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I have custom subclass of gtk::Box, I need to make it calculate width based on parent(50% for example) and height using aspect ratio that needs to be specified.

I tried implementing size_allocate using WidgetImpl, but when using println! inside of it nothing happened(I tried calling object.size_allocate but it is different function probably).

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What you need is gtk constraints

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2 Comments

How do I apply my constraint layout?
Ok, so I figured out that I need to set layout manager, thank you.

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