Re: gEDA-dev: Proposal for a gschem Tools menu for list of scripts

[Peter Clifton <pcjc2-at-NOSPAMcam_dot_ac_dot_uk>]

On Fri, 2007-11-23 at 15:30 -0500, Paul Tan wrote:
> Hi Al Davis,
> 
> I forgot to mention, if we only need the filename
> as a parameter, the current menu already can
> accomodate it, since there is already a scheme
> function for it.  It is the multiple parameters
> which I am thinking about to accomocate.
> Thanks again.

PCB has a feature similar to this in its exporters. The exporter defines
a number of parameters and validation checks for them, which are
prompted for in a UI.

Auto generation of dialogs doesn't always lend its-self to well
designed / structured GUI, but for many purposes, the utility outweighs
the need for a specifically designed dialog. (Like printer settings
in .ppd file, for example). We could provide a function to do similar,
and a guile binding for it to be used from menu items as needed.

It should in theory be possible for scheme code "plugins" to make GUIs
using guile-gtk if more complexity is needed, although I have never
tried it.

Dont re-invent more config file formats for now, use the existing scheme
code for adding menus, calling a scheme procedure to do your bidding.
With appropriate helper functions, this won't necessitate lots of code
duplication for each menu item.

Best wishes,

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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