16 void Slider::set_value(double v)
18 double old_value = value;
26 unsigned steps = static_cast<unsigned>((v-min)/step+0.5);
27 value = min+steps*step;
32 signal_value_changed.emit(value);
37 void Slider::set_range(double a, double b)
44 void Slider::set_step(double s)
50 void Slider::click(int p)
52 int sp = static_cast<int>(drag_area_size*(value-min)/(max-min));
54 set_value(value-step*10);
55 else if(p>=static_cast<int>(sp+slider_size))
56 set_value(value+step*10);
61 void Slider::start_drag(int p)
65 drag_start_value = value;
69 void Slider::drag(int p)
72 set_value(drag_start_value+(p-drag_start_pos)*(max-min)/drag_area_size);
75 void Slider::end_drag()
82 Slider::Loader::Loader(Slider &s):
83 DataFile::DerivedObjectLoader<Slider, Widget::Loader>(s)
85 add("range", &Slider::min, &Slider::max);
86 add("step", &Slider::step);
87 add("value", &Slider::value);