On 18/04/2010 14:40, Klaus on-rev wrote:
Bom dias Haroldo,
...
Instead of going to card 1 it kept going to the next card each time I pressed
the up arrow key, and after the last card the stack just closed.
you have a little error in your logic, that's why!
Here's my original handler, from the Hypercard stack script, which doens't work:
(handler is in stack script)
on arrowKey whichKey
if whichKey is "right" then
if the optionKey is down then
go first card of next bg
else
## ELSE here means EVERYTHING but "right"!
## Therefore every arrowkey but "right" goes to the next card!
go next card of this bg
end if
end if
if whichKey is "left" then
if the optionKey is down then
go last card of previous bg
else
go previous card of this bg
end if
end if
end arrowKey
Use this instead:
on arrowkey tKey
switch tKey
case "right"
if the optionKey is down then
go first card of next bg
else
go next card of this bg
end if
break
case "left"
if the optionKey is down then
go last card of previous bg
else
go previous card of this bg
end if
break
# Now let all other arrowkeys pass
default
pass arrowkey
break
end switch
end arrowkey
I tend to use "switch" since this makes scripts better readable than lots of
nested "if... then" statements.
Any help would be appreciated. Thank you.
Harold
Best
Klaus
seems unnecessarily long . . . :)
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