glyphCellView.py 文件源码

def mouseReleaseEvent(self, event):
        if event.button() in (Qt.LeftButton, Qt.RightButton):
            self._maybeDragPosition = None
            # XXX: we should use modifiers registered on click
            if not event.modifiers() & Qt.ShiftModifier:
                if self._lastSelectedCell is not None:
                    self._selection = {self._lastSelectedCell}
                else:
                    self._selection = set()
                self.update()
            self._oldSelection = None
        else:
            super(GlyphCellWidget, self).mouseReleaseEvent(event)