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, 4 insertions, 4 deletions

diff --git a/src/gui/doc/snippets/textdocument-frames/mainwindow.cpp b/src/gui/doc/snippets/textdocument-frames/mainwindow.cpp
index f15ad45f2e5..edfadb4c770 100644
--- a/src/gui/doc/snippets/textdocument-frames/mainwindow.cpp
+++ b/src/gui/doc/snippets/textdocument-frames/mainwindow.cpp
@@ -48,7 +48,7 @@
 **
 ****************************************************************************/
 
-#include <QtGui>
+#include <QtWidgets>
 
 #include "mainwindow.h"
 #include "xmlwriter.h"
@@ -64,7 +64,7 @@ MainWindow::MainWindow()
     quitAction->setShortcut(tr("Ctrl+Q"));
 
     menuBar()->addMenu(fileMenu);
-    editor = new QTextEdit();
+    editor = new QTextEdit;
 
     QTextCursor cursor(editor->textCursor());
     cursor.movePosition(QTextCursor::Start);
@@ -130,8 +130,8 @@ MainWindow::MainWindow()
                       plainCharFormat);
 
 
-    connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile()));
-    connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
+    connect(saveAction, &QAction::triggered, this, &MainWindow::saveFile);
+    connect(quitAction, &QAction::triggered, this, &MainWindow::close);
 
     setCentralWidget(editor);
     setWindowTitle(tr("Text Document Frames"));