C++ DefaultRootWindow函数代码示例

Window xf_CreateDummyWindow(xfContext* xfc)
{
	return XCreateSimpleWindow(xfc->display, DefaultRootWindow(xfc->display),
	                           0, 0, 1, 1, 0, 0, 0);
}

static void winopen(void)
{
	XWMHints *wmhints;
	XClassHint *classhint;

	xdpy = XOpenDisplay(NULL);
	if (!xdpy)
		winerror(&gapp, fz_throw("cannot open display"));

	XA_TARGETS = XInternAtom(xdpy, "TARGETS", False);
	XA_TIMESTAMP = XInternAtom(xdpy, "TIMESTAMP", False);
	XA_UTF8_STRING = XInternAtom(xdpy, "UTF8_STRING", False);
	WM_DELETE_WINDOW = XInternAtom(xdpy, "WM_DELETE_WINDOW", False);

	xscr = DefaultScreen(xdpy);

	ximage_init(xdpy, xscr, DefaultVisual(xdpy, xscr));

	xcarrow = XCreateFontCursor(xdpy, XC_left_ptr);
	xchand = XCreateFontCursor(xdpy, XC_hand2);
	xcwait = XCreateFontCursor(xdpy, XC_watch);

	xbgcolor.red = 0x7000;
	xbgcolor.green = 0x7000;
	xbgcolor.blue = 0x7000;

	xshcolor.red = 0x4000;
	xshcolor.green = 0x4000;
	xshcolor.blue = 0x4000;

	XAllocColor(xdpy, DefaultColormap(xdpy, xscr), &xbgcolor);
	XAllocColor(xdpy, DefaultColormap(xdpy, xscr), &xshcolor);

	xwin = XCreateWindow(xdpy, DefaultRootWindow(xdpy),
		10, 10, 200, 100, 1,
		ximage_get_depth(),
		InputOutput,
		ximage_get_visual(),
		0,
		NULL);
	if (xwin == None)
		winerror(&gapp, fz_throw("cannot create window"));

	XSetWindowColormap(xdpy, xwin, ximage_get_colormap());
	XSelectInput(xdpy, xwin,
		StructureNotifyMask | ExposureMask | KeyPressMask |
		PointerMotionMask | ButtonPressMask | ButtonReleaseMask);

	mapped = 0;

	xgc = XCreateGC(xdpy, xwin, 0, NULL);

	XDefineCursor(xdpy, xwin, xcarrow);

	wmhints = XAllocWMHints();
	if (wmhints)
	{
		wmhints->flags = IconPixmapHint | IconMaskHint;
		xicon = XCreateBitmapFromData(xdpy, xwin,
			(char*)mupdf_icon_bitmap_16_bits,
			mupdf_icon_bitmap_16_width,
			mupdf_icon_bitmap_16_height);
		xmask = XCreateBitmapFromData(xdpy, xwin,
			(char*)mupdf_icon_bitmap_16_mask_bits,
			mupdf_icon_bitmap_16_mask_width,
			mupdf_icon_bitmap_16_mask_height);
		if (xicon && xmask)
		{
			wmhints->icon_pixmap = xicon;
			wmhints->icon_mask = xmask;
			XSetWMHints(xdpy, xwin, wmhints);
		}
		XFree(wmhints);
	}

	classhint = XAllocClassHint();
	if (classhint)
	{
		classhint->res_name = "mupdf";
		classhint->res_class = "MuPDF";
		XSetClassHint(xdpy, xwin, classhint);
		XFree(classhint);
	}

	XSetWMProtocols(xdpy, xwin, &WM_DELETE_WINDOW, 1);

	x11fd = ConnectionNumber(xdpy);
}

CXWindowsScreenSaver::CXWindowsScreenSaver(
				CXWindowsScreen* screen, Display* display) :
	m_screen(screen),
	m_display(display),
	m_notify(None),
	m_xscreensaver(None),
	m_xscreensaverActive(false),
	m_disabled(false),
	m_suppressDisable(false),
	m_disableJobInstalled(false)
{
	// screen saver disable callback
	m_disableJob = new TMethodJob<CXWindowsScreenSaver>(this,
								&CXWindowsScreenSaver::disableCallback);

	// get atoms
	m_atomScreenSaver           = XInternAtom(m_display,
										"SCREENSAVER", False);
	m_atomScreenSaverVersion    = XInternAtom(m_display,
										"_SCREENSAVER_VERSION", False);
	m_atomScreenSaverActivate   = XInternAtom(m_display,
										"ACTIVATE", False);
	m_atomScreenSaverDeactivate = XInternAtom(m_display,
										"DEACTIVATE", False);
	m_atomSynergyScreenSaver    = XInternAtom(m_display,
										"SYNERGY_SCREENSAVER", False);

