diff options
| author | Leander Beernaert <leander.beernaert@qt.io> | 2020-01-22 13:47:08 +0100 |
|---|---|---|
| committer | Leander Beernaert <leander.beernaert@qt.io> | 2020-01-24 13:17:33 +0100 |
| commit | 502d3d6744913899da87acfda5ebdab42c40329e (patch) | |
| tree | 16658a328503bfd5a62b4fd5d69ffb66e9854b18 /examples/corelib/threads | |
| parent | d1be8b9ceb2c7b20bbe53a07154c79699540ea3d (diff) | |
| parent | 06bb315beb6c2c398223cfe52cbc7f66e14a8557 (diff) | |
Merge remote-tracking branch 'origin/dev' into merge-dev
Change-Id: I31b761cfd5ea01373c60d02a5da8c33398d34739
Diffstat (limited to 'examples/corelib/threads')
| -rw-r--r-- | examples/corelib/threads/doc/src/mandelbrot.qdoc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/examples/corelib/threads/doc/src/mandelbrot.qdoc b/examples/corelib/threads/doc/src/mandelbrot.qdoc index 9e3fdc1dfe..b32fa097b3 100644 --- a/examples/corelib/threads/doc/src/mandelbrot.qdoc +++ b/examples/corelib/threads/doc/src/mandelbrot.qdoc @@ -238,8 +238,7 @@ \snippet threads/mandelbrot/mandelbrotwidget.cpp 1 The interesting part of the constructor is the - qRegisterMetaType() and QObject::connect() calls. Let's start - with the \l{QObject::connect()}{connect()} call. + QObject::connect() call. Although it looks like a standard signal-slot connection between two \l{QObject}s, because the signal is emitted in a different @@ -254,9 +253,10 @@ With queued connections, Qt must store a copy of the arguments that were passed to the signal so that it can pass them to the slot later on. Qt knows how to take of copy of many C++ and Qt - types, but QImage isn't one of them. We must therefore call the - template function qRegisterMetaType() before we can use QImage - as a parameter in queued connections. + types, so, no further action is needed for QImage. + If a custom type was used, a call to the template function + qRegisterMetaType() would be required before the type + could be used as a parameter in queued connections. \snippet threads/mandelbrot/mandelbrotwidget.cpp 2 \snippet threads/mandelbrot/mandelbrotwidget.cpp 3 |