OpenEuphoria

RE: Live Tutoria?

• Posted by don cole <doncole at pacbell.net> Jan 22, 2006
• 494 views

Lynn Kilroy wrote:
> 
> I do have a question.  Inkey outputs an integer, which is good because 
> all my filters use the integer values for sorting out the keys.  But 
> this is also bad because I try using ColorLocatePrintTextOnly, and 
> ColorLocatePrintTextOnly, as in QBasic, expects only a string.  How do I 
> fix this?
> 
> Love & Friendship & Blessed Be!
> Lynn Erika Kilroy
> 
> 
I posted some code explaning that but you said it was all greek to you.

I will try again with further explination.

You wanted to know if Esc was 27 in euphoria like Q Basic this code will

answer that question.

------------------code------------------

---ascii.ex find the ascii code of a keystroke

include get.e
-- the wait_key function is in here
include graphics.e 
--the colors are in here

integer key--declare our only vriable
 
while 1 =1 do--loop to keep doing wait_keys
  text_color(BRIGHT_BLUE)--purty stuff
 puts(1,--prints to the screen(1) text
      "[F1](315)to Exit  ")--the text actually printed
puts(1,"< Hit Any Key >")--note the lack of any "\n"(carriage return or next
 line)
                          --so both puts are printed on the same line

    key = wait_key()--returns an integer
   if key=315 then --if it is asc for F1 then quit program
       exit
   end if
 text_color(WHITE)--more purdy stuff
  printf(1,--print formatted to the screen(1)
"\nprintf sequence=%s",--a carriage return folowed by th text 'printf
         sequence='
--The % means the next letter will not be
                                printed
--%s is a code to tell euphoria the way it will
                                be printed
                                --in this case %s means sequence or string
--the %s will be printed to the screen as a
                                string
          {key})--this is what %s interpets 
                --in this case key as text or string or sequence
                --if the 'f' key was struck then 'f' would be printed
  printf(1,--same as above
"\nprintf decimal=%d\n",--same as above but noice that the %s has been
          changed
--to %d the code to tell euphoia to print as a
                                  decimal
                                  -- note the carriage return "\n" here
{key})         --so if the 'f' key was struck the 102 would be
           printed here.
  printf(1,"ascii=%d\n",{key})
  printf(1,"euphoria expresion=%d\n",{key})
end while

I would like to point out that 
         ?a is the same as printf(1,"%d",a) and
  puts(1,a} is the same as printf(1,"%s",{a})

  You should really study the help file on printf.
  I really like David Gay's tutorial in the archives (witten in dos)
http://www.rapideuphoria.com/cgi-bin/asearch.exu?dos=on&win=on&lnx=on&gen=on&keywords=gay
   
One more thing the code that Jason Gade sent you, input() will handle long
strings like Qbasic's INPUT whare as my code only handles one chr at a time.

I would  also point out that a string always = sequence but a sequence
does not always = a string.(Again see Gay's tutorial)

I know this might be a bit much but I hope it helps.
I like your idea of sticking with Dos for now. 
That what I did when I first started  w/Euphoria.

Don Cole
 A Bug is an un-documented feature.
A Feature is a documented Bug.