qt_add_qml_module: Make usage of AUTO_RESOURCE_PREFIX a policy

Writing AUTO_RESOURCE_PREFIX in every qt_add_qml_module call seems
rather pointless.

In addition:
- Add documentation for QTP0001.
- Adjust some of the examples to use QTP0001 policy.
- Improved the error message.

Pick-to: 6.5
Task-number: QTBUG-96233
Change-Id: I6e19a491acba97493893bf1953fca3462296c1ea
Reviewed-by: Alexandru Croitor <[email protected]>
Reviewed-by: Leena Miettinen <[email protected]>

3 files changed, 3 insertions, 3 deletions

diff --git a/examples/quickcontrols/chattutorial/chapter3/CMakeLists.txt b/examples/quickcontrols/chattutorial/chapter3/CMakeLists.txt
index e55597f2c8..92ac5683fd 100644
--- a/examples/quickcontrols/chattutorial/chapter3/CMakeLists.txt
+++ b/examples/quickcontrols/chattutorial/chapter3/CMakeLists.txt
@@ -25,7 +25,7 @@ target_link_libraries(chattutorial-chapter3 PRIVATE
     Qt::Quick
 )
 
-# Resources:
+qt_policy(SET QTP0001 NEW)
 qt_add_qml_module(chattutorial-chapter3
     URI chapter3
     QML_FILES
diff --git a/examples/quickcontrols/chattutorial/chapter3/chapter3.pro b/examples/quickcontrols/chattutorial/chapter3/chapter3.pro
index 9a4c5b5703..5314e2dd36 100644
--- a/examples/quickcontrols/chattutorial/chapter3/chapter3.pro
+++ b/examples/quickcontrols/chattutorial/chapter3/chapter3.pro
@@ -21,7 +21,7 @@ resources.files = \
     images/[email protected] \
     images/[email protected] \
     main.qml
-resources.prefix = chapter3/
+resources.prefix = qt/qml/chapter3/
 RESOURCES += resources \
     qtquickcontrols2.conf
 
diff --git a/examples/quickcontrols/chattutorial/chapter3/main.cpp b/examples/quickcontrols/chattutorial/chapter3/main.cpp
index 4347d3ff6c..71e250bed5 100644
--- a/examples/quickcontrols/chattutorial/chapter3/main.cpp
+++ b/examples/quickcontrols/chattutorial/chapter3/main.cpp
@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
     QGuiApplication app(argc, argv);
 
     QQmlApplicationEngine engine;
-    engine.load(QUrl(QStringLiteral("qrc:/chapter3/main.qml")));
+    engine.load(QUrl(QStringLiteral("qrc:/qt/qml/chapter3/main.qml")));
 
     return app.exec();
 }