I'm fairly new to Qt (a few months), but am already very impressed by its power and overall quality. I'm also super impressed that the user-base is being asked about what they don't like - so many providers of tools or services just don't want to hear this stuff! So much kudos to the developers for even asking this question.
My biggest gripe is that the Qt Quick object model seems to be much more poorly supported in C++ than it is in QML. For example, in C++ you really only have access to QQuickItem - none of its derived classes are documented, and their interfaces are private - so the only way to manipulate items is using a generic "setProperty" syntax. This is in stark contrast to QML where all the QML types, methods and properties are available to you. When you have an app that builds most of its UI dynamically from C++ code (as ours does), this makes life pretty difficult. I guess this is one area where widgets would score better than Qt Quick (but we still prefer Qt Quick for a number of reasons). I also can't help making a comparison with two other popular layout frameworks: WPF/XAML, and Android/AXML. In both of these worlds, the markup language and the "code-behind" class hierarchy of UI elements are absolutely equivalent 1st class citizens. Anything you can do in XAML, you can also do in the C# code-behind, whether it be creating controls, changing their properties, altering layouts, etc. Likewise in Android/AXML, I can (if I choose) create FrameLayouts, RelativeLayouts, TextViews, etc in code, and arrange them and manipulate them any way I like, as an alternative to creating an AXML designer layout. It seems unfortunate that Qt Quick doesn't take this approach, and that the "code-behind" experience is so limited. One reason that I've heard why it might have been done this way is that a rich and fully public C++ interface may have hamstrung the developers too much, as there would be constant breaking changes from one release to the next. If that's true then I guess I understand that, but I would still rather put up with a rich C++ interface that had breaking changes at new releases, than the relative limited C++ interface we have now. Rob
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