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Piano: Use LibDSP to implement delay

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This is the first step in transitioning Piano to a full LibDSP backend.
For now, the delay effect is replaced with a (mostly identical)
implementation in LibDSP.

The new ProcessorParameterSlider attaches to a LibDSP::Processor's
range parameter (LibDSP::ProcessorRangeParameter) and changes it
automatically. It also has the ability to update an external GUI::Label.
This is used for the three delay parameters and it will become useful
for auto-generating UI for Processors.
This commit is contained in:
kleines Filmröllchen 2021-08-27 16:20:09 +02:00 • committed by Ali Mohammad Pur
parent a749b16674
commit 0dc6fe9102
8 changed files with 84 additions and 49 deletions
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3
Userland/Applications/Piano/MainWidget.cpp
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@ -42,13 +42,12 @@ MainWidget::MainWidget(TrackManager& track_manager, AudioPlayerLoop& loop)
m_keys_and_knobs_container = add<GUI::Widget>();
m_keys_and_knobs_container->set_layout<GUI::HorizontalBoxLayout>();
m_keys_and_knobs_container->layout()->set_spacing(2);
m_keys_and_knobs_container->set_fixed_height(100);
m_keys_and_knobs_container->set_fixed_height(130);
m_keys_and_knobs_container->set_fill_with_background_color(true);
m_keys_widget = m_keys_and_knobs_container->add<KeysWidget>(track_manager);
m_knobs_widget = m_keys_and_knobs_container->add<KnobsWidget>(track_manager, *this);
m_knobs_widget->set_fixed_width(350);
m_roll_widget->set_keys_widget(m_keys_widget);
}