diff options
author | Alexander Volkov <a.volkov@rusbitech.ru> | 2016-12-20 21:37:37 +0300 |
---|---|---|
committer | Alexander Volkov <a.volkov@rusbitech.ru> | 2016-12-22 14:54:55 +0000 |
commit | fb7bfbf18d91d0bd0f1c88ee6043e3dfa7ae9b9e (patch) | |
tree | 4afb53415fdd372095f3e9abcb7e9f332d01be40 /examples/widgets/itemviews/pixelator/mainwindow.cpp | |
parent | 63e7ff97e960987080e6bda668ba960650dca87f (diff) |
examples: Use QOverload to select overloaded signals and slots
We can use QOverload since Qt 5.7 (it depends on Q_COMPILER_VARIADIC_TEMPLATES
which is required since Qt 5.7).
Use it in the examples to show the best practice.
qOverload currently can't be used because it requires c++14.
Change-Id: I94a3c0db9d551fe169fa3d19c07ec0b329d5946c
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Diffstat (limited to 'examples/widgets/itemviews/pixelator/mainwindow.cpp')
-rw-r--r-- | examples/widgets/itemviews/pixelator/mainwindow.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/examples/widgets/itemviews/pixelator/mainwindow.cpp b/examples/widgets/itemviews/pixelator/mainwindow.cpp index a5a704a864..2a5b572344 100644 --- a/examples/widgets/itemviews/pixelator/mainwindow.cpp +++ b/examples/widgets/itemviews/pixelator/mainwindow.cpp @@ -113,10 +113,9 @@ MainWindow::MainWindow() connect(quitAction, &QAction::triggered, qApp, &QCoreApplication::quit); connect(aboutAction, &QAction::triggered, this, &MainWindow::showAboutBox); //! [4] - typedef void (QSpinBox::*QSpinBoxIntSignal)(int); - connect(pixelSizeSpinBox, static_cast<QSpinBoxIntSignal>(&QSpinBox::valueChanged), + connect(pixelSizeSpinBox, QOverload<int>::of(&QSpinBox::valueChanged), delegate, &PixelDelegate::setPixelSize); - connect(pixelSizeSpinBox, static_cast<QSpinBoxIntSignal>(&QSpinBox::valueChanged), + connect(pixelSizeSpinBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &MainWindow::updateView); //! [4] |