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 "options.h"
  37 #include "user.h"
  38 #include "win.h"
  39 #include "wine_gl.h"
  40 #include "x11drv.h"
  41 #include "xvidmode.h"
  42
  43 DEFAULT_DEBUG_CHANNEL(x11drv);
  44
  45 static XKeyboardState keyboard_state;
  46 static void (*old_tsx11_lock)(void);
  47 static void (*old_tsx11_unlock)(void);
  48
  49 static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT;
  50
  51 Display *display;
  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
  59 unsigned int X11DRV_server_startticks;
  60
  61 static BOOL synchronous;  /* run in synchronous mode? */
  62 static char *desktop_geometry;
  63
  64 #ifdef NO_REENTRANT_X11
  65 static int* (*old_errno_location)(void);
  66 static int* (*old_h_errno_location)(void);
  67
  68 /***********************************************************************
  69  *           x11_errno_location
  70  *
  71  * Get the per-thread errno location.
  72  */
  73 static int *x11_errno_location(void)
  74 {
  75     /* Use static libc errno while running in Xlib. */
  76     if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return perrno;
  77     return old_errno_location();
  78 }
  79
  80 /***********************************************************************
  81  *           x11_h_errno_location
  82  *
  83  * Get the per-thread h_errno location.
  84  */
  85 static int *x11_h_errno_location(void)
  86 {
  87     /* Use static libc h_errno while running in Xlib. */
  88     if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return ph_errno;
  89     return old_h_errno_location();
  90 }
  91 #endif /* NO_REENTRANT_X11 */
  92
  93 /***********************************************************************
  94  *              error_handler
  95  */
  96 static int error_handler(Display *display, XErrorEvent *error_evt)
  97 {
  98     DebugBreak();  /* force an entry in the debugger */
  99     return 0;
 100 }
 101
 102 /***********************************************************************
 103  *              lock_tsx11
 104  */
 105 static void lock_tsx11(void)
 106 {
 107     RtlEnterCriticalSection( &X11DRV_CritSection );
 108 }
 109
 110 /***********************************************************************
 111  *              unlock_tsx11
 112  */
 113 static void unlock_tsx11(void)
 114 {
 115     RtlLeaveCriticalSection( &X11DRV_CritSection );
 116 }
 117
 118 /***********************************************************************
 119  *              get_server_startup
 120  *
 121  * Get the server startup time
 122  * Won't be exact, but should be sufficient
 123  */
 124 static void get_server_startup(void)
 125 {
 126     struct timeval t;
 127     gettimeofday( &t, NULL );
 128     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 129 }
 130
 131
 132 /***********************************************************************
 133  *              get_config_key
 134  *
 135  * Get a config key from either the app-specific or the default config
 136  */
 137 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 138                                     char *buffer, DWORD size )
 139 {
 140     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 141     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 142 }
 143
 144
 145 /***********************************************************************
 146  *              setup_options
 147  *
 148  * Setup the x11drv options.
 149  */
 150 static void setup_options(void)
 151 {
 152     char buffer[MAX_PATH+16];
 153     HKEY hkey, appkey = 0;
 154     DWORD count;
 155
 156     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 157                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 158     {
 159         ERR("Cannot create config registry key\n" );
 160         ExitProcess(1);
 161     }
 162
 163     /* open the app-specific key */
 164
 165     if (GetModuleFileName16( GetCurrentTask(), buffer, MAX_PATH ) ||
 166         GetModuleFileNameA( 0, buffer, MAX_PATH ))
 167     {
 168         HKEY tmpkey;
 169         char *p, *appname = buffer;
 170         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 171         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 172         strcat( appname, "\\x11drv" );
 173         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 174         {
 175             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 176             RegCloseKey( tmpkey );
 177         }
 178     }
 179
