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Re: [RP] Missing screen command "resize"

From: Mike Meyer
Subject: Re: [RP] Missing screen command "resize"
Date: Wed Nov 14 15:36:02 2001

Shawn <address@hidden> types:
> Mike Meyer <address@hidden> writes:
> > I notice that screen's "resize" command is missing from rp, and not in
> > the set of commands that anyone was thinking about implementing. rp
> > clearly needs two commands, one for vertical and one for horizontal,
> > or maybe an extra argument to indicate the direction.
> Yes this is true. A resize command would be nice.

As it turns out, while resize in a 1d grid is trivila, doing it in a
2d grid is - uh - interesting.

I think I can see a way to do it, but one of the tools I'll need along
the way is useful by itself. To wit, a version of split with a bit
more control. 

The idea is that you can specify an uneven split. I thought about
allowing a specification by fraction, or a specification by pixel
count, and couldn't chose between them. So rolling both ideas into

    argument 0 or null: current behavior.
    argument >= 1: specifies number of pixels for the new frame.
    argument <  1: specifies a fraction of current frame for new frame.

All current scripts would work as properly.

Assuming I had my current frame (800 x 1200), doing:

    hsplit, hsplit .5, hsplit 600 - two 800 x 600 frames.
    vsplit .3333333 - one frame 800 x 400, one frame 800 x 800.
    vsplit 500 - one frame 800 x 500, one frame 800 x 700

Yes, that's a floating point argument. That allows the most
flexibility for the user. The alternative would be to make this a
positive/negative split, where one indicated pixels and the other
indicated a fraction (i.e. - vsplit 3 instead of vsplit .33333), but
then you can't do the equivalent of vsplit .8.

And yes, I don't really like the bundled behavior, but it seems like a
better solution than yet more commands.

Comments? Alternative suggestions? Rotting vegetable matter?

Mike Meyer <address@hidden>                     http://www.mired.org/home/mwm/
Q: How do you make the gods laugh?              A: Tell them your plans.

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