EnhancementsWidget:: Move to using ConfigControls and add new control for ComboBoxes that set two settings at once.

Source/Core/DolphinQt/Config/ConfigControls/ConfigChoice.cpp

@@ -71,3 +71,102 @@ void ConfigStringChoice::OnConfigChanged()
 {
   Load();
 }
+
+ConfigComplexChoice::ConfigComplexChoice(const InfoVariant setting1, const InfoVariant setting2,
+                                         Config::Layer* layer)
+    : m_setting1(setting1), m_setting2(setting2), m_layer(layer)
+{
+  connect(&Settings::Instance(), &Settings::ConfigChanged, this, &ConfigComplexChoice::Refresh);
+  connect(this, &QComboBox::currentIndexChanged, this, &ConfigComplexChoice::SaveValue);
+}
+
+void ConfigComplexChoice::Refresh()
+{
+  auto& location = GetLocation();
+
+  QFont bf = font();
+  if (m_layer != nullptr)
+  {
+    bf.setBold(m_layer->Exists(location.first) || m_layer->Exists(location.second));
+  }
+  else
+  {
+    bf.setBold(Config::GetActiveLayerForConfig(location.first) != Config::LayerType::Base ||
+               Config::GetActiveLayerForConfig(location.second) != Config::LayerType::Base);
+  }
+
+  setFont(bf);
+  UpdateComboIndex();
+}
+
+void ConfigComplexChoice::Add(const QString& name, const OptionVariant option1,
+                              const OptionVariant option2)
+{
+  const QSignalBlocker blocker(this);
+  addItem(name);
+  m_options.push_back(std::make_pair(option1, option2));
+}
+
+void ConfigComplexChoice::Reset()
+{
+  clear();
+  m_options.clear();
+}
+
+void ConfigComplexChoice::SaveValue(int choice)
+{
+  auto Set = [this, choice](auto& setting, auto& value) {
+    if (m_layer != nullptr)
+    {
+      m_layer->Set(setting.GetLocation(), value);
+      Config::OnConfigChanged();
+      return;
+    }
+
+    Config::SetBaseOrCurrent(setting, value);
+  };
+
+  std::visit(Set, m_setting1, m_options[choice].first);
+  std::visit(Set, m_setting2, m_options[choice].second);
+}
+
+void ConfigComplexChoice::UpdateComboIndex()
+{
+  auto Get = [this](auto& setting) {
+    if (m_layer != nullptr)
+      return static_cast<OptionVariant>(m_layer->Get(setting));
+
+    return static_cast<OptionVariant>(Config::Get(setting));
+  };
+
+  std::pair<OptionVariant, OptionVariant> values =
+      std::make_pair(std::visit(Get, m_setting1), std::visit(Get, m_setting2));
+
+  auto it = std::find(m_options.begin(), m_options.end(), values);
+  int index = static_cast<int>(std::distance(m_options.begin(), it));
+
+  const QSignalBlocker blocker(this);
+  setCurrentIndex(index);
+}
+
+const std::pair<Config::Location, Config::Location> ConfigComplexChoice::GetLocation() const
+{
+  auto visit = [](auto& v) { return v.GetLocation(); };
+
+  return {std::visit(visit, m_setting1), std::visit(visit, m_setting2)};
+}
+
+void ConfigComplexChoice::mousePressEvent(QMouseEvent* event)
+{
+  if (event->button() == Qt::RightButton && m_layer != nullptr)
+  {
+    auto& location = GetLocation();
+    m_layer->DeleteKey(location.first);
+    m_layer->DeleteKey(location.second);
+    Config::OnConfigChanged();
+  }
+  else
+  {
+    QComboBox::mousePressEvent(event);
+  }
+};