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https://github.com/RGBCube/serenity
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8f8ae5eb53
These widgets attach to a processor parameter and keep the two sides in sync. They will become very useful for smart processor interfaces.
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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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 "WidgetWithLabel.h"
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#include <AK/Vector.h>
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#include <LibDSP/ProcessorParameter.h>
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#include <LibGUI/ComboBox.h>
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#include <LibGUI/ItemListModel.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/ModelIndex.h>
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template<typename EnumT>
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requires(IsEnum<EnumT>) class ProcessorParameterDropdown : public GUI::ComboBox {
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C_OBJECT(ProcessorParameterDropdown);
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public:
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ProcessorParameterDropdown(LibDSP::ProcessorEnumParameter<EnumT>& parameter, Vector<String> modes)
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: ComboBox()
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, m_parameter(parameter)
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, m_modes(move(modes))
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{
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auto model = GUI::ItemListModel<EnumT, Vector<String>>::create(m_modes);
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set_model(model);
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set_only_allow_values_from_model(true);
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set_model_column(0);
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set_selected_index(0);
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m_parameter.set_value(static_cast<EnumT>(0));
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on_change = [this]([[maybe_unused]] auto name, GUI::ModelIndex model_index) {
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auto value = static_cast<EnumT>(model_index.row());
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m_parameter.set_value_sneaky(value, LibDSP::Detail::ProcessorParameterSetValueTag {});
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};
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m_parameter.did_change_value = [this](auto new_value) {
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set_selected_index(static_cast<int>(new_value));
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};
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}
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// Release focus when escape is pressed
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virtual void keydown_event(GUI::KeyEvent& event) override
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{
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if (event.key() == Key_Escape) {
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if (is_focused())
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set_focus(false);
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event.accept();
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} else {
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GUI::ComboBox::keydown_event(event);
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}
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}
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private:
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LibDSP::ProcessorEnumParameter<EnumT>& m_parameter;
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Vector<String> m_modes;
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};
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