check for XRender errors */
 190         {
 191             if (event->error_code == xrender_error_base + BadPicture) return TRUE;
 192         }
 193 #endif
 194     }
 195     return FALSE;
 196 }
 197
 198
 199 /***********************************************************************
 200  *              X11DRV_expect_error
 201  *
 202  * Setup a callback function that will be called on an X error.  The
 203  * callback must return non-zero if the error is the one it expected.
 204  * This function acquires the x11 lock; X11DRV_check_error must be
 205  * called in all cases to release it.
 206  */
 207 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
 208 {
 209     wine_tsx11_lock();
 210     err_callback         = callback;
 211     err_callback_display = display;
 212     err_callback_arg     = arg;
 213     err_callback_result  = 0;
 214     err_serial           = NextRequest(display);
 215 }
 216
 217
 218 /***********************************************************************
 219  *              X11DRV_check_error
 220  *
 221  * Check if an expected X11 error occurred; return non-zero if yes.
 222  * Also release the x11 lock obtained in X11DRV_expect_error.
 223  * The caller is responsible for calling XSync first if necessary.
 224  */
 225 int X11DRV_check_error(void)
 226 {
 227     int ret;
 228     err_callback = NULL;
 229     ret = err_callback_result;
 230     wine_tsx11_unlock();
 231     return ret;
 232 }
 233
 234
 235 /***********************************************************************
 236  *              error_handler
 237  */
 238 static int error_handler( Display *display, XErrorEvent *error_evt )
 239 {
 240     if (err_callback && display == err_callback_display &&
 241         (long)(error_evt->serial - err_serial) >= 0)
 242     {
 243         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 244         {
 245             TRACE( "got expected error %d req %d\n",
 246                    error_evt->error_code, error_evt->request_code );
 247             return 0;
 248         }
 249     }
 250     if (ignore_error( display, error_evt ))
 251     {
 252         TRACE( "got ignored error %d req %d\n",
 253                error_evt->error_code, error_evt->request_code );
 254         return 0;
 255     }
 256     if (TRACE_ON(synchronous))
 257     {
 258         ERR( "X protocol error: serial=%ld, request_code=%d - breaking into debugger\n",
 259              error_evt->serial, error_evt->request_code );
 260         DebugBreak();  /* force an entry in the debugger */
 261     }
 262     old_error_handler( display, error_evt );
 263     return 0;
 264 }
 265
 266 /***********************************************************************
 267  *              wine_tsx11_lock   (X11DRV.@)
 268  */
 269 void wine_tsx11_lock(void)
 270 {
 271     EnterCriticalSection( &X11DRV_CritSection );
 272 }
 273
 274 /***********************************************************************
 275  *              wine_tsx11_unlock   (X11DRV.@)
 276  */
 277 void wine_tsx11_unlock(void)
 278 {
 279     LeaveCriticalSection( &X11DRV_CritSection );
 280 }
 281
 282
 283 /***********************************************************************
 284  *              depth_to_bpp
 285  *
 286  * Convert X11-reported depth to the BPP value that Windows apps expect to see.
 287  */
 288 unsigned int depth_to_bpp( unsigned int depth )
 289 {
 290     switch (depth)
 291     {
 292     case 1:
 293     case 8:
 294         return depth;
 295     case 15:
 296     case 16:
 297         return 16;
 298     case 24:
 299         /* This is not necessarily right. X11 always has 24 bits per pixel, but it can run
 300          * with 24 bit framebuffers and 32 bit framebuffers. It doesn't make any difference
 301          * for windowing, but gl applications can get visuals with alpha channels. So we
 302          * should check the framebuffer and/or opengl formats available to find out what the
 303          * framebuffer actually does
 304          */
 305     case 32:
 306         return 32;
 307     default:
 308         FIXME( "Unexpected X11 depth %d bpp, what to report to app?\n", depth );
 309         return depth;
 310     }
 311 }
 312
 313
 314 /***********************************************************************
 315  *              get_config_key
 316  *
 317  * Get a config key from either the app-specific or the default config
 318  */
 319 static inline DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 320                                     char *buffer, DWORD size )
 321 {
 322     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 323     if (defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
 324     return ERROR_FILE_NOT_FOUND;
 325 }
 326
 327
 328 /***********************************************************************
 329  *              setup_options
 330  *
 331  * Setup the x11drv options.
