dlls/x11drv/x11drv_main.c

   1 /*
   2  * X11DRV initialization code
   3  *
   4  * Copyright 1998 Patrik Stridvall
   5  * Copyright 2000 Alexandre Julliard
   6  */
   7
   8 #include "config.h"
   9
  10 #ifdef NO_REENTRANT_X11
  11 /* Get pointers to the static errno and h_errno variables used by Xlib. This
  12    must be done before including <errno.h> makes the variables invisible.  */
  13 extern int errno;
  14 static int *perrno = &errno;
  15 extern int h_errno;
  16 static int *ph_errno = &h_errno;
  17 #endif  /* NO_REENTRANT_X11 */
  18
  19 #include <fcntl.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <sys/time.h>
  24 #include <unistd.h>
  25 #include <X11/cursorfont.h>
  26 #include "ts_xlib.h"
  27 #include "ts_xutil.h"
  28 #include "ts_shape.h"
  29
  30 #include "winbase.h"
  31 #include "wine/winbase16.h"
  32 #include "winreg.h"
  33
  34 #include "debugtools.h"
  35 #include "gdi.h"
  36 #include "file.h"
  37 #include "options.h"
  38 #include "user.h"
  39 #include "win.h"
  40 #include "wine_gl.h"
  41 #include "x11drv.h"
  42 #include "xvidmode.h"
  43 #include "dga2.h"
  44
  45 DEFAULT_DEBUG_CHANNEL(x11drv);
  46
  47 static void (*old_tsx11_lock)(void);
  48 static void (*old_tsx11_unlock)(void);
  49
  50 static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT("X11DRV_CritSection");
  51
  52 Screen *screen;
  53 Visual *visual;
  54 unsigned int screen_width;
  55 unsigned int screen_height;
  56 unsigned int screen_depth;
  57 Window root_window;
  58 int dxgrab, usedga, usexvidmode;
  59
  60 unsigned int X11DRV_server_startticks;
  61
  62 static BOOL synchronous;  /* run in synchronous mode? */
  63 static char *desktop_geometry;
  64 static XVisualInfo *desktop_vi;
  65
  66 #define IS_OPTION_TRUE(ch) \
  67     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
  68 #define IS_OPTION_FALSE(ch) \
  69     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
  70
  71 #ifdef NO_REENTRANT_X11
  72 static int* (*old_errno_location)(void);
  73 static int* (*old_h_errno_location)(void);
  74
  75 /***********************************************************************
  76  *           x11_errno_location
  77  *
  78  * Get the per-thread errno location.
  79  */
  80 static int *x11_errno_location(void)
  81 {
  82     /* Use static libc errno while running in Xlib. */
  83     if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return perrno;
  84     return old_errno_location();
  85 }
  86
  87 /***********************************************************************
  88  *           x11_h_errno_location
  89  *
  90  * Get the per-thread h_errno location.
  91  */
  92 static int *x11_h_errno_location(void)
  93 {
  94     /* Use static libc h_errno while running in Xlib. */
  95     if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return ph_errno;
  96     return old_h_errno_location();
  97 }
  98 #endif /* NO_REENTRANT_X11 */
  99
 100 /***********************************************************************
 101  *              error_handler
 102  */
 103 static int error_handler(Display *display, XErrorEvent *error_evt)
 104 {
 105     DebugBreak();  /* force an entry in the debugger */
 106     return 0;
 107 }
 108
 109 /***********************************************************************
 110  *              lock_tsx11
 111  */
 112 static void lock_tsx11(void)
 113 {
 114     RtlEnterCriticalSection( &X11DRV_CritSection );
 115 }
 116
 117 /***********************************************************************
 118  *              unlock_tsx11
 119  */
 120 static void unlock_tsx11(void)
 121 {
 122     RtlLeaveCriticalSection( &X11DRV_CritSection );
 123 }
 124
 125 /***********************************************************************
 126  *              get_server_startup
 127  *
 128  * Get the server startup time
 129  * Won't be exact, but should be sufficient
 130  */
 131 static void get_server_startup(void)
 132 {
 133     struct timeval t;
 134     gettimeofday( &t, NULL );
 135     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 136 }
 137
 138
 139 /***********************************************************************
 140  *              get_config_key
 141  *
 142  * Get a config key from either the app-specific or the default config
 143  */
 144 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 145                                     char *buffer, DWORD size )
 146 {
 147     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 148     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 149 }
 150
 151
 152 /***********************************************************************
 153  *              setup_options
 154  *
 155  * Setup the x11drv options.
