QT += widgets requires(qtConfig(combobox)) HEADERS = iconpreviewarea.h \ iconsizespinbox.h \ imagedelegate.h \ mainwindow.h SOURCES = iconpreviewarea.cpp \ iconsizespinbox.cpp \ imagedelegate.cpp \ main.cpp \ mainwindow.cpp DEFINES += SRCDIR=\\\"$$PWD/\\\" EXAMPLE_FILES = images/* # install target.path = $$[QT_INSTALL_EXAMPLES]/widgets/widgets/icons INSTALLS += target