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authorBea Lam <bea.lam@nokia.com>2011-01-06 04:10:35 (GMT)
committerBea Lam <bea.lam@nokia.com>2011-01-06 04:10:35 (GMT)
commit1d7b672fd46abab51a0124ad19aad18e5d14f1a8 (patch)
tree2afebeebcd71233f1028e66d93c918b05ad8aa77 /doc
parent57a3d4250ea438b2607d7f62ef26b8b83eb0f66c (diff)
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Update docs - calling overloaded functions from QML is now supported
Diffstat (limited to 'doc')
-rw-r--r--doc/src/declarative/qtbinding.qdoc13
1 files changed, 8 insertions, 5 deletions
diff --git a/doc/src/declarative/qtbinding.qdoc b/doc/src/declarative/qtbinding.qdoc
index 04b8ca6..8ee7247 100644
--- a/doc/src/declarative/qtbinding.qdoc
+++ b/doc/src/declarative/qtbinding.qdoc
@@ -96,7 +96,7 @@ There are a number of ways to extend your QML application through C++. For examp
\list
\o Load a QML component and manipulate it (or its children) from C++
\o Embed a C++ object and its properties directly into a QML component (for example, to make a
-particular C++ object callable from QML, or to replace a dummy list model data with a real data set)
+particular C++ object callable from QML, or to replace a dummy list model with a real data set)
\o Define new QML elements (through QObject-based C++ classes) and create them directly from your
QML code
\endlist
@@ -297,17 +297,20 @@ methods on the \c myObject object, which has been set using QDeclarativeContext:
\snippet doc/src/snippets/declarative/qtbinding/functions-cpp/main.cpp 0
\endtable
-Note that QML does not support overloaded functions. If a C++ has more than one function with the
-same name, there is no guarantee which overloaded function will be called from QML.
+QML supports the calling of overloaded C++ functions. If there are multiple C++ functions with the
+same name but different arguments, the correct function will be called according to the number and
+the types of arguments that are provided.
\section2 Receiving signals
All QML signals are automatically available to C++, and can be connected to using QObject::connect()
-like any ordinary Qt C++ signal.
+like any ordinary Qt C++ signal. In return, any C++ signal can be received by a QML object using
+\l {Signal Handlers}{signal handlers}.
Here is a QML component with a signal named \c qmlSignal. This signal is connected to a C++ object's
-slot using QObject::connect():
+slot using QObject::connect(), so that the \c cppSlot() method is called whenever the \c qmlSignal
+is emitted:
\table
\row