I thought this is what the ScrollLock key was for, but wasn't aware that
Apple keyboards don't have one.
http://en.wikipedia.org/wiki/Scroll_lock

I think that in some applications Page Up/Down will reposition the caret,
but by using a modifier such as Control with Page Up/Down, it would merely
scroll the viewport.

Chris

On 16 September 2010 19:26, Greg Brown <[email protected]> wrote:

> The easiest solution would probably be to have it override the page up/down
> key press events and determine what the next line should be based on the
> viewport height.
>
> However, as I mentioned in the other thread, I'm not sure that changing the
> caret position just because the viewport changes is good UI design. The text
> editor I use on the Mac (SubEthaEdit) doesn't do it - just like Pivot's
> TextArea/TextPane, you can scroll the caret out of view using either page
> up/down or the scrollbar; however, any key press will scroll it back to
> visible.
>
> Eclipse does reposition the caret on page up/down, but not when the user
> scrolls manually, which, to me, seems inconsistent. However, like the
> others, a key press brings it back into view.
>
> G
>
> On Sep 15, 2010, at 9:36 PM, Todd Volkert wrote:
>
> >>> - Page Up/Down: go up/down by n elements (bounded by first/last), where
> n is
> >>> the size of the current page (for example in a List or a Table with
> size 20
> >>> elements the page here could be 20) ...
> >>
> >> Not sure this makes sense. Page up/down is currently handled by
> ScrollPane, which, in most cases, will be used to host a list, table, or
> tree. So I think the current behavior is probably OK. We could certainly
> revisit this later, though.
> >
> > Might it make sense to have TextArea override scrollToVisible() to
> > also update the position of the caret?  Though as I think about it,
> > I'm not sure that would come into play here anyway...
>
>

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