 332  */
 333 static void setup_options(void)
 334 {
 335     char buffer[MAX_PATH+16];
 336     HKEY hkey, appkey = 0;
 337     DWORD len;
 338
 339     /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
 340     if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver", &hkey )) hkey = 0;
 341
 342     /* open the app-specific key */
 343
 344     len = (GetModuleFileNameA( 0, buffer, MAX_PATH ));
 345     if (len && len < MAX_PATH)
 346     {
 347         HKEY tmpkey;
 348         char *p, *appname = buffer;
 349         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 350         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 351         strcat( appname, "\\X11 Driver" );
 352         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\X11 Driver */
 353         if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 354         {
 355             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 356             RegCloseKey( tmpkey );
 357         }
 358     }
 359
 360     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 361         managed_mode = IS_OPTION_TRUE( buffer[0] );
 362
 363     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 364         dxgrab = IS_OPTION_TRUE( buffer[0] );
 365
 366     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 367         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 368
 369     if (!get_config_key( hkey, appkey, "UseXRandR", buffer, sizeof(buffer) ))
 370         usexrandr = IS_OPTION_TRUE( buffer[0] );
 371
 372     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 373         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 374
 375     if (!get_config_key( hkey, appkey, "UsePrimarySelection", buffer, sizeof(buffer) ))
 376         use_primary_selection = IS_OPTION_TRUE( buffer[0] );
 377
 378     screen_depth = 0;
 379     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 380         screen_depth = atoi(buffer);
 381
 382     if (!get_config_key( hkey, appkey, "ClientSideWithCore", buffer, sizeof(buffer) ))
 383         client_side_with_core = IS_OPTION_TRUE( buffer[0] );
 384
 385     if (!get_config_key( hkey, appkey, "ClientSideWithRender", buffer, sizeof(buffer) ))
 386         client_side_with_render = IS_OPTION_TRUE( buffer[0] );
 387
 388     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithCore", buffer, sizeof(buffer) ))
 389         client_side_antialias_with_core = IS_OPTION_TRUE( buffer[0] );
 390
 391     if (!get_config_key( hkey, appkey, "ClientSideAntiAliasWithRender", buffer, sizeof(buffer) ))
 392         client_side_antialias_with_render = IS_OPTION_TRUE( buffer[0] );
 393
 394     if (!get_config_key( hkey, appkey, "UseXIM", buffer, sizeof(buffer) ))
 395         use_xim = IS_OPTION_TRUE( buffer[0] );
 396
 397     if (!get_config_key( hkey, appkey, "PrivateColorMap", buffer, sizeof(buffer) ))
 398         private_color_map = IS_OPTION_TRUE( buffer[0] );
 399
 400     if (!get_config_key( hkey, appkey, "PrimaryMonitor", buffer, sizeof(buffer) ))
 401         primary_monitor = atoi( buffer );
 402
 403     if (!get_config_key( hkey, appkey, "CopyDefaultColors", buffer, sizeof(buffer) ))
 404         copy_default_colors = atoi(buffer);
 405
 406     if (!get_config_key( hkey, appkey, "AllocSystemColors", buffer, sizeof(buffer) ))
 407         alloc_system_colors = atoi(buffer);
 408
 409     get_config_key( hkey, appkey, "InputStyle", input_style, sizeof(input_style) );
 410
 411     if (appkey) RegCloseKey( appkey );
 412     if (hkey) RegCloseKey( hkey );
 413 }
 414
 415 #ifdef SONAME_LIBXCOMPOSITE
 416
 417 #define MAKE_FUNCPTR(f) typeof(f) * p##f;
 418 MAKE_FUNCPTR(XCompositeQueryExtension)
 419 MAKE_FUNCPTR(XCompositeQueryVersion)
 420 MAKE_FUNCPTR(XCompositeVersion)
 421 MAKE_FUNCPTR(XCompositeRedirectWindow)
 422 MAKE_FUNCPTR(XCompositeRedirectSubwindows)
 423 MAKE_FUNCPTR(XCompositeUnredirectWindow)
 424 MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
 425 MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 426 MAKE_FUNCPTR(XCompositeNameWindowPixmap)
 427 #undef MAKE_FUNCPTR
 428
 429 static int xcomp_event_base;
 430 static int xcomp_error_base;
 431
 432 static void X11DRV_XComposite_Init(void)
 433 {
 434     void *xcomposite_handle = wine_dlopen(SONAME_LIBXCOMPOSITE, RTLD_NOW, NULL, 0);
 435     if (!xcomposite_handle)
 436     {
 437         TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 438         usexcomposite = 0;
 439         return;
 440     }
 441
 442 #define LOAD_FUNCPTR(f) \
 443     if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
 444         goto sym_not_found;
