code by pwuertz for single instance apps on Unix in comment
code by pwuertz for single instance apps on Unix in comment

hrobeers/qxtweb-qt5,mmitkevich/libqxt,hrobeers/qxtweb-qt5,mmitkevich/libqxt,hrobeers/qxtweb-qt5,hrobeers/qxtweb-qt5,mmitkevich/libqxt,mmitkevich/libqxt,hrobeers/qxtweb-qt5