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97 lines
3.4 KiB
97 lines
3.4 KiB
2 years ago
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set(xlf_file "en_US/FlightGear-Qt.xlf")
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if(EXISTS "${TRANSLATIONS_SRC_DIR}/${xlf_file}")
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message(STATUS "Using explicitly defined translations from: ${TRANSLATIONS_SRC_DIR}")
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set(do_translate TRUE)
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elseif(EXISTS "${FG_DATA_DIR}/Translations/${xlf_file}")
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set(TRANSLATIONS_SRC_DIR "${FG_DATA_DIR}/Translations")
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set(do_translate TRUE)
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message(STATUS "Found translations dir implicitly: ${TRANSLATIONS_SRC_DIR}")
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else()
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message(STATUS "Couldn't find translations data, will not include translated string in the executable")
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set(do_translate FALSE)
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endif()
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find_package(Qt5 5.4 COMPONENTS LinguistTools)
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if (${do_translate} AND NOT TARGET Qt5::lrelease)
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set(do_translate FALSE)
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message(STATUS "Built-in translations disabled becuase Qt5 lrelease tool was not found."
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"\n(on Linux You may need to install an additional package containing the Qt5 translation tools)")
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endif()
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function(translation_dir_list result curdir)
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file(GLOB children RELATIVE ${curdir} ${curdir}/*)
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set(dirlist "")
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foreach(child ${children})
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if (${child} STREQUAL "default")
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continue()
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endif()
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if (IS_DIRECTORY ${curdir}/${child})
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list(APPEND dirlist ${child})
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endif()
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endforeach()
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set(${result} ${dirlist} PARENT_SCOPE)
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endfunction()
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if (${do_translate})
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translation_dir_list(LANGUAGES ${TRANSLATIONS_SRC_DIR})
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message(STATUS "Detected language files: ${LANGUAGES}")
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set(translation_res "${PROJECT_BINARY_DIR}/translations.qrc")
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add_custom_target(fgfs_qm_files ALL)
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file(WRITE ${translation_res} "<RCC>\n<qresource prefix=\"/\">\n")
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# qm generation and installation
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foreach(LANG ${LANGUAGES})
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# avoid issue if the FGData we found is a different version, and a translation is
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# missing: just skip it
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if (NOT EXISTS ${TRANSLATIONS_SRC_DIR}/${LANG}/FlightGear-Qt.xlf)
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continue()
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endif()
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set(out_file "${PROJECT_BINARY_DIR}/FlightGear_${LANG}.qm")
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add_custom_command(
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OUTPUT ${out_file}
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COMMAND Qt5::lrelease ${TRANSLATIONS_SRC_DIR}/${LANG}/FlightGear-Qt.xlf
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-qm ${out_file}
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DEPENDS ${TRANSLATIONS_SRC_DIR}/${LANG}/FlightGear-Qt.xlf
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)
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add_custom_target(fgfs_${LANG}_qm ALL DEPENDS ${out_file})
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add_dependencies(fgfs_qm_files fgfs_${LANG}_qm)
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# fix for bug https://sourceforge.net/p/flightgear/codetickets/2406/
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# ensure we expose the English translations in a 'short' form, so that
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# the QTranslator search order finds it
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if (${LANG} STREQUAL "en_US")
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message(STATUS "Wibble")
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file(APPEND ${translation_res} "<file alias=\"FlightGear_en.qm\">FlightGear_${LANG}.qm</file>\n")
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else()
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# local path needed here, not absolute
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file(APPEND ${translation_res} "<file>FlightGear_${LANG}.qm</file>\n")
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endif()
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endforeach()
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file(APPEND ${translation_res} "</qresource>\n</RCC>")
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# set this so config.h can detect it
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set(HAVE_QRC_TRANSLATIONS TRUE)
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add_custom_target(ts)
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foreach(lang ${LANGUAGES})
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add_custom_target(
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ts_${lang}
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COMMAND Qt5::lupdate ${CMAKE_SOURCE_DIR}/src/GUI
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-locations relative -no-ui-lines -ts ${TRANSLATIONS_SRC_DIR}/${lang}/FlightGear-Qt.xlf
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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add_dependencies(ts ts_${lang})
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endforeach()
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endif() # of do translate
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