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from ...Qt import QtGui, QtWidgets
from ..Parameter import Parameter
from .basetypes import WidgetParameterItem
class FontParameterItem(WidgetParameterItem):
def makeWidget(self):
w = QtWidgets.QFontComboBox()
w.setMaximumHeight(20)
w.sigChanged = w.currentFontChanged
w.value = w.currentFont
w.setValue = w.setCurrentFont
self.hideWidget = False
return w
def updateDisplayLabel(self, value=None):
if value is None:
value = self.widget.currentText()
super().updateDisplayLabel(value)
class FontParameter(Parameter):
"""
Creates and controls a QFont value. Be careful when selecting options from the font dropdown. since not all
fonts are available on all systems
"""
itemClass = FontParameterItem
def _interpretValue(self, v):
if isinstance(v, str):
newVal = QtGui.QFont()
if not newVal.fromString(v):
raise ValueError(f'Error parsing font "{v}"')
v = newVal
return v
def saveState(self, filter=None):
state = super().saveState(filter)
state['value'] = state['value'].toString()
return state
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