-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#include "slider.h"
namespace Msp {
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();
+ }
}
void Slider::set_range(double a, double b)
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;
drag_start_pos = p;
drag_start_value = value;
- state |= ACTIVE;
+ set_state(ACTIVE);
}
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()
{
dragging = false;
- state &= ~ACTIVE;
+ clear_state(ACTIVE);
}
Slider::Loader::Loader(Slider &s):
- Widget::Loader(s)
+ DataFile::DerivedObjectLoader<Slider, Widget::Loader>(s)
{
add("range", &Slider::min, &Slider::max);
add("step", &Slider::step);
add("value", &Slider::value);
}
-Slider &Slider::Loader::get_object() const
-{
- return static_cast<Slider &>(wdg);
-}
-
} // namespace GLtk
} // namespace Msp