git.oblomov.eu Git - wine/blob - 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 #include "dga2.h"
  43
  44 DEFAULT_DEBUG_CHANNEL(x11drv);
  45
  46 static XKeyboardState keyboard_state;
  47 static void (*old_tsx11_lock)(void);
  48 static void (*old_tsx11_unlock)(void);
  49
  50 static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT;
  51
  52 Display *display;
  53 Screen *screen;
  54 Visual *visual;
  55 unsigned int screen_width;
  56 unsigned int screen_height;
  57 unsigned int screen_depth;
  58 Window root_window;
  59
  60 unsigned int X11DRV_server_startticks;
  61
  62 static BOOL synchronous;  /* run in synchronous mode? */
  63 static char *desktop_geometry;
  64
  65 #ifdef NO_REENTRANT_X11
  66 static int* (*old_errno_location)(void);
  67 static int* (*old_h_errno_location)(void);
  68
  69 /***********************************************************************
  70  *           x11_errno_location
  71  *
  72  * Get the per-thread errno location.
  73  */
  74 static int *x11_errno_location(void)
  75 {
  76     /* Use static libc errno while running in Xlib. */
  77     if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return perrno;
  78     return old_errno_location();
  79 }
  80
  81 /***********************************************************************
  82  *           x11_h_errno_location
  83  *
  84  * Get the per-thread h_errno location.
  85  */
  86 static int *x11_h_errno_location(void)
  87 {
  88     /* Use static libc h_errno while running in Xlib. */
  89     if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return ph_errno;
  90     return old_h_errno_location();
  91 }
  92 #endif /* NO_REENTRANT_X11 */
  93
  94 /***********************************************************************
  95  *              error_handler
  96  */
  97 static int error_handler(Display *display, XErrorEvent *error_evt)
  98 {
  99     DebugBreak();  /* force an entry in the debugger */
 100     return 0;
 101 }
 102
 103 /***********************************************************************
 104  *              lock_tsx11
 105  */
 106 static void lock_tsx11(void)
 107 {
 108     RtlEnterCriticalSection( &X11DRV_CritSection );
 109 }
 110
 111 /***********************************************************************
 112  *              unlock_tsx11
 113  */
 114 static void unlock_tsx11(void)
 115 {
 116     RtlLeaveCriticalSection( &X11DRV_CritSection );
 117 }
 118
 119 /***********************************************************************
 120  *              get_server_startup
 121  *
 122  * Get the server startup time
 123  * Won't be exact, but should be sufficient
 124  */
 125 static void get_server_startup(void)
 126 {
 127     struct timeval t;
 128     gettimeofday( &t, NULL );
 129     X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
 130 }
 131
 132
 133 /***********************************************************************
 134  *              get_config_key
 135  *
 136  * Get a config key from either the app-specific or the default config
 137  */
 138 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 139                                     char *buffer, DWORD size )
 140 {
 141     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 142     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 143 }
 144
 145
 146 /***********************************************************************
 147  *              setup_options
 148  *
 149  * Setup the x11drv options.
 150  */
 151 static void setup_options(void)
 152 {
 153     char buffer[MAX_PATH+16];
 154     HKEY hkey, appkey = 0;
 155     DWORD count;
 156
 157     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
 158                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 159     {
 160         ERR("Cannot create config registry key\n" );
 161         ExitProcess(1);
 162     }
 163
 164     /* open the app-specific key */
 165
 166     if (GetModuleFileName16( GetCurrentTask(), buffer, MAX_PATH ) ||
 167         GetModuleFileNameA( 0, buffer, MAX_PATH ))
 168     {
 169         HKEY tmpkey;
 170         char *p, *appname = buffer;
 171         if ((p = strrchr( appname, '/' ))) appname = p + 1;
 172         if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 173         strcat( appname, "\\x11drv" );
 174         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 175         {
 176             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 177             RegCloseKey( tmpkey );
 178         }
 179     }
 180
 181     /* get the display name */
 182
 183     strcpy( buffer, "DISPLAY=" );
