From 3514aedbf36b96f6e03f88c9c7814b6ba50aac8f Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Sun, 3 Feb 2019 19:55:51 +0100
Subject: QtWidgets documentation: cleanup

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

Change-Id: I621b1ddac108d3df676209241d93d9b4f04a25fe
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
---
 .../doc/snippets/qtablewidget-using/mainwindow.cpp   | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

(limited to 'src/widgets/doc/snippets/qtablewidget-using')

diff --git a/src/widgets/doc/snippets/qtablewidget-using/mainwindow.cpp b/src/widgets/doc/snippets/qtablewidget-using/mainwindow.cpp
index 15b9457dd5..47b63b2b3f 100644
--- a/src/widgets/doc/snippets/qtablewidget-using/mainwindow.cpp
+++ b/src/widgets/doc/snippets/qtablewidget-using/mainwindow.cpp
@@ -48,8 +48,8 @@
 **
 ****************************************************************************/
 
-#include <QtGui>
-#include "math.h"
+#include <QtWidgets>
+#include <math.h>
 
 #include "mainwindow.h"
 
@@ -89,9 +89,9 @@ MainWindow::MainWindow()
     tableWidget->setHorizontalHeaderItem(1, squaresHeaderItem);
     tableWidget->setHorizontalHeaderItem(2, cubesHeaderItem);
 
-    connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
-    connect(sumItemsAction, SIGNAL(triggered()), this, SLOT(sumItems()));
-    connect(averageItemsAction, SIGNAL(triggered()), this, SLOT(averageItems()));
+    connect(quitAction, &QAction::triggered, this, &QWidget::close);
+    connect(sumItemsAction, &QAction::triggered, this, &MainWindow::sumItems);
+    connect(averageItemsAction, &QAction::triggered, this, &MainWindow::averageItems);
 
     setupTableItems();
 
@@ -119,12 +119,11 @@ void MainWindow::setupTableItems()
 
 void MainWindow::averageItems()
 {
-    QList<QTableWidgetItem *> selected = tableWidget->selectedItems();
-    QTableWidgetItem *item;
+    const QList<QTableWidgetItem *> selected = tableWidget->selectedItems();
     int number = 0;
     double total = 0;
 
-    foreach (item, selected) {
+    for (QTableWidgetItem *item : selected) {
         bool ok;
         double value = item->text().toDouble(&ok);
 
@@ -140,12 +139,11 @@ void MainWindow::averageItems()
 void MainWindow::sumItems()
 {
 //! [4]
-    QList<QTableWidgetItem *> selected = tableWidget->selectedItems();
-    QTableWidgetItem *item;
+    const QList<QTableWidgetItem *> selected = tableWidget->selectedItems();
     int number = 0;
     double total = 0;
 
-    foreach (item, selected) {
+    for (QTableWidgetItem *item : selected) {
         bool ok;
         double value = item->text().toDouble(&ok);
 
-- 
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