	// create dummy window to receive xscreensaver responses.  this
	// shouldn't be necessary (we should be able to send responses
	// to None) but it doesn't hurt.
	XSetWindowAttributes attr;
	attr.event_mask            = 0;//PropertyChangeMask;
	attr.do_not_propagate_mask = 0;
	attr.override_redirect     = True;
	m_xscreensaverSink = XCreateWindow(m_display,
								DefaultRootWindow(m_display),
								0, 0, 1, 1, 0, 0,
								InputOnly, CopyFromParent,
								CWDontPropagate | CWEventMask |
								CWOverrideRedirect,
								&attr);
	LOG((CLOG_DEBUG "xscreensaver sink window is 0x%08x", m_xscreensaverSink));

	// watch top-level windows for changes
	{
		bool error = false;
		CXWindowsUtil::CErrorLock lock(m_display, &error);
		Window root = DefaultRootWindow(m_display);
		XWindowAttributes attr;
		XGetWindowAttributes(m_display, root, &attr);
		m_rootEventMask = attr.your_event_mask;
		XSelectInput(m_display, root, m_rootEventMask | SubstructureNotifyMask);
		if (error) {
			LOG((CLOG_DEBUG "didn't set root event mask"));
			m_rootEventMask = 0;
		}
	}

	// get the xscreensaver window, if any
	if (!findXScreenSaver()) {
		setXScreenSaver(None);
	}

	// get the built-in settings
	XGetScreenSaver(m_display, &m_timeout, &m_interval,
								&m_preferBlanking, &m_allowExposures);
}

void
setstatus(Display *dpy, char *str) {
	XStoreName(dpy, DefaultRootWindow(dpy), str);
	XSync(dpy, False);
}

int
X11_Init(void)
{

    char buf[512];
    char *displayname;

    XGCValues gcvalues;

    /* grrr, Xtk forced contortions */
    char *argv[2];
    int argc = 2;

    if (cp_getvar("display", VT_STRING, buf)) {
      displayname = buf;
    } else if (!(displayname = getenv("DISPLAY"))) {
      internalerror("Can't open X display.");
      return (1);
    }

#  ifdef DEBUG
    _Xdebug = 1;
#  endif

    argv[0] = "ngspice";
    argv[1] = displayname;
/*
    argv[2] = "-geometry";
    argv[3] = "=1x1+2+2";
*/

    /* initialize X toolkit */
    toplevel = XtInitialize("ngspice", "Nutmeg", NULL, 0, &argc, argv);

    display = XtDisplay(toplevel);

    X11_Open = 1;

    /* "invert" works better than "xor" for B&W */

    /* xor gc should be a function of the pixels that are written on */
    /* gcvalues.function = GXxor; */
    /* this patch makes lines visible on true color displays
    Guenther Roehrich 22-Jan-99 */
    gcvalues.function = GXinvert;
    gcvalues.line_width = 1;
    gcvalues.foreground = 1;
    gcvalues.background = 0;

    xorgc = XCreateGC(display, DefaultRootWindow(display),
	    GCLineWidth | GCFunction | GCForeground | GCBackground,
	    &gcvalues);

    /* set correct information */
    dispdev->numlinestyles = NUMLINESTYLES;
    dispdev->numcolors = NUMCOLORS;

    dispdev->width = DisplayWidth(display, DefaultScreen(display));
    dispdev->height = DisplayHeight(display, DefaultScreen(display));

    /* we don't want non-fatal X errors to call exit */
    XSetErrorHandler(errorhandler);

    numdispplanes = DisplayPlanes(display, DefaultScreen(display));

    return (0);

