CMakeLists.txt

cmake_minimum_required(VERSION 3.16)
project(lifecycle_gui)

# Find required packages
find_package(ament_cmake REQUIRED)
find_package(rclcpp REQUIRED)
find_package(rclcpp_lifecycle REQUIRED)
find_package(lifecycle_msgs REQUIRED)
# Try Qt5 first, then Qt6
find_package(Qt5 COMPONENTS Core Widgets)
if(Qt5_FOUND)
    set(QT_VERSION_MAJOR 5)
    message(STATUS "Found Qt5")
else()
    find_package(Qt6 REQUIRED COMPONENTS Core Widgets)
    set(QT_VERSION_MAJOR 6)
    message(STATUS "Found Qt6")
endif()

# Set Qt requirements
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Enable Qt MOC
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTORCC ON)

# Source files
set(SOURCES
    src/main.cpp
    src/main_window.cpp
    src/lifecycle_manager.cpp
    src/node_widget.cpp
    src/state_diagram.cpp
)

set(HEADERS
    include/lifecycle_gui/main_window.h
    include/lifecycle_gui/lifecycle_manager.h
    include/lifecycle_gui/node_widget.h
    include/lifecycle_gui/state_diagram.h
)

# Create executable
add_executable(${PROJECT_NAME} ${SOURCES} ${HEADERS})

# Include directories
target_include_directories(${PROJECT_NAME} PRIVATE
    include
    ${CMAKE_CURRENT_BINARY_DIR}
)

# Link libraries
if(QT_VERSION_MAJOR EQUAL 6)
    target_link_libraries(${PROJECT_NAME}
        Qt6::Core
        Qt6::Widgets
    )
else()
    target_link_libraries(${PROJECT_NAME}
        Qt5::Core
        Qt5::Widgets
    )
endif()

# ROS2 dependencies
ament_target_dependencies(${PROJECT_NAME}
    rclcpp
    rclcpp_lifecycle
    lifecycle_msgs
)

# Install targets
install(TARGETS ${PROJECT_NAME}
    DESTINATION lib/${PROJECT_NAME}
)

# Install launch files
install(DIRECTORY launch
    DESTINATION share/${PROJECT_NAME}
)

ament_package()