# -------------------------------- Qt --------------------------------

set(FREECAD_QT_COMPONENTS Core Concurrent Network Xml)
if(FREECAD_WEB AND NOT FREECAD_WEB_ENABLE_TECHDRAW_NATIVE)
    # QtConcurrent is only used by GUI code in the current Web module graph.
    set(FREECAD_QT_COMPONENTS Core Network Xml)
endif()
if(FREECAD_WEB AND FREECAD_WEB_ENABLE_TECHDRAW_NATIVE)
    list(APPEND FREECAD_QT_COMPONENTS Gui Widgets)
endif()
if (FREECAD_QT_MAJOR_VERSION EQUAL 6)
    set (Qt6Core_MOC_EXECUTABLE Qt6::moc)
endif()

if(BUILD_GUI)
    if (FREECAD_QT_MAJOR_VERSION EQUAL 5)
        if (WIN32)
            list (APPEND FREECAD_QT_COMPONENTS WinExtras)
        endif()
    elseif (FREECAD_QT_MAJOR_VERSION EQUAL 6)
        list (APPEND FREECAD_QT_COMPONENTS GuiTools)
        list (APPEND FREECAD_QT_COMPONENTS SvgWidgets)
        list (APPEND FREECAD_QT_COMPONENTS OpenGLWidgets)
    endif()

    list (APPEND FREECAD_QT_COMPONENTS OpenGL PrintSupport Svg UiTools Widgets LinguistTools)

    if(BUILD_DESIGNER_PLUGIN)
        list (APPEND FREECAD_QT_COMPONENTS Designer)
    endif()
endif()

if (ENABLE_DEVELOPER_TESTS)
    list (APPEND FREECAD_QT_COMPONENTS Test)
endif ()

foreach(COMPONENT IN LISTS FREECAD_QT_COMPONENTS)
    find_package(Qt${FREECAD_QT_MAJOR_VERSION} REQUIRED COMPONENTS ${COMPONENT})
    set(Qt${COMPONENT}_LIBRARIES ${Qt${FREECAD_QT_MAJOR_VERSION}${COMPONENT}_LIBRARIES})
    set(Qt${COMPONENT}_INCLUDE_DIRS ${Qt${FREECAD_QT_MAJOR_VERSION}${COMPONENT}_INCLUDE_DIRS})
    set(Qt${COMPONENT}_FOUND ${Qt${FREECAD_QT_MAJOR_VERSION}${COMPONENT}_FOUND})
    set(Qt${COMPONENT}_VERSION ${Qt${FREECAD_QT_MAJOR_VERSION}${COMPONENT}_VERSION})
endforeach()

# QtBase does not ship the LinguistTools CMake module.  The Web dependency
# prefix intentionally builds only QtBase, so provide the small part of
# qt_add_translation needed by core resource generation using host lrelease.
if(FREECAD_WEB AND NOT COMMAND qt_add_translation)
    find_program(FREECAD_WEB_LRELEASE_EXECUTABLE NAMES lrelease lrelease-qt5)
    if(NOT FREECAD_WEB_LRELEASE_EXECUTABLE)
        message(FATAL_ERROR "FREECAD_WEB requires a host lrelease executable to build translations")
    endif()
    function(qt_add_translation _qm_files)
        set(_generated_qm_files)
        foreach(_ts_file IN LISTS ARGN)
            get_filename_component(_ts_name "${_ts_file}" NAME_WE)
            get_source_file_property(_output_location "${_ts_file}" OUTPUT_LOCATION)
            if(NOT _output_location OR _output_location STREQUAL "NOTFOUND")
                set(_output_location "${CMAKE_CURRENT_BINARY_DIR}")
            endif()
            set(_qm_file "${_output_location}/${_ts_name}.qm")
            add_custom_command(
                OUTPUT "${_qm_file}"
                COMMAND ${CMAKE_COMMAND} -E make_directory "${_output_location}"
                COMMAND "${FREECAD_WEB_LRELEASE_EXECUTABLE}" "${_ts_file}" -qm "${_qm_file}"
                DEPENDS "${_ts_file}"
                VERBATIM)
            list(APPEND _generated_qm_files "${_qm_file}")
        endforeach()
        set(${_qm_files} "${_generated_qm_files}" PARENT_SCOPE)
    endfunction()
endif()

