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Diffstat (limited to 'src/qml/doc/src/qmllanguageref/syntax/signals.qdoc')
| -rw-r--r-- | src/qml/doc/src/qmllanguageref/syntax/signals.qdoc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/qml/doc/src/qmllanguageref/syntax/signals.qdoc b/src/qml/doc/src/qmllanguageref/syntax/signals.qdoc index 32a61d2ebf..b40181b49c 100644 --- a/src/qml/doc/src/qmllanguageref/syntax/signals.qdoc +++ b/src/qml/doc/src/qmllanguageref/syntax/signals.qdoc @@ -54,6 +54,13 @@ Rectangle { } \endqml +\note Even though signal handlers look a bit like JavaScript functions, you + should not call them directly. If you need to share code between signal + handlers and other functionality, refactor it into a separate function. + Otherwise always emit the signal if you want the signal handler to be + called. There can be multiple handlers, in different scopes, for the + same signal. + \section2 Property change signal handlers A signal is automatically emitted when the value of a QML property changes. |