Add method to get a Part by name

[libs/gltk.git] / source / list.cpp

diff --git a/source/list.cpp b/source/list.cpp
index afa7573ecb837a6fd45d04810105e4b85e651bf5..59d13dcc7236a358b18c19d29ed40602ec9a9b80 100644 (file)
--- a/source/list.cpp
+++ b/source/list.cpp
@@ -179,10 +179,7 @@ void List::on_style_change()
 {
        reposition_slider();
 
-       items_part = 0;
-       for(list<Part>::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
-               if(i->get_name()=="items")
-                       items_part = &*i;
+       items_part = style->get_part("items");
 
        const GL::Font &font = *style->get_font();
        row_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font.get_default_size());
@@ -192,13 +189,12 @@ void List::on_style_change()
 
 void List::reposition_slider()
 {
-       for(list<Part>::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
-               if(i->get_name()=="slider")
-               {
-                       Geometry sgeom = i->get_geometry();
-                       i->get_alignment().apply(sgeom, geom, i->get_margin());
-                       slider.set_geometry(sgeom);
-               }
+       if(const Part *slider_part = style->get_part("slider"))
+       {
+               Geometry sgeom = slider_part->get_geometry();
+               slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
+               slider.set_geometry(sgeom);
+       }
 }
 
 void List::recalculate_parameters()