8 hierarchy_error::hierarchy_error(const string &w):
13 Container::Container():
17 pointer_grabbed(false),
21 Container::~Container()
23 while(!children.empty())
24 delete children.front()->widget;
27 void Container::add(Widget &wdg)
30 children.push_back(create_child(&wdg));
34 void Container::remove(Widget &wdg)
36 for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
37 if((*i)->widget==&wdg)
42 on_child_removed(wdg);
46 throw hierarchy_error("widget not in container");
49 Container::Child *Container::create_child(Widget *wdg)
51 return new Child(*this, wdg);
54 list<Widget *> Container::get_children() const
56 list<Widget *> result;
57 for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
58 result.push_back((*i)->widget);
62 Widget *Container::get_child_at(int x, int y)
64 for(list<Child *>::iterator i=children.end(); i!=children.begin();)
65 if((*--i)->widget->is_visible() && (*i)->widget->get_geometry().is_inside(x, y))
71 Widget *Container::get_descendant_at(int x, int y)
73 Widget *wdg = get_child_at(x, y);
74 if(Container *cont = dynamic_cast<Container *>(wdg))
76 const Geometry &cgeom = wdg->get_geometry();
77 Widget *wdg2 = cont->get_descendant_at(x-cgeom.x, y-cgeom.y);
84 void Container::raise(Widget &wdg)
86 for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
87 if((*i)->widget==&wdg)
89 children.splice(children.end(), children, i);
93 throw hierarchy_error("widget not in container");
96 void Container::set_pointer_focus(Widget *wdg)
98 if(wdg!=pointer_focus)
101 pointer_focus->pointer_leave();
106 pointer_focus->pointer_enter();
110 void Container::set_input_focus(Widget *wdg)
115 input_focus->focus_out();
122 input_focus->focus_in();
127 Widget *Container::get_final_input_focus() const
129 if(Container *container = dynamic_cast<Container *>(input_focus))
130 if(Widget *focus = container->get_final_input_focus())
136 void Container::button_press(int x, int y, unsigned btn)
140 const Geometry &cgeom = pointer_focus->get_geometry();
141 pointer_focus->button_press(x-cgeom.x, y-cgeom.y, btn);
145 if(Widget *wdg = get_child_at(x, y))
147 set_pointer_focus(wdg);
148 if(wdg->is_focusable())
149 set_input_focus(wdg);
153 const Geometry &cgeom = click_focus->get_geometry();
154 click_focus->button_press(x-cgeom.x, y-cgeom.y, btn);
158 if(Widget *wdg = get_child_at(x, y))
163 const Geometry &cgeom = wdg->get_geometry();
164 wdg->button_press(x-cgeom.x, y-cgeom.y, btn);
170 void Container::button_release(int x, int y, unsigned btn)
174 const Geometry &cgeom = pointer_focus->get_geometry();
175 pointer_focus->button_release(x-cgeom.x, y-cgeom.y, btn);
179 Widget *wdg = click_focus;
181 if(btn==click_button)
184 const Geometry &cgeom = wdg->get_geometry();
185 wdg->button_release(x-cgeom.x, y-cgeom.y, btn);
189 if(Widget *wdg = get_child_at(x, y))
191 const Geometry &cgeom = wdg->get_geometry();
192 wdg->button_release(x-cgeom.x, y-cgeom.y, btn);
197 void Container::pointer_motion(int x, int y)
201 const Geometry &cgeom = pointer_focus->get_geometry();
202 pointer_focus->pointer_motion(x-cgeom.x, y-cgeom.y);
206 set_pointer_focus(get_child_at(x, y));
209 const Geometry &cgeom = click_focus->get_geometry();
210 click_focus->pointer_motion(x-cgeom.x, y-cgeom.y);
214 Widget *wdg = get_child_at(x, y);
217 const Geometry &cgeom = wdg->get_geometry();
218 wdg->pointer_motion(x-cgeom.x, y-cgeom.y);
224 void Container::pointer_leave()
226 Widget::pointer_leave();
228 set_pointer_focus(0);
231 void Container::key_press(unsigned key, unsigned mod)
234 input_focus->key_press(key, mod);
237 void Container::key_release(unsigned key, unsigned mod)
240 input_focus->key_release(key, mod);
243 void Container::character(wchar_t ch)
246 input_focus->character(ch);
249 void Container::focus_out()
255 void Container::on_reparent()
257 for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
259 if(Container *c = dynamic_cast<Container *>((*i)->widget))
261 (*i)->widget->update_style();
266 Container::Child::Child(Container &c, Widget *w):
270 widget->signal_visibility_changed.connect(sigc::mem_fun(this, &Child::visibility_changed));
271 widget->signal_request_focus.connect(sigc::mem_fun(this, &Child::request_focus));
272 widget->signal_grab_pointer.connect(sigc::mem_fun(this, &Child::grab_pointer));
273 widget->signal_ungrab_pointer.connect(sigc::mem_fun(this, &Child::ungrab_pointer));
276 Container::Child::~Child()
278 visibility_changed(false);
281 void Container::Child::visibility_changed(bool v)
285 if(widget==container.click_focus)
286 container.click_focus = 0;
287 if(widget==container.pointer_focus)
288 container.set_pointer_focus(0);
289 if(widget==container.input_focus)
290 container.set_input_focus(0);
294 void Container::Child::request_focus()
296 container.set_input_focus(widget);
297 if(container.parent && container.visible)
298 container.set_focus();
301 void Container::Child::grab_pointer()
303 if(!container.pointer_grabbed)
305 container.set_pointer_focus(widget);
306 container.pointer_grabbed = true;
307 container.signal_grab_pointer.emit();
311 void Container::Child::ungrab_pointer()
313 if(container.pointer_grabbed && container.pointer_focus==widget)
315 // XXX Should set to the widget under pointer
316 container.set_pointer_focus(0);
317 container.pointer_grabbed = false;
318 container.signal_ungrab_pointer.emit();