bumblebee-status/bumblebee/modules/xrandr.py
Tobias Witek f0bacdecd8 [modules/xrandr] Fix a crash caused by Python3
Python3 does not have sys.maxint anymore, so replace it with
sys.maxsize, which is available in both Python2 and Python3.

fixes #59
2017-03-28 19:08:17 +02:00

74 lines
2.7 KiB
Python

# pylint: disable=C0111,R0903
"""Shows a widget for each connected screen and allows the user to enable/disable screens.
Requires the following executable:
* xrandr
"""
import os
import re
import sys
import bumblebee.util
import bumblebee.input
import bumblebee.output
import bumblebee.engine
class Module(bumblebee.engine.Module):
def __init__(self, engine, config):
widgets = []
self._engine = engine
super(Module, self).__init__(engine, config, widgets)
self.update_widgets(widgets)
def update_widgets(self, widgets):
new_widgets = []
for line in bumblebee.util.execute("xrandr -q").split("\n"):
if not " connected" in line:
continue
display = line.split(" ", 2)[0]
m = re.search(r'\d+x\d+\+(\d+)\+\d+', line)
widget = self.widget(display)
if not widget:
widget = bumblebee.output.Widget(full_text=display, name=display)
self._engine.input.register_callback(widget, button=1, cmd=self._toggle)
self._engine.input.register_callback(widget, button=3, cmd=self._toggle)
new_widgets.append(widget)
widget.set("state", "on" if m else "off")
widget.set("pos", int(m.group(1)) if m else sys.maxsize)
while len(widgets) > 0:
del widgets[0]
for widget in new_widgets:
widgets.append(widget)
def update(self, widgets):
self.update_widgets(widgets)
def state(self, widget):
return widget.get("state", "off")
def _toggle(self, event):
path = os.path.dirname(os.path.abspath(__file__))
toggle_cmd = "{}/../../bin/toggle-display.sh".format(path)
widget = self.widget_by_id(event["instance"])
if widget.get("state") == "on":
bumblebee.util.execute("{} --output {} --off".format(toggle_cmd, widget.name))
else:
first_neighbor = next((widget for widget in self.widgets() if widget.get("state") == "on"), None)
last_neighbor = next((widget for widget in reversed(self.widgets()) if widget.get("state") == "on"), None)
neighbor = first_neighbor if event["button"] == bumblebee.input.LEFT_MOUSE else last_neighbor
if neighbor == None:
bumblebee.util.execute("{} --output {} --auto".format(toggle_cmd, widget.name))
else:
bumblebee.util.execute("{} --output {} --auto --{}-of {}".format(toggle_cmd, widget.name,
"left" if event.get("button") == bumblebee.input.LEFT_MOUSE else "right",
neighbor.name))
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4