alacritty.yml

window:
  # Background opacity
  #
  # Window opacity as a floating point number from `0.0` to `1.0`.
  # The value `0.0` is completely transparent and `1.0` is opaque.
  opacity: 0.9
  # Window dimensions (changes require restart)
  #
  # Number of lines/columns (not pixels) in the terminal. The number of columns
  # must be at least `2`, while using a value of `0` for columns and lines will
  # fall back to the window manager's recommended size.
  dimensions:
    columns: 500
    lines: 40

  # Window position (changes require restart)
  #
  # Specified in number of pixels.
  # If the position is not set, the window manager will handle the placement.
  position:
    x: 0
    y: 0

  # Startup Mode (changes require restart)
  #
  # Values for `startup_mode`:
  #   - Windowed
  #   - Maximized
  #   - Fullscreen
  #
  # Values for `startup_mode` (macOS only):
  #   - SimpleFullscreen
  startup_mode: Maximized

  # Window padding (changes require restart)
  #
  # Blank space added around the window in pixels. This padding is scaled
  # by DPI and the specified value is always added at both opposing sides.
  padding:
    x: 10
    y: 10

  # Spread additional padding evenly around the terminal content.
  #dynamic_padding: false

  # Window decorations
  #
  # Values for `decorations`:
  #     - full: Borders and title bar
  #     - none: Neither borders nor title bar
  #
  # Values for `decorations` (macOS only):
  #     - transparent: Title bar, transparent background and title bar buttons
  #     - buttonless: Title bar, transparent background and no title bar buttons
  decorations: none
font:
  size: 12.0
  use_thin_strokes: true

key_bindings:
  # Toggle fullscreen
  - { key: Return, mods: Command, action: ToggleSimpleFullscreen }

  # tmux shortcuts
  # Create a new tmux window
  - { key: T, mods: Command, chars: "\x02\x63" }
  # Rename the current tmux window
  - { key: R, mods: Command, chars: "\x02\x2c" }
  # Select window 1-9
  - { key: Key1, mods: Command, chars: "\x02\x30" }
  - { key: Key2, mods: Command, chars: "\x02\x31" }
  - { key: Key3, mods: Command, chars: "\x02\x32" }
  - { key: Key4, mods: Command, chars: "\x02\x33" }
  - { key: Key5, mods: Command, chars: "\x02\x34" }
  - { key: Key6, mods: Command, chars: "\x02\x35" }
  - { key: Key7, mods: Command, chars: "\x02\x36" }
  - { key: Key8, mods: Command, chars: "\x02\x37" }
  - { key: Key9, mods: Command, chars: "\x02\x38" }
  # Select a new tmux session for the attached client interactively
  - { key: K, mods: Command, chars: "\x02\x73" }
  # Change to the previous tmux window
  - { key: Left, mods: Command, chars: "\x02\x1b\x5b\x44" }
  - { key: Right, mods: Command, chars: "\x02\x1b\x5b\x43" }
  # Split the current pane into two, left and right
  - { key: D, mods: Command, chars: "\x02\x25" }
  # Kill the current tmux pane (and window if last pane)
  - { key: W, mods: Command, chars: "\x02\x78" }
  # Break the current tmux pane out of the tmux window
  - { key: T, mods: Command|Shift, chars: "\x02\x21" }