def __pen_cache(self, palette: QPalette, state: QStyle.State) -> QPen:
"""Return a QPen from the `palette` for `state`."""
# NOTE: This method exists mostly to avoid QPen, QColor (de)allocations.
key = palette.cacheKey(), int(state) & _State_Mask
try:
return self.__pen_lru_cache[key]
except KeyError:
pen = QPen(text_color_for_state(palette, state))
self.__pen_lru_cache[key] = pen
return pen
def __pen_cache(self, palette: QPalette, state: QStyle.State) -> QPen:
"""Return a QPen from the `palette` for `state`."""
# NOTE: This method exists mostly to avoid QPen, QColor (de)allocations.
key = palette.cacheKey(), int(state) & _State_Mask
try:
return self.__pen_lru_cache[key]
except KeyError:
cgroup = QPalette.Normal if state & QStyle.State_Active else QPalette.Inactive
cgroup = cgroup if state & QStyle.State_Enabled else QPalette.Disabled
role = QPalette.HighlightedText if state & QStyle.State_Selected else QPalette.Text
pen = QPen(palette.color(cgroup, role))
self.__pen_lru_cache[key] = pen
return pen
