mainny ui improcements

src/ui/mainwindow.h

@@ -16,6 +16,11 @@ class MainWindow : public QMainWindow
 private:
 	std::vector<CvImageViewer*> viewers_;
 
+private slots:
+	void setImageValue(size_t x, size_t y, double value);
+	void saveImage();
+	void openImage();
+
 signals:
 	void sigCapture();
 	void sigProfile(QString profileName);
@@ -30,6 +35,7 @@ public slots:
 	void removeCamera(std::shared_ptr<Camera> camera);
 	bool setProfile(const QString& profileName);
 	QString getProfileName();
+	void statusMsg(QString msg);
 
 public:
 	MainWindow(QWidget *parent = nullptr);