/* $Id$
This file is part of libmspgltk
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
+Copyright © 2007-2008, 2010-2011 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
namespace Msp {
namespace GLtk {
-HSlider::HSlider(const Resources &r):
- Slider(r)
+HSlider::HSlider():
+ slider_size(1)
+{ }
+
+void HSlider::render_special(const Part &part) const
{
- update_style();
+ 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::button_press(int x, int y, unsigned btn)
{
- if(geom.is_inside(x, y))
+ if(btn==1 && geom.is_inside_relative(x, y) && max>min)
{
- int sx=geom.x+static_cast<int>((geom.w-slider_size)*(value-min)/(max-min));
- if(btn==1 && x>=sx && x<static_cast<int>(sx+slider_size))
+ 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)
+ if(btn==1 && dragging)
end_drag();
}
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;
+ 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;
+ if(!style)
+ return;
+
+ if(const Part *slider_part = style->get_part("slider"))
+ slider_size = slider_part->get_geometry().w;
on_geometry_change();
}