# - try to find GTK (and glib) and GTKGLArea
#  GTK_INCLUDE_DIR   - Directories to include to use GTK
#  GTK_LIBRARIES     - Files to link against to use GTK
#  GTK_FOUND         - GTK was found
#  GTK_GL_FOUND      - GTK's GL features were found

SET ( GTK_BUNDLE_DIR_WIN "C:/Program Files (x86)/gtk+-bundle-2.12.11" )
SET ( GTK_WIN_INCLUDE_DIR ${GTK_BUNDLE_DIR_WIN}/include )
SET ( GTK_WIN_LIBRARY_DIR ${GTK_BUNDLE_DIR_WIN}/lib )

# don't even bother under WIN32
#IF(UNIX)

  FIND_PATH( GTK_gtk_INCLUDE_PATH NAMES gtk/gtk.h
    PATH_SUFFIXES gtk-2.0 gtk-1.2 gtk20 gtk12
    PATHS
    /usr/include
    /usr/include/gtk-2.0
    /usr/openwin/share/include
    /usr/openwin/include
    /opt/gnome/include
    ${GTK_WIN_INCLUDE_DIR}
  )

  FIND_PATH( GTK_gdk_INCLUDE_PATH NAMES gdkconfig.h
    PATH_SUFFIXES gtk-2.0 gtk-1.2 gtk20 gtk12
    PATHS
    /usr/lib/gtk-2.0/include/
    /usr/include
    /usr/include/gtk-2.0
    /usr/openwin/share/include
    /usr/openwin/include
    /opt/gnome/include
    ${GTK_WIN_LIBRARY_DIR}/gtk-2.0/include
  )

  # Some Linux distributions (e.g. Red Hat) have glibconfig.h
  # and glib.h in different directories, so we need to look
  # for both.
  #  - Atanas Georgiev <atanas@cs.columbia.edu>

  FIND_PATH( GTK_glibconfig_INCLUDE_PATH NAMES glibconfig.h
    PATHS
    /usr/lib/glib-2.0/include
    /usr/openwin/share/include
    /usr/local/include/glib12
    /usr/lib/glib/include
    /usr/local/lib/glib/include
    /opt/gnome/include
    /opt/gnome/lib/glib/include
    ${GTK_WIN_LIBRARY_DIR}/glib-2.0/include
  )

  FIND_PATH( GTK_glib_INCLUDE_PATH NAMES glib.h
    PATH_SUFFIXES gtk-2.0 glib-2.0 gtk-1.2 glib-1.2 glib20 glib12
    PATHS
    /usr/include
    /usr/openwin/share/include
    /usr/lib/glib/include
    /opt/gnome/include
    ${GTK_WIN_INCLUDE_DIR}
  )

  FIND_PATH( GTK_gtkgl_INCLUDE_PATH NAMES gtkgl/gtkglarea.h
    PATHS /usr/openwin/share/include
          /opt/gnome/include
    ${GTK_WIN_INCLUDE_DIR}
  )

  FIND_PATH( GTK_cairo_INCLUDE_PATH NAMES cairo.h
    PATH_SUFFIXES cairo
    PATHS
    /usr/include
    /usr/include/gtk-2.0
    /usr/openwin/share/include
    /usr/openwin/include
    /opt/gnome/include
    ${GTK_WIN_INCLUDE_DIR}
  )

  FIND_PATH( GTK_pango_INCLUDE_PATH NAMES pango/pango.h
    PATH_SUFFIXES pango pango-1.0
    PATHS
    /usr/include
    /usr/include/gtk-2.0
    /usr/openwin/share/include
    /usr/openwin/include
    /opt/gnome/include
    ${GTK_WIN_INCLUDE_DIR}
  )

