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Our engineers and designers share cutting-edge technology news and ideas with regard to Qt, QML, Qt on Android, OpenGL, Qt 3D, Vulkan, Scalable UIs and more embedded, mobile and desktop-related topics.
Right from the start, unu wanted to add a stylish, first-class embedded high-res display to their second generation electric scooter. Like many top-class engineering companies, unu didn’t have in-house expertise for building a modern UI, so they decided to partner with KDAB to build a modern UI based on Qt. In this video you learn […]
KDDockWidgets is an effort by KDAB to provide an advanced docking system for Qt. Throughout the years KDAB has contributed and funded QDockWidget development. Sadly, this wasn’t without pain: each change took many days to implement and an equal amount of time to fix regressions. QDockWidget mixes GUI code with logic/state in a spaghetti manner, […]
As mentioned in the previous article in this series, Qt 3D 5.14 is bringing a number of changes aimed at improving performance. Most people familiar with Qt 3D will know that the API is designed around the construction of a scene graph, creating a hierarchy of Entities, each of them having having any number of […]
Qt 3D makes heavy use of threads, as a way to spread work across CPU cores and maximize throughput, but also to minimize the chances of blocking the main thread. Though nice on paper, the last case eventually leads to added complexity. Sometimes, there are just one too many threads. In the past, we’ve been […]
C++ Russia is the premier C++ conference in East Europe which alternates between Moscow and Saint Petersburg. The conference lasts for two days starting October 31st. It will be held in the Park Inn by Radisson Pulkovskaya Hotel in the heart of Saint Petersburg. This year, the speaker line-up is quite impressive and includes names […]
As you already know KDAB is the largest independent contributor to Qt code. Of course we didn’t get lazy and we’ve added a lot of cool stuff to Qt 5.14. In this article I’m going to write about the super cool stuff that we’ve added to Qt 5.14 for Android. Android multi arch build in […]
With this blog post we are going to kickstart our brand new blog series about KDToolBox. The first class we’re exploring is KDTableToListProxyModel, a table-to-list proxy model. The main use case for KDTableToListProxyModel is exposing tabular models to Qt Quick. Qt Quick has a certain number of “view” elements that only support list models: for […]
At KDAB we invest a significant amount of efforts in research and development. We are always looking for new tooling, libraries and utilities that can make our job easier and improve the C++ and Qt ecosystems. Ultimately, the gained knowledge and skills make our customers happier. As part of this process we develop lots of […]
In the previous two blogs in this series I showed how solving an apparently simple problem about loading a lot of data into RAM using mmap() also turned out to require a solution that improved CPU use across cores. In this blog, I’ll show how we dealt with the bottleneck problems that ensued, and finally, […]
In my last post, I went through a method of creating a simulated reflection with a simple scene. This time I’d like to take the technique and apply it to something a bit more realistic. I have a model of a car that I’d like to show off in KUESA™, and as we know, KUESA […]
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18.11.2019 
