chore: baseline usable version

libs/qwindowkit/qmsetup/cmake/modules/private/OperatingSystem.cmake

@@ -0,0 +1,37 @@
+include_guard(DIRECTORY)
+
+function(qm_get_windows_proxy _out)
+    if(NOT WIN32)
+        return()
+    endif()
+
+    execute_process(
+        COMMAND reg query "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings" /v ProxyEnable
+        OUTPUT_VARIABLE _proxy_enable_output
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
+    )
+
+    if(NOT _proxy_enable_output MATCHES "ProxyEnable[ \t\r\n]+REG_DWORD[ \t\r\n]+0x1")
+        return()
+    endif()
+
+    execute_process(
+        COMMAND reg query "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings" /v ProxyServer
+        OUTPUT_VARIABLE _proxy_server_output
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
+    )
+
+    if(NOT _proxy_server_output MATCHES "ProxyServer[ \t\r\n]+REG_SZ[ \t\r\n]+(.*)")
+        return()
+    endif()
+
+    set(${_out} ${CMAKE_MATCH_1} PARENT_SCOPE)
+endfunction()
+
+macro(qm_set_proxy_env _proxy)
+    set(ENV{HTTP_PROXY} "http://${_proxy}")
+    set(ENV{HTTPS_PROXY} "http://${_proxy}")
+    set(ENV{ALL_PROXY} "http://${_proxy}")
+endmacro()