[R-SIG-Mac] UI suggestion: allow a tab with no more suggestions to fill in "$"

cgw at witthoft.com cgw at witthoft.com
Wed May 25 13:51:06 CEST 2016

I have to agree with Simon here that "best guess" will only lead to pain
in many cases.  

The best solution, albeit the most painful for Simon :-( , is to have a
Preferences pane where the user can specify what a tab does, i.e.
"nothing", " $", "@" , "$first_named_list_item", and so on.   But even
then, what if there are objects  "foo"  and "foolish" in your workspace?
 You want to write  "foo$bar" , but which gets precedence when you enter
a tab?  "foo$bar" or "foolish" ?

[Tim wrote...]
1. When a name is already complete, when the user pushes tab again, they
are expecting ?more? name completion, i.e.,  they want to access a $ or
@ sub-component. Currently, nothing happens, and the user feels
?thwarted?? like the typing ?Simon" but then having to type a space and
a tab to get "Urbanek" :-)

2. Most object components are $ indexed rather than @ indexed), so $ is
the best guess.
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