CMAKE_MINIMUM_REQUIRED(VERSION 2.8.7)

IF(COMMAND cmake_policy)
  IF("${CMAKE_VERSION}" VERSION_GREATER "2.6" OR "${CMAKE_VERSION}" VERSION_EQUAL "2.6")
    CMAKE_POLICY(SET CMP0003 NEW)
  ENDIF("${CMAKE_VERSION}" VERSION_GREATER "2.6" OR "${CMAKE_VERSION}" VERSION_EQUAL "2.6")
  IF("${CMAKE_VERSION}" VERSION_GREATER "2.8")
    CMAKE_POLICY(SET CMP0015 NEW) # NOT AVAILABLE IN 2.8.0 !!!
  ENDIF("${CMAKE_VERSION}" VERSION_GREATER "2.8")
ENDIF(COMMAND cmake_policy)

# Add custom cmake modules to cmake search path
SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmakemodules" "${CMAKE_MODULE_PATH}")

PROJECT(ShadowsQVTKView)

# Require at least VTK 6.0
SET(VTK_MIN_VERSION "6.0.0")
FIND_PACKAGE(VTK REQUIRED) # NOTE: CMake appears to fail on checking VTK minimum version (at least on win7); ${VTK_MIN_VERSION})
IF(NOT VTK_FOUND)
  MESSAGE(SEND_ERROR "VTK ${VTK_MIN_VERSION} not found. Please set the VTK_DIR variable.")
ELSE(NOT VTK_FOUND)
	# The version check fails with cmake 2.8.4+linux/windows7, manually perform check
	IF("${VTK_VERSION_MAJOR}.${VTK_VERSION_MINOR}" VERSION_LESS ${VTK_MIN_VERSION})
	  MESSAGE(SEND_ERROR "VTK ${VTK_MIN_VERSION} not found (version ${VTK_VERSION_MAJOR}.${VTK_VERSION_MINOR} provided).  Please set the VTK_DIR variable.")
	ELSE("${VTK_VERSION_MAJOR}.${VTK_VERSION_MINOR}" VERSION_LESS ${VTK_MIN_VERSION})
	  INCLUDE(${VTK_USE_FILE})
	ENDIF("${VTK_VERSION_MAJOR}.${VTK_VERSION_MINOR}" VERSION_LESS ${VTK_MIN_VERSION})
ENDIF(NOT VTK_FOUND)

# Require Qt 4.8.0 or later
SET(QT_MIN_VERSION "4.8.0")
SET(QT_USE_QTNETWORK TRUE)
SET(QT_USE_QTSQL TRUE)
SET(QT_USE_QTTEST TRUE)
SET(QT_USE_QTSCRIPT TRUE)
SET(QT_USE_QTXML TRUE)
FIND_PACKAGE(Qt4 ${QT_MIN_VERSION} REQUIRED QtCore QtGUI QtNetwork QtTest QtSql QtScript QtXml QtOpenGL )
IF(NOT QT4_FOUND)
  MESSAGE(SEND_ERROR "Qt ${QT_MIN_VERSION} or greater not found.  Please set the QT_QMAKE_EXECUTABLE variable.")
ENDIF(NOT QT4_FOUND)
INCLUDE(${QT_USE_FILE})

# OpenGL
FIND_PACKAGE(OpenGL REQUIRED)
IF(NOT OPENGL_FOUND)
  MESSAGE(ERROR " OPENGL not found!")
ENDIF(NOT OPENGL_FOUND)
INCLUDE_DIRECTORIES(${QT_QTOPENGL_INCLUDE_DIR} ${OPENGL_INCLUDE_DIR})

# Build executable
SET(WINBUILDSTR "")
IF(WIN32 AND MINGW)
  SET(WINBUILDSTR "WIN32") # --> the console window won't pop up at startup
ELSE(WIN32 AND MINGW)
  SET(WINBUILDSTR "")
ENDIF(WIN32 AND MINGW)
INCLUDE_DIRECTORIES(
  ${CMAKE_CURRENT_BINARY_DIR}
)
SET(SHADOW_HDRS
  
)
SET(SHADOW_SRCS  
  ShadowsQVTKView.cxx
  CompositeView.cxx
  MainGUI.cxx
)
SET(MOC_HDRS
  CompositeView.h
  MainGUI.h
)
SET(UIS

)
QT4_WRAP_CPP(MOC_SRCS ${MOC_HDRS})
QT4_WRAP_UI(UI_SRCS ${UIS})
ADD_EXECUTABLE(ShadowsQVTKView ${WINBUILDSTR}
  ${SHADOW_HDRS}
  ${SHADOW_SRCS}
  ${MOC_HDRS}
  ${MOC_SRCS}
  ${UI_SRCS}
)
TARGET_LINK_LIBRARIES(ShadowsQVTKView
	${VTK_LIBRARIES}
  ${QT_QTOPENGL_LIBRARY}
  ${QT_LIBRARIES}
)