From 94cf544ab0590b9f38fda8875f678ca7dcdb1a7b Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@qt.io>
Date: Fri, 12 Aug 2022 11:40:32 +0200
Subject: Bluetooth heartrate-game example: Use modern QML registration

Use the modern macros and replace setContextProperty().

Pick-to: 6.4 6.3
Change-Id: If83f8a2dfab13e7c1b3dd18048f633c47709a7b3
Reviewed-by: Juha Vuolle <juha.vuolle@insta.fi>
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
---
 examples/bluetooth/heartrate-game/CMakeLists.txt      |  6 ++++++
 examples/bluetooth/heartrate-game/connectionhandler.h |  3 +++
 examples/bluetooth/heartrate-game/devicefinder.h      |  4 ++++
 examples/bluetooth/heartrate-game/devicehandler.h     |  5 +++++
 examples/bluetooth/heartrate-game/heartrate-game.pro  |  4 ++++
 examples/bluetooth/heartrate-game/main.cpp            | 10 +++++-----
 examples/bluetooth/heartrate-game/qml/main.qml        |  5 +++++
 7 files changed, 32 insertions(+), 5 deletions(-)

(limited to 'examples')

diff --git a/examples/bluetooth/heartrate-game/CMakeLists.txt b/examples/bluetooth/heartrate-game/CMakeLists.txt
index 924e9fc1..42e36390 100644
--- a/examples/bluetooth/heartrate-game/CMakeLists.txt
+++ b/examples/bluetooth/heartrate-game/CMakeLists.txt
@@ -37,6 +37,12 @@ target_link_libraries(heartrate-game PUBLIC
     Qt::Quick
 )
 
+qt_add_qml_module(heartrate-game
+    URI Shared
+    VERSION 1.0
+    NO_RESOURCE_TARGET_PATH
+)
+
 if (APPLE)
     if (IOS)
         set_target_properties(heartrate-game PROPERTIES
diff --git a/examples/bluetooth/heartrate-game/connectionhandler.h b/examples/bluetooth/heartrate-game/connectionhandler.h
index 17d33ba9..052def9f 100644
--- a/examples/bluetooth/heartrate-game/connectionhandler.h
+++ b/examples/bluetooth/heartrate-game/connectionhandler.h
@@ -6,6 +6,8 @@
 
 #include <QBluetoothLocalDevice>
 
+#include <qqml.h>
+
 #include <QObject>
 
 class ConnectionHandler : public QObject
@@ -17,6 +19,7 @@ class ConnectionHandler : public QObject
     Q_PROPERTY(QString address READ address NOTIFY deviceChanged)
     Q_PROPERTY(bool requiresAddressType READ requiresAddressType CONSTANT)
 
+    QML_ELEMENT
 public:
     explicit ConnectionHandler(QObject *parent = nullptr);
 
diff --git a/examples/bluetooth/heartrate-game/devicefinder.h b/examples/bluetooth/heartrate-game/devicefinder.h
index 6f4226a8..860e6066 100644
--- a/examples/bluetooth/heartrate-game/devicefinder.h
+++ b/examples/bluetooth/heartrate-game/devicefinder.h
@@ -9,6 +9,8 @@
 #include <QBluetoothDeviceDiscoveryAgent>
 #include <QBluetoothDeviceInfo>
 
+#include <qqml.h>
+
 #include <QTimer>
 #include <QVariant>
 
@@ -22,6 +24,8 @@ class DeviceFinder: public BluetoothBaseClass
     Q_PROPERTY(bool scanning READ scanning NOTIFY scanningChanged)
     Q_PROPERTY(QVariant devices READ devices NOTIFY devicesChanged)
 
