chip.pro Example File
graphicsview/chip/chip.pro
  RESOURCES += images.qrc
  HEADERS += mainwindow.h view.h chip.h
  SOURCES += main.cpp
  SOURCES += mainwindow.cpp view.cpp chip.cpp
  QT += widgets
  qtHaveModule(printsupport): QT += printsupport
  qtHaveModule(opengl): QT += opengl
  build_all:!build_pass {
      CONFIG -= build_all
      CONFIG += release
  }
  # install
  target.path = $$[QT_INSTALL_EXAMPLES]/widgets/graphicsview/chip
  INSTALLS += target