I would like to make c a shortcut for inserting a comment and h a shortcut for highlighting. Other keyboard shortcuts could do, e.g., if modifier keys are required. Pressing one of these keys would be equivalent to pressing the annotation icons in the toolbar:
... so that clicking/selecting using the mouse afterward would perform the desired action. This would immensely improve my reading flow! Is there a way to do this?
An added bonus would be a way to map CTRL + Z to deleting the last annotation.