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Piano: Add a generic processor parameter widget

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This automatically creates the correct collection of name label, value
label and "editor" (knob, checkbox, dropdown) depending on the processor
type and layouts them vertically.
This commit is contained in:
kleines Filmröllchen 2022-07-23 15:38:42 +02:00 • committed by Andreas Kling
parent 6389384882
commit 196841fd3a
3 changed files with 69 additions and 0 deletions
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41
Userland/Applications/Piano/ProcessorParameterWidget/ParameterWidget.cpp Normal file
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/*
* Copyright (c) 2022, kleines Filmröllchen <filmroellchen@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ParameterWidget.h"
#include "Dropdown.h"
#include "Slider.h"
#include "Toggle.h"
#include <LibDSP/Synthesizers.h>
#include <LibGUI/BoxLayout.h>
ProcessorParameterWidget::ProcessorParameterWidget(DSP::ProcessorParameter& raw_parameter)
: m_parameter(raw_parameter)
{
set_layout<GUI::VerticalBoxLayout>();
m_label = add<GUI::Label>(raw_parameter.name());
switch (raw_parameter.type()) {
case DSP::ParameterType::Range: {
auto& parameter = static_cast<DSP::ProcessorRangeParameter&>(raw_parameter);
m_value_label = add<GUI::Label>(String::number(static_cast<double>(parameter.value())));
m_parameter_modifier = add<ProcessorParameterSlider>(Orientation::Vertical, parameter, m_value_label);
break;
}
case DSP::ParameterType::Enum: {
// FIXME: We shouldn't do that, but the only user is the synth right now.
auto& parameter = static_cast<DSP::ProcessorEnumParameter<DSP::Synthesizers::Waveform>&>(raw_parameter);
auto enum_strings = Vector<String> { "Sine", "Triangle", "Square", "Saw", "Noise" };
m_parameter_modifier = add<ProcessorParameterDropdown<DSP::Synthesizers::Waveform>>(parameter, move(enum_strings));
break;
}
case DSP::ParameterType::Boolean: {
auto& parameter = static_cast<DSP::ProcessorBooleanParameter&>(raw_parameter);
m_parameter_modifier = add<ProcessorParameterToggle>(parameter);
break;
}
default:
VERIFY_NOT_REACHED();
}
}