20.05.2022 
After two years of frustration and delays, Embedded World is finally back and KDAB will be there at the Qt booth, number 258 in Hall 4. As usual we’ll be showing some great demos – updates to some golden oldies, and some brand new ones. Get your free ticket here and come and check them […]
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New KDReports Release Version 2.1.0 is Here
We have just released version 2.1.0 of our KDReports developer tool product. KDReports generates printable and exportable reports from code and from XML descriptions. Developers write the code that integrates KDReports with the rest of the application. External designers or marketing and sales staff can be tasked with creating the report structure, or its appearance. […]
Heaptrack v1.3.0 Release
Version 1.3.0 of the KDE Heaptrack project was just released by KDAB’s Milian Wolff. Heaptrack is a heap memory profiler on Linux-based operating systems. It can help you find hotspots that need to be optimized for reducing memory usage, memory leaks, allocation hotspots, and temporary allocations. Included in this release is a special new feature […]
KDFunctionalSortFilterProxyModel A Functional Sort/Filter Proxy Model
Another day, another small addition to KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff. In this post, we’re going to talk about KDFunctionalSortFilterProxyModel, which is a convenience subclass of QSortFilterProxyModel. What’s a proxy model to begin with, and what’s QSortFilterProxyModel? Well, that explanation requires a bigger space than what I have in this […]
KDDockWidgets 1.5.0 Released
We just released KDDockWidgets 1.5.0! What is KDDockWidgets? KDDockWidgets is a development framework for custom-tailored docking systems in Qt, to use when you need advanced docking that is not supported by QDockWidgets. It was created by Sergio Martins as a time-saving alternative to QDockWidgets. The ease-of-use of KDDockWidgets can save you lots of frustration […]
GammaRay 2.11.3 Released! The Last Release in the 2.11 Series
GammaRay 2.11.3 has been released! GammaRay is KDAB’s software introspection tool for Qt applications. Leveraging the QObject introspection mechanism, it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Version 2.11.3 will be the last in the 2.11 series. After this […]
New Release: KD Reports 2.0.0
Version 2.0.0 of KD Reports has just been released! KD Reports creates all kinds of reports from within Qt applications. These reports are printable and exportable from code and XML descriptions. KD Reports is a developer tool used in source code, but it allows the use of templates that are created by design staff. Reports […]
Improving C++ Development in Visual Studio Code with compile_commands.json and Bear
As described in our previous blog posts, you can use Visual Studio Code as an IDE for C++ projects. It works particularly well with CMake-based projects. Unfortunately, with build systems not supported natively by VS Code, you need to manually configure include paths and compilation definitions, for the code model to work properly. Since the […]
KDDockWidgets 1.4.0 Released!
KDDockWidgets 1.4.0 has been released! KDDockWidgets is a framework for custom-tailored docking systems in Qt. This is a major release with new features and lots of fixes. KDDockWidgets 1.4.0 Overview The big highlights of KDDockWidgets 1.4.0 are the experimental MDI support and the new declarative API for QtQuick: By using MainWindowMDI, you can now have […]
Hotspot: How const Can Improve Performance
Some time ago, I noticed that a unit test was quite slow, using 100% CPU for a number of seconds at one point in the test. I used perf and KDAB’s Hotspot to record and examine where the CPU cycles were spent in that unit test, and I quickly noticed that a lot of time […]