4aadcc8c28
Squashed commit of the following:
Update .gitignore
Fix some compile-related issues.
Add support for cursors of differing pixeldepth.
Various compile-related fixes.
graphics/nxglib: Separate cursor rendering routines in nxglib/ (like all other rendering logic). graphics/nxbe: Flesh out remaining cursor methods.
582 lines
20 KiB
C
582 lines
20 KiB
C
/****************************************************************************
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* graphics/nxmu/nxmu_server.c
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*
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* Copyright (C) 2008-2012, 2017, 2019 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <semaphore.h>
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#include <mqueue.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/mqueue.h>
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#include <nuttx/nx/nx.h>
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#include "nxmu.h"
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxmu_disconnect
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****************************************************************************/
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static inline void nxmu_disconnect(FAR struct nxmu_conn_s *conn)
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{
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struct nxclimsg_disconnected_s outmsg;
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int ret;
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/* Send the handshake message back to the client */
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outmsg.msgid = NX_CLIMSG_DISCONNECTED;
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ret = nxmu_sendclient(conn, &outmsg, sizeof(struct nxclimsg_disconnected_s));
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if (ret < 0)
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{
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gerr("ERROR: nxmu_sendclient failed: %d\n", ret);
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}
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/* Close the outgoing client message queue */
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(void)mq_close(conn->swrmq);
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}
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/****************************************************************************
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* Name: nxmu_connect
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****************************************************************************/
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static inline void nxmu_connect(FAR struct nxmu_conn_s *conn)
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{
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char mqname[NX_CLIENT_MXNAMELEN];
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struct nxclimsg_connected_s outmsg;
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int ret;
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/* Create the client MQ name */
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sprintf(mqname, NX_CLIENT_MQNAMEFMT, conn->cid);
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/* Open the client MQ -- this should have already been created by the client */
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conn->swrmq = mq_open(mqname, O_WRONLY);
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if (conn->swrmq == (mqd_t)-1)
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{
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gerr("ERROR: mq_open(%s) failed: %d\n", mqname, errno);
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outmsg.msgid = NX_CLIMSG_DISCONNECTED;
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}
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/* Send the handshake message back to the client */
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outmsg.msgid = NX_CLIMSG_CONNECTED;
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ret = nxmu_sendclient(conn, &outmsg, sizeof(struct nxclimsg_connected_s));
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if (ret < 0)
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{
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gerr("ERROR: nxmu_sendclient failed: %d\n", ret);
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}
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}
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/****************************************************************************
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* Name: nxmu_shutdown
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****************************************************************************/
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static inline void nxmu_shutdown(FAR struct nxmu_state_s *nxmu)
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{
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FAR struct nxbe_window_s *wnd;
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/* Inform all of the clients in the window list that the server is
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* exit-ting. Notes: (1) that the following loop will probably attempt to
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* disconnect clients multiple times because one client may have multiple
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* windows: The first disconnect will fail; subsequent will return errors
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* that are ignored. (2) The final window to be disconnected will be the
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* background window, thus close all of the servers message queues.
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*/
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for (wnd = nxmu->be.topwnd; wnd; wnd = wnd->below)
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{
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(void)nxmu_disconnect(wnd->conn);
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}
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}
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/****************************************************************************
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* Name: nxmu_event
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****************************************************************************/
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static void nxmu_event(FAR struct nxbe_window_s *wnd, enum nx_event_e event,
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FAR void *arg)
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{
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struct nxclimsg_event_s outmsg;
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int ret;
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outmsg.msgid = NX_CLIMSG_EVENT;
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outmsg.wnd = wnd;
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outmsg.arg = arg;
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outmsg.event = event;
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ret = nxmu_sendclient(wnd->conn, &outmsg,
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sizeof(struct nxclimsg_event_s));
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if (ret < 0)
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{
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gerr("ERROR: nxmu_sendclient failed: %d\n", ret);
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}
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}
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/****************************************************************************
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* Name: nxmu_setup
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****************************************************************************/
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static inline int nxmu_setup(FAR const char *mqname, FAR NX_DRIVERTYPE *dev,
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FAR struct nxmu_state_s *nxmu)
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{
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struct mq_attr attr;
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int ret;
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memset(nxmu, 0, sizeof(struct nxmu_state_s));
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/* Configure the framebuffer/LCD device */
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ret = nxbe_configure(dev, &nxmu->be);
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if (ret < 0)
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{
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gerr("ERROR: nxbe_configure failed: %d\n", ret);
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return ret;
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}
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#ifdef CONFIG_FB_CMAP
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ret = nxbe_colormap(dev);
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if (ret < 0)
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{
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gerr("ERROR: nxbe_colormap failed: %d\n", ret);
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return ret;
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}
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#endif /* CONFIG_FB_CMAP */
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/* Initialize the non-NULL elements of the server connection structure.
