sway/contrib/keyboard-layout-per-window.py

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#!/usr/bin/env python
# This script keeps track of active keyboard layouts per window.
#
# This script requires i3ipc-python package (install it from a system package
# manager or pip).
import i3ipc
ipc = i3ipc.Connection()
prev_focused = ipc.get_tree().find_focused().id
windows = {}
def on_window_focus(ipc, event):
global windows, prev_focused
# Save current layout
layouts = {input.identifier : input.xkb_active_layout_index
for input in ipc.get_inputs()}
windows[prev_focused] = layouts
# Restore layout of the newly focused window
if event.container.id in windows:
for (kdb_id, layout_index) in windows[event.container.id].items():
if layout_index != layouts[kdb_id]:
ipc.command("""input "{}" xkb_switch_layout {}""".format(
kdb_id, layout_index))
prev_focused = event.container.id
def on_window_close(ipc, event):
global windows
if event.container.id in windows:
del(windows[event.container.id])
def on_window(ipc, event):
if event.change == "focus":
on_window_focus(ipc, event)
elif event.change == "close":
on_window_close(ipc, event)
ipc.on("window", on_window)
ipc.main()