1 #include <msp/core/algorithm.h>
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 if(pointer_grabbed && pointer_focus==input_focus)
90 Widget *sibling = find_next_child(origin_x, origin_y, origin_dim, nav_x, nav_y);
91 if(!sibling && input_focus)
93 const Geometry &fgeom = input_focus->get_geometry();
94 origin_x -= fgeom.w*(nav_x*0.5);
95 origin_y -= fgeom.h*(nav_y*0.5);
96 sibling = find_next_child(origin_x, origin_y, origin_dim, nav_x, nav_y);
101 set_input_focus(sibling);
102 if(Panel *panel = dynamic_cast<Panel *>(sibling))
103 panel->navigate(nav);
107 else if(nav==NAV_NEXT || nav==NAV_PREVIOUS)
109 vector<Widget *>::iterator i = find(nav_order, input_focus);
113 if(i!=nav_order.end())
115 if(i==nav_order.end())
116 i = nav_order.begin();
120 if(i==nav_order.begin())
133 Widget *Panel::find_next_child(int origin_x, int origin_y, int origin_dim, int nav_x, int nav_y) const
137 for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
139 if((*i)->widget==input_focus || !(*i)->widget->is_focusable())
142 const Geometry &cgeom = (*i)->widget->get_geometry();
143 int dx = compute_delta(cgeom.x, cgeom.w, origin_x, origin_dim, nav_x);
144 int dy = compute_delta(cgeom.y, cgeom.h, origin_y, origin_dim, nav_y);
147 if(nav_y && nav_y*dy>=0)
148 score = nav_y*dy+abs(dx)*4;
149 else if(nav_x && nav_x*dx>=0)
150 score = nav_x*dx+abs(dy)*4;
152 if(score>=0 && (!sibling || score<best_score))
154 sibling = (*i)->widget;
162 int Panel::compute_delta(int pos, int dim, int origin_pos, int origin_dim, int nav)
165 return pos+dim-origin_pos;
167 return pos-origin_pos;
168 else if(pos+dim<origin_pos-origin_dim/2)
169 return pos+dim+origin_dim/2-origin_pos;
170 else if(pos>origin_pos+origin_dim/2)
171 return pos-origin_pos-origin_dim/2;
176 void Panel::on_geometry_change()
182 void Panel::on_child_added(Widget &wdg)
184 if(wdg.get_input_type()!=INPUT_NONE)
185 nav_order.push_back(&wdg);
189 layout->add_widget(wdg);
190 signal_autosize_changed.emit();
194 void Panel::on_child_removed(Widget &wdg)
196 vector<Widget *>::iterator i = std::remove(nav_order.begin(), nav_order.end(), &wdg);
197 if(i!=nav_order.end())
198 nav_order.erase(i, nav_order.end());
202 layout->remove_widget(wdg);
203 signal_autosize_changed.emit();
208 Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
209 DataFile::DerivedObjectLoader<Panel, Widget::Loader>(p),
213 add_child_type<Button>("button");
214 add("column", &Loader::arrangement<Column>);
215 add("constraint",&Loader::constraint);
216 add_child_type<DragHandle>("draghandle");
217 add_child_type<Dropdown>("dropdown");
218 add_child_type<Entry>("entry");
219 add("expand", &Loader::expand);
220 add("ghost", &Loader::ghost);
221 add("gravity", &Loader::gravity);
222 add("grid", &Loader::grid);
223 add_child_type<HSlider>("hslider");
224 add_child_type<Image>("image");
225 add_child_type<Indicator>("indicator");
226 add_child_type<Label>("label");
227 add("layout", &Loader::layout);
228 add_child_type<List>("list");
229 add_child_type<Panel>("panel");
230 add("row", &Loader::arrangement<Row>);
231 add("stack", &Loader::arrangement<Stack>);
232 add_child_type<Toggle>("toggle");
233 add_child_type<VSlider>("vslider");
237 void Panel::Loader::add_child_type(const string &keyword)
239 add(keyword, &Loader::child<T>);
240 add(keyword, &Loader::unnamed_child<T>);
243 Layout &Panel::Loader::get_layout()
246 obj.set_layout(new Layout);
251 Widget &Panel::Loader::get_last_widget()
254 throw logic_error("no widget loaded");
260 void Panel::Loader::arrangement()
263 ArrangedLoader<T> ldr(*this, arr);
268 void Panel::Loader::child(const string &n)
271 wdg_map[n] = last_widget;
274 void Panel::Loader::constraint(Layout::ConstraintType type, const string &n)
276 Widget &src = get_last_widget();
277 Widget &tgt = *get_item(wdg_map, n);
278 get_layout().add_constraint(src, type, tgt);
281 void Panel::Loader::expand(bool h, bool v)
283 get_layout().set_expand(get_last_widget(), h, v);
286 void Panel::Loader::ghost(bool g)
288 get_layout().set_ghost(get_last_widget(), g);
291 void Panel::Loader::gravity(int h, int v)
293 get_layout().set_gravity(get_last_widget(), h, v);
296 void Panel::Loader::grid(unsigned cols)
298 Grid grd(get_layout(), cols);
299 ArrangedLoader<Grid> ldr(*this, grd);
303 void Panel::Loader::layout()
305 Layout::Loader ldr(get_layout(), wdg_map);
310 void Panel::Loader::unnamed_child()
312 RefPtr<T> chl = new T();
315 last_widget = chl.release();
319 void Panel::Loader::unnamed_child<Panel>()
321 RefPtr<Panel> pnl = new Panel();
322 load_sub(*pnl, wdg_map);
324 last_widget = pnl.release();
328 Panel::ArrangedLoader<T>::ArrangedLoader(Loader &ldr, T &arr):
331 add_auxiliary_loader(ldr);
332 add_auxiliary_loader(arr_loader);