addressing comments on #77

LIBCWTCH-GO.version

@@ -1 +1 @@
-v0.0.2-24-ga1095b7-2021-05-11-00-13
+v0.0.2-28-gbef54c6-2021-05-11-22-38

lib/views/messageview.dart

@@ -145,6 +145,9 @@ class _MessageViewState extends State<MessageView> {
 
   void placeHolder() => {};
 
+  // explicitly passing BuildContext ctx here is important, change at risk to own health
+  // otherwise some Providers will become inaccessible to subwidgets...?
+  // https://stackoverflow.com/a/63818697
   void _modalSendInvitation(BuildContext ctx) {
     showModalBottomSheet<void>(
         context: ctx,

lib/widgets/DropdownContacts.dart

@@ -3,6 +3,10 @@ import 'package:provider/provider.dart';
 
 import '../model.dart';
 
+// Dropdown menu populated from Provider.of<ProfileInfoState>'s contact list
+// Includes both peers and groups; begins empty/nothing selected
+// Displays nicknames to UI but uses handles as values
+// Pass an onChanged handler to access value
 class DropdownContacts extends StatefulWidget {
   DropdownContacts({this.onChanged,});
   final Function(dynamic) onChanged;

lib/widgets/invitationbubble.dart

@@ -8,6 +8,9 @@ import 'package:intl/intl.dart';
 
 import '../settings.dart';
 
+// Like MessageBubble but for displaying chat overlay 100/101 invitations
+// Offers the user an accept/reject button if they don't have a matching contact already
+// todo: Reject buttons currently aren't tracked and will reset when the message is reloaded
 class InvitationBubble extends StatefulWidget {
   @override
   InvitationBubbleState createState() => InvitationBubbleState();
@@ -43,6 +46,7 @@ class InvitationBubbleState extends State<InvitationBubble> {
     var wdgSender = Center(widthFactor:1, child: SelectableText(senderDisplayStr + '\u202F',
         style: TextStyle(fontSize: 9.0, color: fromMe ? Provider.of<Settings>(context).theme.messageFromMeTextColor() : Provider.of<Settings>(context).theme.messageFromOtherTextColor())));
 
+    // todo: translations
     var messageStr = "";
     if (fromMe) {
       //todo: get group name?