[PD-dev] getting canvas pointer from filename

[Mathieu Bouchard]

On Fri, 9 Nov 2007, Hans-Christoph Steiner wrote:

> I want to make a general purpose way of getting the window and canvas
> pointers within Pd.  I was thinking that making [canvas_name] accept
> the filename as a symbol, and then it would output the .x%lx.c.
> So my question is, how do I get the canvas pointer from the filename?

You have to walk the list of canvases and get one of the canvases that 
have that filename. You run into the same problem as there is with trying 
to avoid [namecanvas]: there can be several canvases with the same 
filename. This is also related to why $0 exists.

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| Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada