[Qemu-devel] Re: Host <-> guest interface port?

[Matthew Mastracci <matt@aclaro.com>]

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Jim C. Brown wrote:

>I volunteer to write the code for the Linux client if necessary. I'm studying
>the X11 clipboard mechanism anyways. I have a pretty good idea of how to get
>the clock of the host, also.
>
>Not sure how auto-capture/release of mouse would work tho.
>  
>
Since the host knows exactly where the guest cursor is (the guest is 
sending cursor location updates), it can release the mouse when the 
guest cursor is against the edge of the screen.  This works in reverse 
as well - when the mouse is moved over the QEMU screen, the host 
captures it (hiding the local cursor) and updates the guest location to 
match.  It's a seamless transition from real mouse to virtual mouse.

The guest can also hide and show the guest OS cursor as it is 
captured/released.  You'll only see the cursor in the guest if it is 
captured by QEMU.

Matt.


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