[winswitch] [ANNOUNCE] xpra 0.3.3

Antoine Martin antoine at nagafix.co.uk
Thu Jul 12 06:15:20 BST 2012

I have create a ticket for this issue so we can stop spamming the list:


On 12/07/12 12:07, Antoine Martin wrote:
> On 12/07/12 11:57, Martin Ebourne wrote:
>> On Wed, 2012-07-11 at 22:29 +0700, Antoine Martin wrote:
>>> On 11/07/12 22:17, Martin Ebourne wrote:
>>>> Xorg takes:
>>>> -dpi int               screen resolution in dots per inch
>>> That should take care of this particular session for a single client
>>> configuration, but ideally I would like to find a more general solution
>>> where the xpra client could send the xpra server the DPI it already uses
>>> and get the server to adapt on the fly. (if at all possible)
>>> I have seen a number of posts referring to xrdb and Xft.dpi, but I have
>>> no idea how that interacts with toolkits (gtk, qt, tk..)
>>> I will need to investigate, pointers welcome.
>> xrandr also takes --dpi to set the resolution. I don't know if you can
>> directly query the dpi but xrandr does give the screen dimensions and
>> display mode dimensions so it's easy to calculate dpi from that. I guess
>> you just need to query it on the client side and set on the server side.
> Oh, I had missed that. We already have some randr code in there so it
> shouldn't be too hard to add.
>> I don't know what you'd do about heterogeneous multi-screen setups
>> though, my displays are 125dpi and 100dpi.
> I'm looking at the randr API, and it looks like xrandr uses the DPI to
> calculate the screen dimensions. So that gives us more options than just
> using min/max/avg in the case of multi-screen setups.
> But it also complicates things because you then need to care about how
> the screens are arranged (overlapping, below or to the side...), so I
> will probably just use the average for now.
> Cheers
> Antoine
>> Cheers,
>> Martin

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