Saving config of a Python plasmoid
kde-plasma, plasmoid, python, qt
Solution
Finally, I can answer this question myself. The above code does actually work and the configuration is stored automagically – as soon as the package has been installed (via plasmapkg) and started by the plasma desktop tools.
This is not the case when the plasmoid is started via plasma-windowed.
Problem
I managed to write a plasmoid using Python with a configuration dialog where one can select a file. I also managed to read out the selected value. But how can I make the selection persistent? I'm pretty sure that there's some KDE/Qt predefined function or way to do it, but I didn't find documentation about this. Here's my code (which can be started with plasma-windowed): metadata.desktop: ``` [Desktop Entry] Encoding=UTF-8 Name=Config Test Type=Service ServiceTypes=Plasma/Applet X-Plasma-API=python X-Plasma-MainScript=code/main.py ``` contents/code/main.py: ``` # -*- coding: utf-8 -*- from PyQt4 import QtCore from PyKDE4.plasma import Plasma from PyKDE4 import plasmascript class configTest(plasmascript.Applet): def __init__(self, parent, args = None): plasmascript.Applet.__init__(self, parent) def init(self): self.setAspectRatioMode(Plasma.IgnoreAspectRatio) def paintInterface(self, painter, option, rect): painter.save() painter.setPen(QtCore.Qt.black) painter.drawText(rect, QtCore.Qt.AlignLeft, str(self.config('main').readEntry('testEntry'))) painter.restore() def CreateApplet(parent): return configTest(parent) ``` contents/ui/config.ui: ``` <?xml version="1.0" encoding="UTF-8"?> <ui version="4.0"> <class>Config</class> <widget class="QWidget" name="verticalLayoutWidget"> <layout class="QVBoxLayout" name="verticalLayout"> <item> <widget class="KUrlRequester" name="kcfg_testEntry"/> </item> </layout> </widget> <resources/> <connections/> </ui> ``` contents/config/main.xml: ``` <?xml version="1.0" encoding="UTF-8"?> <kcfg xmlns="http://www.kde.org/standards/kcfg/1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0 http://www.kde.org/standards/kcfg/1.0/kcfg.xsd"> <kcfgfile name="configTestrc"/> <include>kglobalsettings.h</include> <group name="main"> <entry name="testEntry" type="Url"></entry> </group> </kcfg> ``` Thanks in advance for all help!