Re: signals

[Tristan Van Berkom <vantr touchtunes com>]

try "mouse-didnt-meve-event"

I'm sorry I couldn't resist; essentialy there 
is no windowing system event propagated 
when a mouse doesn't move.

save the mouse state and add a timeout
of `n' milisecs every `n' milies --> spray.

cancel timeout on button release.

you might want to experiment removing
the motion-notify hooks.... could make a smoother 
and more uniform airbrush result

cheers,
                -Tristan

Chris Garrett wrote:
> Hi,
>
> I asked this once in a roundabout way but did not get any replies, so I'll
> try again :o)
>
> I have a drawing area.  Currently when the mouse button is pressed, my
> airbrush tool sprays onto the canvas.  It then sprays whenever the mouse is
> moved and the mouse button is held down.  It does not spray if the mouse is
> not moved (ala the scribble app in the GTK tutorial)
>
> I want to change this behaviour so that the mouse does not have to be moved
> for the next spray to take place (ie. I could hold the mouse still and keep
> the mouse button pressed, and the airbrush would keep spraying).
>
> How can I implement this?  There are signals emitted when a mouse button is
> pressed initially, and when the mouse moves, but I cannot see any signals
> for when the mouse button is held down.
>
> Can anyone help?  Is there a particular event emitted by the drawing area
> that I can guarantee will take place each iteration of gtk_main()?  Is there
> another approach I can take?
>
> Chris.
>
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