9 hierarchy_error::hierarchy_error(const string &w):
14 Container::Container():
18 pointer_grabbed(false),
24 Container::~Container()
26 while(!children.empty())
27 delete children.front()->widget;
30 void Container::add(Widget &wdg)
33 children.push_back(create_child(&wdg));
34 if(wdg.get_animation_interval())
35 check_animation_interval();
39 void Container::remove(Widget &wdg)
41 for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
42 if((*i)->widget==&wdg)
47 if(wdg.get_animation_interval())
48 check_animation_interval();
49 on_child_removed(wdg);
53 throw hierarchy_error("widget not in container");
56 Container::Child *Container::create_child(Widget *wdg)
58 return new Child(*this, wdg);
61 Geometry Container::determine_child_geometry(const Widget &child, const Part &part) const
63 Geometry pgeom = part.get_geometry();
64 if(!pgeom.w || !pgeom.h)
67 child.autosize(cgeom);
74 part.get_alignment().apply(pgeom, geom, part.get_margin());
78 void Container::autosize_child(const Widget &child, const Part &part, Geometry &ageom) const
80 Geometry cgeom = determine_child_geometry(child, part);
81 const Sides &margin = part.get_margin();
82 ageom.w = max(ageom.w, cgeom.w+margin.left+margin.right);
83 ageom.h = max(ageom.h, cgeom.h+margin.top+margin.bottom);
86 void Container::reposition_child(Widget &child, const Part &part) const
88 child.set_geometry(determine_child_geometry(child, part));
91 list<Widget *> Container::get_children() const
93 list<Widget *> result;
94 for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
95 result.push_back((*i)->widget);
99 Widget *Container::get_child_at(int x, int y) const
101 for(list<Child *>::const_iterator i=children.end(); i!=children.begin();)
102 if((*--i)->widget->is_visible() && (*i)->widget->get_geometry().is_inside(x, y))
108 Widget *Container::get_descendant_at(int x, int y) const
110 Widget *wdg = get_child_at(x, y);
111 if(Container *cont = dynamic_cast<Container *>(wdg))
113 const Geometry &cgeom = wdg->get_geometry();
114 Widget *wdg2 = cont->get_descendant_at(x-cgeom.x, y-cgeom.y);
121 void Container::raise(Widget &wdg)
123 for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
124 if((*i)->widget==&wdg)
126 children.splice(children.end(), children, i);
130 throw hierarchy_error("widget not in container");
133 void Container::set_pointer_focus(Widget *wdg)
135 if(wdg!=pointer_focus)
138 pointer_focus->pointer_leave();
143 pointer_focus->pointer_enter();
147 void Container::set_input_focus(Widget *wdg)
152 input_focus->focus_out();
155 on_input_focus_changed(input_focus);
158 input_focus->focus_in();
162 Widget *Container::get_final_input_focus() const
164 if(Container *container = dynamic_cast<Container *>(input_focus))
165 if(Widget *focus = container->get_final_input_focus())
171 void Container::check_animation_interval()
173 Time::TimeDelta shortest;
174 for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
176 const Time::TimeDelta &child_iv = (*i)->widget->get_animation_interval();
177 if(child_iv && (!shortest || child_iv<shortest))
181 if(shortest!=anim_interval)
182 set_animation_interval(shortest);
185 void Container::button_press(int x, int y, unsigned btn)
187 if(Widget *child = get_pointer_target(x, y, false))
191 set_pointer_focus(child);
192 if(child->is_focusable())
193 set_input_focus(child);
199 const Geometry &cgeom = child->get_geometry();
200 child->button_press(x-cgeom.x, y-cgeom.y, btn);
204 void Container::button_release(int x, int y, unsigned btn)
206 if(Widget *child = get_pointer_target(x, y, false))
208 if(child==click_focus && btn==click_button)
212 set_pointer_focus(get_child_at(x, y));
215 const Geometry &cgeom = child->get_geometry();
216 child->button_release(x-cgeom.x, y-cgeom.y, btn);
220 void Container::pointer_motion(int x, int y)
222 Widget *child = get_pointer_target(x, y, false);
224 set_pointer_focus((!click_focus || child->get_geometry().is_inside(x, y)) ? child : 0);
228 const Geometry &cgeom = child->get_geometry();
229 child->pointer_motion(x-cgeom.x, y-cgeom.y);
233 Widget *Container::get_pointer_target(int x, int y, bool touch) const
236 return pointer_focus;
