131 lines
5.7 KiB
Nix
131 lines
5.7 KiB
Nix
{ config, pkgs, inputs, ... }:
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let
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# Powerline separators, U+E0B0..U+E0B3.
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#
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# Written as escapes rather than literal glyphs. These are Private Use Area
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# codepoints: they render only with a patched font, they survive copy/paste
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# badly, and when they get stripped the loss is invisible -- the config still
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# parses, the status bar just quietly loses its separators. Nix has no \u
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# escape of its own, but fromJSON does.
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sep = builtins.fromJSON ''
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{
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"right": "\ue0b0",
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"rightThin": "\ue0b1",
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"left": "\ue0b2",
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"leftThin": "\ue0b3"
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}
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'';
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in
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{
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programs.tmux = {
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enable = true;
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prefix = "C-a";
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keyMode = "vi";
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mouse = true;
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# tmux-256color gives truecolor, italics and undercurl in nvim.
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# screen-256color has none of them. No terminfo gymnastics needed here --
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# unlike macOS, NixOS ships a current ncurses that has the entry.
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terminal = "tmux-256color";
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# Default is 500ms. That is the lag you feel leaving insert mode in nvim,
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# because tmux is waiting to see whether Esc starts an escape sequence.
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escapeTime = 10;
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# nvim autoread / :checktime react to focus. home-manager defaults to false.
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focusEvents = true;
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# Default is 2000.
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historyLimit = 50000;
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# Window numbers matching the number row. Behaviour change, so opt in.
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# baseIndex = 1;
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extraConfig = ''
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# Status keys
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set -g status-keys vi
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# Tell tmux the outer terminal can do 24-bit colour (tmux >= 3.2).
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set -sa terminal-features ",*:RGB"
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# --- Shift+Enter / extended keys -----------------------------------
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# Still the open topic; uncommenting these makes tmux forward CSI-u
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# sequences unconditionally. Needs tmux >= 3.5 for the format option,
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# and a `tmux kill-server` afterwards -- a config reload is not enough.
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#set -s extended-keys always
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#set -s extended-keys-format csi-u
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#set -as terminal-features '*:extkeys'
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# Status bar options
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set -g status-interval 5 # was 1; the clock only has minute resolution
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set -g status-justify left
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# Clock mode
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setw -g clock-mode-colour cyan
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# Colors
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set -g status-bg black
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set -g status-fg white
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# Key bindings
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# Reload configuration. tmux.conf is a read-only symlink into the nix
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# store, so this only picks up changes after `home-manager switch`.
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bind r source-file ~/.config/tmux/tmux.conf \; display-message "tmux.conf reloaded"
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# Panel split and selection -- new panes/windows inherit the cwd
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unbind %
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unbind '"'
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bind v split-window -v -c "#{pane_current_path}"
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bind c split-window -h -c "#{pane_current_path}"
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bind i new-window -c "#{pane_current_path}"
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bind -r b previous-window
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bind -r n next-window
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# Move around panes with hjkl
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bind h select-pane -L
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bind j select-pane -D
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bind k select-pane -U
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bind l select-pane -R
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# Resize panes -- -r makes them repeatable, hold instead of re-prefixing
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bind -r H resize-pane -L 5
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bind -r J resize-pane -D 5
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bind -r K resize-pane -U 5
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bind -r L resize-pane -R 5
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# Wayland clipboard integration
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# Copy selection to both clipboard (Ctrl+V / Shift+Insert) and primary (middle-click)
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# v/C-v added: you had no way to *start* a selection from the keyboard.
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bind -T copy-mode-vi v send-keys -X begin-selection
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bind -T copy-mode-vi C-v send-keys -X rectangle-toggle
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bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "wl-copy && wl-copy --primary"
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bind -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel "wl-copy && wl-copy --primary"
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bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "wl-copy && wl-copy --primary"
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# Uncomment if you want yanks to also travel over SSH via OSC52.
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# Locally redundant with wl-copy above.
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#set -g set-clipboard on
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# Kill commands
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# Drop the `confirm-before -p "..."` part for the old single keystroke.
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bind q confirm-before -p "kill window #W? (y/n)" kill-window
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bind Q confirm-before -p "kill session #S? (y/n)" kill-session
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# Bars
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# This is the nord-tmux status line. #{prefix_highlight} came from that
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# theme's tmux-prefix-highlight integration -- a plugin you never loaded,
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# so the token expanded to nothing. tmux can do it natively. Commas inside
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# #{?...} are argument separators and have to be escaped as #, hence the
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# look of the style spec.
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set -g status-left-length 24
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set -g status-left "#[fg=black,bg=blue,bold] #{=20:session_name} #[fg=blue,bg=black,nobold,noitalics,nounderscore]${sep.right}"
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set -g status-right "#{?client_prefix,#[fg=black#,bg=yellow#,bold] ^A ,}#[fg=brightblack,bg=black,nobold,noitalics,nounderscore]${sep.left}#[fg=white,bg=brightblack] %Y-%m-%d #[fg=white,bg=brightblack,nobold,noitalics,nounderscore]${sep.leftThin}#[fg=white,bg=brightblack] %H:%M #[fg=cyan,bg=brightblack,nobold,noitalics,nounderscore]${sep.left}#[fg=black,bg=cyan,bold] #H "
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# Windows
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set -g window-status-format "#[fg=black,bg=brightblack,nobold,noitalics,nounderscore]${sep.right} #[fg=white,bg=brightblack]#I #[fg=white,bg=brightblack,nobold,noitalics,nounderscore]${sep.rightThin} #[fg=white,bg=brightblack]#W #F #[fg=brightblack,bg=black,nobold,noitalics,nounderscore]${sep.right}"
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set -g window-status-current-format "#[fg=black,bg=cyan,nobold,noitalics,nounderscore]${sep.right} #[fg=black,bg=cyan]#I #[fg=black,bg=cyan,nobold,noitalics,nounderscore]${sep.rightThin} #[fg=black,bg=cyan]#W #F #[fg=cyan,bg=black,nobold,noitalics,nounderscore]${sep.right}"
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set -g window-status-separator ""
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'';
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};
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}
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