/// the attributes of the preedit text
QList<QInputMethodEvent::Attribute> preedit_attr_;
/// Ratio between physical pixels and device-independent pixels
/// We save the last used value to detect changes of the
/// current pixel_ratio of the viewport.
/// the attributes of the preedit text
QList<QInputMethodEvent::Attribute> preedit_attr_;
/// Ratio between physical pixels and device-independent pixels
/// We save the last used value to detect changes of the
/// current pixel_ratio of the viewport.