 445     LOAD_FUNCPTR(XCompositeQueryExtension)
 446     LOAD_FUNCPTR(XCompositeQueryVersion)
 447     LOAD_FUNCPTR(XCompositeVersion)
 448     LOAD_FUNCPTR(XCompositeRedirectWindow)
 449     LOAD_FUNCPTR(XCompositeRedirectSubwindows)
 450     LOAD_FUNCPTR(XCompositeUnredirectWindow)
 451     LOAD_FUNCPTR(XCompositeUnredirectSubwindows)
 452     LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip)
 453     LOAD_FUNCPTR(XCompositeNameWindowPixmap)
 454 #undef LOAD_FUNCPTR
 455
 456     if(!pXCompositeQueryExtension(gdi_display, &xcomp_event_base,
 457                                   &xcomp_error_base)) {
 458         TRACE("XComposite extension could not be queried; disabled\n");
 459         wine_dlclose(xcomposite_handle, NULL, 0);
 460         xcomposite_handle = NULL;
 461         usexcomposite = 0;
 462         return;
 463     }
 464     TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base);
 465     return;
 466
 467 sym_not_found:
 468     TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
 469     wine_dlclose(xcomposite_handle, NULL, 0);
 470     xcomposite_handle = NULL;
 471     usexcomposite = 0;
 472 }
 473 #endif /* defined(SONAME_LIBXCOMPOSITE) */
 474
 475
 476 /***********************************************************************
 477  *           X11DRV process initialisation routine
 478  */
 479 static BOOL process_attach(void)
 480 {
 481     Display *display;
 482     const char *env;
 483
 484     setup_options();
 485
 486     if ((thread_data_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES) return FALSE;
 487
 488     /* Open display */
 489
 490     if (!(env = getenv("XMODIFIERS")) || !*env)  /* try to avoid the Xlib XIM locking bug */
 491         if (!XInitThreads()) ERR( "XInitThreads failed, trouble ahead\n" );
 492
 493     if (!(display = XOpenDisplay( NULL ))) return FALSE;
 494
 495     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 496     screen = DefaultScreenOfDisplay( display );
 497     visual = DefaultVisual( display, DefaultScreen(display) );
 498     root_window = DefaultRootWindow( display );
 499     gdi_display = display;
 500     old_error_handler = XSetErrorHandler( error_handler );
 501
 502     /* Initialize screen depth */
 503
 504     if (screen_depth)  /* depth specified */
 505     {
 506         int depth_count, i;
 507         int *depth_list = XListDepths(display, DefaultScreen(display), &depth_count);
 508         for (i = 0; i < depth_count; i++)
 509             if (depth_list[i] == screen_depth) break;
 510         XFree( depth_list );
 511         if (i >= depth_count)
 512         {
 513             WARN( "invalid depth %d, using default\n", screen_depth );
 514             screen_depth = 0;
 515         }
 516     }
 517     if (!screen_depth) screen_depth = DefaultDepthOfScreen( screen );
 518     screen_bpp = depth_to_bpp( screen_depth );
 519
 520     XInternAtoms( display, (char **)atom_names, NB_XATOMS - FIRST_XATOM, False, X11DRV_Atoms );
 521
 522     if (TRACE_ON(synchronous)) XSynchronize( display, True );
 523
 524     xinerama_init( WidthOfScreen(screen), HeightOfScreen(screen) );
 525     X11DRV_Settings_Init();
 526
 527 #ifdef HAVE_LIBXXF86VM
 528     /* initialize XVidMode */
 529     X11DRV_XF86VM_Init();
 530 #endif
 531 #ifdef SONAME_LIBXRANDR
 532     /* initialize XRandR */
 533     X11DRV_XRandR_Init();
 534 #endif
 535 #ifdef SONAME_LIBXCOMPOSITE
 536     X11DRV_XComposite_Init();
 537 #endif
 538
 539     X11DRV_InitKeyboard( gdi_display );
 540     X11DRV_InitClipboard();
 541
 542     return TRUE;
 543 }
 544
 545
 546 /***********************************************************************
 547  *           X11DRV thread termination routine
 548  */
 549 static void thread_detach(void)
 550 {
 551     struct x11drv_thread_data *data = TlsGetValue( thread_data_tls_index );
 552
 553     if (data)
 554     {
 555         X11DRV_ResetSelectionOwner();
 556         wine_tsx11_lock();
 557         if (data->xim) XCloseIM( data->xim );
 558         XCloseDisplay( data->display );
 559         wine_tsx11_unlock();
 560         HeapFree( GetProcessHeap(), 0, data );
 561     }
 562 }
 563
 564
 565 /***********************************************************************
 566  *           X11DRV process termination routine
 567  */
 568 static void process_detach(void)
 569 {
 570 #ifdef HAVE_LIBXXF86VM
 571     /* cleanup XVidMode */
 572     X11DRV_XF86VM_Cleanup();
 573 #endif
 574     if(using_client_side_fonts)
 575         X11DRV_XRender_Finalize();
 576
 577     /* cleanup GDI */
 578     X11DRV_GDI_Finalize();
 579
