Source code for libqtile.widget.chord

# Copyright (c) 2014 Sean Vig
# Copyright (c) 2014 roger
# Copyright (c) 2014 Adi Sieker
# Copyright (c) 2014 Tycho Andersen
#
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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from libqtile import bar, hook
from libqtile.widget import base


[docs]class Chord(base._TextBox): """Display current key chord""" defaults = [ ( "chords_colors", {}, "colors per chord in form of tuple {'chord_name': ('bg', 'fg')}. " "Where a chord name is not in the dictionary, the default ``background`` and ``foreground``" " values will be used.", ), ( "name_transform", lambda txt: txt, "preprocessor for chord name it is pure function string -> string", ), ] def __init__(self, width=bar.CALCULATED, **config): base._TextBox.__init__(self, "", width, **config) self.add_defaults(Chord.defaults) def _configure(self, qtile, bar): base._TextBox._configure(self, qtile, bar) self.default_background = self.background self.default_foreground = self.foreground self.text = "" self._setup_hooks() def _setup_hooks(self): def hook_enter_chord(chord_name): if chord_name is True: self.text = "" self.reset_colours() return self.text = self.name_transform(chord_name) if chord_name in self.chords_colors: (self.background, self.foreground) = self.chords_colors.get(chord_name) else: self.reset_colours() self.bar.draw() hook.subscribe.enter_chord(hook_enter_chord) hook.subscribe.leave_chord(self.clear) def reset_colours(self): self.background = self.default_background self.foreground = self.default_foreground def clear(self, *args): self.reset_colours() self.text = "" self.bar.draw()