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