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Diffstat (limited to 'doc/src/properties.qdoc')
| -rw-r--r-- | doc/src/properties.qdoc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/src/properties.qdoc b/doc/src/properties.qdoc index 5490dd07f4..2d03e91398 100644 --- a/doc/src/properties.qdoc +++ b/doc/src/properties.qdoc @@ -122,6 +122,17 @@ editable property for (checkable) buttons. Note that QItemDelegate gets and sets a widget's \c USER property. + \o The presence of the \c CONSTANT attibute indicates that the property + value is constant. For a given object instance, the READ method of a + constant property must return the same value every time it is called. This + constant value may be different for different instances of the object. A + constant property cannot have a WRTE method or a NOTIFY signal. + + \o The presence of the \c FINAL attribute indicates that the property + will not be overridden by a derived class. This can be used for performance + optimizations in some cases, but is not enforced by moc. Care must be taken + never to override a \c FINAL property. + \endlist The \c READ, \c WRITE, and \c RESET functions can be inherited. |