1 #include <msp/core/algorithm.h>
2 #include <msp/core/maputils.h>
3 #include <msp/core/refptr.h>
6 #include "draghandle.h"
11 #include "indicator.h"
16 #include "progressbar.h"
27 DataFile::LoadableTypeRegistry<Panel::Loader, Panel::Loader::AddChildType> Panel::widget_registry;
28 bool Panel::widget_registry_init_done = false;
33 input_type = INPUT_NAVIGATION;
42 void Panel::set_layout(Layout *l)
44 l->set_container(*this);
49 void Panel::autosize_special(const Part &part, Geometry &ageom) const
51 if(part.get_name()=="children" && layout)
52 layout->autosize(ageom);
55 void Panel::render_special(const Part &part, GL::Renderer &renderer) const
57 if(part.get_name()=="children")
59 for(list<Container::Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
60 if((*i)->widget->is_visible())
61 (*i)->widget->render(renderer);
65 bool Panel::navigate(Navigation nav)
67 if(Container::navigate(nav))
70 if(nav==NAV_UP || nav==NAV_DOWN || nav==NAV_LEFT || nav==NAV_RIGHT)
72 int nav_x = (nav==NAV_RIGHT ? 1 : nav==NAV_LEFT ? -1 : 0);
73 int nav_y = (nav==NAV_UP ? 1 : nav==NAV_DOWN ? -1 : 0);
75 int origin_x, origin_y, origin_dim;
78 const Geometry &fgeom = input_focus->get_geometry();
79 origin_x = fgeom.x+(nav_x*0.5+0.5)*fgeom.w;
80 origin_y = fgeom.y+(nav_y*0.5+0.5)*fgeom.h;
81 origin_dim = abs(nav_x)*fgeom.h+abs(nav_y)*fgeom.w;
85 origin_x = geom.w*(0.5-nav_x*0.5);
86 origin_y = geom.h*(0.5-nav_y*0.5);
87 origin_dim = abs(nav_x)*geom.h+abs(nav_y)*geom.w;
90 if(pointer_grabbed && pointer_focus==input_focus)
93 Widget *sibling = find_next_child(origin_x, origin_y, origin_dim, nav_x, nav_y);
94 if(!sibling && input_focus)
96 const Geometry &fgeom = input_focus->get_geometry();
97 origin_x -= fgeom.w*(nav_x*0.5);
98 origin_y -= fgeom.h*(nav_y*0.5);
99 sibling = find_next_child(origin_x, origin_y, origin_dim, nav_x, nav_y);
104 set_input_focus(sibling);
105 if(Panel *panel = dynamic_cast<Panel *>(sibling))
106 panel->navigate(nav);
110 else if(nav==NAV_NEXT || nav==NAV_PREVIOUS)
112 vector<Widget *>::iterator i = find(nav_order, input_focus);
116 if(i!=nav_order.end())
118 if(i==nav_order.end())
119 i = nav_order.begin();
123 if(i==nav_order.begin())
136 Widget *Panel::find_next_child(int origin_x, int origin_y, int origin_dim, int nav_x, int nav_y) const
140 for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
142 if((*i)->widget==input_focus || !(*i)->widget->is_focusable())
145 const Geometry &cgeom = (*i)->widget->get_geometry();
146 int dx = compute_delta(cgeom.x, cgeom.w, origin_x, origin_dim, nav_x);
147 int dy = compute_delta(cgeom.y, cgeom.h, origin_y, origin_dim, nav_y);
150 if(nav_y && nav_y*dy>=0)
151 score = nav_y*dy+abs(dx)*4;
152 else if(nav_x && nav_x*dx>=0)
153 score = nav_x*dx+abs(dy)*4;
155 if(score>=0 && (!sibling || score<best_score))
157 sibling = (*i)->widget;
165 int Panel::compute_delta(int pos, int dim, int origin_pos, int origin_dim, int nav)
168 return pos+dim-origin_pos;
170 return pos-origin_pos;
171 else if(pos+dim<origin_pos-origin_dim/2)
172 return pos+dim+origin_dim/2-origin_pos;
173 else if(pos>origin_pos+origin_dim/2)
174 return pos-origin_pos-origin_dim/2;
179 void Panel::on_size_change()
185 void Panel::on_child_added(Widget &wdg)
187 if(wdg.get_input_type()!=INPUT_NONE)
188 nav_order.push_back(&wdg);
192 layout->add_widget(wdg);
193 signal_autosize_changed.emit();
197 void Panel::on_child_removed(Widget &wdg)
199 vector<Widget *>::iterator i = std::remove(nav_order.begin(), nav_order.end(), &wdg);
200 if(i!=nav_order.end())
201 nav_order.erase(i, nav_order.end());
205 layout->remove_widget(wdg);
206 signal_autosize_changed.emit();
211 Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
212 DataFile::DerivedObjectLoader<Panel, Widget::Loader>(p),
216 if(!widget_registry_init_done)
218 widget_registry_init_done = true;
219 register_child_type<Button>("button");
220 register_child_type<DragHandle>("draghandle");
221 register_child_type<Dropdown>("dropdown");
222 register_child_type<Entry>("entry");
223 register_child_type<HSlider>("hslider");
224 register_child_type<Image>("image");
225 register_child_type<Indicator>("indicator");
226 register_child_type<Label>("label");
227 register_child_type<List>("list");
228 register_child_type<Panel>("panel");
229 register_child_type<ProgressBar>("progressbar");
230 register_child_type<Toggle>("toggle");
231 register_child_type<VSlider>("vslider");
234 add("column", &Loader::arrangement<Column>);
235 add("constraint",&Loader::constraint);
236 add("expand", &Loader::expand);
237 add("ghost", &Loader::ghost);
238 add("gravity", &Loader::gravity);
239 add("grid", &Loader::grid);
240 add("layout", &Loader::layout);
241 add("row", &Loader::arrangement<Row>);
242 add("stack", &Loader::arrangement<Stack>);
243 widget_registry.add_all(*this);
246 Layout &Panel::Loader::get_layout()
249 obj.set_layout(new Layout);
254 Widget &Panel::Loader::get_last_widget()
257 throw logic_error("no widget loaded");
263 void Panel::Loader::arrangement()
266 ArrangedLoader<T> ldr(*this, arr);
270 void Panel::Loader::constraint(Layout::ConstraintType type, const string &n)
272 Widget &src = get_last_widget();
273 Widget &tgt = *get_item(wdg_map, n);
274 get_layout().add_constraint(src, type, tgt);
277 void Panel::Loader::expand(bool h, bool v)
279 get_layout().set_expand(get_last_widget(), h, v);
282 void Panel::Loader::ghost(bool g)
284 get_layout().set_ghost(get_last_widget(), g);
287 void Panel::Loader::gravity(int h, int v)
289 get_layout().set_gravity(get_last_widget(), h, v);
292 void Panel::Loader::grid(unsigned cols)
294 Grid grd(get_layout(), cols);
295 ArrangedLoader<Grid> ldr(*this, grd);
299 void Panel::Loader::layout()
301 Layout::Loader ldr(get_layout(), wdg_map);
306 void Panel::Loader::unnamed_child<Panel>()
308 RefPtr<Panel> pnl = new Panel();
309 load_sub(*pnl, wdg_map);
311 last_widget = pnl.release();
316 Panel::ArrangedLoader<T>::ArrangedLoader(Loader &ldr, T &arr):
319 add_auxiliary_loader(ldr);
320 add_auxiliary_loader(arr_loader);