set(CMAKE_AUTOMOC TRUE)
set(CMAKE_AUTOUIC TRUE)
set(QtCore_MOC_EXECUTABLE ${Qt${FREECAD_QT_MAJOR_VERSION}Core_MOC_EXECUTABLE})

add_definitions(-DQT_NO_KEYWORDS)

message(STATUS "Set up to compile with Qt ${Qt${FREECAD_QT_MAJOR_VERSION}Core_VERSION}")

# In Qt 5.15 they added more generic names for these functions: "backport" those new names
# so we can migrate to using the non-version-named functions in all instances.
if (Qt${FREECAD_QT_MAJOR_VERSION}Core_VERSION VERSION_LESS 5.15.0)
    message(STATUS "Manually creating qt_wrap_cpp() and qt_add_resources() to support Qt ${Qt${FREECAD_QT_MAJOR_VERSION}Core_VERSION}")

    # Wrapper code adapted from Qt 6's Qt6CoreMacros.cmake file:
    function(qt_add_resources outfiles)
        qt5_add_resources("${outfiles}" ${ARGN})
        if(TARGET ${outfiles})
            cmake_parse_arguments(PARSE_ARGV 1 arg "" "OUTPUT_TARGETS" "")
            if (arg_OUTPUT_TARGETS)
                set(${arg_OUTPUT_TARGETS} ${${arg_OUTPUT_TARGETS}} PARENT_SCOPE)
            endif()
        else()
            set("${outfiles}" "${${outfiles}}" PARENT_SCOPE)
        endif()
    endfunction()

    function(qt_wrap_cpp outfiles)
        qt5_wrap_cpp("${outfiles}" ${ARGN})
        set("${outfiles}" "${${outfiles}}" PARENT_SCOPE)
    endfunction()

    function(qt_add_translation _qm_files)
        qt5_add_translation("${_qm_files}" ${ARGN})
        set("${_qm_files}" "${${_qm_files}}" PARENT_SCOPE)
    endfunction()

    # Since Qt 5.15 Q_DISABLE_COPY_MOVE is defined
    set (HAVE_Q_DISABLE_COPY_MOVE 0)
else()
    # Since Qt 5.15 Q_DISABLE_COPY_MOVE is defined
    set (HAVE_Q_DISABLE_COPY_MOVE 1)
endif()

configure_file(${CMAKE_SOURCE_DIR}/src/QtCore.h.cmake ${CMAKE_BINARY_DIR}/src/QtCore.h)
configure_file(${CMAKE_SOURCE_DIR}/src/QtWidgets.h.cmake ${CMAKE_BINARY_DIR}/src/QtWidgets.h)

function(qt_find_and_add_translation _qm_files _tr_dir _qm_dir)
    file(GLOB _ts_files ${_tr_dir})
    set_source_files_properties(${_ts_files} PROPERTIES OUTPUT_LOCATION ${_qm_dir})
    qt_add_translation("${_qm_files}" ${_ts_files})
    set("${_qm_files}" "${${_qm_files}}" PARENT_SCOPE)
endfunction()

function(qt_create_resource_file outfile)
    set(QRC "<RCC>\n  <qresource>\n")
    foreach (it ${ARGN})
        get_filename_component(qmfile "${it}" NAME)
        string(APPEND QRC "        <file>translations/${qmfile}</file>")
    endforeach()
    string(APPEND QRC "  </qresource>\n</RCC>\n")
    file(WRITE ${outfile} ${QRC})
endfunction()

function(qt_create_resource_file_prefix outfile)
    set(QRC "<RCC>\n  <qresource prefix=\"/translations\">\n")
    foreach (it ${ARGN})
        get_filename_component(qmfile "${it}" NAME)
        string(APPEND QRC "        <file>${qmfile}</file>")
    endforeach()
    string(APPEND QRC "  </qresource>\n</RCC>\n")
    file(WRITE ${outfile} ${QRC})
endfunction()