From 3363398802fd224ff0557a3d9595baa45969e36c Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Date: Fri, 28 Aug 2015 09:29:45 +0200
Subject: [PATCH] Polish the systray example.
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- Port it to new connection syntax.
- Replace module include by class includes.

Change-Id: I1b8d682bb7bb2e05b6b2b77a9c0d01730ea09cf2
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
---
 examples/widgets/desktop/systray/window.cpp | 25 +++++++++++----------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/examples/widgets/desktop/systray/window.cpp b/examples/widgets/desktop/systray/window.cpp
index b212dc440d9..931e443de78 100644
--- a/examples/widgets/desktop/systray/window.cpp
+++ b/examples/widgets/desktop/systray/window.cpp
@@ -42,11 +42,11 @@
 
 #ifndef QT_NO_SYSTEMTRAYICON
 
-#include <QtGui>
-
 #include <QAction>
 #include <QCheckBox>
 #include <QComboBox>
+#include <QCoreApplication>
+#include <QCloseEvent>
 #include <QGroupBox>
 #include <QLabel>
 #include <QLineEdit>
@@ -68,12 +68,13 @@ Window::Window()
     createActions();
     createTrayIcon();
 
-    connect(showMessageButton, SIGNAL(clicked()), this, SLOT(showMessage()));
-    connect(showIconCheckBox, SIGNAL(toggled(bool)), trayIcon, SLOT(setVisible(bool)));
-    connect(iconComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(setIcon(int)));
-    connect(trayIcon, SIGNAL(messageClicked()), this, SLOT(messageClicked()));
-    connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
-            this, SLOT(iconActivated(QSystemTrayIcon::ActivationReason)));
+    connect(showMessageButton, &QAbstractButton::clicked, this, &Window::showMessage);
+    connect(showIconCheckBox, &QAbstractButton::toggled, trayIcon, &QSystemTrayIcon::setVisible);
+    typedef void (QComboBox::*QComboIntSignal)(int);
+    connect(iconComboBox, static_cast<QComboIntSignal>(&QComboBox::currentIndexChanged),
+            this, &Window::setIcon);
+    connect(trayIcon, &QSystemTrayIcon::messageClicked, this, &Window::messageClicked);
+    connect(trayIcon, &QSystemTrayIcon::activated, this, &Window::iconActivated);
 
     QVBoxLayout *mainLayout = new QVBoxLayout;
     mainLayout->addWidget(iconGroupBox);
@@ -245,16 +246,16 @@ void Window::createMessageGroupBox()
 void Window::createActions()
 {
     minimizeAction = new QAction(tr("Mi&nimize"), this);
-    connect(minimizeAction, SIGNAL(triggered()), this, SLOT(hide()));
+    connect(minimizeAction, &QAction::triggered, this, &QWidget::hide);
 
     maximizeAction = new QAction(tr("Ma&ximize"), this);
-    connect(maximizeAction, SIGNAL(triggered()), this, SLOT(showMaximized()));
+    connect(maximizeAction, &QAction::triggered, this, &QWidget::showMaximized);
 
     restoreAction = new QAction(tr("&Restore"), this);
-    connect(restoreAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+    connect(restoreAction, &QAction::triggered, this, &QWidget::showNormal);
 
     quitAction = new QAction(tr("&Quit"), this);
-    connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
+    connect(quitAction, &QAction::triggered, qApp, &QCoreApplication::quit);
 }
 
 void Window::createTrayIcon()
-- 
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