bool checkbox(const rect & r, bool & value)
{
bool changed = false;
if (click && r.contains(cursor))
{
value = !value;
changed = true;
}
fill_rect(r, { 1, 1, 1 });
fill_rect(r.shrink(1), { 0.5, 0.5, 0.5 });
if (value) fill_rect(r.shrink(3), { 1, 1, 1 });
return changed;
}
bool button(const rect & r, const std::string & label)
{
fill_rect(r, { 1, 1, 1 });
fill_rect(r.shrink(2), r.contains(cursor) ? (mouse_down ? color{ 0.3f, 0.3f, 0.3f } : color{ 0.4f, 0.4f, 0.4f }) : color{ 0.5f, 0.5f, 0.5f });
glColor3f(1, 1, 1);
draw_text(r.x0 + 4, r.y1 - 8, label.c_str());
return click && r.contains(cursor);
}