Examples: Use the revisited qt_add_translations signature

Instead of specifying .ts files, we specify languages now.

The i18n/base.ts file is not supposed to be part of the project. It
serves as template for new translations. See the qml-i18n example's
documentation page.

Task-number: QTBUG-117463
Change-Id: I232c1a856e652fc6a31233e7119a1508fba49987
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Serg Kryvonos <serg.kryvonos@qt.io>

examples/qml/qml-i18n/CMakeLists.txt

@@ -4,9 +4,6 @@
 cmake_minimum_required(VERSION 3.16)
 project(qml-i18n LANGUAGES CXX)
 
-set(CMAKE_INCLUDE_CURRENT_DIR ON)
-set(CMAKE_AUTOMOC ON)
-
 if(NOT DEFINED INSTALL_EXAMPLESDIR)
     set(INSTALL_EXAMPLESDIR "examples")
 endif()
@@ -15,6 +12,8 @@ set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/qml/qmli18n")
 
 find_package(Qt6 REQUIRED COMPONENTS Core Gui Quick Qml LinguistTools)
 
+qt_standard_project_setup(I18N_LANGUAGES en en_AU fr)
+
 qt_add_executable(qmli18n WIN32 MACOSX_BUNDLE main.cpp)
 
 target_link_libraries(qmli18n PRIVATE
@@ -32,11 +31,8 @@ qt_add_qml_module(qmli18n
 )
 
 qt_add_translations(qmli18n
-    TS_FILES
-    i18n/base.ts
-    i18n/qml_en.ts
-    i18n/qml_en_AU.ts
-    i18n/qml_fr.ts
+    TS_FILE_BASE qml
+    TS_FILE_DIR i18n
 )
 
 install(TARGETS qmli18n