- we prefer hyphens in property names to underscores

- save /sim/multiplayer/chat-display to autosave.xml
- remove trailing spaces

Nasal/multiplayer.nas

@@ -46,7 +46,7 @@ echo_message = func(msg, callsign)
      msg = callsign ~ ": " ~ msg;
    }
 
-   var ldisplay = getprop("/sim/multiplay/chat_display");
+   var ldisplay = getprop("/sim/multiplay/chat-display");
 
    if ((ldisplay != nil) and (ldisplay == "1"))
    {
@@ -55,11 +55,11 @@ echo_message = func(msg, callsign)
    }
 
    # Add the chat to the chat history.
-   var lchat = getprop("/sim/multiplay/chat_history");
+   var lchat = getprop("/sim/multiplay/chat-history");
 
    if (lchat == nil)
    {
-     setprop("/sim/multiplay/chat_history", msg);
+     setprop("/sim/multiplay/chat-history", msg);
    }
    else
    {
@@ -68,7 +68,7 @@ echo_message = func(msg, callsign)
        lchat = lchat ~ "\n";
      }
 
-     setprop("/sim/multiplay/chat_history", lchat ~ msg);
+     setprop("/sim/multiplay/chat-history", lchat ~ msg);
    }
 }
 

gui/dialogs/chat.xml

@@ -14,7 +14,7 @@
      <stretch>true</stretch>
      <halign>fill</halign>
      <length>50</length>
-     <property>/sim/multiplay/chat_compose</property>
+     <property>/sim/multiplay/chat-compose</property>
     </input>   
 
     <button>
@@ -27,11 +27,11 @@
       <binding>
         <command>nasal</command>
         <script>
-          var lchat = getprop("/sim/multiplay/chat_compose");
+          var lchat = getprop("/sim/multiplay/chat-compose");
           if (lchat != "")
           {
             setprop("/sim/multiplay/chat", lchat);
-            setprop("/sim/multiplay/chat_compose", "");
+            setprop("/sim/multiplay/chat-compose", "");
             fgcommand("dialog-update", props.Node.new({"object-name": "compose",
                                                        "dialog-name": "chat"}));
            }
@@ -59,7 +59,7 @@
       <default>false</default>
       <binding>
        <command>dialog-show</command>
-       <dialog-name>chat_full</dialog-name>
+       <dialog-name>chat-full</dialog-name>
       </binding>
       <binding>
         <command>dialog-close</command>

gui/dialogs/chat_full.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 
 <PropertyList>
-  <name>chat_full</name>
+  <name>chat-full</name>
   <modal>false</modal>
   <layout>vbox</layout>
 
@@ -19,7 +19,7 @@
     <live>true</live>
     <wrap>true</wrap>
     <editable>false</editable>
-    <property>/sim/multiplay/chat_history</property>
+    <property>/sim/multiplay/chat-history</property>
   </textbox>
 
   <text>
@@ -35,7 +35,7 @@
      <halign>fill</halign>
      <length>50</length>
      <pref-width>500</pref-width>  
-     <property>/sim/multiplay/chat_compose</property>
+     <property>/sim/multiplay/chat-compose</property>
     </input>   
 
     <button>
@@ -48,13 +48,13 @@
       <binding>
         <command>nasal</command>
         <script>
-          var lchat = getprop("/sim/multiplay/chat_compose");
+          var lchat = getprop("/sim/multiplay/chat-compose");
           if (lchat != "")
           {
             setprop("/sim/multiplay/chat", lchat);
-            setprop("/sim/multiplay/chat_compose", "");
+            setprop("/sim/multiplay/chat-compose", "");
             fgcommand("dialog-update", props.Node.new({"object-name": "compose",
-                                                       "dialog-name": "chat_full"}));
+                                                       "dialog-name": "chat-full"}));
           }          
         </script>
       </binding>

gui/dialogs/rendering.xml

@@ -27,7 +27,7 @@
     <checkbox>
       <halign>left</halign>
       <label>Show chat messages</label>
-      <property>/sim/multiplay/chat_display</property>
+      <property>/sim/multiplay/chat-display</property>
       <binding>
         <command>dialog-apply</command>
       </binding>

preferences.xml

@@ -464,6 +464,7 @@ Started September 2000 by David Megginson, david@megginson.com
   <multiplay>
    <chat type="string">Hello</chat>
    <transmission-freq-hz type="string">118500000</transmission-freq-hz>
+   <chat-display type="bool" userarchive="y">true</chat-display>
   </multiplay>
 
   <user>