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