 580     DeleteCriticalSection( &X11DRV_CritSection );
 581     TlsFree( thread_data_tls_index );
 582 }
 583
 584
 585 /* store the display fd into the message queue */
 586 static void set_queue_display_fd( Display *display )
 587 {
 588     HANDLE handle;
 589     int ret;
 590
 591     if (wine_server_fd_to_handle( ConnectionNumber(display), GENERIC_READ | SYNCHRONIZE, 0, &handle ))
 592     {
 593         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 594         ExitProcess(1);
 595     }
 596     SERVER_START_REQ( set_queue_fd )
 597     {
 598         req->handle = handle;
 599         ret = wine_server_call( req );
 600     }
 601     SERVER_END_REQ;
 602     if (ret)
 603     {
 604         MESSAGE( "x11drv: Can't store handle for display fd\n" );
 605         ExitProcess(1);
 606     }
 607     CloseHandle( handle );
 608 }
 609
 610
 611 /***********************************************************************
 612  *           X11DRV thread initialisation routine
 613  */
 614 struct x11drv_thread_data *x11drv_init_thread_data(void)
 615 {
 616     struct x11drv_thread_data *data;
 617
 618     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 619     {
 620         ERR( "could not create data\n" );
 621         ExitProcess(1);
 622     }
 623     wine_tsx11_lock();
 624     if (!(data->display = XOpenDisplay(NULL)))
 625     {
 626         wine_tsx11_unlock();
 627         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 628         MESSAGE( "Please ensure that your X server is running and that $DISPLAY is set correctly.\n" );
 629         ExitProcess(1);
 630     }
 631
 632     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 633
 634 #ifdef HAVE_XKB
 635     if (use_xkb)
 636     {
 637         use_xkb = XkbUseExtension( data->display, NULL, NULL );
 638         if (use_xkb)
 639         {
 640             /* Hack: dummy call to XkbKeysymToModifiers to force initialisation of Xkb internals */
 641             /* This works around an Xlib bug where it tries to get the display lock */
 642             /* twice during XFilterEvents if Xkb hasn't been initialised yet. */
 643             XkbKeysymToModifiers( data->display, 'A' );
 644             XkbSetDetectableAutoRepeat( data->display, True, NULL );
 645         }
 646     }
 647 #endif
 648
 649     if (TRACE_ON(synchronous)) XSynchronize( data->display, True );
 650     wine_tsx11_unlock();
 651
 652     if (!use_xim)
 653         data->xim = NULL;
 654     else if (!(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     data->process_event_count = 0;
 659     data->cursor = None;
 660     data->cursor_window = None;
 661     data->grab_window = None;
 662     data->last_focus = 0;
 663     data->selection_wnd = 0;
 664     TlsSetValue( thread_data_tls_index, data );
 665     X11DRV_SetCursor( NULL );
 666     return data;
 667 }
 668
 669
 670 /***********************************************************************
 671  *           X11DRV initialisation routine
 672  */
 673 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 674 {
 675     BOOL ret = TRUE;
 676
 677     switch(reason)
 678     {
 679     case DLL_PROCESS_ATTACH:
 680         ret = process_attach();
 681         break;
 682     case DLL_THREAD_DETACH:
 683         thread_detach();
 684         break;
 685     case DLL_PROCESS_DETACH:
 686         process_detach();
 687         break;
 688     }
 689     return ret;
 690 }
 691
 692 /***********************************************************************
 693  *              GetScreenSaveActive (X11DRV.@)
 694  *
 695  * Returns the active status of the screen saver
 696  */
 697 BOOL X11DRV_GetScreenSaveActive(void)
 698 {
 699     int timeout, temp;
 700     wine_tsx11_lock();
 701     XGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 702     wine_tsx11_unlock();
 703     return timeout != 0;
 704 }
 705
 706 /***********************************************************************
 707  *              SetScreenSaveActive (X11DRV.@)
 708  *
 709  * Activate/Deactivate the screen saver
 710  */
 711 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 712 {
 713     int timeout, interval, prefer_blanking, allow_exposures;
 714     static int last_timeout = 15 * 60;
 715
 716     wine_tsx11_lock();
 717     XGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 718                     &allow_exposures);
 719     if (timeout) last_timeout = timeout;
 720
 721     timeout = bActivate ? last_timeout : 0;
 722     XSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 723                     allow_exposures);
 724     wine_tsx11_unlock();
 725 }