I have this bug after upgrading Ubuntu to 15.04 Vivid. After debug with strace, i deleted ~/.config/Trolltech.conf, "Breeze" theme appeared in qtconfig-qt4 and now Qt4 application looks good. Maybe it help.
I have this bug after upgrading Ubuntu to 15.04 Vivid. After debug with strace, i deleted ~/.config/ Trolltech. conf, "Breeze" theme appeared in qtconfig-qt4 and now Qt4 application looks good. Maybe it help.