mouse.hpp

//------------------------------------------------------------------------------
// Project Phoenix
//
// Copyright (c) 2017-2018 RWTH Aachen University, Germany,
// Virtual Reality & Immersive Visualization Group.
//------------------------------------------------------------------------------
//                                 License
//
// Licensed under the 3-Clause BSD License (the "License");
// you may not use this file except in compliance with the License.
// See the file LICENSE for the full text.
// You may obtain a copy of the License at
//
//     https://opensource.org/licenses/BSD-3-Clause
//
// 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 LIBRARY_PHX_INPUT_MOUSE_HPP_
#define LIBRARY_PHX_INPUT_MOUSE_HPP_

#include <memory>

#define BOOST_BIND_NO_PLACEHOLDERS
// otherwise boosts _ placeholders conflict with trompeloeil ones
#include "boost/signals2/connection.hpp"
#include "boost/signals2/signal.hpp"

#include "phx/input/sdl_device.hpp"

#include "phx/export.hpp"

namespace phx {

class PHOENIX_EXPORT Mouse : public SDLDevice {
 public:
  enum ButtonEvent { BUTTON_PRESSED, BUTTON_RELEASED };
  enum ButtonId {
    LEFT_BUTTON = SDL_BUTTON_LEFT,
    MIDDLE_BUTTON = SDL_BUTTON_MIDDLE,
    RIGHT_BUTTON = SDL_BUTTON_RIGHT,
    X1_BUTTON = SDL_BUTTON_X1,
    X2_BUTTON = SDL_BUTTON_X2
  };

  virtual ~Mouse() = default;

  void Update() override;
  void OnSDLEvent(const SDL_Event& event) override;

  boost::signals2::connection RegisterButtonSignal(
      const std::function<void(ButtonId, ButtonEvent)>& callback);
  boost::signals2::connection RegisterMoveSignal(
      const std::function<void(int, int)>& callback);
  boost::signals2::connection RegisterWheelSignal(
      const std::function<void(int)>& callback);

 private:
  boost::signals2::signal<void(ButtonId, ButtonEvent)> button_signal_;
  boost::signals2::signal<void(int, int)> move_signal_;
  boost::signals2::signal<void(int)> wheel_signal_;
};

}  // namespace phx

#endif  // LIBRARY_PHX_INPUT_MOUSE_HPP_