3 This file is part of libmspgltk
4 Copyright © 2007-2008, 2010-2011 Mikko Rasa, Mikkosoft Productions
5 Distributed under the LGPL
8 #include <msp/gl/matrix.h>
9 #include <msp/gl/transform.h>
22 void VSlider::autosize()
29 if(const Part *slider_part = style->get_part("slider"))
31 const Sides &margin = slider_part->get_margin();
32 const Geometry &pgeom = slider_part->get_geometry();
33 geom.w = std::max(geom.w, pgeom.w+margin.left+margin.right);
34 geom.h = std::max(geom.h, pgeom.h*3/2+margin.top+margin.bottom);
38 void VSlider::render_special(const Part &part) const
40 if(part.get_name()=="slider")
42 Alignment align = part.get_alignment();
44 align.y = (value-min)/(max-min);
46 Geometry pgeom = part.get_geometry();
47 align.apply(pgeom, geom, part.get_margin());
50 GL::translate(pgeom.x, pgeom.y, 0);
51 part.get_graphic(state)->render(pgeom.w, pgeom.h);
56 void VSlider::button_press(int x, int y, unsigned btn)
58 if(btn==1 && geom.is_inside_relative(x, y) && max>min)
60 int sy = static_cast<int>((geom.h-slider_size)*(value-min)/(max-min));
62 set_value(value-step*10);
63 else if(y>=static_cast<int>(sy+slider_size))
64 set_value(value+step*10);
70 void VSlider::button_release(int, int, unsigned btn)
72 if(btn==1 && dragging)
76 void VSlider::pointer_motion(int, int y)
82 void VSlider::on_geometry_change()
84 drag_area_size = geom.h-slider_size;
87 void VSlider::on_style_change()
92 if(const Part *slider_part = style->get_part("slider"))
93 slider_size = slider_part->get_geometry().h;