Qt: save shader settings when OK/Apply clicked

src/platform/qt/SettingsView.cpp

@@ -423,8 +423,11 @@ void SettingsView::setShaderSelector(ShaderSelector* shaderSelector) {
 	}
 	if (!m_shader) {
 		m_ui.stackedWidget->removeWidget(m_dummyShader);
+	} else {
+		QObject::disconnect(m_shader, nullptr, this, nullptr);
 	}
 	m_shader = shaderSelector;
+	QObject::connect(this, &SettingsView::saveSettingsRequested, m_shader, &ShaderSelector::saveSettings);
 	if (shaderSelector) {
 		addPage(tr("Shaders"), m_shader, Page::SHADERS);
 	} else {
@@ -683,6 +686,8 @@ void SettingsView::updateConfig() {
 	saveSetting("gb.colors", gbColors);
 #endif
 
+	emit saveSettingsRequested();
+
 	m_controller->write();
 
 	emit pathsChanged();

src/platform/qt/SettingsView.h

@@ -61,6 +61,7 @@ signals:
 	void pathsChanged();
 	void languageChanged();
 	void libraryCleared();
+	void saveSettingsRequested();
 
 public slots:
 	void selectPage(Page);

src/platform/qt/ShaderSelector.cpp

@@ -49,6 +49,10 @@ ShaderSelector::~ShaderSelector() {
 	clear();
 }
 
+void ShaderSelector::saveSettings() {
+	emit saved();
+}
+
 void ShaderSelector::clear() {
 	m_ui.shaderName->setText(tr("No shader active"));
 	m_ui.description->clear();
@@ -269,10 +273,6 @@ void ShaderSelector::buttonPressed(QAbstractButton* button) {
 	case QDialogButtonBox::Reset:
 		emit reset();
 		break;
-	case QDialogButtonBox::Ok:
-		emit saved();
-		close();
-		break;
  	case QDialogButtonBox::RestoreDefaults:
 		emit resetToDefault();
 		break;

src/platform/qt/ShaderSelector.h

@@ -28,6 +28,7 @@ public:
 	~ShaderSelector();
 
 public slots:
+	void saveSettings();
 	void refreshShaders();
 	void clear();