[tui] Use anyhow::bail!() macro.

src/tui/app.rs

@@ -1,7 +1,7 @@
 use crate::tui::component::{Action, Component};
 use crate::tui::editor::Editor;
 use crate::tui::explorer::Explorer;
-use anyhow::{Context, Result, anyhow};
+use anyhow::{Context, Result, anyhow, bail};
 use ratatui::buffer::Buffer;
 use ratatui::crossterm::event;
 use ratatui::crossterm::event::{Event, KeyCode, KeyEvent, KeyEventKind, KeyModifiers};
@@ -46,7 +46,7 @@ impl<'a> App<'a> {
                 return Ok(explorer);
             }
         }
-        Err(anyhow::anyhow!("Failed to find project explorer widget."))
+        bail!("Failed to find project explorer widget.")
     }
 
     fn get_explorer_mut(&mut self) -> Result<&mut Explorer<'a>> {
@@ -55,7 +55,7 @@ impl<'a> App<'a> {
                 return Ok(explorer);
             }
         }
-        Err(anyhow::anyhow!("Failed to find project explorer widget."))
+        bail!("Failed to find project explorer widget.")
     }
 
     fn get_editor(&self) -> Option<&Editor> {
@@ -95,7 +95,7 @@ impl<'a> App<'a> {
                     Action::Quit => break,
                     Action::Handled => {}
                     _ => {
-                        // anyhow::anyhow!("Unhandled event: {:?}", event);
+                        // bail!("Unhandled event: {:?}", event);
                     }
                 }
             }
@@ -165,7 +165,7 @@ impl<'a> App<'a> {
             }
             return editor.set_contents(&selected_pathbuf);
         }
-        Err(anyhow!("Failed to refresh editor contents"))
+        bail!("Failed to refresh editor contents")
     }
 }
 
@@ -203,7 +203,11 @@ impl<'a> Widget for &mut App<'a> {
         self.draw_status(vertical[0], buf);
         self.draw_terminal(vertical[2], buf);
         if let Ok(explorer) = self.get_explorer_mut() {
-            explorer.render(horizontal[0], buf);
+            // TODO: What to do about errors during rendering?
+            // Once there is a debug console, maybe log it and discard? Panic isn't great.
+            explorer
+                .render(horizontal[0], buf)
+                .expect("Failed to render Explorer");
         }
         self.draw_tabs(editor_layout[0], buf);
         self.get_editor_mut().unwrap().render(editor_layout[1], buf);

src/tui/editor.rs

@@ -1,6 +1,6 @@
 use crate::tui::component::{Action, Component};
 
-use anyhow::{Context, Result};
+use anyhow::{bail, Context, Result};
 use edtui::{
     EditorEventHandler, EditorState, EditorTheme, EditorView, LineNumbers, Lines, SyntaxHighlighter,
 };
@@ -48,7 +48,7 @@ impl Editor {
         if let Some(path) = &self.file_path {
             return std::fs::write(path, self.state.lines.to_string()).map_err(|e| e.into());
         };
-        Err(anyhow::anyhow!("File not saved. No file path set."))
+        bail!("File not saved. No file path set.")
     }
 }
 

src/tui/explorer.rs

@@ -1,5 +1,5 @@
 use crate::tui::component::{Action, Component};
-use anyhow::{Context, Result};
+use anyhow::{bail, Context, Result};
 use ratatui::buffer::Buffer;
 use ratatui::crossterm::event::{Event, KeyCode, KeyEvent, MouseEvent, MouseEventKind};
 use ratatui::layout::{Alignment, Position, Rect};
@@ -107,7 +107,7 @@ impl<'a> Explorer<'a> {
         if let Some(path) = self.tree_state.selected().last() {
             return Ok(std::path::absolute(path)?.to_str().unwrap().to_string());
         }
-        Err(anyhow::anyhow!("Failed to get selected TreeItem"))
+        bail!("Failed to get selected TreeItem")
     }
 }