I can also confirm this.
The problem only affects applications based on kdelibs4, KDE 5 applications properly accept single clicks.
There are upstream bugs concerning this issue, but Plasma 5.2 should have fixed it:
https://bugs.kde.org/show_bug.cgi?id=343418 https://bugs.kde.org/show_bug.cgi?id=346946
So apparently it's a Kubuntu-specific issue? Or the assumption stated in https://bugs.kde.org/show_bug.cgi?id=346946#c3 is wrong.
I can also confirm this.
The problem only affects applications based on kdelibs4, KDE 5 applications properly accept single clicks.
There are upstream bugs concerning this issue, but Plasma 5.2 should have fixed it:
https:/ /bugs.kde. org/show_ bug.cgi? id=343418 /bugs.kde. org/show_ bug.cgi? id=346946
https:/
So apparently it's a Kubuntu-specific issue? Or the assumption stated in https:/ /bugs.kde. org/show_ bug.cgi? id=346946# c3 is wrong.