}

bool CWinSystemX11::HasWindowManager()
{
  Window wm_check;
  unsigned char *data;
  int status, real_format;
  Atom real_type, prop;
  unsigned long items_read, items_left;

  prop = XInternAtom(m_dpy, "_NET_SUPPORTING_WM_CHECK", True);
  if (prop == None)
    return false;
  status = XGetWindowProperty(m_dpy, DefaultRootWindow(m_dpy), prop,
                      0L, 1L, False, XA_WINDOW, &real_type, &real_format,
                      &items_read, &items_left, &data);
  if(status != Success || ! items_read)
  {
    if(status == Success)
      XFree(data);
    return false;
  }

  wm_check = ((Window*)data)[0];
  XFree(data);

  status = XGetWindowProperty(m_dpy, wm_check, prop,
                      0L, 1L, False, XA_WINDOW, &real_type, &real_format,
                      &items_read, &items_left, &data);

  if(status != Success || !items_read)
  {
    if(status == Success)
      XFree(data);
    return false;
  }

  if(wm_check != ((Window*)data)[0])
  {
    XFree(data);
    return false;
  }

  XFree(data);

  prop = XInternAtom(m_dpy, "_NET_WM_NAME", True);
  if (prop == None)
  {
    CLog::Log(LOGDEBUG,"Window Manager Name: ");
    return true;
  }

  status = XGetWindowProperty(m_dpy, wm_check, prop,
                        0L, (~0L), False, AnyPropertyType, &real_type, &real_format,
                        &items_read, &items_left, &data);

  if(status == Success && items_read)
  {
    CLog::Log(LOGDEBUG,"Window Manager Name: %s", data);
  }
  else
    CLog::Log(LOGDEBUG,"Window Manager Name: ");

  if(status == Success)
    XFree(data);

  return true;
}

static cairo_surface_t *
_cairo_boilerplate_gl_create_window_db (const char		  *name,
					cairo_content_t 	   content,
					double			   width,
					double			   height,
					double			   max_width,
					double			   max_height,
					cairo_boilerplate_mode_t   mode,
					int			   id,
					void			 **closure)
{
    int rgba_attribs[] = { GLX_RGBA,
			   GLX_RED_SIZE, 1,
			   GLX_GREEN_SIZE, 1,
			   GLX_BLUE_SIZE, 1,
			   GLX_ALPHA_SIZE, 1,
			   GLX_DOUBLEBUFFER,
			   None };
    XVisualInfo *vi;
    GLXContext ctx;
    gl_target_closure_t *gltc;
    cairo_surface_t *surface;
    Display *dpy;
    XSetWindowAttributes attr;
    cairo_status_t status;

    gltc = calloc (1, sizeof (gl_target_closure_t));
    *closure = gltc;

    if (width == 0)
	width = 1;
    if (height == 0)
	height = 1;

    dpy = XOpenDisplay (NULL);
    gltc->dpy = dpy;
    if (!gltc->dpy) {
	fprintf (stderr, "Failed to open display: %s\n", XDisplayName(0));
	free (gltc);
	return NULL;
    }

    if (mode == CAIRO_BOILERPLATE_MODE_TEST)
	XSynchronize (gltc->dpy, 1);

    vi = glXChooseVisual (dpy, DefaultScreen (dpy), rgba_attribs);
    if (vi == NULL) {
	fprintf (stderr, "Failed to create RGBA, double-buffered visual\n");
	XCloseDisplay (dpy);
	free (gltc);
	return NULL;
    }

    attr.colormap = XCreateColormap (dpy,
				     RootWindow (dpy, vi->screen),
				     vi->visual,
				     AllocNone);
    attr.border_pixel = 0;
    attr.override_redirect = True;
    gltc->drawable = XCreateWindow (dpy, DefaultRootWindow (dpy), 0, 0,
				    width, height, 0, vi->depth,
				    InputOutput, vi->visual,
				    CWOverrideRedirect | CWBorderPixel | CWColormap,
				    &attr);
    XMapWindow (dpy, gltc->drawable);

    ctx = glXCreateContext (dpy, vi, NULL, True);
    XFree (vi);

    gltc->ctx = ctx;
    gltc->device = cairo_glx_device_create (dpy, ctx);

    gltc->surface = cairo_gl_surface_create_for_window (gltc->device,
							gltc->drawable,
							ceil (width),
							ceil (height));
    surface = cairo_surface_create_similar (gltc->surface, content, width, height);
    status = cairo_surface_set_user_data (surface, &gl_closure_key, gltc, NULL);
    if (status == CAIRO_STATUS_SUCCESS)
	return surface;

    cairo_surface_destroy (surface);
    _cairo_boilerplate_gl_cleanup (gltc);
    return cairo_boilerplate_surface_create_in_error (status);
}

static int preinit(struct vo *vo)
{
    XvPortID xv_p;
    int busy_ports = 0;
    unsigned int i;
    struct xvctx *ctx = vo->priv;
    int xv_adaptor = ctx->cfg_xv_adaptor;

    if (!vo_x11_init(vo))
        return -1;

    if (!vo_x11_create_vo_window(vo, NULL, "xv"))
        goto error;

    struct vo_x11_state *x11 = vo->x11;

