40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
#-----------------------------------------------------------------------------
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# Copyright (C) 2019 Alberto Sottile, Eric Larson
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#
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# Distributed under the terms of the 3-clause BSD License.
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#-----------------------------------------------------------------------------
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import subprocess
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def theme():
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# Here we just triage to GTK settings for now
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try:
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out = subprocess.run(
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['gsettings', 'get', 'org.gnome.desktop.interface', 'gtk-theme'],
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capture_output=True)
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stdout = out.stdout.decode()
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except Exception:
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return 'Light'
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# we have a string, now remove start and end quote
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theme = stdout.lower().strip()[1:-1]
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if '-dark' in theme.lower():
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return 'Dark'
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else:
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return 'Light'
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def isDark():
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return theme() == 'Dark'
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def isLight():
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return theme() == 'Light'
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# def listener(callback: typing.Callable[[str], None]) -> None:
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def listener(callback):
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with subprocess.Popen(
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('gsettings', 'monitor', 'org.gnome.desktop.interface', 'gtk-theme'),
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stdout=subprocess.PIPE,
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universal_newlines=True,
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) as p:
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for line in p.stdout:
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callback('Dark' if '-dark' in line.strip().removeprefix("gtk-theme: '").removesuffix("'").lower() else 'Light')
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