dlls/x11drv/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include <fcntl.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #ifdef HAVE_SYS_TIME_H
  29 # include <sys/time.h>
  30 #endif
  31 #ifdef HAVE_UNISTD_H
  32 # include <unistd.h>
  33 #endif
  34 #include <X11/cursorfont.h>
  35 #include "ts_xlib.h"
  36 #include "ts_xutil.h"
  37
  38 #include "winbase.h"
  39 #include "wine/winbase16.h"
  40 #include "winreg.h"
  41
  42 #include "gdi.h"
  43 #include "user.h"
  44 #include "win.h"
  45 #include "wine_gl.h"
  46 #include "x11drv.h"
  47 #include "xvidmode.h"
  48 #include "dga2.h"
  49 #include "wine/server.h"
  50 #include "wine/debug.h"
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  53
  54 static void (*old_tsx11_lock)(void);
  55 static void (*old_tsx11_unlock)(void);
  56
  57 static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT("X11DRV_CritSection");
  58
  59 Screen *screen;
  60 Visual *visual;
  61 unsigned int screen_width;
  62 unsigned int screen_height;
  63 unsigned int screen_depth;
  64 Window root_window;
  65 int dxgrab, usedga, usexvidmode;
  66 int use_take_focus = 1;
  67 int managed_mode = 1;
  68
  69 unsigned int X11DRV_server_startticks;
  70
  71 static BOOL synchronous;  /* run in synchronous mode? */
  72 static char *desktop_geometry;
  73 static XVisualInfo *desktop_vi;
  74
  75 static x11drv_error_callback err_callback;   /* current callback for error */
  76 static Display *err_callback_display;        /* display callback is set for */
  77 static void *err_callback_arg;               /* error callback argument */
  78 static int err_callback_result;              /* error callback result */
  79 static int (*old_error_handler)( Display *, XErrorEvent * );
  80
  81 #define IS_OPTION_TRUE(ch) \
  82     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
  83 #define IS_OPTION_FALSE(ch) \
  84     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
  85
  86 /***********************************************************************
  87  *              X11DRV_expect_error
  88  *
  89  * Setup a callback function that will be called on an X error.  The
  90  * callback must return non-zero if the error is the one it expected.
  91  * This function acquires the x11 lock; X11DRV_check_error must be
  92  * called in all cases to release it.
  93  */
  94 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
  95 {
  96     wine_tsx11_lock();
  97     XSync( display, False );
  98     err_callback         = callback;
  99     err_callback_display = display;
 100     err_callback_arg     = arg;
 101     err_callback_result  = 0;
 102 }
 103
 104
 105 /***********************************************************************
 106  *              X11DRV_check_error
 107  *
 108  * Check if an expected X11 error occurred; return non-zero if yes.
 109  * Also release the x11 lock obtained in X11DRV_expect_error.
 110  */
 111 int X11DRV_check_error(void)
 112 {
 113     int ret;
 114     XSync( err_callback_display, False );
 115     err_callback = NULL;
 116     ret = err_callback_result;
 117     wine_tsx11_unlock();
 118     return ret;
 119 }
 120
 121
 122 /***********************************************************************
 123  *              error_handler
 124  */
 125 static int error_handler( Display *display, XErrorEvent *error_evt )
 126 {
 127     if (err_callback && display == err_callback_display)
 128     {
 129         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 130         {
 131             TRACE( "got expected error\n" );
 132             return 0;
 133         }
 134     }
 135     if (synchronous) DebugBreak();  /* force an entry in the debugger */
 136     old_error_handler( display, error_evt );
 137     return 0;
 138 }
 139
 140 /***********************************************************************
 141  *              lock_tsx11
 142  */
 143 static void lock_tsx11(void)
 144 {
 145     EnterCriticalSection( &X11DRV_CritSection );
 146 }
 147
 148 /***********************************************************************
 149  *              unlock_tsx11
 150  */
 151 static void unlock_tsx11(void)
 152 {
 153     LeaveCriticalSection( &X11DRV_CritSection );
 154 }
 155
 156 /***********************************************************************
 157  *              get_server_startup
 158  *
 159  * Get the server startup time
 160  * Won't be exact, but should be sufficient
 161  */
 162 static void get_server_startup(void)
 163 {
 164     struct timeval t;
 165     gettimeofday( &t, NULL );
 166     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 167 }
 168
 169
 170 /***********************************************************************
 171  *              get_config_key
 172  *
 173  * Get a config key from either the app-specific or the default config
 174  */
 175 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 176                                     char *buffer, DWORD size )
 177 {
 178     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 179     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 180 }
 181
 182
 183 /***********************************************************************
 184  *              setup_options
 185  *
 186  * Setup the x11drv options.
