Help: Use a more-appropriate qthelp namespace and file name.

Use the namespace org.cmake instead of org.sphinx.cmake. Add the
version to the output file name.

Utilities/Sphinx/CMakeLists.txt

@@ -79,6 +79,11 @@ if(SPHINX_QTHELP)
     # https://codereview.qt-project.org/#change,82250 in Qt 4.
     COMMAND ${CMAKE_COMMAND} "-DCSS_DIR=${CMAKE_CURRENT_BINARY_DIR}/qthelp/_static"
       -P "${CMAKE_CURRENT_SOURCE_DIR}/apply_qthelp_css_workaround.cmake"
+    # Workaround sphinx configurability:
+    # https://bitbucket.org/birkenfeld/sphinx/issue/1448/make-qthelp-more-configurable
+    COMMAND ${CMAKE_COMMAND} "-DQTHELP_DIR=${CMAKE_CURRENT_BINARY_DIR}/qthelp/"
+      "-DCMake_VERSION=${CMake_VERSION_MAJOR}${CMake_VERSION_MINOR}${CMake_VERSION_PATCH}"
+      -P "${CMAKE_CURRENT_SOURCE_DIR}/fixup_qthelp_names.cmake"
     COMMAND qcollectiongenerator ${CMAKE_CURRENT_BINARY_DIR}/qthelp/CMake.qhcp
   )
 endif()

Utilities/Sphinx/conf.py.in

@@ -61,3 +61,7 @@ html_theme = 'default'
 html_title = 'CMake %s Documentation' % release
 html_short_title = '%s Documentation' % release
 html_favicon = 'cmake-favicon.ico'
+# Not supported yet by sphinx:
+# https://bitbucket.org/birkenfeld/sphinx/issue/1448/make-qthelp-more-configurable
+# qthelp_namespace = "org.cmake"
+# qthelp_qch_name = "CMake-300.qch"

Utilities/Sphinx/fixup_qthelp_names.cmake

@@ -0,0 +1,32 @@
+
+file(READ "${QTHELP_DIR}/CMake.qhcp" QHCP_CONTENT)
+
+string(REPLACE
+  "<homePage>qthelp://org.sphinx.cmake" "<homePage>qthelp://org.cmake"
+  QHCP_CONTENT "${QHCP_CONTENT}"
+)
+string(REPLACE
+  "<startPage>qthelp://org.sphinx.cmake" "<startPage>qthelp://org.cmake"
+  QHCP_CONTENT "${QHCP_CONTENT}"
+)
+
+string(REPLACE
+  "<output>CMake.qch" "<output>CMake-${CMake_VERSION}.qch"
+  QHCP_CONTENT "${QHCP_CONTENT}"
+)
+string(REPLACE
+  "<file>CMake.qch" "<file>CMake-${CMake_VERSION}.qch"
+  QHCP_CONTENT "${QHCP_CONTENT}"
+)
+
+file(WRITE "${QTHELP_DIR}/CMake.qhcp" "${QHCP_CONTENT}")
+
+
+file(READ "${QTHELP_DIR}/CMake.qhp" QHP_CONTENT)
+
+string(REPLACE
+  "<namespace>org.sphinx.cmake" "<namespace>org.cmake"
+  QHP_CONTENT "${QHP_CONTENT}"
+)
+
+file(WRITE "${QTHELP_DIR}/CMake.qhp" "${QHP_CONTENT}")