https://bugs.kde.org/show_bug.cgi?id=431706
Bug ID: 431706
Summary: DefaultValueGetter for Url type uses fromUserInput
which doesn't handle "qrc:/"
Product: frameworks-kconfig
Version: 5.68.0
Platform: Other
OS: All
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: matt...@mjdsystems.ca
Reporter: m...@dawidwrobel.com
CC: kdelibs-b...@kde.org
Target Milestone: ---
SUMMARY
A default value helper for a kcfg entry of a "Url" type that has a default
value pointing to "qrc:/" Qt resource (which itself is a valid Url) will return
a QUrl object initialized improperly with a malformed "file:qrc:/" value.
This is due to the fact that the helper uses QUrl::fromUserInput() to parse the
provided value, which in turn does not handle the "qrc:/" Urls, and Qt refuses
to make it to. Relevant discussion about fromLocalFile() that behaves
identically here:
https://bugreports.qt.io/browse/QTBUG-44165
The proposed solution is to make the helper detect the qrc:/ substring and
initialize QUrl object directly:
if (urlString.startsWith(QStringLiteral("qrc:/"))) {
return QUrl(urlString));
}
else {
return QUrl::fromUserInput(urlString)
STEPS TO REPRODUCE
1. Add a kcfg entry:
<entry name="SomeConfigSwitch" type="Url">
<default>qrc:/someConfigValue</default>
</entry>
2. Add "DefaultValueGetters=true" to .kcfgc file
3. auto defaultConfigUrlValue =
PluginSettings::defaultSomeConfigSwitchValue().url()
OBSERVED RESULT
Notice that defaultConfigUrlValue is "file:qrc:/someConfigValue"
EXPECTED RESULT
defaultConfigUrlValue should be "qrc:/someConfigValue"
SOFTWARE/OS VERSIONS
Linux: Ubuntu 20.04.1 LTS
KDE Frameworks Version: 5.68
Qt Version: 5.12
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