Hi Aditya, On Friday, 2016-07-01, 23:00:27, Aditya Mehra wrote: > Hi, I am currently trying to create a plasma 5 widget/plasmoid for > interaction with a python application using Dbus. I am using Qml/C++ for > building the plasmoid. I am trying to use K Develop 5 to build the widget > but am facing many errors in the process. > > The plasmoid sends and receives string values to the python application > using QT DBus. The plasmoid builds without error inside KDevelop 5 but the > dbus adaptor is not being initialized and neither are my other classes > within the main function of the plasmoid. Only the QML file is displayed > with no connection to my main function when added to the desktop or tested > with execute in KDevelop 5.
A Plasma Applet is a plugin, which gets loaded by the Plasma host application, e.g. Plasma Shell. As a plugin it doesn't have a "main" function like a program would have, i.e. even if your code has a main() function somewhere it won't be executed since the plugin is not run like an application would. The plugin loader will use some meta data provided by the plugin to decide which class to instantiate when it loads the plugin. You'll need to put your initialization code into that class. I am not an expert on Plasma plugins but from the description of the behavior you are seeing my guess would be that the host application thinks you plugin is loaded through your main QML file. Maybe it will try to instantiate your applet class if you remove the QML hints from your .desktop file. Cheers, Kevin -- Kevin Krammer, KDE developer, xdg-utils developer KDE user support, developer mentoring
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