3 This file is part of libmspgltk
4 Copyright © 2007 Mikko Rasa, Mikkosoft Productions
5 Distributed under the LGPL
8 #include <msp/gl/matrix.h>
9 #include <msp/gl/transform.h>
23 void VSlider::button_press(int x, int y, unsigned btn)
25 if(btn==1 && geom.is_inside_relative(x, y) && max>min)
27 int sy = static_cast<int>((geom.h-slider_size)*(value-min)/(max-min));
29 set_value(value-step*10);
30 else if(y>=static_cast<int>(sy+slider_size))
31 set_value(value+step*10);
37 void VSlider::button_release(int, int, unsigned btn)
39 if(btn==1 && dragging)
43 void VSlider::pointer_motion(int, int y)
49 void VSlider::render_special(const Part &part) const
51 if(part.get_name()=="slider")
53 Alignment align = part.get_alignment();
55 align.y = (value-min)/(max-min);
57 Geometry pgeom = part.get_geometry();
58 align.apply(pgeom, geom, part.get_margin());
61 GL::translate(pgeom.x, pgeom.y, 0);
62 part.get_graphic(state)->render(pgeom.w, pgeom.h);
67 void VSlider::on_geometry_change()
69 drag_area_size = geom.h-slider_size;
72 void VSlider::on_style_change()
77 if(const Part *slider_part = style->get_part("slider"))
78 slider_size = slider_part->get_geometry().h;