static int prev_rows, prev_cols;
  
static int pending_netevent = 0;
static WPARAM pend_netevent_wParam = 0;
static LPARAM pend_netevent_lParam = 0;
static void enact_pending_netevent(void);
static void flash_window(int mode);
static void sys_cursor_update(void);

static time_t last_movement = 0;

static int caret_x = -1, caret_y = -1;

#define FONT_NORMAL 0
#define FONT_BOLD 1
#define FONT_UNDERLINE 2
#define FONT_BOLDUND 3
#define FONT_WIDE	0x04
#define FONT_HIGH	0x08

	term_out();
	term_update();
	break;
      case WM_KILLFOCUS:
	show_mouseptr(1);
	has_focus = FALSE;
	DestroyCaret();
	caret_x = caret_y = -1;	       /* ensure caret is replaced next time */
	term_out();
	term_update();
	break;
      case WM_ENTERSIZEMOVE:
#ifdef RDB_DEBUG_PATCH
	debug((27, "WM_ENTERSIZEMOVE"));
#endif

	    return rv;
	}
	/* break;  (never reached) */
      case WM_FULLSCR_ON_MAX:
	fullscr_on_max = TRUE;
	break;
      case WM_MOVE:
	sys_cursor_update();
	break;
      case WM_SIZE:
#ifdef RDB_DEBUG_PATCH
	debug((27, "WM_SIZE %s (%d,%d)",
		(wParam == SIZE_MINIMIZED) ? "SIZE_MINIMIZED":
		(wParam == SIZE_MAXIMIZED) ? "SIZE_MAXIMIZED":
		(wParam == SIZE_RESTORED && resizing) ? "to":
		(wParam == SIZE_RESTORED) ? "SIZE_RESTORED":

		    cfg.height = h;
		    cfg.width = w;
	        } else 
		    reset_window(0);
	    }
	}
	sys_cursor_update();
	return 0;
      case WM_VSCROLL:
	switch (LOWORD(wParam)) {
	  case SB_BOTTOM:
	    term_scroll(-1, 0);
	    break;
	  case SB_TOP:

	}
	net_pending_errors();
	return 0;
      case WM_INPUTLANGCHANGE:
	/* wParam == Font number */
	/* lParam == Locale */
	set_input_locale((HKL)lParam);
	sys_cursor_update();
	break;
      case WM_IME_NOTIFY:
	if(wParam == IMN_SETOPENSTATUS) {
	    HIMC hImc = ImmGetContext(hwnd);
	    ImmSetCompositionFont(hImc, &lfont);
	    ImmReleaseContext(hwnd, hImc);
	    return 0;

 * Move the system caret. (We maintain one, even though it's
 * invisible, for the benefit of blind people: apparently some
 * helper software tracks the system caret, so we should arrange to
 * have one.)
 */
void sys_cursor(int x, int y)
{
    int cx, cy;

    if (!has_focus) return;

    /*
     * Avoid gratuitously re-updating the cursor position and IMM
     * window if there's no actual change required.
     */
    cx = x * font_width + offset_width;
    cy = y * font_height + offset_height;
    if (cx == caret_x && cy == caret_y)
	return;
    caret_x = cx;
    caret_y = cy;

    sys_cursor_update();
}

static void sys_cursor_update(void)
{
    COMPOSITIONFORM cf;
    HIMC hIMC;

    if (!has_focus) return;
    
    SetCaretPos(x * font_width + offset_width,
		y * font_height + offset_height);

    if (caret_x < 0 || caret_y < 0)
	return;

    SetCaretPos(caret_x, caret_y);

    /* IMM calls on Win98 and beyond only */
    if(osVersion.dwPlatformId == VER_PLATFORM_WIN32s) return; /* 3.11 */
    
    if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
	    osVersion.dwMinorVersion == 0) return; /* 95 */

    /* we should have the IMM functions */
    hIMC = ImmGetContext(hwnd);
    cf.dwStyle = CFS_POINT;
    cf.ptCurrentPos.x = x * font_width + offset_width;
    cf.ptCurrentPos.y = y * font_height + offset_height;
    cf.ptCurrentPos.x = caret_x;
    cf.ptCurrentPos.y = caret_y;
    ImmSetCompositionWindow(hIMC, &cf);

    ImmReleaseContext(hwnd, hIMC);
}

/*
 * Draw a line of text in the window, at given character