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* Oddly, this strcture represents the connection between the server and
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* itself.
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*
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* Open the incoming server MQ. The server receives messages on the
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* background window's incoming message queue.
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*/
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attr.mq_maxmsg = CONFIG_NX_MXSERVERMSGS;
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attr.mq_msgsize = NX_MXSVRMSGLEN;
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attr.mq_flags = 0;
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nxmu->conn.crdmq = mq_open(mqname, O_RDONLY | O_CREAT, 0666, &attr);
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if (nxmu->conn.crdmq == (mqd_t)-1)
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{
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int errcode = get_errno();
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gerr("ERROR: mq_open(%s) failed: %d\n", mqname, errcode);
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return -errcode;
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}
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/* NOTE that the outgoing client MQ (cwrmq) is not initialized. The
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* background window never initiates messages.
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*/
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/* Open the outgoing server MQ. This is used to send messages to the
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* background window which will, of course, be received and handled by
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* the server message loop.
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*/
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nxmu->conn.swrmq = mq_open(mqname, O_WRONLY);
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if (nxmu->conn.swrmq == (mqd_t)-1)
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{
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int errcode = get_errno();
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gerr("ERROR: mq_open(%s) failed: %d\n", mqname, errcode);
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mq_close(nxmu->conn.crdmq);
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return -errcode;
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}
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/* The server is now "connected" to itself via the background window */
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nxmu->conn.state = NX_CLISTATE_CONNECTED;
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/* Initialize the non-NULL elements of the background window */
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nxmu->be.bkgd.conn = &nxmu->conn;
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nxmu->be.bkgd.be = (FAR struct nxbe_state_s *)nxmu;
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nxmu->be.bkgd.bounds.pt2.x = nxmu->be.vinfo.xres - 1;
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nxmu->be.bkgd.bounds.pt2.y = nxmu->be.vinfo.yres - 1;
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/* Complete initialization of the server state structure. The
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* window list contains only one element: The background window
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* with nothing else above or below it
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*/
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nxmu->be.topwnd = &nxmu->be.bkgd;
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/* Initialize the mouse position */
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#ifdef CONFIG_NX_XYINPUT
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nxmu_mouseinit(nxmu->be.vinfo.xres, nxmu->be.vinfo.yres);
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#endif
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return OK;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nx_runinstance
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*
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* Description:
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* This is the server entry point. It does not return; the calling thread
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* is dedicated to supporting NX server.
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*
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* NOTE that multiple instances of the NX server may run at the same time,
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* each with different callback and message queue names.
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*
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* Input Parameters:
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* mqname - The name for the server incoming message queue
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* dev - Vtable "object" of the framebuffer/LCD "driver" to use
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*
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* Returned Value:
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* This function usually does not return. If it does return, it will
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* return a negated errno value indicating the cause of the failure.
