runsun runsun at gmail.com
Wed Jun 8 16:05:35 EDT 2016

buttim wrote
> *Full list of abreviations (the | character is not included but shows
> where
> the caret will be positioned):
> c cube([|]);
> d difference() {\n\t|\n}
> f for (i=[|]) {\n\t\n}
> i intersection() {\n\t|\n}
> m module |() {\n\t\n}
> r rotate([|]);
> s sphere(r=|);
> t translate([|])
> u union() {\n\t|\n}
> x ,center=true|
> y cylinder(r=|,h=);

Cool! Since we are here, some more ideas that I have in mind for a while:

Note that cube() can be used in the following ways:

cube();
cube(center=true);
cube(3);
cube(3, center=true);
cube([2,3,4]);
cube([2,3,4], center=true);

That is, total of 6 ways of usage. But the shortcut presented in this thread
only handles one. It would mean that if a user gets used to that shortcut,
he/she will have to manually delete [ ] to proceed in many cases.  To me it
introduces additional mental barrier: first has to remember ctrl-B, then
secondly has to remember when to and not to use ctrl-B, then if that fail,
has to spend more key strokes to clean up, which means significant slowing
down and thus a backward approach. This happens, of course, in other
function/modules.

My suggestion, therefore, is:

c ==> [TAB] => cube(size=|);   // user can either type number or [ . Note
that the argument name is shown. This will be a huge help especially for new
users.

If user types a number ==> cube(size=3|);
or a vector ==> cube( size=[2,3,4]|);

Note that the cursor is still within ( ). At this moment, hit "," brings
you:

cube(size=3, center=true|);
cube(size=[3,4,5], center=true|);

At this moment, user can hit either [TAB] or ",":

: "," will jump the cursor to the end:

cube(size=3, center=true); |
cube(size=[3,4,5], center=true); |

: and [TAB] will cycle through permitted values of the last argument:

cube(size=3, center=false|);
cube(size=[3,4,5], center=false|);

So this pattern, *[TAB] for cycling values and "," for next argument*, will
be followed in ALL function/module, making it a universal usage, no matter
if it's shortcut or not.

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\$  Runsun Pan, PhD \$ libs: doctest , faces ( git ), offline doc ( git ), runscad.py ( 2 , git ), synwrite ( 2 );   \$ tips: hash ( 2 ), matrix ( 2 ), sweep ( 2 ), var ( 2 ), lerp , animation ( gif , prodVid , animlib ), precision ( 2 ), xl-control , type , rounded polygon , chfont , tailRecur ( 2, 3 ), isosphere , area , vol/center , RGB
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