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/*
* This file is part of XForms.
*
* XForms is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1, or
* (at your option) any later version.
*
* XForms is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with XForms; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
/*
* Test the accuracy of timer
*
* This file is part of xforms package
* T.C. Zhao and M. Overmars (1997)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "include/forms.h"
#include <stdlib.h>
#include <unistd.h>
/**** Forms and Objects ****/
typedef struct {
FL_FORM * form0;
void * vdata;
long ldata;
FL_OBJECT * timer;
FL_OBJECT * restart;
FL_OBJECT * report;
} FD_form0;
static FD_form0 * create_form_form0( void );
/***************************************
***************************************/
static void
exit_cb( FL_OBJECT * ob FL_UNUSED_ARG,
long data FL_UNUSED_ARG )
{
fl_finish( );
exit( 0 );
}
/***************************************
***************************************/
static long start_sec,
start_usec;
static long end_sec,
end_usec;
/* timer expired */
/***************************************
***************************************/
static void
timer_cb( FL_OBJECT * ob,
long data FL_UNUSED_ARG )
{
char buf[ 128 ];
float df;
FD_form0 *fd = ob->form->fdui;
double timerval = fd->ldata * 0.001;
fl_gettime( &end_sec, &end_usec );
df = end_sec - start_sec + ( end_usec - start_usec ) * 1.0e-6;
sprintf( buf,"Timeout: %.3f Actual: %.3f DeltaE: %.3f",
timerval, df, df - timerval );
fl_set_object_label( fd->report, buf );
}
/***************************************
***************************************/
static void
start_timer( FL_OBJECT * ob,
long data FL_UNUSED_ARG )
{
FD_form0 *fd = ob->form->fdui;
char buf[ 128 ];
fd->ldata += 200;
sprintf( buf, "Timer accuracy testing %.3f sec ...", fd->ldata * 0.001 );
fl_set_object_label( fd->report, buf );
fl_gettime( &start_sec, &start_usec );
fl_set_timer( fd->timer, fd->ldata * 0.001 );
}
/***************************************
***************************************/
int
main( int argc,
char * argv[ ] )
{
FD_form0 *fd_form0;
fl_initialize( &argc, argv, 0, 0, 0 );
fd_form0 = create_form_form0( );
/* fill-in form initialization code */
fd_form0->ldata = 2800;
start_timer( fd_form0->timer, 0 );
/* show the first form */
fl_show_form( fd_form0->form0, FL_PLACE_CENTER, FL_FULLBORDER,
"Timer object precision" );
fl_do_forms( );
return 0;
}
/* Form definition file generated with fdesign. */
/***************************************
***************************************/
static FD_form0 *
create_form_form0( void )
{
FL_OBJECT *obj;
FD_form0 *fdui = fl_calloc( 1, sizeof *fdui );
fdui->form0 = fl_bgn_form( FL_NO_BOX, 320, 130 );
obj = fl_add_box( FL_UP_BOX, 0, 0, 320, 130, "" );
obj = fl_add_button( FL_NORMAL_BUTTON, 210, 80, 90, 35, "Done" );
fl_set_object_callback( obj, exit_cb, 0 );
fdui->restart = obj = fl_add_button( FL_TOUCH_BUTTON, 110, 80, 90, 35,
"Restart" );
fl_set_object_callback( obj, start_timer, 0 );
fdui->timer = obj = fl_add_timer( FL_HIDDEN_TIMER, 10, 40, 100, 40,
"Timer" );
fl_set_object_callback( obj, timer_cb, 0 );
fdui->report = obj = fl_add_text( FL_NORMAL_TEXT, 10, 20, 290, 50,"" );
fl_end_form( );
fdui->form0->fdui = fdui;
return fdui;
}
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