Function BindWidgetToFolderSetting

pcsx2-qt/SettingWidgetBinder.h:1163–1263

	}

	static inline void BindWidgetToFolderSetting(SettingsInterface* sif, QLineEdit* widget, QAbstractButton* browse_button,
		QAbstractButton* open_button, QAbstractButton* reset_button, std::string section, std::string key, std::string default_value,
		bool use_relative = true)
	{
		using Accessor = SettingAccessor<QLineEdit>;

		std::string current_path(Host::GetBaseStringSettingValue(section.c_str(), key.c_str(), default_value.c_str()));
		if (current_path.empty())
			current_path = default_value;
		else if (use_relative && !Path::IsAbsolute(current_path))
			current_path = Path::Canonicalize(Path::Combine(EmuFolders::DataRoot, current_path));

		const QString value(QString::fromStdString(current_path));
		Accessor::setStringValue(widget, value);

		// if we're doing per-game settings, disable the widget, we only allow folder changes in the base config
		if (sif)
		{
			widget->setEnabled(false);
			if (browse_button)
				browse_button->setEnabled(false);
			if (reset_button)
				reset_button->setEnabled(false);
			return;
		}


		auto value_changed = [widget, section = std::move(section), key = std::move(key), default_value, use_relative]() {
			const std::string new_value(widget->text().toStdString());
			if (!new_value.empty())
			{
				if (FileSystem::DirectoryExists(new_value.c_str()) ||
					QMessageBox::question(QtUtils::GetRootWidget(widget), qApp->translate("SettingWidgetBinder", "Confirm Folder"),
						qApp->translate("SettingWidgetBinder",
								"The chosen directory does not currently exist:\n\n%1\n\nDo you want to create this directory?")
							.arg(QString::fromStdString(new_value)),
						QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes)
				{
					if (use_relative)
					{
						const std::string relative_path(Path::MakeRelative(new_value, EmuFolders::DataRoot));
						Host::SetBaseStringSettingValue(section.c_str(), key.c_str(), relative_path.c_str());
					}
					else
					{
						Host::SetBaseStringSettingValue(section.c_str(), key.c_str(), new_value.c_str());
					}

					Host::CommitBaseSettingChanges();
					g_emu_thread->updateEmuFolders();
					return;
				}
			}
			else
			{
				QMessageBox::critical(QtUtils::GetRootWidget(widget), qApp->translate("SettingWidgetBinder", "Error"),
					qApp->translate("SettingWidgetBinder", "Folder path cannot be empty."));
			}