Version: unspecified (using KDE 4.6.2) OS: Linux KDE Version is 4.6.3 (please update your KDE Version selection list). Right-click on the Desktop and choose Desktop Settings. Click on Mouse Actions. Change any of the listed Mouse Actions to Application Launcher. Click Apply and OK. Close Desktop Settings - Desktop Shell window. Click the mouse button just configured. Select any application from the Application menu and two instances of that application are launched. Reproducible: Always Steps to Reproduce: See Details above. Actual Results: Two instances of the selected application are launched. Expected Results: One instance of the selected application should launch.
I am having the same issue with 4.6.3, on both archlinux and gentoo
This should be caused by one duplicated line within plasma/generic/containmentactions/applauncher/launch.cpp : connect(m_menu, SIGNAL(triggered(QAction*)), this, SLOT(switchTo(QAction*))); connect(m_menu, SIGNAL(triggered(QAction*)), this, SLOT(switchTo(QAction*))); Please check the patch attatched within following bug report on archlinux.org https://bugs.archlinux.org/task/24263
*** This bug has been marked as a duplicate of bug 272732 ***