diff options
Diffstat (limited to 'powerline/bindings/wm')
-rw-r--r-- | powerline/bindings/wm/__init__.py | 72 | ||||
-rw-r--r-- | powerline/bindings/wm/awesome.py | 59 |
2 files changed, 131 insertions, 0 deletions
diff --git a/powerline/bindings/wm/__init__.py b/powerline/bindings/wm/__init__.py new file mode 100644 index 0000000..d2c6f30 --- /dev/null +++ b/powerline/bindings/wm/__init__.py @@ -0,0 +1,72 @@ +# vim:fileencoding=utf-8:noet +from __future__ import (unicode_literals, division, absolute_import, print_function) + +import re + +from powerline.theme import requires_segment_info +from powerline.lib.shell import run_cmd +from powerline.bindings.wm.awesome import AwesomeThread + + +DEFAULT_UPDATE_INTERVAL = 0.5 + + +conn = None + + +def i3_subscribe(conn, event, callback): + '''Subscribe to i3 workspace event + + :param conn: + Connection returned by :py:func:`get_i3_connection`. + :param str event: + Event to subscribe to, e.g. ``'workspace'``. + :param func callback: + Function to run on event. + ''' + conn.on(event, callback) + + from threading import Thread + + class I3Thread(Thread): + daemon = True + + def __init__(self, conn): + super(I3Thread, self).__init__() + self.__conn = conn + + def run(self): + self.__conn.main() + + thread = I3Thread(conn=conn) + + thread.start() + + +def get_i3_connection(): + '''Return a valid, cached i3 Connection instance + ''' + global conn + if not conn: + import i3ipc + conn = i3ipc.Connection() + return conn + + +XRANDR_OUTPUT_RE = re.compile(r'^(?P<name>[0-9A-Za-z-]+) connected(?P<primary> primary)? (?P<width>\d+)x(?P<height>\d+)\+(?P<x>\d+)\+(?P<y>\d+)', re.MULTILINE) + + +def get_connected_xrandr_outputs(pl): + '''Iterate over xrandr outputs + + Outputs are represented by a dictionary with ``name``, ``width``, + ``height``, ``primary``, ``x`` and ``y`` keys. + ''' + return (match.groupdict() for match in XRANDR_OUTPUT_RE.finditer( + run_cmd(pl, ['xrandr', '-q']) + )) + + +wm_threads = { + 'awesome': AwesomeThread, +} diff --git a/powerline/bindings/wm/awesome.py b/powerline/bindings/wm/awesome.py new file mode 100644 index 0000000..b6e07f2 --- /dev/null +++ b/powerline/bindings/wm/awesome.py @@ -0,0 +1,59 @@ +# vim:fileencoding=utf-8:noet +from __future__ import (unicode_literals, division, absolute_import, print_function) + +import sys + +from threading import Thread, Event +from time import sleep +from subprocess import Popen, PIPE + +from powerline import Powerline +from powerline.lib.monotonic import monotonic + + +def read_to_log(pl, client): + for line in client.stdout: + if line: + pl.info(line, prefix='awesome-client') + for line in client.stderr: + if line: + pl.error(line, prefix='awesome-client') + if client.wait(): + pl.error('Client exited with {0}', client.returncode, prefix='awesome') + + +def run(thread_shutdown_event=None, pl_shutdown_event=None, pl_config_loader=None, + interval=None): + powerline = Powerline( + 'wm', + renderer_module='pango_markup', + shutdown_event=pl_shutdown_event, + config_loader=pl_config_loader, + ) + powerline.update_renderer() + + if not thread_shutdown_event: + thread_shutdown_event = powerline.shutdown_event + + while not thread_shutdown_event.is_set(): + # powerline.update_interval may change over time + used_interval = interval or powerline.update_interval + start_time = monotonic() + s = powerline.render(side='right') + request = 'powerline_widget:set_markup(\'' + s.translate({'\'': '\\\'', '\\': '\\\\'}) + '\')\n' + client = Popen(['awesome-client'], shell=False, stdout=PIPE, stderr=PIPE, stdin=PIPE) + client.stdin.write(request.encode('utf-8')) + client.stdin.close() + read_to_log(powerline.pl, client) + thread_shutdown_event.wait(max(used_interval - (monotonic() - start_time), 0.1)) + + +class AwesomeThread(Thread): + __slots__ = ('powerline_shutdown_event',) + + def __init__(self, **kwargs): + super(AwesomeThread, self).__init__() + self.powerline_run_kwargs = kwargs + + def run(self): + run(**self.powerline_run_kwargs) |