Add infrastructure for Qt settings window

include/panda_qt/config_window.hpp

@@ -1,16 +1,23 @@
 #pragma once
 
 #include <QApplication>
+#include <QCheckBox>
 #include <QComboBox>
 #include <QDialog>
 #include <QPalette>
 #include <QWidget>
 #include <QtWidgets>
+#include <functional>
+#include <utility>
+
+#include "config.hpp"
 
 class ConfigWindow : public QDialog {
 	Q_OBJECT
 
   private:
+	using ConfigCallback = std::function<void()>;
+
 	enum class Theme : int {
 		System = 0,
 		Light = 1,
@@ -21,9 +28,15 @@ class ConfigWindow : public QDialog {
 	Theme currentTheme;
 	QComboBox* themeSelect = nullptr;
 
+	// The config class holds a copy of the emulator config which it edits and sends
+	// over to the emulator
+	EmulatorConfig config;
+	ConfigCallback updateConfig;
 	void setTheme(Theme theme);
 
   public:
-	ConfigWindow(QWidget* parent = nullptr);
+	ConfigWindow(ConfigCallback callback, const EmulatorConfig& config, QWidget* parent = nullptr);
 	~ConfigWindow();
+
+	EmulatorConfig& getConfig() { return config; }
 };

include/panda_qt/main_window.hpp

@@ -44,6 +44,7 @@ class MainWindow : public QMainWindow {
 		EditCheat,
 		PressTouchscreen,
 		ReleaseTouchscreen,
+		UpdateConfig
 	};
 
 	// Tagged union representing our message queue messages

src/panda_qt/config_window.cpp

@@ -1,7 +1,8 @@
 #include "panda_qt/config_window.hpp"
 
-ConfigWindow::ConfigWindow(QWidget* parent) : QDialog(parent) {
+ConfigWindow::ConfigWindow(ConfigCallback callback, const EmulatorConfig& emuConfig, QWidget* parent) : QDialog(parent), config(emuConfig) {
 	setWindowTitle(tr("Configuration"));
+	updateConfig = std::move(callback);
 
 	// Set up theme selection
 	setTheme(Theme::Dark);
@@ -15,6 +16,14 @@ ConfigWindow::ConfigWindow(QWidget* parent) : QDialog(parent) {
 	themeSelect->setGeometry(40, 40, 100, 50);
 	themeSelect->show();
 	connect(themeSelect, &QComboBox::currentIndexChanged, this, [&](int index) { setTheme(static_cast<Theme>(index)); });
+
+	QCheckBox* useShaderJIT = new QCheckBox(tr("Enable Shader recompiler"), this);
+	useShaderJIT->setChecked(config.shaderJitEnabled);
+
+	connect(useShaderJIT, &QCheckBox::toggled, this, [this, useShaderJIT]() {
+		config.shaderJitEnabled = useShaderJIT->isChecked();
+		updateConfig();
+	});
 }
 
 void ConfigWindow::setTheme(Theme theme) {

src/panda_qt/main_window.cpp

@@ -64,7 +64,14 @@ MainWindow::MainWindow(QApplication* app, QWidget* parent) : QMainWindow(parent)
 
 	// Set up misc objects
 	aboutWindow = new AboutWindow(nullptr);
-	configWindow = new ConfigWindow(this);
+	configWindow = new ConfigWindow(
+		[&]() {
+			EmulatorMessage message{.type = MessageType::UpdateConfig};
+			sendMessage(message);
+		},
+		emu->getConfig(), this
+	);
+
 	cheatsEditor = new CheatsWindow(emu, {}, this);
 	luaEditor = new TextEditorWindow(this, "script.lua", "");
 
@@ -282,6 +289,7 @@ void MainWindow::dispatchMessage(const EmulatorMessage& message) {
 			emu->getServiceManager().getHID().setTouchScreenPress(message.touchscreen.x, message.touchscreen.y);
 			break;
 		case MessageType::ReleaseTouchscreen: emu->getServiceManager().getHID().releaseTouchScreen(); break;
+		case MessageType::UpdateConfig: emu->getConfig() = configWindow->getConfig(); break;
 	}
 }