diff options
Diffstat (limited to 'src/qml/doc/src/cppintegration/topic.qdoc')
| -rw-r--r-- | src/qml/doc/src/cppintegration/topic.qdoc | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/qml/doc/src/cppintegration/topic.qdoc b/src/qml/doc/src/cppintegration/topic.qdoc index 48911bc774..b14c54a24e 100644 --- a/src/qml/doc/src/cppintegration/topic.qdoc +++ b/src/qml/doc/src/cppintegration/topic.qdoc @@ -5,8 +5,9 @@ \page qtqml-cppintegration-overview.html \title Overview - QML and C++ Integration \brief Highlights important points about integrating C++ with QML. +\ingroup explanations-programminglanguages -QML is designed to be easily extensible through C++ code. The classes in the \l {Qt QML} module +QML is designed to be easily extensible through C++ code. The classes in the \l {Qt Qml} module enable QML objects to be loaded and manipulated from C++, and the nature of QML engine's integration with Qt's \l{Meta Object System}{meta object system} enables C++ functionality to be invoked directly from QML. This allows the development of hybrid applications which are implemented @@ -20,7 +21,7 @@ with QML and JavaScript within \l{qtqml-documents-topic.html}{QML documents}, an C++ \li Use and invoke some C++ functionality from QML (for example, to invoke your application logic, use a data model implemented in C++, or call some functions in a third-party C++ library) -\li Access functionality in the \l {Qt QML} or \l {Qt Quick} C++ API (for example, to dynamically generate +\li Access functionality in the \l {Qt Qml} or \l {Qt Quick} C++ API (for example, to dynamically generate images using QQuickImageProvider) \li Implement your own \l{qtqml-typesystem-objecttypes.html}{QML object types} from C++ \unicode{0x2014} whether for use within your own specific application, or for distribution to others @@ -48,11 +49,15 @@ methods and signals to be accessed from QML These are the most common methods of accessing C++ functionality from QML code; for more options and details, see the main documentation pages that are described in the sections further below. -Additionally, aside from the ability to access C++ functionality from QML, the \l {Qt QML} module also +Additionally, aside from the ability to access C++ functionality from QML, the \l {Qt Qml} module also provides ways to do the reverse and manipulate QML objects from C++ code. See \l{qtqml-cppintegration-interactqmlfromcpp.html}{Interacting with QML Objects from C++} for more details. +It is often desirable to expose some state as global properties to QML. +\l{qtqml-cppintegration-exposecppstate.html}{Exposing State from C++ to QML} +describes how to do this. + Finally, the C++ code may be integrated into either a C++ application or a C++ plugin depending on whether it is to be distributed as a standalone application or a library. A plugin can be integrated with a QML module that can then be imported and used by QML code in other applications; see @@ -90,7 +95,7 @@ registered for other purposes: for example, it could be registered as a \e {Sing single class instance to be imported by QML code, or it could be registered to enable the enumeration values of a non-instantiable class to be accessible from QML. -Additionally, the \l {Qt QML} module provides mechanisms to define QML types that integrate with QML +Additionally, the \l {Qt Qml} module provides mechanisms to define QML types that integrate with QML concepts like attached properties and default properties. For more information on registering and creating custom QML types from C++, see the \l @@ -101,7 +106,7 @@ For more information on registering and creating custom QML types from C++, see C++ objects and values can be embedded directly into the context (or \e scope) of loaded QML objects using \e {context properties} and \e {context objects}. This is achieved through the QQmlContext -class provided by the \l {Qt QML} module, which exposes data to the context of a QML component, allowing +class provided by the \l {Qt Qml} module, which exposes data to the context of a QML component, allowing data to be injected from C++ into QML. See \l{qtqml-cppintegration-contextproperties.html}{Embedding C++ Objects into QML with Context @@ -118,7 +123,8 @@ dynamically load and introspect objects through the Qt meta object system. \include warning.qdocinc For more information on accessing QML objects from C++, see the documentation on -\l{qtqml-cppintegration-interactqmlfromcpp.html}{Interacting with QML Objects from C++}. +\l{qtqml-cppintegration-interactqmlfromcpp.html}{Interacting with QML Objects from C++}, +and the \l {Exposing Data from C++ to QML} section of the Best Practices page. \section1 Data Type Conversion Between QML and C++ |