X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosui%2FAltosFreqList.java;h=039b5f220277c35914ca5961552e276dd4668a2e;hb=9001d5780a41986017bd3bbc7f8c5556b116c351;hp=917ac364b7a09a8925e575172179fc1d641085c2;hpb=5b976a6651f4eb05d30afc08b9e1f27c7e52ae00;p=fw%2Faltos

diff --git a/altosui/AltosFreqList.java b/altosui/AltosFreqList.java
index 917ac364..039b5f22 100644
--- a/altosui/AltosFreqList.java
+++ b/altosui/AltosFreqList.java
@@ -18,7 +18,7 @@
 package altosui;
 
 import javax.swing.*;
-import org.altusmetrum.altoslib_2.*;
+import org.altusmetrum.altoslib_3.*;
 import org.altusmetrum.altosuilib_1.*;
 
 public class AltosFreqList extends JComboBox {
@@ -29,6 +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);