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Wrap scroll button workaround in try/except

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for older pyqt5 versions (5.2.1)
This commit is contained in:
Marius 2017-06-20 23:55:11 +02:00
parent 6e166d139a
commit dfedddf0bd
1 changed files with 15 additions and 6 deletions
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21
qutebrowser/mainwindow/tabwidget.py
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@ -747,6 +747,8 @@ class TabBarStyle(QCommonStyle):
Return:
A QRect.
"""
if sr == QStyle.SE_TabBarTabText:
layouts = self._tab_layout(opt)
if layouts is None:
@ -759,13 +761,20 @@ class TabBarStyle(QCommonStyle):
# style differences...
rct = super().subElementRect(sr, opt, widget)
return rct
elif sr == QStyle.SE_TabBarScrollLeftButton:
# We need this so the left scroll button is aligned properly.
# Otherwise, empty space will be shown after the last tab even
# though the button width is set to 0
rct = super().subElementRect(sr, opt, widget)
return rct
else:
try:
# We need this so the left scroll button is aligned properly.
# Otherwise, empty space will be shown after the last tab even
# though the button width is set to 0
# In older PyQt-versions (5.2.1) QStyle does not have this
# attribute.
if sr == QStyle.SE_TabBarScrollLeftButton:
return super().subElementRect(sr, opt, widget)
except AttributeError:
pass
return self._style.subElementRect(sr, opt, widget)
def _tab_layout(self, opt):