  FIND_PATH( GTK_atk_INCLUDE_PATH NAMES atk/atkobject.h
    PATH_SUFFIXES atk atk-1.0
    PATHS
    /usr/include
    /usr/include/gtk-2.0
    /usr/openwin/share/include
    /usr/openwin/include
    /opt/gnome/include
    ${GTK_WIN_INCLUDE_DIR}
  )

  FIND_LIBRARY( GTK_gtkgl_LIBRARY gtkgl
    /usr/openwin/lib
    /opt/gnome/lib
    /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  #
  # The 12 suffix is thanks to the FreeBSD ports collection
  #

  FIND_LIBRARY( GTK_gtk_LIBRARY
    NAMES gtk-x11-2.0 gtk-win32-2.0 gtk-2.0 gtk20 gtk-win32
          gtk-x11-1.2 gtk-win32-1.2 gtk-1.2 gtk12 gtk-x11 gtk
    PATHS /usr/openwin/lib
          /opt/gnome/lib
          /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_gdk_LIBRARY
    NAMES  gdk-x11-2.0 gdk-win32-2.0 gdk-2.0 gdk20 gdk-win32
           gdk-x11-1.2 gdk-win32-1.2 gdk-1.2 gdk12 gdk-x11 gdk
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_gmodule_LIBRARY
    NAMES  gmodule-2.0 gmodule20 gmodule-1.2 gmodule12 gmodule
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_gobject_LIBRARY
    NAMES  gobject-2.0 gobject20 gobject-1.2 gobject12 gobject
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_glib_LIBRARY
    NAMES  glib-2.0 glib20 glib-1.2 glib12 glib
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_Xi_LIBRARY 
    NAMES Xi 
    PATHS /usr/openwin/lib 
          /opt/gnome/lib 
          /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
    ) 

  FIND_LIBRARY( GTK_gthread_LIBRARY
    NAMES  gthread-2.0 gthread20 gthread-1.2 gthread12 gthread
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_cairo_LIBRARY
    NAMES  cairo-2.0 cairo20 cairo-1.2 cairo12 cairo
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_pango_LIBRARY
    NAMES  pango-2.0 pango20 pango-1.2 pango12 pango
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_atk_LIBRARY
    NAMES  atk-2.0 atk20 atk-1.2 atk12 atk
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )

  FIND_LIBRARY( GTK_gio_LIBRARY
    NAMES  gio-2.0 gio20 gio-1.2 gio12 gio
    PATHS  /usr/openwin/lib
           /opt/gnome/lib
           /usr/lib
    ${GTK_WIN_LIBRARY_DIR}
  )


  # MESSAGE ( STATUS "    GTK_gtk_INCLUDE_PATH: "
  #                     ${GTK_gtk_INCLUDE_PATH} )
  # MESSAGE ( STATUS "    GTK_glibconfig_INCLUDE_PATH: "
  #                     ${GTK_glibconfig_INCLUDE_PATH} )
  # MESSAGE ( STATUS "    GTK_glib_INCLUDE_PATH: "
  #                     ${GTK_glib_INCLUDE_PATH} )
  # MESSAGE ( STATUS "    GTK_gtk_LIBRARY: "
  #                     ${GTK_gtk_LIBRARY} )
  # MESSAGE ( STATUS "    GTK_glib_LIBRARY: "
  #                     ${GTK_glib_LIBRARY} )

  IF(GTK_gtk_INCLUDE_PATH
     AND GTK_glibconfig_INCLUDE_PATH
     AND GTK_glib_INCLUDE_PATH
     AND GTK_gtk_LIBRARY
     AND GTK_glib_LIBRARY)

    # Assume that if gtk and glib were found, the other
    # supporting libraries have also been found.

    SET( GTK_FOUND "YES" )
    SET( GTK_INCLUDE_DIR  ${GTK_gtk_INCLUDE_PATH}
                          ${GTK_glibconfig_INCLUDE_PATH}
                          ${GTK_glib_INCLUDE_PATH} )