 187  */
 188 static void setup_options(void)
 189 {
 190     char buffer[MAX_PATH+16];
 191     HKEY hkey, appkey = 0;
 192     DWORD count;
 193
 194     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 195                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 196     {
 197         ERR("Cannot create config registry key\n" );
 198         ExitProcess(1);
 199     }
 200
 201     /* open the app-specific key */
 202
 203     if (GetModuleFileNameA( 0, buffer, MAX_PATH ))
 204     {
 205         HKEY tmpkey;
 206         char *p, *appname = buffer;
 207         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 208         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 209         strcat( appname, "\\x11drv" );
 210         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 211         {
 212             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 213             RegCloseKey( tmpkey );
 214         }
 215     }
 216
 217     /* get the display name */
 218
 219     strcpy( buffer, "DISPLAY=" );
 220     count = sizeof(buffer) - 8;
 221     if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
 222     {
 223         const char *display_name = getenv( "DISPLAY" );
 224         if (display_name && strcmp( buffer, display_name ))
 225             MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
 226                      buffer + 8 );
 227         putenv( strdup(buffer) );
 228     }
 229
 230     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 231     {
 232         /* Imperfect validation:  If Desktop=N, then we don't turn on
 233         ** the --desktop option.  We should really validate for a correct
 234         ** sizing entry */
 235         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 236     }
 237
 238     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 239         managed_mode = IS_OPTION_TRUE( buffer[0] );
 240
 241     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 242         dxgrab = IS_OPTION_TRUE( buffer[0] );
 243
 244     if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
 245         usedga = IS_OPTION_TRUE( buffer[0] );
 246
 247     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 248         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 249
 250     if (!get_config_key( hkey, appkey, "UseTakeFocus", buffer, sizeof(buffer) ))
 251         use_take_focus = IS_OPTION_TRUE( buffer[0] );
 252
 253     screen_depth = 0;
 254     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 255         screen_depth = atoi(buffer);
 256
 257     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 258         synchronous = IS_OPTION_TRUE( buffer[0] );
 259
 260     if (appkey) RegCloseKey( appkey );
 261     RegCloseKey( hkey );
 262 }
 263
 264
 265 /***********************************************************************
 266  *              setup_opengl_visual
 267  *
 268  * Setup the default visual used for OpenGL and Direct3D, and the desktop
 269  * window (if it exists).  If OpenGL isn't available, the visual is simply
 270  * set to the default visual for the display
 271  */
 272 #ifdef HAVE_OPENGL
 273 static void setup_opengl_visual( Display *display )
 274 {
 275     int err_base, evt_base;
 276
 277     /* In order to support OpenGL or D3D, we require a double-buffered
 278      * visual */
 279     if (glXQueryExtension(display, &err_base, &evt_base) == True) {
 280           int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
 281
 282           ENTER_GL();
 283           desktop_vi = glXChooseVisual(display, DefaultScreen(display), dblBuf);
 284           LEAVE_GL();
 285     }
 286
 287     if (desktop_vi != NULL) {
 288       visual       = desktop_vi->visual;
 289       screen       = ScreenOfDisplay(display, desktop_vi->screen);
 290       screen_depth = desktop_vi->depth;
 291     }
 292 }
 293 #endif /* HAVE_OPENGL */
 294
 295 /***********************************************************************
 296  *           X11DRV process initialisation routine
 297  */
 298 static void process_attach(void)
 299 {
 300     Display *display;
 301
 302     get_server_startup();
 303     setup_options();
 304
 305     /* setup TSX11 locking */
 306     old_tsx11_lock    = wine_tsx11_lock;
 307     old_tsx11_unlock  = wine_tsx11_unlock;
 308     wine_tsx11_lock   = lock_tsx11;
 309     wine_tsx11_unlock = unlock_tsx11;
 310
 311     /* Open display */
 312
 313     if (!(display = TSXOpenDisplay( NULL )))
 314     {
 315         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 316         ExitProcess(1);
 317     }
 318     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 319     screen = DefaultScreenOfDisplay( display );
 320     visual = DefaultVisual( display, DefaultScreen(display) );
 321     root_window = DefaultRootWindow( display );
 322     old_error_handler = XSetErrorHandler( error_handler );
 323
 324     /* Initialize screen depth */
 325
 326     if (screen_depth)  /* depth specified */
 327     {
 328         int depth_count, i;
 329         int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
 330         for (i = 0; i < depth_count; i++)
 331             if (depth_list[i] == screen_depth) break;
 332         TSXFree( depth_list );
 333         if (i >= depth_count)
 334         {
 335             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 336             ExitProcess(1);
 337         }
 338     }
 339     else screen_depth = DefaultDepthOfScreen( screen );
 340
 341     /* If OpenGL is available, change the default visual, etc as necessary */
 342 #ifdef HAVE_OPENGL
