Merge pull request #663 from MyreMylar/progress-docs

document progress bar methods/property

Author: MyreMylar

pygame_gui/elements/ui_progress_bar.py

@@ -47,13 +47,23 @@ def __init__(self,
 
     @property
     def progress_percentage(self):
+        """
+        Get the current percentage progress of the bar from 0.0 to 1.0
+
+        :return: a float from 0.0 to 1.0
+        """
         return self.current_progress / self.maximum_progress
 
     def status_text(self):
         """ Subclass and override this method to change what text is displayed, or to suppress the text. """
         return f"{self.current_progress:0.1f}/{self.maximum_progress:0.1f}"
 
     def set_current_progress(self, progress: float):
+        """
+        Set the current percentage progress of the bar
+
+        :param progress: a float from 0.0 to 100.0
+        """
         # Now that we subclass UIStatusBar, set_current_progress() and self.current_progress are mostly here for backward compatibility.
         self.current_progress = progress