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Applications: Move to Userland/Applications/
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287 changed files with 1 additions and 1 deletions
183
Userland/Applications/Piano/KnobsWidget.cpp
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183
Userland/Applications/Piano/KnobsWidget.cpp
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/*
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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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#include "KnobsWidget.h"
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#include "MainWidget.h"
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#include "TrackManager.h"
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/Slider.h>
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constexpr int max_attack = 1000;
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constexpr int max_decay = 1000;
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constexpr int max_sustain = 1000;
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constexpr int max_release = 1000;
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constexpr int max_delay = 8;
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KnobsWidget::KnobsWidget(TrackManager& track_manager, MainWidget& main_widget)
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: m_track_manager(track_manager)
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, m_main_widget(main_widget)
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{
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set_layout<GUI::VerticalBoxLayout>();
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set_fill_with_background_color(true);
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m_labels_container = add<GUI::Widget>();
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m_labels_container->set_layout<GUI::HorizontalBoxLayout>();
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m_labels_container->set_fixed_height(20);
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m_octave_label = m_labels_container->add<GUI::Label>("Octave");
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m_wave_label = m_labels_container->add<GUI::Label>("Wave");
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m_attack_label = m_labels_container->add<GUI::Label>("Attack");
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m_decay_label = m_labels_container->add<GUI::Label>("Decay");
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m_sustain_label = m_labels_container->add<GUI::Label>("Sustain");
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m_release_label = m_labels_container->add<GUI::Label>("Release");
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m_delay_label = m_labels_container->add<GUI::Label>("Delay");
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m_values_container = add<GUI::Widget>();
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m_values_container->set_layout<GUI::HorizontalBoxLayout>();
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m_values_container->set_fixed_height(10);
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m_octave_value = m_values_container->add<GUI::Label>(String::number(m_track_manager.octave()));
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m_wave_value = m_values_container->add<GUI::Label>(wave_strings[m_track_manager.current_track().wave()]);
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m_attack_value = m_values_container->add<GUI::Label>(String::number(m_track_manager.current_track().attack()));
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m_decay_value = m_values_container->add<GUI::Label>(String::number(m_track_manager.current_track().decay()));
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m_sustain_value = m_values_container->add<GUI::Label>(String::number(m_track_manager.current_track().sustain()));
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m_release_value = m_values_container->add<GUI::Label>(String::number(m_track_manager.current_track().release()));
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m_delay_value = m_values_container->add<GUI::Label>(String::number(m_track_manager.current_track().delay()));
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m_knobs_container = add<GUI::Widget>();
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m_knobs_container->set_layout<GUI::HorizontalBoxLayout>();
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// FIXME: Implement vertical flipping in GUI::Slider, not here.
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m_octave_knob = m_knobs_container->add<GUI::VerticalSlider>();
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m_octave_knob->set_tooltip("Z: octave down, X: octave up");
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m_octave_knob->set_range(octave_min - 1, octave_max - 1);
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m_octave_knob->set_value((octave_max - 1) - (m_track_manager.octave() - 1));
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m_octave_knob->on_change = [this](int value) {
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int new_octave = octave_max - value;
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if (m_change_underlying)
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m_main_widget.set_octave_and_ensure_note_change(new_octave);
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ASSERT(new_octave == m_track_manager.octave());
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m_octave_value->set_text(String::number(new_octave));
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};
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m_wave_knob = m_knobs_container->add<GUI::VerticalSlider>();
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m_wave_knob->set_tooltip("C: cycle through waveforms");
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m_wave_knob->set_range(0, last_wave);
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m_wave_knob->set_value(last_wave - m_track_manager.current_track().wave());
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m_wave_knob->on_change = [this](int value) {
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int new_wave = last_wave - value;
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if (m_change_underlying)
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m_track_manager.current_track().set_wave(new_wave);
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ASSERT(new_wave == m_track_manager.current_track().wave());
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m_wave_value->set_text(wave_strings[new_wave]);
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};
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m_attack_knob = m_knobs_container->add<GUI::VerticalSlider>();
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m_attack_knob->set_range(0, max_attack);
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m_attack_knob->set_value(max_attack - m_track_manager.current_track().attack());
