X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosui%2FAltosFreqList.java;h=039b5f220277c35914ca5961552e276dd4668a2e;hb=95f5a6ef52947088993d395874cf6aa502fd2503;hp=1bbc97c6ce36d7b582b225c13d0a516e56015646;hpb=3c2f601139d36761de6a8a2210545d082ef16133;p=fw%2Faltos

diff --git a/altosui/AltosFreqList.java b/altosui/AltosFreqList.java
index 1bbc97c6..039b5f22 100644
--- a/altosui/AltosFreqList.java
+++ b/altosui/AltosFreqList.java
@@ -17,17 +17,9 @@
 
 package altosui;
 
-import java.awt.*;
-import java.awt.event.*;
 import javax.swing.*;
-import javax.swing.filechooser.FileNameExtensionFilter;
-import javax.swing.table.*;
-import java.io.*;
-import java.util.*;
-import java.text.*;
-import java.util.prefs.*;
-import java.util.concurrent.LinkedBlockingQueue;
-import org.altusmetrum.AltosLib.*;
+import org.altusmetrum.altoslib_3.*;
+import org.altusmetrum.altosuilib_1.*;
 
 public class AltosFreqList extends JComboBox {
 
@@ -37,6 +29,12 @@ public class AltosFreqList extends JComboBox {
 
 	public void set_frequency(double new_frequency) {
 		int i;
+
+		if (new_frequency < 0) {
+			setVisible(false);
+			return;
+		}
+
 		for (i = 0; i < getItemCount(); i++) {
 			AltosFrequency	f = (AltosFrequency) getItemAt(i);