void DebugGlyph::print(Printer* p, const Allocation& a) const {
if ((flags_ & trace_print) != 0) {
heading("print ");
print_allotment(a.allotment(Dimension_X));
printf(", ");
print_allotment(a.allotment(Dimension_Y));
printf("\n");
}
MonoGlyph::print(p, a);
}
void DebugGlyph::allocate(Canvas* c, const Allocation& a, Extension& ext) {
if ((flags_ & trace_allocate) != 0) {
heading("allocate ");
print_allotment(a.allotment(Dimension_X));
printf(", ");
print_allotment(a.allotment(Dimension_Y));
printf("\n");
}
MonoGlyph::allocate(c, a, ext);
}
void DebugGlyph::pick(Canvas* c, const Allocation& a, int depth, Hit& h) {
if ((flags_ & trace_pick) != 0) {
heading("pick ");
printf(
"at (%.2f,%.2f,%.2f,%.2f) ",
h.left(), h.bottom(), h.right(), h.top()
);
print_allotment(a.allotment(Dimension_X));
printf(", ");
print_allotment(a.allotment(Dimension_Y));
printf("\n");
}
MonoGlyph::pick(c, a, depth, h);
}
void Slider::allot_thumb_major_axis(
const Allocation& slider, DimensionName d, Adjustable* adj,
Coord min_thumb_size, float& scale, Allotment& new_a
) {
const Allotment& a = slider.allotment(d);
Coord length = adj->length(d);
Coord cur_length = adj->cur_length(d);
Coord slider_size = a.span();
Coord thumb_size;
Coord thumb_start;
if (Math::equal(length, float(0.0), float(1e-3)) ||
Math::equal(length, cur_length, float(1e-3))
) {
thumb_size = slider_size;
thumb_start = 0.0;
scale = 1.0;
} else {
thumb_size = slider_size * cur_length / length;
if (thumb_size > slider_size) {
thumb_size = slider_size;
thumb_start = 0.0;
scale = 1.0;
} else {
if (thumb_size < min_thumb_size) {
thumb_size = min_thumb_size;
}
scale = (slider_size - thumb_size) / (length - cur_length);
thumb_start = scale * (adj->cur_lower(d) - adj->lower(d));
}
}
new_a.origin(a.begin() + thumb_start);
new_a.span(thumb_size);
new_a.alignment(0.0);
}
void DebugGlyph::draw(Canvas* c, const Allocation& a) const {
if ((flags_ & trace_draw) != 0) {
heading("draw ");
print_allotment(a.allotment(Dimension_X));
printf(", ");
print_allotment(a.allotment(Dimension_Y));
if (c != nil) {
Extension e;
c->damage_area(e);
printf(
" [%.2f,%.2f %.2f,%.2f]",
e.left(), e.bottom(), e.right(), e.top()
);
}
printf("\n");
}
MonoGlyph::draw(c, a);
}