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m_attack_knob->set_step(100);
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m_attack_knob->on_change = [this](int value) {
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int new_attack = max_attack - value;
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if (m_change_underlying)
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m_track_manager.current_track().set_attack(new_attack);
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ASSERT(new_attack == m_track_manager.current_track().attack());
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m_attack_value->set_text(String::number(new_attack));
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};
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m_decay_knob = m_knobs_container->add<GUI::VerticalSlider>();
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m_decay_knob->set_range(0, max_decay);
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m_decay_knob->set_value(max_decay - m_track_manager.current_track().decay());
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m_decay_knob->set_step(100);
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m_decay_knob->on_change = [this](int value) {
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int new_decay = max_decay - value;
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if (m_change_underlying)
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m_track_manager.current_track().set_decay(new_decay);
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ASSERT(new_decay == m_track_manager.current_track().decay());
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m_decay_value->set_text(String::number(new_decay));
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};
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m_sustain_knob = m_knobs_container->add<GUI::VerticalSlider>();
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m_sustain_knob->set_range(0, max_sustain);
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m_sustain_knob->set_value(max_sustain - m_track_manager.current_track().sustain());
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m_sustain_knob->set_step(100);
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m_sustain_knob->on_change = [this](int value) {
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int new_sustain = max_sustain - value;
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if (m_change_underlying)
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m_track_manager.current_track().set_sustain(new_sustain);
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ASSERT(new_sustain == m_track_manager.current_track().sustain());
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m_sustain_value->set_text(String::number(new_sustain));
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};
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m_release_knob = m_knobs_container->add<GUI::VerticalSlider>();
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m_release_knob->set_range(0, max_release);
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m_release_knob->set_value(max_release - m_track_manager.current_track().release());
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m_release_knob->set_step(100);
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m_release_knob->on_change = [this](int value) {
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int new_release = max_release - value;
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if (m_change_underlying)
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m_track_manager.current_track().set_release(new_release);
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ASSERT(new_release == m_track_manager.current_track().release());
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m_release_value->set_text(String::number(new_release));
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};
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m_delay_knob = m_knobs_container->add<GUI::VerticalSlider>();
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m_delay_knob->set_range(0, max_delay);
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m_delay_knob->set_value(max_delay - m_track_manager.current_track().delay());
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m_delay_knob->on_change = [this](int value) {
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int new_delay = max_delay - value;
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if (m_change_underlying)
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m_track_manager.current_track().set_delay(new_delay);
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ASSERT(new_delay == m_track_manager.current_track().delay());
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m_delay_value->set_text(String::number(new_delay));
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};
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}
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KnobsWidget::~KnobsWidget()
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{
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}
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void KnobsWidget::update_knobs()
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{
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m_wave_knob->set_value(last_wave - m_track_manager.current_track().wave());
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// FIXME: This is needed because when the slider is changed normally, we
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// need to change the underlying value, but if the keyboard was used, we
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// need to change the slider without changing the underlying value.
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m_change_underlying = false;
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m_octave_knob->set_value(octave_max - m_track_manager.octave());
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m_wave_knob->set_value(last_wave - m_track_manager.current_track().wave());
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m_attack_knob->set_value(max_attack - m_track_manager.current_track().attack());
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m_decay_knob->set_value(max_decay - m_track_manager.current_track().decay());
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m_sustain_knob->set_value(max_sustain - m_track_manager.current_track().sustain());
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m_release_knob->set_value(max_release - m_track_manager.current_track().release());
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m_delay_knob->set_value(max_delay - m_track_manager.current_track().delay());
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m_change_underlying = true;
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}
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