combobox size fixed

src/ui/view/GUI.java

@@ -1399,6 +1399,7 @@ public class GUI<E> implements CategoryListener {
 				fileChooser.setAcceptAllFileFilterUsed(false);
 
 				if (fileChooser.showOpenDialog(test) == JFileChooser.APPROVE_OPTION) {
+					comboBoxAlgo.removeAllItems();
 					File[] files = fileChooser.getSelectedFile().listFiles();
 					for (int i = 0; i < files.length; i++) {
 						if (files[i].toString().endsWith(".java") || files[i].toString().endsWith(".class")) {
@@ -1461,6 +1462,10 @@ public class GUI<E> implements CategoryListener {
 
 		mnSimulationSpeed.add(btnApply);
 		menuBar.add(comboBoxAlgo);
+
+		Dimension height = comboBoxAlgo.getPreferredSize();
+		comboBoxAlgo.setPreferredSize(new Dimension(200, (int) height.getHeight()));
+		comboBoxAlgo.setMaximumSize(comboBoxAlgo.getPreferredSize());
 	}
 
 	/*