From ce08a54d4205924141f3c748edc256a9eaa5d312 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Fri, 13 Mar 2020 16:06:58 +0300
Subject: [PATCH] bos #18858 Use sphinx_rtd_theme as theme for SALOME
 documentation built with Sphinx

---
 doc/gui/conf.py.in               | 19 +++++++++++++++++--
 src/PythonAPI/doc/source/conf.py | 19 +++++++++++++++++--
 2 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/doc/gui/conf.py.in b/doc/gui/conf.py.in
index 799a1d593..97e16e27b 100644
--- a/doc/gui/conf.py.in
+++ b/doc/gui/conf.py.in
@@ -18,6 +18,7 @@
 #
 import os
 import sys
+import sphinx
 # sys.path.insert(0, os.path.abspath('.'))
 
 
@@ -36,6 +37,12 @@ try:
   extensions += ['sphinxcontrib.napoleon']
 except:
   pass
+try:
+  import sphinx_rtd_theme
+  extensions += ['sphinx_rtd_theme']
+  use_rtd_theme = True
+except:
+  use_rtd_theme = False
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = [os.path.join('@CMAKE_CURRENT_SOURCE_DIR@','templates')]
@@ -89,13 +96,21 @@ pygments_style = 'sphinx'
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = '@SPHINX_THEME@'
+if use_rtd_theme:
+  html_theme = 'sphinx_rtd_theme'
+else:
+  html_theme = 'default' if sphinx.version_info[:2] < (1,3) else 'classic'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
 #
-# html_theme_options = {}
+themes_options = {}
+themes_options['classic'] = {
+  'body_max_width':'none',
+  'body_min_width':0,
+}
+html_theme_options = themes_options.get(html_theme, {})
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
diff --git a/src/PythonAPI/doc/source/conf.py b/src/PythonAPI/doc/source/conf.py
index a16b5f3eb..0f2c6144e 100644
--- a/src/PythonAPI/doc/source/conf.py
+++ b/src/PythonAPI/doc/source/conf.py
@@ -12,6 +12,7 @@
 
 import sys
 import os
+import sphinx
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -37,6 +38,12 @@ extensions = [
     'sphinx.ext.napoleon',
     'sphinx.ext.autosummary',
 ]
+try:
+  import sphinx_rtd_theme
+  extensions += ['sphinx_rtd_theme']
+  use_rtd_theme = True
+except:
+  use_rtd_theme = False
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -106,12 +113,20 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+if use_rtd_theme:
+  html_theme = 'sphinx_rtd_theme'
+else:
+  html_theme = 'default' if sphinx.version_info[:2] < (1,3) else 'classic'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
-#html_theme_options = {}
+themes_options = {}
+themes_options['classic'] = {
+  'body_max_width':'none',
+  'body_min_width':0,
+}
+html_theme_options = themes_options.get(html_theme, {})
 
 # Add any paths that contain custom themes here, relative to this directory.
 #html_theme_path = []
-- 
2.39.2