 180     /* get the display name */
 181
 182     strcpy( buffer, "DISPLAY=" );
 183     count = sizeof(buffer) - 8;
 184     if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
 185     {
 186         const char *display_name = getenv( "DISPLAY" );
 187         if (display_name && strcmp( buffer, display_name ))
 188             MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
 189                      buffer + 8 );
 190         putenv( strdup(buffer) );
 191     }
 192
 193     /* check --managed option in wine config file if it was not set on command line */
 194
 195     if (!Options.managed)
 196     {
 197         if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 198             Options.managed = IS_OPTION_TRUE( buffer[0] );
 199     }
 200
 201     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 202     {
 203         /* Imperfect validation:  If Desktop=N, then we don't turn on
 204         ** the --desktop option.  We should really validate for a correct
 205         ** sizing entry */
 206         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 207     }
 208
 209     screen_depth = 0;
 210     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 211         screen_depth = atoi(buffer);
 212
 213     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 214         synchronous = IS_OPTION_TRUE( buffer[0] );
 215
 216     if (appkey) RegCloseKey( appkey );
 217     RegCloseKey( hkey );
 218 }
 219
 220
 221 /***********************************************************************
 222  *              setup_opengl_visual
 223  *
 224  * Setup the default visual used for OpenGL and Direct3D, and the desktop
 225  * window (if it exists).  If OpenGL isn't available, the visual is simply
 226  * set to the default visual for the display
 227  */
 228 XVisualInfo *desktop_vi = NULL;
 229 #ifdef HAVE_OPENGL
 230 static void setup_opengl_visual( void )
 231 {
 232     int err_base, evt_base;
 233
 234     /* In order to support OpenGL or D3D, we require a double-buffered
 235      * visual */
 236     if (glXQueryExtension(display, &err_base, &evt_base) == True) {
 237           int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
 238
 239           ENTER_GL();
 240           desktop_vi = glXChooseVisual(display, DefaultScreen(display), dblBuf);
 241           LEAVE_GL();
 242     }
 243
 244     if (desktop_vi != NULL) {
 245       visual       = desktop_vi->visual;
 246       screen       = ScreenOfDisplay(display, desktop_vi->screen);
 247       screen_depth = desktop_vi->depth;
 248     }
 249 }
 250 #endif /* HAVE_OPENGL */
 251
 252 /***********************************************************************
 253  *              create_desktop
 254  *
 255  * Create the desktop window for the --desktop mode.
 256  */
 257 static void create_desktop( const char *geometry )
 258 {
 259     int x = 0, y = 0, flags;
 260     unsigned int width = 640, height = 480;  /* Default size = 640x480 */
 261     char *name = "Wine desktop";
 262     XSizeHints *size_hints;
 263     XWMHints   *wm_hints;
 264     XClassHint *class_hints;
 265     XSetWindowAttributes win_attr;
 266     XTextProperty window_name;
 267     Atom XA_WM_DELETE_WINDOW;
 268
 269     flags = TSXParseGeometry( geometry, &x, &y, &width, &height );
 270     screen_width  = width;
 271     screen_height = height;
 272
 273     /* Create window */
 274     win_attr.background_pixel = BlackPixel(display, 0);
 275     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
 276                           PointerMotionMask | ButtonPressMask |
 277                           ButtonReleaseMask | EnterWindowMask;
 278     win_attr.cursor = TSXCreateFontCursor( display, XC_top_left_arrow );
 279
 280     if (desktop_vi != NULL) {
 281       win_attr.colormap = XCreateColormap(display, RootWindow(display,desktop_vi->screen),
 282                                                 desktop_vi->visual, AllocNone);
 283     }
 284     root_window = TSXCreateWindow( display,
 285                                    (desktop_vi == NULL ? DefaultRootWindow(display) : RootWindow(display, desktop_vi->screen)),
 286                                    x, y, width, height, 0,
 287                                    (desktop_vi == NULL ? CopyFromParent : desktop_vi->depth),
 288                                    InputOutput,
 289                                    (desktop_vi == NULL ? CopyFromParent : desktop_vi->visual),
 290                                    CWBackPixel | CWEventMask | CWCursor | (desktop_vi == NULL ? 0 : CWColormap),
