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Workaround for Qt 5.10 on linux resetting the global font

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Kovid Goyal 2018-02-21 23:09:36 +05:30
parent 3b7843253d
commit 345fac8441
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1 changed files with 5 additions and 0 deletions
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5
src/calibre/gui2/__init__.py
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@ -844,6 +844,11 @@ class Application(QApplication):
if s is not None: if s is not None:
font.setStretch(s) font.setStretch(s)
QApplication.setFont(font) QApplication.setFont(font)
if not isosx and not iswindows:
# Qt 5.10.1 on Linux resets the global font on first event loop tick.
# So workaround it by setting the font once again in a timer.
font_from_prefs = self.font()
QTimer.singleShot(0, lambda : QApplication.setFont(font_from_prefs))
self.line_height = max(12, QFontMetrics(self.font()).lineSpacing()) self.line_height = max(12, QFontMetrics(self.font()).lineSpacing())
dl = QLocale(get_lang()) dl = QLocale(get_lang())