Subject: Re: [RFH] Page Numbers, Listeners, and populateStrux
From: Martin Sevior (msevior@mccubbin.ph.unimelb.edu.au)
Date: Fri Jul 14 2000 - 01:00:30 CDT
HI Sam,
Given that stuff on the page can move and that many screen redraws
may occur as a page scrolls horizontally and vertically I think that you'd
want to redraw your page number when ever a screen update occurs. Given
this I think you do want to introduce a new document listener that is
included in the notifylistener() method to display the page number.
Of course you'd want to be clever and not execute a bunch of code unless
page numbers are active so you'd want some boolean member variable to give
you a rapid abort if no page numbers are required. This would not be much
extra overhead I think.
Cheers
Martin
On Fri, 14 Jul 2000, sam th wrote:
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> [RFH] == Request For Help
>
> The major bug with my page numbers hack is that they don't display
> automatically. Through some good ol digging with grep, I discovered the
> code that I want to execute to display the footer/header properly. It is
> in fl_DocListener::populateStrux()
>
> This code is called whenever the appropriate PD_Document gets a new
> listener. Unfortunately, this only ever happens (AFAIK) when the document
> is opened, and therefore the footers never redisplay properly.
>
> So, I would like to use this code, but it doesn't just paste in. And I
> don't think that I want to add a new Listener to the Document, since this
> is just a one time operation. Should I add the listener? Is there
> another way to use this code? What can I do?
>
> I *really* hope someone can help me here.
>
> Thanks
>
> sam th
> sam@uchicago.edu
> http://www.abisource.com/~sam/
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