def get_font(family, fallback=None):
"""Return a font of the requested family, using fallback as alternative.
If a fallback is provided, it is used in case the requested family isn't
found. If no fallback is given, no alternative is chosen and Qt's internal
algorithms may automatically choose a fallback font.
Parameters
----------
family : str
A font name.
fallback : str
A font name.
Returns
-------
font : QFont object
"""
font = QtGui.QFont(family)
# Check whether we got what we wanted using QFontInfo, since exactMatch()
# is overly strict and returns false in too many cases.
font_info = QtGui.QFontInfo(font)
if fallback is not None and font_info.family() != family:
font = QtGui.QFont(fallback)
return font
def setNewStyleSheet(self, down_arrow_path):
fontInfo = QtGui.QFontInfo(self.font())
family = fontInfo.family()
font_size = fontInfo.pixelSize()
# stylesheet because of a border on the arrow that I dislike
stylesheet = ["QComboBox { color: black; font-size: " + str(font_size) + "px;",
"font-family: " + family + "; margin: 0px 0px 1px 1px; border: 0px;",
"padding: 1px 0px 0px 0px;}", # This (useless) line resolves a bug with the font color
"QComboBox::drop-down { border: 0px; }" # Replaces the whole arrow of the combo box
"QComboBox::down-arrow { image: url(" + down_arrow_path + ");",
"width: 14px; height: 14px; }"]
self.setStyleSheet(' '.join(stylesheet))