GUIComponent *GUIComponent::get_next_component_in_tree() { if (has_child_components()) return get_first_child(); if (impl->next_sibling) return impl->next_sibling; GUIComponent *parent = impl->parent; while (parent) { if (parent->get_next_sibling()) return parent->get_next_sibling(); parent = parent->get_parent_component(); } // Reached end of tree. Return first item. return get_top_level_component(); }
void GUIFindPreferredHeight::flex_vertical_node(GUIComponent_Impl *node) { node->css_used_values.height = node->component->get_preferred_content_height(node->css_used_values.width); CSSUsedValue preferred_height = 0.0f; for (GUIComponent *child = node->first_child; child != 0; child = child->get_next_sibling()) { if (is_normal_flow(child->impl.get())) { GUICSSUsedValues &child_used_values = child->impl->css_used_values; // If the height of the box cannot be determined from CSS, then ask the component: if (child_used_values.height_undetermined) { GUICSSDisplayVisitor::node(child->impl.get()); } preferred_height += get_used_noncontent_height(child_used_values) + child_used_values.height; } } node->css_used_values.height = std::max(node->css_used_values.height, preferred_height); GUICSSApplyMinMaxConstraints::visit(node->css_used_values, node->element.get_css_values().get_box(), node->parent->impl->css_used_values); }
void RadioButton_Impl::on_process_message(std::shared_ptr<GUIMessage> &msg) { if (!radio->is_enabled()) return; std::shared_ptr<GUIMessage_Input> input_msg = std::dynamic_pointer_cast<GUIMessage_Input>(msg); if (input_msg) { const InputEvent &e = input_msg->input_event; if (e.type == InputEvent::pressed && e.id == mouse_left) { part_checker.set_pseudo_class(CssStr::pressed, true); radio->request_repaint(); msg->consumed = true; } else if (e.type == InputEvent::released && e.id == mouse_left) { if ((part_checker.get_pseudo_class(CssStr::checked) == false)) { Callback_v1<RadioButton*> cb = uncheck_radio_buttons(radio->get_parent_component()); part_checker.set_pseudo_class(CssStr::pressed, false); radio->set_selected(true); if (!cb.is_null()) cb.invoke(radio); if (!func_selected.is_null()) func_selected.invoke(); } else { part_checker.set_pseudo_class(CssStr::pressed, false); radio->request_repaint(); } radio->set_focus(true); msg->consumed = true; } else if (e.type == InputEvent::pressed && (e.id == keycode_left || e.id == keycode_up)) { std::vector<GUIComponent*> group = radio->get_parent_component()->get_child_component_group(radio->get_component_group_name()); // find previous visible & enabled radiobutton in the same group: GUIComponent *comp = radio->get_previous_sibling(); if (comp == 0) comp = group.back(); while (comp != radio) { if (comp->is_visible() && comp->is_enabled() && comp->get_component_group_name() == radio->get_component_group_name()) { RadioButton *focus_comp = dynamic_cast<RadioButton*>(comp); if (focus_comp) { Callback_v1<RadioButton*> cb = uncheck_radio_buttons(radio->get_parent_component()); focus_comp->set_selected(true); if (!cb.is_null()) cb.invoke(focus_comp); if (!focus_comp->func_selected().is_null()) focus_comp->func_selected().invoke(); focus_comp->set_focus(); break; } } if (!comp->get_previous_sibling() || comp->get_previous_sibling()->get_component_group_name() != radio->get_component_group_name()) { // reach first item in group, loop around from the last: comp = group.back(); } else comp = comp->get_previous_sibling(); } msg->consumed = true; } else if (e.type == InputEvent::pressed && (e.id == keycode_right || e.id == keycode_down)) { std::vector<GUIComponent*> group = radio->get_parent_component()->get_child_component_group(radio->get_component_group_name()); // find next visible & enabled radiobutton in the same group: GUIComponent *comp = radio->get_next_sibling(); if (comp == 0 || comp->get_component_group_name() != radio->get_component_group_name()) comp = group.front(); while (comp != radio) { if (comp->is_visible() && comp->is_enabled() && comp->get_component_group_name() == radio->get_component_group_name()) { RadioButton *focus_comp = dynamic_cast<RadioButton*>(comp); if (focus_comp) { Callback_v1<RadioButton*> cb = uncheck_radio_buttons(radio->get_parent_component()); focus_comp->set_selected(true); if (!cb.is_null()) cb.invoke(focus_comp); if (!focus_comp->func_selected().is_null()) focus_comp->func_selected().invoke(); focus_comp->set_focus(); break; } } if (!comp->get_previous_sibling() || comp->get_previous_sibling()->get_component_group_name() != radio->get_component_group_name()) { // reach first item in group, loop around from the last: comp = group.back(); } else comp = comp->get_next_sibling(); } msg->consumed = true; } } std::shared_ptr<GUIMessage_Pointer> pointer = std::dynamic_pointer_cast<GUIMessage_Pointer>(msg); if (pointer) { if (pointer->pointer_type == GUIMessage_Pointer::pointer_enter) { part_checker.set_pseudo_class(CssStr::hover, true); radio->request_repaint(); } else { part_checker.set_pseudo_class(CssStr::hover, false); radio->request_repaint(); } } std::shared_ptr<GUIMessage_FocusChange> focus_change_msg = std::dynamic_pointer_cast<GUIMessage_FocusChange>(msg); if (focus_change_msg) { if (focus_change_msg->focus_type == GUIMessage_FocusChange::gained_focus) { radio->set_pseudo_class(CssStr::focused, true); if (!radio->is_selected()) { Callback_v1<RadioButton*> cb = uncheck_radio_buttons(radio->get_parent_component()); radio->set_selected(true); if (!cb.is_null()) cb.invoke(radio); if (!func_selected.is_null()) func_selected.invoke(); } radio->request_repaint(); } else { radio->set_pseudo_class(CssStr::focused, false); radio->request_repaint(); } msg->consumed = true; } }