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# Defines function add_translation_targets
include(${CMAKE_CURRENT_LIST_DIR}/Utils.cmake)
function(_extract_ts_data_from_targets outprefix)
set(_sources "")
set(_includes "")
set(_targets "${ARGN}")
list(REMOVE_DUPLICATES _targets)
foreach(t IN ITEMS ${_targets})
if (TARGET "${t}")
get_target_property(_skip_translation "${t}" QT_SKIP_TRANSLATION)
get_target_property(_source_dir "${t}" SOURCE_DIR)
get_target_property(_interface_include_dirs "${t}" INTERFACE_INCLUDE_DIRECTORIES)
get_target_property(_include_dirs "${t}" INCLUDE_DIRECTORIES)
get_target_property(_source_files "${t}" SOURCES)
get_target_property(_extra_translations "${t}" QT_EXTRA_TRANSLATIONS)
if (NOT _skip_translation)
if(_include_dirs)
remove_generator_expressions(_include_dirs ${_include_dirs})
list(APPEND _includes ${_include_dirs})
endif()
if(_interface_include_dirs)
list(APPEND _interface_includes ${_include_dirs})
endif()
set(_target_sources "")
if(_source_files)
# exclude various funny source files, and anything generated
# like *metatypes.json.gen, moc_*.cpp, qrc_*.cpp, */qmlcache/*.cpp,
# *qmltyperegistrations.cpp
string(REGEX REPLACE "(\\^|\\$|\\.|\\[|\\]|\\*|\\+|\\?|\\(|\\)|\\|)" "\\\\\\1" binary_dir_regex "${PROJECT_BINARY_DIR}")
set(_exclude_patterns
.*[.]json[.]in
.*[.]svg
.*[.]pro
.*[.]css
"${binary_dir_regex}/.*"
)
list(JOIN _exclude_patterns "|" _exclude_pattern)
list(FILTER _source_files EXCLUDE REGEX "${_exclude_pattern}")
list(APPEND _target_sources ${_source_files})
endif()
if(_extra_translations)
list(APPEND _target_sources ${_extra_translations})
endif()
foreach(s IN ITEMS ${_target_sources})
get_filename_component(_abs_source "${s}" ABSOLUTE BASE_DIR "${_source_dir}")
list(APPEND _sources "${_abs_source}")
endforeach()
endif()
endif()
endforeach()
set("${outprefix}_sources" "${_sources}" PARENT_SCOPE)
set("${outprefix}_includes" "${_includes}" PARENT_SCOPE)
endfunction()
function(_create_ts_custom_target name)
cmake_parse_arguments(_arg "EXCLUDE_FROM_ALL" "FILE_PREFIX;TS_TARGET_PREFIX" "SOURCES;INCLUDES" ${ARGN})
if (_arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Invalid parameters to _create_ts_custom_target: ${_arg_UNPARSED_ARGUMENTS}.")
endif()
if (NOT _arg_TS_TARGET_PREFIX)
set(_arg_TS_TARGET_PREFIX "ts_")
endif()
set(ts_file "${CMAKE_CURRENT_SOURCE_DIR}/${_arg_FILE_PREFIX}_${name}.ts")
set(_sources "${_arg_SOURCES}")
list(SORT _sources)
set(_includes "${_arg_INCLUDES}")
list(REMOVE_DUPLICATES _sources)
list(REMOVE_DUPLICATES _includes)
list(REMOVE_ITEM _sources "")
list(REMOVE_ITEM _includes "")
set(_prepended_includes)
foreach(include IN LISTS _includes)
list(APPEND _prepended_includes "-I${include}")
endforeach()
set(_includes "${_prepended_includes}")
string(REPLACE ";" "\n" _sources_str "${_sources}")
string(REPLACE ";" "\n" _includes_str "${_includes}")
set(ts_file_list "${CMAKE_CURRENT_BINARY_DIR}/ts_${name}.lst")
file(WRITE "${ts_file_list}" "${_sources_str}\n${_includes_str}\n")
add_custom_target("${_arg_TS_TARGET_PREFIX}${name}"
COMMAND Qt::lupdate -locations relative -no-ui-lines "@${ts_file_list}" -ts ${ts_file}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMENT "Generate .ts file (${name}), with obsolete translations and files and line numbers"
DEPENDS ${_sources}
VERBATIM)
add_custom_target("${_arg_TS_TARGET_PREFIX}${name}_no_locations"
COMMAND Qt::lupdate -locations none -no-ui-lines "@${ts_file_list}" -ts ${ts_file}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMENT "Generate .ts file (${name}), with obsolete translations, without files and line numbers"
DEPENDS ${_sources}
VERBATIM)
