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From: pjp@sloth.mlb.semi.harris.com (Pat J. Pinchera)
Newsgroups: comp.windows.x.motif
Subject: Re: Using the return key for traversal?
Summary: a solution
Keywords: Help, Traversal
Message-ID: <1991May7.171327.7656@mlb.semi.harris.com>
Date: 7 May 91 17:13:27 GMT
References: <1991Feb12.113638.5936@siesoft.co.uk>
Sender: news@mlb.semi.harris.com
Distribution: comp
Organization: Interface & Control Systems, Inc.
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In article <1991Feb12.113638.5936@siesoft.co.uk> stuart@siesoft.co.uk (Stuart Hood) writes:
>Hardware: Siemens WX200.
>Software: SCO Development Kit (Motif 1.0, X11 release 3).
>
>I have a main window with two child, text widgets.  The main window
>is a tab group so that the user may use the cursor up and down keys
>to navigate between the two text objects.
>
>I would like somehow to have the return key behave like the cursor
>down key, i.e. if the user hits return then it navigates to the
>next text object as if they had pressed the cursor down key.
>
>I could add an activate callback to each widget and then navigate
>to the desired widget using _XmGrabTheFocus() but this seems a
>little messy.  I would be happier using XmProcessTraversal but
>I do not have Motif 1.1.
>
>I would be grateful to anyone who can come up with a cleaner method
>of doing this.
>
>Stuart.

I just posted an answer to another person asking a similar question. At
the risk of wasting a little bandwidth, here's the solution I
implemented with 1.0 (credit goes to some kind soul on the net who
responded to my request several months ago).

	I had to add the widget(s) to a tab group so that a regular
<Tab> would make the cursor move between the text fields. Than had to
make the <Return>, and 'down-arrow' look like a <Tab> to Motif; this 
is done with XtOverrideTranslations.

Here is a code excerpt:

        /*
	** make the text widgets part of a 'Tab Group' so that user
	** can tab between text fields. See PG9-3, PG1-6, PR1-163
	** PG = Motif Programmer's Guide, v1.0, 
	** PR = Motif Programmer's Reference, v1.0
	*/
	XmAddTabGroup ( widget );
						       
        /*
        ** make <Return>, Down-Arrow act like a Tab;
        ** make Up-Arrow act like a Shift-Tab (back tab)
        */
        XtOverrideTranslations(widget, XtParseTranslationTable
                                    ("<Key>Return:next-tab-group()\n\
                                      <Key>Down:next-tab-group()  \n\
                                      <Key>Up:prev-tab-group()"));


-- 
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  Patrick J. Pinchera            |  Interface & Control Systems, Inc.
  pjp@sloth.mlb.semi.harris.com  |  Melbourne, Florida, USA
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