    /* check for Xvideo extension */
    unsigned int ver, rel, req, ev, err;
    if (Success != XvQueryExtension(x11->display, &ver, &rel, &req, &ev, &err)) {
        MP_ERR(vo, "Xv not supported by this X11 version/driver\n");
        goto error;
    }

    /* check for Xvideo support */
    if (Success !=
        XvQueryAdaptors(x11->display, DefaultRootWindow(x11->display),
                        &ctx->adaptors, &ctx->ai)) {
        MP_ERR(vo, "XvQueryAdaptors failed.\n");
        goto error;
    }

    /* check adaptors */
    if (ctx->xv_port) {
        int port_found;

        for (port_found = 0, i = 0; !port_found && i < ctx->adaptors; i++) {
            if ((ctx->ai[i].type & XvInputMask)
                && (ctx->ai[i].type & XvImageMask)) {
                for (xv_p = ctx->ai[i].base_id;
                     xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports;
                     ++xv_p) {
                    if (xv_p == ctx->xv_port) {
                        port_found = 1;
                        break;
                    }
                }
            }
        }
        if (port_found) {
            if (XvGrabPort(x11->display, ctx->xv_port, CurrentTime))
                ctx->xv_port = 0;
        } else {
            MP_WARN(vo, "Invalid port parameter, overriding with port 0.\n");
            ctx->xv_port = 0;
        }
    }

    for (i = 0; i < ctx->adaptors && ctx->xv_port == 0; i++) {
        /* check if adaptor number has been specified */
        if (xv_adaptor != -1 && xv_adaptor != i)
            continue;

        if ((ctx->ai[i].type & XvInputMask) && (ctx->ai[i].type & XvImageMask)) {
            for (xv_p = ctx->ai[i].base_id;
                 xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports; ++xv_p)
                if (!XvGrabPort(x11->display, xv_p, CurrentTime)) {
                    ctx->xv_port = xv_p;
                    MP_VERBOSE(vo, "Using Xv Adapter #%d (%s)\n",
                               i, ctx->ai[i].name);
                    break;
                } else {
                    MP_WARN(vo, "Could not grab port %i.\n", (int) xv_p);
                    ++busy_ports;
                }
        }
    }
    if (!ctx->xv_port) {
        if (busy_ports)
            MP_ERR(vo, "Xvideo ports busy.\n");
        else
            MP_ERR(vo, "No Xvideo support found.\n");
        goto error;
    }

    if (!xv_init_colorkey(vo)) {
        goto error;             // bail out, colorkey setup failed
    }
    xv_enable_vsync(vo);
    xv_get_max_img_dim(vo, &ctx->max_width, &ctx->max_height);

    ctx->fo = XvListImageFormats(x11->display, ctx->xv_port,
                                 (int *) &ctx->formats);

    MP_WARN(vo, "Warning: this legacy VO has bad quality and performance, "
                "and will in particular result in blurry OSD and subtitles. "
                "You should fix your graphic drivers, or not force the xv VO.\n");
    return 0;

  error:
    uninit(vo);                 // free resources
//.........这里部分代码省略.........

static int _x11_clip_filter(const SDL_Event *ev)
{
        XSelectionRequestEvent *req;
        XEvent sevent;
        Atom seln_type;
        int seln_format;
        unsigned long nbytes;
        unsigned long overflow;
        unsigned char *seln_data;
        unsigned char *src;

        if (ev->type != SDL_SYSWMEVENT) return 1;
        if (ev->syswm.msg->event.xevent.type == SelectionNotify) {
                sevent = ev->syswm.msg->event.xevent;
                if (sevent.xselection.requestor == SDL_Window) {
                        lock_display();
                        src = NULL;
                        if (XGetWindowProperty(SDL_Display, SDL_Window, atom_sel,
                                                0, 9000, False, XA_STRING,
                                                (Atom *)&seln_type,
                                                (int *)&seln_format,
                                                (unsigned long *)&nbytes,
                                                (unsigned long *)&overflow,
                                                (unsigned char **)&src) == Success) {
                                if (seln_type == XA_STRING) {
                                        if (_current_selection != _current_clipboard) {
                                                free(_current_clipboard);
                                        }
                                        _current_clipboard = mem_alloc(nbytes+1);
                                        memcpy(_current_clipboard, (char*)src, nbytes);
                                        _current_clipboard[nbytes] = 0;
                                        _string_paste(CLIPPY_BUFFER, _current_clipboard);
                                        _widget_owner[CLIPPY_BUFFER]
                                                        = _widget_owner[CLIPPY_SELECT];
                                }
                                XFree(src);
                        }
                        unlock_display();
                }
                return 1;
        } else if (ev->syswm.msg->event.xevent.type == PropertyNotify) {
                sevent = ev->syswm.msg->event.xevent;
                return 1;

