Source code for libqtile.widget.window_count

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from typing import Any, List, Tuple

from libqtile import bar, hook
from libqtile.widget import base


[docs]class WindowCount(base._TextBox): """A simple widget to show the number of windows in the current group.""" orientations = base.ORIENTATION_HORIZONTAL defaults = [ ("font", "sans", "Text font"), ("fontsize", None, "Font pixel size. Calculated if None."), ("fontshadow", None, "font shadow color, default is None(no shadow)"), ("padding", None, "Padding left and right. Calculated if None."), ("foreground", "#ffffff", "Foreground colour."), ("text_format", "{num}", "Format for message"), ("show_zero", False, "Show window count when no windows") ] # type: List[Tuple[str, Any, str]] def __init__(self, text=" ", width=bar.CALCULATED, **config): base._TextBox.__init__(self, text=text, width=width, **config) self.add_defaults(WindowCount.defaults) self._count = 0 def _configure(self, qtile, bar): base._TextBox._configure(self, qtile, bar) self._setup_hooks() self._wincount() def _setup_hooks(self): hook.subscribe.client_killed(self._win_killed) hook.subscribe.client_managed(self._wincount) hook.subscribe.current_screen_change(self._wincount) hook.subscribe.setgroup(self._wincount) def _wincount(self, *args): try: self._count = len(self.qtile.current_group.windows) except AttributeError: self._count = 0 self.update() def _win_killed(self, window): try: self._count = len(self.qtile.current_group.windows) except AttributeError: self._count = 0 if self._count and getattr(window, "group", None): self._count -= 1 self.update() def calculate_length(self): if self.text and (self._count or self.show_zero): return min( self.layout.width, self.bar.width ) + self.actual_padding * 2 else: return 0 def update(self): self.text = self.text_format.format(num=self._count) self.bar.draw() def cmd_get(self): """Retrieve the current text.""" return self.text