 156  */
 157 static void setup_options(void)
 158 {
 159     char buffer[MAX_PATH+16];
 160     HKEY hkey, appkey = 0;
 161     DWORD count;
 162
 163     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 164                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 165     {
 166         ERR("Cannot create config registry key\n" );
 167         ExitProcess(1);
 168     }
 169
 170     /* open the app-specific key */
 171
 172     if (GetModuleFileName16( GetCurrentTask(), buffer, MAX_PATH ) ||
 173         GetModuleFileNameA( 0, buffer, MAX_PATH ))
 174     {
 175         HKEY tmpkey;
 176         char *p, *appname = buffer;
 177         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 178         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 179         strcat( appname, "\\x11drv" );
 180         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 181         {
 182             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 183             RegCloseKey( tmpkey );
 184         }
 185     }
 186
 187     /* get the display name */
 188
 189     strcpy( buffer, "DISPLAY=" );
 190     count = sizeof(buffer) - 8;
 191     if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
 192     {
 193         const char *display_name = getenv( "DISPLAY" );
 194         if (display_name && strcmp( buffer, display_name ))
 195             MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
 196                      buffer + 8 );
 197         putenv( strdup(buffer) );
 198     }
 199
 200     /* check --managed option in wine config file if it was not set on command line */
 201
 202     if (!Options.managed)
 203     {
 204         if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 205             Options.managed = IS_OPTION_TRUE( buffer[0] );
 206     }
 207
 208     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 209     {
 210         /* Imperfect validation:  If Desktop=N, then we don't turn on
 211         ** the --desktop option.  We should really validate for a correct
 212         ** sizing entry */
 213         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 214     }
 215
 216     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 217         dxgrab = IS_OPTION_TRUE( buffer[0] );
 218
 219     if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
 220         usedga = IS_OPTION_TRUE( buffer[0] );
 221
 222     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 223         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 224
 225     screen_depth = 0;
 226     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 227         screen_depth = atoi(buffer);
 228
 229     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 230         synchronous = IS_OPTION_TRUE( buffer[0] );
 231
 232     if (appkey) RegCloseKey( appkey );
 233     RegCloseKey( hkey );
 234 }
 235
 236
 237 /***********************************************************************
 238  *              setup_opengl_visual
 239  *
 240  * Setup the default visual used for OpenGL and Direct3D, and the desktop
 241  * window (if it exists).  If OpenGL isn't available, the visual is simply
 242  * set to the default visual for the display
 243  */
 244 #ifdef HAVE_OPENGL
 245 static void setup_opengl_visual( Display *display )
 246 {
 247     int err_base, evt_base;
 248
 249     /* In order to support OpenGL or D3D, we require a double-buffered
 250      * visual */
 251     if (glXQueryExtension(display, &err_base, &evt_base) == True) {
 252           int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
 253
 254           ENTER_GL();
 255           desktop_vi = glXChooseVisual(display, DefaultScreen(display), dblBuf);
 256           LEAVE_GL();
 257     }
 258
 259     if (desktop_vi != NULL) {
 260       visual       = desktop_vi->visual;
 261       screen       = ScreenOfDisplay(display, desktop_vi->screen);
 262       screen_depth = desktop_vi->depth;
 263     }
 264 }
 265 #endif /* HAVE_OPENGL */
 266
 267 /***********************************************************************
 268  *           X11DRV process initialisation routine
 269  */
 270 static void process_attach(void)
 271 {
 272     Display *display;
 273
 274     get_server_startup();
 275     setup_options();
 276
 277     /* setup TSX11 locking */
 278 #ifdef NO_REENTRANT_X11
 279     old_errno_location = InterlockedExchangePointer( &wine_errno_location,
 280                                                      x11_errno_location );
 281     old_h_errno_location = InterlockedExchangePointer( &wine_h_errno_location,
 282                                                        x11_h_errno_location );
 283 #endif /* NO_REENTRANT_X11 */
 284     old_tsx11_lock    = wine_tsx11_lock;
 285     old_tsx11_unlock  = wine_tsx11_unlock;
 286     wine_tsx11_lock   = lock_tsx11;
 287     wine_tsx11_unlock = unlock_tsx11;
 288
 289     /* Open display */
 290
 291     if (!(display = TSXOpenDisplay( NULL )))
 292     {
 293         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 294         ExitProcess(1);
 295     }
 296     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 297     screen = DefaultScreenOfDisplay( display );
 298     visual = DefaultVisual( display, DefaultScreen(display) );
 299     root_window = DefaultRootWindow( display );
 300
 301     /* Initialize screen depth */
 302
 303     if (screen_depth)  /* depth specified */
 304     {
 305         int depth_count, i;
 306         int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
 307         for (i = 0; i < depth_count; i++)
 308             if (depth_list[i] == screen_depth) break;
 309         TSXFree( depth_list );
 310         if (i >= depth_count)
 311         {
 312             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 313             ExitProcess(1);
 314         }
 315     }
 316     else screen_depth = DefaultDepthOfScreen( screen );
