+/* $Id$
+
+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)
+ Slider(r),
+ dragging(false)
{
+ update_style();
}
-void HSlider::render_part(const Part &part)
+void HSlider::button_press(int x, int y, unsigned btn)
+{
+ if(geom.is_inside(x, y))
+ {
+ int sw=get_slider_width();
+ int sx=geom.x+static_cast<int>((geom.w-sw)*(value-min)/(max-min));
+ if(btn==1 && x>=sx && x<sx+sw)
+ {
+ dragging=true;
+ state=ACTIVE;
+ drag_start_x=x;
+ drag_start_value=value;
+ }
+ }
+}
+
+void HSlider::button_release(int, int, unsigned btn)
+{
+ if(btn==1)
+ {
+ dragging=false;
+ state=NORMAL;
+ }
+}
+
+void HSlider::pointer_motion(int x, int)
+{
+ if(dragging)
+ {
+ set_value(drag_start_value+(x-drag_start_x)*(max-min)/(geom.w-get_slider_width()));
+ }
+}
+
+void HSlider::render_part(const Part &part) const
{
if(part.get_name()=="slider")
{
+ unsigned gw=part.get_width();
+ unsigned gh=(part.get_fill_y() ? geom.h : part.get_height());
+ GL::push_matrix();
+ GL::translate((geom.w-gw)*(value-min)/(max-min), (geom.h-gh)*(part.get_alignment().y+1)/2, 0);
const Graphic *graphic=part.get_graphic(state);
- const Graphic::Sides &shadow=graphic->get_shadow();
- unsigned gw=graphic->get_slice().w-shadow.left-shadow.right;
- unsigned gh=(part.get_fill_x() ? geom.h, graphic->get_slice().h)-shadow.bottom-shadow.top;
- GL::translate((geom.w-gw)*(value-min)/(max-min), part.get_alignment().y
+ graphic->render(gw, gh);
+ GL::pop_matrix();
}
+ else
+ Widget::render_part(part);
+}
+
+unsigned HSlider::get_slider_width() const
+{
+ for(PartSeq::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
+ if(i->get_name()=="slider")
+ return i->get_width();
+
+ return 0;
}
} // namespace GLtk