 343     setup_opengl_visual( display );
 344 #endif /* HAVE_OPENGL */
 345
 346     /* tell the libX11 that we will do input method handling ourselves
 347      * that keep libX11 from doing anything whith dead keys, allowing Wine
 348      * to have total control over dead keys, that is this line allows
 349      * them to work in Wine, even whith a libX11 including the dead key
 350      * patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
 351      */
 352     TSXOpenIM( display, NULL, NULL, NULL);
 353
 354     if (synchronous) XSynchronize( display, True );
 355
 356     screen_width  = WidthOfScreen( screen );
 357     screen_height = HeightOfScreen( screen );
 358
 359     if (desktop_geometry)
 360         root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
 361
 362     /* initialize GDI */
 363     if(!X11DRV_GDI_Initialize( display ))
 364     {
 365         ERR( "Couldn't Initialize GDI.\n" );
 366         ExitProcess(1);
 367     }
 368
 369 #ifdef HAVE_LIBXXF86VM
 370     /* initialize XVidMode */
 371     X11DRV_XF86VM_Init();
 372 #endif
 373 #ifdef HAVE_LIBXXF86DGA2
 374     /* initialize DGA2 */
 375     X11DRV_XF86DGA2_Init();
 376 #endif
 377 #ifdef HAVE_OPENGL
 378     /* initialize GLX */
 379     /*X11DRV_GLX_Init();*/
 380 #endif
 381
 382     /* load display.dll */
 383     LoadLibrary16( "display" );
 384 }
 385
 386
 387 /***********************************************************************
 388  *           X11DRV thread termination routine
 389  */
 390 static void thread_detach(void)
 391 {
 392     struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
 393
 394     if (data)
 395     {
 396         CloseHandle( data->display_fd );
 397         wine_tsx11_lock();
 398         XCloseDisplay( data->display );
 399         wine_tsx11_unlock();
 400         HeapFree( GetProcessHeap(), 0, data );
 401     }
 402 }
 403
 404
 405 /***********************************************************************
 406  *           X11DRV process termination routine
 407  */
 408 static void process_detach(void)
 409 {
 410 #ifdef HAVE_OPENGL
 411     /* cleanup GLX */
 412     /*X11DRV_GLX_Cleanup();*/
 413 #endif
 414 #ifdef HAVE_LIBXXF86DGA2
 415     /* cleanup DGA2 */
 416     X11DRV_XF86DGA2_Cleanup();
 417 #endif
 418 #ifdef HAVE_LIBXXF86VM
 419     /* cleanup XVidMode */
 420     X11DRV_XF86VM_Cleanup();
 421 #endif
 422
 423     /* FIXME: should detach all threads */
 424     thread_detach();
 425
 426     /* cleanup GDI */
 427     X11DRV_GDI_Finalize();
 428
 429     /* restore TSX11 locking */
 430     wine_tsx11_lock = old_tsx11_lock;
 431     wine_tsx11_unlock = old_tsx11_unlock;
 432     DeleteCriticalSection( &X11DRV_CritSection );
 433 }
 434
 435
 436 /***********************************************************************
 437  *           X11DRV thread initialisation routine
 438  */
 439 struct x11drv_thread_data *x11drv_init_thread_data(void)
 440 {
 441     struct x11drv_thread_data *data;
 442
 443     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 444     {
 445         ERR( "could not create data\n" );
 446         ExitProcess(1);
 447     }
 448     wine_tsx11_lock();
 449     if (!(data->display = XOpenDisplay(NULL)))
 450     {
 451         wine_tsx11_unlock();
 452         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 453         ExitProcess(1);
 454     }
 455     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 456     if (synchronous) XSynchronize( data->display, True );
 457     wine_tsx11_unlock();
 458     if (wine_server_fd_to_handle( ConnectionNumber(data->display), GENERIC_READ | SYNCHRONIZE,
 459                                   FALSE, &data->display_fd ))
 460     {
 461         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 462         ExitProcess(1);
 463     }
 464     data->process_event_count = 0;
 465     data->cursor = None;
 466     data->cursor_window = None;
 467     data->last_focus = 0;
 468     NtCurrentTeb()->driver_data = data;
 469     return data;
 470 }
 471
 472
 473 /***********************************************************************
 474  *           X11DRV initialisation routine
 475  */
 476 BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 477 {
 478     switch(reason)
 479     {
 480     case DLL_PROCESS_ATTACH:
 481         process_attach();
 482         break;
 483     case DLL_THREAD_DETACH:
 484         thread_detach();
 485         break;
 486     case DLL_PROCESS_DETACH:
 487         process_detach();
 488         break;
 489     }
 490     return TRUE;
 491 }
 492
 493 /***********************************************************************
 494  *              GetScreenSaveActive (X11DRV.@)
 495  *
 496  * Returns the active status of the screen saver
 497  */
 498 BOOL X11DRV_GetScreenSaveActive(void)
 499 {
 500     int timeout, temp;
 501     TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 502     return timeout != 0;
 503 }
 504
 505 /***********************************************************************
 506  *              SetScreenSaveActive (X11DRV.@)
 507  *
 508  * Activate/Deactivate the screen saver
 509  */
 510 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 511 {
 512     int timeout, interval, prefer_blanking, allow_exposures;
 513     static int last_timeout = 15 * 60;
 514
 515     TSXGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 516                       &allow_exposures);
 517     if (timeout) last_timeout = timeout;
 518
 519     timeout = bActivate ? last_timeout : 0;
 520     TSXSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 521                       allow_exposures);
 522 }