        } else if (ev->syswm.msg->event.xevent.type != SelectionRequest) {
                return 1;
        }

        req = &ev->syswm.msg->event.xevent.xselectionrequest;
        sevent.xselection.type = SelectionNotify;
        sevent.xselection.display = req->display;
        sevent.xselection.selection = req->selection;
        sevent.xselection.target = None;
        sevent.xselection.property = None;
        sevent.xselection.requestor = req->requestor;
        sevent.xselection.time = req->time;
        if (XGetWindowProperty(SDL_Display, DefaultRootWindow(SDL_Display),
                        XA_CUT_BUFFER0, 0, 9000, False, req->target,
                        &sevent.xselection.target, &seln_format,
                        &nbytes, &overflow, &seln_data) == Success) {
                if (sevent.xselection.target == req->target) {
                        if (sevent.xselection.target == XA_STRING) {
                                if (nbytes && seln_data[nbytes-1] == '\0')
                                        nbytes--;
                        }
                        XChangeProperty(SDL_Display, req->requestor, req->property,
                                sevent.xselection.target, seln_format, PropModeReplace,
                                seln_data, nbytes);
                        sevent.xselection.property = req->property;
                }
                XFree(seln_data);
        }
        XSendEvent(SDL_Display,req->requestor,False,0,&sevent);
        XSync(SDL_Display, False);
        return 1;
}

static void _clippy_copy_to_sys(int do_sel)
{
        int j;
        char *dst;
        char *freeme;
#if defined(__QNXNTO__)
        PhClipboardHdr clheader = {Ph_CLIPBOARD_TYPE_TEXT, 0, NULL};
        char *tmp;
        int *cldata;
        int status;
#endif

        freeme = NULL;
        if (!_current_selection) {
                dst = NULL;
                j = 0;
        } else
#if defined(WIN32)
        j = strlen(_current_selection);
#else
        if (has_sys_clip) {
                int i;
                /* convert to local */
                freeme = dst = malloc(strlen(_current_selection)+4);
                if (!dst) return;
                for (i = j = 0; _current_selection[i]; i++) {
                        dst[j] = _current_selection[i];
                        if (dst[j] != '\r') j++;
                }
                dst[j] = '\0';
        } else {
                dst = NULL;
                j = 0;
        }
#endif
#if defined(USE_X11)
        if (has_sys_clip) {
                lock_display();
                if (!dst) dst = (char *) ""; /* blah */
                if (j < 0) j = 0;
                if (do_sel) {
                        if (XGetSelectionOwner(SDL_Display, XA_PRIMARY) != SDL_Window) {
                                XSetSelectionOwner(SDL_Display, XA_PRIMARY, SDL_Window, CurrentTime);
                        }
                        XChangeProperty(SDL_Display,
                                DefaultRootWindow(SDL_Display),
                                XA_CUT_BUFFER1, XA_STRING, 8,
                                PropModeReplace, (unsigned char *)dst, j);
                } else {
                        if (XGetSelectionOwner(SDL_Display, atom_clip) != SDL_Window) {
                                XSetSelectionOwner(SDL_Display, atom_clip, SDL_Window, CurrentTime);
                        }
                        XChangeProperty(SDL_Display,
                                DefaultRootWindow(SDL_Display),
                                XA_CUT_BUFFER0, XA_STRING, 8,
                                PropModeReplace, (unsigned char *)dst, j);
                        XChangeProperty(SDL_Display,
                                DefaultRootWindow(SDL_Display),
                                XA_CUT_BUFFER1, XA_STRING, 8,
                                PropModeReplace, (unsigned char *)dst, j);
                }
                unlock_display();
        }
#elif defined(WIN32)
        if (!do_sel && OpenClipboard(SDL_Window)) {
                _hmem = GlobalAlloc((GMEM_MOVEABLE|GMEM_DDESHARE), j+1);
                if (_hmem) {
                        dst = (char *)GlobalLock(_hmem);
                        if (dst) {
                                /* this seems wrong, but msdn does this */
                                memcpy(dst, _current_selection, j);
                                dst[j] = '\0';
                                GlobalUnlock(_hmem);
                                EmptyClipboard();
                                SetClipboardData(CF_TEXT, _hmem);
                        }
                }
                CloseClipboard();
                _hmem = NULL;
                dst = 0;
        }
#elif defined(__QNXNTO__)
        if (!do_sel) {
                tmp = (char *)malloc(j+4);
                if (!tmp) {
                        cldata=(int*)tmp;
                        *cldata = Ph_CL_TEXT;
                        if (dst) memcpy(tmp+4, dst, j);
                        clheader.data = tmp;
#if (NTO_VERSION < 620)
                        if (clheader.length > 65535) clheader.length=65535;
#endif
                        clheader.length = j + 4;
#if (NTO_VERSION < 620)
                        PhClipboardCopy(inputgroup, 1, &clheader);
#else
                        PhClipboardWrite(inputgroup, 1, &clheader);
#endif
                        free(tmp);
                }
//.........这里部分代码省略.........