 291                                    &win_attr );
 292
 293     /* Set window manager properties */
 294     size_hints  = TSXAllocSizeHints();
 295     wm_hints    = TSXAllocWMHints();
 296     class_hints = TSXAllocClassHint();
 297     if (!size_hints || !wm_hints || !class_hints)
 298     {
 299         MESSAGE("Not enough memory for window manager hints.\n" );
 300         ExitProcess(1);
 301     }
 302     size_hints->min_width = size_hints->max_width = width;
 303     size_hints->min_height = size_hints->max_height = height;
 304     size_hints->flags = PMinSize | PMaxSize;
 305     if (flags & (XValue | YValue)) size_hints->flags |= USPosition;
 306     if (flags & (WidthValue | HeightValue)) size_hints->flags |= USSize;
 307     else size_hints->flags |= PSize;
 308
 309     wm_hints->flags = InputHint | StateHint;
 310     wm_hints->input = True;
 311     wm_hints->initial_state = NormalState;
 312     class_hints->res_name  = "wine";
 313     class_hints->res_class = "Wine";
 314
 315     TSXStringListToTextProperty( &name, 1, &window_name );
 316     TSXSetWMProperties( display, root_window, &window_name, &window_name,
 317                         NULL, 0, size_hints, wm_hints, class_hints );
 318     XA_WM_DELETE_WINDOW = TSXInternAtom( display, "WM_DELETE_WINDOW", False );
 319     TSXSetWMProtocols( display, root_window, &XA_WM_DELETE_WINDOW, 1 );
 320     TSXFree( size_hints );
 321     TSXFree( wm_hints );
 322     TSXFree( class_hints );
 323
 324     /* Map window */
 325     TSXMapWindow( display, root_window );
 326 }
 327
 328
 329 /***********************************************************************
 330  *           X11DRV process initialisation routine
 331  */
 332 static void process_attach(void)
 333 {
 334     WND_Driver       = &X11DRV_WND_Driver;
 335
 336     get_server_startup();
 337     setup_options();
 338
 339     /* setup TSX11 locking */
 340 #ifdef NO_REENTRANT_X11
 341     old_errno_location = (void *)InterlockedExchange( (PLONG)&wine_errno_location,
 342                                                       (LONG)x11_errno_location );
 343     old_h_errno_location = (void *)InterlockedExchange( (PLONG)&wine_h_errno_location,
 344                                                         (LONG)x11_h_errno_location );
 345 #endif /* NO_REENTRANT_X11 */
 346     old_tsx11_lock    = wine_tsx11_lock;
 347     old_tsx11_unlock  = wine_tsx11_unlock;
 348     wine_tsx11_lock   = lock_tsx11;
 349     wine_tsx11_unlock = unlock_tsx11;
 350
 351     /* Open display */
 352
 353     if (!(display = TSXOpenDisplay( NULL )))
 354     {
 355         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 356         ExitProcess(1);
 357     }
 358     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 359     screen = DefaultScreenOfDisplay( display );
 360     visual = DefaultVisual( display, DefaultScreen(display) );
 361     root_window = DefaultRootWindow( display );
 362
 363     /* Initialize screen depth */
 364
 365     if (screen_depth)  /* depth specified */
 366     {
 367         int depth_count, i;
 368         int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
 369         for (i = 0; i < depth_count; i++)
 370             if (depth_list[i] == screen_depth) break;
 371         TSXFree( depth_list );
 372         if (i >= depth_count)
 373         {
 374             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 375             ExitProcess(1);
 376         }
 377     }
 378     else screen_depth = DefaultDepthOfScreen( screen );
 379
 380     /* If OpenGL is available, change the default visual, etc as necessary */
 381 #ifdef HAVE_OPENGL
 382     setup_opengl_visual();
 383 #endif /* HAVE_OPENGL */
 384
 385     /* tell the libX11 that we will do input method handling ourselves
 386      * that keep libX11 from doing anything whith dead keys, allowing Wine
 387      * to have total control over dead keys, that is this line allows
 388      * them to work in Wine, even whith a libX11 including the dead key
 389      * patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
 390      */
 391     TSXOpenIM( display, NULL, NULL, NULL);
 392
 393     if (synchronous)
 394     {
 395         XSetErrorHandler( error_handler );
 396         XSynchronize( display, True );
 397     }
 398
 399     screen_width  = WidthOfScreen( screen );
 400     screen_height = HeightOfScreen( screen );
 401
 402     if (desktop_geometry)
 403     {
 404         Options.managed = FALSE;
