diff options
Diffstat (limited to 'src/declarative/util/qdeclarativepropertychanges.cpp')
| -rw-r--r-- | src/declarative/util/qdeclarativepropertychanges.cpp | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/declarative/util/qdeclarativepropertychanges.cpp b/src/declarative/util/qdeclarativepropertychanges.cpp index d99de7a..e98afeb 100644 --- a/src/declarative/util/qdeclarativepropertychanges.cpp +++ b/src/declarative/util/qdeclarativepropertychanges.cpp @@ -62,11 +62,11 @@ QT_BEGIN_NAMESPACE /*! \qmlclass PropertyChanges QDeclarativePropertyChanges \since 4.7 - \brief The PropertyChanges element describes new property values for a state. + \brief The PropertyChanges element describes new property bindings or values for a state. PropertyChanges provides a state change that modifies the properties of an item. - Here is a property change that modifies the text and color of a Text element + Here is a property change that modifies the text and color of a \l Text element when it is clicked: \qml @@ -89,6 +89,21 @@ QT_BEGIN_NAMESPACE MouseArea { anchors.fill: parent; onClicked: myText.state = 'myState' } } \endqml + + By default, PropertyChanges will establish new bindings where appropriate. + For example, the following creates a new binding for myItem's height property. + + \qml + PropertyChanges { + target: myItem + height: parent.height + } + \endqml + + If you don't want a binding to be established (and instead just want to assign + the value of the binding at the time the state is entered), + you should set the PropertyChange's \l{PropertyChanges::explicit}{explicit} + property to \c true. State-specific script for signal handlers can also be specified: |