+ vector<Filter const *> filters = Filter::all ();
+
+ typedef map<string, list<Filter const *> > CategoryMap;
+ CategoryMap categories;
+
+ for (auto i: filters) {
+ CategoryMap::iterator j = categories.find (i->category());
+ if (j == categories.end ()) {
+ list<Filter const *> c;
+ c.push_back (i);
+ categories[i->category()] = c;
+ } else {
+ j->second.push_back (i);
+ }
+ }
+
+ for (CategoryMap::iterator i = categories.begin(); i != categories.end(); ++i) {
+
+ wxStaticText* c = new StaticText (panel, std_to_wx(i->first));
+ wxFont font = c->GetFont();
+ font.SetWeight(wxFONTWEIGHT_BOLD);
+ c->SetFont(font);
+ sizer->Add (c, 1, wxTOP | wxBOTTOM, DCPOMATIC_SIZER_GAP);
+
+ for (auto j: i->second) {
+ wxCheckBox* b = new CheckBox(panel, std_to_wx(j->name()));
+ bool const a = find (active.begin(), active.end(), j) != active.end();
+ b->SetValue (a);
+ _filters[j] = b;
+ b->Bind (wxEVT_CHECKBOX, boost::bind(&FilterDialog::filter_toggled, this));
+ sizer->Add (b);
+ }
+
+ sizer->AddSpacer (6);
+ }