Hook up TreeView to Chat

cove-tui/src/chat/tree.rs

@@ -0,0 +1,37 @@
+use crossterm::event::KeyEvent;
+use crossterm::style::ContentStyle;
+use toss::frame::{Frame, Pos, Size};
+
+use crate::traits::{Msg, MsgStore};
+
+pub struct TreeView {}
+
+impl TreeView {
+    pub fn new() -> Self {
+        Self {}
+    }
+
+    pub fn handle_key_event<M, S>(
+        &mut self,
+        store: &mut S,
+        cursor: &mut Option<M::Id>,
+        event: KeyEvent,
+        size: Size,
+    ) where
+        M: Msg,
+        S: MsgStore<M>,
+    {
+        // TODO
+    }
+
+    pub fn render<M: Msg, S: MsgStore<M>>(
+        &mut self,
+        store: &mut S,
+        frame: &mut Frame,
+        pos: Pos,
+        size: Size,
+    ) {
+        // TODO
+        frame.write(Pos::new(0, 0), "Hello world!", ContentStyle::default());
+    }
+}