Dev Loop

Tero Kojo

Qt Contributors’ Summit 2018 wrap-up

Published Wednesday June 13th, 2018 | 6 Comments on Qt Contributors’ Summit 2018 wrap-up
Posted in Community, Contributors, Dev Loop | Tags: , ,

Qt Contributors’ Summit 2018 is over. Two days of presentations and a lot of discussions during presentations, talk of Qt over coffee and lunch and in restaurants in the evening. A hundred people gathered to think where Qt is heading and where it now is. Oslo showed it’s best with warm and sunny weather. The […]

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Michael Winkelmann

Remote UIs with WebGL and WebAssembly

Published Tuesday June 12th, 2018 | 4 Comments on Remote UIs with WebGL and WebAssembly
Posted in Automation, Dev Loop, Internet of Things, WebGL | Tags: , ,

A frequently requested feature by Qt customers is the possibility to access, view and use a Qt-made UI remotely. However, in contrast to web applications, Qt applications do not offer remote access by nature as communication with the backend usually happens via direct functions call and not over socket-based protocols like HTTP or WebSockets. But […]

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Maurice Kalinowski

Building a Bridge from Qt to DDS

Published Wednesday June 6th, 2018 | 4 Comments on Building a Bridge from Qt to DDS
Posted in Automation, Dev Loop, Embedded, Internet of Things | Tags: ,

In our previous posts, we looked into various aspects of using Qt in a telemetry scenario. Part one focused on reducing message overhead, while part two was about serialization. To demonstrate a typical IoT scenario, we used MQTT as a protocol and the Qt MQTT module available in Qt for Automation. However, the landscape of […]

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Maurice Kalinowski

Serialization in and with Qt

Published Thursday May 31st, 2018 | 17 Comments on Serialization in and with Qt
Posted in Automation, Dev Loop, Embedded, Internet of Things | Tags: , , ,

In our first part of this series, we looked at how to set up messages, combine them, and reduce their overhead in the context of telemetry sensors. This part focuses on the payload of messages and how to optimize them. There are multiple methods to serialize an object with Qt. In part one, we used […]

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Morten Johan Sørvig

Vulkan for Qt on macOS

Published Wednesday May 30th, 2018 | 2 Comments on Vulkan for Qt on macOS
Posted in Dev Loop, Graphics, macOS, Vulkan

Sometimes, development efforts align such that new use cases can be enabled with modest extra effort. The QtBase dev branch (which will become Qt 5.12) now has experimental Vulkan support, courtesy of MoltenVK and prior work in Qt. Let’s take a look at what has happened. Backstory Last year, Laszlo wrote about Vulkan support in […]

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Johan Helsing

What’s new with the Wayland platform plugin in Qt 5.11?

Published Tuesday May 29th, 2018 | 8 Comments on What’s new with the Wayland platform plugin in Qt 5.11?
Posted in Dev Loop, Qt, Wayland | Tags: , ,

Wayland is a display server protocol used on modern Linux systems, the Qt Wayland platform plugin lets Qt applications run on Wayland display servers (compositors). Apart from bug fixes, the Qt 5.11 release contains a substantial amount of improvements, especially for desktop users. Key composition support Support for compose keys has been missing for a […]

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