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*
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****************************************************************************/
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int nx_runinstance(FAR const char *mqname, FAR NX_DRIVERTYPE *dev)
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{
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struct nxmu_state_s nxmu;
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FAR struct nxsvrmsg_s *msg;
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char buffer[NX_MXSVRMSGLEN];
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int nbytes;
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int ret;
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/* Initialization *********************************************************/
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DEBUGASSERT(mqname != NULL || dev != NULL);
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/* Initialize and configure the server */
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ret = nxmu_setup(mqname, dev, &nxmu);
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if (ret < 0)
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{
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return ret;
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}
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/* Produce the initial, background display */
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nxbe_redraw(&nxmu.be, &nxmu.be.bkgd, &nxmu.be.bkgd.bounds);
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/* Message Loop ***********************************************************/
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/* Then loop forever processing incoming messages */
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for (; ; )
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{
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/* Receive the next server message */
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nbytes = nxmq_receive(nxmu.conn.crdmq, buffer, NX_MXSVRMSGLEN, 0);
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if (nbytes < 0)
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{
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if (nbytes != -EINTR)
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{
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gerr("ERROR: nxmq_receive() failed: %d\n", nbytes);
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ret = nbytes;
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goto errout;
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}
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continue;
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}
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/* Dispatch the message appropriately */
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DEBUGASSERT(nbytes >= sizeof(struct nxsvrmsg_releasebkgd_s));
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msg = (FAR struct nxsvrmsg_s *)buffer;
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ginfo("Received opcode=%d nbytes=%d\n", msg->msgid, nbytes);
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switch (msg->msgid)
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{
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/* Messages sent from clients to the NX server *********************/
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case NX_SVRMSG_CONNECT: /* Establish connection with new NX server client */
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{
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FAR struct nxsvrmsg_s *connmsg = (FAR struct nxsvrmsg_s *)buffer;
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nxmu_connect(connmsg->conn);
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}
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break;
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case NX_SVRMSG_DISCONNECT: /* Tear down connection with terminating client */
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{
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FAR struct nxsvrmsg_s *disconnmsg = (FAR struct nxsvrmsg_s *)buffer;
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nxmu_disconnect(disconnmsg->conn);
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}
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break;
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case NX_SVRMSG_OPENWINDOW: /* Create a new window */
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{
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FAR struct nxsvrmsg_openwindow_s *openmsg = (FAR struct nxsvrmsg_openwindow_s *)buffer;
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nxmu_openwindow(&nxmu.be, openmsg->wnd);
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}
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break;
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case NX_SVRMSG_CLOSEWINDOW: /* Close an existing window */
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{
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FAR struct nxsvrmsg_closewindow_s *closemsg = (FAR struct nxsvrmsg_closewindow_s *)buffer;
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nxbe_closewindow(closemsg->wnd);
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}
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break;
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case NX_SVRMSG_BLOCKED: /* Block messsages to a window */
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{
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FAR struct nxsvrmsg_blocked_s *blocked = (FAR struct nxsvrmsg_blocked_s *)buffer;
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nxmu_event(blocked->wnd, NXEVENT_BLOCKED, blocked->arg);
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}
