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Questions tagged [metaobject]

26 questions
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Generated moc names are not correct

I am working on a Qt based project that uses cmake. All of my generated moc files are named *.moc, but I have some files that their generated moc files have names moc_*.cpp, not *.moc. Why this happens and how I can fix these files. EDIT: I want to…
Wazery
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Why does staticMetaObject.className() return the class name of the parent class?

I have a class 'Default' derived from a class 'Units' and when I do: Default::staticMetaObject.className()) it returns Units instead of Default. Why is that? How can I fix this?
Marc
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Qt trigger signal on all instances of a given class

Typically Qt signals are triggered on a specific instance of a QObject. Is there a way to trigger it on all instances of a specific class via, perhaps, MetaObjects? Or the only way is to maintain your own static list of all instances, perhaps by…
qdot
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In Shopify using GraphQL how should I query a metaobject and a sub-query metaobject in a single query?

I am building a website with Shopify Hydrogen. Using GraphQL I am accessing MetaObjects. The structure of the MetaObject is one field and one sub-MetaObject (a generic, reusable meta object). I wish to have a query that gives me the fields from the…
DanAbdn
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Loop through a metaobject's metafields in Shopify/Liquid

I am trying to loop through a metaobject's metafields in Shopify/Liquid without knowing the specific metafield keys, but can't seem to figure it out. I've successfully grabbed the metaobject, in this case it's referenced on a product via a…
gcoulson
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Shopify: how to access a Shopify metafield using JavaScript in a .liquid file?

I am trying to access a Shopify metafield using JavaScript in a .liquid file. The metafield is a single line text field. {% javascript %} console.log({{product.metafields.custom.sample_name.value}}); {% endjavascript %} Some things I've tried…
mikezn
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Calling method with array or arguments using QueuedConnection

I want to call arbitrary slot of QObject in other thread. I have: | Arguments: | Can use QueuedConnection? QMetaObject::invokeMethod | fixed number | YES qt_metacall | array | NO I…
Vi.
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Find a referenced metaobject for each item in cart

I am using metaobjects and refernce them in certain products. In my cart liquid, I want to loop over the products and find all references to the metaobject. If one is linked to a product in the cart, I need to access additional data in the…
anna
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Metaobject compiler for C

I need write a metaobject compiler for C (like a MOC in Qt). I will add to *.c source own keywords and mechanisms (like slots/signals in Qt). I'll represent this work in three stages: Writing C-code with own constructions Parsing and generation of…
dark
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How can I determine the number and type of metaobjects created?

As far as I've seen, metaobjects are of type: Type-Info Data-Info and ObjectCreator. In a Java application, how does one determine the number and type of metaobjects created? Take for instance the following sample code: public class Dtest extends…
Bogdan Molinger
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QMetaObject Compiler explain?

I am trying to know how Qt implements meta object compiling which enables them to provide signal slot mechanism in Qt. I am not able to finding much details in the documentation. EDIT::I am not able to get the source code of _id =…
Passionate programmer
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