QtGui documentation: cleanup

Cleanup the QtGui documentation:
 - use new signal/slot syntax
 - use range-based for loop instead foreach

Change-Id: Id49ff2cbe78f28a06ca0fb63e6ca6f7dc2736f7b
Reviewed-by: Frederik Gladhorn <[email protected]>
Reviewed-by: Paul Wicking <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/doc/snippets/textdocument-printing/mainwindow.cpp b/src/gui/doc/snippets/textdocument-printing/mainwindow.cpp
index 40459b49da6..a7bd90a9f16 100644
--- a/src/gui/doc/snippets/textdocument-printing/mainwindow.cpp
+++ b/src/gui/doc/snippets/textdocument-printing/mainwindow.cpp
@@ -74,7 +74,7 @@ MainWindow::MainWindow()
     document = new QTextDocument(this);
     editor->setDocument(document);
 
-    connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus()));
+    connect(editor, &QTextEdit::selectionChanged, this, &MainWindow::updateMenus);
 
     setCentralWidget(editor);
     setWindowTitle(tr("Text Document Writer"));