57 lines
1.4 KiB
Python
57 lines
1.4 KiB
Python
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# pylint: disable=C0111,R0903
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"""Shows when a key is pressed
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Parameters:
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* keys.keys: Comma-separated list of keys to monitor (defaults to "")
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"""
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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 core.event
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import util.format
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from pynput.keyboard import Listener
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NAMES = {
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"Key.cmd": "cmd",
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"Key.ctrl": "ctrl",
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"Key.shift": "shift",
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"Key.alt": "alt",
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}
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class Module(core.module.Module):
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@core.decorators.never
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def __init__(self, config, theme):
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super().__init__(config, theme, [])
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self._listener = Listener(on_press=self._key_press, on_release=self._key_release)
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self._keys = util.format.aslist(self.parameter("keys", "Key.cmd,Key.ctrl,Key.alt,Key.shift"))
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for k in self._keys:
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self.add_widget(name=k, full_text=self._display_name(k), hidden=True)
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self._listener.start()
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def _display_name(self, key):
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return NAMES.get(key, key)
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def _key_press(self, key):
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key = str(key)
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if not key in self._keys: return
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self.widget(key).hidden = False
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core.event.trigger("update", [self.id], redraw_only=False)
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def _key_release(self, key):
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key = str(key)
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if not key in self._keys: return
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self.widget(key).hidden = True
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core.event.trigger("update", [self.id], redraw_only=False)
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def state(self, widget):
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return widget.name
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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