 184     count = sizeof(buffer) - 8;
 185     if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
 186     {
 187         const char *display_name = getenv( "DISPLAY" );
 188         if (display_name && strcmp( buffer, display_name ))
 189             MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
 190                      buffer + 8 );
 191         putenv( strdup(buffer) );
 192     }
 193
 194     /* check --managed option in wine config file if it was not set on command line */
 195
 196     if (!Options.managed)
 197     {
 198         if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
 199             Options.managed = IS_OPTION_TRUE( buffer[0] );
 200     }
 201
 202     if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
 203     {
 204         /* Imperfect validation:  If Desktop=N, then we don't turn on
 205         ** the --desktop option.  We should really validate for a correct
 206         ** sizing entry */
 207         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
 208     }
 209
 210     screen_depth = 0;
 211     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
 212         screen_depth = atoi(buffer);
 213
 214     if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
 215         synchronous = IS_OPTION_TRUE( buffer[0] );
 216
 217     if (appkey) RegCloseKey( appkey );
 218     RegCloseKey( hkey );
 219 }
 220
 221
 222 /***********************************************************************
 223  *              setup_opengl_visual
 224  *
 225  * Setup the default visual used for OpenGL and Direct3D, and the desktop
 226  * window (if it exists).  If OpenGL isn't available, the visual is simply
 227  * set to the default visual for the display
 228  */
 229 XVisualInfo *desktop_vi = NULL;
 230 #ifdef HAVE_OPENGL
 231 static void setup_opengl_visual( void )
 232 {
 233     int err_base, evt_base;
 234
 235     /* In order to support OpenGL or D3D, we require a double-buffered
 236      * visual */
 237     if (glXQueryExtension(display, &err_base, &evt_base) == True) {
 238           int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
 239
 240           ENTER_GL();
 241           desktop_vi = glXChooseVisual(display, DefaultScreen(display), dblBuf);
 242           LEAVE_GL();
 243     }
 244
 245     if (desktop_vi != NULL) {
 246       visual       = desktop_vi->visual;
 247       screen       = ScreenOfDisplay(display, desktop_vi->screen);
 248       screen_depth = desktop_vi->depth;
 249     }
 250 }
 251 #endif /* HAVE_OPENGL */
 252
 253 /***********************************************************************
 254  *              create_desktop
 255  *
 256  * Create the desktop window for the --desktop mode.
 257  */
 258 static void create_desktop( const char *geometry )
 259 {
 260     int x = 0, y = 0, flags;
 261     unsigned int width = 640, height = 480;  /* Default size = 640x480 */
 262     char *name = "Wine desktop";
 263     XSizeHints *size_hints;
 264     XWMHints   *wm_hints;
 265     XClassHint *class_hints;
 266     XSetWindowAttributes win_attr;
 267     XTextProperty window_name;
 268     Atom XA_WM_DELETE_WINDOW;
 269
 270     flags = TSXParseGeometry( geometry, &x, &y, &width, &height );
 271     screen_width  = width;
 272     screen_height = height;
 273
 274     /* Create window */
 275     win_attr.background_pixel = BlackPixel(display, 0);
 276     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
 277                           PointerMotionMask | ButtonPressMask |
 278                           ButtonReleaseMask | EnterWindowMask;
 279     win_attr.cursor = TSXCreateFontCursor( display, XC_top_left_arrow );
 280
 281     if (desktop_vi != NULL) {
 282       win_attr.colormap = XCreateColormap(display, RootWindow(display,desktop_vi->screen),
 283                                                 desktop_vi->visual, AllocNone);
 284     }
 285     root_window = TSXCreateWindow( display,
 286                                    (desktop_vi == NULL ? DefaultRootWindow(display) : RootWindow(display, desktop_vi->screen)),
 287                                    x, y, width, height, 0,
 288                                    (desktop_vi == NULL ? CopyFromParent : desktop_vi->depth),
 289                                    InputOutput,
 290                                    (desktop_vi == NULL ? CopyFromParent : desktop_vi->visual),
 291                                    CWBackPixel | CWEventMask | CWCursor | (desktop_vi == NULL ? 0 : CWColormap),
 292                                    &win_attr );
 293
 294     /* Set window manager properties */
 295     size_hints  = TSXAllocSizeHints();
