77 lines
2.3 KiB
Python
77 lines
2.3 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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no_title = 'n/a'
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import core.module
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import core.widget
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import core.decorators
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import util.format
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class Module(core.module.Module):
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def __init__(self, config, theme):
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super().__init__(config, theme, [])
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# parsing of parameters
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self.__scroll = util.format.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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self.__title = ''
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# set output of the module
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self.widgets([core.widget.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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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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# 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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@core.decorators.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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