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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2019-2020, William McPherson <willmcpherson2@gmail.com>
* Copyright (c) 2021, kleines Filmröllchen <malu.bertsch@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "KeysWidget.h"
#include "Music.h"
#include <LibGUI/AbstractScrollableWidget.h>
class TrackManager;
class RollWidget final : public GUI::AbstractScrollableWidget {
C_OBJECT(RollWidget)
public:
virtual ~RollWidget() override;
const KeysWidget* keys_widget() const { return m_keys_widget; }
void set_keys_widget(const KeysWidget* widget) { m_keys_widget = widget; }
private:
explicit RollWidget(TrackManager&);
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousedown_event(GUI::MouseEvent& event) override;
virtual void mousemove_event(GUI::MouseEvent& event) override;
virtual void mouseup_event(GUI::MouseEvent& event) override;
virtual void mousewheel_event(GUI::MouseEvent&) override;
bool viewport_changed() const;
TrackManager& m_track_manager;
const KeysWidget* m_keys_widget;
int m_roll_width { 0 };
int m_num_notes { 0 };
double m_note_width { 0.0 };
int m_zoom_level { 1 };
Optional<Gfx::IntPoint> m_note_drag_start;
Optional<RollNote> m_note_drag_location;
int m_drag_note;
RefPtr<Gfx::Bitmap> m_background;
int m_prev_zoom_level { m_zoom_level };
int m_prev_scroll_x { horizontal_scrollbar().value() };
int m_prev_scroll_y { vertical_scrollbar().value() };
};
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