mailing-list for TeXmacs Users

[Alvaro Tejero Cantero <address@hidden>]

I have it in .TeXmacs/progs/keyboard

-á.



On Thu, Nov 4, 2010 at 19:23, Evan Chou <address@hidden> wrote:
> Hi,
>
> I want to try some of these shortcuts out. Where do I put the
> keyboard-efficient-edit.scm? I tried putting it in the same folder as the
> my-init-texmacs.scm.  Sorry if I'm missing something obvious.
> Evan
>
> On Thu, Nov 4, 2010 at 1:55 PM, Alvaro Tejero Cantero <address@hidden>
> wrote:
>>
>> Dear all,
>>
>> just for reference (see previous thread), here are a few shortcuts I
>> have been using for the last few years and that proved quite helpful.
>> They were developed with Klaus Hornberger during 2005; I have removed
>> those that are not anymore so useful in the present status of TeXmacs
>> or which do not produce well-structured mathematics.
>>
>> I hope you find them useful!
>>
>> file keyboard-efficient-edit.scm, to be loaded as
>>
>> (lazy-keyboard (keyboard kbd-efficient-edit) always?)
>>
>> from .TeXmacs/progs/my-init-texmacs.scm
>>
>>
>>
>> -----------
>> ;++ redefinition of important keys
>> (texmacs-module (keyboard kbd-efficient-edit)
>>  (:use
>>    (math math-edit))
>>    (table table-edit))
>>
>> (kbd-map
>>  (:mode in-text?)
>>
>> ;-- Delete by words
>>  ("S-delete" (begin (kbd-select traverse-right) (clipboard-cut
>> "ternary")))
>>  ("S-backspace" (begin (kbd-select traverse-left) (clipboard-cut
>> "ternary")))
>>
>> ;-- <C-Return> inserts equation array
>>  ("C-return"  (begin (make 'eqnarray) (temp-proof-fix)))
>>
>>
>> (kbd-map
>>  (:mode in-math?)
>> ;-- Easy movement in equations
>> ;;
>> ;; <return> moves to the right, ie, leaves superscripts etc.
>> ;; (except in labels, hybrids,..)
>> ;; and <space> produces a logical multiplicaton
>>  ("return" (if (or (inside? 'hybrid) (inside? 'label)
>>                    (inside? 'phantom) (in-prog?))
>>                (begin (kbd-return))
>>                (begin (go-right))))
>>  ("C-return" (if (or (table-inside? 'eqnarray) (table-inside? 'eqnarray*)
>>                      (inside? 'equation) (inside? 'equation*))
>>                  (begin (kbd-end-line) (go-right) )  ;  leave math
>> environment
>>                 (begin (kbd-return))                ; should be default
>> setting
>> ))
>>
>> ;; Double minus makes unary minus
>>
>>  ("- -" "<um>")
>>
>> ;;Simplified products
>>
>>  ("space" "*")
>>  ("space var" " ")  ; same as S-space
>>
>> ;; <$> switches to text mode
>>
>>  ("$" (make-with "mode" "text"))
>>
>> ;; this would be cool; probably requires binding these key names
>> ;; (obtained from xev) to TeXmacs-recognized keynames; see
>> ;; config-kbd.scm
>>
>>  ("XF86Forward" structured-exit-right)
>>  ("XF86Back" structured-exit-left)
>>
>> )
>>
>> ---------END OF FILE-----------
>>
>> -á.
>>
>>
>>
>> On Thu, Nov 4, 2010 at 18:03, Joris van der Hoeven <address@hidden>
>> wrote:
>> > Hi Alvaro,
>> >
>> > On Thu, Nov 04, 2010 at 08:32:48AM +0100, Alvaro Tejero Cantero wrote:
>> >> > Checking some of my existing documents made me discover several
>> >> > typos,
>> >> > which could have been corrected, so if the semantic mode is not
>> >> > too much of a burden, then it actually has some immediate advantages.
>> >> > Not to speak about CAS interfaces.
>> >>
>> >> I understand now. However for most people /invisible typos/ won't be an
>> >> issue.
>> >
>> > The typos captured by the semantic modes are not necessarily invisible,
>> > even though invisible typos are among the most frequent ones.
>> >
>> >> > The number of Ctrl-Spaces will probably not increase.
>> >> > In the formula "a+b+c+d", I was thinking of outward selecting
>> >> > "a+b-c+d" right after, say "b" (anyway, the decision between "a+b"
>> >> > and "b-c" would not be clear). On the other hand, you should be
>> >> > able to select "a+b", "b-c", "a+b-c", "b-c+d" and "a+b-c+d"
>> >> > using the mouse or S-left, S-right (but not "c+d").
>> >>
>> >> Above you mention that selecting x*y in 1/x*y is not selectable by
>> >> default - do you mean that semantic mode has to be deactivated for
>> >> that to work? because it is not possible now even with S-Left and
>> >> S-Right.
>> >
>> > Yes, you should either 1) deactivate it, 2) place x*y inside invisible
>> > brackets right from the start. Indeed, semantically speaking,
>> > x*y is *not* a valid subexpression of 1/x*y (similarly,
>> > /x is not a valid subexpression of 1/x*y).
>> >
>> >> In the documentation it doesn't speak about how to create the
>> >> invisible parentheses.
>> >
>> > Yes, this should be detailed.
>> >
>> >> (btw. it may become instructive to at some
>> >> point have an option to have all invisible characters displayed for
>> >> example in light grey, the way some word processors allow showing
>> >> carriage returns).
>> >
>> > Agreed.
>> >
>> >> > That might indeed be a good idea inside mathematical formulas.
>> >> > And if we want to leave on the left? S-enter?
>> >>
>> >> Could be. I am not trained to leave on the left
>> >
>> > That would be required in order to treat subscripts and superscripts
>> > using the same system.
>> >
>> >> >> > At the very start of TeXmacs, I experimented
>> >> >> > markup for subscripts and superscripts with their base and found
>> >> >> > it
>> >> >> > less natural than the current solution.
>> >> >>
>> >> >> I don't understand what was the difference. But they are fine now,
>> >> >> it's only entering multiple indexes that is annoyingly long.
>> >> >
>> >> > Maybe I should add structured-up and structured-down inside
>> >> > subscripts?
>> >>
>> >> How would this help with the indexes as in a_{ijk}? But yes, I am for
>> >> all sorts of structured navigation. I guess up goes to subscript owner
>> >> and down to further (possible) scripts?
>> >
>> > I misunderstood you; I was thinking about adding a superscript
>> > after typing a subscript.
>> >
>> >> >> ',,' indeed is an excellent compromise.
>> >> >
>> >> > We might also use A-, by the way (or C-, depending on the OS).
>> >>
>> >> I tend to prefer ,,  ,it seems faster to me than A- or C-
>> >
>> > It might actually even be better to use "space" as a toggle
>> > to make the adjacent character invisible (whenever applicable).
>> >
>> > Best wishes, --Joris
>> >
>
>