[pygtk] Label width in chars ?

[Adam Tauno Williams]

On Thu, 2012-01-19 at 00:47 +0100, Jérôme wrote:
> I don't understand how a label width can be specified in chars. 
> Does this refer to a conventional width, that may depend on the font size ?
> For instance, if I set a width of 10 chars, and I'm not using a monospace
> font, there won't be the same amount of space left whether my string is
> '..........' or 'mmmmmmmmmm'.
> http://pygtk.org/docs/pygtk/class-gtklabel.html

Correct, AFAIK.  Given the current font/size width-charts dynamically
[attempts to] size the label.  This is part of Pango's
pango_font_description_... stuff I believe.  A given font/size has a
default or average width for a character used for geometry calculations.

> "width-chars"	
> Read-Write	
> The desired width of the label, in characters. If this property is set to -1,
> the width will be calculated automatically, otherwise the label will request
> either 3 characters or the property value, whichever is greater. Allowed
> values: >= -1. Default value: -1. Available in GTK+ 2.6 and above.

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Adam Tauno Williams