Documentation browser, improved error messages

cmake/GenerateDocs.cmake

@@ -0,0 +1,20 @@
+message(STATUS "Generating docs")
+
+find_package(Python3 COMPONENTS Interpreter)
+
+if(Python3_Interpreter_FOUND)
+    execute_process(COMMAND python3 contrib/docs/generate.py
+                    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+
+    FILE(GLOB DOCS LIST_DIRECTORIES false "src/assets/docs/*")
+
+    foreach(FILE ${DOCS})
+        cmake_path(GET FILE FILENAME FILE_REL)
+        list(APPEND QRC_LIST "        <file alias=\"${FILE_REL}\">${FILE}</file>")
+    endforeach()
+
+    list(JOIN QRC_LIST "\n" QRC_DATA)
+    configure_file("cmake/assets_docs.qrc" "${CMAKE_CURRENT_SOURCE_DIR}/src/assets_docs.qrc")
+else()
+    message(WARNING "No Python3 interpreter, skipping docs.")
+endif()

cmake/assets_docs.qrc

@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+    <qresource prefix="/docs">
+        @QRC_DATA@
+    </qresource>
+</RCC>