-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <msp/gl/matrix.h>
-#include <msp/gl/transform.h>
-#include "graphic.h"
-#include "hslider.h"
-#include "part.h"
-#include "style.h"
-
-namespace Msp {
-namespace GLtk {
-
-HSlider::HSlider(const Resources &r):
- Slider(r)
-{
- update_style();
-}
-
-void HSlider::button_press(int x, int y, unsigned btn)
-{
- if(btn==1 && geom.is_inside_relative(x, y) && max>min)
- {
- int sx = static_cast<int>((geom.w-slider_size)*(value-min)/(max-min));
- if(x<sx)
- set_value(value-step*10);
- else if(x>=static_cast<int>(sx+slider_size))
- set_value(value+step*10);
- else
- start_drag(x);
- }
-}
-
-void HSlider::button_release(int, int, unsigned btn)
-{
- if(btn==1 && dragging)
- end_drag();
-}
-
-void HSlider::pointer_motion(int x, int)
-{
- if(dragging)
- drag(x);
-}
-
-void HSlider::render_special(const Part &part) const
-{
- if(part.get_name()=="slider")
- {
- Alignment align = part.get_alignment();
- if(max>min)
- align.x = (value-min)/(max-min);
-
- Geometry pgeom = part.get_geometry();
- align.apply(pgeom, geom, part.get_margin());
-
- GL::push_matrix();
- GL::translate(pgeom.x, pgeom.y, 0);
- part.get_graphic(state)->render(pgeom.w, pgeom.h);
- GL::pop_matrix();
- }
-}
-
-void HSlider::on_geometry_change()
-{
- drag_area_size = geom.w-slider_size;
-}
-
-void HSlider::on_style_change()
-{
- for(PartSeq::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
- if(i->get_name()=="slider")
- slider_size = i->get_geometry().w;
-
- on_geometry_change();
-}
-
-} // namespace GLtk
-} // namespace Msp