Xaw3d asciiTextWidget: how to scroll right without scrollbar Post: 302545747

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Special Forums UNIX Desktop Questions & Answers Xaw3d asciiTextWidget: how to scroll right without scrollbar Post 302545747 by Bibi Monash on Tuesday 9th of August 2011 11:07:03 AM

08-09-2011

Registered User

Xaw3d asciiTextWidget: how to scroll right without scrollbar

this is kinda solved
Hi

I need to program an ordinary text field which scrolls to the right when it gets filled. It must be in Xaw3d. I cannot get the asciiTextWidget to do it.

Which resource do you need to set in asciiTextWidget to allow the widget to scroll to the right when typing text in it (without showing the scrollbar: like in the address bar in firefox, or in any other text field in the world)?

In asciiTextWidget, when i fill a (one-line) text widget, the last typed characters become invisible. This is what also happens in eg. the xfig application,and is not what I want.
However,in the xfm file manager popups (like 'install' from the application window), the text scrolls to the right, hiding the letters on the left side. I cannot find anything in the app-defaults which causes this behavior. When I compile xfm myself, it does not allow this scrolling, but xfm from my (Linux abd BSD) distributions does, so I think it must be in the resources somewhere.

Looking it up, in xfm source code, the function call is in createPopupQuestions(). When I try this same function with the text_args from the same source, I still do not get the behavior I need

Code:

static Arg text_args[] = {
  { XtNfromHoriz, (XtArgVal) NULL },
  { XtNfromVert, (XtArgVal) NULL },
  { XtNstring, (XtArgVal) "Text which needs to be scrolled"},
  { XtNlength, (XtArgVal)15   },
  { XtNwidth, (XtArgVal) 200  },
  { XtNtop, XtChainTop },
  { XtNbottom, XtChainTop },
  { XtNleft, XtChainLeft },
  { XtNright, XtChainRight },
  { XtNeditType, XawtextEdit },
  { XtNtype, XawAsciiString },
};



 vert=XtCreateManagedWidget("text", \
       asciiTextWidgetClass, form_widget,text_args , XtNumber(text_args ));

Thanx for any tips

Last edited by Bibi Monash; 08-15-2011 at 07:49 PM.. Reason: solved

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LEARN ABOUT DEBIAN

ticker

NAME(1) 						      General Commands Manual							   NAME(1)

NAME

       ticker - scroll messages across the screen

SYNOPSIS

       ticker [options] [message]

DESCRIPTION

       ticker  is  a  program  that  continually scrolls a given message across the screen.  There is also an interface to allow other programs to
       change the message.

KEYS

       +, [up arrow]
	      Increase scroll speed.

       -, [down arrw]
	      Decrease scroll speed.

       [space]
	      Pause. Press any key to unpause.

OPTIONS

       -h, --help
	      Show summary of options.

       -u, --upper
	      Scroll text on the top line of the screen. (Default)

       -l, --lower
	      Scroll text on the bottom line of the screen.

       -fcolor, --foreground=color
	      Use the specified color as the forground color of the text that is scrolled.  The colors that may be used are:
	       black	       gray
	       red	       brightred
	       green	       brightgreen
	       brown	       yellow
	       blue	       brightblue
	       magenta	       brightmagenta
	       cyan	       brightcyan
	       lightgray       white

       -bcolor, --background=color
	      Use the specified color as the background color of the text that is scrolled. On most terminals, the background color  can  only	be
	      one of the colors listed in the first column above.

       -dsecs, --delay=secs
	      Number  of  seconds  delay  between updates of the display. This controls how fast the text scrolls. You may use decimals to specify
	      faster scroll speeds.  The default delay is 1 second; I find 0.1 more pleasing.

       -snum, --sysv=num
	      Read messages to display from the sysv shared memory segment with an id of num. This is only for use by other programs that need	to
	      be able to change the text ticker displays.

       -Snum, --size=num
	      Size of the shared memory segment to read, when using shared memory communication with another program. Default is 80 characters.

       -csecs, --check=secs
	      Minimum time between checks of the shared memory segment for a new message.  Default is every second. It may in fact check consider-
	      ably less often, as it only checks for a new message once per time that the current message scrolls around the screen.

       message
	      The message to scroll. Required unless -s is used, in which case it is optional.

NOTES

       To use the other 23 or so lines of your screen for something useful while the ticker is running, you might want to use splitvt(1)

AUTHOR

       Joey Hess <joey@kitenet.net>

																	   NAME(1)