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/****************************************************************************
* graphics/nxmu/nx_kbdin.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 <stdint.h>
#include <stdlib.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include "nxfe.h"
#ifdef CONFIG_NX_KBD
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_kbdin
*
* Description:
* Used by a thread or interrupt handler that manages some kind of keypad
* hardware to report text information to the NX server. That text
* data will be routed by the NX server to the appropriate window client.
*
****************************************************************************/
int nx_kbdin(NXHANDLE handle, uint8_t nch, FAR const uint8_t *ch)
{
FAR struct nxfe_conn_s *conn = (FAR struct nxfe_conn_s *)handle;
FAR struct nxsvrmsg_kbdin_s *outmsg;
int size;
int ret;
int i;
/* Allocate a bigger message to account for the variable amount of character
* data.
*/
size = sizeof(struct nxsvrmsg_kbdin_s) + nch - 1;
outmsg = (FAR struct nxsvrmsg_kbdin_s *)malloc(size);
if (!outmsg)
{
errno = ENOMEM;
return ERROR;
}
/* Inform the server of the new keypad data */
outmsg->msgid = NX_SVRMSG_KBDIN;
outmsg->nch = nch;
for (i = 0; i < nch; i++)
{
outmsg->ch[i] = ch[i];
}
ret = nxmu_sendserver(conn, outmsg, size);
free(outmsg);
return ret;
}
#endif /* CONFIG_NX_KBD */
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