KeyboardCallbackBehavior.h

// This file is a part of the OpenSurgSim project.
// Copyright 2015, SimQuest Solutions Inc.
//
// 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 SURGSIM_BLOCKS_KEYBOARDCALLBACKBEHAVIOR_H
#define SURGSIM_BLOCKS_KEYBOARDCALLBACKBEHAVIOR_H

#include <functional>

#include "SurgSim/Devices/Keyboard/KeyCode.h"
#include "SurgSim/Framework/Behavior.h"

namespace SurgSim
{
namespace Input
{
class InputComponent;
}

namespace Blocks
{
SURGSIM_STATIC_REGISTRATION(KeyboardCallbackBehavior);

class KeyboardCallbackBehavior : public Framework::Behavior
{
public:
    typedef std::function<void()> CallbackType;

    explicit KeyboardCallbackBehavior(const std::string& name);

    SURGSIM_CLASSNAME(SurgSim::Blocks::KeyboardCallbackBehavior);

    void setInputComponent(std::shared_ptr<Framework::Component> inputComponent);

    std::shared_ptr<Input::InputComponent> getInputComponent() const;

    void registerKey(int key);

    void registerCallback(CallbackType func);

    void update(double dt) override;

protected:
    int getKey() const;

    bool doInitialize() override;

    bool doWakeUp() override;

private:
    bool m_keyPressedLastUpdate;

    int m_actionKey;

    CallbackType m_callback;

    std::shared_ptr<Input::InputComponent> m_inputComponent;
};

}; // namespace Blocks
}; // namespace SurgSim

#endif //SURGSIM_BLOCKS_KEYBOARDCALLBACKBEHAVIOR_H