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 #ifdef NO_REENTRANT_X11
  62 static int* (*old_errno_location)(void);
  63 static int* (*old_h_errno_location)(void);
  64
  65 /***********************************************************************
  66  *           x11_errno_location
  67  *
  68  * Get the per-thread errno location.
  69  */
  70 static int *x11_errno_location(void)
  71 {
  72     /* Use static libc errno while running in Xlib. */
  73     if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return perrno;
  74     return old_errno_location();
  75 }
  76
  77 /***********************************************************************
  78  *           x11_h_errno_location
  79  *
  80  * Get the per-thread h_errno location.
  81  */
  82 static int *x11_h_errno_location(void)
  83 {
  84     /* Use static libc h_errno while running in Xlib. */
  85     if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return ph_errno;
  86     return old_h_errno_location();
  87 }
  88 #endif /* NO_REENTRANT_X11 */
  89
  90 /***********************************************************************
  91  *              error_handler
  92  */
  93 static int error_handler(Display *display, XErrorEvent *error_evt)
  94 {
  95     DebugBreak();  /* force an entry in the debugger */
  96     return 0;
  97 }
  98
  99 /***********************************************************************
 100  *              lock_tsx11
 101  */
 102 static void lock_tsx11(void)
 103 {
 104     RtlEnterCriticalSection( &X11DRV_CritSection );
 105 }
 106
 107 /***********************************************************************
 108  *              unlock_tsx11
 109  */
 110 static void unlock_tsx11(void)
 111 {
 112     RtlLeaveCriticalSection( &X11DRV_CritSection );
 113 }
 114
 115 /***********************************************************************
 116  *              get_server_startup
 117  *
 118  * Get the server startup time
 119  * Won't be exact, but should be sufficient
 120  */
 121 static void get_server_startup(void)
 122 {
 123     struct timeval t;
 124     gettimeofday( &t, NULL );
 125     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 126 }
 127
 128
 129 /***********************************************************************
 130  *              setup_options
 131  *
 132  * Setup the x11drv options.
 133  */
 134 static void setup_options(void)
 135 {
 136     char buffer[256];
 137     HKEY hkey;
 138     DWORD type, count;
 139
 140     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 141                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 142     {
 143         ERR("Cannot create config registry key\n" );
 144         ExitProcess(1);
 145     }
 146
 147     /* --display option */
 148
 149     count = sizeof(buffer);
 150     if (!RegQueryValueExA( hkey, "display", 0, &type, buffer, &count ))
 151     {
 152         if (Options.display)
 153         {
 154             if (strcmp( buffer, Options.display ))
 155                 MESSAGE( "%s: warning: --display option ignored, using '%s'\n", argv0, buffer );
 156         }
 157         else if ((Options.display = getenv( "DISPLAY" )))
 158         {
 159             if (strcmp( buffer, Options.display ))
 160                 MESSAGE( "%s: warning: $DISPLAY variable ignored, using '%s'\n", argv0, buffer );
 161         }
 162         Options.display = strdup(buffer);
 163     }
 164     else
 165     {
 166         if (!Options.display && !(Options.display = getenv( "DISPLAY" )))
 167         {
 168             MESSAGE( "%s: no display specified\n", argv0 );
 169             ExitProcess(1);
 170         }
 171         RegSetValueExA( hkey, "display", 0, REG_SZ, Options.display, strlen(Options.display)+1 );
 172     }
 173
 174     /* check and set --managed and --desktop options in wine config file
 175      * if it was not set on command line */
 176
 177     if ((!Options.managed) && (Options.desktopGeometry == NULL))
 178     {
 179         count = sizeof(buffer);
 180         if (!RegQueryValueExA( hkey, "managed", 0, &type, buffer, &count ))
 181             Options.managed = IS_OPTION_TRUE( buffer[0] );
 182
 183         count = sizeof(buffer);
 184         if (!RegQueryValueExA( hkey, "Desktop", 0, &type, buffer, &count ))
 185             /* Imperfect validation:  If Desktop=N, then we don't turn on
 186             ** the --desktop option.  We should really validate for a correct
 187             ** sizing entry */
 188             if (! IS_OPTION_FALSE(buffer[0]))
 189                 Options.desktopGeometry = strdup(buffer);
 190     }
 191
 192     if (Options.managed)
 193         RegSetValueExA( hkey, "managed", 0, REG_SZ, "y", 2 );
 194
 195     if (Options.desktopGeometry)
 196         RegSetValueExA( hkey, "desktop", 0, REG_SZ, Options.desktopGeometry, strlen(Options.desktopGeometry)+1 );
 197
 198     RegCloseKey( hkey );
 199 }
 200
 201
 202 /***********************************************************************
 203  *              create_desktop
 204  *
 205  * Create the desktop window for the --desktop mode.