int GetIdleTime(Display *dpy, XScreenSaverInfo *info){
    XScreenSaverQueryInfo(dpy, DefaultRootWindow(dpy), info);
    return (int)info->idle;
}

/*ARGSUSED*/
int
main(int argc, char *argv[]) {
    XEvent ev;
    XGCValues gv;
    XSetWindowAttributes attr;
    
    (void) argc;
    argv0 = argv[0];
    
    /* Open a connection to the X server. */
    dpy = XOpenDisplay("");
    if (dpy == 0)
        Panic("can't open display.");
    
    get_resources();
    
    /* Find the screen's dimensions. */
    display_width = DisplayWidth(dpy, DefaultScreen(dpy));
    display_height = DisplayHeight(dpy, DefaultScreen(dpy));
    
    /* Set up an error handler. */
    XSetErrorHandler(ErrorHandler);
    
    /* Get the pixel values of the only two colours we use. */
    black = BlackPixel(dpy, DefaultScreen(dpy));
    white = WhitePixel(dpy, DefaultScreen(dpy));
    
    /* Get font. */
    font = XLoadQueryFont(dpy, font_name);
    if (font == 0)
        font = XLoadQueryFont(dpy, "fixed");
    if (font == 0)
        Panic("can't find a font.");
    
    /* Get a cursor. */
    initCursor();
    
    /* Create the window. */
    root = DefaultRootWindow(dpy);
    attr.override_redirect = True;
    attr.background_pixel = white;
    attr.border_pixel = black;
    attr.cursor = mouse_cursor;
    attr.event_mask = ExposureMask | VisibilityChangeMask |
        ButtonMotionMask | PointerMotionHintMask |
        ButtonPressMask | ButtonReleaseMask | StructureNotifyMask |
        EnterWindowMask | LeaveWindowMask;
    window = XCreateWindow(dpy, root,
        0, 0,
        display_width, 1.2 * (font->ascent + font->descent),
        0, CopyFromParent, InputOutput, CopyFromParent,
        CWOverrideRedirect | CWBackPixel | CWBorderPixel |
        CWCursor | CWEventMask,
        &attr);
    
    /* Create GC. */
    gv.foreground = black;
    gv.background = white;
    gv.font = font->fid;
    gc = XCreateGC(dpy, window, GCForeground | GCBackground | GCFont,
        &gv);
    
    /* Create the menu items. */
    readMenu();
    
    /* Bring up the window. */
    XMapRaised(dpy, window);
    
    /* Make sure all our communication to the server got through. */
    XSync(dpy, False);
    
    /* The main event loop. */
    for (;;) {
        getEvent(&ev);
        dispatch(&ev);
    }
}

/*************************************<->*************************************
 *
 *  Cursor _DtGetHourGlassCursor ()
 *
 *
 *  Description:
 *  -----------
 *  Builds and returns the appropriate Hourglass cursor
 *
 *
 *  Inputs:
 *  ------
 *  dpy	= display
 * 
 *  Outputs:
 *  -------
 *  Return = cursor.
 *
 *  Comments:
 *  --------
 *  None. (None doesn't count as a comment)
 * 
 *************************************<->***********************************/
Cursor 
_DtGetHourGlassCursor(
        Display *dpy )
{
    unsigned char *bits;
    unsigned char *maskBits;
    unsigned int width;
    unsigned int height;
    unsigned int xHotspot;
    unsigned int yHotspot;
    Pixmap       pixmap;
    Pixmap       maskPixmap;
    XColor       xcolors[2];
    int          scr;
    unsigned int cWidth;
    unsigned int cHeight;
    int		 useLargeCursors = 0;
    static Cursor waitCursor=0;

