GatherHeadersAndSources.h

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gather_headers_and_sources(){ Name)
  # gather all possible C++ and Qt sources
  if (${ARGC} EQUAL 1)
    file(GLOB_RECURSE HEADERS *.h)
    file(GLOB_RECURSE SRCS *.cpp *.c)
    file(GLOB_RECURSE File_UI *.ui)
    file(GLOB_RECURSE File_QRC *.qrc)
  else()
    # if an optional parameter is used, gather everything from BaseDirectory
    file(GLOB_RECURSE HEADERS ${ARGV1}/*.h )
    file(GLOB_RECURSE SRCS ${ARGV1}/*.cpp *.c)
    file(GLOB_RECURSE File_UI ${ARGV1}/*.ui )
    file(GLOB_RECURSE File_QRC ${ARGV1}/*.qrc )
  endif()

  # manage Qt ui
  qt5_wrap_ui (UI ${File_UI})
  
  # manage Qt resources
  qt5_add_resources(QRC ${File_QRC})

  # find Q_OBJECT derived class
  foreach(HEADER ${HEADERS})
    file(READ ${HEADER} stream)
    if(stream MATCHES "Q_OBJECT")
      set(MOC_SOURCES ${MOC_SOURCES} ${HEADER})
    endif(stream MATCHES "Q_OBJECT")
  endforeach(HEADER)
  
  # On Windows, Visual Studio, organize files in subdirectories
  if(MSVC)
    source_group("Header Files\\UI Files" FILES ${UI})
    source_group("Source Files\\Moc Files" "moc_*")
    source_group("Source Files\\CLI Files" "CommandLineOptions.*")
    source_group("Source Files\\Resources Files" "qrc_*")
    source_group("Source Files\\Resources Files" "*.qrc")
    source_group("UI Files" FILES ${File_UI})
  endif()

  # name all headers
  set (${Name}_HEADERS
      ${HEADERS}
      ${UI}
      ${QRC}
  )

  # name all sources
  set (${Name}_SOURCES
      ${HEADERS}
      ${UI}
      ${QRC}
      ${SRCS}
      ${QT_SRCS}
  )
end(){)