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Diffstat (limited to 'doc/src/declarative/extending-tutorial.qdoc')
| -rw-r--r-- | doc/src/declarative/extending-tutorial.qdoc | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/doc/src/declarative/extending-tutorial.qdoc b/doc/src/declarative/extending-tutorial.qdoc index cc93e86..bc849b0 100644 --- a/doc/src/declarative/extending-tutorial.qdoc +++ b/doc/src/declarative/extending-tutorial.qdoc @@ -260,20 +260,34 @@ custom QML types may see unexpected behavior if bindings are not implemented. \example declarative/tutorials/extending/chapter4-customPropertyTypes The \c PieChart type currently has a string-type property and a color-type property. -It could have many other types of properties. For example, we could add an -integer-type property to store an identifier for each pie chart: +It could have many other types of properties. For example, it could have an +enum-type property to store a display mode for each chart: \code + // C++ class PieChart : public QDeclarativeItem { + Q_ENUMS(DisplayMode) + Q_PROPERTY(DisplayMode displayMode READ displayMode WRITE setDisplayMode) ... - Q_PROPERTY(int id READ id WRITE setId) + public: - ... - int id() const; - void setId(int id); + enum DisplayMode { + MultiLevel, + Exploded, + ThreeDimensional + }; + + void setDisplayMode(DisplayMode mode); + DisplayMode displayMode() const; ... }; + + // QML + PieChart { + ... + displayMode: PieChart.Exploded + } \endcode We can also use various other property types. QML has built-in support for the following |