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author | Qt Continuous Integration System <qt-info@nokia.com> | 2011-03-11 02:13:18 (GMT) |
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committer | Qt Continuous Integration System <qt-info@nokia.com> | 2011-03-11 02:13:18 (GMT) |
commit | 57ce4cba0747d31075d9479c06070dd8aac2b7de (patch) | |
tree | e8f44ce1d7ecb5d22212ad5989df4d2759ba22ff /src/declarative/qml/qdeclarativecomponent.cpp | |
parent | 3c0a4a16fa857fcf6ec89ef6e3376b262eaeca62 (diff) | |
parent | b18bd68dd05f000c65e33a975bca6bf24dabb8d3 (diff) | |
download | Qt-57ce4cba0747d31075d9479c06070dd8aac2b7de.zip Qt-57ce4cba0747d31075d9479c06070dd8aac2b7de.tar.gz Qt-57ce4cba0747d31075d9479c06070dd8aac2b7de.tar.bz2 |
Merge branch '4.7' of git://scm.dev.nokia.troll.no/qt/qt-water-team
* '4.7' of git://scm.dev.nokia.troll.no/qt/qt-water-team: (265 commits)
Partial update window surfaces always need a repaint before flush.
Fix for misplaced endif in qglobal.h.
Implement language fallback logic for localize_deployment
Added missing ifdefs to allow compilation on older Symbian versions.
Multiple screen support for Symbian in QDeskopWidget.
Adding quote around files in QMAKE_CLEAN to tackle wildcard issue
Bump Qt version to 4.7.3
Fix unstable qdeclarativeflickable test.
Added native image handle provider header.
Fix possible bearer management Crash with Panic E32USER-CBase, 69
Added native image handle provider support in pixmaps on openvg.
Correcting incorrect ordinal introduced by the split view changes.
Support partial input mode
Update TextEdit's visible selection when only the anchor changes.
Fixed memory leak in GL texture cache with QRuntimePixmapData.
Avoid compiler warnings in openvg on win32.
Updated def files with new QVGPixmapData function.
VGImage readback support in QPixmap on OpenVG.
Invalidate the EGL surface of QMeeGoLivePixmapData when switching to Raster
QNetworkCookie: fix quoted values
...
Diffstat (limited to 'src/declarative/qml/qdeclarativecomponent.cpp')
-rw-r--r-- | src/declarative/qml/qdeclarativecomponent.cpp | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/src/declarative/qml/qdeclarativecomponent.cpp b/src/declarative/qml/qdeclarativecomponent.cpp index 5840f70..fc393d1 100644 --- a/src/declarative/qml/qdeclarativecomponent.cpp +++ b/src/declarative/qml/qdeclarativecomponent.cpp @@ -615,10 +615,11 @@ QDeclarativeComponent::QDeclarativeComponent(QDeclarativeComponentPrivate &dd, Q } /*! - \qmlmethod object Component::createObject(Item parent, Script valuemap = null) + \qmlmethod object Component::createObject(Item parent, object properties) - Creates and returns an object instance of this component that will have the given - \a parent. Returns null if object creation fails. + Creates and returns an object instance of this component that will have + the given \a parent and \a properties. The \a properties argument is optional. + Returns null if object creation fails. The object will be created in the same context as the one in which the component was created. This function will always return null when called on components @@ -630,14 +631,23 @@ QDeclarativeComponent::QDeclarativeComponent(QDeclarativeComponentPrivate &dd, Q property, or else the object will not be visible. If a \a parent is not provided to createObject(), a reference to the returned object must be held so that - it is not destroyed by the garbage collector. This is regardless of Item.parent being set afterwards, + it is not destroyed by the garbage collector. This is true regardless of whether \l{Item::parent} is set afterwards, since setting the Item parent does not change object ownership; only the graphical parent is changed. - Since QtQuick 1.1, a map of property values can be optionally passed to the method that applies values to the object's properties - before its creation is finalised. This will avoid binding issues that