most settings are saved and restored

QtMeshViewer/Header/SettingsManager.h

@@ -0,0 +1,72 @@
+#pragma once
+#include <QObject>
+#include <QFile>
+#include <QVector3D>
+#include <QVector4D>
+
+
+class SettingsManager : public QObject
+{
+	Q_OBJECT
+
+private:
+	SettingsManager(QObject *parent = Q_NULLPTR);
+
+public:
+	SettingsManager(SettingsManager const&) = delete;
+	void operator=(SettingsManager const&) = delete;
+
+	~SettingsManager();
+
+	static SettingsManager* getInstance(QObject *parent = Q_NULLPTR);
+
+// attributes
+private:
+	QFile file;
+
+	QVector3D m_bgColorOn = { 5, 5, 5 };
+	QVector3D m_bgColorOff = { 128, 204, 255 };
+	bool m_bfCulling = false;
+	bool m_light = false;
+
+	int m_lightType = 1;	// 1 = direct, 2 = point
+	QVector3D m_lightColor = { 255,255,255 };
+	float m_attenuation = 0.0f;
+	float m_ambient = 0.005f;
+	bool m_headlight = false;
+	bool m_autoColor = true;
+
+// functions
+private:
+	void readFromFile();
+	void writeToFile();
+
+public:
+	QVector3D getBgColorOn() const;
+	QVector3D getBgColorOff() const;
+	bool isBfCulling() const;
+	bool isLight() const;
+
+	int getLightType() const;
+	QVector3D getLightColor() const;
+	float getAttenuation() const;
+	float getAmbient() const;
+	bool isHeadlight() const;
+	bool isAutoColor() const;
+
+
+// slots
+public:
+	void setBgColorOn(QVector3D value);
+	void setBgColorOff(QVector3D value);
+	void setBfCulling(bool value);
+	void setLight(bool value);
+
+	void setLightType(int value);
+	void setLightColor(QVector3D value);
+	void setAttenuation(double value);
+	void setAmbient(double value);
+	void setHeadlight(bool value);
+	void setAutoColor(int value);
+
+};