143 lines
4.4 KiB
Python
143 lines
4.4 KiB
Python
# pylint: disable=C0111,R0903
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"""Shows a widget for each connected screen and allows the user to enable/disable screens.
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Parameters:
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* xrandr.overwrite_i3config: If set to 'true', this module assembles a new i3 config
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every time a screen is enabled or disabled by taking the file '~/.config/i3/config.template'
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and appending a file '~/.config/i3/config.<screen name>' for every screen.
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* xrandr.autoupdate: If set to 'false', does *not* invoke xrandr automatically. Instead, the
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module will only refresh when displays are enabled or disabled (defaults to true)
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Requires the following python module:
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* (optional) i3 - if present, the need for updating the widget list is auto-detected
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Requires the following executable:
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* xrandr
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"""
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import os
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import re
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import sys
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import core.module
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import core.widget
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import core.input
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import core.decorators
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import util.cli
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import util.format
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try:
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import i3
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except:
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pass
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class Module(core.module.Module):
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@core.decorators.every(seconds=5) # takes up to 5s to detect a new screen
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def __init__(self, config, theme):
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widgets = []
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super().__init__(config, theme, widgets)
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self._autoupdate = util.format.asbool(self.parameter("autoupdate", True))
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self._needs_update = True
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try:
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i3.Subscription(self._output_update, "output")
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except:
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pass
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def _output_update(self, event, data, _):
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self._needs_update = True
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def update(self):
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new_widgets = []
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if self._autoupdate == False and self._needs_update == False:
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return
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self._needs_update = False
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for line in util.cli.execute("xrandr -q").split("\n"):
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if not " connected" in line:
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continue
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display = line.split(" ", 2)[0]
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m = re.search(r"\d+x\d+\+(\d+)\+\d+", line)
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widget = self.widget(display)
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if not widget:
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widget = core.widget.Widget(
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full_text=display, name=display, module=self
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)
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core.input.register(widget, button=1, cmd=self._toggle)
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core.input.register(widget, button=3, cmd=self._toggle)
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new_widgets.append(widget)
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widget.set("state", "on" if m else "off")
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widget.set("pos", int(m.group(1)) if m else sys.maxsize)
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self.widgets(new_widgets)
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if self._autoupdate == False:
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widget = core.widget.Widget(full_text="", module=self)
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widget.set("state", "refresh")
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core.input.register(widget, button=1, cmd=self._refresh)
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self.widgets().append(widget)
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def state(self, widget):
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return widget.get("state", "off")
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def _refresh(self, event):
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self._needs_update = True
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def _toggle(self, event):
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self._refresh(self, event)
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path = os.path.dirname(os.path.abspath(__file__))
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if util.format.asbool(self.parameter("overwrite_i3config", False)) == True:
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toggle_cmd = "{}/../../bin/toggle-display.sh".format(path)
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else:
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toggle_cmd = "xrandr"
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widget = self.widget_by_id(event["instance"])
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if widget.get("state") == "on":
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util.cli.execute("{} --output {} --off".format(toggle_cmd, widget.name))
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else:
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first_neighbor = next(
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(widget for widget in self.widgets() if widget.get("state") == "on"),
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None,
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)
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last_neighbor = next(
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(
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widget
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for widget in reversed(self.widgets())
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if widget.get("state") == "on"
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),
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None,
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)
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neighbor = (
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first_neighbor
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if event["button"] == core.input.LEFT_MOUSE
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else last_neighbor
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)
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if neighbor is None:
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util.cli.execute(
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"{} --output {} --auto".format(toggle_cmd, widget.name)
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)
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else:
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util.cli.execute(
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"{} --output {} --auto --{}-of {}".format(
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toggle_cmd,
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widget.name,
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"left"
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if event.get("button") == core.input.LEFT_MOUSE
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else "right",
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neighbor.name,
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)
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)
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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