newRPL: Interactive stack

[Claudio L.]

(11-09-2015 08:26 PM)Claudio L. Wrote:  

(11-09-2015 03:14 PM)Han Wrote:  I prefer just +/- for toggling; maybe . for toggling as well? ENTER has been used for DUP; perhaps we could use ENTER for "dup-in-place". That is, copy the currently focused stack level and insert the copy right at the cursor.

What about the other ideas for when no selection has been made (e.g. left/right arrow with no shift swapping current stack level with item immediately above/below, etc.)?

Oh, I didn't write them I guess.
Since left cursor means "copy at current cursor", and there's no selection, it makes sense for it to DUP the current item in place.
The right cursor means "move at current cursor", when no selection it shouldn't move anything (the current item into the current position), but we could make an exception and make it swap with the item above, so it would work the same as right cursor when you are not in interactive mode.

Regarding the +/- and period, I have no problem.
Enter for DUP would be a duplicate of left cursor. However, I think Enter should be PICK (or DUP into level 1). This action is quite common, and would otherwise require you to either select an item, or use left cursor to DUP it in place, then alpha-up to ROLLD the new item. I think it deserves a designated key.

EDIT: I just realized you don't need to DUP and ROLLD, since Right-shift left cursor would copy the element to top of stack. I guess Enter would be a duplicate for Right-shift left cursor then, not sure if it's worth it.

One more thing to add here:
I think the backspace key needs to delete (as in remove from the stack and lose forever) the current selection, and if no selection, it should delete the item at the cursor. The previous description had ways to copy/cut/paste, but none to DROP items.