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 #include <sys/time.h>
  29 #include <unistd.h>
  30 #include <X11/cursorfont.h>
  31 #include "ts_xlib.h"
  32 #include "ts_xutil.h"
  33 #include "ts_shape.h"
  34
  35 #include "winbase.h"
  36 #include "wine/winbase16.h"
  37 #include "winreg.h"
  38
  39 #include "gdi.h"
  40 #include "user.h"
  41 #include "win.h"
  42 #include "wine_gl.h"
  43 #include "x11drv.h"
  44 #include "xvidmode.h"
  45 #include "dga2.h"
  46 #include "wine/server.h"
  47 #include "wine/debug.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  50
  51 static void (*old_tsx11_lock)(void);
  52 static void (*old_tsx11_unlock)(void);
  53
  54 static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT("X11DRV_CritSection");
  55
  56 Screen *screen;
  57 Visual *visual;
  58 unsigned int screen_width;
  59 unsigned int screen_height;
  60 unsigned int screen_depth;
  61 Window root_window;
  62 int dxgrab, usedga, usexvidmode;
  63 int managed_mode = 1;
  64
  65 unsigned int X11DRV_server_startticks;
  66
  67 static BOOL synchronous;  /* run in synchronous mode? */
  68 static char *desktop_geometry;
  69 static XVisualInfo *desktop_vi;
  70
  71 static x11drv_error_callback err_callback;   /* current callback for error */
  72 static Display *err_callback_display;        /* display callback is set for */
  73 static void *err_callback_arg;               /* error callback argument */
  74 static int err_callback_result;              /* error callback result */
  75 static int (*old_error_handler)( Display *, XErrorEvent * );
  76
  77 #define IS_OPTION_TRUE(ch) \
  78     ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
  79 #define IS_OPTION_FALSE(ch) \
  80     ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
  81
  82 /***********************************************************************
  83  *              X11DRV_expect_error
  84  *
  85  * Setup a callback function that will be called on an X error.  The
  86  * callback must return non-zero if the error is the one it expected.
  87  * This function acquires the x11 lock; X11DRV_check_error must be
  88  * called in all cases to release it.
  89  */
  90 void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
  91 {
  92     wine_tsx11_lock();
  93     XSync( display, False );
  94     err_callback         = callback;
  95     err_callback_display = display;
  96     err_callback_arg     = arg;
  97     err_callback_result  = 0;
  98 }
  99
 100
 101 /***********************************************************************
 102  *              X11DRV_check_error
 103  *
 104  * Check if an expected X11 error occurred; return non-zero if yes.
 105  * Also release the x11 lock obtained in X11DRV_expect_error.
 106  */
 107 int X11DRV_check_error(void)
 108 {
 109     int ret;
 110     XSync( err_callback_display, False );
 111     err_callback = NULL;
 112     ret = err_callback_result;
 113     wine_tsx11_unlock();
 114     return ret;
 115 }
 116
 117
 118 /***********************************************************************
 119  *              error_handler
 120  */
 121 static int error_handler( Display *display, XErrorEvent *error_evt )
 122 {
 123     if (err_callback && display == err_callback_display)
 124     {
 125         if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
 126         {
 127             TRACE( "got expected error\n" );
 128             return 0;
 129         }
 130     }
 131     if (synchronous) DebugBreak();  /* force an entry in the debugger */
 132     old_error_handler( display, error_evt );
 133     return 0;
 134 }
 135
 136 /***********************************************************************
 137  *              lock_tsx11
 138  */
 139 static void lock_tsx11(void)
 140 {
 141     EnterCriticalSection( &X11DRV_CritSection );
 142 }
 143
 144 /***********************************************************************
 145  *              unlock_tsx11
 146  */
 147 static void unlock_tsx11(void)
 148 {
 149     LeaveCriticalSection( &X11DRV_CritSection );
 150 }
 151
 152 /***********************************************************************
 153  *              get_server_startup
 154  *
 155  * Get the server startup time
 156  * Won't be exact, but should be sufficient
 157  */
 158 static void get_server_startup(void)
 159 {
 160     struct timeval t;
 161     gettimeofday( &t, NULL );
 162     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 163 }
 164
 165
 166 /***********************************************************************
 167  *              get_config_key
 168  *
 169  * Get a config key from either the app-specific or the default config
 170  */
 171 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 172                                     char *buffer, DWORD size )
 173 {
 174     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 175     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 176 }
 177
 178
 179 /***********************************************************************
 180  *              setup_options
 181  *
 182  * Setup the x11drv options.
