Rotate single application

Atilla Filiz atilla.filiz at gmail.com
Thu Nov 27 09:09:51 CET 2008


It seems the most feasible solution is to ask the developer of the
application for a self-rotating mode.

On Thu, Nov 27, 2008 at 2:12 AM, The Rasterman Carsten Haitzler <
raster at rasterman.com> wrote:

> On Thu, 27 Nov 2008 00:53:01 +0000 Al Johnson <
> openmoko at mazikeen.demon.co.uk>
> babbled:
>
> > On Thursday 27 November 2008, Carsten Haitzler wrote:
> > > On Thu, 27 Nov 2008 03:04:03 +0300 "Alexander Chemeris"
> > >
> > > <alexander.chemeris at gmail.com> babbled:
> > > > On Thu, Nov 27, 2008 at 2:39 AM, The Rasterman Carsten Haitzler
> > > >
> > > > <raster at rasterman.com> wrote:
> > > > > On Thu, 27 Nov 2008 01:43:49 +0300 "Alexander Chemeris"
> > > > >
> > > > > <Alexander.Chemeris at sipez.com> babbled:
> > > > >> On Wed, Nov 26, 2008 at 10:03 PM, Bernd Prünster
> > > > >>
> > > > >> <bernd.pruenster at gmail.com> wrote:
> > > > >> > Alexander Chemeris schrieb:
> > > > >> >> Is there any possibility to rotate screen for a selected
> > > > >> >> application? Now I use "xrandr -o 1 && app && xrandr -o 0" to
> run
> > > > >> >> application in landscape mode, but this rotates screen for the
> > > > >> >> whole system. I rather want to rotate single application
> window.
> > > > >> >
> > > > >> > sure it is, just make shellscript which does the rotation, then
> > > > >> > launches the application an then rotates tzhe screen back. you
> can
> > > > >> > also change the keycode for the aux button just for one
> application
> > > > >> > in the same way! (just look at the scummvm wiki page if you want
> to
> > > > >> > have a good example!)
> > > > >>
> > > > >> That's exactly what I'm doing - "xrandr -o 1 && app && xrandr -o
> 0"
> > > > >> But this change screen orientation for the whole X. If you tap on
> the
> > > > >> top, choose "Home", you'll see it also rotated. What I'm asking
> for
> > > > >> is an ability to rotate a single aplpication, leaving illume and
> other
> > > > >> apps in portrait orientation.
> > > > >>
> > > > >> Btw, thanks for pointing to ScummVM, I should try this. :)
> > > > >
> > > > > you will need to make the app itself handle its own rotated
> drawing.
> > > > > it's up to the app.
> > > >
> > > > That's what I expected.
> > > > I wonder why there are still no such feature in illume. A handful of
> > > > applications
> > > > want this.
> > >
> > > nothing to do with illume. this is x. apps draw their own window
> contents
> > > and handle their own window even inputs. the app would need to rotate
> its
> > > own draws and translate all input even co-ordinates.
> >
> > I was thinking of a window manager plugin that applies rotation when the
> > window is activated. Compiz can apply many of its effects selectively
> > according to application (window name?) so I'm guessing wildly that
> calling
> > an xrandr setting by name on change of active window should be possible.
> Then
> > again I know nothing abut the internals of window managers...
>
> that would require xevie (so every mouse event go through the compositor
> and
> it can try translate (rotate them), so you will add more latency to mouse
> events), and compositing (which will slow down rendering as all rendering
> now
> has to happen to a backing pixmap) AND you will not have accelerated
> rotates/transforms as xrender is unaccelerated on glamo - so your output
> will
> become nice and slow... really slow.
>
> as such you could selectively rotate thew WHOLE screen if a particular
> window
> is focused, but e has no such code - a module could be written that does
> just
> that. but then the keyboard, top-bar etc. will also rotate.
>
> --
> ------------- Codito, ergo sum - "I code, therefore I am" --------------
> The Rasterman (Carsten Haitzler)    raster at rasterman.com
>
>
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-- 
---------------------------------------------------------
Atilla Filiz
Eindhoven University of Technology
Embedded Systems, Master's Programme
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