using signal slot to update the combobox entries

QtMeshViewer/Header/MainWindow.h

@@ -31,7 +31,6 @@ private:
 // functions
 private:
 	void setupWidgets();
-	void setupAssetLibrary();
 	void updateAssetTree(QString);
 	void openFileDialog();
 	void openFile(QString);
@@ -46,12 +45,13 @@ public slots:
 	void printMessage(QString message, int severity);
 	void setFileInfo(QString name, QVector<Material>* materials, int vertices, int triangle);
 
+// private slots
+private slots:
+	void setupAssetLibrary();
+	void on_fileListWidget_doubleClicked(const QModelIndex &index);
+	void on_dirDropDownList_currentTextChanged(const QString &arg1);
+
 // signals
 signals:
 	void loadFile(QString);
-
-// private slots
-private slots:
-	void on_fileListWidget_doubleClicked(const QModelIndex &index);
-	void on_dirDropDownList_currentTextChanged(const QString &arg1);
 };

QtMeshViewer/Header/SettingsManager.h

@@ -72,4 +72,8 @@ public:
 	void setAutoColor(int value);
 
 	void updateDirectories(QString path);
+
+// signals
+signals:
+	void dirsChanged();
 };