🚀 go-pugleaf

George wrote:

> I have a JTextArea in which a user types SQL Commands.  I'd like to provide
> a token-completion feature i.e when the user types CTRL-space I want to
> bring up a window with a list box of certain database object names (similar
> to what JBuilder provides in the editor).
> 
> My problem is where to position this window.  How can I go from the caret
> location of the JTextArea to the x-y coordinates needed to position the
> window?

Well, the problem should be solvable by drilling
down in the relevant component hierarchies:

Just looking at the JTextField/JTextComponent API, there's

   public Caret getCaret()


Looking at Caret, there's

   public Point getMagicCaretPosition()


If the returned point is relative to the
component itself, do the math after getting
the origin of the component.  There are
a number of relevant Component methods:

   public Point getLocation()

   public Point getLocationOnScreen()


That's how I would proceed in trying to
solve the problem.  I don't have the time
to test whether these would actually solve
your problem.  Give it a try.


-- 


Paul Furbacher (TeamB)

   Save time, search the archives:
        http://www.borland.com/newsgroups/ngsearch.html

   Is it in Joi Ellis's Faq-O-Matic?
        http://www.visi.com/~gyles19/fom-serve/cache/1.html

   Finally, please send responses to the newsgroup only.
   That means, do not send email directly to me.
   Thank you.

Thanks for the help....your suggestions helped me to solve the problem.

Just for reference:
public Point getMagicCaretPosition()  returns the position relative to the
component.
public Point getLocationOnScreen() gives the origin of the component
relative to screen.

Thanks again.
George



"Paul Furbacher [TeamB]" <pfurbacher@mac.com> wrote in message
news:4087de4d$1@newsgroups.borland.com...
> George wrote:
>
> > I have a JTextArea in which a user types SQL Commands.  I'd like to
provide
> > a token-completion feature i.e when the user types CTRL-space I want to
> > bring up a window with a list box of certain database object names
(similar
> > to what JBuilder provides in the editor).
> >
> > My problem is where to position this window.  How can I go from the
caret
> > location of the JTextArea to the x-y coordinates needed to position the
> > window?
>
> Well, the problem should be solvable by drilling
> down in the relevant component hierarchies:
>
> Just looking at the JTextField/JTextComponent API, there's
>
>    public Caret getCaret()
>
>
> Looking at Caret, there's
>
>    public Point getMagicCaretPosition()
>
>
> If the returned point is relative to the
> component itself, do the math after getting
> the origin of the component.  There are
> a number of relevant Component methods:
>
>    public Point getLocation()
>
>    public Point getLocationOnScreen()
>
>
> That's how I would proceed in trying to
> solve the problem.  I don't have the time
> to test whether these would actually solve
> your problem.  Give it a try.
>
>
> -- 
>
>
> Paul Furbacher (TeamB)
>
>    Save time, search the archives:
>         http://www.borland.com/newsgroups/ngsearch.html
>
>    Is it in Joi Ellis's Faq-O-Matic?
>         http://www.visi.com/~gyles19/fom-serve/cache/1.html
>
>    Finally, please send responses to the newsgroup only.
>    That means, do not send email directly to me.
>    Thank you.