CMake: Rename I18N_*LANGUAGES variables and parameters

...according to the Qt 6.7 CMake API review.

Pick-to: 6.7
Task-number: QTBUG-122396
Change-Id: I42012e346325ff05d63fa4dac44276eef15320fe
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

cmake/QtPublicAppleHelpers.cmake

@@ -612,8 +612,8 @@ function(_qt_internal_set_apple_localizations target)
         return()
     endif()
 
-    set(supported_languages "${QT_I18N_LANGUAGES}")
+    set(supported_languages "${QT_I18N_TRANSLATED_LANGUAGES}")
-    if("${QT_I18N_LANGUAGES}" STREQUAL "")
+    if("${QT_I18N_TRANSLATED_LANGUAGES}" STREQUAL "")
         get_target_property(supported_languages "${target}" _qt_apple_supported_languages)
         if("${supported_languages}" STREQUAL "supported_languages-NOTFOUND")
             return()

src/corelib/Qt6CoreMacros.cmake

@@ -3197,10 +3197,10 @@ macro(qt6_standard_project_setup)
         set(__qt_sps_args_single
             REQUIRES
             SUPPORTS_UP_TO
-            I18N_NATIVE_LANGUAGE
+            I18N_SOURCE_LANGUAGE
         )
         set(__qt_sps_args_multi
-            I18N_LANGUAGES
+            I18N_TRANSLATED_LANGUAGES
         )
         cmake_parse_arguments(__qt_sps_arg
             "${__qt_sps_args_option}"
@@ -3314,11 +3314,12 @@ macro(qt6_standard_project_setup)
         source_group("Source Files/Generated" REGULAR_EXPRESSION "(_metatypes\\.json)$")
 
         # I18N support.
-        if(DEFINED __qt_sps_arg_I18N_LANGUAGES AND NOT DEFINED QT_I18N_LANGUAGES)
+        if(DEFINED __qt_sps_arg_I18N_TRANSLATED_LANGUAGES
-            set(QT_I18N_LANGUAGES ${__qt_sps_arg_I18N_LANGUAGES})
+                AND NOT DEFINED QT_I18N_TRANSLATED_LANGUAGES)
+            set(QT_I18N_TRANSLATED_LANGUAGES ${__qt_sps_arg_I18N_TRANSLATED_LANGUAGES})
         endif()
-        if(DEFINED __qt_sps_arg_I18N_NATIVE_LANGUAGE AND NOT DEFINED QT_I18N_NATIVE_LANGUAGE)
+        if(DEFINED __qt_sps_arg_I18N_SOURCE_LANGUAGE AND NOT DEFINED QT_I18N_SOURCE_LANGUAGE)
-            set(QT_I18N_NATIVE_LANGUAGE ${__qt_sps_arg_I18N_NATIVE_LANGUAGE})
+            set(QT_I18N_SOURCE_LANGUAGE ${__qt_sps_arg_I18N_SOURCE_LANGUAGE})
         endif()
     endif()
 endmacro()

src/corelib/doc/src/cmake/cmake-configure-variables.qdoc

@@ -516,8 +516,8 @@ methods provided by CMake.
 \page cmake-variable-qt-i18n-languages.html
 \ingroup cmake-variables-qtcore
 
-\title QT_I18N_LANGUAGES
+\title QT_I18N_TRANSLATED_LANGUAGES
-\target cmake-variable-QT_I18N_LANGUAGES
+\target cmake-variable-QT_I18N_TRANSLATED_LANGUAGES
 
 \summary {List of languages to be used for project internationalization.}
 
@@ -527,7 +527,7 @@ Specifies a list of languages that are used for project
 internationalization. The single languages must be compatible with the
 string-based \l QLocale constructor.
 
-The languages in \c QT_I18N_LANGUAGES are used to:
+The languages in \c QT_I18N_TRANSLATED_LANGUAGES are used to:
 \list
     \li Set up executable targets for consuming \c{.qm} files.
     \li Automatically construct \c{.ts} file names in
@@ -545,8 +545,8 @@ This variable can be conveniently set with the
 \page cmake-variable-qt-i18n-native-language.html
 \ingroup cmake-variables-qtcore
 
-\title QT_I18N_NATIVE_LANGUAGE
+\title QT_I18N_SOURCE_LANGUAGE
-\target cmake-variable-QT_I18N_NATIVE_LANGUAGE
+\target cmake-variable-QT_I18N_SOURCE_LANGUAGE
 
 \summary {Specifies the language of translatable strings.}
 
@@ -555,7 +555,7 @@ This variable can be conveniently set with the
 Specifies the language of translatable strings in the source code.
 The language must be compatible with the string-based \l QLocale constructor.
 
-Together with \c{QT_I18N_LANGUAGES}, this variable is used to determine the
+Together with \c{QT_I18N_TRANSLATED_LANGUAGES}, this variable is used to determine the
 names of \c{.ts} files for \l{qt6_add_translations}{qt_add_translations()}.
 
 This variable can be conveniently set with the

src/corelib/doc/src/cmake/qt_standard_project_setup.qdoc

@@ -20,8 +20,8 @@
 qt_standard_project_setup(
     [REQUIRES <version>]
     [SUPPORTS_UP_TO <version>]
-    [I18N_LANGUAGES <language...>]
+    [I18N_TRANSLATED_LANGUAGES <language...>]
-    [I18N_NATIVE_LANGUAGE <language>]
+    [I18N_SOURCE_LANGUAGE <language>]
 )
 \endcode
 
@@ -86,11 +86,11 @@ setting the \l{QT_NO_STANDARD_PROJECT_SETUP} variable to true.
 \section1 Internationalization
 
 Since Qt 6.7, it is possible to specify the languages that are used for project
-internationalization with the \c I18N_LANGUAGES argument. See \l
+internationalization with the \c I18N_TRANSLATED_LANGUAGES argument. See \l
-QT_I18N_LANGUAGES for details.
+QT_I18N_TRANSLATED_LANGUAGES for details.
 
-Use I18N_NATIVE_LANGUAGE to specify the native language that translatable
+Use I18N_SOURCE_LANGUAGE to specify the language that translatable strings are
-strings are written in. See \l QT_I18N_NATIVE_LANGUAGE for details.
+written in. See \l QT_I18N_SOURCE_LANGUAGE for details.
 
 \section1 Example