[tui] Implement Widget for Explorer and MenuBar.

src/tui/app.rs

@@ -199,10 +199,7 @@ impl<'a> Widget for &mut App<'a> {
         self.draw_tabs(editor_layout[0], buf);
         let id = App::id().to_string();
         self.editor.render(editor_layout[1], buf);
-        self.explorer
+        self.explorer.render(horizontal[0], buf);
-            .render(horizontal[0], buf)
-            .context("Failed to render Explorer")
-            .unwrap_or_else(|e| error!(target:id.as_str(), "{}", e));
         self.logger.render(vertical[2], buf);
 
         // The title bar is rendered last to overlay any popups created for drop-down menus.

src/tui/explorer.rs

@@ -5,7 +5,7 @@ use ratatui::crossterm::event::{Event, KeyCode, KeyEvent, MouseEvent, MouseEvent
 use ratatui::layout::{Alignment, Position, Rect};
 use ratatui::prelude::Style;
 use ratatui::style::{Color, Modifier};
-use ratatui::widgets::{Block, Borders, StatefulWidget};
+use ratatui::widgets::{Block, Borders, StatefulWidget, Widget};
 use std::fs;
 use std::path::PathBuf;
 use tui_tree_widget::{Tree, TreeItem, TreeState};
@@ -82,36 +82,6 @@ impl<'a> Explorer<'a> {
         .context("Failed to build tree from path.")
     }
 
-    pub fn render(&mut self, area: Rect, buf: &mut Buffer) -> Result<()> {
-        StatefulWidget::render(
-            Tree::new(&self.tree_items.children())
-                .context("Failed to build file Explorer Tree.")?
-                .style(Style::default())
-                .block(
-                    Block::default()
-                        .borders(Borders::ALL)
-                        .title(
-                            self.root_path
-                                .file_name()
-                                .context("Failed to get file name from path.")?
-                                .to_string_lossy(),
-                        )
-                        .title_style(Style::default().fg(Color::Green))
-                        .title_alignment(Alignment::Center),
-                )
-                .highlight_style(
-                    Style::new()
-                        .fg(Color::Black)
-                        .bg(Color::Rgb(57, 59, 64))
-                        .add_modifier(Modifier::BOLD),
-                ),
-            area,
-            buf,
-            &mut self.tree_state,
-        );
-        Ok(())
-    }
-
     pub fn selected(&self) -> Result<String> {
         if let Some(path) = self.tree_state.selected().last() {
             return Ok(std::path::absolute(path)?
@@ -123,6 +93,33 @@ impl<'a> Explorer<'a> {
     }
 }
 
+impl<'a> Widget for &mut Explorer<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer) {
+        if let Ok(tree) = Tree::new(&self.tree_items.children()) {
+            let file_name = self.root_path.file_name().unwrap_or("Unknown".as_ref());
+            StatefulWidget::render(
+                tree.style(Style::default())
+                    .block(
+                        Block::default()
+                            .borders(Borders::ALL)
+                            .title(file_name.to_string_lossy())
+                            .title_style(Style::default().fg(Color::Green))
+                            .title_alignment(Alignment::Center),
+                    )
+                    .highlight_style(
+                        Style::new()
+                            .fg(Color::Black)
+                            .bg(Color::Rgb(57, 59, 64))
+                            .add_modifier(Modifier::BOLD),
+                    ),
+                area,
+                buf,
+                &mut self.tree_state,
+            );
+        }
+    }
+}
+
 impl<'a> Component for Explorer<'a> {
     fn handle_event(&mut self, event: Event) -> Result<Action> {
         if let Some(key_event) = event.as_key_event() {

src/tui/title_bar.rs

@@ -144,8 +144,10 @@ impl MenuBar {
             height,
         }
     }
+}
 
-    pub fn render(&mut self, area: Rect, buf: &mut Buffer)
+impl Widget for &mut MenuBar {
+    fn render(self, area: Rect, buf: &mut Buffer)
     where
         Self: Sized,
     {