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, 5 insertions, 5 deletions

diff --git a/src/gui/doc/snippets/draganddrop/mainwindow.cpp b/src/gui/doc/snippets/draganddrop/mainwindow.cpp
index 551114856e6..11311a0b57b 100644
--- a/src/gui/doc/snippets/draganddrop/mainwindow.cpp
+++ b/src/gui/doc/snippets/draganddrop/mainwindow.cpp
@@ -48,7 +48,7 @@
 **
 ****************************************************************************/
 
-#include <QtGui>
+#include <QtWidgets>
 
 #include "dragwidget.h"
 #include "mainwindow.h"
@@ -64,10 +64,10 @@ MainWindow::MainWindow(QWidget *parent)
     QLabel *dataLabel = new QLabel(tr("Amount of data (bytes):"), centralWidget);
     dragWidget = new DragWidget(centralWidget);
 
-    connect(dragWidget, SIGNAL(mimeTypes(QStringList)),
-            this, SLOT(setMimeTypes(QStringList)));
-    connect(dragWidget, SIGNAL(dragResult(QString)),
-            this, SLOT(setDragResult(QString)));
+    connect(dragWidget, &DragWidget::mimeTypes,
+            this, &MainWindow::setMimeTypes);
+    connect(dragWidget, &DragWidget:dragResult,
+            this, &MainWindow::setDragResult);
 
     QVBoxLayout *mainLayout = new QVBoxLayout(centralWidget);
     mainLayout->addWidget(mimeTypeLabel);