findqt4.cmake

Gaussian Mixture Algorithm

  FIND_PROGRAM(QT_DBUSCPP2XML_EXECUTABLE 
    NAMES qdbuscpp2xml
    PATHS ${QT_BINARY_DIR}
    NO_DEFAULT_PATH
    )

  FIND_PROGRAM(QT_DBUSXML2CPP_EXECUTABLE 
    NAMES qdbusxml2cpp
    PATHS ${QT_BINARY_DIR}
    NO_DEFAULT_PATH
    )

  FIND_PROGRAM(QT_LUPDATE_EXECUTABLE
    NAMES lupdate
    PATHS ${QT_BINARY_DIR}
    NO_DEFAULT_PATH
    )

  FIND_PROGRAM(QT_LRELEASE_EXECUTABLE
    NAMES lrelease
    PATHS ${QT_BINARY_DIR}
    NO_DEFAULT_PATH
    )

  IF (QT_MOC_EXECUTABLE)
     SET(QT_WRAP_CPP "YES")
  ENDIF (QT_MOC_EXECUTABLE)

  IF (QT_UIC_EXECUTABLE)
     SET(QT_WRAP_UI "YES")
  ENDIF (QT_UIC_EXECUTABLE)



  MARK_AS_ADVANCED( QT_UIC_EXECUTABLE QT_UIC3_EXECUTABLE QT_MOC_EXECUTABLE
    QT_RCC_EXECUTABLE QT_DBUSXML2CPP_EXECUTABLE QT_DBUSCPP2XML_EXECUTABLE
    QT_LUPDATE_EXECUTABLE QT_LRELEASE_EXECUTABLE)

  ######################################
  #
  #       Macros for building Qt files
  #
  ######################################

  MACRO (QT4_EXTRACT_OPTIONS _qt4_files _qt4_options)
    SET(${_qt4_files})
    SET(${_qt4_options})
    SET(_QT4_DOING_OPTIONS FALSE)
    FOREACH(_currentArg ${ARGN})
      IF ("${_currentArg}" STREQUAL "OPTIONS")
        SET(_QT4_DOING_OPTIONS TRUE)
      ELSE ("${_currentArg}" STREQUAL "OPTIONS")
        IF(_QT4_DOING_OPTIONS) 
          LIST(APPEND ${_qt4_options} "${_currentArg}")
        ELSE(_QT4_DOING_OPTIONS)
          LIST(APPEND ${_qt4_files} "${_currentArg}")
        ENDIF(_QT4_DOING_OPTIONS)
      ENDIF ("${_currentArg}" STREQUAL "OPTIONS")
    ENDFOREACH(_currentArg) 
  ENDMACRO (QT4_EXTRACT_OPTIONS)
  
  # macro used to create the names of output files preserving relative dirs
  MACRO (QT4_MAKE_OUTPUT_FILE infile prefix ext outfile )
    STRING(LENGTH ${CMAKE_CURRENT_BINARY_DIR} _binlength)
    STRING(LENGTH ${infile} _infileLength)
    SET(_checkinfile ${CMAKE_CURRENT_SOURCE_DIR})
    IF(_infileLength GREATER _binlength)
      STRING(SUBSTRING "${infile}" 0 ${_binlength} _checkinfile)
    ENDIF(_infileLength GREATER _binlength)
    IF(CMAKE_CURRENT_BINARY_DIR MATCHES "${_checkinfile}")
      FILE(RELATIVE_PATH rel ${CMAKE_CURRENT_BINARY_DIR} ${infile})
    ELSE(CMAKE_CURRENT_BINARY_DIR MATCHES "${_checkinfile}")
      FILE(RELATIVE_PATH rel ${CMAKE_CURRENT_SOURCE_DIR} ${infile})
    ENDIF(CMAKE_CURRENT_BINARY_DIR MATCHES "${_checkinfile}")
    SET(_outfile "${CMAKE_CURRENT_BINARY_DIR}/${rel}")
    STRING(REPLACE ".." "__" _outfile ${_outfile})
    GET_FILENAME_COMPONENT(outpath ${_outfile} PATH)
    GET_FILENAME_COMPONENT(_outfile ${_outfile} NAME_WE)
    FILE(MAKE_DIRECTORY ${outpath})
    SET(${outfile} ${outpath}/${prefix}${_outfile}.${ext})
  ENDMACRO (QT4_MAKE_OUTPUT_FILE )

