Method handle_normal_input

crates/learnerd/src/tui/state.rs:351–393

Handles input during normal operation (no dialog active). Supports: - Vim-style navigation (h,j,k,l) - Arrow key navigation - Pane switching - PDF opening - Quit command

(&mut self, key: KeyCode)

  /// - PDF opening
  /// - Quit command
  fn handle_normal_input(&mut self, key: KeyCode) -> bool {
    match key {
      KeyCode::Char('q') => {
        self.dialog = DialogType::ExitConfirm;
        self.needs_redraw = true;
        false
      },
      // Pane switching
      KeyCode::Left | KeyCode::Char('h') => {
        if self.focused_pane == FocusedPane::Details {
          self.focused_pane = FocusedPane::List;
          self.needs_redraw = true;
        }
        false
      },
      KeyCode::Right | KeyCode::Char('l') => {
        if self.focused_pane == FocusedPane::List {
          self.focused_pane = FocusedPane::Details;
          self.needs_redraw = true;
        }
        false
      },
      // Navigation
      KeyCode::Up | KeyCode::Char('k') => {
        self.handle_up_navigation();
        false
      },
      KeyCode::Down | KeyCode::Char('j') => {
        self.handle_down_navigation();
        false
      },
      KeyCode::Char('o') => {
        self.handle_open_pdf();
        false
      },
      KeyCode::Char(':') => {
        self.dialog = DialogType::CommandInput;
        self.needs_redraw = true;
        false
      },
      _ => false,
    }
  }

  /// Handles upward navigation in both list and details views.
  fn handle_up_navigation(&mut self) {