ladybird/Userland/Applications/Piano/KeysWidget.h
kleines Filmröllchen 00e13b5b27 LibDSP: Rename library namespace to DSP
That's the standard naming convention, but I didn't follow it when
originally creating LibDSP and nobody corrected me, so here I am one
year later :^)
2022-07-19 11:17:45 +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 <AK/NonnullRefPtr.h>
#include <LibDSP/Keyboard.h>
#include <LibGUI/Frame.h>
class TrackManager;
class KeysWidget final : public GUI::Frame {
C_OBJECT(KeysWidget)
public:
virtual ~KeysWidget() override = default;
static i8 key_code_to_key(int key_code);
int mouse_note() const;
private:
KeysWidget(NonnullRefPtr<DSP::Keyboard>);
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;
void set_key(i8 key, DSP::Keyboard::Switch);
NonnullRefPtr<DSP::Keyboard> m_keyboard;
bool m_mouse_down { false };
int m_mouse_note { -1 };
};