TimerGUIPlugin.hh

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/*
 * Copyright (C) 2014 Open Source Robotics Foundation
 *
 * Licensed 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.
 *
*/
#ifndef GAZEBO_PLUGINS_TIMERGUIPLUGIN_HH_
#define GAZEBO_PLUGINS_TIMERGUIPLUGIN_HH_

#include <mutex>
#include <string>
#include <vector>
#include <ignition/transport/Node.hh>

#include <gazebo/common/Events.hh>
#include <gazebo/common/Plugin.hh>
#include <gazebo/common/Timer.hh>
#include <gazebo/gui/GuiPlugin.hh>
#ifndef Q_MOC_RUN  // See: https://bugreports.qt-project.org/browse/QTBUG-22829
# include <gazebo/transport/transport.hh>
#endif

namespace gazebo
{
  class GZ_PLUGIN_VISIBLE TimerGUIPlugin : public GUIPlugin
  {
    Q_OBJECT

    public: TimerGUIPlugin();

    public: virtual ~TimerGUIPlugin();

    // Documentation inherited
    public: void Load(sdf::ElementPtr _elem);

    public: common::Time GetCurrentTime() const;

    signals: void SetTime(QString _string);

    signals: void SetStartStopButton(QString _state);

    private: void OnTimerCtrl(ConstGzStringPtr &_msg);

    private: void Start();

    private: void Stop();

    private: void Reset();

    private slots: void OnStartStopButton();

    private slots: void OnSetStartStopButton(QString _state);

    private slots: void OnResetButton();

    private: void PreRender();

    private: bool eventFilter(QObject *_obj, QEvent *_event);

    private: transport::NodePtr node;

    private: transport::SubscriberPtr ctrlSub;

    private: common::Timer timer;

    private: std::vector<event::ConnectionPtr> connections;

    private: std::mutex timerMutex;

    private: QPushButton *startStopButton;

    private: std::string startStyle;

    private: std::string stopStyle;

    private: QPushButton *resetButton;

    private: int posX;

    private: int posY;

    // Place ignition::transport objects at the end of this file to
    // guarantee they are destructed first.

    private: ignition::transport::Node nodeIgn;
  };
}

#endif