Provide Qt5-style syntax for connectToState

We should not force people to use the string-based connection syntax.
Using modern C++ we can add more convenience here. Unfortunately we
have to duplicate some code from QMetaObject, but this is worth it.

Change-Id: I4daa1f7cfea9feb3de0159636a508ee64a849f55
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/scxml/pinball/mainwindow.cpp b/examples/scxml/pinball/mainwindow.cpp
index f2887f0..9e525c2 100644
--- a/examples/scxml/pinball/mainwindow.cpp
+++ b/examples/scxml/pinball/mainwindow.cpp
@@ -124,7 +124,7 @@ MainWindow::~MainWindow()
 void MainWindow::initAndConnect(const QString &state, QWidget *widget)
 {
     widget->setEnabled(m_machine->isActive(state));
-    m_machine->connectToState(state, widget, SLOT(setEnabled(bool)));
+    m_machine->connectToState(state, widget, &QWidget::setEnabled);
 }
 
 void MainWindow::eventOccurred(const QScxmlEvent &event)