In fact, I tested this, and it works. Though it'd still be cleaner,
somehow, to be able to test for the exit condition within the loop.
Mark
On 20 Mar 2006, at 01:08, Geoff Canyon wrote:
Close, but I don't think this will work. The exit to top in the
escapeKey handler will exit that handler, not the
handlerWithRepeatIMightWantToInterrupt. Instead, set a custom
property in the escapeKey handler, then check that property in your
handlerWithRepeatIMightWantToInterrupt handler and exit there if it
is set. My previous example did something like this with a local
variable, but a custom property would work as well.
gc
On Mar 19, 2006, at 2:51 PM, Mark Smith wrote:
'wait 0 ticks with messages' was the thing - thanks!
So a general (stack-wide) approach might be to use a custom prop
in the stack:
in a control, card or stack:
on handlerWithRepeatIMightWantToInterrupt
set the canInterrupt of this stack to true
repeat forever
wait 0 ticks with messages
doRepeatStuff
end repeat
set the canInterrupt of this stack to false
otherStuff
end handlerWithRepeatIMightWantToInterrupt
then in the stack script
on escapeKey
if the canInterrupt of me then
set the canInterrupt of me to false
exit to top
end if
end escapeKey
Mark
On 19 Mar 2006, at 22:24, Geoff Canyon wrote:
On Mar 19, 2006, at 12:04 PM, Mark Smith wrote:
Andre, the trouble is that in the case of interrupting a repeat
loop, you can't test for whether the escape key is down like you
can with control/option/command.
So use control/option/command, of course :)
But the escape key would be more natural...
This works:
local sGetOut
on mouseUp
put empty
put false into sGetOut
repeat 20000
wait 0 ticks with messages
if sGetOut then exit to top
end repeat
put "completed"
end mouseUp
on escapeKey
put true into sGetOut
end escapeKey
Note that the escapeKey message is delivered to the focused
control, so you can't put it in a button and expect it to work
reliably. Put the above in the card script, then click anywhere
in the card. Some time later "completed" will show in the message
box. Then click the card again and then press the escape key. You
won't get the "completed" text.
gc
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