Menu style for setting trust level

src/freedombone-controlpanel-user

@@ -283,34 +283,25 @@ function gpg_set_trust {
     fpr=$(gpg --with-colons --fingerprint "$TRUST_ADDRESS" | grep fpr | head -n 1 | awk -F ':' '{print $10}')
     if [ ${#fpr} -gt 2 ]; then
 
-        data=$(mktemp 2>/dev/null)
-        dialog --backtitle $"Freedombone User Control Panel" \
-               --title $"Trust a PGP/GPG key or website domain" \
-               --radiolist $"Set the trust level for $TRUST_ADDRESS:" 18 70 10 \
-               1 $"I don't know or won't say" off \
-               2 $"I do NOT trust" off \
-               3 $"I trust marginally" on \
-               4 $"I trust fully" off \
-               5 $"I trust ultimately" off 2> "$data"
-        sel=$?
-        case $sel in
-            1) rm -f "$data"
-               return;;
-            255) rm -f "$data"
-                 return;;
-        esac
-        TRUST_LEVEL=$(cat "$data")
-        if [ "${TRUST_LEVEL}" -ge 1 ] ; then
-            if [ "${TRUST_LEVEL}" -le 5 ] ; then
-                if echo -e "trust\\n${TRUST_LEVEL}\\ny\\nsave\\n" | gpg --command-fd 0 --edit-key "$fpr"; then
-                    gpg --update-trustdb
-                    dialog --title $"Trust a PGP/GPG key or website domain" \
-                           --backtitle $"Freedombone User Control Panel" \
-                           --msgbox $"$TRUST_ADDRESS was set to trust level ${TRUST_LEVEL}" 6 50
-                fi
-            fi
+        W=(1 $"I don't know or won't say"
+           2 $"I do NOT trust"
+           3 $"I trust marginally"
+           4 $"I trust fully"
+           5 $"I trust ultimately")
+
+        # shellcheck disable=SC2068
+        TRUST_LEVEL=$(dialog --backtitle $"Freedombone User Control Panel" --title $"Trust a PGP/GPG key or website domain" --menu $"Set the trust level for $TRUST_ADDRESS:" 18 70 10 "${W[@]}" 3>&2 2>&1 1>&3)
+
+        if [ ! "$TRUST_LEVEL" ]; then
+            return;
+        fi
+
+        if echo -e "trust\\n${TRUST_LEVEL}\\ny\\nsave\\n" | gpg --command-fd 0 --edit-key "$fpr"; then
+            gpg --update-trustdb
+            dialog --title $"Trust a PGP/GPG key or website domain" \
+                   --backtitle $"Freedombone User Control Panel" \
+                   --msgbox $"$TRUST_ADDRESS was set to trust level ${TRUST_LEVEL}" 6 50
         fi
-        rm -f "$data"
     fi
 }