  MACRO (QT4_GET_MOC_INC_DIRS _moc_INC_DIRS)
     SET(${_moc_INC_DIRS})
     GET_DIRECTORY_PROPERTY(_inc_DIRS INCLUDE_DIRECTORIES)

     FOREACH(_current ${_inc_DIRS})
        SET(${_moc_INC_DIRS} ${${_moc_INC_DIRS}} "-I" ${_current})
     ENDFOREACH(_current ${_inc_DIRS})

  ENDMACRO(QT4_GET_MOC_INC_DIRS)

  # helper macro to set up a moc rule
  MACRO (QT4_CREATE_MOC_COMMAND infile outfile moc_includes moc_options)
    # For Windows, create a parameters file to work around command line length limit
    IF (WIN32)
      # Pass the parameters in a file.  Set the working directory to
      # be that containing the parameters file and reference it by
      # just the file name.  This is necessary because the moc tool on
      # MinGW builds does not seem to handle spaces in the path to the
      # file given with the @ syntax.
      GET_FILENAME_COMPONENT(_moc_outfile_name "${outfile}" NAME)
      GET_FILENAME_COMPONENT(_moc_outfile_dir "${outfile}" PATH)
      IF(_moc_outfile_dir)
        SET(_moc_working_dir WORKING_DIRECTORY ${_moc_outfile_dir})
      ENDIF(_moc_outfile_dir)
      SET (_moc_parameters_file ${outfile}_parameters)
      SET (_moc_parameters ${moc_includes} ${moc_options} -o "${outfile}" "${infile}")
      FILE (REMOVE ${_moc_parameters_file})
      FOREACH(arg ${_moc_parameters})
        FILE (APPEND ${_moc_parameters_file} "${arg}\n")
      ENDFOREACH(arg)
      ADD_CUSTOM_COMMAND(OUTPUT ${outfile}
                         COMMAND ${QT_MOC_EXECUTABLE} @${_moc_outfile_name}_parameters
                         DEPENDS ${infile}
                         ${_moc_working_dir}
                         VERBATIM)
    ELSE (WIN32)     
      ADD_CUSTOM_COMMAND(OUTPUT ${outfile}
                         COMMAND ${QT_MOC_EXECUTABLE}
                         ARGS ${moc_includes} ${moc_options} -o ${outfile} ${infile}
                         DEPENDS ${infile})     
    ENDIF (WIN32)
  ENDMACRO (QT4_CREATE_MOC_COMMAND)

  
  MACRO (QT4_GENERATE_MOC infile outfile )
     QT4_GET_MOC_INC_DIRS(moc_includes)
     GET_FILENAME_COMPONENT(abs_infile ${infile} ABSOLUTE)
     QT4_CREATE_MOC_COMMAND(${abs_infile} ${outfile} "${moc_includes}" "")
     SET_SOURCE_FILES_PROPERTIES(${outfile} PROPERTIES SKIP_AUTOMOC TRUE)  # dont run automoc on this file
  ENDMACRO (QT4_GENERATE_MOC)


  # QT4_WRAP_CPP(outfiles inputfile ... )

  MACRO (QT4_WRAP_CPP outfiles )
    # get include dirs
    QT4_GET_MOC_INC_DIRS(moc_includes)
    QT4_EXTRACT_OPTIONS(moc_files moc_options ${ARGN})

    FOREACH (it ${moc_files})
      GET_FILENAME_COMPONENT(it ${it} ABSOLUTE)
      QT4_MAKE_OUTPUT_FILE(${it} moc_ cxx outfile)
      QT4_CREATE_MOC_COMMAND(${it} ${outfile} "${moc_includes}" "${moc_options}")
      SET(${outfiles} ${${outfiles}} ${outfile})
    ENDFOREACH(it)

  ENDMACRO (QT4_WRAP_CPP)


  # QT4_WRAP_UI(outfiles inputfile ... )

  MACRO (QT4_WRAP_UI outfiles )
    QT4_EXTRACT_OPTIONS(ui_files ui_options ${ARGN})

