Mouse is on top of empty space in the content (e.g. after line text or below last line)
Mouse is on top of text in the content.
Mouse is on top of a view zone in the content.
Mouse is on top of a content widget.
Mouse is on top of the glyph margin
Mouse is on top of the line decorations
Mouse is on top of the line numbers
Mouse is on top of the whitespace left in the gutter by a view zone.
Mouse is outside of the editor.
Mouse is on top of an overlay widget.
Mouse is on top of the decorations overview ruler.
Mouse is on top of a scrollbar.
Mouse is on top of the textarea used for input.
Mouse is on top of an unknown element.
Type of hit element with the mouse in the editor.