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>
18 HSlider::HSlider(const Resources &r):
24 void HSlider::button_press(int x, int y, unsigned btn)
26 if(btn==1 && geom.is_inside_relative(x, y) && max>min)
28 int sx = static_cast<int>((geom.w-slider_size)*(value-min)/(max-min));
30 set_value(value-step*10);
31 else if(x>=static_cast<int>(sx+slider_size))
32 set_value(value+step*10);
38 void HSlider::button_release(int, int, unsigned btn)
40 if(btn==1 && dragging)
44 void HSlider::pointer_motion(int x, int)
50 void HSlider::render_special(const Part &part) const
52 if(part.get_name()=="slider")
54 Alignment align = part.get_alignment();
56 align.x = (value-min)/(max-min);
58 Geometry pgeom = part.get_geometry();
59 align.apply(pgeom, geom, part.get_margin());
62 GL::translate(pgeom.x, pgeom.y, 0);
63 part.get_graphic(state)->render(pgeom.w, pgeom.h);
68 void HSlider::on_geometry_change()
70 drag_area_size = geom.w-slider_size;
73 void HSlider::on_style_change()
75 if(const Part *slider_part = style->get_part("slider"))
76 slider_size = slider_part->get_geometry().w;