[Lcdproc] Handy like input method.

[Andrew Foss]

Hmmm, good ???'s.

It seems the key input processing should fit nicely into the structure, 
as is.

The key function mapping, as it is, seems a bit limiting in practice and 
might be a candidate for refactoring?

andrew

Marcus Priesch wrote:
> Hi Andrew,
>
> thanks, i know the input methods - but lcdproc is so modular that you
> even could attach an alphanumeric keypad - at least with the h44780
> driver you have the possibility to connect up to 11x5 == 55 keys - which
> should definitely be enough for 10 digits and 26 alpha's ;-)
>
> so the question from my point is rather where to put the magic
> "multi-function code" inside lcdproc ... 
>
> i see the following problems:
>
>  a) in the config file you must define somehow the various "keys"
>     generated by this key - e.g.  KeyMatrix_1_2=2|A|B|C
>
>  b) when using numerical input you have to ignore the "other" keys
>
>  c) when using alphanumerical input you have to 
>     - display the currently selected digit
>     - switch to the next digit on a successive keypress
>     - when the timeout expires (or another key gets pressed) you 
>       have to jump to the next character
>    
> so each part needs it's place in the lcdproc tree ... ?!?!
>
> who decides if a) is the correct notation ? - or should i go ahead with
> it and post the patch if i'm ready ???
>
> is there a desgin discussion (based on irc?) about such enhancements ?
>
> i'm planning to add this functionality to the lcdproc repository if
> anyone is interested in it - otherwise i can also implement it in my
> application - but i thing it's better suited in lcdproc than in the
> application talking to lcdproc.
>
> i think 4key input (cursor cross) is ok - at a minimum, but to use
> lcdproc also in envirnments where you have more keys and a display -
> i.e. any linux embedded device with keys and a simple lcd - we should
> also have a solution at hand ;-) 10 numeric keys could be the next
> "medium" step to support (out-of-the-box (tm)) ;) 
>
> well ... how to proceed ?
>
> btw: wasnt there an "input" widget in the 0.4.x release ?? - i cant find
> the developer doc - the link on the lcdproc page is broken ... :(
>
> btw2: the keypad is part of the inca-ip evaluation board you can get
> from infineon ;) - and its 28 keys in total ... ;)
>
> greets,
> mexx.
>  
>
> On Fri, 2006-05-05 at 07:50 -0700, Andrew Foss wrote:
>
>   
>> Marcus,
>>
>> today there's inputs for alpha, numeric and IP addresses, ring lists,
>> slider bars, etc.
>>
>> The alpha numeric are currently geared toward 4 arrow keys, so each up
>> arrow press gives you 0,1,2,3 etc.
>>
>> It would be a very simple addition to do a 9 key telephone style pad
>> if you have an lcd w/ a 9 button key pad already. Who makes such a
>> thing, btw?
>>
>> andrew
>>
>> -----Original Message-----
>> From: lcdproc-admin@lists.omnipotent.net on behalf of Marcus Priesch
>> Sent: Fri 5/5/2006 5:34 AM
>> To: LCDproc
>> Subject: [Lcdproc] Handy like input method.
>>
>> Hi Folks,
>>
>> first of all a big thanks to the LCDproc development team ! - its a
>> great piece of software !!!
>>
>> now for the real fun: i am working on a voip phone with a hd44780
>> display. i have managed to port LCDproc to use the display - it's
>> connected via a serial port and to read the keys from the proprietary
>> hardware ... so far so good ;)
>>
>> as with an ip-phone someone occasionally wants to enter alphanumerical
>> text - e.g. username / password. I plan to use the input scheme used
>> also on mobile phones - i dont know the name for this, but the idea is
>> to press for example the digit "2" more times to get the letters "A",
>> "B", "C" - i think you all know what i mean ;)
>>
>> My thought (and question) now is: is there any ongoing effort in
>> LCDproc
>> for such an extension, and how and where would it be implemented best
>> way.
>>
>> i'm using 0.5.0 version of LCDproc ...
>>
>> thanks a lot for your effort ;)
>>
>> greets,
>> mexx.
>>
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>>
>>
>>     
>
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