18.10.2018 
In the last episode of this series we discussed QAbstractItemModel::checkIndex(). QAbstractItemModel::checkIndex() is a function added in Qt 5.11 that allows developers of model classes to perform some validity checks on the QModelIndex objects passed to the model; specifically, on the indices passed to the APIs that model classes need to implement (rowCount(), columnCount(), data, setData(), […]
QtDevelopment Get the RSS Feed
for feeds to planetqt and planetkde
KDAB demos at Qt World Summit, Boston October 29th to 30th
KDAB is the main sponsor at Qt World Summit. In Boston, we’ll be co-hosting a training day on October 29th, offering both Introductory and Advanced one day training classes at a knock-down price. Find out more here. On October 30th, you can listen to two talks from KDAB experts: Creating compelling blended 2D/3D applications – a […]
KDAB at Qt Contributors' Summit June 11th and 12th, Norway
A major contributor to Qt, KDAB was glad to be a key sponsor at Qt Contributors’ Summit this June. About 80 committed developers met in Oslo to talk about the latest developments in the Qt framework, enjoying beautiful weather in Oslo, and of course, the coffee. The most important topics included the first early ideas […]
KDAB at Qt Contributor's Summit 2018, Oslo 11-12 June
KDAB is a major sponsor of this event and a key independent contributor to Qt as our blogs attest. Every year, dedicated Qt contributors gather at Qt Contributors’ Summit to share with their peers latest knowledge and best practices, ensuring that the Qt framework stays at the top of its game. Be a Contributor to […]
New in Qt 5.11: improvements to the model/view APIs (part 1)
The Qt model/view APIs are used throughout Qt — in Qt Widgets, in Qt Quick, as well as in other non-GUI code. As I tell my students when I deliver Qt trainings: mastering the usage of model/view classes and functions is mandatory knowledge, any non-trivial Qt application is going to be data-driven, with the data […]
Certifiably Qt Qt and software certification
Expanding your team’s software development capacity is something that most managers will encounter at some point in their careers. There are several ways to do this – three of the most common options are hiring new employees, using a service company, or incorporating onsite contractors. Regardless of which route you choose to go, software certifications […]
New in Qt 5.10: QThread::create
If you are using Qt and you need to run some code in a separate thread, chances are that you are using QThread for the job. QThread is a very old class in Qt, making its first appearance in Qt 2.2, released on the 22nd of September 2000. Its responsibility is to start a new […]
Writing a Custom Qt 3D Aspect – part 2 Setting up the backend and communications
Introduction In the previous article we gave an overview of the process for creating a custom aspect and showed how to create (most of) the front end functionality. In this article we shall continue building our custom aspect by implementing the corresponding backend types, registering the types and setting up communication from the frontend to […]
Writing a Custom Qt 3D Aspect – part 1 Extending Qt 3D via Aspects
Introduction Qt 3D has a flexible and extensible architecture that allows us to easily add our own new functionality to it without disrupting the existing features. The functionality of Qt 3D is divided among so-called aspects, each of which encapsulates a particular subject domain such as rendering, input, or animation. This short series of articles […]
KDAB talks at Qt World Summit expert insights across the stack, Oct 11-12
On Wednesday, October 11th 13:30 QtStringViews, QtStringViews everywhere, by Marc Mutz on the use and emerging patterns in QtStringview. 13:55 What’s New in Qt 3D? by Sean Harmer describing all the new features in Qt 3D 5.8/5.9 and what’s in development for Qt 3D 5.10 and beyond. QML-driven HMI Architectures for Rolling Embedded Devices by Christopher Sterz revealing […]