    FOREACH (it ${ui_files})
      GET_FILENAME_COMPONENT(outfile ${it} NAME_WE)
      GET_FILENAME_COMPONENT(infile ${it} ABSOLUTE)
      SET(outfile ${CMAKE_CURRENT_BINARY_DIR}/ui_${outfile}.h)
      ADD_CUSTOM_COMMAND(OUTPUT ${outfile}
        COMMAND ${QT_UIC_EXECUTABLE}
        ARGS ${ui_options} -o ${outfile} ${infile}
        MAIN_DEPENDENCY ${infile})
      SET(${outfiles} ${${outfiles}} ${outfile})
    ENDFOREACH (it)

  ENDMACRO (QT4_WRAP_UI)


  # QT4_ADD_RESOURCES(outfiles inputfile ... )

  MACRO (QT4_ADD_RESOURCES outfiles )
    QT4_EXTRACT_OPTIONS(rcc_files rcc_options ${ARGN})

    FOREACH (it ${rcc_files})
      GET_FILENAME_COMPONENT(outfilename ${it} NAME_WE)
      GET_FILENAME_COMPONENT(infile ${it} ABSOLUTE)
      GET_FILENAME_COMPONENT(rc_path ${infile} PATH)
      SET(outfile ${CMAKE_CURRENT_BINARY_DIR}/qrc_${outfilename}.cxx)
      #  parse file for dependencies 
      #  all files are absolute paths or relative to the location of the qrc file
      FILE(READ "${infile}" _RC_FILE_CONTENTS)
      STRING(REGEX MATCHALL "<file[^<]+" _RC_FILES "${_RC_FILE_CONTENTS}")
      SET(_RC_DEPENDS)
      FOREACH(_RC_FILE ${_RC_FILES})
        STRING(REGEX REPLACE "^<file[^>]*>" "" _RC_FILE "${_RC_FILE}")
        STRING(REGEX MATCH "^/|([A-Za-z]:/)" _ABS_PATH_INDICATOR "${_RC_FILE}")
        IF(NOT _ABS_PATH_INDICATOR)
          SET(_RC_FILE "${rc_path}/${_RC_FILE}")
        ENDIF(NOT _ABS_PATH_INDICATOR)
        SET(_RC_DEPENDS ${_RC_DEPENDS} "${_RC_FILE}")
      ENDFOREACH(_RC_FILE)
      ADD_CUSTOM_COMMAND(OUTPUT ${outfile}
        COMMAND ${QT_RCC_EXECUTABLE}
        ARGS ${rcc_options} -name ${outfilename} -o ${outfile} ${infile}
        MAIN_DEPENDENCY ${infile}
        DEPENDS ${_RC_DEPENDS})
      SET(${outfiles} ${${outfiles}} ${outfile})
    ENDFOREACH (it)

  ENDMACRO (QT4_ADD_RESOURCES)

  MACRO(QT4_ADD_DBUS_INTERFACE _sources _interface _basename)
    GET_FILENAME_COMPONENT(_infile ${_interface} ABSOLUTE)
    SET(_header ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.h)
    SET(_impl   ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.cpp)
    SET(_moc    ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.moc)
  
    ADD_CUSTOM_COMMAND(OUTPUT ${_impl} ${_header}
        COMMAND ${QT_DBUSXML2CPP_EXECUTABLE} -m -p ${_basename} ${_infile}
        DEPENDS ${_infile})
  
    SET_SOURCE_FILES_PROPERTIES(${_impl} PROPERTIES SKIP_AUTOMOC TRUE)
    
    QT4_GENERATE_MOC(${_header} ${_moc})
  
    SET(${_sources} ${${_sources}} ${_impl} ${_header} ${_moc})
    MACRO_ADD_FILE_DEPENDENCIES(${_impl} ${_moc})
  
  ENDMACRO(QT4_ADD_DBUS_INTERFACE)
  
  
  MACRO(QT4_ADD_DBUS_INTERFACES _sources)
     FOREACH (_current_FILE ${ARGN})
        GET_FILENAME_COMPONENT(_infile ${_current_FILE} ABSOLUTE)
        # get the part before the ".xml" suffix
        STRING(REGEX REPLACE "(.*[/\\.])?([^\\.]+)\\.xml" "\\2" _basename ${_current_FILE})
        STRING(TOLOWER ${_basename} _basename)
        QT4_ADD_DBUS_INTERFACE(${_sources} ${_infile} ${_basename}interface)
     ENDFOREACH (_current_FILE)
  ENDMACRO(QT4_ADD_DBUS_INTERFACES)
  
