FVWM: Re: MaximizeWidthMult

From: Neil Zanella <nzanella_at_cs.mun.ca>
Date: Sun, 9 Jul 2000 19:16:01 -0230 (NDT)

Hello,

I am running fvwm2 version 2.3.20. The function described herein does not
work as described on my system. All it does is resize once. I initially
tried this with bash. Then I changed my default shell to zsh and logged
out and back in but it still did not work. The effect was that the window
is maximized to the full screen width each time but no matter how many
times I invoke the function the window never ends up spanning multiple
desktops. BTW, using the aritmetic expansion operators is not portable
since they are not a Bourne shell feature. Using the expr command would
make such scripts more portable since ksh and bash for example seem to
have different aritmetic expansion mechanisms. I don't think this was
the problem however as I had changed my shell to /bin/zsh.

Thanks,

Neil

On Sat, May 20, 2000 at 03:24:02PM -0230, Neil Zanella wrote:
>
> Hello,
>
> I wonder if it is possible to do the following with fvwm2: I would like to
> have a function bound to a titlebar button that does the following:
>
> - Upon first click the window is maximized horizontally.
> - Upon second click the window is expanded so that its right border
> touches the right side of the viewport immediately to the window's
> right.
> - Upon third click the above step is repeated so that the window occupies
> three viewports (the original one and the two to its right).
> - At the nth click the window occupies n viewports, etc...

With the patch I have just made it's possible:

  AddToFunc MaximizeWidthMult
  + i piperead "echo maximize on $$[(($[w.width] + 50) / $[vp.width]) * 100 + 100] 0"

This works with zsh, but probably also with bash, sh, ...
The interesting parts are the outer '$$[...]' which is a
quoted shell arithmetic expansion ($[...]) and the inner
$[w.width] which is replaced by the window's width by fvwm
and the $[vp.width] (viewport width). The +50 rounds up the
window's width in case the viewport width is not a multiple
of the window's width_inc.

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Received on Sun Jul 09 2000 - 16:45:52 BST

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