Alacritty + tmux

alacritty.yaml

# Configuration for Alacritty, the GPU enhanced terminal emulator.
# Full config: https://github.com/alacritty/alacritty/blob/master/alacritty.yml

env:
  TERM: xterm-256color

window:
  padding:
    x: 8
    y: 8
  dynamic_padding: false
  decorations: buttonless
  #option_as_alt: Both

scrolling:
  history: 10000

font:
  normal:
    #family: monospace
    #family: MesloLGS NF
    #family: Hack Nerd Font Mono
    family: FiraCode Nerd Font
    style: Regular

  bold:
    #family: monospace
    #family: MesloLGS NF
    #family: Hack Nerd Font Mono
    family: FiraCode Nerd Font
    style: Bold

  italic:
    #family: monospace
    #family: MesloLGS NF
    #family: Hack Nerd Font Mono
    family: FiraCode Nerd Font
    style: Italic

  bold_italic:
    #family: monospace
    #family: MesloLGS NF
    #family: Hack Nerd Font Mono
    family: FiraCode Nerd Font
    style: Bold Italic

  size: 14.0

  # See: https://github.com/alacritty/alacritty/issues/1635
  #use_thin_strokes: true

  # See: https://github.com/alacritty/alacritty/issues/4616#issuecomment-1236413444
  # defaults write -g AppleFontSmoothing -int 0

# If `true`, bold text is drawn using the bright color variants.
draw_bold_text_with_bright_colors: true

# Live config reload (changes require restart)
live_config_reload: true

# Send ESC (\x1b) before characters when alt is pressed.
#alt_send_esc: false

mouse:
  # Clickable URLs
  hints:
    launcher:
      program: open
    modifiers: Command

# Colors
# Monokai Pro: https://github.com/rockiedo/monokai-pro-alacritty
# Gruvbox Dark: https://github.com/eendroroy/alacritty-theme/blob/master/themes/gruvbox_dark.yaml
# Gruvbox Material: https://github.com/eendroroy/alacritty-theme/blob/master/themes/gruvbox_material.yml
# Afterglow: https://github.com/eendroroy/alacritty-theme/blob/master/themes/afterglow.yaml
# Monokai Remastered: https://github.com/mbadolato/iTerm2-Color-Schemes/blob/master/alacritty/Monokai%20Remastered.yml

# Sonokai: https://gist.github.com/sainnhe/e5c4512d5bcfcb46afd493beb86223c6
#colors:
#  primary:
#    background: "0x2c2e34"
#    foreground: "0xe2e2e3"
#
#  normal:
#    black: "0x181819"
#    red: "0xfc5d7c"
#    green: "0x9ed072"
#    yellow: "0xe7c664"
#    blue: "0x76cce0"
#    magenta: "0xb39df3"
#    cyan: "0xf39660"
#    white: "0xe2e2e3"
#
#  bright:
#    black: "0x7f8490"
#    red: "0xfc5d7c"
#    green: "0x9ed072"
#    yellow: "0xe7c664"
#    blue: "0x76cce0"
#    magenta: "0xb39df3"
#    cyan: "0xf39660"
#    white: "0xe2e2e3"

colors:
  # Default colors
  primary:
    # hard contrast: background = '0x1d2021'
    background: '0x282828'
    # soft contrast: background = '0x32302f'
    foreground: '0xebdbb2'

  # Normal colors
  normal:
    black:   '0x282828'
    red:     '0xcc241d'
    green:   '0x98971a'
    yellow:  '0xd79921'
    blue:    '0x458588'
    magenta: '0xb16286'
    cyan:    '0x689d6a'
    white:   '0xa89984'

  # Bright colors
  bright:
    black:   '0x928374'
    red:     '0xfb4934'
    green:   '0xb8bb26'
    yellow:  '0xfabd2f'
    blue:    '0x83a598'
    magenta: '0xd3869b'
    cyan:    '0x8ec07c'
    white:   '0xebdbb2'

# instantely start a tmux session
shell:
  program: /usr/local/bin/tmux
  args:
    - new-session
    - -A
    - -D

# https://www.joshmedeski.com/posts/macos-keyboard-shortcuts-for-tmux/
# https://arslan.io/2018/02/05/gpu-accelerated-terminal-alacritty/
key_bindings:
  # \x02 is CTRL+B
  # \x22 is "                split the current pane into two, top and bottom
  # \x25 is %                split the current pane into two, left and right
  # \x26 is &                kill the current window (see \x78)
  # \x30 is 0 ... \x39 is 9  select window 0 to 9
  # \x48 is <up>             change to the pane above of the current pane
  # \x4b is <left>           change to the pane to the left of the current pane
  # \x4d is <right>          change to the pane to the right of the current pane
  # \x50 is <down>           change to the pane below of the current pane
  # \x63 is c                create a new window
  # \x6e is n                change to the next window
  # \x6f is o                select the next pane in the current window
  # \x70 is p                change to the previous window
  # \x78 is x                kill the current pane (and window if last pane)
  # \x7a is z                toggle zoom state of the current pane
  - { key: N,     mods: Command,       chars: "\x02\x22"     }
  - { key: N,     mods: Command|Shift, chars: "\x02\x25"     }
  - { key: Key0,  mods: Command,       chars: "\x02\x30"     }
  - { key: Key1,  mods: Command,       chars: "\x02\x31"     }
  - { key: Key2,  mods: Command,       chars: "\x02\x32"     }
  - { key: Key3,  mods: Command,       chars: "\x02\x33"     }
  - { key: Key4,  mods: Command,       chars: "\x02\x34"     }
  - { key: Key5,  mods: Command,       chars: "\x02\x35"     }
  - { key: Key6,  mods: Command,       chars: "\x02\x36"     }
  - { key: Key7,  mods: Command,       chars: "\x02\x37"     }
  - { key: Key8,  mods: Command,       chars: "\x02\x38"     }
  - { key: Key9,  mods: Command,       chars: "\x02\x39"     }
  #- { key: Up,    mods: Command,       chars: "\x02\x1b5b41" }
  #- { key: Left,  mods: Command,       chars: "\x02\x1b5b44" }
  #- { key: Right, mods: Command,       chars: "\x02\x1b5b43" }
  #- { key: Down,  mods: Command,       chars: "\x02\x1b5b42" }
  - { key: T,     mods: Command,       chars: "\x02\x63"     }
  - { key: O,     mods: Command,       chars: "\x02\x6f"     }
  - { key: W,     mods: Command,       chars: "\x02\x78"     }
  - { key: Z,     mods: Command,       chars: "\x02\x7a"     }

tmux.conf

# set status bar to the top (default is bottom)
set-option -g status-position top

# disable confirm before killing
bind-key x kill-pane

# enable mouse scrolling
set -g mouse on

# sane scrolling
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'copy-mode -e; send-keys -M'"

# for copying text with the mouse you need to hold the [Shift] key while marking
# see: https://appuals.com/stuck-in-tmux-scroll-up/

# [Ctrl-Space] to zoom current pane
# see: https://sgeb.io/posts/tmux-zoom-panes/
bind-key -n C-Space resize-pane -Z