When activated, double clicking on parts of the canvas
will invoke certain popups.
- left of graph frame
- y axis label/ticks
- below graph frame
- x axis label/ticks
- on focus markers
- move selected viewport corner
- within graph frame
- Edit nearest set
symbols or
Read sets
if none active
- right of graph frame
- Legend
- above graph frame
- Titles/subtitles
This behavior can be turned on or off in the
Options/Misc menu.