 206  */
 207 static void create_desktop( const char *geometry )
 208 {
 209     int x = 0, y = 0, flags;
 210     unsigned int width = 640, height = 480;  /* Default size = 640x480 */
 211     char *name = "Wine desktop";
 212     XSizeHints *size_hints;
 213     XWMHints   *wm_hints;
 214     XClassHint *class_hints;
 215     XSetWindowAttributes win_attr;
 216     XTextProperty window_name;
 217     Atom XA_WM_DELETE_WINDOW;
 218     /* Used to create the desktop window with a good visual */
 219     XVisualInfo *vi = NULL;
 220 #ifdef HAVE_OPENGL
 221     BOOL dblbuf_visual;
 222     int err_base, evt_base;
 223
 224     /* Get in wine.ini if the desktop window should have a double-buffered visual or not.
 225        But first, test if OpenGL is even supported on the display ! */
 226     if (glXQueryExtension(display, &err_base, &evt_base) == True) {
 227       dblbuf_visual = PROFILE_GetWineIniBool( "x11drv", "DesktopDoubleBuffered", 0 );
 228       if (dblbuf_visual)  {
 229         int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
 230
 231         ENTER_GL();
 232         vi = glXChooseVisual(display, DefaultScreen(display), dblBuf);
 233         win_attr.colormap = XCreateColormap(display, RootWindow(display,vi->screen),
 234                                             vi->visual, AllocNone);
 235         LEAVE_GL();
 236       }
 237     }
 238 #endif /* HAVE_OPENGL */
 239
 240     flags = TSXParseGeometry( geometry, &x, &y, &width, &height );
 241     screen_width  = width;
 242     screen_height = height;
 243
 244     /* Create window */
 245     win_attr.background_pixel = BlackPixel(display, 0);
 246     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
 247                           PointerMotionMask | ButtonPressMask |
 248                           ButtonReleaseMask | EnterWindowMask;
 249     win_attr.cursor = TSXCreateFontCursor( display, XC_top_left_arrow );
 250
 251     if (vi != NULL) {
 252       visual       = vi->visual;
 253       screen       = ScreenOfDisplay(display, vi->screen);
 254       screen_depth = vi->depth;
 255     }
 256     root_window = TSXCreateWindow( display,
 257                                    (vi == NULL ? DefaultRootWindow(display) : RootWindow(display, vi->screen)),
 258                                    x, y, width, height, 0,
 259                                    (vi == NULL ? CopyFromParent : vi->depth),
 260                                    InputOutput,
 261                                    (vi == NULL ? CopyFromParent : vi->visual),
 262                                    CWBackPixel | CWEventMask | CWCursor | (vi == NULL ? 0 : CWColormap),
 263                                    &win_attr );
 264
 265     /* Set window manager properties */
 266     size_hints  = TSXAllocSizeHints();
 267     wm_hints    = TSXAllocWMHints();
 268     class_hints = TSXAllocClassHint();
 269     if (!size_hints || !wm_hints || !class_hints)
 270     {
 271         MESSAGE("Not enough memory for window manager hints.\n" );
 272         ExitProcess(1);
 273     }
 274     size_hints->min_width = size_hints->max_width = width;
 275     size_hints->min_height = size_hints->max_height = height;
 276     size_hints->flags = PMinSize | PMaxSize;
 277     if (flags & (XValue | YValue)) size_hints->flags |= USPosition;
 278     if (flags & (WidthValue | HeightValue)) size_hints->flags |= USSize;
 279     else size_hints->flags |= PSize;
 280
 281     wm_hints->flags = InputHint | StateHint;
 282     wm_hints->input = True;
 283     wm_hints->initial_state = NormalState;
 284     class_hints->res_name = (char *)argv0;
 285     class_hints->res_class = "Wine";
 286
 287     TSXStringListToTextProperty( &name, 1, &window_name );
 288     TSXSetWMProperties( display, root_window, &window_name, &window_name,
