# To subscribers of the xforms list from Kay Bowen
This archive was generated by hypermail 2b29
: Wed May 01 2002 - 13:54:15 EDT
Thanks again,
K
spl@ncmir.ucsd.edu wrote:
# To subscribers of the xforms list from spl@ncmir.ucsd.edu :
Can someone point me in the right direction? I am looking for a status
bar that I can put on my form while some other process is working in the
background. I've looked in the manual and did a search on the list
archive for 'status', 'bar' and 'value' with no luck. Any and all help
is appreciated.
You mean a progress bar?
There is no such thing, exactly, but you can use a Fill Slider as
shown in the following example.
#include <stdio.h>
#include <forms.h>
#include <stdlib.h>
typedef struct {
FL_FORM *try;
void *vdata;
char *cdata;
long ldata;
FL_OBJECT *progress;
} FD_try;
extern FD_try * create_form_try(void);
struct s {
FL_OBJECT *obj;
double fraction;
};
void timeout( int id, void *data )
{
struct s *progress = ( struct s *) data;
progress->fraction += 0.01;
fl_set_slider_value( progress->obj, progress->fraction );
if ( progress->fraction < 1.0 )
fl_add_timeout( 100, timeout, data );
}
void do_it_cb(FL_OBJECT *ob, long data)
{
static struct s progress;
progress.obj = ( ( FD_try *) ob->form->fdui )->
;progress;
fl_add_timeout( 100, timeout, &progress );
}
void bail_cb(FL_OBJECT *ob, long data)
{
exit( 0 );
}
FD_try *create_form_try(void)
{
FL_OBJECT *obj;
FD_try *fdui = (FD_try *) fl_calloc(1, sizeof(*fdui));
fdui->try = fl_bgn_form(FL_NO_BOX, 310, 120);
obj = fl_add_box(FL_FLAT_BOX,0,0,310,120,"");
fdui->progress =
obj =
fl_add_slider(FL_HOR_FILL_SLIDER,30,15,260,30,
"You call this progress?");
fl_set_object_boxtype(obj,FL_FLAT_BOX);
fl_set_object_color(obj,FL_COL1,FL_GREEN);
fl_set_object_lsize(obj,FL_LARGE_SIZE);
fl_set_slider_size(obj, 0.15);
obj = fl_add_button(FL_NORMAL_BUTTON,5,75,90,40,"Do it");
fl_set_object_callback(obj,do_it_cb,0);
obj = fl_add_button(FL_NORMAL_BUTTON,215,75,90,40,"Bail");
fl_set_object_callback(obj,bail_cb,0);
fl_end_form();
fdui->try->fdu
i = fdui;
return fdui;
}
int main(int argc, char *argv[])
{
FD_try *try;
fl_initialize(&argc, argv, 0, 0, 0);
try = create_form_try();
fl_set_slider_value( try->progress, 0.0 );
fl_show_form(try->try,FL_PLACE_CENTER,FL_FULLBORDER,"try");
fl_do_forms();
exit( 0 );
}
spl
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--
Kay Bowen
Tec-Masters, Inc.
Advanced Studies and Research Center
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