85 lines
2.4 KiB
Python
85 lines
2.4 KiB
Python
# pylint: disable=C0111,R0903
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"""Displays focused i3 window title.
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Requirements:
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* i3ipc
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Parameters:
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* title.max : Maximum character length for title before truncating. Defaults to 64.
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* title.placeholder : Placeholder text to be placed if title was truncated. Defaults to "...".
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* title.scroll : Boolean flag for scrolling title. Defaults to False
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"""
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import threading
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try:
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import i3ipc
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except ImportError:
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pass
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import bumblebee.util
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import bumblebee.input
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import bumblebee.output
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import bumblebee.engine
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from bumblebee.output import scrollable
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_no_title = "n/a"
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class Module(bumblebee.engine.Module):
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"""Window title module."""
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def __init__(self, engine, config):
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super(Module, self).__init__(
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engine,
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config
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)
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# parsing of parameters
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self._scroll = bumblebee.util.asbool(self.parameter("scroll", False))
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self._max = int(self.parameter("max", 64))
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self._placeholder = self.parameter("placeholder", "...")
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# set output of the module
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self.widgets(bumblebee.output.Widget(full_text=
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self._scrolling_focused_title if self._scroll else self._focused_title))
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# create a connection with i3ipc
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try:
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self._i3 = i3ipc.Connection()
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# event is called both on focus change and title change
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self._i3.on("window", lambda _p_i3, _p_e: self._pollTitle())
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# begin listening for events
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threading.Thread(target=self._i3.main).start()
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except:
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pass
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# initialize the first title
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self._pollTitle()
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def _focused_title(self, widget):
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return self._title
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@scrollable
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def _scrolling_focused_title(self, widget):
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return self._full_title
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def _pollTitle(self):
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"""Updating current title."""
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try:
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self._full_title = self._i3.get_tree().find_focused().name
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except:
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self._full_title = _no_title
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if self._full_title is None:
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self._full_title = _no_title
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if not self._scroll:
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# cut the text if it is too long
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if len(self._full_title) > self._max:
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self._title = self._full_title[0:self._max - len(self._placeholder)]
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self._title = "{}{}".format(self._title, self._placeholder)
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else:
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self._title = self._full_title
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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