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KDE: Akademy, Kalendar (GSoC 2021)

Submitted by Roy Schestowitz on Sunday 20th of June 2021 11:37:27 AM Filed under
KDE
  • Akademy 2021 – II

    I was able to see a few more presentations than anticipated. The most inspiring was the one given by Patricia Aas I Can’t Work Like This. Based on a fictive story (with a lot of real background) she explained the Cynefin framework No, this is not a new UI or Qt based framework. The idea of the Cynefin framework is that it offers decision-makers a “sense of place” from which to view their perceptions. Unfortunately, I missed Nicolas Fella’s What’s cooking for KDE Frameworks 6. Coincidentally, I was preparing dinner at the time. This also cost me the first minutes of Dan Vratil’s C++ Coroutines and Qt. I compensated that by watching Dave Edmundson’s talk about Wayland for Qt application developers. Until yesterday, I thought Qt will abstract everything away from the application and we don’t have to do anything within KMyMoney, but now I know better. Thanks Dave. Guess I have to start playing with Wayland then in the near future just to avoid surprises in the future.

  • KDE Akademy 2021 Video Streams As Developers Discuss Wayland, Frameworks 6, Qt

    The virtual KDE Akademy 2021 conference kicked off on Friday and runs through the 25th. This annual summertime event of the KDE desktop community is attended by hundreds but again carried out online due to the pandemic.

    For those wishing to enjoy the recordings from this KDE developer conference, there is a YouTube playlist for all Akademy 2021 content.

  • Week 2 on Kalendar (GSoC 2021)

    This week’s MR involved a big refactor of the linkage between the front-end of the reminder and attendee addition UI and the back-end stuff going on.

    All this stuff now happens with models, and changes in each of the fields gets added to the models. This means that anything that you see in the UI should directly reflect whatever is present in the actual event — you won’t see a reminder and attendee that isn’t actually in the event. The benefits of having a single source of truth!

    The UI for each attendee’s details has also changed, and it now allows you to select the attendee’s status (i.e. have they RSVPed?) and it also lets you request an RSVP from the attendee.

»

Akademy 2021 - Day 2

Submitted by Roy Schestowitz on Sunday 20th of June 2021 02:54:59 PM.

  • Akademy 2021 - Day 2

    First thing in the morning, Aleix Pol, president of KDE, introduced the event at and explained how Akademy 2021 was still "special" because we could still not meet in person.

    Aleix then introduced the first keynote speaker of the event: Patricia Aas, co-founder of TurtleSec and a C++ developer and trainer. In her talk, Patricia explored bugs, types of bugs, how to deal with the secondary problems bugs create.

    Then Aleix was back with his own talk, in which he told us about KDE's "All about the apps" goal. The goal encourages community members to develop, improve and help distribute KDE apps. Thism it turns out, is especially important for new KDE environments, such as Plasma Mobile! He explained how the goal is going and encouraged people to join the effort.

Akademy 2021

Submitted by Roy Schestowitz on Tuesday 22nd of June 2021 09:39:04 PM.
  • Akademy 2021

    The Corona loads inside its scene QGraphicsWidgets objects called Containments, and manages views for each containment: every containment that is associanted to a phisical screen, will have a correspondece 1:1 with a view and views can be eother of Desktop type or Panel type

    Each Containment can contain many Applets, which will be either desktop widgets or panel components like the start menu, task manager and so on, and containment itself is a particular type of Applet, so it’s a subclass of it.

    Applets own a Package of files, together they form a Plasmoid. Plasma::Package was then splitted out of Plasma-framework and became the KPackage framework

    In this way is possible for the user to build its own perfect desktop ui out of a vast choice of pieces.

    In KDE4 times, Plasma supported a wide variety of bindigs, even if most of the applets were implemented in C++
    We had pure javascript (before QML wasa thing), Python, Ruby and later we added QML support.

    In Plasma5 things changed quite a lot, as it was obvious that QML was going to be the future, and qgraphicsview was having huge performance problems (when resizing large applets it could go down even to 4-5 fps)

    So we went all with the QML scenegraph, having much faster and hardware accelerated things in the process.
    Corona, Containment and Applet are no more graphical objects but judt QObjects that manage only logic, not the visualization having a better separation
    On the downside that meant that the qml binding became the only way to write plasmoids, losing the possibility for using Python and Ruby, but all the binding infrastructure remained there, which became a significant overhead without a real reason.

    So now with KF6 coming: What parts of the Plasma architecture are still needed and mostly ok? what are kinda redundant and not necessary anymore? should we split something? how we can improve things in general?

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