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Re: [XForms] Looking for simple example
From: |
Jens Thoms Toerring |
Subject: |
Re: [XForms] Looking for simple example |
Date: |
Sat, 8 Nov 2014 14:20:36 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Sat, Nov 08, 2014 at 12:13:00PM +0000, jon wrote:
> I am having problems with timers, the examples are little over complex.
> All I am after is a callback to run every 100ms or so for the entire
> time the form is active, but the examples seem rather over clever.
>
>
> I get this output and no timer ticks ?
> In fl_add_object() [objects.c:258]: NULL form for 'FL_TIMER'
>
>
> I am trying something like this, but so far it is not working out :
>
> FL_OBJECT *tim;
> void timertick(FL_OBJECT *obj, long q)
> {
> printf("timer\n");
> fflush(stdout);
> //fl_set_timer(tim,100);
You'll have to uncomment this line if you want to restart
the timmer. It doesn't restart automatically.
> }
>
>
> int main( int argc, char * argv[ ] )
> {
> FD_mixerform *fd_mixerform;
>
> fl_initialize( &argc, argv, 0, 0, 0 );
> fd_mixerform = create_form_mixerform( );
>
> tim = fl_add_timer(FL_HIDDEN_TIMER,100,0,0,0,"Time");
A timer object is not special - it also needs to be associated
with a form. At at this moment there's no form "open" for adding
objects, so the fl_add_object() funtion (called by fl_ad_timer())
doesn't know which form the new object is to be added to and re-
fuses to do anything (thus no timer is created). You'll either
have to add the timer object somewhere when one of the forms is
still "open" (between calls of fl_bgn_form() and fl_end_form()
as you'll find them in the code generated by fdesign) or you
have to "reopen" one of your forms, using fl_addto_form(). Then
you can add more objects like your timer. Afterwards you should
"close" the form again by calling fl_end_form().
In your case probably this
fl_addto_form( fd_mixerform->mixerform );
tim = fl_add_timer(FL_HIDDEN_TIMER,100,0,0,0,"Time");
fl_end_form( );
will do the trick.
Best regards, Jens
--
\ Jens Thoms Toerring ________ address@hidden
\_______________________________ http://toerring.de
- [XForms] Looking for simple example, jon, 2014/11/07
- Re: [XForms] Looking for simple example, Jens Thoms Toerring, 2014/11/07
- Re: [XForms] Looking for simple example, jon, 2014/11/07
- Re: [XForms] Looking for simple example, Jens Thoms Toerring, 2014/11/08
- Re: [XForms] Looking for simple example, jon, 2014/11/08
- Re: [XForms] Looking for simple example,
Jens Thoms Toerring <=
- Re: [XForms] Looking for simple example, jon, 2014/11/08
- Re: [XForms] Looking for simple example, Jens Thoms Toerring, 2014/11/09
- Re: [XForms] Looking for simple example, jon, 2014/11/09
- Re: [XForms] Looking for simple example, jon, 2014/11/11
- Re: [XForms] Looking for simple example, Jens Thoms Toerring, 2014/11/11
- Re: [XForms] Looking for simple example, jon, 2014/11/15
- Re: [XForms] Looking for simple example, jon, 2014/11/08