Add key bindings to move to parent/root message

CHANGELOG.md

@@ -25,6 +25,7 @@ Procedure when bumping the version number:
 - `euph.rooms.<name>.password` config option
 - Key binding to change rooms sort order
 - Key bindings to connect to/disconnect from all rooms
+- Key bindings to move to parent/root message
 
 ### Changed
 - Some key bindings in the rooms list

src/ui/chat/tree.rs

@@ -69,6 +69,7 @@ impl<M: Msg, S: MsgStore<M>> InnerTreeViewState<M, S> {
     pub fn list_movement_key_bindings(&self, bindings: &mut KeyBindingsList) {
         bindings.binding("j/k, ↓/↑", "move cursor up/down");
         bindings.binding("J/K, ctrl+↓/↑", "move cursor to prev/next sibling");
+        bindings.binding("p/P", "move cursor to parent/root");
         bindings.binding("h/l, ←/→", "move cursor chronologically");
         bindings.binding("H/L, ctrl+←/→", "move cursor to prev/next unseen message");
         bindings.binding("g, home", "move cursor to top");
@@ -87,6 +88,8 @@ impl<M: Msg, S: MsgStore<M>> InnerTreeViewState<M, S> {
             key!('j') | key!(Down) => self.move_cursor_down().await,
             key!('K') | key!(Ctrl + Up) => self.move_cursor_up_sibling().await,
             key!('J') | key!(Ctrl + Down) => self.move_cursor_down_sibling().await,
+            key!('p') => self.move_cursor_to_parent().await,
+            key!('P') => self.move_cursor_to_root().await,
             key!('h') | key!(Left) => self.move_cursor_older().await,
             key!('l') | key!(Right) => self.move_cursor_newer().await,
             key!('H') | key!(Ctrl + Left) => self.move_cursor_older_unseen().await,

src/ui/chat/tree/cursor.rs

@@ -288,6 +288,41 @@ impl<M: Msg, S: MsgStore<M>> InnerTreeViewState<M, S> {
         self.correction = Some(Correction::MakeCursorVisible);
     }
 
+    pub async fn move_cursor_to_parent(&mut self) {
+        match &mut self.cursor {
+            Cursor::Pseudo {
+                parent: Some(parent),
+                ..
+            } => self.cursor = Cursor::Msg(parent.clone()),
+            Cursor::Msg(id) => {
+                // Could also be done via retrieving the path, but it doesn't
+                // really matter here
+                let tree = self.store.tree(id).await;
+                Self::find_parent(&tree, id);
+            }
+            _ => {}
+        }
+        self.correction = Some(Correction::MakeCursorVisible);
+    }
+
+    pub async fn move_cursor_to_root(&mut self) {
+        match &mut self.cursor {
+            Cursor::Pseudo {
+                parent: Some(parent),
+                ..
+            } => {
+                let path = self.store.path(parent).await;
+                self.cursor = Cursor::Msg(path.first().clone());
+            }
+            Cursor::Msg(msg) => {
+                let path = self.store.path(msg).await;
+                *msg = path.first().clone();
+            }
+            _ => {}
+        }
+        self.correction = Some(Correction::MakeCursorVisible);
+    }
+
     pub async fn move_cursor_older(&mut self) {
         match &mut self.cursor {
             Cursor::Msg(id) => {