[Sugar-devel] Is it possible to hack the "rotate" key?

[Paul Fox]

ajay wrote:
 > Thanks Gary and Paul.
 > I tested "Moon" on build 28 on XO-4; and the rotation caused the canvas to
 > be redrawn appropriately.
 > 

okay.  was that unexpected?

 > 
 > Paul,
 > 
 > I have two queries ::
 > 
 > a)
 > In "Moon"'s code (as already told by Gary), the "size-changed" signal is
 > used to call the callback that redraws the canvas.
 > So, in this case, is the "size-changed" signal a result of the
 > rotate-key-event (KEY_SWITCHVIDEOMODE), or "size-changed" signal is
 > generated via some another mechanism?

i don't know.

 > 
 > b)
 > Is the behaviour of olpc-kbdshim the same for a XO-1.75 and a XO-4 (as far
 > as "that code is written to either run a command
 > attached to the event (currently /usr/bin/olpc-rotate), or pass the  event
 > through, but not both" is concerned)?

yes.  and for XO-1 and XO-1.5 as well.

paul

 > 
 > 
 > 
 > 
 > On Mon, Feb 18, 2013 at 7:18 PM, Paul Fox <pgf at laptop.org> wrote:
 > 
 > > ajay wrote:
 > >  > Hi all.
 > >  >
 > >  > Is it possible to hack the "rotate" key in XO?
 > >  >
 > >  > I wish to have the following working ::
 > >  >
 > >  >      * Press the "rotate" key. This will rotate the window.
 > >  >      * Just after that, have a callback function being called in "sugar"
 > >  > (this of course being possible  only if the "rotate" key could be
 > > hacked).
 > >  >
 > >
 > > as gary points out, the rotate key event (KEY_SWITCHVIDEOMODE) is
 > > caught by olpc-kbdshim.  that code is written to either run a command
 > > attached to the event (currently /usr/bin/olpc-rotate), or pass the
 > > event through, but not both.
 > >
 > > if there were consensus that running the command _and_ passing the
 > > event was safe and reasonable, maybe we could do that, though it
 > > doesn't feel right to me.
 > >
 > > but i also think gary's on the right track by suggesting you look at
 > > other window events to learn of the rotation changes -- after all,
 > > rotation doesn't require a button press.  it can be caused by manual
 > > xrandr invocation, or simply by someone typing "olpc-rotate left".
 > >
 > > paul
 > >
 > >  >
 > >  >
 > >  > I will be thankful for any pointers.
 > >  >
 > >  >
 > >  >
 > >  > Regards,
 > >  >
 > >  > Ajay Garg
 > >  > Dextrose Developer
 > >  > Activity Central: http://activitycentral.com
 > >  > part 2     text/plain                 129
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 > >  > Devel at lists.laptop.org
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 > >
 > > =---------------------
 > >  paul fox, pgf at laptop.org
 > > _______________________________________________
 > > Devel mailing list
 > > Devel at lists.laptop.org
 > > http://lists.laptop.org/listinfo/devel
 > >
 > 
 > 
 > 
 > -- 
 > Regards,
 > 
 > Ajay Garg
 > Dextrose Developer
 > Activity Central: http://activitycentral.com

=---------------------
 paul fox, pgf at laptop.org