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break;
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case NX_SVRMSG_SYNCH: /* Synchronization request */
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{
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FAR struct nxsvrmsg_synch_s *synch = (FAR struct nxsvrmsg_synch_s *)buffer;
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nxmu_event(synch->wnd, NXEVENT_SYNCHED, synch->arg);
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}
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break;
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#if defined(CONFIG_NX_SWCURSOR) || defined(CONFIG_NX_HWCURSOR)
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case NX_SVRMSG_CURSOR_ENABLE: /* Enable/disable cursor */
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{
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FAR struct nxsvrmsg_curenable_s *enabmsg = (FAR struct nxsvrmsg_curenable_s *)buffer;
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nxbe_cursor_enable(&nxmu.be, enabmsg->enable);
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}
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break;
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#if defined(CONFIG_NX_HWCURSORIMAGE) || defined(CONFIG_NX_SWCURSOR)
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case NX_SVRMSG_CURSOR_IMAGE: /* Set cursor image */
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{
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FAR struct nxsvrmsg_curimage_s *imgmsg = (FAR struct nxsvrmsg_curimage_s *)buffer;
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nxbe_cursor_setimage(&nxmu.be, &imgmsg->image);
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}
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break;
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#endif
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case NX_SVRMSG_CURSOR_SETPOS: /* Set cursor position */
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{
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FAR struct nxsvrmsg_curpos_s *posmsg = (FAR struct nxsvrmsg_curpos_s *)buffer;
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nxbe_cursor_setposition(&nxmu.be, &posmsg->pos);
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}
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break;
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#endif
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case NX_SVRMSG_REQUESTBKGD: /* Give access to the background window */
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{
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FAR struct nxsvrmsg_requestbkgd_s *rqbgmsg = (FAR struct nxsvrmsg_requestbkgd_s *)buffer;
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nxmu_requestbkgd(rqbgmsg->conn, &nxmu.be, rqbgmsg->cb, rqbgmsg->arg);
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}
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break;
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case NX_SVRMSG_RELEASEBKGD: /* End access to the background window */
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{
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nxmu_releasebkgd(&nxmu);
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}
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break;
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case NX_SVRMSG_SETPOSITION: /* Change window position */
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{
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FAR struct nxsvrmsg_setposition_s *setposmsg = (FAR struct nxsvrmsg_setposition_s *)buffer;
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nxbe_setposition(setposmsg->wnd, &setposmsg->pos);
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}
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break;
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case NX_SVRMSG_SETSIZE: /* Change window size */
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{
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FAR struct nxsvrmsg_setsize_s *setsizemsg = (FAR struct nxsvrmsg_setsize_s *)buffer;
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nxbe_setsize(setsizemsg->wnd, &setsizemsg->size);
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}
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break;
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case NX_SVRMSG_GETPOSITION: /* Get the window size/position */
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{
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FAR struct nxsvrmsg_getposition_s *getposmsg = (FAR struct nxsvrmsg_getposition_s *)buffer;
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nxmu_reportposition(getposmsg->wnd);
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}
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break;
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case NX_SVRMSG_RAISE: /* Move the window to the top of the display */
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{
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FAR struct nxsvrmsg_raise_s *raisemsg = (FAR struct nxsvrmsg_raise_s *)buffer;
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nxbe_raise(raisemsg->wnd);
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}
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break;
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case NX_SVRMSG_LOWER: /* Lower the window to the bottom of the display */
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{
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FAR struct nxsvrmsg_lower_s *lowermsg = (FAR struct nxsvrmsg_lower_s *)buffer;
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nxbe_lower(lowermsg->wnd);
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}
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break;
