Re: Can I hide the cursor?

2003-08-14 Thread Matthew Allum
on Wed, Aug 06, 2003 at 11:14:07AM -0700, Mark Vojkovich wrote:
This has been discussed and answered many times.  The answer is no.
 
 1) X always must always have a cursor.
 
 2) The cursor's appearence depends on the window it is over.
 
You can change the root window cursor with xsetroot, and if another
window doesn't specify a cursor, it inherits the cursor from it's
parent.  If no parent all the way down to the root window has 
specified a cursor then that window gets the root window cursor.
But if windows have specified cursors explicitly, there's nothing
you can do about that.
 

*but* if you use a libXcursor theme with every cursor icon fully
transparent you can *really* get rid of the cursor, an app changing
the cursors appearance just changes it to another 'invisible' cursor. 

I've not seen this 'technique' discussed before. 

  -- Matthew 
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Re: Can I hide the cursor?

2003-08-14 Thread Matthew Allum
If you use XFree 4.3 with libxcursor, you can create a completely
transparent cursor theme.

  -- Matthew

on Wed, Aug 06, 2003 at 02:21:35PM +0800,  tom wrote:
 I want to hide the cursor when I using touchscreen in XFree86 4.20,I found that this 
 quesstion have been discussed three times,but no answer.Then,does this means I can't 
 hide the cursor at all?Can xsetroot resolve this problem?I tried but faild.I just 
 can't change the cursor with it.
 Any idea?
  
 Thank you.
  
 Roy
 
 
 
 
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Re: ATI Imageon 100

2003-07-30 Thread Matthew Allum
Hi;

on Tue, Jul 29, 2003 at 11:04:35AM -0700, Tim Roberts wrote:
 
 The IMAGEON 100 will never be a stellar performer.  It was designed for low 
 cost and low power, not high performance.  It does have a simple blitter, and 
 it has a reasonable YUV overlay, but the motion compensation acceleration is 
 only slightly better than straight software.


I dont think were expecting 'stellar' performance here, just
reasonable will do - the current situation is ~700 k/sec bandwidth in
certain xrandr orientations. 
 
 There is an O/S-independent (theoretically) acceleration layer for the 
 IMAGEONs, but it is ATI-proprietary, and to my knowledge is only released to 
 their partners.
 

I think parts of this are exposed in the w100 framebuffer driver ( in
the sharp kernels source ), though its pretty much undocumented and I
dont really wanna risk boiling a 400$ lcd poking it. 

 So please if anyone from ATI is listening, please consider to support an
 XFree86 driver development!
 
 Didn't we just see this movie?  What's their incentive to do so?  The people 
 who are selling IMAGEON-based devices want Windows CE, and ATI is happy to 
 help those people with CE drivers.
 

ATI do mention on there Imageon page they support 'Linux mobile'. Just
wondering where/what that is

Also, I think this is a different movie. The embbeded market is
different to the desktop one.  

Many thanks;

  -- Matthew Allum


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