cmake_minimum_required(VERSION 3.5.1)
project(grid_map_rviz_plugin)

set(CMAKE_CXX_FLAGS "-std=c++11 ${CMAKE_CXX_FLAGS}")
add_compile_options(-Wall -Wextra -Wpedantic)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

find_package(catkin REQUIRED
  COMPONENTS
    rviz
    grid_map_ros
    grid_map_msgs
)

catkin_package(
  INCLUDE_DIRS
    include
  LIBRARIES
    ${PROJECT_NAME}
  CATKIN_DEPENDS
    rviz
    grid_map_ros
    grid_map_msgs
)

include_directories(
  include
  SYSTEM
    ${catkin_INCLUDE_DIRS}
)

link_directories(${catkin_LIBRARY_DIRS})

## This setting causes Qt's "MOC" generation to happen automatically.
set(CMAKE_AUTOMOC ON)

set(INCLUDE_FILES_QT
  include/grid_map_rviz_plugin/GridMapDisplay.hpp
  include/grid_map_rviz_plugin/modified/message_filter_display.h
  include/grid_map_rviz_plugin/modified/frame_manager.h
)

## This plugin includes Qt widgets, so we must include Qt.
## We'll use the version that rviz used so they are compatible.
if(rviz_QT_VERSION VERSION_LESS "5")
  message(STATUS "Using Qt4 based on the rviz_QT_VERSION: ${rviz_QT_VERSION}")
  find_package(Qt4 ${rviz_QT_VERSION} EXACT REQUIRED QtCore QtGui)
  ## pull in all required include dirs, define QT_LIBRARIES, etc.
  include(${QT_USE_FILE})
  qt4_wrap_cpp(MOC_FILES
    ${INCLUDE_FILES_QT}
  )
else()
  message(STATUS "Using Qt5 based on the rviz_QT_VERSION: ${rviz_QT_VERSION}")
  find_package(Qt5 ${rviz_QT_VERSION} EXACT REQUIRED Core Widgets)
  ## make target_link_libraries(${QT_LIBRARIES}) pull in all required dependencies
  set(QT_LIBRARIES Qt5::Widgets)
  QT5_WRAP_CPP(MOC_FILES
    ${INCLUDE_FILES_QT}
  )
endif()

## Avoid Qt signals and slots defining "emit", "slots", etc.
add_definitions(-DQT_NO_KEYWORDS)

## The list of source files.
## The generated MOC files are included automatically as headers.
set(SOURCE_FILES
  src/GridMapDisplay.cpp
  src/GridMapVisual.cpp
)

## An rviz plugin is just a shared library, so here we declare the
## library to be called ${PROJECT_NAME} and specify the list of
## source files we collected above in ${SOURCE_FILES}.
add_library(${PROJECT_NAME}
  ${SOURCE_FILES}
  ${MOC_FILES}
)

## Link the executable with whatever Qt libraries have been defined by
## the find_package(Qt4 ...) line above, or by the
## set(QT_LIBRARIES Qt5::Widgets), and with whatever libraries
## catkin has included.
target_link_libraries(${PROJECT_NAME}
  ${QT_LIBRARIES}
  ${catkin_LIBRARIES}
)

## Install rules
install(
  DIRECTORY include/${PROJECT_NAME}/
  DESTINATION ${CATKIN_PACKAGE_INCLUDE_DESTINATION}
)

install(
  TARGETS ${PROJECT_NAME}
  ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
  LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
  RUNTIME DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
)

install(
  FILES plugin_description.xml
  DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION}
)

install(
  DIRECTORY icons
  DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION}/icons
)

install(
  DIRECTORY doc
  DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION}
)

#############
## Testing ##
#############

if (CATKIN_ENABLE_TESTING)
  catkin_add_gtest(${PROJECT_NAME}-test
    test/test_grid_map_rviz_plugin.cpp
    test/empty_test.cpp
  )
  target_include_directories(${PROJECT_NAME}-test PRIVATE
    include
  )
  target_include_directories(${PROJECT_NAME}-test SYSTEM PUBLIC
    ${catkin_INCLUDE_DIRS}
    ${EIGEN3_INCLUDE_DIRS}
  )
  target_link_libraries(${PROJECT_NAME}-test
    ${PROJECT_NAME}
    ${catkin_LIBRARIES}
  )

  ###################
  ## Code_coverage ##
  ###################
  find_package(cmake_code_coverage QUIET)
  if(cmake_code_coverage_FOUND)
    add_gtest_coverage(
      TEST_BUILD_TARGETS
        ${PROJECT_NAME}-test
    )
  endif()
endif()

#################
## Clang_tools ##
#################
find_package(cmake_clang_tools QUIET)
if(cmake_clang_tools_FOUND)
  add_default_clang_tooling(
    DISABLE_CLANG_FORMAT
  )
endif(cmake_clang_tools_FOUND)