  
  MACRO(QT4_GENERATE_DBUS_INTERFACE _header) # _customName )
    SET(_customName "${ARGV1}")
    GET_FILENAME_COMPONENT(_in_file ${_header} ABSOLUTE)
    GET_FILENAME_COMPONENT(_basename ${_header} NAME_WE)
    
    IF (_customName)
      SET(_target ${CMAKE_CURRENT_BINARY_DIR}/${_customName})
    ELSE (_customName)
      SET(_target ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.xml)
    ENDIF (_customName)
  
    ADD_CUSTOM_COMMAND(OUTPUT ${_target}
        COMMAND ${QT_DBUSCPP2XML_EXECUTABLE} ${_in_file} > ${_target}
        DEPENDS ${_in_file}
    )
  ENDMACRO(QT4_GENERATE_DBUS_INTERFACE)
  
  
  MACRO(QT4_ADD_DBUS_ADAPTOR _sources _xml_file _include _parentClass) # _optionalBasename )
    GET_FILENAME_COMPONENT(_infile ${_xml_file} ABSOLUTE)
    
    SET(_optionalBasename "${ARGV4}")
    IF (_optionalBasename)
       SET(_basename ${_optionalBasename} )
    ELSE (_optionalBasename)
       STRING(REGEX REPLACE "(.*[/\\.])?([^\\.]+)\\.xml" "\\2adaptor" _basename ${_infile})
       STRING(TOLOWER ${_basename} _basename)
    ENDIF (_optionalBasename)

    SET(_optionalClassName "${ARGV5}")
    SET(_header ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.h)
    SET(_impl   ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.cpp)
    SET(_moc    ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.moc)

    IF(_optionalClassName)
       ADD_CUSTOM_COMMAND(OUTPUT ${_impl} ${_header}
          COMMAND ${QT_DBUSXML2CPP_EXECUTABLE} -m -a ${_basename} -c ${_optionalClassName} -i ${_include} -l ${_parentClass} ${_infile}
          DEPENDS ${_infile}
        )
    ELSE(_optionalClassName)
       ADD_CUSTOM_COMMAND(OUTPUT ${_impl} ${_header}
          COMMAND ${QT_DBUSXML2CPP_EXECUTABLE} -m -a ${_basename} -i ${_include} -l ${_parentClass} ${_infile}
          DEPENDS ${_infile}
        )
    ENDIF(_optionalClassName)

    QT4_GENERATE_MOC(${_header} ${_moc})
    SET_SOURCE_FILES_PROPERTIES(${_impl} PROPERTIES SKIP_AUTOMOC TRUE)
    MACRO_ADD_FILE_DEPENDENCIES(${_impl} ${_moc})

    SET(${_sources} ${${_sources}} ${_impl} ${_header} ${_moc})
  ENDMACRO(QT4_ADD_DBUS_ADAPTOR)

   MACRO(QT4_AUTOMOC)
      QT4_GET_MOC_INC_DIRS(_moc_INCS)

      SET(_matching_FILES )
      FOREACH (_current_FILE ${ARGN})

         GET_FILENAME_COMPONENT(_abs_FILE ${_current_FILE} ABSOLUTE)
         # if "SKIP_AUTOMOC" is set to true, we will not handle this file here.
         # This is required to make uic work correctly:
         # we need to add generated .cpp files to the sources (to compile them),
         # but we cannot let automoc handle them, as the .cpp files don't exist yet when
         # cmake is run for the very first time on them -> however the .cpp files might
         # exist at a later run. at that time we need to skip them, so that we don't add two
         # different rules for the same moc file
         GET_SOURCE_FILE_PROPERTY(_skip ${_abs_FILE} SKIP_AUTOMOC)

         IF ( NOT _skip AND EXISTS ${_abs_FILE} )

            FILE(READ ${_abs_FILE} _contents)

            GET_FILENAME_COMPONENT(_abs_PATH ${_abs_FILE} PATH)

            STRING(REGEX MATCHALL "#include +[^ ]+\\.moc[\">]" _match "${_contents}")
            IF(_match)
               FOREACH (_current_MOC_INC ${_match})
                  STRING(REGEX MATCH "[^ <\"]+\\.moc" _current_MOC "${_current_MOC_INC}")
                  GET_FILENAME_COMPONENT(_basename ${_current_MOC} NAME_WE)
                  SET(_header ${_abs_PATH}/${_basename}.h)
                  SET(_moc    ${CMAKE_CURRENT_BINARY_DIR}/${_current_MOC})