def _currentCellChanged(self, currentRow, currentColumn, previousRow,
previousColumn):
widget = self.cellWidget(currentRow, currentColumn)
if self._widget_is_selectable(widget):
self._current_variant = widget.variant
else:
self._current_variant = None
self.setCurrentIndex(QtCore.QModelIndex())
# update other variants, this causes them to show/hide the depends icon
if previousColumn != currentColumn:
for _, widget in self._iter_column_widgets(previousColumn,
VariantCellWidget):
widget.set_reference_sibling(None)
for _, widget in self._iter_column_widgets(currentColumn,
VariantCellWidget):
widget.set_reference_sibling(self._current_variant)
# new selection is failing to cause a paint update sometimes?? This
# seems to help but does not 100% fix the problem.
self.update(self.model().index(previousRow, previousColumn))
self.update(self.model().index(currentRow, currentColumn))
self.variantSelected.emit(self._current_variant)
def _clear_selection(self):
self.clearSelection()
self.setCurrentIndex(QtCore.QModelIndex())
def _itemSelectionChanged(self):
if not self.selectedIndexes():
self.setCurrentIndex(QtCore.QModelIndex())
