2 #include <msp/core/maputils.h>
3 #include <msp/core/refptr.h>
6 #include "draghandle.h"
12 #include "indicator.h"
30 input_type = INPUT_NAVIGATION;
39 void Panel::set_layout(Layout *l)
41 l->set_container(*this);
46 void Panel::autosize_special(const Part &part, Geometry &ageom) const
48 if(part.get_name()=="children" && layout)
49 layout->autosize(ageom);
52 void Panel::render_special(const Part &part, GL::Renderer &renderer) const
54 if(part.get_name()=="children")
56 for(list<Container::Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
57 if((*i)->widget->is_visible())
58 (*i)->widget->render(renderer);
62 bool Panel::navigate(Navigation nav)
64 if(Container::navigate(nav))
67 if(nav==NAV_UP || nav==NAV_DOWN || nav==NAV_LEFT || nav==NAV_RIGHT)
69 int nav_x = (nav==NAV_RIGHT ? 1 : nav==NAV_LEFT ? -1 : 0);
70 int nav_y = (nav==NAV_UP ? 1 : nav==NAV_DOWN ? -1 : 0);
72 int origin_x, origin_y, origin_dim;
75 const Geometry &fgeom = input_focus->get_geometry();
76 origin_x = fgeom.x+(nav_x*0.5+0.5)*fgeom.w;
77 origin_y = fgeom.y+(nav_y*0.5+0.5)*fgeom.h;
78 origin_dim = abs(nav_x)*fgeom.h+abs(nav_y)*fgeom.w;
82 origin_x = geom.w*(0.5-nav_x*0.5);
83 origin_y = geom.h*(0.5-nav_y*0.5);
84 origin_dim = abs(nav_x)*geom.h+abs(nav_y)*geom.w;
87 Widget *sibling = find_next_child(origin_x, origin_y, origin_dim, nav_x, nav_y);
88 if(!sibling && input_focus)
90 const Geometry &fgeom = input_focus->get_geometry();
91 origin_x -= fgeom.w*(nav_x*0.5);
92 origin_y -= fgeom.h*(nav_y*0.5);
93 sibling = find_next_child(origin_x, origin_y, origin_dim, nav_x, nav_y);
98 set_input_focus(sibling);
99 if(Panel *panel = dynamic_cast<Panel *>(sibling))
100 panel->navigate(nav);
108 Widget *Panel::find_next_child(int origin_x, int origin_y, int origin_dim, int nav_x, int nav_y) const
112 for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
114 if((*i)->widget==input_focus || !(*i)->widget->is_focusable())
117 const Geometry &cgeom = (*i)->widget->get_geometry();
118 int dx = compute_delta(cgeom.x, cgeom.w, origin_x, origin_dim, nav_x);
119 int dy = compute_delta(cgeom.y, cgeom.h, origin_y, origin_dim, nav_y);
122 if(nav_y && nav_y*dy>=0)
123 score = nav_y*dy+abs(dx)*4;
124 else if(nav_x && nav_x*dx>=0)
125 score = nav_x*dx+abs(dy)*4;
127 if(score>=0 && (!sibling || score<best_score))
129 sibling = (*i)->widget;
137 int Panel::compute_delta(int pos, int dim, int origin_pos, int origin_dim, int nav)
140 return pos+dim-origin_pos;
142 return pos-origin_pos;
143 else if(pos+dim<origin_pos-origin_dim/2)
144 return pos+dim+origin_dim/2-origin_pos;
145 else if(pos>origin_pos+origin_dim/2)
146 return pos-origin_pos-origin_dim/2;
151 void Panel::on_geometry_change()
157 void Panel::on_child_added(Widget &wdg)
161 layout->add_widget(wdg);
162 signal_autosize_changed.emit();
166 void Panel::on_child_removed(Widget &wdg)
170 layout->remove_widget(wdg);
171 signal_autosize_changed.emit();
176 Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
177 DataFile::DerivedObjectLoader<Panel, Widget::Loader>(p),
181 add_child_type<Button>("button");
182 add("column", &Loader::arrangement<Column>);
183 add("constraint",&Loader::constraint);
184 add_child_type<DragHandle>("draghandle");
185 add_child_type<Dropdown>("dropdown");
186 add_child_type<Entry>("entry");
187 add("expand", &Loader::expand);
188 add("ghost", &Loader::ghost);
189 add("gravity", &Loader::gravity);
190 add("grid", &Loader::grid);
191 add_child_type<HSlider>("hslider");
192 add_child_type<Image>("image");
193 add_child_type<Indicator>("indicator");
194 add_child_type<Label>("label");
195 add("layout", &Loader::layout);
196 add_child_type<List>("list");
197 add_child_type<Panel>("panel");
198 add("row", &Loader::arrangement<Row>);
199 add("stack", &Loader::arrangement<Stack>);
200 add_child_type<Toggle>("toggle");
201 add_child_type<VSlider>("vslider");
205 void Panel::Loader::add_child_type(const string &keyword)
207 add(keyword, &Loader::child<T>);
208 add(keyword, &Loader::unnamed_child<T>);
211 Layout &Panel::Loader::get_layout()
214 obj.set_layout(new Layout);
219 Widget &Panel::Loader::get_last_widget()
222 throw logic_error("no widget loaded");
228 void Panel::Loader::arrangement()
231 ArrangedLoader<T> ldr(*this, arr);
236 void Panel::Loader::child(const string &n)
239 wdg_map[n] = last_widget;
242 void Panel::Loader::constraint(Layout::ConstraintType type, const string &n)
244 Widget &src = get_last_widget();
245 Widget &tgt = *get_item(wdg_map, n);
246 get_layout().add_constraint(src, type, tgt);
249 void Panel::Loader::expand(bool h, bool v)
251 get_layout().set_expand(get_last_widget(), h, v);
254 void Panel::Loader::ghost(bool g)
256 get_layout().set_ghost(get_last_widget(), g);
259 void Panel::Loader::gravity(int h, int v)
261 get_layout().set_gravity(get_last_widget(), h, v);
264 void Panel::Loader::grid(unsigned cols)
266 Grid grd(get_layout(), cols);
267 ArrangedLoader<Grid> ldr(*this, grd);
271 void Panel::Loader::layout()
273 Layout::Loader ldr(get_layout(), wdg_map);
278 void Panel::Loader::unnamed_child()
280 RefPtr<T> chl = new T();
283 last_widget = chl.release();
287 void Panel::Loader::unnamed_child<Panel>()
289 RefPtr<Panel> pnl = new Panel();
290 load_sub(*pnl, wdg_map);
292 last_widget = pnl.release();
296 Panel::ArrangedLoader<T>::ArrangedLoader(Loader &ldr, T &arr):
299 add_auxiliary_loader(ldr);
300 add_auxiliary_loader(arr_loader);