include (ACGCommon)

if ( NOT DEFINED BUILD_APPS )
  set( BUILD_APPS true CACHE BOOL "Enable or disable building of apps" )
endif()
 
if ( BUILD_APPS )

# Only call fixbundle, when we are building OpenMesh standalone
if(${PROJECT_NAME} MATCHES "OpenMesh")


  add_subdirectory (Dualizer)
  add_subdirectory (Decimating/commandlineDecimater)
  add_subdirectory (Smoothing)
  add_subdirectory (Subdivider/commandlineSubdivider)
  add_subdirectory (Subdivider/commandlineAdaptiveSubdivider)
  add_subdirectory (mconvert)
  add_subdirectory (VDProgMesh/mkbalancedpm)
  add_subdirectory (VDProgMesh/Analyzer)




  # Add non ui apps as dependency before fixbundle 
  if ( WIN32 )
    if ( NOT "${CMAKE_GENERATOR}" MATCHES "MinGW Makefiles" )
      # let bundle generation depend on all targets
      add_dependencies (fixbundle commandlineDecimater Dualizer mconvert Smoothing commandlineAdaptiveSubdivider commandlineSubdivider mkbalancedpm Analyzer )
    endif()
  endif()

  # Add non ui apps as dependency before fixbundle
  if ( APPLE)
    # let bundle generation depend on all targets
    add_dependencies (fixbundle commandlineDecimater Dualizer mconvert Smoothing commandlineAdaptiveSubdivider commandlineSubdivider mkbalancedpm Analyzer )
  endif()


# find needed packages for gui applications
find_package (OpenGL)
find_package (GLUT)

# For the apps, we need qt and opengl to build them
if (NOT QT4_FOUND)
  find_package (Qt4 COMPONENTS QtCore QtGui )

  set (QT_USE_QTOPENGL 1)

  include (${QT_USE_FILE})
endif ()

if ("${CMAKE_GENERATOR}" MATCHES "MinGW Makefiles")
  message(WARNING "GUI Apps are not build with mingw. (TODO)")
endif()

# check for OpenGL and GLUT as our required dependencies
if (QT4_FOUND AND OPENGL_FOUND AND GLUT_FOUND AND NOT "${CMAKE_GENERATOR}" MATCHES "MinGW Makefiles" )
  add_subdirectory (Decimating/DecimaterGui)
  add_subdirectory (QtViewer)
  add_subdirectory (Subdivider/SubdividerGui)
  add_subdirectory (ProgViewer)
  add_subdirectory (VDProgMesh/Synthesizer)
 
  # Make sure that we install all dlls into install directory on windows
  if ( ${PROJECT_NAME} MATCHES "OpenMesh")                               

    # Add ui apps as dependency before fixbundle 
    if ( WIN32 AND NOT "${CMAKE_GENERATOR}" MATCHES "MinGW Makefiles")
      # let bundle generation depend on all targets
      add_dependencies (fixbundle DecimaterGui ProgViewer QtViewer SubdividerGui Synthesizer)
    endif()
  
    # Add ui apps as dependency before fixbundle 
    if ( APPLE)
      # let bundle generation depend on all targets
      add_dependencies (fixbundle DecimaterGui ProgViewer QtViewer SubdividerGui Synthesizer)
    endif()

    if ( WIN32 )
      FILE(GLOB files_install_app_dlls "${CMAKE_BINARY_DIR}/Build/*.dll" )
      INSTALL(FILES ${files_install_app_dlls} DESTINATION . )
    endif()
  endif()


else ()
  
  
  

  if (NOT QT4_FOUND)
    message ("QT 4 not found! Skipping some apps.")
  endif ()

  if (NOT OPENGL_FOUND)
    message ("OpengGL not found! Skipping some apps.")
  endif ()

  if (NOT GLUT_FOUND)
    message ("GLUT not found! Skipping some apps.")
  endif ()
endif ()

endif() # Project is OpenMesh standalone

else (BUILD_APPS)

  message ("Building Apps disabled by user.")

endif (BUILD_APPS)