Re: sleeping
- From: David Eduardo Gomez Noguera <davidgn servidor unam mx>
- To: gtk-list gnome org
- Subject: Re: sleeping
- Date: Sat, 9 Feb 2002 12:46:46 -0600
On 09 Feb 2002 19:12:38 +0100
Sven Neumann <sven gimp org> wrote:
> Hi,
>
> David Eduardo Gomez Noguera <davidgn servidor unam mx> writes:
>
> > I am writing a program to control two steppers. To control its speed, i would need to sleep the function that moves them.
> > Is it safe to use sleep/nanosleep? or are there safer functions or a better way to do it than a callback from an Entry widget (where i get the command from)? (I was just thinking a long coulback could hang the app, am i right?)
>
> I'd suggest you use the GTK+ main loop instead and install a timeout.
> Have a look at gtk_timeout_add().
what do you mean with the GTK+ main loop? havent done much with gtk, so my knowledge about gtk_main is limited to think that i run it only once.
I have seen gtk_timeout_add.
my function needs the two steppers to start and stop moving at the same time, so i use a line algorithm, and would need static variables there.
Also, i get the command to move the steppers from a GtkEntry widget, then i would need some way to not enable execution of new commands until the lastone ends (was thinking of gtk_object_set_data on the Entry, and a check each time to see if the timer exists.)
Can i "temporary" block signals from other widgets?
I also have a few buttons that affect the steppers, and would have to block them while executing a command.
Any help or pointer would be very appreciated... (i have a bad bad english)
Thank you.
>
>
> Salut, Sven
>
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