static int
glw_slider_callback(glw_t *w, void *opaque, glw_signal_t signal, void *extra)
{
glw_slider_t *s = (glw_slider_t *)w;
glw_t *c;
switch(signal) {
case GLW_SIGNAL_DESTROY:
slider_unbind(s);
break;
case GLW_SIGNAL_CHILD_CONSTRAINTS_CHANGED:
c = extra;
if(w->glw_class == &glw_slider_y) {
glw_set_constraints(w, c->glw_req_size_x, 0, 0, GLW_CONSTRAINT_X);
} else {
glw_set_constraints(w, 0, c->glw_req_size_y, 0, GLW_CONSTRAINT_Y);
}
return 1;
default:
break;
}
return 0;
}
static int
glw_slider_bind_id(glw_t *w, const char *id)
{
glw_slider_t *s = (glw_slider_t *)w;
slider_unbind(s);
slider_bind_by_id(s, id);
return 1;
}
static void
bind_to_property(glw_t *w, prop_t *p, const char **pname,
prop_t *view, prop_t *args, prop_t *clone)
{
glw_slider_t *s = (glw_slider_t *)w;
slider_unbind(s);
s->sub = prop_subscribe(PROP_SUB_DIRECT_UPDATE,
PROP_TAG_NAME_VECTOR, pname,
PROP_TAG_CALLBACK, prop_callback, s,
PROP_TAG_COURIER, w->glw_root->gr_courier,
PROP_TAG_NAMED_ROOT, p, "self",
PROP_TAG_NAMED_ROOT, view, "view",
PROP_TAG_NAMED_ROOT, args, "args",
PROP_TAG_NAMED_ROOT, clone, "clone",
PROP_TAG_ROOT, w->glw_root->gr_uii.uii_prop,
NULL);
}
static void
glw_slider_set(glw_t *w, va_list ap)
{
glw_slider_t *s = (glw_slider_t *)w;
glw_attribute_t attrib;
const char *n;
do {
attrib = va_arg(ap, int);
switch(attrib) {
case GLW_ATTRIB_BIND_TO_ID:
slider_unbind(s);
n = va_arg(ap, const char *);
slider_bind_by_id(s, n);
break;
case GLW_ATTRIB_INT_MIN:
s->min = va_arg(ap, double);
s->step_i = s->step / (s->max - s->min);
break;
case GLW_ATTRIB_INT_MAX:
s->max = va_arg(ap, double);
s->step_i = s->step / (s->max - s->min);
break;
case GLW_ATTRIB_INT_STEP:
s->step = va_arg(ap, double);
s->step_i = s->step / (s->max - s->min);
break;
default:
GLW_ATTRIB_CHEW(attrib, ap);
break;
}
} while(attrib);
}
static int
glw_slider_callback(glw_t *w, void *opaque, glw_signal_t signal, void *extra)
{
glw_slider_t *s = (glw_slider_t *)w;
glw_t *c;
switch(signal) {
case GLW_SIGNAL_LAYOUT:
glw_slider_layout(w, extra);
break;
case GLW_SIGNAL_EVENT:
if(w->glw_class == &glw_slider_x)
return glw_slider_event_x(w, extra);
else
return glw_slider_event_y(w, extra);
case GLW_SIGNAL_POINTER_EVENT:
return pointer_event(w, extra);
case GLW_SIGNAL_DESTROY:
slider_unbind(s);
break;
case GLW_SIGNAL_CHILD_CONSTRAINTS_CHANGED:
c = extra;
if(w->glw_class == &glw_slider_y) {
glw_set_constraints(w, c->glw_req_size_x, 0, 0, GLW_CONSTRAINT_X);
} else {
glw_set_constraints(w, 0, c->glw_req_size_y, 0, GLW_CONSTRAINT_Y);
}
return 1;
default:
break;
}
return 0;
}
