CODEWITHSUNDEEP
qtqmlqt-creatorqtquick2
AeroSun
AeroSun

Reputation: 2571

Why I cant debug qml from qt creator?

I installed the last Qt 5.12.2 . Then I open the cmake project via Qt Creator.

First I see a huge count on the intellisence issues: from "udeclared identifies of nullptr" to errors with each type "unknown type name".

The build proceeded successfully and I receive correct binary.

But any breakpoint marked as "Unclaimed breakpoint" and I cant debug any .qml (the .cpp could be debug)

So why it happens and how to debug the QML? (this future is still supported?)

UPDATE: The "QQmlDebuggingEnabler enabler;" and "doc.qt.io/qt-5/qtquick-debugging.html" doesnt helps :(

UPDATE2: @Amfasis -

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Upvotes: 0

Views: 2136

Answers (1)

Jimmy Chen
Jimmy Chen

Reputation: 520

I created a CMake-based Qt Quick project, and it shown that it supports QML/JS debugging. I checked the CMakeLists.txt, and found one relevant line:

target_compile_definitions(${PROJECT_NAME} PRIVATE $<$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>:QT_QML_DEBUG>)

So I think if you'd like to debug your CMake-based Qt Quick project, you should also add this line to your CMakeLists.txt.

And don't forget to check on enable QML in the project setting within the sector of debugging setting.

Upvotes: 1

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