WIP: Support auto generate the Qt code for a dconfig's json

cmake/DtkDConfig/DtkDConfigConfig.cmake.in

@@ -22,6 +22,7 @@ if(NOT DEFINED DSG_DATA_DIR)
 endif()
 
 add_definitions(-DDSG_DATA_DIR=\"${DSG_DATA_DIR}\")
+
 # deploy some `meta` 's configure.
 #
 # FILES       - deployed files.

cmake/DtkTools/DtkDConfigMacros.cmake

@@ -0,0 +1,51 @@
+# SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+# SPDX-License-Identifier: LGPL-3.0-or-later
+
+include(MacroAddFileDependencies)
+include(CMakeParseArguments)
+
+# Define the helper function
+function(dtk_add_config_to_cpp OUTPUT_VAR JSON_FILE)
+    if(NOT EXISTS ${JSON_FILE})
+        message(FATAL_ERROR "JSON file ${JSON_FILE} does not exist.")
+    endif()
+
+    # Generate the output header file name
+    get_filename_component(FILE_NAME_WLE ${JSON_FILE} NAME_WLE)
+    if(DEFINED OUTPUT_FILE_NAME)
+        set(OUTPUT_HEADER "${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_FILE_NAME}")
+    else()
+        set(OUTPUT_HEADER "${CMAKE_CURRENT_BINARY_DIR}/dconfig_${FILE_NAME_WLE}.hpp")
+    endif()
+
+    # Check if CLASS_NAME is set
+    if(DEFINED CLASS_NAME)
+        set(CLASS_NAME_ARG -c ${CLASS_NAME})
+    else()
+        set(CLASS_NAME_ARG "")
+    endif()
+
+    if(NOT DEFINED USE_QPROPERTY)
+        if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
+            set(USE_QPROPERTY ON)
+        endif()
+    endif()
+
+    if (USE_QPROPERTY)
+        set(USE_QPROPERTY_ARG "--use-qproperty")
+    else()
+        set(USE_QPROPERTY_ARG "")
+    endif()
+
+    # Add a custom command to run dconfig2cpp
+    add_custom_command(
+        OUTPUT ${OUTPUT_HEADER}
+        COMMAND ${DTK_DCONFIG2CPP} -o ${OUTPUT_HEADER} ${CLASS_NAME_ARG} ${USE_QPROPERTY_ARG} ${JSON_FILE}
+        DEPENDS ${JSON_FILE} ${DTK_XML2CPP}
+        COMMENT "Generating ${OUTPUT_HEADER} from ${JSON_FILE}"
+        VERBATIM
+    )
+
+    # Add the generated header to the specified output variable
+    set(${OUTPUT_VAR} ${${OUTPUT_VAR}} ${OUTPUT_HEADER} PARENT_SCOPE)
+endfunction()

cmake/DtkTools/DtkToolsConfig.cmake.in

@@ -10,5 +10,7 @@ endif ()
 include("${CMAKE_CURRENT_LIST_DIR}/Dtk@DTK_VERSION_MAJOR@SettingsToolsMacros.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/Dtk@DTK_VERSION_MAJOR@ToolsTargets.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/DtkDBusMacros.cmake")
+include("${CMAKE_CURRENT_LIST_DIR}/DtkDConfigMacros.cmake")
 
 get_target_property(DTK_XML2CPP Dtk@DTK_VERSION_MAJOR@::Xml2Cpp LOCATION)
+get_target_property(DTK_DCONFIG2CPP Dtk@DTK_VERSION_MAJOR@::DConfig2Cpp LOCATION)

dtkcore.cmake

@@ -10,12 +10,12 @@ message("Current Qt Version: ${QT_VERSION_MAJOR}")
 message("Current Dtk Version: ${DTK_VERSION_MAJOR}")
 
 set(OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
-set (LIBRARY_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}")
-set (INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}/dtk${PROJECT_VERSION_MAJOR}/DCore")
-set (TOOL_INSTALL_DIR "${CMAKE_INSTALL_LIBEXECDIR}/dtk${PROJECT_VERSION_MAJOR}/DCore/bin")
-set (MKSPECS_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/qt${QT_VERSION_MAJOR}/mkspecs/modules" CACHE STRING "Install dir for qt pri files")
-set (FEATURES_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/qt${QT_VERSION_MAJOR}/mkspecs/features" CACHE STRING "Install dir for qt prf files")
-set (CONFIG_CMAKE_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${DtkCore}" CACHE STRING "Install dir for cmake config files")
+set (LIBRARY_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
+set (INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}/dtk${PROJECT_VERSION_MAJOR}/DCore")
+set (TOOL_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBEXECDIR}/dtk${PROJECT_VERSION_MAJOR}/DCore/bin")
+set (MKSPECS_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/qt${QT_VERSION_MAJOR}/mkspecs/modules" CACHE STRING "Install dir for qt pri files")
+set (FEATURES_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/qt${QT_VERSION_MAJOR}/mkspecs/features" CACHE STRING "Install dir for qt prf files")
+set (CONFIG_CMAKE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/cmake/${DtkCore}" CACHE STRING "Install dir for cmake config files")
 set (DSG_PREFIX_PATH "${CMAKE_INSTALL_PREFIX}" CACHE STRING "PREFIX of DSG_DATA_DIRS")
 set (DSYSINFO_PREFIX "" CACHE STRING "PREFIX of DSysInfo")
 
@@ -99,6 +99,9 @@ install(FILES cmake/DtkTools/DtkSettingsToolsMacros.cmake
 install(FILES cmake/DtkTools/DtkDBusMacros.cmake
         DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Dtk${DTK_VERSION_MAJOR}Tools")
 
+install(FILES ${CMAKE_SOURCE_DIR}/cmake/DtkTools/DtkDConfigMacros.cmake
+        DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Dtk${DTK_VERSION_MAJOR}Tools")
+
 if (NOT DTK_VERSION_MAJOR)
     set(DCONFIG_DEPRECATED_FUNCS [=[
 # deprecated since dtk6

tools/CMakeLists.txt

@@ -3,3 +3,4 @@ add_subdirectory(deepin-os-release)
 add_subdirectory(qdbusxml2cpp)
 add_subdirectory(settings)
 add_subdirectory(ch2py)
+add_subdirectory(dconfig2cpp)

tools/dconfig2cpp/CMakeLists.txt

@@ -0,0 +1,26 @@
+set(TARGET_NAME dconfig2cpp)
+set(BIN_NAME ${TARGET_NAME}${DTK_VERSION_MAJOR})
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Core)
+
+add_executable(${BIN_NAME}
+  main.cpp
+)
+
+target_link_libraries(
+  ${BIN_NAME} PRIVATE
+  Qt${QT_VERSION_MAJOR}::Core
+)
+
+set_target_properties(
+  ${BIN_NAME} PROPERTIES
+  OUTPUT_NAME ${TARGET_NAME}
+  EXPORT_NAME DConfig2Cpp
+)
+
+install(
+  TARGETS ${BIN_NAME}
+  EXPORT Dtk${DTK_VERSION_MAJOR}ToolsTargets
+  DESTINATION ${TOOL_INSTALL_DIR}
+)