 405         create_desktop( desktop_geometry );
 406     }
 407
 408     /* initialize GDI */
 409     if(!X11DRV_GDI_Initialize())
 410     {
 411         ERR( "Couldn't Initialize GDI.\n" );
 412         ExitProcess(1);
 413     }
 414
 415     /* save keyboard setup */
 416     TSXGetKeyboardControl(display, &keyboard_state);
 417
 418     /* initialize event handling */
 419     X11DRV_EVENT_Init();
 420
 421 #ifdef HAVE_LIBXXF86VM
 422     /* initialize XVidMode */
 423     X11DRV_XF86VM_Init();
 424 #endif
 425
 426     /* load display.dll */
 427     LoadLibrary16( "display" );
 428 }
 429
 430
 431 /***********************************************************************
 432  *           X11DRV process termination routine
 433  */
 434 static void process_detach(void)
 435 {
 436     /* restore keyboard setup */
 437     XKeyboardControl keyboard_value;
 438
 439     keyboard_value.key_click_percent = keyboard_state.key_click_percent;
 440     keyboard_value.bell_percent      = keyboard_state.bell_percent;
 441     keyboard_value.bell_pitch        = keyboard_state.bell_pitch;
 442     keyboard_value.bell_duration     = keyboard_state.bell_duration;
 443     keyboard_value.auto_repeat_mode  = keyboard_state.global_auto_repeat;
 444
 445     TSXChangeKeyboardControl(display, KBKeyClickPercent | KBBellPercent |
 446                              KBBellPitch | KBBellDuration | KBAutoRepeatMode, &keyboard_value);
 447
 448 #ifdef HAVE_LIBXXF86VM
 449     /* cleanup XVidMode */
 450     X11DRV_XF86VM_Cleanup();
 451 #endif
 452
 453     /* cleanup event handling */
 454     X11DRV_EVENT_Cleanup();
 455
 456     /* cleanup GDI */
 457     X11DRV_GDI_Finalize();
 458
 459     /* close the display */
 460     XCloseDisplay( display );
 461     display = NULL;
 462
 463     /* restore TSX11 locking */
 464     wine_tsx11_lock = old_tsx11_lock;
 465     wine_tsx11_unlock = old_tsx11_unlock;
 466 #ifdef NO_REENTRANT_X11
 467     wine_errno_location = old_errno_location;
 468     wine_h_errno_location = old_h_errno_location;
 469 #endif /* NO_REENTRANT_X11 */
 470     RtlDeleteCriticalSection( &X11DRV_CritSection );
 471 }
 472
 473
 474 /***********************************************************************
 475  *           X11DRV initialisation routine
 476  */
 477 BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 478 {
 479     switch(reason)
 480     {
 481     case DLL_PROCESS_ATTACH:
 482         process_attach();
 483         break;
 484     case DLL_PROCESS_DETACH:
 485         process_detach();
 486         break;
 487     }
 488     return TRUE;
 489 }
 490
 491 /***********************************************************************
 492  *              X11DRV_GetScreenSaveActive
 493  *
 494  * Returns the active status of the screen saver
 495  */
 496 BOOL X11DRV_GetScreenSaveActive(void)
 497 {
 498     int timeout, temp;
 499     TSXGetScreenSaver(display, &timeout, &temp, &temp, &temp);
 500     return timeout != 0;
 501 }
 502
 503 /***********************************************************************
 504  *              X11DRV_SetScreenSaveActive
 505  *
 506  * Activate/Deactivate the screen saver
 507  */
 508 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 509 {
 510     if(bActivate)
 511         TSXActivateScreenSaver(display);
 512     else
 513         TSXResetScreenSaver(display);
 514 }
 515
 516 /***********************************************************************
 517  *              X11DRV_GetScreenSaveTimeout
 518  *
 519  * Return the screen saver timeout
 520  */
 521 int X11DRV_GetScreenSaveTimeout(void)
 522 {
 523     int timeout, temp;
 524     TSXGetScreenSaver(display, &timeout, &temp, &temp, &temp);
 525     return timeout;
 526 }
 527
 528 /***********************************************************************
 529  *              X11DRV_SetScreenSaveTimeout
 530  *
 531  * Set the screen saver timeout
 532  */
 533 void X11DRV_SetScreenSaveTimeout(int nTimeout)
 534 {
 535     /* timeout is a 16bit entity (CARD16) in the protocol, so it should
 536      * not get over 32767 or it will get negative. */
 537     if (nTimeout>32767) nTimeout = 32767;
 538     TSXSetScreenSaver(display, nTimeout, 60, DefaultBlanking, DefaultExposures);
 539 }
 540
 541 /***********************************************************************
 542  *              X11DRV_IsSingleWindow
 543  */
 544 BOOL X11DRV_IsSingleWindow(void)
 545 {
 546     return (root_window != DefaultRootWindow(display));
 547 }