Re: [Qemu-devel] [PATCH v2 4/4] gtk: Add "Grab On Click" option

[Cole Robinson <crobinso@redhat.com>]

On 04/02/2014 09:42 AM, Takashi Iwai wrote:
> At Wed, 02 Apr 2014 09:28:54 -0400,
> Cole Robinson wrote:
>>
>> On 04/02/2014 08:32 AM, Takashi Iwai wrote:
>>> I simply like it better, you don't? :)
>>>
>>
>> In fact, relative mouse mode is a pain without this feature, you need to
>> manually initiate a grab with ctrl+alt+g before mouse movement will even work.
>> Compare to our sdl front end, or virt-viewer, vinagre, virt-manager, where
>> grab-on-click is the default (there isn't even an option to disable that
>> behavior).
>>
>> I don't know what the original intention of the code was, but I think this
>> behavior should be the default. Anthony, Gerd, thoughts?
> 
> I noticed later that the original gtk-ui behavior is better when
> vmmouse driver is available, i.e. the absolute mode is working.  With
> grab-on-click, you have to ungrab at each time you want to leave from
> VM window.
> 
> So I think we should leave the default behavior as is, since vmmouse
> driver is likely available in most cases.  But, still having this in
> the menu makes our lives easier in case vmmouse isn't available or
> doesn't work with QEMU.
> 

Or we just do what sdl.c does (and virt-viewer, and vinagre, and virt-manager):

absolute mode == grab on hover, ungrab when pointer leaves the window
relative mode == grab on click, require manual ungrab

- Cole