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64 lines
2.5 KiB
C++
64 lines
2.5 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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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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/ScrollableWidget.h>
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class TrackManager;
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class RollWidget final : public GUI::ScrollableWidget {
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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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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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};
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