fltk/src/Fl_Repeat_Button.cxx

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// Fl_Repeat_Button.C
#include <FL/Fl.H>
#include <FL/Fl_Repeat_Button.H>
#define INITIALREPEAT .5
#define REPEAT .1
void Fl_Repeat_Button::repeat_callback(void *v) {
Fl_Button *b = (Fl_Button*)v;
Fl::add_timeout(REPEAT,repeat_callback,b);
b->do_callback();
}
int Fl_Repeat_Button::handle(int event) {
int newval;
switch (event) {
case FL_RELEASE:
newval = 0; goto J1;
case FL_PUSH:
case FL_DRAG:
newval = Fl::event_inside(this);
J1:
if (value(newval)) {
if (newval) {
Fl::add_timeout(INITIALREPEAT,repeat_callback,this);
do_callback();
} else {
Fl::remove_timeout(repeat_callback,this);
}
}
return 1;
default:
return Fl_Button::handle(event);
}
}