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Add fractional scaling workaround

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This commit is contained in:
Damien Elmes 2023-05-15 14:34:01 +10:00
parent accb20c3e9
commit 5f40fd6083
1 changed files with 5 additions and 0 deletions
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5
qt/aqt/__init__.py
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@ -576,6 +576,11 @@ def _run(argv: Optional[list[str]] = None, exec: bool = True) -> Optional[AnkiAp
if os.environ.get("ANKI_SOFTWAREOPENGL"):
QCoreApplication.setAttribute(Qt.ApplicationAttribute.AA_UseSoftwareOpenGL)
# Work around broken fractional scaling in Wayland
# https://bugreports.qt.io/browse/QTBUG-113574
if is_lin and qtmajor > 5:
os.environ["QT_SCALE_FACTOR_ROUNDING_POLICY"] = "RoundPreferFloor"
# fix an issue on Windows, where Ctrl+Alt shortcuts are triggered by AltGr,
# preventing users from typing things like "@" through AltGr+Q on a German
# keyboard.