From 667eb57169dfb0785baddf85d7889122f11d8f3e Mon Sep 17 00:00:00 2001
From: Eike Ziller <eike.ziller@qt.io>
Date: Wed, 13 Feb 2019 15:57:01 +0100
Subject: [PATCH] UI Introduction: Allow left cursor key for "back"

Or right cursor in case of right-to-left layout direction

Change-Id: I058ad4ecc5e07f572cf16abc8a94da430b65fda3
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
---
 src/plugins/welcome/introductionwidget.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/plugins/welcome/introductionwidget.cpp b/src/plugins/welcome/introductionwidget.cpp
index d0c993b6e8a..d10cb76be2f 100644
--- a/src/plugins/welcome/introductionwidget.cpp
+++ b/src/plugins/welcome/introductionwidget.cpp
@@ -31,6 +31,7 @@
 #include <utils/stylehelper.h>
 
 #include <QEvent>
+#include <QGuiApplication>
 #include <QKeyEvent>
 #include <QLabel>
 #include <QPainter>
@@ -349,8 +350,17 @@ void IntroductionWidget::keyPressEvent(QKeyEvent *ke)
 {
     if (ke->key() == Qt::Key_Escape)
         finish();
-    else if (ke->modifiers() == Qt::NoModifier)
-        step();
+    else if ((ke->modifiers()
+              & (Qt::ControlModifier | Qt::AltModifier | Qt::ShiftModifier | Qt::MetaModifier))
+             == Qt::NoModifier) {
+        const Qt::Key backKey = QGuiApplication::isLeftToRight() ? Qt::Key_Left : Qt::Key_Right;
+        if (ke->key() == backKey) {
+            if (m_step > 0)
+                setStep(m_step - 1);
+        } else {
+            step();
+        }
+    }
 }
 
 void IntroductionWidget::mouseReleaseEvent(QMouseEvent *me)