unsigned total_h = 0;
for(unsigned i=0; i<items.size(); ++i)
{
- const Geometry &igeom = items[i]->get_geometry();
+ Geometry igeom;
+ items[i]->autosize(igeom);
max_w = max(max_w, igeom.w);
if(view_size==0 || i<view_size)
total_h += igeom.h;
ageom.w = max(ageom.w, max_w+margin.left+margin.right);
ageom.h = max(ageom.h, total_h+margin.top+margin.bottom);
}
+ else if(part.get_name()=="slider")
+ autosize_child(slider, part, ageom);
}
void List::set_data(ListData &d)
void List::items_changed()
{
- check_view_range();
signal_autosize_changed.emit();
- reposition_items();
+ rebuild();
}
List::Item *List::create_item(unsigned index)
item = item_factory->create_item(index);
else
item = new BasicItem(data->get_string(index));
- add(*item);
- item->autosize();
item->signal_autosize_changed.connect(sigc::bind(sigc::mem_fun(this, &List::item_autosize_changed), item));
+ add(*item);
return item;
}
}
}
+void List::rebuild_special(const Part &part)
+{
+ if(part.get_name()=="slider")
+ reposition_child(slider, part);
+ else if(part.get_name()=="items")
+ {
+ const Sides &margin = part.get_margin();
+ unsigned w = geom.w-min(geom.w, margin.left+margin.right);
+ unsigned y = geom.h-min(geom.h, margin.top);
+ for(unsigned i=0; i<items.size(); ++i)
+ {
+ if(i<first || !y)
+ items[i]->set_visible(false);
+ else
+ {
+ Geometry igeom = items[i]->get_geometry();
+ if(igeom.h+margin.bottom<=y)
+ {
+ items[i]->set_visible(true);
+ y -= igeom.h;
+ igeom.x = margin.left;
+ igeom.y = y;
+ igeom.w = w;
+ items[i]->set_geometry(igeom);
+ }
+ else
+ {
+ items[i]->set_visible(false);
+ y = 0;
+ }
+ }
+ }
+
+ check_view_range();
+ }
+
+ Widget::rebuild_special(part);
+}
+
void List::render_special(const Part &part, GL::Renderer &renderer) const
{
if(part.get_name()=="items")
}
}
-void List::on_geometry_change()
-{
- reposition_slider();
- reposition_items();
-
- check_view_range();
-}
-
-void List::on_style_change()
-{
- if(!style)
- return;
-
- reposition_slider();
- reposition_items();
-
- check_view_range();
-}
-
-void List::reposition_slider()
-{
- if(!style)
- return;
-
- 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::item_autosize_changed(Item *item)
{
- signal_autosize_changed.emit();
item->autosize();
- reposition_items();
-}
-
-void List::reposition_items()
-{
- if(!style)
- return;
-
- if(const Part *items_part = style->get_part("items"))
- {
- const Sides &margin = items_part->get_margin();
- unsigned w = geom.w-margin.left-margin.right;
- unsigned y = geom.h-margin.top;
- for(unsigned i=0; i<items.size(); ++i)
- {
- if(i<first || !y)
- items[i]->set_visible(false);
- else
- {
- Geometry igeom = items[i]->get_geometry();
- if(igeom.h+margin.bottom<=y)
- {
- items[i]->set_visible(true);
- y -= igeom.h;
- igeom.x = margin.left;
- igeom.y = y;
- igeom.w = w;
- items[i]->set_geometry(igeom);
- }
- else
- {
- items[i]->set_visible(false);
- y = 0;
- }
- }
- }
- }
+ signal_autosize_changed.emit();
+ rebuild();
}
void List::check_view_range()
if(max_scroll>0)
{
first = max_scroll-static_cast<unsigned>(value);
- reposition_items();
+ rebuild();
}
}
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();
+ Geometry cgeom;
+ (*i)->widget->autosize(cgeom);
ageom.w = max(ageom.w, cgeom.x+cgeom.w+margin.right);
ageom.h = max(ageom.h, cgeom.y+cgeom.h+margin.top);
}
}
+void List::MultiColumnItem::check_widths(vector<unsigned> &widths) const
+{
+ if(widths.size()<children.size())
+ widths.resize(children.size(), 0);
+
+ unsigned n = 0;
+ for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i, ++n)
+ {
+ Geometry cgeom;
+ (*i)->widget->autosize(cgeom);
+ // TODO invent a better way to specify spacings
+ widths[n] = max(widths[n], cgeom.w+8);
+ }
+}
+
+void List::MultiColumnItem::set_widths(const vector<unsigned> &widths)
+{
+ if(!style)
+ return;
+
+ const Part *part = style->get_part("children");
+ if(!part)
+ return;
+
+ const Sides &margin = part->get_margin();
+ int x = margin.left;
+ unsigned n = 0;
+ for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i, ++n)
+ {
+ (*i)->widget->set_position(x, margin.bottom);
+ x += widths[n];
+ }
+}
+
+void List::MultiColumnItem::on_style_change()
+{
+ if(!style)
+ return;
+
+ for(std::list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+ (*i)->widget->autosize();
+
+ vector<unsigned> widths;
+ List *list = static_cast<List *>(parent);
+ for(vector<Item *>::const_iterator i=list->items.begin(); i!=list->items.end(); ++i)
+ if(*i!=this)
+ if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(*i))
+ mci->check_widths(widths);
+
+ vector<unsigned> self_widths(widths);
+ check_widths(self_widths);
+ bool update_all = false;
+ for(unsigned i=0; (!update_all && i<widths.size() && i<self_widths.size()); ++i)
+ update_all = self_widths[i]>widths[i];
+
+ if(update_all)
+ {
+ for(vector<Item *>::const_iterator i=list->items.begin(); i!=list->items.end(); ++i)
+ if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(*i))
+ mci->set_widths(self_widths);
+ }
+ else
+ set_widths(self_widths);
+}
+
+
List::BasicItem::BasicItem(const string &text):
label(text)
{