incubator-nuttx/graphics/nxmu/nxmu_reportposition.c

/****************************************************************************
 * graphics/nxmu/nxmu_reportposition.c
 *
 *   Copyright (C) 2008-2009, 2011-2012 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <errno.h>
#include <debug.h>

#include <nuttx/nx/nxglib.h>
#include <nuttx/nx/nx.h>
#include "nxmu.h"

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: nxmu_reportposition
 *
 * Description:
 *   Report the new size/position of the window.
 *
 ****************************************************************************/

void nxmu_reportposition(FAR struct nxbe_window_s *wnd)
{
  FAR struct nxclimsg_newposition_s outmsg;
  int ret;

  /* Send the size/position info */

  outmsg.msgid  = NX_CLIMSG_NEWPOSITION;
  outmsg.wnd    = wnd;
  outmsg.pos.x  = wnd->bounds.pt1.x;
  outmsg.pos.y  = wnd->bounds.pt1.y;

  nxgl_rectsize(&outmsg.size, &wnd->bounds);

  /* Provide the background window bounding box which is the screen limits
   * It must always have (0,0) as its origin
   */

  nxgl_rectcopy(&outmsg.bounds, &wnd->be->bkgd.bounds);

  /* And provide this to the client */

  ret = nxmu_sendclientwindow(wnd, &outmsg, sizeof(struct nxclimsg_newposition_s));
  if (ret < 0)
    {
      gerr("ERROR: nxmu_sendclient failed: %d\n", errno);
    }
}