--- a/src/declarative/util/qdeclarativepropertychanges.cpp Tue Jul 06 15:10:48 2010 +0300
+++ b/src/declarative/util/qdeclarativepropertychanges.cpp Wed Aug 18 10:37:55 2010 +0300
@@ -62,11 +62,11 @@
/*!
\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 @@
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 \c 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:
@@ -130,7 +145,7 @@
an Item's parent should be done using the associated change elements
(ParentChange and AnchorChanges, respectively).
- \sa {qmlstate}{States}, QtDeclarative
+ \sa {declarative/animation/states}{states example}, {qmlstate}{States}, QtDeclarative
*/
/*!
@@ -485,8 +500,8 @@
If explicit is set to true, any potential bindings will be interpreted as
once-off assignments that occur when the state is entered.
- In the following example, the addition of explicit prevents myItem.width from
- being bound to parent.width. Instead, it is assigned the value of parent.width
+ In the following example, the addition of explicit prevents \c myItem.width from
+ being bound to \c parent.width. Instead, it is assigned the value of \c parent.width
at the time of the state change.
\qml
PropertyChanges {