better workspace indicator styling

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 4.2.0)
 project(bar)
 
-set(CMAKE_CXX_STANDARD 26)
+set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
@@ -9,6 +9,18 @@ set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG")
 
 find_package(PkgConfig REQUIRED)
 
+# Some CMake versions may enable C++ modules and add compiler flags
+# like `-fmodules-ts`. Older or certain `clang`/`clangd` builds may
+# not accept this flag and will report "Unknown argument: '-fmodules-ts'".
+# Strip that flag when using Clang to avoid diagnostics from clang/clangd.
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|AppleClang")
+    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
+    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
+    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL}")
+    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
+endif()
+
 pkg_check_modules(GTKMM REQUIRED gtkmm-4.0)
 pkg_check_modules(LAYERSHELL REQUIRED gtk4-layer-shell-0)
 
@@ -34,3 +46,19 @@ include_directories(bar_lib PRIVATE
 add_executable(bar main.cpp)
 
 target_link_libraries(bar bar_lib ${GTKMM_LIBRARIES} ${LAYERSHELL_LIBRARIES})
+
+# Copy `resources/bar.css` into the build directory when it changes
+set(RES_SRC "${CMAKE_CURRENT_SOURCE_DIR}/resources/bar.css")
+set(RES_DST "${CMAKE_CURRENT_BINARY_DIR}/resources/bar.css")
+
+add_custom_command(
+    OUTPUT ${RES_DST}
+    COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/resources"
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different "${RES_SRC}" "${RES_DST}"
+    DEPENDS "${RES_SRC}"
+    COMMENT "Copy resources/bar.css to build directory"
+    VERBATIM
+)
+
+add_custom_target(copy_resources ALL DEPENDS ${RES_DST})
+add_dependencies(bar copy_resources)