sel_index = -1;
first = 0;
max_scroll = 0;
+ view_size = 5;
observer = new DataObserver(*this);
delete data;
}
-void List::autosize()
+void List::autosize_special(const Part &part, Geometry &ageom)
{
- autosize_rows(5);
-}
-
-void List::autosize_rows(unsigned n)
-{
- if(!style)
- return;
-
- Widget::autosize();
-
- if(const Part *items_part = style->get_part("items"))
+ if(part.get_name()=="items")
{
- const Sides &margin = items_part->get_margin();
+ const Sides &margin = part.get_margin();
unsigned max_w = 0;
unsigned total_h = 0;
- for(unsigned i=0; (i<n && i<items.size()); ++i)
+ for(unsigned i=0; i<items.size(); ++i)
{
items[i]->autosize();
const Geometry &igeom = items[i]->get_geometry();
max_w = max(max_w, igeom.w);
- total_h += igeom.h;
+ if(view_size==0 || i<view_size)
+ total_h += igeom.h;
}
- if(!items.empty() && items.size()<n)
- total_h = total_h*n/items.size();
+ if(!items.empty() && items.size()<view_size)
+ total_h = total_h*view_size/items.size();
- geom.w = max(geom.w, max_w+margin.left+margin.right);
- geom.h = max(geom.h, total_h+margin.top+margin.bottom);
+ ageom.w = max(ageom.w, max_w+margin.left+margin.right);
+ ageom.h = max(ageom.h, total_h+margin.top+margin.bottom);
}
-
- check_view_range();
- rebuild();
-}
-
-void List::autosize_all()
-{
- autosize_rows(data->size());
}
void List::set_data(ListData &d)
own_data = false;
observer = new DataObserver(*this);
+ for(vector<Item *>::iterator i=items.begin(); i!=items.end(); ++i)
+ delete *i;
+ items.clear();
+ unsigned n_items = data->size();
+ for(unsigned i=0; i<n_items; ++i)
+ {
+ Item *item = create_item(i);
+ add(*item);
+ items.push_back(item);
+ }
+
items_changed();
}
return new BasicItem(data->get_string(index));
}
+void List::set_view_size(unsigned s)
+{
+ view_size = s;
+ signal_autosize_changed.emit();
+}
+
+void List::set_view_all()
+{
+ set_view_size(0);
+}
+
void List::set_selected_index(int i)
{
if(i>static_cast<int>(data->size()))
items[sel_index]->set_active(false);
if(i<0)
sel_index = -1;
- else
+ else if(i!=sel_index)
{
sel_index = i;
items[sel_index]->set_active(true);
}
-void List::Item::autosize()
+void List::Item::autosize_special(const Part &part, Geometry &ageom)
{
- Widget::autosize();
-
- if(const Part *part = style->get_part("children"))
+ if(part.get_name()=="children")
{
- const Sides &margin = part->get_margin();
+ const Sides &margin = part.get_margin();
for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
{
const Geometry &cgeom = (*i)->widget->get_geometry();
- geom.w = max(geom.w, cgeom.x+cgeom.w+margin.right);
- geom.h = max(geom.h, cgeom.y+cgeom.h+margin.top);
+ ageom.w = max(ageom.w, cgeom.x+cgeom.w+margin.right);
+ ageom.h = max(ageom.h, cgeom.y+cgeom.h+margin.top);
}
}
}
DataFile::DerivedObjectLoader<List, Widget::Loader>(l)
{
add("item", &Loader::item);
+ add("view_size", &List::view_size);
}
void List::Loader::item(const string &v)