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KDE: Qactus 1.0, Qt and Syntax Highlighter for Wayland Traces

Submitted by Roy Schestowitz on Monday 26th of November 2018 02:05:57 AM Filed under
KDE
  • Qactus 1.0 is out!

    Here is the next generation of Qactus – it is now an OBS client and not just an OBS notifier.
    The main feature of this release is an OBS browser for exploring and maintaining projects/packages; you can branch or create a project or a package, upload, download or delete files, or check the build log of your favourite package!

  • Automatic QML import by Qt deployment tools

    It was, of course, possible to workaround the issue by copying the missing files to their expected locations with a script or manually. For non-systemwide Qt installations, there was also an option of installing the libraries by side with Qt’s own modules. However, these are still platform-dependent workarounds we shouldn’t rely on long-term.

    I faced this issue when trying to package Kaidan, a Qt Quick XMPP client, as an AppImage. After a discussion with linuxdeployqt’s contributors and some research, I found that internally the tool uses qmlimportscanner to locate the imported modules, but only passes QT_INSTALL_QML (Qt’s own modules location) to the scanner. It was clearly missing an option to list custom import paths, like -qmlimport. That was easy to fix, and so I did.

  • Syntax Highlighter for Wayland Traces

    When debugging window compositing problems with the Wayland client-server protocol, often it is a good idea to set the environment variable “WAYLAND_DEBUG=1” and to take a deep look on the messages that are sent via this protocol. But as always, a lot of output is generated and highlighting can help very much. So far, you could use Johan’s excellent QML based highlighter with many cool features (e.g. rainbow colors for different objects).

    However, in my workflow usually I already have Kate open and simply want to paste a trace therein and to use Kate’s cool syntax highlighting features. So, yesterday I sat down and created an initial set version of highlighting rules for Wayland trace logs. These rules are already merged and will be available with the next KF5 release.

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