+ return new Child(*this, wdg);
+}
+
+void Panel::set_pointer_focus(Widget *wdg)
+{
+ if(wdg!=pointer_focus)
+ {
+ if(pointer_focus)
+ pointer_focus->pointer_leave();
+
+ pointer_focus=wdg;
+
+ if(pointer_focus)
+ pointer_focus->pointer_enter();
+ }
+}
+
+void Panel::set_input_focus(Widget *wdg)
+{
+ if(wdg!=input_focus)
+ {
+ if(input_focus)
+ input_focus->focus_out();
+
+ input_focus=wdg;
+
+ if(input_focus)
+ {
+ raise(*wdg);
+ input_focus->focus_in();
+ }
+ }
+}
+
+
+Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
+ Widget::Loader(p),
+ pnl(p),
+ wdg_map(m)
+{
+ add("button", &Loader::child<Button>);
+ add("dropdown", &Loader::child<Dropdown>);
+ add("entry", &Loader::child<Entry>);
+ add("hslider", &Loader::child<HSlider>);
+ add("indicator", &Loader::child<Indicator>);
+ add("label", &Loader::child<Label>);
+ add("list", &Loader::child<List>);
+ add("panel", &Loader::panel);
+ add("table", &Loader::child<Table>);
+ add("toggle", &Loader::child<Toggle>);
+ add("vslider", &Loader::child<VSlider>);
+}
+
+template<typename T>
+void Panel::Loader::child(const string &n)
+{
+ RefPtr<T> chl=new T(pnl.res);
+ load_sub(*chl);
+ pnl.add(*chl.get());
+ wdg_map[n]=chl.release();
+}
+
+void Panel::Loader::panel(const string &n)
+{
+ RefPtr<Panel> p=new Panel(pnl.res);
+ load_sub(*p, wdg_map);
+ pnl.add(*p.get());
+ wdg_map[n]=p.release();
+}
+
+
+Panel::Child::Child(Panel &p, Widget *w):
+ Container::Child(p, w)
+{
+ widget->signal_visibility_changed.connect(sigc::mem_fun(this, &Child::visibility_changed));
+ widget->signal_request_focus.connect(sigc::mem_fun(this, &Child::request_focus));
+ widget->signal_grab_pointer.connect(sigc::mem_fun(this, &Child::grab_pointer));
+ widget->signal_ungrab_pointer.connect(sigc::mem_fun(this, &Child::ungrab_pointer));
+}
+
+Panel::Child::~Child()
+{
+ visibility_changed(false);
+}
+
+void Panel::Child::visibility_changed(bool v)
+{
+ if(!v)
+ {
+ Panel &panel=static_cast<Panel &>(container);
+ if(widget==panel.pointer_focus)
+ panel.set_pointer_focus(0);
+ if(widget==panel.input_focus)
+ panel.set_input_focus(0);
+ }
+}
+
+void Panel::Child::request_focus()
+{
+ Panel &panel=static_cast<Panel &>(container);
+ panel.set_input_focus(widget);
+ if(panel.parent && panel.visible)
+ panel.set_focus();
+}
+
+void Panel::Child::grab_pointer()
+{
+ Panel &panel=static_cast<Panel &>(container);
+ if(!panel.pointer_grabbed)
+ {
+ panel.set_pointer_focus(widget);
+ panel.pointer_grabbed=true;
+ panel.signal_grab_pointer.emit();
+ }
+}
+
+void Panel::Child::ungrab_pointer()
+{
+ Panel &panel=static_cast<Panel &>(container);
+ if(panel.pointer_grabbed && panel.pointer_focus==widget)
+ {
+ // XXX Should set to the widget under pointer
+ panel.set_pointer_focus(0);
+ panel.pointer_grabbed=false;
+ panel.signal_ungrab_pointer.emit();
+ }