 296     wm_hints    = TSXAllocWMHints();
 297     class_hints = TSXAllocClassHint();
 298     if (!size_hints || !wm_hints || !class_hints)
 299     {
 300         MESSAGE("Not enough memory for window manager hints.\n" );
 301         ExitProcess(1);
 302     }
 303     size_hints->min_width = size_hints->max_width = width;
 304     size_hints->min_height = size_hints->max_height = height;
 305     size_hints->flags = PMinSize | PMaxSize;
 306     if (flags & (XValue | YValue)) size_hints->flags |= USPosition;
 307     if (flags & (WidthValue | HeightValue)) size_hints->flags |= USSize;
 308     else size_hints->flags |= PSize;
 309
 310     wm_hints->flags = InputHint | StateHint;
 311     wm_hints->input = True;
 312     wm_hints->initial_state = NormalState;
 313     class_hints->res_name  = "wine";
 314     class_hints->res_class = "Wine";
 315
 316     TSXStringListToTextProperty( &name, 1, &window_name );
 317     TSXSetWMProperties( display, root_window, &window_name, &window_name,
 318                         NULL, 0, size_hints, wm_hints, class_hints );
 319     XA_WM_DELETE_WINDOW = TSXInternAtom( display, "WM_DELETE_WINDOW", False );
 320     TSXSetWMProtocols( display, root_window, &XA_WM_DELETE_WINDOW, 1 );
 321     TSXFree( size_hints );
 322     TSXFree( wm_hints );
 323     TSXFree( class_hints );
 324
 325     /* Map window */
 326     TSXMapWindow( display, root_window );
 327 }
 328
 329
 330 /***********************************************************************
 331  *           X11DRV process initialisation routine
 332  */
 333 static void process_attach(void)
 334 {
 335     WND_Driver       = &X11DRV_WND_Driver;
 336
 337     get_server_startup();
 338     setup_options();
 339
 340     /* setup TSX11 locking */
 341 #ifdef NO_REENTRANT_X11
 342     old_errno_location = (void *)InterlockedExchange( (PLONG)&wine_errno_location,
 343                                                       (LONG)x11_errno_location );
 344     old_h_errno_location = (void *)InterlockedExchange( (PLONG)&wine_h_errno_location,
 345                                                         (LONG)x11_h_errno_location );
 346 #endif /* NO_REENTRANT_X11 */
 347     old_tsx11_lock    = wine_tsx11_lock;
 348     old_tsx11_unlock  = wine_tsx11_unlock;
 349     wine_tsx11_lock   = lock_tsx11;
 350     wine_tsx11_unlock = unlock_tsx11;
 351
 352     /* Open display */
 353
 354     if (!(display = TSXOpenDisplay( NULL )))
 355     {
 356         MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
 357         ExitProcess(1);
 358     }
 359     fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
 360     screen = DefaultScreenOfDisplay( display );
 361     visual = DefaultVisual( display, DefaultScreen(display) );
 362     root_window = DefaultRootWindow( display );
 363
 364     /* Initialize screen depth */
 365
 366     if (screen_depth)  /* depth specified */
 367     {
 368         int depth_count, i;
 369         int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
 370         for (i = 0; i < depth_count; i++)
 371             if (depth_list[i] == screen_depth) break;
 372         TSXFree( depth_list );
 373         if (i >= depth_count)
 374         {
 375             MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
 376             ExitProcess(1);
 377         }
 378     }
 379     else screen_depth = DefaultDepthOfScreen( screen );
 380
 381     /* If OpenGL is available, change the default visual, etc as necessary */
 382 #ifdef HAVE_OPENGL
 383     setup_opengl_visual();
 384 #endif /* HAVE_OPENGL */
 385
 386     /* tell the libX11 that we will do input method handling ourselves
 387      * that keep libX11 from doing anything whith dead keys, allowing Wine
 388      * to have total control over dead keys, that is this line allows
 389      * them to work in Wine, even whith a libX11 including the dead key
 390      * patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
 391      */
 392     TSXOpenIM( display, NULL, NULL, NULL);
 393
 394     if (synchronous)
 395     {
 396         XSetErrorHandler( error_handler );
 397         XSynchronize( display, True );
 398     }
 399
 400     screen_width  = WidthOfScreen( screen );
 401     screen_height = HeightOfScreen( screen );
 402
 403     if (desktop_geometry)
 404     {
 405         Options.managed = FALSE;
 406         create_desktop( desktop_geometry );
 407     }
 408
 409     /* initialize GDI */
 410     if(!X11DRV_GDI_Initialize())
 411     {
 412         ERR( "Couldn't Initialize GDI.\n" );
 413         ExitProcess(1);
 414     }
 415
 416     /* save keyboard setup */
