Re: Howto make a button pressed callback acting as long as the button state is down ?

[Clemens Kirchgatterer <clemens root at>]

Jean-Max Redonnet wrote:
> Sorry if this has been covered before.
>
> I have 4 buttons that makes my model rotate in a drawing area
> (in a gtkglarea in fact but doesn't matters).
>
> First try :
> When I press one of this buttons a single step rotation is
> done. Well good job ! but I would like the rotation process
> follows as long as the button is pressed.
>
> The problem is I don't know how to make this. I have a single
> event (pressed or clicked) thus a single rotation step.

use a gtk_timeout signal as soon as the button is pressed and remove it
when it's released.
have a closer look at the tutorial for details.
 
> Second try :
> I've tried to work with GTK_WIDGET_STATE(button) but this not
> works.

call gtk_main_iteration() within the while loop.

regards ...
clemens