Hey all, following are the notes from the "New OSD in Plasma 2" discussion we had here at the Plasma sprint.
The basic idea is that the shell should provide a way for certain apps to display a short passive transient notification. That includes things like when user changes brightness, volume, changes the keyboard layout, virtual desktop or activity and possibly few others. This would be handled over DBus with custom QML files doing the rendering. The flow is as follows: user changes volume - kmix sends a dbus signal - plasma has a slot handling that signal - plasma loads the QML file for rendering and puts it on screen with special window class - kwin gives it extra love cause of the win class. We are reluctant to provide a general API which all apps could abuse; that's to be refined after listing all the usecases we want to support. That's all from that session, ask if you have questions. Cheers -- Martin Klapetek | KDE Developer
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