 289                         NULL, 0, size_hints, wm_hints, class_hints );
 290     XA_WM_DELETE_WINDOW = TSXInternAtom( display, "WM_DELETE_WINDOW", False );
 291     TSXSetWMProtocols( display, root_window, &XA_WM_DELETE_WINDOW, 1 );
 292     TSXFree( size_hints );
 293     TSXFree( wm_hints );
 294     TSXFree( class_hints );
 295
 296     /* Map window */
 297     TSXMapWindow( display, root_window );
 298 }
 299
 300
 301 /***********************************************************************
 302  *           X11DRV process initialisation routine
 303  */
 304 static void process_attach(void)
 305 {
 306     WND_Driver       = &X11DRV_WND_Driver;
 307
 308     get_server_startup();
 309     setup_options();
 310
 311     /* setup TSX11 locking */
 312 #ifdef NO_REENTRANT_X11
 313     old_errno_location = (void *)InterlockedExchange( (PLONG)&wine_errno_location,
 314                                                       (LONG)x11_errno_location );
 315     old_h_errno_location = (void *)InterlockedExchange( (PLONG)&wine_h_errno_location,
 316                                                         (LONG)x11_h_errno_location );
 317 #endif /* NO_REENTRANT_X11 */
 318     old_tsx11_lock    = wine_tsx11_lock;
 319     old_tsx11_unlock  = wine_tsx11_unlock;
 320     wine_tsx11_lock   = lock_tsx11;
 321     wine_tsx11_unlock = unlock_tsx11;
 322
 323     /* Open display */
 324
 325     if (!(display = TSXOpenDisplay( Options.display )))
 326     {
 327         MESSAGE( "%s: Can't open display: %s\n", argv0, Options.display );
 328         ExitProcess(1);
 329     }
 330     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 331     screen = DefaultScreenOfDisplay( display );
 332     visual = DefaultVisual( display, DefaultScreen(display) );
 333     root_window = DefaultRootWindow( display );
 334
 335     /* Initialize screen depth */
 336
 337     screen_depth = PROFILE_GetWineIniInt( "x11drv", "ScreenDepth", 0 );
 338     if (screen_depth)  /* depth specified */
 339     {
 340         int depth_count, i;
 341         int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
 342         for (i = 0; i < depth_count; i++)
 343             if (depth_list[i] == screen_depth) break;
 344         TSXFree( depth_list );
 345         if (i >= depth_count)
 346         {
 347             MESSAGE( "%s: Depth %d not supported on this screen.\n", argv0, screen_depth );
 348             ExitProcess(1);
 349         }
 350     }
 351     else screen_depth = DefaultDepthOfScreen( screen );
 352
 353     /* tell the libX11 that we will do input method handling ourselves
 354      * that keep libX11 from doing anything whith dead keys, allowing Wine
 355      * to have total control over dead keys, that is this line allows
 356      * them to work in Wine, even whith a libX11 including the dead key
 357      * patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
 358      */
 359     TSXOpenIM( display, NULL, NULL, NULL);
 360
 361     if (Options.synchronous) XSetErrorHandler( error_handler );
 362
 363     screen_width  = WidthOfScreen( screen );
 364     screen_height = HeightOfScreen( screen );
 365
 366     if (Options.desktopGeometry)
 367     {
 368         Options.managed = FALSE;
 369         create_desktop( Options.desktopGeometry );
 370     }
 371
 372     /* initialize GDI */
 373     if(!X11DRV_GDI_Initialize())
 374     {
 375         MESSAGE( "%s: X11DRV Couldn't Initialize GDI.\n", argv0 );
 376         ExitProcess(1);
 377     }
 378
 379
 380     /* save keyboard setup */
 381     TSXGetKeyboardControl(display, &keyboard_state);
 382
 383     /* initialize event handling */
 384     X11DRV_EVENT_Init();
 385
 386 #ifdef HAVE_LIBXXF86VM
 387     /* initialize XVidMode */
 388     X11DRV_XF86VM_Init();
 389 #endif
 390
 391     /* load display.dll */
 392     LoadLibrary16( "display" );
 393 }
 394