+    QML_ELEMENT
+
 public:
     DeviceFinder(DeviceHandler *handler, QObject *parent = nullptr);
     ~DeviceFinder();
diff --git a/examples/bluetooth/heartrate-game/devicehandler.h b/examples/bluetooth/heartrate-game/devicehandler.h
index 522f8ee8..7c8aa346 100644
--- a/examples/bluetooth/heartrate-game/devicehandler.h
+++ b/examples/bluetooth/heartrate-game/devicehandler.h
@@ -9,6 +9,8 @@
 #include <QLowEnergyController>
 #include <QLowEnergyService>
 
+#include <qqml.h>
+
 #include <QDateTime>
 #include <QList>
 #include <QTimer>
@@ -29,6 +31,9 @@ class DeviceHandler : public BluetoothBaseClass
     Q_PROPERTY(float calories READ calories NOTIFY statsChanged)
     Q_PROPERTY(AddressType addressType READ addressType WRITE setAddressType)
 
+    QML_NAMED_ELEMENT(AddressType)
+    QML_UNCREATABLE("Enum is not a type")
+
 public:
     enum class AddressType {
         PublicAddress,
diff --git a/examples/bluetooth/heartrate-game/heartrate-game.pro b/examples/bluetooth/heartrate-game/heartrate-game.pro
index 02d238ad..f55053b4 100644
--- a/examples/bluetooth/heartrate-game/heartrate-game.pro
+++ b/examples/bluetooth/heartrate-game/heartrate-game.pro
@@ -4,6 +4,10 @@ TARGET = heartrate-game
 QT += qml quick bluetooth
 CONFIG += c++11
 
+CONFIG += qmltypes
+QML_IMPORT_NAME = Shared
+QML_IMPORT_MAJOR_VERSION = 1
+
 HEADERS += \
     connectionhandler.h \
     deviceinfo.h \
diff --git a/examples/bluetooth/heartrate-game/main.cpp b/examples/bluetooth/heartrate-game/main.cpp
index 9722a82f..5e853a4f 100644
--- a/examples/bluetooth/heartrate-game/main.cpp
+++ b/examples/bluetooth/heartrate-game/main.cpp
@@ -44,12 +44,12 @@ int main(int argc, char *argv[])
     DeviceHandler deviceHandler;
     DeviceFinder deviceFinder(&deviceHandler);
 
-    qmlRegisterUncreatableType<DeviceHandler>("Shared", 1, 0, "AddressType", "Enum is not a type");
-
     QQmlApplicationEngine engine;
-    engine.rootContext()->setContextProperty("connectionHandler", &connectionHandler);
-    engine.rootContext()->setContextProperty("deviceFinder", &deviceFinder);
-    engine.rootContext()->setContextProperty("deviceHandler", &deviceHandler);
+    engine.setInitialProperties({
+        {"connectionHandler", QVariant::fromValue(&connectionHandler)},
+        {"deviceFinder", QVariant::fromValue(&deviceFinder)},
+        {"deviceHandler", QVariant::fromValue(&deviceHandler)}
+    });
 
     engine.load(QUrl(QStringLiteral("qrc:/qml/main.qml")));
     if (engine.rootObjects().isEmpty())
diff --git a/examples/bluetooth/heartrate-game/qml/main.qml b/examples/bluetooth/heartrate-game/qml/main.qml
index 8eb26247..44d824fa 100644
--- a/examples/bluetooth/heartrate-game/qml/main.qml
+++ b/examples/bluetooth/heartrate-game/qml/main.qml
@@ -4,6 +4,7 @@
 import QtQuick
 import QtQuick.Window
 import "."
+import Shared
 
 Window {
     id: wroot
@@ -13,6 +14,10 @@ Window {
     title: qsTr("HeartRateGame")
     color: GameSettings.backgroundColor
 
+    required property ConnectionHandler connectionHandler
+    required property DeviceFinder deviceFinder
+    required property AddressType deviceHandler
+
     Component.onCompleted: {
         GameSettings.wWidth = Qt.binding(function() {return width})
         GameSettings.wHeight = Qt.binding(function() {return height})
-- 
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