OPTION( QT_USE_QTVIEWER "IfcOpenShell QT GUI Viewer, QT environment required" OFF )

IF (QT_USE_QTVIEWER)

# Find QT header files

SET(QT_MIN_VERSION "4.5.0")

FIND_PACKAGE(Qt4 REQUIRED)

FIND_PACKAGE(Qt4 COMPONENTS QtCore QtGui QtOpenGL)

INCLUDE(${QT_USE_FILE})

SET(CMAKE_PACKAGE_QTGUI TRUE)

# Find QT header files

IF("$ENV{QT_INCLUDE_DIR}" STREQUAL "")

SET(QT_INCLUDE_DIR "/usr/include/QT4/" CACHE FILEPATH "QT4 header files")

MESSAGE(STATUS "Looking for QT4 include files in: ${QT_INCLUDE_DIR}")

MESSAGE(STATUS "Use QT_INCLUDE_DIR to specify another directory")

ELSE()

SET(QT_INCLUDE_DIR $ENV{QT_INCLUDE_DIR} CACHE FILEPATH "QT4 header files")

MESSAGE(STATUS "Looking for QT4 include files in: ${QT_INCLUDE_DIR}")

ENDIF()

INCLUDE_DIRECTORIES(${QT_INCLUDE_DIR})

SET(QTviewer_SRCS

../../src/qtviewer/mainwindow.h

../../src/qtviewer/mainwindow.cpp

../../src/qtviewer/main.cpp

)

SET(QTviewer_MOC_SRCS

../../src/qtviewer/mainwindow.h

)

QT_WRAP_CPP(QTviewer QTviewer_SRCS ${QTviewer_MOC_SRCS})

ADD_EXECUTABLE( QTviewer ${QTviewer_SRCS} ${QTviewer_MOC_SRCS})

#http://www.qtcentre.org/wiki/index.php?title=Compiling_Qt4_apps_with_CMake

TARGET_LINK_libRARIES (QTviewer IfcParse IfcGeom ${QT_LIBRARIES} TKernel TKMath TKBRep TKGeomBase TKGeomAlgo TKG3d TKG2d TKShHealing TKTopAlgo TKMesh TKPrim TKBool TKBO TKFillet)

ENDIF (QT_USE_QTVIEWER)