 395
 396 /***********************************************************************
 397  *           X11DRV process termination routine
 398  */
 399 static void process_detach(void)
 400 {
 401     /* restore keyboard setup */
 402     XKeyboardControl keyboard_value;
 403
 404     keyboard_value.key_click_percent = keyboard_state.key_click_percent;
 405     keyboard_value.bell_percent      = keyboard_state.bell_percent;
 406     keyboard_value.bell_pitch        = keyboard_state.bell_pitch;
 407     keyboard_value.bell_duration     = keyboard_state.bell_duration;
 408     keyboard_value.auto_repeat_mode  = keyboard_state.global_auto_repeat;
 409
 410     XChangeKeyboardControl(display, KBKeyClickPercent | KBBellPercent |
 411                            KBBellPitch | KBBellDuration | KBAutoRepeatMode, &keyboard_value);
 412
 413 #ifdef HAVE_LIBXXF86VM
 414     /* cleanup XVidMode */
 415     X11DRV_XF86VM_Cleanup();
 416 #endif
 417
 418     /* cleanup GDI */
 419     X11DRV_GDI_Finalize();
 420
 421     /* restore TSX11 locking */
 422     wine_tsx11_lock = old_tsx11_lock;
 423     wine_tsx11_unlock = old_tsx11_unlock;
 424 #ifdef NO_REENTRANT_X11
 425     wine_errno_location = old_errno_location;
 426     wine_h_errno_location = old_h_errno_location;
 427 #endif /* NO_REENTRANT_X11 */
 428
 429 #if 0  /* FIXME */
 430     /* close the display */
 431     XCloseDisplay( display );
 432     display = NULL;
 433
 434     WND_Driver       = NULL;
 435 #endif
 436 }
 437
 438
 439 /***********************************************************************
 440  *           X11DRV initialisation routine
 441  */
 442 BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 443 {
 444     switch(reason)
 445     {
 446     case DLL_PROCESS_ATTACH:
 447         process_attach();
 448         break;
 449     case DLL_PROCESS_DETACH:
 450         process_detach();
 451         break;
 452     }
 453     return TRUE;
 454 }
 455
 456 /***********************************************************************
 457  *              X11DRV_GetScreenSaveActive
 458  *
 459  * Returns the active status of the screen saver
 460  */
 461 BOOL X11DRV_GetScreenSaveActive(void)
 462 {
 463     int timeout, temp;
 464     TSXGetScreenSaver(display, &timeout, &temp, &temp, &temp);
 465     return timeout != 0;
 466 }
 467
 468 /***********************************************************************
 469  *              X11DRV_SetScreenSaveActive
 470  *
 471  * Activate/Deactivate the screen saver
 472  */
 473 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 474 {
 475     if(bActivate)
 476         TSXActivateScreenSaver(display);
 477     else
 478         TSXResetScreenSaver(display);
 479 }
 480
 481 /***********************************************************************
 482  *              X11DRV_GetScreenSaveTimeout
 483  *
 484  * Return the screen saver timeout
 485  */
 486 int X11DRV_GetScreenSaveTimeout(void)
 487 {
 488     int timeout, temp;
 489     TSXGetScreenSaver(display, &timeout, &temp, &temp, &temp);
 490     return timeout;
 491 }
 492
 493 /***********************************************************************
 494  *              X11DRV_SetScreenSaveTimeout
 495  *
 496  * Set the screen saver timeout
 497  */
 498 void X11DRV_SetScreenSaveTimeout(int nTimeout)
 499 {
 500     /* timeout is a 16bit entity (CARD16) in the protocol, so it should
 501      * not get over 32767 or it will get negative. */
 502     if (nTimeout>32767) nTimeout = 32767;
 503     TSXSetScreenSaver(display, nTimeout, 60, DefaultBlanking, DefaultExposures);
 504 }
 505
 506 /***********************************************************************
 507  *              X11DRV_IsSingleWindow
 508  */
 509 BOOL X11DRV_IsSingleWindow(void)
 510 {
 511     return (root_window != DefaultRootWindow(display));
 512 }