Try and fix online API docs generation

docs/source/conf.py

@@ -14,6 +14,8 @@
 #
 import os
 import sys
+import sphinxcontrib.htmlhelp
+import sphinxcontrib.applehelp
 import sphinx_rtd_theme
 
 
@@ -112,8 +114,6 @@
 # -- Options for intersphinx extension ---------------------------------------
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'python': ('https://docs.python.org/3', None),
-                       'pygame-ce': ('https://pyga.me/docs/', None),
-                       'pygame': ('https://pyga.me/docs/', None)}
+intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
 
 autodoc_mock_imports = ["ctypes"]

docs/source/theme_reference/theme_text_entry_box.rst

@@ -1,7 +1,7 @@
-.. _theme-text-box:
+.. _theme-text-entry-box:
 
 UITextEntryBox Theming Parameters
-===============================
+=================================
 
 .. raw:: html
 

pygame_gui/core/colour_parser.py

@@ -699,11 +699,13 @@ def split_string_at_indices(strdata: str, indices: Union[List[int], Set[int], Tu
 
 
 def is_valid_gradient_string(strdata: str) -> bool:
-    """Validate a gradient string
-        A gradient string should consist of a 3 or 4 length comma separated list, with the first values being any valid colour strings and the last value representing a degree angle for the direction of the gradient
-        Examples:
-            - "red,blue,40deg"
-            - "#f23,rgb(30, 70, 230),hsv(50, 70%, 90%),50"
+    """
+    Validate a gradient string
+    A gradient string should consist of a 3 or 4 length comma separated list, with the first values being any valid
+    colour strings and the last value representing a degree angle for the direction of the gradient.
+    Examples:
+    - "red,blue,40deg"
+    - "#f23,rgb(30, 70, 230),hsv(50, 70%, 90%),50"
 
     :param strdata: the gradient string to validate
     :type strdata: str
@@ -721,11 +723,13 @@ def is_valid_gradient_string(strdata: str) -> bool:
 
 
 def parse_gradient_string(strdata: str) -> Optional[ColourGradient]:
-    """Parse a gradient string
-        A gradient string should consist of a 3 or 4 length comma separated list, with the first values being any valid colour strings and the last value representing a degree angle for the direction of the gradient
-        Examples:
-            - "red,blue,40deg"
-            - "#f23,rgb(30, 70, 230),hsv(50, 70%, 90%),50"
+    """
+    Parse a gradient string
+    A gradient string should consist of a 3 or 4 length comma separated list, with the first values being any valid
+    colour strings and the last value representing a degree angle for the direction of the gradient
+    Examples:
+    - "red,blue,40deg"
+    - "#f23,rgb(30, 70, 230),hsv(50, 70%, 90%),50"
 
     :param strdata: the gradient string to validate
     :type strdata: str