implement automatic applying

src/tuxclocker-qt/MainWindow.cpp

@@ -74,6 +74,10 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {
 	Globals::g_settingsData = Settings::readSettings();
 
 	Utils::setModelAssignableSettings(*model, Globals::g_settingsData.assignableSettings);
+
+	if (Globals::g_settingsData.autoApplyProfile)
+		model->applyChanges();
+
 	Utils::writeAssignableDefaults(*model);
 }
 

src/tuxclocker-qt/widgets/DeviceBrowser.cpp

@@ -62,8 +62,12 @@ DeviceBrowser::DeviceBrowser(DeviceModel &model, QWidget *parent)
 
 			connect(m_settings, &Settings::settingsSaved, [=](auto data) {
 				Globals::g_mainStack->setCurrentWidget(this);
+				// No-op when data.assignableSettings is empty
 				Utils::setModelAssignableSettings(
 				    *Globals::g_deviceModel, data.assignableSettings);
+
+				if (data.autoApplyProfile && data.currentProfile.has_value())
+					m_deviceModel.applyChanges();
 			});
 		}
 		Globals::g_mainStack->setCurrentWidget(m_settings);

src/tuxclocker-qt/widgets/Settings.cpp

@@ -101,7 +101,7 @@ void Settings::setUIState(SettingsData data) {
 SettingsData Settings::fromUIState() {
 	std::optional<QString> currentProfile = std::nullopt;
 
-	if (m_profileView->currentItem()) {
+	if (m_profileView->currentItem() && m_useProfile->isChecked()) {
 		auto data = m_profileView->currentItem()->data(Qt::DisplayRole);
 		if (data.isValid())
 			currentProfile = data.toString();