dotfiles/local-bin/.local/bin/launch-or-focus

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#!/usr/bin/env bash
set -euo pipefail
# Simple script to launch an application or focus it if already running in sway
# Usage: launch-or-focus <command> [--class CLASS] [--title TITLE] [args...]
#
# Examples:
# launch-or-focus firefox
# launch-or-focus code --class Code --title "My Project"
# launch-or-focus kitty --class kitty
CLASS=""
TITLE=""
ARGS=()
# Parse arguments
while [[ $# -gt 0 ]]; do
case $1 in
--class)
CLASS="$2"
shift 2
;;
--title)
TITLE="$2"
shift 2
;;
*)
ARGS+=("$1")
shift
;;
esac
done
if [ ${#ARGS[@]} -eq 0 ]; then
echo "Usage: $0 <command> [--class CLASS] [--title TITLE] [args...]" >&2
exit 1
fi
COMMAND="${ARGS[0]}"
APP_NAME=$(basename "$COMMAND")
unset 'ARGS[0]'
ARGS=("${ARGS[@]}")
# If class/title were provided as flags, add them to command args (for apps that support them)
if [ -n "$CLASS" ]; then
ARGS=("--class=$CLASS" "${ARGS[@]}")
fi
if [ -n "$TITLE" ]; then
ARGS=("--title=$TITLE" "${ARGS[@]}")
fi
# Find window by app_id (sway uses app_id), title, or app name
find_window() {
local class="$1"
local title="$2"
local app="$3"
# If class provided, search by app_id first (sway uses app_id)
if [ -n "$class" ]; then
swaymsg -t get_tree | jq -r --arg class "$class" '
recurse(.nodes[]?, .floating_nodes[]?) |
select((.app_id | type) == "string" and .app_id == $class) |
.id
' | head -n 1
return
fi
# If only title provided, search by title
if [ -n "$title" ]; then
swaymsg -t get_tree | jq -r --arg title "$title" '
recurse(.nodes[]?, .floating_nodes[]?) |
select((.name | type) == "string" and .name == $title) |
.id
' | head -n 1
return
fi
# Fallback to app name (search by app_id)
swaymsg -t get_tree | jq -r --arg app "$app" '
recurse(.nodes[]?, .floating_nodes[]?) |
select((.app_id | type) == "string" and .app_id == $app) |
.id
' | head -n 1
}
# Try to find existing window
WINDOW_ID=$(find_window "$CLASS" "$TITLE" "$APP_NAME")
# Focus if found, otherwise launch
if [ -n "$WINDOW_ID" ] && [ "$WINDOW_ID" != "null" ]; then
swaymsg "[con_id=$WINDOW_ID]" focus
else
"$COMMAND" "${ARGS[@]}" >/dev/null 2>&1 &
disown
fi