Re: attempting to open a VT from elsewhere and take raw keyboard input

[Shawn Rutledge]

Yes I know that X does it; I'm trying to write a new windowing system
which also does that, and the question is how they did it.  I would
have expected if I just open /dev/tty1, set raw mode, and set some
termios flags I'd get every key press and release; and it would be my
choice whether to use blocking or non-blocking I/O.

On 7/17/07, Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx> wrote:
> On Jul 17 2007 01:51, Shawn Rutledge wrote:
> >
> > I'm messing around with framebuffer graphics stuff and trying to write
> > a keyboard driver similar to the one in X, which will allow you to
> > start up the graphics system from any tty (not just a virtual
> > console),
>
> right, I can start X these days over SSH (either init5 or startx)
>
> > find an available VT, switch to that VT,
>
> X does that automatically ('regular' X, not considering Xdmcp or such)
>
> > and then take input from the physically attached keyboard rather
> > than necessarily
>
> X does that too.
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