# Uses lupdate + convert instead of just lupdate with '-locations none -no-obsolete'
# to keep the same sorting as the non-'cleaned' target and therefore keep the diff small
# get path for lconvert...
get_target_property(_lupdate_binary Qt::lupdate IMPORTED_LOCATION)
get_filename_component(_bin_dir ${_lupdate_binary} DIRECTORY)
add_custom_target("${_arg_TS_TARGET_PREFIX}${name}_cleaned"
COMMAND Qt::lupdate -locations relative -no-ui-lines "@${ts_file_list}" -ts ${ts_file}
COMMAND ${_bin_dir}/lconvert -locations none -no-ui-lines -no-obsolete ${ts_file} -o ${ts_file}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMENT "Generate .ts file (${name}), remove obsolete and vanished translations, and do not add files and line number"
DEPENDS ${_sources}
VERBATIM)
if (NOT _arg_EXCLUDE_FROM_ALL)
if (NOT TARGET ts_all_cleaned)
add_custom_target(ts_all_cleaned
COMMENT "Generate .ts files, remove obsolete and vanished translations, and do not add files and line numbers")
add_custom_target(ts_all
COMMENT "Generate .ts files, with obsolete translations and files and line numbers")
add_custom_target(ts_all_no_locations
COMMENT "Generate .ts files, with obsolete translations, without files and line numbers")
endif()
add_dependencies(ts_all_cleaned ${_arg_TS_TARGET_PREFIX}${name}_cleaned)
add_dependencies(ts_all ${_arg_TS_TARGET_PREFIX}${name})
add_dependencies(ts_all_no_locations ${_arg_TS_TARGET_PREFIX}${name}_no_locations)
endif()
endfunction()
function(add_translation_targets file_prefix)
if (NOT TARGET Qt::lrelease OR NOT TARGET Qt::lupdate)
# No Qt translation tools were found: Skip this directory
message(WARNING "No Qt translation tools found, skipping translation targets. Add find_package(Qt6 COMPONENTS LinguistTools) to CMake to enable.")
return()
endif()
cmake_parse_arguments(_arg ""
"OUTPUT_DIRECTORY;INSTALL_DESTINATION;TS_TARGET_PREFIX;QM_TARGET_PREFIX;ALL_QM_TARGET"
"LANGUAGES;TARGETS;SOURCES;INCLUDES" ${ARGN})
if (_arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Invalid parameters to add_translation_targets: ${_arg_UNPARSED_ARGUMENTS}.")
endif()
if (NOT _arg_TS_TARGET_PREFIX)
set(_arg_TS_TARGET_PREFIX "ts_")
endif()
if (NOT _arg_QM_TARGET_PREFIX)
set(_arg_QM_TARGET_PREFIX "generate_qm_file_")
endif()
if (NOT _arg_ALL_QM_TARGET)
set(_arg_ALL_QM_TARGET "generate_qm_files")
endif()
if (NOT _arg_OUTPUT_DIRECTORY)
set(_arg_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
endif()
if (NOT _arg_INSTALL_DESTINATION)
message(FATAL_ERROR "Please provide a INSTALL_DESTINATION to add_translation_targets")
endif()
_extract_ts_data_from_targets(_to_process "${_arg_TARGETS}")
_create_ts_custom_target(untranslated
FILE_PREFIX "${file_prefix}" TS_TARGET_PREFIX "${_arg_TS_TARGET_PREFIX}"
SOURCES ${_to_process_sources} ${_arg_SOURCES} INCLUDES ${_to_process_includes} ${_arg_INCLUDES}
EXCLUDE_FROM_ALL)
if (NOT TARGET "${_arg_ALL_QM_TARGET}")
add_custom_target("${_arg_ALL_QM_TARGET}" ALL COMMENT "Generate .qm-files")
endif()
file(MAKE_DIRECTORY ${_arg_OUTPUT_DIRECTORY})
foreach(l IN ITEMS ${_arg_LANGUAGES})
set(_ts_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_prefix}_${l}.ts")
set(_qm_file "${_arg_OUTPUT_DIRECTORY}/${file_prefix}_${l}.qm")
_create_ts_custom_target("${l}" FILE_PREFIX "${file_prefix}" TS_TARGET_PREFIX "${_arg_TS_TARGET_PREFIX}"
SOURCES ${_to_process_sources} ${_arg_SOURCES} INCLUDES ${_to_process_includes} ${_arg_INCLUDES})
add_custom_command(OUTPUT "${_qm_file}"
COMMAND Qt::lrelease "${_ts_file}" -qm "${_qm_file}"
MAIN_DEPENDENCY "${_ts_file}"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMENT "Generate .qm file"
VERBATIM)
add_custom_target("${_arg_QM_TARGET_PREFIX}${l}" DEPENDS "${_qm_file}")
install(FILES "${_qm_file}" DESTINATION ${_arg_INSTALL_DESTINATION})
add_dependencies("${_arg_ALL_QM_TARGET}" "${_arg_QM_TARGET_PREFIX}${l}")
endforeach()
endfunction()
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