Source code for libqtile.widget.windowname

# 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""" orientations = base.ORIENTATION_HORIZONTAL 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 def on_screen_changed(): if self.for_current_screen: self.hook_response() 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))