incubator-nuttx/libs/libnx/nxmu/nx_mousein.c

/****************************************************************************
 * libs/libnx/nxmu/nx_mousein.c
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

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

#include <nuttx/config.h>

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

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

#ifdef CONFIG_NX_XYINPUT

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

/****************************************************************************
 * Name: nx_mousein
 *
 * Description:
 *   Used by a thread or interrupt handler that manages some kind of pointing
 *   hardware to report new positional data to the NX server. That positional
 *   data will be routed by the NX server to the appropriate window client.
 *
 ****************************************************************************/

int nx_mousein(NXHANDLE handle,
               nxgl_coord_t x,
               nxgl_coord_t y,
               uint8_t buttons)
{
  FAR struct nxmu_conn_s *conn = (FAR struct nxmu_conn_s *)handle;
  struct nxsvrmsg_mousein_s outmsg;

  /* Inform the server of the new mouse position */

  outmsg.msgid   = NX_SVRMSG_MOUSEIN;
  outmsg.pt.x    = x;
  outmsg.pt.y    = y;
  outmsg.buttons = buttons;

  return nxmu_sendserver(conn, &outmsg, sizeof(struct nxsvrmsg_mousein_s));
}

#endif /* CONFIG_NX_XYINPUT */