chore(i18n): Localization skeleton

mfep · Jun 14, 2024 · eda4c28 · eda4c28
1 parent 275e11f
commit eda4c28
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Showing 4 changed files with 86 additions and 2 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -3,6 +3,7 @@ set(CMAKE_POLICY_DEFAULT_CMP0077 NEW) # option() honors normal variables
 
 include(FetchContent)
 include(external/CMakeRC.cmake)
+include(GNUInstallDirs)
 
 project(midiconn VERSION 0.2.2 LANGUAGES CXX)
 
@@ -20,7 +21,9 @@ endif()
 if(NOT WIN32 AND MC_CHECK_FOR_UPDATES)
  find_package(CURL REQUIRED)
 endif()
+find_package(Intl REQUIRED)
 
+set(MC_LOCALE_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LOCALEDIR}")
 configure_file(
  src/Version.hpp.in
  ${CMAKE_CURRENT_BINARY_DIR}/src/Version.hpp
@@ -92,7 +95,8 @@ target_include_directories(midiconn PRIVATE
  external/imnodes
  external/portable-file-dialogs
  external/IconFontCppHeaders
- "${FREETYPE_INCLUDE_DIRS}")
+ "${FREETYPE_INCLUDE_DIRS}"
+ "${Intl_INCLUDE_DIRS}")
 target_link_libraries(midiconn PRIVATE
  nlohmann_json::nlohmann_json
  rtmidi
@@ -102,7 +106,8 @@ target_link_libraries(midiconn PRIVATE
  fmt::fmt
  freetype
  resources
- midi)
+ midi
+ "${Intl_LIBRARIES}")
 if(NOT WIN32 AND MC_CHECK_FOR_UPDATES)
  target_link_libraries(midiconn PRIVATE curl)
 endif()
@@ -157,3 +162,45 @@ endif()
 install(TARGETS midiconn
  RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
 include(CPack)
+
+find_program(XGETTEXT xgettext)
+find_package(Gettext)
+if (XGETTEXT AND ${GETTEXT_FOUND})
+ set(POT_FILE "${PROJECT_SOURCE_DIR}/po/midiconn.pot")
+ add_custom_command(
+ OUTPUT "${POT_FILE}"
+ COMMAND "${XGETTEXT}" "--join-existing" "--add-comments" "--output=${POT_FILE}" "--output-dir=${PROJECT_SOURCE_DIR}/po" ${sources}
+ WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
+ DEPENDS ${sources}
+ )
+
+ file(GLOB PO_FILES "${PROJECT_SOURCE_DIR}/po/*.po")
+ if(PO_FILES)
+ foreach(PO_FILE ${PO_FILES})
+ add_custom_command(
+ OUTPUT "${PO_FILE}"
+ COMMAND "${GETTEXT_MSGMERGE_EXECUTABLE}" "--update" "--backup=off" "${PO_FILE}" "${POT_FILE}"
+ WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
+ DEPENDS "${POT_FILE}"
+ )
+ endforeach()
+
+ add_custom_target(update-po DEPENDS ${PO_FILES})
+
+ foreach(PO_FILE ${PO_FILES})
+ cmake_path(GET PO_FILE STEM LANG)
+ set(MO_FILE "${CMAKE_BINARY_DIR}/${LANG}/midiconn.mo")
+ add_custom_command(
+ OUTPUT "${MO_FILE}"
+ COMMAND "${GETTEXT_MSGFMT_EXECUTABLE}" "--output-file=${MO_FILE}" "${PO_FILE}"
+ WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
+ DEPENDS "${PO_FILE}"
+ )
+ add_custom_target(generate-mo-${LANG} ALL DEPENDS ${MO_FILE})
+ install(
+ FILES "${MO_FILE}"
+ DESTINATION "${MC_LOCALE_DIR}/${LANG}/LC_MESSAGES"
+ )
+ endforeach()
+ endif()
+endif()
diff --git a/po/midiconn.pot b/po/midiconn.pot
@@ -0,0 +1,19 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-06-14 15:46+0200\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
diff --git a/src/Version.hpp.in b/src/Version.hpp.in
@@ -16,6 +16,7 @@
 #define MC_BUILD_OS "@CMAKE_SYSTEM_NAME@-@CMAKE_SYSTEM_PROCESSOR@"
 #define MC_WEBSITE_URL "https://mfeproject.itch.io/midiconn"
 #cmakedefine MC_CHECK_FOR_UPDATES
+#define MC_LOCALE_DIR "@MC_LOCALE_DIR@"
 
 namespace mc
 {

diff --git a/src/main.cpp b/src/main.cpp
@@ -17,6 +17,7 @@
 #include "KeyboardShortcutAggregator.hpp"
 #include "PlatformUtils.hpp"
 #include "Utils.hpp"
+#include "Version.hpp"
 
 #if !SDL_VERSION_ATLEAST(2, 0, 17)
 #error This backend requires SDL 2.0.17+ because of SDL_RenderGeometry() function
@@ -38,6 +39,22 @@ MC_MAIN
  spdlog::set_default_logger(rotating_logger);
  spdlog::flush_every(3s);
 
+ if (setlocale(LC_ALL, "") == nullptr)
+ {
+ spdlog::error("Cannot set locale");
+ return -1;
+ }
+ if (bindtextdomain(MIDI_APPLICATION_NAME_SNAKE, MC_LOCALE_DIR) == nullptr)
+ {
+ spdlog::error("Cannot bind text domain");
+ return -1;
+ }
+ if (textdomain(MIDI_APPLICATION_NAME_SNAKE) == nullptr)
+ {
+ spdlog::error("Cannot set text domain");
+ return -1;
+ }
+
  mc::platform::set_process_dpi_aware();
 
  const auto file_to_open = mc::wrap_exception([&]() {