    _DtSvcProcessLock();
    if (waitCursor != 0) {
      _DtSvcProcessUnlock();
      return(waitCursor);
    }

    if (XQueryBestCursor (dpy, DefaultRootWindow(dpy), 
	32, 32, &cWidth, &cHeight))
    {
	if ((cWidth >= 32) && (cHeight >= 32))
	{
	    useLargeCursors = 1;
	}
    }

    if (useLargeCursors)
    {
	width = time32_width;
	height = time32_height;
	bits = time32_bits;
	maskBits = time32m_bits;
	xHotspot = time32_x_hot;
	yHotspot = time32_y_hot;
    }
    else
    {
	width = time16_width;
	height = time16_height;
	bits = time16_bits;
	maskBits = time16m_bits;
	xHotspot = time16_x_hot;
	yHotspot = time16_y_hot;
    }

    pixmap = XCreateBitmapFromData (dpy, 
		     DefaultRootWindow(dpy), (char*) bits, 
		     width, height);

  
    maskPixmap = XCreateBitmapFromData (dpy, 
		     DefaultRootWindow(dpy), (char*) maskBits, 
		     width, height);

    xcolors[0].pixel = BlackPixelOfScreen(DefaultScreenOfDisplay(dpy));
    xcolors[1].pixel = WhitePixelOfScreen(DefaultScreenOfDisplay(dpy));

    XQueryColors (dpy, 
		  DefaultColormapOfScreen(DefaultScreenOfDisplay
					  (dpy)), xcolors, 2);

    waitCursor = XCreatePixmapCursor (dpy, pixmap, maskPixmap,
				      &(xcolors[0]), &(xcolors[1]),
				      xHotspot, yHotspot);
    XFreePixmap (dpy, pixmap);
    XFreePixmap (dpy, maskPixmap);

    _DtSvcProcessUnlock();
    return (waitCursor);
//.........这里部分代码省略.........

bool wxTopLevelWindowGTK::Show( bool show )
{
    wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );

    bool deferShow = show && !m_isShown && m_deferShow;
    if (deferShow)
    {
        deferShow = gs_requestFrameExtentsStatus != 2 &&
            m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
        if (deferShow)
        {
            deferShow = g_signal_handler_find(m_widget,
                GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
                g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
                0, NULL, NULL, this) != 0;
        }
        GdkScreen* screen = NULL;
        if (deferShow)
        {
#ifdef GDK_WINDOWING_X11
            screen = gtk_widget_get_screen(m_widget);
            GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
            deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
#else
            deferShow = false;
#endif
            // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
            // to m_decorSize, it breaks saving/restoring window size with
            // GetSize()/SetSize() because it makes window bigger between each
            // restore and save.
            m_updateDecorSize = deferShow;
        }

        m_deferShow = deferShow;
    }
    if (deferShow)
    {
        // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
        // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
        // notification is received, so correct frame extents are known.
        // This allows resizing m_widget to keep the overall size in sync with
        // what wxWidgets expects it to be without an obvious change in the
        // window size immediately after it becomes visible.

        // Realize m_widget, so m_widget->window can be used. Realizing normally
        // causes the widget tree to be size_allocated, which generates size
        // events in the wrong order. However, the size_allocates will not be
        // done if the allocation is not the default (1,1).
        GtkAllocation alloc;
        gtk_widget_get_allocation(m_widget, &alloc);
        const int alloc_width = alloc.width;
        if (alloc_width == 1)
        {
            alloc.width = 2;
            gtk_widget_set_allocation(m_widget, &alloc);
        }
        gtk_widget_realize(m_widget);
        if (alloc_width == 1)
        {
            alloc.width = 1;
            gtk_widget_set_allocation(m_widget, &alloc);
        }

#ifdef GDK_WINDOWING_X11
        // send _NET_REQUEST_FRAME_EXTENTS
        XClientMessageEvent xevent;
        memset(&xevent, 0, sizeof(xevent));
        xevent.type = ClientMessage;
        GdkWindow* window = gtk_widget_get_window(m_widget);
        xevent.window = GDK_WINDOW_XID(window);
        xevent.message_type = gdk_x11_atom_to_xatom_for_display(
            gdk_window_get_display(window),
            gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
        xevent.format = 32;
        Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
        XSendEvent(display, DefaultRootWindow(display), false,
            SubstructureNotifyMask | SubstructureRedirectMask,
            (XEvent*)&xevent);
#endif // GDK_WINDOWING_X11

        if (gs_requestFrameExtentsStatus == 0)
        {
            // if WM does not respond to request within 1 second,
            // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
            m_netFrameExtentsTimerId =
                g_timeout_add(1000, request_frame_extents_timeout, this);
        }

