Using resources instead of .ui files.

CMakeLists.txt

@@ -1,10 +1,12 @@
 cmake_minimum_required(VERSION 3.30)
-project(BillyGui LANGUAGES CXX)
+project(BillyGui LANGUAGES C CXX)
 
 include(FetchContent)
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(GTKMM4 REQUIRED IMPORTED_TARGET gtkmm-4.0)
 
+find_program(GLIB_COMPILE_RESOURCES NAMES glib-compile-resources REQUIRED)
+
 fetchcontent_declare(BillySheet
         GIT_REPOSITORY https://gitea.pcornatcloud.fr/Pcornat/BillySheet.git
         GIT_TAG main
@@ -73,13 +75,41 @@ set(SPDLOG_NO_TLS ON)
 set(SPDLOG_NO_ATOMIC_LEVELS ON)
 fetchcontent_makeavailable(spdlog)
 
+set(GRESOURCE_C resources.c)
+set(GRESOURCE_XML billy_gui.gresource.xml)
+
+# Step 2:
+add_custom_command(
+        OUTPUT ${GRESOURCE_C}
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+        COMMAND ${GLIB_COMPILE_RESOURCES}
+        ARGS
+        --target=${CMAKE_CURRENT_BINARY_DIR}/${GRESOURCE_C} ${GRESOURCE_XML} --generate-source
+        VERBATIM
+        MAIN_DEPENDENCY ${GRESOURCE_XML}
+        DEPENDS window_ui.ui menu_bar.ui
+)
+
+# Step 3:
+add_custom_target(
+        dummy-resource
+        DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${GRESOURCE_C}
+)
+
 add_executable(${PROJECT_NAME} main.cpp
         hello_world.cpp
         hello_world.hpp
         app_win_2_back.cpp
         app_win_2_back.hpp
+        ${CMAKE_CURRENT_BINARY_DIR}/${GRESOURCE_C}
 )
 
+set_source_files_properties(
+        ${CMAKE_CURRENT_BINARY_DIR}/${GRESOURCE_C}
+        PROPERTIES GENERATED TRUE
+)
+add_dependencies(${PROJECT_NAME} dummy-resource)
+
 set_target_properties(${PROJECT_NAME} spdlog_header_only PROPERTIES
         CXX_STANDARD 23
         CXX_STANDARD_REQUIRED ON