From 1b78e645e160c5350b8c77a36cf5cab4b8ac20c7 Mon Sep 17 00:00:00 2001
From: Rym Bouabid <rym.bouabid@qt.io>
Date: Thu, 21 Sep 2023 13:05:41 +0200
Subject: [PATCH] Revamp Bindable Subscription ex: Create QString using a
 Literal operator

Create QString at compile time using the literal operator""s instead of
using pointer to characters. This way, no conversion or allocation will
occur at runtime.

Task-number: QTBUG-117422
Pick-to: 6.5
Change-Id: I92eed0a371bf6383ddb1e938646029f1c24242bf
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
(cherry picked from commit ed72a5d9e11382f8c5a10924702beed809343809)
---
 .../bindablesubscription/main.cpp              | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/examples/corelib/bindableproperties/bindablesubscription/main.cpp b/examples/corelib/bindableproperties/bindablesubscription/main.cpp
index 86c222a6ab3..519f3de4ef9 100644
--- a/examples/corelib/bindableproperties/bindablesubscription/main.cpp
+++ b/examples/corelib/bindableproperties/bindablesubscription/main.cpp
@@ -14,6 +14,8 @@
 #include <QSpinBox>
 #include <QString>
 
+using namespace Qt::StringLiterals;
+
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
@@ -25,38 +27,38 @@ int main(int argc, char *argv[])
     // when subscription is out of scope so is window
 
     // Initialize subscription data
-    QRadioButton *monthly = w.findChild<QRadioButton *>("btnMonthly");
+    QRadioButton *monthly = w.findChild<QRadioButton *>(u"btnMonthly"_s);
     QObject::connect(monthly, &QRadioButton::clicked, [&] {
         subscription.setDuration(BindableSubscription::Monthly);
     });
-    QRadioButton *quarterly = w.findChild<QRadioButton *>("btnQuarterly");
+    QRadioButton *quarterly = w.findChild<QRadioButton *>(u"btnQuarterly"_s);
     QObject::connect(quarterly, &QRadioButton::clicked, [&] {
         subscription.setDuration(BindableSubscription::Quarterly);
     });
-    QRadioButton *yearly = w.findChild<QRadioButton *>("btnYearly");
+    QRadioButton *yearly = w.findChild<QRadioButton *>(u"btnYearly"_s);
     QObject::connect(yearly, &QRadioButton::clicked, [&] {
         subscription.setDuration(BindableSubscription::Yearly);
     });
 
     // Initialize user data
-    QPushButton *germany = w.findChild<QPushButton *>("btnGermany");
+    QPushButton *germany = w.findChild<QPushButton *>(u"btnGermany"_s);
     QObject::connect(germany, &QPushButton::clicked, [&] {
         user.setCountry(BindableUser::Country::Germany);
     });
-    QPushButton *finland = w.findChild<QPushButton *>("btnFinland");
+    QPushButton *finland = w.findChild<QPushButton *>(u"btnFinland"_s);
     QObject::connect(finland, &QPushButton::clicked, [&] {
         user.setCountry(BindableUser::Country::Finland);
     });
-    QPushButton *norway = w.findChild<QPushButton *>("btnNorway");
+    QPushButton *norway = w.findChild<QPushButton *>(u"btnNorway"_s);
     QObject::connect(norway, &QPushButton::clicked, [&] {
         user.setCountry(BindableUser::Country::Norway);
     });
 
-    QSpinBox *ageSpinBox = w.findChild<QSpinBox *>("ageSpinBox");
+    QSpinBox *ageSpinBox = w.findChild<QSpinBox *>(u"ageSpinBox"_s);
     QBindable<int> ageBindable(ageSpinBox, "value");
     user.bindableAge().setBinding([ageBindable](){ return ageBindable.value();});
 
-    QLabel *priceDisplay = w.findChild<QLabel *>("priceDisplay");
+    QLabel *priceDisplay = w.findChild<QLabel *>(u"priceDisplay"_s);
 
     // Track price changes
 //! [update-ui]