QT += widgets requires(qtConfig(combobox)) HEADERS = mainwindow.h \ stylesheeteditor.h FORMS = mainwindow.ui \ stylesheeteditor.ui RESOURCES = stylesheet.qrc SOURCES = main.cpp \ mainwindow.cpp \ stylesheeteditor.cpp # install target.path = $$[QT_INSTALL_EXAMPLES]/widgets/widgets/stylesheet INSTALLS += target