 183  */
 184 static void setup_options(void)
 185 {
 186     char buffer[MAX_PATH+16];
 187     HKEY hkey, appkey = 0;
 188     DWORD count;
 189
 190     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 191                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 192     {
 193         ERR("Cannot create config registry key\n" );
 194         ExitProcess(1);
 195     }
 196
 197     /* open the app-specific key */
 198
 199     if (GetModuleFileName16( GetCurrentTask(), buffer, MAX_PATH ) ||
 200         GetModuleFileNameA( 0, buffer, MAX_PATH ))
 201     {
 202         HKEY tmpkey;
 203         char *p, *appname = buffer;
 204         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 205         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 206         strcat( appname, "\\x11drv" );
 207         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 208         {
 209             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 210             RegCloseKey( tmpkey );
 211         }
 212     }
 213
 214     /* get the display name */
 215
 216     strcpy( buffer, "DISPLAY=" );
 217     count = sizeof(buffer) - 8;
 218     if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
 219     {
 220         const char *display_name = getenv( "DISPLAY" );
 221         if (display_name && strcmp( buffer, display_name ))
 222             MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
 223                      buffer + 8 );
 224         putenv( strdup(buffer) );
 225     }
 226
 227     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 228     {
 229         /* Imperfect validation:  If Desktop=N, then we don't turn on
 230         ** the --desktop option.  We should really validate for a correct
 231         ** sizing entry */
 232         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 233     }
 234
 235     if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 236         managed_mode = IS_OPTION_TRUE( buffer[0] );
 237
 238     if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
 239         dxgrab = IS_OPTION_TRUE( buffer[0] );
 240
 241     if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
 242         usedga = IS_OPTION_TRUE( buffer[0] );
 243
 244     if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
 245         usexvidmode = IS_OPTION_TRUE( buffer[0] );
 246
 247     screen_depth = 0;
 248     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 249         screen_depth = atoi(buffer);
 250
 251     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 252         synchronous = IS_OPTION_TRUE( buffer[0] );
 253
 254     if (appkey) RegCloseKey( appkey );
 255     RegCloseKey( hkey );
 256 }
 257
 258
 259 /***********************************************************************
 260  *              setup_opengl_visual
 261  *
 262  * Setup the default visual used for OpenGL and Direct3D, and the desktop
 263  * window (if it exists).  If OpenGL isn't available, the visual is simply
 264  * set to the default visual for the display
 265  */
 266 #ifdef HAVE_OPENGL
 267 static void setup_opengl_visual( Display *display )
 268 {
 269     int err_base, evt_base;
 270
 271     /* In order to support OpenGL or D3D, we require a double-buffered
 272      * visual */
 273     if (glXQueryExtension(display, &err_base, &evt_base) == True) {
 274           int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
 275
 276           ENTER_GL();
 277           desktop_vi = glXChooseVisual(display, DefaultScreen(display), dblBuf);
 278           LEAVE_GL();
 279     }
 280
 281     if (desktop_vi != NULL) {
 282       visual       = desktop_vi->visual;
 283       screen       = ScreenOfDisplay(display, desktop_vi->screen);
 284       screen_depth = desktop_vi->depth;
 285     }
 286 }
 287 #endif /* HAVE_OPENGL */
 288
 289 /***********************************************************************
 290  *           X11DRV process initialisation routine
 291  */
 292 static void process_attach(void)
 293 {
 294     Display *display;
 295
 296     get_server_startup();
 297     setup_options();
 298
 299     /* setup TSX11 locking */
 300     old_tsx11_lock    = wine_tsx11_lock;
 301     old_tsx11_unlock  = wine_tsx11_unlock;
 302     wine_tsx11_lock   = lock_tsx11;
 303     wine_tsx11_unlock = unlock_tsx11;
 304
 305     /* Open display */
 306
 307     if (!(display = TSXOpenDisplay( NULL )))
 308     {
 309         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 310         ExitProcess(1);
 311     }
 312     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 313     screen = DefaultScreenOfDisplay( display );
 314     visual = DefaultVisual( display, DefaultScreen(display) );
 315     root_window = DefaultRootWindow( display );
 316     old_error_handler = XSetErrorHandler( error_handler );
 317
 318     /* Initialize screen depth */
 319
 320     if (screen_depth)  /* depth specified */
 321     {
 322         int depth_count, i;
 323         int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
 324         for (i = 0; i < depth_count; i++)
 325             if (depth_list[i] == screen_depth) break;
 326         TSXFree( depth_list );
 327         if (i >= depth_count)
 328         {
 329             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 330             ExitProcess(1);
 331         }
 332     }
 333     else screen_depth = DefaultDepthOfScreen( screen );
 334
 335     /* If OpenGL is available, change the default visual, etc as necessary */
 336 #ifdef HAVE_OPENGL
