ladybird/Userland/Applications/Piano/ProcessorParameterWidget/Dropdown.h

59 lines
1.8 KiB
C
Raw Normal View History

/*
* Copyright (c) 2021, kleines Filmröllchen <malu.bertsch@gmail.com>.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "WidgetWithLabel.h"
#include <AK/Vector.h>
#include <LibDSP/ProcessorParameter.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/Label.h>
#include <LibGUI/ModelIndex.h>
template<typename EnumT>
requires(IsEnum<EnumT>) class ProcessorParameterDropdown : public GUI::ComboBox {
C_OBJECT(ProcessorParameterDropdown);
public:
ProcessorParameterDropdown(LibDSP::ProcessorEnumParameter<EnumT>& parameter, Vector<String> modes)
: ComboBox()
, m_parameter(parameter)
, m_modes(move(modes))
{
auto model = GUI::ItemListModel<EnumT, Vector<String>>::create(m_modes);
set_model(model);
set_only_allow_values_from_model(true);
set_model_column(0);
set_selected_index(0);
m_parameter.set_value(static_cast<EnumT>(0));
on_change = [this]([[maybe_unused]] auto name, GUI::ModelIndex model_index) {
auto value = static_cast<EnumT>(model_index.row());
m_parameter.set_value_sneaky(value, LibDSP::Detail::ProcessorParameterSetValueTag {});
};
m_parameter.did_change_value = [this](auto new_value) {
set_selected_index(static_cast<int>(new_value));
};
}
// Release focus when escape is pressed
virtual void keydown_event(GUI::KeyEvent& event) override
{
if (event.key() == Key_Escape) {
if (is_focused())
set_focus(false);
event.accept();
} else {
GUI::ComboBox::keydown_event(event);
}
}
private:
LibDSP::ProcessorEnumParameter<EnumT>& m_parameter;
Vector<String> m_modes;
};