ghostty-customize-menu-shortcuts

ghostty-keybindings.sh

#!/usr/bin/env bash

# Reset and customise menu bar shortcuts for the Ghostty macOS app.
# Restart the app to apply the new bindings.

set -euo pipefail

# Constants for modifier keys.
CMD="@"
CTRL="^"
OPT="~"
SHIFT="$"

get_bundle_id() {
    local app_path="$1"
    if [[ ! -e "$app_path" ]]; then
        echo "Error: Application path '$app_path' does not exist." >&2
        exit 1
    fi

    local bundle_id
    bundle_id=$(mdls -raw -name kMDItemCFBundleIdentifier "$app_path" 2>/dev/null)

    if [[ -z "$bundle_id" ]]; then
        echo "Error: Failed to retrieve bundle ID for '$app_path'." >&2
        exit 1
    fi

    echo "$bundle_id"
}

clear_shortcuts() {
    local bundle_id="$1"
    if ! defaults write "$bundle_id" NSUserKeyEquivalents "{}"; then
        echo "Error: Failed to clear existing shortcuts for bundle ID '$bundle_id'." >&2
        exit 1
    fi
}

set_shortcuts() {
    local bundle_id="$1"
    defaults write "$bundle_id" NSUserKeyEquivalents "$(cat <<EOF
{
    "Settings..."            = "\0";
    "Reload Configuration"   = "\0";
    "Hide Ghostty"           = "\0";
    "Hide Others"            = "\0";
    "Quit Ghostty"           = "\0";
    "New Window"             = "\0";
    "New Tab"                = "\0";
    "Split Right"            = "\0";
    "Split Down"             = "\0";
    "Close"                  = "\0";
    "Close Tab"              = "\0";
    "Close Window"           = "\0";
    "Close All Windows"      = "\0";
    "Copy"                   = "${CTRL}${SHIFT}C";
    "Paste"                  = "${CTRL}${SHIFT}V";
    "Select All"             = "\0";
    "Show All Tabs"          = "\0";
    "Increase Font Size"     = "\0";
    "Reset Font Size"        = "\0";
    "Decrease Font Size"     = "\0";
    "Terminal Inspector"     = "\0";
    "Minimize"               = "\0";
    "Zoom Split"             = "\0";
    "Show Previous Tab"      = "${CMD}${SHIFT}[";
    "Show Next Tab"          = "${CMD}${SHIFT}]";
    "Select Previous Split"  = "${CMD}[";
    "Select Next Split"      = "${CMD}]";
    "Ghostty Help"           = "\0";
}
EOF
)"
}

read_shortcuts() {
    local bundle_id="$1"
    if ! defaults read "$bundle_id" NSUserKeyEquivalents; then
        echo "Error: Failed to read shortcuts for bundle ID '$bundle_id'." >&2
        exit 1
    fi
}

main() {
    local app_path="${1:-/Applications/Ghostty.app}"

    if ! command -v mdls &>/dev/null || ! command -v defaults &>/dev/null; then
        echo "Error: Required commands 'mdls(1)' or 'defaults(1)' are not available." >&2
        exit 1
    fi

    local bundle_id
    bundle_id=$(get_bundle_id "$app_path")
    echo "Bundle ID: $bundle_id"

    clear_shortcuts "$bundle_id"
    echo "Cleared existing shortcuts for bundle ID '$bundle_id'."

    set_shortcuts "$bundle_id"
    echo "Set new shortcuts for bundle ID '$bundle_id'."

    echo "Updated shortcuts for $app_path ($bundle_id) :"
    read_shortcuts "$bundle_id"
}

main "$@"