# Copyright (c) 2008, 2010 Aldo Cortesi
# Copyright (c) 2010 matt
# Copyright (c) 2011 Mounier Florian
# Copyright (c) 2012 Tim Neumann
# Copyright (c) 2013 Craig Barnes
# Copyright (c) 2014 Sean Vig
# Copyright (c) 2014 Tycho Andersen
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from libqtile import bar, hook, pangocffi
from libqtile.log_utils import logger
from libqtile.widget import base
[docs]class WindowName(base._TextBox):
"""Displays the name of the window that currently has focus"""
defaults = [
("for_current_screen", False, "instead of this bars screen use currently active screen"),
(
"empty_group_string",
" ",
"string to display when no windows are focused on current group",
),
("format", "{state}{name}", "format of the text"),
(
"parse_text",
None,
"Function to parse and modify window names. "
"e.g. function in config that removes excess "
"strings from window name: "
"def my_func(text)"
' for string in [" - Chromium", " - Firefox"]:'
' text = text.replace(string, "")'
" return text"
"then set option parse_text=my_func",
),
]
def __init__(self, width=bar.STRETCH, **config):
base._TextBox.__init__(self, width=width, **config)
self.add_defaults(WindowName.defaults)
def _configure(self, qtile, bar):
base._TextBox._configure(self, qtile, bar)
hook.subscribe.client_name_updated(self.hook_response)
hook.subscribe.focus_change(self.hook_response)
hook.subscribe.float_change(self.hook_response)
hook.subscribe.current_screen_change(self.hook_response_current_screen)
def remove_hooks(self):
hook.unsubscribe.client_name_updated(self.hook_response)
hook.unsubscribe.focus_change(self.hook_response)
hook.unsubscribe.float_change(self.hook_response)
hook.unsubscribe.current_screen_change(self.hook_response_current_screen)
def hook_response(self, *args):
if self.for_current_screen:
w = self.qtile.current_screen.group.current_window
else:
w = self.bar.screen.group.current_window
state = ""
if w:
if w.maximized:
state = "[] "
elif w.minimized:
state = "_ "
elif w.floating:
state = "V "
var = {}
var["state"] = state
var["name"] = w.name
if callable(self.parse_text):
try:
var["name"] = self.parse_text(var["name"])
except: # noqa: E722
logger.exception("parse_text function failed:")
wm_class = w.get_wm_class()
var["class"] = wm_class[0] if wm_class else ""
unescaped = self.format.format(**var)
else:
unescaped = self.empty_group_string
self.update(pangocffi.markup_escape_text(unescaped))
def hook_response_current_screen(self, *args):
if self.for_current_screen:
self.hook_response()
def finalize(self):
self.remove_hooks()
base._TextBox.finalize(self)