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Groups > comp.sys.acorn.programmer > #1933

Re: SWI Wimp_SetCaretPosition and 32k, 64k, 16M colour screen modes

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In message <07be8c27-8960-4185-b2fd-5ca22e36aa9d@googlegroups.com>
          chrisbazley@bigfoot.com wrote:

> On Friday, July 13, 2012 4:32:14 PM UTC+1, Gerph wrote:

>> I think (although I cannot be certain because my notes don't indicate
>> anything about the use of wider colours) that I probably decided at
>> the time that it wasn't worth extending much further for true colour
>> because it would not work reliably. I added support for changing the
>> default caret colour, but that's the only change that was made in that
>> area, I believe.
>> 
>> Sorry.

> No need to be sorry. It sounds like fixing it would have been
> impossible. I dare say Acorn came to the same conclusion. I was just
> wondering whether there is an established work-around for what must
> surely be a very common problem.

Yes, set bit 25 to make the caret invisible and redraw it in the 
application's redraw handler.

-- 
Martin
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Martin Wuerthner         MW Software      http://www.mw-software.com/
        RISC OS Software for Design, Printing and Publishing
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SWI Wimp_SetCaretPosition and 32k, 64k, 16M colour screen modes chrisbazley@bigfoot.com - 2012-06-23 16:18 -0700
  Re: SWI Wimp_SetCaretPosition and 32k, 64k, 16M colour screen modes Gerph <gerph@gerph.org> - 2012-07-13 08:32 -0700
    Re: SWI Wimp_SetCaretPosition and 32k, 64k, 16M colour screen modes chrisbazley@bigfoot.com - 2012-07-14 03:44 -0700
      Re: SWI Wimp_SetCaretPosition and 32k, 64k, 16M colour screen modes Martin Wuerthner <spamtrap@mw-software.com> - 2012-07-18 00:11 +0200

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