[tui] Add ComponentOf trait.

I think it will help with fetching a component by type from the
Components vector attached to App?

src/tui/logger.rs

@@ -1,76 +0,0 @@
-use crate::tui::component::{Action, Component};
-use ratatui::buffer::Buffer;
-use ratatui::crossterm::event::{Event, KeyCode, KeyEvent};
-use ratatui::layout::Rect;
-use ratatui::style::{Color, Style};
-use ratatui::widgets::Widget;
-use tui_logger::{TuiLoggerLevelOutput, TuiLoggerSmartWidget, TuiWidgetEvent, TuiWidgetState};
-
-/// Any log written as info!(target:self.id(), "message") will work with this logger.
-/// The logger is bound to info!, debug!, error!, trace! macros within Tui::new().
-pub struct Logger {
-    state: TuiWidgetState,
-}
-
-impl Logger {
-    pub fn new() -> Self {
-        Self {
-            state: TuiWidgetState::new(),
-        }
-    }
-}
-
-impl Widget for &Logger {
-    fn render(self, area: Rect, buf: &mut Buffer)
-    where
-        Self: Sized,
-    {
-        // TODO: Use output_file?
-        TuiLoggerSmartWidget::default()
-            .style_error(Style::default().fg(Color::Red))
-            .style_debug(Style::default().fg(Color::Green))
-            .style_warn(Style::default().fg(Color::Yellow))
-            .style_trace(Style::default().fg(Color::Magenta))
-            .style_info(Style::default().fg(Color::Cyan))
-            .output_separator(':')
-            .output_timestamp(Some("%H:%M:%S".to_string()))
-            .output_level(Some(TuiLoggerLevelOutput::Abbreviated))
-            .output_target(true)
-            .output_file(true)
-            .output_line(true)
-            .state(&self.state)
-            .render(area, buf);
-    }
-}
-
-impl Component for Logger {
-    fn id(&self) -> &str {
-        "Logger"
-    }
-
-    fn handle_event(&mut self, event: Event) -> anyhow::Result<Action> {
-        if let Some(key_event) = event.as_key_event() {
-            return self.handle_key_events(key_event);
-        }
-        Ok(Action::Noop)
-    }
-
-    fn handle_key_events(&mut self, key: KeyEvent) -> anyhow::Result<Action> {
-        match key.code {
-            KeyCode::Char(' ') => self.state.transition(TuiWidgetEvent::SpaceKey),
-            KeyCode::Esc => self.state.transition(TuiWidgetEvent::EscapeKey),
-            KeyCode::PageUp => self.state.transition(TuiWidgetEvent::PrevPageKey),
-            KeyCode::PageDown => self.state.transition(TuiWidgetEvent::NextPageKey),
-            KeyCode::Up => self.state.transition(TuiWidgetEvent::UpKey),
-            KeyCode::Down => self.state.transition(TuiWidgetEvent::DownKey),
-            KeyCode::Left => self.state.transition(TuiWidgetEvent::LeftKey),
-            KeyCode::Right => self.state.transition(TuiWidgetEvent::RightKey),
-            KeyCode::Char('+') => self.state.transition(TuiWidgetEvent::PlusKey),
-            KeyCode::Char('-') => self.state.transition(TuiWidgetEvent::MinusKey),
-            KeyCode::Char('h') => self.state.transition(TuiWidgetEvent::HideKey),
-            KeyCode::Char('f') => self.state.transition(TuiWidgetEvent::FocusKey),
-            _ => (),
-        }
-        Ok(Action::Pass)
-    }
-}