 317
 318     /* If OpenGL is available, change the default visual, etc as necessary */
 319 #ifdef HAVE_OPENGL
 320     setup_opengl_visual( display );
 321 #endif /* HAVE_OPENGL */
 322
 323     /* tell the libX11 that we will do input method handling ourselves
 324      * that keep libX11 from doing anything whith dead keys, allowing Wine
 325      * to have total control over dead keys, that is this line allows
 326      * them to work in Wine, even whith a libX11 including the dead key
 327      * patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
 328      */
 329     TSXOpenIM( display, NULL, NULL, NULL);
 330
 331     if (synchronous)
 332     {
 333         XSetErrorHandler( error_handler );
 334         XSynchronize( display, True );
 335     }
 336
 337     screen_width  = WidthOfScreen( screen );
 338     screen_height = HeightOfScreen( screen );
 339
 340     if (desktop_geometry)
 341     {
 342         Options.managed = FALSE;
 343         root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
 344     }
 345
 346     /* initialize GDI */
 347     if(!X11DRV_GDI_Initialize( display ))
 348     {
 349         ERR( "Couldn't Initialize GDI.\n" );
 350         ExitProcess(1);
 351     }
 352
 353 #ifdef HAVE_LIBXXF86VM
 354     /* initialize XVidMode */
 355     X11DRV_XF86VM_Init();
 356 #endif
 357 #ifdef HAVE_LIBXXF86DGA2
 358     /* initialize DGA2 */
 359     X11DRV_XF86DGA2_Init();
 360 #endif
 361 #ifdef HAVE_OPENGL
 362     /* initialize GLX */
 363     /*X11DRV_GLX_Init();*/
 364 #endif
 365
 366     /* load display.dll */
 367     LoadLibrary16( "display" );
 368 }
 369
 370
 371 /***********************************************************************
 372  *           X11DRV thread termination routine
 373  */
 374 static void thread_detach(void)
 375 {
 376     struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
 377
 378     if (data)
 379     {
 380         CloseHandle( data->display_fd );
 381         wine_tsx11_lock();
 382         XCloseDisplay( data->display );
 383         wine_tsx11_unlock();
 384         HeapFree( GetProcessHeap(), 0, data );
 385     }
 386 }
 387
 388
 389 /***********************************************************************
 390  *           X11DRV process termination routine
 391  */
 392 static void process_detach(void)
 393 {
 394 #ifdef HAVE_OPENGL
 395     /* cleanup GLX */
 396     /*X11DRV_GLX_Cleanup();*/
 397 #endif
 398 #ifdef HAVE_LIBXXF86DGA2
 399     /* cleanup DGA2 */
 400     X11DRV_XF86DGA2_Cleanup();
 401 #endif
 402 #ifdef HAVE_LIBXXF86VM
 403     /* cleanup XVidMode */
 404     X11DRV_XF86VM_Cleanup();
 405 #endif
 406
 407     /* FIXME: should detach all threads */
 408     thread_detach();
 409
 410     /* cleanup GDI */
 411     X11DRV_GDI_Finalize();
 412
 413     /* restore TSX11 locking */
 414     wine_tsx11_lock = old_tsx11_lock;
 415     wine_tsx11_unlock = old_tsx11_unlock;
 416 #ifdef NO_REENTRANT_X11
 417     wine_errno_location = old_errno_location;
 418     wine_h_errno_location = old_h_errno_location;
 419 #endif /* NO_REENTRANT_X11 */
 420     RtlDeleteCriticalSection( &X11DRV_CritSection );
 421 }
 422
 423
 424 /***********************************************************************
 425  *           X11DRV thread initialisation routine
 426  */
 427 struct x11drv_thread_data *x11drv_init_thread_data(void)
 428 {
 429     struct x11drv_thread_data *data;
 430
 431     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 432     {
 433         ERR( "could not create data\n" );
 434         ExitProcess(1);
 435     }
 436     wine_tsx11_lock();
 437     if (!(data->display = XOpenDisplay(NULL)))
 438     {
 439         wine_tsx11_unlock();
 440         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 441         ExitProcess(1);
 442     }
 443     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 444     if (synchronous) XSynchronize( data->display, True );
 445     wine_tsx11_unlock();
 446     data->display_fd = FILE_DupUnixHandle( ConnectionNumber(data->display),
 447                                            GENERIC_READ | SYNCHRONIZE, FALSE );
 448     data->process_event_count = 0;
 449     NtCurrentTeb()->driver_data = data;
 450     return data;
 451 }
 452
 453
 454 /***********************************************************************
 455  *           X11DRV initialisation routine
 456  */
 457 BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 458 {
 459     switch(reason)
 460     {
 461     case DLL_PROCESS_ATTACH:
 462         process_attach();
 463         break;
 464     case DLL_THREAD_DETACH:
 465         thread_detach();
 466         break;
 467     case DLL_PROCESS_DETACH:
 468         process_detach();
 469         break;
 470     }
 471     return TRUE;
 472 }
 473
 474 /***********************************************************************
 475  *              GetScreenSaveActive (X11DRV.@)
 476  *
 477  * Returns the active status of the screen saver
 478  */
 479 BOOL X11DRV_GetScreenSaveActive(void)
 480 {
 481     int timeout, temp;
 482     TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 483     return timeout != 0;
 484 }
 485
 486 /***********************************************************************
 487  *              SetScreenSaveActive (X11DRV.@)
 488  *
 489  * Activate/Deactivate the screen saver
 490  */
 491 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 492 {
 493     int timeout, interval, prefer_blanking, allow_exposures;
 494     static int last_timeout = 15 * 60;
 495
 496     TSXGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 497                       &allow_exposures);
 498     if (timeout) last_timeout = timeout;
 499
 500     timeout = bActivate ? last_timeout : 0;
 501     TSXSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 502                       allow_exposures);
 503 }