serenity/Userland/Applications/Piano/KeysWidget.h
2022-04-01 21:24:45 +01:00

43 lines
1.1 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2019-2020, William McPherson <willmcpherson2@gmail.com>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Music.h"
#include <LibGUI/Frame.h>
class TrackManager;
class KeysWidget final : public GUI::Frame {
C_OBJECT(KeysWidget)
public:
virtual ~KeysWidget() override = default;
int key_code_to_key(int key_code) const;
int mouse_note() const;
void set_key(int key, Switch);
bool note_is_set(int note) const;
private:
explicit KeysWidget(TrackManager&);
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void mouseup_event(GUI::MouseEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
int note_for_event_position(Gfx::IntPoint const&) const;
TrackManager& m_track_manager;
u8 m_key_on[note_count] { 0 };
bool m_mouse_down { false };
int m_mouse_note { -1 };
};