First pass at handling menus in wine.

CMakeLists.txt

@@ -7,6 +7,18 @@ set(WINE_ACCESS_INSTALL_DIR "${CMAKE_INSTALL_LIBEXECDIR}/cthulhu/wine" CACHE PAT
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
 find_program(WIDL_EXECUTABLE widl REQUIRED)
+find_program(MINGW_C_COMPILER x86_64-w64-mingw32-gcc REQUIRED)
+
+# A PE hook DLL can be loaded into ordinary Wine applications without any
+# GLib dependencies. Keep it alongside the Winelib helper.
+set(menu_hook "${CMAKE_CURRENT_BINARY_DIR}/wine-access-menu.dll")
+add_custom_command(OUTPUT "${menu_hook}"
+    COMMAND "${MINGW_C_COMPILER}" -std=c11 -O2 -Wall -Wextra -shared
+            -static-libgcc -o "${menu_hook}" "${CMAKE_CURRENT_SOURCE_DIR}/menu_hook.c"
+            -luser32
+    DEPENDS menu_hook.c menu_bridge.h
+    VERBATIM)
+add_custom_target(wine-access-menu ALL DEPENDS "${menu_hook}")
 
 set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
 set(generated_header "${generated_dir}/nvdaController.h")
@@ -21,6 +33,7 @@ add_custom_command(
     VERBATIM)
 
 add_executable(cthulhu-wine-access main.cpp "${generated_server}")
+add_dependencies(cthulhu-wine-access wine-access-menu)
 target_compile_features(cthulhu-wine-access PRIVATE cxx_std_20)
 target_include_directories(cthulhu-wine-access PRIVATE "${generated_dir}")
 target_link_libraries(cthulhu-wine-access PRIVATE
@@ -35,4 +48,5 @@ target_compile_options(cthulhu-wine-access PRIVATE
 install(FILES
     "${CMAKE_CURRENT_BINARY_DIR}/cthulhu-wine-access.exe"
     "${CMAKE_CURRENT_BINARY_DIR}/cthulhu-wine-access.exe.so"
+    "${menu_hook}"
     DESTINATION "${WINE_ACCESS_INSTALL_DIR}")