Support displaying and editing room descriptions (#12)

src/base.rs

@@ -59,9 +59,22 @@ pub enum VerifyAction {
     Mismatch,
 }
 
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum SetRoomField {
+    Name(String),
+    Topic(String),
+}
+
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub enum RoomAction {
     Members(Box<CommandContext<ProgramContext>>),
+    Set(SetRoomField),
+}
+
+impl From<SetRoomField> for RoomAction {
+    fn from(act: SetRoomField) -> Self {
+        RoomAction::Set(act)
+    }
 }
 
 #[derive(Clone, Debug, Eq, PartialEq)]
@@ -73,6 +86,12 @@ pub enum IambAction {
     ToggleScrollbackFocus,
 }
 
+impl From<RoomAction> for IambAction {
+    fn from(act: RoomAction) -> Self {
+        IambAction::Room(act)
+    }
+}
+
 impl ApplicationAction for IambAction {
     fn is_edit_sequence<C: EditContext>(&self, _: &C) -> SequenceStatus {
         match self {