[Qgis-developer] how to set @click_x variable

[Régis Haubourg]

Thanks Matthias!
I forward your tips to the author
Cheers
Régis

2016-10-19 17:09 GMT+02:00 Matthias Kuhn <matthias at opengis.ch>:

> Hi Régis,
>
> @[somthing] variables are taken from the QgsExpressionContext which
> contains several QgsExpressionScopes. So you can just add a new
> QgsExpressionScope to the QgsExpressionContext which is used to evaluate
> the expression.
>
> Not sure how hotlink works but if it evaluates expressions by itself it
> shouldn't be hard to adjust the context with additional variables.
>
> Matthias
>
> On 10/19/2016 01:33 PM, Régis Haubourg wrote:
> > Hi,
> > Is it possible to set qgis variables such as @click_x or @click_y using
> > python?
> >
> > I used hotlink plugin that is an alternate way of triggering layer
> > actions.  All other ways will return thos variables with clikc location
> > on the canvas, when hotlink doesn't. How could we fix that?
> >
> > Thanks for your lights
> >
> > Régis
> >
> > --
> > OSLANDIA
> >
> >
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-- 
Régis Haubourg

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