 417     TSXGetKeyboardControl(display, &keyboard_state);
 418
 419     /* initialize event handling */
 420     X11DRV_EVENT_Init();
 421
 422 #ifdef HAVE_LIBXXF86VM
 423     /* initialize XVidMode */
 424     X11DRV_XF86VM_Init();
 425 #endif
 426 #ifdef HAVE_LIBXXF86DGA2
 427     /* initialize DGA2 */
 428     X11DRV_XF86DGA2_Init();
 429 #endif
 430 #ifdef HAVE_OPENGL
 431     /* initialize GLX */
 432     /*X11DRV_GLX_Init();*/
 433 #endif
 434
 435     /* load display.dll */
 436     LoadLibrary16( "display" );
 437 }
 438
 439
 440 /***********************************************************************
 441  *           X11DRV process termination routine
 442  */
 443 static void process_detach(void)
 444 {
 445     /* restore keyboard setup */
 446     XKeyboardControl keyboard_value;
 447
 448     keyboard_value.key_click_percent = keyboard_state.key_click_percent;
 449     keyboard_value.bell_percent      = keyboard_state.bell_percent;
 450     keyboard_value.bell_pitch        = keyboard_state.bell_pitch;
 451     keyboard_value.bell_duration     = keyboard_state.bell_duration;
 452     keyboard_value.auto_repeat_mode  = keyboard_state.global_auto_repeat;
 453
 454     TSXChangeKeyboardControl(display, KBKeyClickPercent | KBBellPercent |
 455                              KBBellPitch | KBBellDuration | KBAutoRepeatMode, &keyboard_value);
 456
 457 #ifdef HAVE_OPENGL
 458     /* cleanup GLX */
 459     /*X11DRV_GLX_Cleanup();*/
 460 #endif
 461 #ifdef HAVE_LIBXXF86DGA2
 462     /* cleanup DGA2 */
 463     X11DRV_XF86DGA2_Cleanup();
 464 #endif
 465 #ifdef HAVE_LIBXXF86VM
 466     /* cleanup XVidMode */
 467     X11DRV_XF86VM_Cleanup();
 468 #endif
 469
 470     /* cleanup event handling */
 471     X11DRV_EVENT_Cleanup();
 472
 473     /* cleanup GDI */
 474     X11DRV_GDI_Finalize();
 475
 476     /* close the display */
 477     XCloseDisplay( display );
 478     display = NULL;
 479
 480     /* restore TSX11 locking */
 481     wine_tsx11_lock = old_tsx11_lock;
 482     wine_tsx11_unlock = old_tsx11_unlock;
 483 #ifdef NO_REENTRANT_X11
 484     wine_errno_location = old_errno_location;
 485     wine_h_errno_location = old_h_errno_location;
 486 #endif /* NO_REENTRANT_X11 */
 487     RtlDeleteCriticalSection( &X11DRV_CritSection );
 488 }
 489
 490
 491 /***********************************************************************
 492  *           X11DRV initialisation routine
 493  */
 494 BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 495 {
 496     switch(reason)
 497     {
 498     case DLL_PROCESS_ATTACH:
 499         process_attach();
 500         break;
 501     case DLL_PROCESS_DETACH:
 502         process_detach();
 503         break;
 504     }
 505     return TRUE;
 506 }
 507
 508 /***********************************************************************
 509  *              X11DRV_GetScreenSaveActive
 510  *
 511  * Returns the active status of the screen saver
 512  */
 513 BOOL X11DRV_GetScreenSaveActive(void)
 514 {
 515     int timeout, temp;
 516     TSXGetScreenSaver(display, &timeout, &temp, &temp, &temp);
 517     return timeout != 0;
 518 }
 519
 520 /***********************************************************************
 521  *              X11DRV_SetScreenSaveActive
 522  *
 523  * Activate/Deactivate the screen saver
 524  */
 525 void X11DRV_SetScreenSaveActive(BOOL bActivate)
 526 {
 527     if(bActivate)
 528         TSXActivateScreenSaver(display);
 529     else
 530         TSXResetScreenSaver(display);
 531 }
 532
 533 /***********************************************************************
 534  *              X11DRV_GetScreenSaveTimeout
 535  *
 536  * Return the screen saver timeout
 537  */
 538 int X11DRV_GetScreenSaveTimeout(void)
 539 {
 540     int timeout, temp;
 541     TSXGetScreenSaver(display, &timeout, &temp, &temp, &temp);
 542     return timeout;
 543 }
 544
 545 /***********************************************************************
 546  *              X11DRV_SetScreenSaveTimeout
 547  *
 548  * Set the screen saver timeout
 549  */
 550 void X11DRV_SetScreenSaveTimeout(int nTimeout)
 551 {
 552     /* timeout is a 16bit entity (CARD16) in the protocol, so it should
 553      * not get over 32767 or it will get negative. */
 554     if (nTimeout>32767) nTimeout = 32767;
 555     TSXSetScreenSaver(display, nTimeout, 60, DefaultBlanking, DefaultExposures);
 556 }
 557
 558 /***********************************************************************
 559  *              X11DRV_IsSingleWindow
 560  */
 561 BOOL X11DRV_IsSingleWindow(void)
 562 {
 563     return (root_window != DefaultRootWindow(display));
 564 }