Merging the Help module (FreeCAD#11008)

* Adding the Help module - fixes 10527, fixes FreeCAD#10512

* Aded Help to pre-commit

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -12,6 +12,7 @@ files: |
         src/Mod/Drawing|
         src/Mod/Fem/App|
         src/Mod/Fem/Gui|
+        src/Mod/Help|
         src/Mod/Import|
         src/Mod/Inspection|
         src/Mod/JtReader|

cMake/FreeCAD_Helpers/InitializeFreeCADBuildOptions.cmake

@@ -106,6 +106,7 @@ macro(InitializeFreeCADBuildOptions)
     option(BUILD_ARCH "Build the FreeCAD Architecture module" ON)
     option(BUILD_DRAFT "Build the FreeCAD draft module" ON)
     option(BUILD_DRAWING "Build the FreeCAD drawing module" OFF)
+    option(BUILD_HELP "Build the FreeCAD help module" ON)
     option(BUILD_IDF "Build the FreeCAD idf module" ON)
     option(BUILD_IMPORT "Build the FreeCAD import module" ON)
     option(BUILD_INSPECTION "Build the FreeCAD inspection module" ON)

src/Mod/CMakeLists.txt

@@ -26,6 +26,10 @@ if(BUILD_FEM)
     add_subdirectory(Fem)
 endif(BUILD_FEM)
 
+if(BUILD_HELP)
+  add_subdirectory(Help)
+endif(BUILD_HELP)
+
 if(BUILD_IDF)
   add_subdirectory(Idf)
 endif(BUILD_IDF)

src/Mod/Help/CMakeLists.txt

@@ -0,0 +1,25 @@
+IF (BUILD_GUI)
+    PYSIDE_WRAP_RC(Help_QRC_SRCS Resources/Help.qrc)
+ENDIF (BUILD_GUI)
+
+SET(Help_SRCS
+    InitGui.py
+    default.css
+    Help.py
+    dlgPreferencesHelp.ui
+)
+
+SOURCE_GROUP("" FILES ${Help_SRCS})
+
+ADD_CUSTOM_TARGET(Help ALL SOURCES ${Help_SRCS} ${Help_QRC_SRCS})
+
+fc_copy_sources(Help "${CMAKE_BINARY_DIR}/Mod/Help" ${Help_SRCS})
+
+IF (BUILD_GUI)
+    fc_target_copy_resource(Help
+        ${CMAKE_CURRENT_BINARY_DIR}
+        ${CMAKE_BINARY_DIR}/Mod/Help
+        Help_rc.py)
+ENDIF (BUILD_GUI)
+
+INSTALL(FILES ${Help_SRCS} ${Help_QRC_SRCS} DESTINATION Mod/Help)