def cfg2gui(self) -> None:
"""Update the widget without triggering signals.
When the presentation pmodel updates dependent widget 1,
the pmodel (not widget 1) is responsible for updating other
dependent widgets.
TODO add option to send signals
"""
with qc.QSignalBlocker(self):
self.set_gui(self.pmodel[self.path])
def set_gui(self, value: Optional[str]):
"""model2gui"""
if self.optional and not value:
value = ""
else:
value = color2hex(value) # raises CorrError if invalid.
# Don't write back to model immediately.
# Loading is a const process, only editing the GUI should change the model.
with qc.QSignalBlocker(self):
self.setText(value)
# Write to other GUI widgets immediately.
self.hex_color.emit(value) # calls button.set_color()
def set_color(self, hex_color: str):
with qc.QSignalBlocker(self):
self.setChecked(bool(hex_color))