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Unix Users: Enable IDL Widget Scrolling [message #47063]

Sun, 22 January 2006 15:40

JD Smith
Messages: 850
Registered: December 1999

Senior Member

Ever wished you could use that mouse scroll wheel or ball on IDL
widgets? IDL users of MacOSX/Unix can enable this ever so useful
functionality with a bit of Motif X resource hackery. Simply add:

*XmList.baseTranslations: #augment Shift<Btn5Down>: ListNextItem()\n\
Shift<Btn4Down>: ListPrevItem()\n\
<Btn5Down>: ListNextPage()\n\
<Btn4Down>: ListPrevPage()\n

*XmScrollBar.baseTranslations: #augment <Btn4Down>: IncrementUpOrLeft(0) IncrementUpOrLeft(1)\n\
<Btn5Down>: IncrementDownOrRight(0) IncrementDownOrRight(1)\n

*XmText.baseTranslations: #augment Shift<Btn4Down>: page-left()\n\
Shift<Btn5Down>: page-right()\n\
<Btn4Down>: scroll-one-line-up()\n\
<Btn5Down>: scroll-one-line-down()\n

to your ~/.Xdefaults file, restart X11 and IDL, and scroll away on lists
and text widgets. Those random back slashes and newline commands aren't
line noise, they need to be included.

In IDL widget lists, scroll does page up/down, whereas shift-scroll
moves the "dotted" selection by one. When the mouse is over the
scrollbar itself, the scroll wheel moves a line at a time. Text widgets
are similar.

If anyone at RSI is listening, something like this would be a very good
addition to the "$IDL_DIR/idl/resource/X11/lib/app-defaults/Idl" default
X preferences file.

JD

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[Message index]

		Unix Users: Enable IDL Widget Scrolling By: JD Smith on Sun, 22 January 2006 15:40
		Re: Unix Users: Enable IDL Widget Scrolling By: mchinand on Wed, 01 February 2006 10:50
		Re: Unix Users: Enable IDL Widget Scrolling By: nathaniel.cunningham on Wed, 01 February 2006 10:43

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