wait_for_master_dialog.cpp

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/*
 * Copyright (c) 2011, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the Willow Garage, Inc. 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
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// Apparently OSX #defines 'check' to be an empty string somewhere.
// That was fun to figure out.
#ifdef check
#undef check
#endif

#include <QTimer>

#include <ros/ros.h>

#include "rviz/wait_for_master_dialog.h"

namespace rviz
{
WaitForMasterDialog::WaitForMasterDialog(QWidget* parent) : QMessageBox(parent)
{
  setIcon(QMessageBox::Critical);

  const std::string& master_uri = ros::master::getURI();
  std::stringstream ss;
  ss << "Could not contact ROS master at [" << master_uri << "], retrying...";

  setText(QString::fromStdString(ss.str()));
  setWindowTitle("RViz: waiting for master");
  setStandardButtons(QMessageBox::Cancel);

  QTimer* timer = new QTimer(this);
  connect(timer, SIGNAL(timeout()), this, SLOT(onTimer()));
  timer->start(1000);
}

void WaitForMasterDialog::onTimer()
{
  if (ros::master::check())
  {
    accept();
  }
}

} // end namespace rviz