Re: [Plib-users] Problem with setLabel, weirdness ensues.

[Fay J. F Dr C. U. 46 S. <joh...@eg...>]

Cory,

	That is indeed weird.  I will contact you separately about it.

John F. Fay
Technical Fellow
Jacobs Technology TEAS Group
850-883-1294 

-----Original Message-----
From: pli...@li...
[mailto:pli...@li...] On Behalf Of cory
barton
Sent: Wednesday, June 11, 2008 2:28 PM
To: pli...@li...
Subject: [Plib-users] Problem with setLabel, weirdness ensues.

I am trying to use the the set label command: and I am having weird
problems.
something like this works: puObject->setLabel( "label" );

this fails:
char txt[ PUSTRING_MAX ];
...
	//kp slider
	kp_slider = new puSlider ( 100, 60, 200, TRUE );
	kp_slider->setMinValue( GAIN_MIN );
	kp_slider->setMaxValue( GAIN_MAX );
	kp_slider->setValue( ( float ) aileron_pid->get_kp() ); //set
value
to aileron gains since roll is selected by default
	sprintf( txt, "Kp: %.3f", aileron_pid->get_kp() ); //format
label
	kp_slider->setLabel( txt );

the label comes out like: *****>*****0****** *****

but I can make it work by adding an unused variable?!
this works:
	//unused variable bbb
	char bbb[ PUSTRING_MAX ]; //if I remove this setLabel() fails!
	char txt[ PUSTRING_MAX ];
...
	//kp slider
	kp_slider = new puSlider ( 100, 60, 200, TRUE );
	kp_slider->setMinValue( GAIN_MIN );
	kp_slider->setMaxValue( GAIN_MAX );
	kp_slider->setValue( ( float ) aileron_pid->get_kp() ); //set
value
to aileron gains since roll is selected by default
	sprintf( txt, "Kp: %.3f", aileron_pid->get_kp() ); //format
label
	kp_slider->setLabel( txt );

I also cannot set the label in the callback function.

Please help.

Cory

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