/*
 * Copyright (C) 2020 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 GZ_GUI_PLUGINS_KEYPUBLISHER_HH_
#define GZ_GUI_PLUGINS_KEYPUBLISHER_HH_

#ifndef _WIN32
#  define KeyPublisher_EXPORTS_API __attribute__ ((visibility ("default")))
#else
#  if (defined(KeyPublisher_EXPORTS))
#    define KeyPublisher_EXPORTS_API __declspec(dllexport)
#  else
#    define KeyPublisher_EXPORTS_API __declspec(dllimport)
#  endif
#endif

#include <gz/gui/qt.h>

#include <memory>

#include <gz/gui/Plugin.hh>
#include <gz/utils/ImplPtr.hh>
#include <gz/transport/Node.hh>

namespace gz::gui::plugins
{
  /// \brief Publish keyboard stokes to "keyboard/keypress" topic.
  ///
  /// ## Configuration
  /// This plugin doesn't accept any custom configuration.
  class KeyPublisher_EXPORTS_API KeyPublisher : public gz::gui::Plugin
  {
    Q_OBJECT

    /// \brief Constructor
    public: KeyPublisher();

    /// \brief Destructor
    public: virtual ~KeyPublisher();

    // Documentation inherited
    public: virtual void LoadConfig(
      const tinyxml2::XMLElement *_pluginElem) override;

    /// \brief Filter events in Qt
    /// \param[in] _obj The watched object
    /// \param[in] _event Event that happen in Qt
    protected: bool eventFilter(QObject *_obj, QEvent *_event) override;

    /// \internal
    /// \brief Pointer to private data.
    GZ_UTILS_UNIQUE_IMPL_PTR(dataPtr)
  };
}  // namespace gz::gui::plugins

#endif  // GZ_GUI_PLUGINS_KEYPUBLISHER_HH_