237 else if(!touch && click_focus)
239 else if(touch && touch_focus)
243 Widget *child = get_child_at(x, y);
244 if(child && child->is_enabled())
251 void Container::pointer_leave()
253 Widget::pointer_leave();
254 set_pointer_focus(0);
257 void Container::touch_press(int x, int y, unsigned finger)
259 if(Widget *child = get_pointer_target(x, y, true))
261 // TODO track focus for each finger separately
265 const Geometry &cgeom = child->get_geometry();
266 child->touch_press(x-cgeom.x, y-cgeom.y, finger);
270 void Container::touch_release(int x, int y, unsigned finger)
272 if(Widget *child = get_pointer_target(x, y, true))
274 // TODO track focus for each finger separately
275 if(child==touch_focus)
278 const Geometry &cgeom = child->get_geometry();
279 child->touch_release(x-cgeom.x, y-cgeom.y, finger);
283 void Container::touch_motion(int x, int y, unsigned finger)
285 if(Widget *child = get_pointer_target(x, y, true))
287 const Geometry &cgeom = child->get_geometry();
288 child->touch_motion(x-cgeom.x, y-cgeom.y, finger);
292 bool Container::key_press(unsigned key, unsigned mod)
294 if(input_focus && input_focus->is_enabled())
295 return input_focus->key_press(key, mod);
300 bool Container::key_release(unsigned key, unsigned mod)
302 if(input_focus && input_focus->is_enabled())
303 return input_focus->key_release(key, mod);
308 bool Container::character(wchar_t ch)
310 if(input_focus && input_focus->is_enabled())
311 return input_focus->character(ch);
316 void Container::focus_in()
318 if(saved_input_focus && saved_input_focus->get_parent()==this)
319 set_input_focus(saved_input_focus);
323 void Container::focus_out()
325 saved_input_focus = input_focus;
330 bool Container::navigate(Navigation nav)
332 if(input_focus && input_focus->is_enabled())
333 return input_focus->navigate(nav);
338 void Container::animate(const Time::TimeDelta &dt)
340 for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
342 const Time::TimeDelta &child_iv = (*i)->widget->get_animation_interval();
346 (*i)->time_since_animate += dt;
347 if((*i)->time_since_animate>=child_iv)
349 Time::TimeDelta child_dt = (*i)->time_since_animate;
350 (*i)->time_since_animate = min((*i)->time_since_animate-child_iv, child_iv);
351 (*i)->widget->animate(child_dt);
356 void Container::on_reparent()
358 for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
360 if(Container *c = dynamic_cast<Container *>((*i)->widget))
362 (*i)->widget->update_style();
366 void Container::on_input_focus_changed(Widget *wdg)
373 Container::Child::Child(Container &c, Widget *w):
377 widget->signal_visibility_changed.connect(sigc::mem_fun(this, &Child::visibility_changed));
378 widget->signal_request_focus.connect(sigc::mem_fun(this, &Child::request_focus));
379 widget->signal_grab_pointer.connect(sigc::mem_fun(this, &Child::grab_pointer));
380 widget->signal_ungrab_pointer.connect(sigc::mem_fun(this, &Child::ungrab_pointer));
381 widget->signal_request_animation.connect(sigc::mem_fun(this, &Child::request_animation));
384 Container::Child::~Child()
386 visibility_changed(false);
389 void Container::Child::visibility_changed(bool v)
393 if(widget==container.click_focus)
394 container.click_focus = 0;
395 if(widget==container.pointer_focus)
396 container.set_pointer_focus(0);
397 if(widget==container.input_focus)
398 container.set_input_focus(0);
402 void Container::Child::request_focus()
404 if(container.parent && container.visible)
405 container.set_focus();
406 if(container.state&FOCUS)
407 container.set_input_focus(widget);
410 void Container::Child::grab_pointer()
412 if(!container.pointer_grabbed)
414 container.set_pointer_focus(widget);
415 container.pointer_grabbed = true;
416 container.signal_grab_pointer.emit();
420 void Container::Child::ungrab_pointer()
422 if(container.pointer_grabbed && container.pointer_focus==widget)
424 // XXX Should set to the widget under pointer
425 container.set_pointer_focus(0);
426 container.pointer_grabbed = false;
427 container.signal_ungrab_pointer.emit();
431 void Container::Child::request_animation(const Time::TimeDelta &interval)
434 time_since_animate = Time::zero;
435 container.check_animation_interval();