marleyos/home/programs/tmux.nix

{
  pkgs,
  config,
  ...
}:
{
  programs.tmux = {
    enable = true;

    rose-pine = {
      enable = true;
      extraConfig = # tmux
        ''
          set -g @rose_pine_host 'on'
          set -g @rose_pine_directory 'on'
        '';
    };

    terminal = "tmux-256color";

    escapeTime = 0;

    # Start window & pane numbering at 1.
    baseIndex = 1;

    # Vi mode.
    keyMode = "vi";
    customPaneNavigationAndResize = true;
    mouse = true;

    # Auto-spawn a new session when attaching if none exist.
    newSession = true;

    # Key used with Ctrl to make the prefix.
    shortcut = "a";

    plugins = with pkgs.tmuxPlugins; [
      {
        plugin = resurrect;
      }

      {
        plugin = continuum;
        extraConfig = # tmux
          ''
            set -g @continuum-restore 'on'
          '';
      }

      {
        plugin = tilish;
        extraConfig = # tmux
          ''
            # Don't enforce the layout.
            set -g @tilish-enforce 'none'

            set -g @tilish-project "$HOME/hackin"
            set -g @tilish-navigator 'on'
          '';
      }

      {
        plugin = vim-tmux-navigator;
      }

      yank

      {
        plugin = jump;
        extraConfig = # tmux
          ''
            set -g @jump-key 's'
          '';
      }

      {
        plugin = fingers;
        extraConfig = # tmux
          ''
            set -g @fingers-jump-key 'f'
          '';
      }

      {
        plugin = tmux-floax;
        extraConfig = # tmux
          ''
            set -g @floax-bind 'i'
            set -g @floax-text-color 'white'
          '';
      }
    ];

    extraConfig = # tmux
      ''
        # Set repeat timeout so keys can be repeated without the prefix.
        set -g repeat-time 1000

        # Auto-renumber windows when one is deleted.
        set -g renumber-windows 'on'

        set -ag terminal-overrides ",*:RGB"

        set -g status-position 'top'

        ### Keybindings ###

        # Easy reload config.
        bind r source-file ${config.xdg.configHome}/tmux/tmux.conf \; display-message "Reloaded config"

        # Better split commands.
        bind -N 'vsplit' |  split-window -h -c "#{pane_current_path}"
        bind -N 'vsplit' \\ split-window -h -c "#{pane_current_path}"
        bind -N 'hsplit' -  split-window -v -c "#{pane_current_path}"
        unbind '"'
        unbind %

        # Vi-like resizing.
        bind -r -N 'Resize pane (left)'  M-h resize-pane -L 5
        bind -r -N 'Resize pane (down)'  M-j resize-pane -D 5
        bind -r -N 'Resize pane (up)'    M-k resize-pane -U 5
        bind -r -N 'Resize pane (right)' M-l resize-pane -R 5

        # Even out panes.
        bind -N 'Evenly distribute panes' = select-layout -E

        # Swap panes.
        bind -r -N 'Swap current pane with the next'     H swap-pane -U
        bind -r -N 'Swap current pane with the previous' L swap-pane -D

        # Window switching.
        bind -N 'Previous window' Left previous-window
        bind -N 'Next window'     Right next-window

        # Vi copy mode.
        unbind [
        bind -N 'Enter normal (copy) mode' Escape copy-mode

        bind -T copy-mode-vi ? command-prompt -p '?' 'send -X search-backward %1'
        bind -T copy-mode-vi / command-prompt -p '/' 'send -X search-forward %1'
        bind -T copy-mode-vi q send -X cancel
        bind -T copy-mode-vi Escape if-shell -F '#{selection_present}' 'send -X clear-selection' 'send -X cancel'
      '';
  };
}