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#!/usr/bin/env python3
"""
focus-next-visible.py - cycles input focus between visible windows on workspace
- requires the `xprop` utility
Usage:
# focus next visible window
bindsym $mod+n exec --no-startup-id focus-next-visible.py
# focus previous visible window
bindsym $mod+Shift+n exec --no-startup-id focus-next-visible.py reverse
https://faq.i3wm.org/question/6937/move-focus-from-tabbed-container-to-win...
"""
from sys import argv
from itertools import cycle
from subprocess import check_output
import i3ipc
def get_windows_on_ws(conn):
return filter(lambda x: x.window, conn.get_tree().find_focused().workspace().descendents())
def find_visible_windows(windows_on_workspace):
visible_windows = []
for w in windows_on_workspace:
try:
xprop = check_output(['xprop', '-id', str(w.window)]).decode()
except FileNotFoundError:
raise SystemExit("The `xprop` utility is not found!" " Please install it and retry.")
if '_NET_WM_STATE_HIDDEN' not in xprop:
visible_windows.append(w)
return visible_windows
if __name__ == '__main__':
conn = i3ipc.Connection()
visible_windows = find_visible_windows(get_windows_on_ws(conn))
if len(argv) > 1 and argv[1] == "reverse":
cycle_windows = cycle(reversed(visible_windows))
else:
cycle_windows = cycle(visible_windows)
for window in cycle_windows:
if window.focused:
focus_to = next(cycle_windows)
conn.command('[id="%d"] focus' % focus_to.window)
break
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