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From: PAYNE@latlog.UUCP
Newsgroups: comp.windows.x
Subject: X toolkit
Message-ID: <970.8711092045@latlog.co.uk>
Date: Mon, 9-Nov-87 15:45:39 EST
Article-I.D.: latlog.970.8711092045
Posted: Mon Nov  9 15:45:39 1987
Date-Received: Thu, 12-Nov-87 07:23:12 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 42

I have some questions about the X toolkit (my last query did not seem
to get through):

1) How do you register ordinary windows (i.e. not widgets) with the
   dispatcher. If this is not possible then the XtDispatch routine
   should indicate whether or not it used the event?

2) Can more than one function be called automatically by the dispatcher
   for the same widget (or window) and the same event mask?

3) I have got the text widget to work but I have had some problems
   understanding how it should be used:

		     a) When you pass a string to XtTextStringCreate does it use the
        string as a buffer or does it copy the string to its own buffer,
        who is in charge of checking that the buffer does not overflow
        and dealing with it when the end of the buffer is reached?

     b) What I want to do is have a XttextAppend widget where I can send
        it a prompt and then type commands in which I can send to the
        application every time I get a newline. The text widget is
        wonderful for appending text and moving through the text (I love
        the emacs-type functionality) but it seems very hard to get
        information back about what I typed. At the moment I have to
        check key press events and maintain my own buffer, I can't read
        the data itself because I need to distinguish between what the
        user typed and what the application printed.

     c) I assume that the only way for the application to put text into the
        widget is by using XtTextReplace, if this is so and the function
        is public then the typedef for XtTextBlock should be in Text.h
        and not TextP.h? (XtTextBlock is the type of one of the arguments)

4) Do I need to write my own forms or will they appear with the next release?

Should this type of query go straight to the toolkit people? If the answer
is yes could someone tell me who the correct person to send queries to is??

Keep up the good work.

Julian Payne.
European Silicon Structures (ES2).