Jim,
Thanks for your words of encouragement...
On 5 Oct 2006, at 15:40, Jim Ault wrote:
Event looping and interactions with users has been discussed many
times on
the list over the years. You should try searching for words like
'keyboard', 'trap', 'rawkeydown' 'focus' 'Mac vs Windows vs Linux'
and read
through the many techniques (and limitations)
I've researched all these and understand the concept, but it seems many,
many actions must be stitched together to provide seamless functioning.
Don't rule out the use of a 'dialog box' to limit user interactivity,
if
that can fit into your scheme. This option could provide event/message
simplicity you need.
I'd want to avoid that at all costs (at the moment).
Also, study the way messages work in Rev. There may be messages sent
by Rev
that will surprise you, but they will be one of the keys to harnessing
user
actions. (closefield, enterinfield, keydown, rawkeydown, selection,
etc)
There may be some example stacks that show these interactions and you
can
see some of the gotchas and limitations.
I've scoured archives for relevant examples - none describes suitably.
This is not an area I spend any time working on, since all of my apps
are
for me, or quite simplistic.
Many thanks again.
Adrian
Hope you find all that you are looking for.
Jim Ault
Las Vegas
On 10/5/06 3:38 AM, "Adrian Williams" <[EMAIL PROTECTED]> wrote:
Just to clarify to everyone what I'm trying to do.
Please look at a graphic explanation here...
http://www.clubtype.co.uk/revDev-abc/abc-rev.jpg
Tried Jim Ault's solution, but it works only on existing text
already placed in the field. Any key pressed result in a message.
I need a function that triggers at each keyDown.
I will try Jacqueline/Martin's solution now, with a keyDown
in the editedText field and a lookupchar function in the card.
After this is achieved, at some point I then need to deal with the
keyDown event when the User places the insertion point arbitrarily
in the text to revise a word.
Still plugging away...
Adrian
On 4 Oct 2006, at 00:53, Martin Blackman wrote:
Sounds like there is an error 'cos there is no selected text. Try
putting a keydown handler similar to my/Jacque's recommendation into
the editedtext field script, and the lookupchar function into the
card
or stack script (you can remove the button). Then chars should be
replaced as you type in editedtext. Keep on plugging away..
experimentation and the dictionary are helpful when things don't seem
to work.
So... I made a new main Stack: lookup.rev,
created three fields: editedText, input, output,
and a button to run the script.
ABC is first line of 'input' field.
123 is first line of output filed.
in field editedText, ABC is entered.
Button is pressed.
Result: "Error in handler"
Hint: function.
This function should work in its own right - yes?
Adrian
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