        // defer calling gtk_widget_show()
        m_isShown = true;
        return true;
    }

    if (show && !gtk_widget_get_realized(m_widget))
    {
        // size_allocate signals occur in reverse order (bottom to top).
        // Things work better if the initial wxSizeEvents are sent (from the
        // top down), before the initial size_allocate signals occur.
        wxSizeEvent event(GetSize(), GetId());
        event.SetEventObject(this);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
    opt_tab[2].argKind = XrmoptionSepArg;
    opt_tab[2].value = (XPointer) NULL;

    /* filter option entry */
    opt_tab[3].option = xcstrdup("-filter");
    opt_tab[3].specifier = xcstrdup(".filter");
    opt_tab[3].argKind = XrmoptionNoArg;
    opt_tab[3].value = (XPointer) xcstrdup(ST);

    /* in option entry */
    opt_tab[4].option = xcstrdup("-in");
    opt_tab[4].specifier = xcstrdup(".direction");
    opt_tab[4].argKind = XrmoptionNoArg;
    opt_tab[4].value = (XPointer) xcstrdup("I");

    /* out option entry */
    opt_tab[5].option = xcstrdup("-out");
    opt_tab[5].specifier = xcstrdup(".direction");
    opt_tab[5].argKind = XrmoptionNoArg;
    opt_tab[5].value = (XPointer) xcstrdup("O");

    /* version option entry */
    opt_tab[6].option = xcstrdup("-version");
    opt_tab[6].specifier = xcstrdup(".print");
    opt_tab[6].argKind = XrmoptionNoArg;
    opt_tab[6].value = (XPointer) xcstrdup("V");

    /* help option entry */
    opt_tab[7].option = xcstrdup("-help");
    opt_tab[7].specifier = xcstrdup(".print");
    opt_tab[7].argKind = XrmoptionNoArg;
    opt_tab[7].value = (XPointer) xcstrdup("H");

    /* silent option entry */
    opt_tab[8].option = xcstrdup("-silent");
    opt_tab[8].specifier = xcstrdup(".olevel");
    opt_tab[8].argKind = XrmoptionNoArg;
    opt_tab[8].value = (XPointer) xcstrdup("S");

    /* quiet option entry */
    opt_tab[9].option = xcstrdup("-quiet");
    opt_tab[9].specifier = xcstrdup(".olevel");
    opt_tab[9].argKind = XrmoptionNoArg;
    opt_tab[9].value = (XPointer) xcstrdup("Q");

    /* verbose option entry */
    opt_tab[10].option = xcstrdup("-verbose");
    opt_tab[10].specifier = xcstrdup(".olevel");
    opt_tab[10].argKind = XrmoptionNoArg;
    opt_tab[10].value = (XPointer) xcstrdup("V");

    /* utf8 option entry */
    opt_tab[11].option = xcstrdup("-noutf8");
    opt_tab[11].specifier = xcstrdup(".noutf8");
    opt_tab[11].argKind = XrmoptionNoArg;
    opt_tab[11].value = (XPointer) xcstrdup("N");

    /* target option entry */
    opt_tab[12].option = xcstrdup("-target");
    opt_tab[12].specifier = xcstrdup(".target");
    opt_tab[12].argKind = XrmoptionSepArg;
    opt_tab[12].value = (XPointer) NULL;

    /* parse command line options */
    doOptMain(argc, argv);

    /* Connect to the X server. */
    if ((dpy = XOpenDisplay(sdisp))) {
	/* successful */
	if (fverb == OVERBOSE)
	    fprintf(stderr, "Connected to X server.\n");
    }
    else {
	/* couldn't connect to X server. Print error and exit */
	errxdisplay(sdisp);
    }

    /* parse selection command line option */
    doOptSel();

    /* parse noutf8 and target command line options */
    doOptTarget();

    /* Create a window to trap events */
    win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 1, 1, 0, 0, 0);

    /* get events about property changes */
    XSelectInput(dpy, win, PropertyChangeMask);

    if (fdiri)
	exit_code = doIn(win, argv[0]);
    else
	exit_code = doOut(win);

    /* Disconnect from the X server */
    XCloseDisplay(dpy);

    /* exit */
    return exit_code;
}