-/* $Id$
-
-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 <msp/gl/meshbuilder.h>
#include "graphic.h"
#include "part.h"
#include "style.h"
namespace Msp {
namespace GLtk {
-VSlider::VSlider(const Resources &r):
- Slider(r),
- dragging(false)
-{
- update_style();
-}
+VSlider::VSlider():
+ slider_size(1)
+{ }
-void VSlider::button_press(int x, int y, unsigned btn)
+void VSlider::autosize()
{
- if(geom.is_inside(x, y))
+ if(!style)
+ return;
+
+ Widget::autosize();
+
+ if(const Part *slider_part = style->get_part("slider"))
{
- int sh=get_slider_height();
- int sy=geom.y+static_cast<int>((geom.h-sh)*(value-min)/(max-min));
- if(btn==1 && y>=sy && y<sy+sh)
- {
- dragging=true;
- state=ACTIVE;
- drag_start_y=y;
- drag_start_value=value;
- }
+ const Sides &margin = slider_part->get_margin();
+ const Geometry &pgeom = slider_part->get_geometry();
+ geom.w = std::max(geom.w, pgeom.w+margin.left+margin.right);
+ geom.h = std::max(geom.h, pgeom.h*3/2+margin.top+margin.bottom);
}
}
-void VSlider::button_release(int, int, unsigned btn)
+void VSlider::rebuild_special(const Part &part, CachedPart &cache)
{
- if(btn==1)
+ if(part.get_name()=="slider")
{
- dragging=false;
- state=NORMAL;
+ Alignment align = part.get_alignment();
+ if(max>min)
+ align.y = (value-min)/(max-min);
+
+ Geometry pgeom = part.get_geometry();
+ align.apply(pgeom, geom, part.get_margin());
+
+ cache.texture = part.get_graphic(state)->get_texture();
+ cache.clear_mesh();
+
+ GL::MeshBuilder bld(*cache.mesh);
+ bld.matrix() *= GL::Matrix::translation(pgeom.x, pgeom.y, 0);
+ part.get_graphic(state)->build(pgeom.w, pgeom.h, bld);
}
}
-void VSlider::pointer_motion(int, int y)
+void VSlider::button_press(int x, int y, unsigned btn)
{
- if(dragging)
+ if(btn==1 && geom.is_inside_relative(x, y) && max>min)
{
- set_value(drag_start_value+(y-drag_start_y)*(max-min)/(geom.h-get_slider_height()));
+ int sy = static_cast<int>((geom.h-slider_size)*(value-min)/(max-min));
+ if(y<sy)
+ set_value(value-step*10);
+ else if(y>=static_cast<int>(sy+slider_size))
+ set_value(value+step*10);
+ else
+ start_drag(y);
}
}
-void VSlider::render_special(const Part &part) const
+void VSlider::button_release(int, int, unsigned btn)
{
- if(part.get_name()=="slider")
- {
- Alignment align=part.get_alignment();
- align.y=(value-min)/(max-min);
+ if(btn==1 && dragging)
+ end_drag();
+}
- Geometry pgeom=part.get_geometry();
- align.apply(pgeom, geom, part.get_margin());
+void VSlider::pointer_motion(int, int y)
+{
+ if(dragging)
+ drag(y);
+}
- GL::push_matrix();
- GL::translate(pgeom.x, pgeom.y, 0);
- part.get_graphic(state)->render(pgeom.w, pgeom.h);
- GL::pop_matrix();
- }
+void VSlider::on_geometry_change()
+{
+ drag_area_size = geom.h-slider_size;
}
-unsigned VSlider::get_slider_height() const
+void VSlider::on_style_change()
{
- for(PartSeq::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
- if(i->get_name()=="slider")
- return i->get_geometry().h;
+ if(!style)
+ return;
+
+ if(const Part *slider_part = style->get_part("slider"))
+ slider_size = slider_part->get_geometry().h;
- return 0;
+ on_geometry_change();
}
} // namespace GLtk