value(0),
step(0.1),
dragging(false),
- drag_area_size(0)
+ drag_area_size(0),
+ drag_area_offset(0),
+ slider_size(1)
{ }
void Slider::set_value(double v)
if(value!=old_value)
{
signal_value_changed.emit(value);
- rebuild();
+ mark_rebuild();
}
}
set_value(value);
}
+void Slider::click(int p)
+{
+ p -= drag_area_offset;
+ if(p<0 || p>=static_cast<int>(drag_area_size))
+ return;
+
+ int sp = static_cast<int>((drag_area_size-slider_size)*(value-min)/(max-min));
+ if(p<sp)
+ set_value(value-step*10);
+ else if(p>=static_cast<int>(sp+slider_size))
+ set_value(value+step*10);
+ else
+ start_drag(drag_area_offset+p);
+}
+
void Slider::start_drag(int p)
{
dragging = true;
void Slider::drag(int p)
{
if(max>min)
- set_value(drag_start_value+(p-drag_start_pos)*(max-min)/drag_area_size);
+ set_value(drag_start_value+(p-drag_start_pos)*(max-min)/(drag_area_size-slider_size));
}
void Slider::end_drag()