can occur when the object is - instantiated before property bindings have been set. For example: + As of QtQuick 1.1, this method accepts an optional \a properties argument that specifies a + map of initial property values for the created object. These values are applied before object + creation is finalized. (This is more efficient than setting property values after object creation, + particularly where large sets of property values are defined, and also allows property bindings + to be set up before the object is created.) - \code component.createObject(parent, {"x": 100, "y": 100, "specialProperty": someObject}); \endcode + The \a properties argument is specified as a map of property-value items. For example, the code + below creates an object with initial \c x and \c y values of 100 and 200, respectively: + + \qml + var component = Qt.createComponent("Button.qml"); + if (component.status == Component.Ready) + component.createObject(parent, {"x": 100, "y": 100}); + \endqml Dynamically created instances can be deleted with the \c destroy() method. See \l {Dynamic Object Management in QML} for more information. @@ -870,7 +880,6 @@ QObject * QDeclarativeComponentPrivate::begin(QDeclarativeContextData *parentCon state->bindValues = enginePriv->bindValues; state->parserStatus = enginePriv->parserStatus; - state->finalizedParserStatus = enginePriv->finalizedParserStatus; state->componentAttached = enginePriv->componentAttached; if (state->componentAttached) state->componentAttached->prev = &state->componentAttached; @@ -878,7 +887,6 @@ QObject * QDeclarativeComponentPrivate::begin(QDeclarativeContextData *parentCon enginePriv->componentAttached = 0; enginePriv->bindValues.clear(); enginePriv->parserStatus.clear(); - enginePriv->finalizedParserStatus.clear(); state->completePending = true; enginePriv->inProgressCreations++; } @@ -909,7 +917,6 @@ void QDeclarativeComponentPrivate::beginDeferred(QDeclarativeEnginePrivate *engi state->bindValues = enginePriv->bindValues; state->parserStatus = enginePriv->parserStatus; - state->finalizedParserStatus = enginePriv->finalizedParserStatus; state->componentAttached = enginePriv->componentAttached; if (state->componentAttached) state->componentAttached->prev = &state->componentAttached; @@ -917,7 +924,6 @@ void QDeclarativeComponentPrivate::beginDeferred(QDeclarativeEnginePrivate *engi enginePriv->componentAttached = 0; enginePriv->bindValues.clear(); enginePriv->parserStatus.clear(); - enginePriv->finalizedParserStatus.clear(); state->completePending = true; enginePriv->inProgressCreations++; } @@ -955,14 +961,17 @@ void QDeclarativeComponentPrivate::complete(QDeclarativeEnginePrivate *enginePri QDeclarativeEnginePrivate::clear(ps); } - for (int ii = 0; ii < state->finalizedParserStatus.count(); ++ii) { - QPair<QDeclarativeGuard<QObject>, int> status = state->finalizedParserStatus.at(ii); - QObject *obj = status.first; - if (obj) { - void *args[] = { 0 }; - QMetaObject::metacall(obj, QMetaObject::InvokeMetaMethod, - status.second, args); + if (1 == enginePriv->inProgressCreations) { + for (int ii = 0; ii < enginePriv->finalizedParserStatus.count(); ++ii) { + QPair<QDeclarativeGuard<QObject>, int> status = enginePriv->finalizedParserStatus.at(ii); + QObject *obj = status.first; + if (obj) { + void *args[] = { 0 }; + QMetaObject::metacall(obj, QMetaObject::InvokeMetaMethod, + status.second, args); + } } + enginePriv->finalizedParserStatus.clear(); } while (state->componentAttached) { @@ -977,7 +986,6 @@ void QDeclarativeComponentPrivate::complete(QDeclarativeEnginePrivate *enginePri state->bindValues.clear(); state->parserStatus.clear(); - state->finalizedParserStatus.clear(); state->completePending = false; enginePriv->inProgressCreations--; @@ -987,7 +995,6 @@ void QDeclarativeComponentPrivate::complete(QDeclarativeEnginePrivate *enginePri enginePriv->erroredBindings->removeError(); } } - } } |