first commit

2022-10-20 20:29:11 +08:00
commit 4d531f8044
3238 changed files with 1387862 additions and 0 deletions
@@ -0,0 +1,96 @@
+set(xlf_file "en_US/FlightGear-Qt.xlf")
+
+if(EXISTS "${TRANSLATIONS_SRC_DIR}/${xlf_file}")
+    message(STATUS "Using explicitly defined translations from: ${TRANSLATIONS_SRC_DIR}")
+    set(do_translate TRUE)
+elseif(EXISTS "${FG_DATA_DIR}/Translations/${xlf_file}")
+    set(TRANSLATIONS_SRC_DIR "${FG_DATA_DIR}/Translations")
+    set(do_translate TRUE)
+    message(STATUS "Found translations dir implicitly: ${TRANSLATIONS_SRC_DIR}")
+else()
+    message(STATUS "Couldn't find translations data, will not include translated string in the executable")
+    set(do_translate FALSE)
+endif()
+
+find_package(Qt5 5.4 COMPONENTS LinguistTools)
+if (${do_translate} AND NOT TARGET Qt5::lrelease)
+    set(do_translate FALSE)
+    message(STATUS "Built-in translations disabled becuase Qt5 lrelease tool was not found."
+        "\n(on Linux You may need to install an additional package containing the Qt5 translation tools)")
+endif()
+
+
+function(translation_dir_list result curdir)
+  file(GLOB children RELATIVE ${curdir} ${curdir}/*)
+  set(dirlist "")
+  foreach(child ${children})
+    if (${child} STREQUAL "default")
+        continue()
+    endif()
+
+    if (IS_DIRECTORY ${curdir}/${child})
+      list(APPEND dirlist ${child})
+    endif()
+  endforeach()
+  set(${result} ${dirlist} PARENT_SCOPE)
+endfunction()
+
+if (${do_translate})
+    translation_dir_list(LANGUAGES ${TRANSLATIONS_SRC_DIR})
+    message(STATUS "Detected language files: ${LANGUAGES}")
+
+    set(translation_res "${PROJECT_BINARY_DIR}/translations.qrc")
+
+    add_custom_target(fgfs_qm_files ALL)
+
+    file(WRITE ${translation_res} "<RCC>\n<qresource prefix=\"/\">\n")
+
+    # qm generation and installation
+    foreach(LANG ${LANGUAGES})
+        # avoid issue if the FGData we found is a different version, and a translation is
+        # missing: just skip it
+        if (NOT EXISTS ${TRANSLATIONS_SRC_DIR}/${LANG}/FlightGear-Qt.xlf)
+            continue()
+        endif()
+
+        set(out_file "${PROJECT_BINARY_DIR}/FlightGear_${LANG}.qm")
+        add_custom_command(
+            OUTPUT ${out_file}
+            COMMAND Qt5::lrelease ${TRANSLATIONS_SRC_DIR}/${LANG}/FlightGear-Qt.xlf
+                -qm ${out_file}
+            DEPENDS ${TRANSLATIONS_SRC_DIR}/${LANG}/FlightGear-Qt.xlf
+        )
+        add_custom_target(fgfs_${LANG}_qm ALL DEPENDS ${out_file})
+
+        add_dependencies(fgfs_qm_files fgfs_${LANG}_qm)
+
+        # fix for bug https://sourceforge.net/p/flightgear/codetickets/2406/
+        # ensure we expose the English translations in a 'short' form, so that
+        # the QTranslator search order finds it
+        if (${LANG} STREQUAL "en_US")
+            message(STATUS "Wibble")
+            file(APPEND ${translation_res} "<file alias=\"FlightGear_en.qm\">FlightGear_${LANG}.qm</file>\n")
+        else()
+            # local path needed here, not absolute
+            file(APPEND ${translation_res} "<file>FlightGear_${LANG}.qm</file>\n")
+        endif()
+    endforeach()
+
+    file(APPEND ${translation_res} "</qresource>\n</RCC>")
+
+    # set this so config.h can detect it
+    set(HAVE_QRC_TRANSLATIONS TRUE)
+
+    add_custom_target(ts)
+    
+    foreach(lang ${LANGUAGES})
+        add_custom_target(
+            ts_${lang}
+            COMMAND Qt5::lupdate ${CMAKE_SOURCE_DIR}/src/GUI
+                -locations relative  -no-ui-lines -ts ${TRANSLATIONS_SRC_DIR}/${lang}/FlightGear-Qt.xlf
+            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        )
+        add_dependencies(ts ts_${lang})
+    endforeach()
+endif() # of do translate
+