    IF(GTK_gdk_INCLUDE_PATH)
      SET(GTK_INCLUDE_DIR ${GTK_INCLUDE_DIR} ${GTK_gdk_INCLUDE_PATH})
    ENDIF(GTK_gdk_INCLUDE_PATH)
    IF(GTK_cairo_INCLUDE_PATH)
      SET(GTK_INCLUDE_DIR ${GTK_INCLUDE_DIR} ${GTK_cairo_INCLUDE_PATH})
    ENDIF(GTK_cairo_INCLUDE_PATH)
    IF(GTK_pango_INCLUDE_PATH)
      SET(GTK_INCLUDE_DIR ${GTK_INCLUDE_DIR} ${GTK_pango_INCLUDE_PATH})
    ENDIF(GTK_pango_INCLUDE_PATH)
    IF(GTK_atk_INCLUDE_PATH)
      SET(GTK_INCLUDE_DIR ${GTK_INCLUDE_DIR} ${GTK_atk_INCLUDE_PATH})
    ENDIF(GTK_atk_INCLUDE_PATH)

    SET( GTK_LIBRARIES  ${GTK_gtk_LIBRARY}
                        ${GTK_glib_LIBRARY} )

    IF(GTK_gdk_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_gdk_LIBRARY})
    ENDIF(GTK_gdk_LIBRARY)
    IF(GTK_gmodule_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_gmodule_LIBRARY})
    ENDIF(GTK_gmodule_LIBRARY)
    IF(GTK_gobject_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_gobject_LIBRARY})
    ENDIF(GTK_gobject_LIBRARY)
    IF(GTK_gthread_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_gthread_LIBRARY})
    ENDIF(GTK_gthread_LIBRARY)
    IF(GTK_Xi_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_Xi_LIBRARY})
    ENDIF(GTK_Xi_LIBRARY)
    IF(GTK_cairo_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_cairo_LIBRARY})
    ENDIF(GTK_cairo_LIBRARY)
    IF(GTK_pango_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_pango_LIBRARY})
    ENDIF(GTK_pango_LIBRARY)
    IF(GTK_atk_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_atk_LIBRARY})
    ENDIF(GTK_atk_LIBRARY)
    IF(GTK_gio_LIBRARY)
      SET(GTK_LIBRARIES ${GTK_LIBRARIES} ${GTK_gio_LIBRARY})
    ENDIF(GTK_gio_LIBRARY)

    IF(GTK_gtkgl_INCLUDE_PATH AND GTK_gtkgl_LIBRARY)
      SET( GTK_GL_FOUND "YES" )
      SET( GTK_INCLUDE_DIR  ${GTK_INCLUDE_DIR}
                            ${GTK_gtkgl_INCLUDE_PATH} )
      SET( GTK_LIBRARIES  ${GTK_gtkgl_LIBRARY} ${GTK_LIBRARIES} )
      MARK_AS_ADVANCED(
        GTK_gtkgl_LIBRARY
        GTK_gtkgl_INCLUDE_PATH
        )
    ENDIF(GTK_gtkgl_INCLUDE_PATH AND GTK_gtkgl_LIBRARY)

  ENDIF(GTK_gtk_INCLUDE_PATH
     AND GTK_glibconfig_INCLUDE_PATH
     AND GTK_glib_INCLUDE_PATH
     AND GTK_gtk_LIBRARY
     AND GTK_glib_LIBRARY)

  MARK_AS_ADVANCED(
    GTK_gdk_LIBRARY
    GTK_glib_INCLUDE_PATH
    GTK_glib_LIBRARY
    GTK_glibconfig_INCLUDE_PATH
    GTK_gmodule_LIBRARY
    GTK_gthread_LIBRARY
    GTK_Xi_LIBRARY
    GTK_gtk_INCLUDE_PATH
    GTK_gtk_LIBRARY
    GTK_gtkgl_INCLUDE_PATH
    GTK_gtkgl_LIBRARY
  )

#ENDIF(UNIX)