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|
##################################################################
# #
# #
# TAK_0'S Per-Window-Switch #
# #
# #
# #
# Just a little script that I made to switch keyboard layouts #
# per-window instead of global switching for the more #
# smooth and comfortable workflow. #
# #
##################################################################
# This is for changing kb_layouts. Set kb_layouts in
MAP_FILE="$HOME/.cache/kb_layout_per_window"
CFG_FILE="$HOME/.config/hypr/configs/SystemSettings.conf"
ICON="$HOME/.config/swaync/images/ja.png"
SCRIPT_NAME="$(basename "$0")"
LISTENER_PIDFILE="$HOME/.cache/kb_layout_per_window.listener.pid"
# Ensure map file exists
touch "$MAP_FILE"
# Read layouts from config
if ! grep -q 'kb_layout' "$CFG_FILE"; then
echo "Error: cannot find kb_layout in $CFG_FILE" >&2
exit 1
fi
kb_layouts=($(grep 'kb_layout' "$CFG_FILE" | cut -d '=' -f2 | tr -d '[:space:]' | tr ',' ' '))
count=${#kb_layouts[@]}
# Get current active window ID
get_win() {
hyprctl activewindow -j | jq -r '.address // .id'
}
# Get available keyboards
get_keyboards() {
hyprctl devices -j | jq -r '.keyboards[].name'
}
# Save window-specific layout
save_map() {
local W=$1 L=$2
grep -v "^${W}:" "$MAP_FILE" >"$MAP_FILE.tmp"
echo "${W}:${L}" >>"$MAP_FILE.tmp"
mv "$MAP_FILE.tmp" "$MAP_FILE"
}
# Load layout for window (fallback to default)
load_map() {
local W=$1
local E
E=$(grep "^${W}:" "$MAP_FILE")
[[ -n "$E" ]] && echo "${E#*:}" || echo "${kb_layouts[0]}"
}
# Switch layout for all keyboards to layout index
do_switch() {
local IDX=$1
for kb in $(get_keyboards); do
hyprctl switchxkblayout "$kb" "$IDX" 2>/dev/null
done
}
# Toggle layout for current window only
cmd_toggle() {
local W=$(get_win)
[[ -z "$W" ]] && return
local CUR=$(load_map "$W")
local i NEXT
for idx in "${!kb_layouts[@]}"; do
if [[ "${kb_layouts[idx]}" == "$CUR" ]]; then
i=$idx
break
fi
done
NEXT=$(((i + 1) % count))
do_switch "$NEXT"
save_map "$W" "${kb_layouts[NEXT]}"
notify-send -u low -i "$ICON" "kb_layout: ${kb_layouts[NEXT]}"
}
# Restore layout on focus
cmd_restore() {
local W=$(get_win)
[[ -z "$W" ]] && return
local LAY=$(load_map "$W")
for idx in "${!kb_layouts[@]}"; do
if [[ "${kb_layouts[idx]}" == "$LAY" ]]; then
do_switch "$idx"
break
fi
done
}
# Listen to focus events and restore window-specific layouts
subscribe() {
local SOCKET2="$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock"
[[ -S "$SOCKET2" ]] || {
echo "Error: Hyprland socket not found." >&2
return 1
}
socat -u UNIX-CONNECT:"$SOCKET2" - | while read -r line; do
[[ "$line" =~ ^activewindow ]] && cmd_restore
done
}
# Ensure only one listener
start_listener_once() {
if [[ -f "$LISTENER_PIDFILE" ]]; then
local existing_pid
existing_pid=$(cat "$LISTENER_PIDFILE" 2>/dev/null || true)
if [[ -n "$existing_pid" ]] && kill -0 "$existing_pid" 2>/dev/null; then
return
fi
fi
subscribe &
echo $! >"$LISTENER_PIDFILE"
}
start_listener_once
# CLI
case "$1" in
toggle | "") cmd_toggle ;;
*)
echo "Usage: $SCRIPT_NAME [toggle]" >&2
exit 1
;;
esac
|