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case NX_SVRMSG_MODAL: /* Select/De-select window modal state */
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{
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FAR struct nxsvrmsg_modal_s *modalmsg = (FAR struct nxsvrmsg_modal_s *)buffer;
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nxbe_modal(modalmsg->wnd, modalmsg->modal);
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}
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break;
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case NX_SVRMSG_SETPIXEL: /* Set a single pixel in the window with a color */
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{
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FAR struct nxsvrmsg_setpixel_s *setmsg = (FAR struct nxsvrmsg_setpixel_s *)buffer;
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nxbe_setpixel(setmsg->wnd, &setmsg->pos, setmsg->color);
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}
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break;
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case NX_SVRMSG_FILL: /* Fill a rectangular region in the window with a color */
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{
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FAR struct nxsvrmsg_fill_s *fillmsg = (FAR struct nxsvrmsg_fill_s *)buffer;
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nxbe_fill(fillmsg->wnd, &fillmsg->rect, fillmsg->color);
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}
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break;
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case NX_SVRMSG_GETRECTANGLE: /* Get a rectangular region from the window */
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{
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FAR struct nxsvrmsg_getrectangle_s *getmsg = (FAR struct nxsvrmsg_getrectangle_s *)buffer;
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nxbe_getrectangle(getmsg->wnd, &getmsg->rect, getmsg->plane, getmsg->dest, getmsg->deststride);
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if (getmsg->sem_done)
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{
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nxsem_post(getmsg->sem_done);
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}
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}
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break;
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case NX_SVRMSG_FILLTRAP: /* Fill a trapezoidal region in the window with a color */
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{
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FAR struct nxsvrmsg_filltrapezoid_s *trapmsg = (FAR struct nxsvrmsg_filltrapezoid_s *)buffer;
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nxbe_filltrapezoid(trapmsg->wnd, &trapmsg->clip, &trapmsg->trap, trapmsg->color);
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}
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break;
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case NX_SVRMSG_MOVE: /* Move a rectangular region within the window */
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{
|
|
FAR struct nxsvrmsg_move_s *movemsg = (FAR struct nxsvrmsg_move_s *)buffer;
|
|
nxbe_move(movemsg->wnd, &movemsg->rect, &movemsg->offset);
|
|
}
|
|
break;
|
|
|
|
case NX_SVRMSG_BITMAP: /* Copy a rectangular bitmap into the window */
|
|
{
|
|
FAR struct nxsvrmsg_bitmap_s *bmpmsg = (FAR struct nxsvrmsg_bitmap_s *)buffer;
|
|
nxbe_bitmap(bmpmsg->wnd, &bmpmsg->dest, bmpmsg->src, &bmpmsg->origin, bmpmsg->stride);
|
|
|
|
if (bmpmsg->sem_done)
|
|
{
|
|
nxsem_post(bmpmsg->sem_done);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case NX_SVRMSG_SETBGCOLOR: /* Set the color of the background */
|
|
{
|
|
FAR struct nxsvrmsg_setbgcolor_s *bgcolormsg =
|
|
(FAR struct nxsvrmsg_setbgcolor_s *)buffer;
|
|
|
|
/* Has the background color changed? */
|
|
|
|
if (!nxgl_colorcmp(nxmu.be.bgcolor, bgcolormsg->color))
|
|
{
|
|
/* Yes.. fill the background */
|
|
|
|
nxgl_colorcopy(nxmu.be.bgcolor, bgcolormsg->color);
|
|
nxbe_fill(&nxmu.be.bkgd, &nxmu.be.bkgd.bounds, bgcolormsg->color);
|
|
}
|
|
}
|
|
break;
|
|
|
|
#ifdef CONFIG_NX_XYINPUT
|
|
case NX_SVRMSG_MOUSEIN: /* New mouse report from mouse client */
|
|
{
|
|
FAR struct nxsvrmsg_mousein_s *mousemsg = (FAR struct nxsvrmsg_mousein_s *)buffer;
|
|
nxmu_mousein(&nxmu, &mousemsg->pt, mousemsg->buttons);
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_NX_KBD
|
|
case NX_SVRMSG_KBDIN: /* New keyboard report from keyboard client */
|
|
{
|
|
FAR struct nxsvrmsg_kbdin_s *kbdmsg = (FAR struct nxsvrmsg_kbdin_s *)buffer;
|
|
nxmu_kbdin(&nxmu, kbdmsg->nch, kbdmsg->ch);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case NX_SVRMSG_REDRAWREQ: /* Request re-drawing of rectangular region */
|
|
{
|
|
FAR struct nxsvrmsg_redrawreq_s *redrawmsg = (FAR struct nxsvrmsg_redrawreq_s *)buffer;
|
|
nxmu_redrawreq(redrawmsg->wnd, &redrawmsg->rect);
|
|
}
|
|
break;
|
|
|
|
/* Messages sent to the background window **************************/
|
|
|
|
case NX_CLIMSG_REDRAW: /* Re-draw the background window */
|
|
{
|
|
FAR struct nxclimsg_redraw_s *redraw = (FAR struct nxclimsg_redraw_s *)buffer;
|
|
DEBUGASSERT(redraw->wnd == &nxmu.be.bkgd);
|
|
ginfo("Re-draw background rect={(%d,%d),(%d,%d)}\n",
|
|
redraw->rect.pt1.x, redraw->rect.pt1.y,
|
|
redraw->rect.pt2.x, redraw->rect.pt2.y);
|
|
nxbe_fill(&nxmu.be.bkgd, &redraw->rect, nxmu.be.bgcolor);
|
|
}
|
|
break;
|
|
|
|
case NX_CLIMSG_MOUSEIN: /* Ignored */
|
|
case NX_CLIMSG_KBDIN:
|
|
break;
|
|
|
|
case NX_CLIMSG_CONNECTED: /* Shouldn't happen */
|
|
case NX_CLIMSG_DISCONNECTED:
|
|
default:
|
|
gerr("ERROR: Unrecognized command: %d\n", msg->msgid);
|
|
break;
|
|
}
|
|
}
|
|
|
|
nxmu_shutdown(&nxmu);
|
|
return OK;
|
|
|
|
errout:
|
|
nxmu_shutdown(&nxmu);
|
|
return ret;
|
|
}
|