Userland/Applications/SoundPlayer/Common.h


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/*
 * Copyright (c) 2021, Cesar Torres <shortanemoia@protonmail.com>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <LibGUI/Slider.h>

class AutoSlider final : public GUI::Slider {
    C_OBJECT(AutoSlider)
public:
    ~AutoSlider() override = default;
    Function<void(int)> on_knob_released;
    void set_value(int value)
    {
        if (!knob_dragging())
            GUI::Slider::set_value(value);
    }

    bool mouse_is_down() const { return m_mouse_is_down; }

protected:
    AutoSlider(Orientation orientation)
        : GUI::Slider(orientation)
    {
    }

    virtual void mousedown_event(GUI::MouseEvent& event) override
    {
        m_mouse_is_down = true;
        GUI::Slider::mousedown_event(event);
    }

    virtual void mouseup_event(GUI::MouseEvent& event) override
    {
        m_mouse_is_down = false;
        if (on_knob_released && is_enabled())
            on_knob_released(value());

        GUI::Slider::mouseup_event(event);
    }

private:
    bool m_mouse_is_down { false };
};