/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file graphicsWindow.I
 * @author frang
 * @date 1999-03-07
 */

/**
 * Returns true if the window has not yet been opened, or has been fully
 * closed, false if it is open.  The window is not opened immediately after
 * GraphicsEngine::make_window() is called; nor is it closed immediately after
 * GraphicsEngine::remove_window() is called.  Either operation may take a
 * frame or two.
 */
INLINE bool GraphicsWindow::
is_closed() const {
  return !_properties.get_open();
}

/**
 * Returns true if the window has been opened as a fullscreen window, false
 * otherwise.
 */
INLINE bool GraphicsWindow::
is_fullscreen() const {
  return _properties.get_fullscreen();
}

/**
 * If this flag is false, the window is redrawn only after it has received a
 * recent "unexpose" or "draw" event from the underlying windowing systme.  If
 * this flag is true, the window is redrawn every frame regardless.  Setting
 * this false may prevent the window from redrawing unnecessarily when it is
 * hidden, and may play nicer with other windows on the desktop, but may
 * adversely affect frame rate even when the window is fully visible; setting
 * it true will ensure that the window contents are always current.
 */
INLINE void GraphicsWindow::
set_unexposed_draw(bool unexposed_draw) {
  _unexposed_draw = unexposed_draw;
}


/**
 * See set_unexposed_draw().
 */
INLINE bool GraphicsWindow::
get_unexposed_draw() const {
  return _unexposed_draw;
}

/**
 * Returns the WindowHandle corresponding to this window on the desktop.  This
 * is mainly useful for communicating with external libraries.  Use
 * window_handle->get_os_handle()->get_handle(), or
 * window_handle->get_string_handle(), to get the actual OS-specific window
 * handle object, whatever type that might be.
 */
INLINE WindowHandle *GraphicsWindow::
get_window_handle() const {
  return _window_handle;
}