 337     setup_opengl_visual( display );
 338 #endif /* HAVE_OPENGL */
 339
 340     /* tell the libX11 that we will do input method handling ourselves
 341      * that keep libX11 from doing anything whith dead keys, allowing Wine
 342      * to have total control over dead keys, that is this line allows
 343      * them to work in Wine, even whith a libX11 including the dead key
 344      * patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
 345      */
 346     TSXOpenIM( display, NULL, NULL, NULL);
 347
 348     if (synchronous) XSynchronize( display, True );
 349
 350     screen_width  = WidthOfScreen( screen );
 351     screen_height = HeightOfScreen( screen );
 352
 353     if (desktop_geometry)
 354         root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
 355
 356     /* initialize GDI */
 357     if(!X11DRV_GDI_Initialize( display ))
 358     {
 359         ERR( "Couldn't Initialize GDI.\n" );
 360         ExitProcess(1);
 361     }
 362
 363 #ifdef HAVE_LIBXXF86VM
 364     /* initialize XVidMode */
 365     X11DRV_XF86VM_Init();
 366 #endif
 367 #ifdef HAVE_LIBXXF86DGA2
 368     /* initialize DGA2 */
 369     X11DRV_XF86DGA2_Init();
 370 #endif
 371 #ifdef HAVE_OPENGL
 372     /* initialize GLX */
 373     /*X11DRV_GLX_Init();*/
 374 #endif
 375
 376     /* load display.dll */
 377     LoadLibrary16( "display" );
 378 }
 379
 380
 381 /***********************************************************************
 382  *           X11DRV thread termination routine
 383  */
 384 static void thread_detach(void)
 385 {
 386     struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
 387
 388     if (data)
 389     {
 390         CloseHandle( data->display_fd );
 391         wine_tsx11_lock();
 392         XCloseDisplay( data->display );
 393         wine_tsx11_unlock();
 394         HeapFree( GetProcessHeap(), 0, data );
 395     }
 396 }
 397
 398
 399 /***********************************************************************
 400  *           X11DRV process termination routine
 401  */
 402 static void process_detach(void)
 403 {
 404 #ifdef HAVE_OPENGL
 405     /* cleanup GLX */
 406     /*X11DRV_GLX_Cleanup();*/
 407 #endif
 408 #ifdef HAVE_LIBXXF86DGA2
 409     /* cleanup DGA2 */
 410     X11DRV_XF86DGA2_Cleanup();
 411 #endif
 412 #ifdef HAVE_LIBXXF86VM
 413     /* cleanup XVidMode */
 414     X11DRV_XF86VM_Cleanup();
 415 #endif
 416
 417     /* FIXME: should detach all threads */
 418     thread_detach();
 419
 420     /* cleanup GDI */
 421     X11DRV_GDI_Finalize();
 422
 423     /* restore TSX11 locking */
 424     wine_tsx11_lock = old_tsx11_lock;
 425     wine_tsx11_unlock = old_tsx11_unlock;
 426     DeleteCriticalSection( &X11DRV_CritSection );
 427 }
 428
 429
 430 /***********************************************************************
 431  *           X11DRV thread initialisation routine
 432  */
 433 struct x11drv_thread_data *x11drv_init_thread_data(void)
 434 {
 435     struct x11drv_thread_data *data;
 436
 437     if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
 438     {
 439         ERR( "could not create data\n" );
 440         ExitProcess(1);
 441     }
 442     wine_tsx11_lock();
 443     if (!(data->display = XOpenDisplay(NULL)))
 444     {
 445         wine_tsx11_unlock();
 446         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 447         ExitProcess(1);
 448     }
 449     fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
 450     if (synchronous) XSynchronize( data->display, True );
 451     wine_tsx11_unlock();
 452     if (wine_server_fd_to_handle( ConnectionNumber(data->display), GENERIC_READ | SYNCHRONIZE,
 453                                   FALSE, &data->display_fd ))
 454     {
 455         MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
 456         ExitProcess(1);
 457     }
 458     data->process_event_count = 0;
 459     NtCurrentTeb()->driver_data = data;
 460     return data;
 461 }
 462
 463
 464 /***********************************************************************
 465  *           X11DRV initialisation routine
 466  */
 467 BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 468 {
 469     switch(reason)
 470     {
 471     case DLL_PROCESS_ATTACH:
 472         process_attach();
 473         break;
 474     case DLL_THREAD_DETACH:
 475         thread_detach();
 476         break;
 477     case DLL_PROCESS_DETACH:
 478         process_detach();
 479         break;
 480     }
 481     return TRUE;
 482 }
 483
 484 /***********************************************************************
 485  *              GetScreenSaveActive (X11DRV.@)
 486  *
 487  * Returns the active status of the screen saver
 488  */
 489 BOOL X11DRV_GetScreenSaveActive(void)
 490 {
 491     int timeout, temp;
 492     TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
 493     return timeout != 0;
 494 }
 495
 496 /***********************************************************************
 497  *              SetScreenSaveActive (X11DRV.@)
 498  *
 499  * Activate/Deactivate the screen saver
 500  */
 501 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 502 {
 503     int timeout, interval, prefer_blanking, allow_exposures;
 504     static int last_timeout = 15 * 60;
 505
 506     TSXGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
 507                       &allow_exposures);
 508     if (timeout) last_timeout = timeout;
 509
 510     timeout = bActivate ? last_timeout : 0;
 511     TSXSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
 512                       allow_exposures);
 513 }