/* * InterfaceBuilder.cpp, part of VCMI engine * * Authors: listed in file AUTHORS in main folder * * License: GNU General Public License v2.0 or later * Full text of license available in license.txt file, in main folder * */ #include "StdInc.h" #include "InterfaceObjectConfigurable.h" #include "../CGameInfo.h" #include "../CPlayerInterface.h" #include "../gui/CGuiHandler.h" #include "../gui/ShortcutHandler.h" #include "../gui/Shortcut.h" #include "../render/Graphics.h" #include "../render/IFont.h" #include "../widgets/CComponent.h" #include "../widgets/ComboBox.h" #include "../widgets/Buttons.h" #include "../widgets/CTextInput.h" #include "../widgets/GraphicalPrimitiveCanvas.h" #include "../widgets/ObjectLists.h" #include "../widgets/Slider.h" #include "../widgets/TextControls.h" #include "../windows/GUIClasses.h" #include "../windows/InfoWindows.h" #include "../../lib/constants/StringConstants.h" #include "../../lib/json/JsonUtils.h" #include "../../lib/texts/CGeneralTextHandler.h" #include "../../lib/filesystem/ResourcePath.h" InterfaceObjectConfigurable::InterfaceObjectConfigurable(const JsonNode & config, int used, Point offset): InterfaceObjectConfigurable(used, offset) { build(config); } InterfaceObjectConfigurable::InterfaceObjectConfigurable(int used, Point offset): CIntObject(used, offset) { REGISTER_BUILDER("picture", &InterfaceObjectConfigurable::buildPicture); REGISTER_BUILDER("image", &InterfaceObjectConfigurable::buildImage); REGISTER_BUILDER("texture", &InterfaceObjectConfigurable::buildTexture); REGISTER_BUILDER("animation", &InterfaceObjectConfigurable::buildAnimation); REGISTER_BUILDER("label", &InterfaceObjectConfigurable::buildLabel); REGISTER_BUILDER("multiLineLabel", &InterfaceObjectConfigurable::buildMultiLineLabel); REGISTER_BUILDER("toggleGroup", &InterfaceObjectConfigurable::buildToggleGroup); REGISTER_BUILDER("toggleButton", &InterfaceObjectConfigurable::buildToggleButton); REGISTER_BUILDER("button", &InterfaceObjectConfigurable::buildButton); REGISTER_BUILDER("labelGroup", &InterfaceObjectConfigurable::buildLabelGroup); REGISTER_BUILDER("slider", &InterfaceObjectConfigurable::buildSlider); REGISTER_BUILDER("layout", &InterfaceObjectConfigurable::buildLayout); REGISTER_BUILDER("comboBox", &InterfaceObjectConfigurable::buildComboBox); REGISTER_BUILDER("textInput", &InterfaceObjectConfigurable::buildTextInput); REGISTER_BUILDER("graphicalPrimitive", &InterfaceObjectConfigurable::buildGraphicalPrimitive); REGISTER_BUILDER("transparentFilledRectangle", &InterfaceObjectConfigurable::buildTransparentFilledRectangle); REGISTER_BUILDER("textBox", &InterfaceObjectConfigurable::buildTextBox); } void InterfaceObjectConfigurable::registerBuilder(const std::string & type, BuilderFunction f) { builders[type] = f; } void InterfaceObjectConfigurable::addCallback(const std::string & callbackName, std::function callback) { callbacks_int[callbackName] = callback; } void InterfaceObjectConfigurable::addCallback(const std::string & callbackName, std::function callback) { callbacks_string[callbackName] = callback; } void InterfaceObjectConfigurable::deleteWidget(const std::string & name) { auto iter = widgets.find(name); if(iter != widgets.end()) widgets.erase(iter); } void InterfaceObjectConfigurable::loadCustomBuilders(const JsonNode & config) { for(auto & item : config.Struct()) { std::string typeName = item.first; JsonNode baseConfig = item.second; auto const & functor = [this, baseConfig](const JsonNode & widgetConfig) -> std::shared_ptr { JsonNode actualConfig = widgetConfig; JsonUtils::mergeCopy(actualConfig, baseConfig); return this->buildWidget(actualConfig); }; registerBuilder(typeName, functor); } } void InterfaceObjectConfigurable::build(const JsonNode &config) { OBJECT_CONSTRUCTION; logGlobal->debug("Building configurable interface object"); auto * items = &config; if(config.getType() == JsonNode::JsonType::DATA_STRUCT) { if (!config["library"].isNull()) { if (config["library"].isString()) { const JsonNode library(JsonPath::fromJson(config["library"])); loadCustomBuilders(library); } if (config["library"].isVector()) { for (auto const & entry : config["library"].Vector()) { const JsonNode library(JsonPath::fromJson(entry)); loadCustomBuilders(library); } } } loadCustomBuilders(config["customTypes"]); for(auto & item : config["variables"].Struct()) { logGlobal->debug("Read variable named %s", item.first); variables[item.first] = item.second; } items = &config["items"]; } for(const auto & item : items->Vector()) addWidget(item["name"].String(), buildWidget(item)); // load only if set if (!config["width"].isNull()) pos.w = config["width"].Integer(); if (!config["height"].isNull()) pos.h = config["height"].Integer(); } void InterfaceObjectConfigurable::addConditional(const std::string & name, bool active) { conditionals[name] = active; } void InterfaceObjectConfigurable::addWidget(const std::string & namePreferred, std::shared_ptr widget) { static const std::string unnamedObjectPrefix = "__widget_"; std::string nameActual; if (widgets.count(namePreferred) == 0) nameActual = namePreferred; else logGlobal->error("Duplicated widget name: '%s'", namePreferred); if (nameActual.empty()) nameActual = unnamedObjectPrefix + std::to_string(unnamedObjectId++); logGlobal->debug("Building widget with name %s", nameActual); widgets[nameActual] = widget; } std::string InterfaceObjectConfigurable::readText(const JsonNode & config) const { if(config.isNull()) return ""; std::string s = config.String(); if(s.empty()) return s; logGlobal->debug("Reading text from translations by key: %s", s); return CGI->generaltexth->translate(s); } Point InterfaceObjectConfigurable::readPosition(const JsonNode & config) const { Point p; logGlobal->debug("Reading point"); p.x = config["x"].Integer(); p.y = config["y"].Integer(); return p; } Rect InterfaceObjectConfigurable::readRect(const JsonNode & config) const { Rect p; logGlobal->debug("Reading rect"); p.x = config["x"].Integer(); p.y = config["y"].Integer(); p.w = config["w"].Integer(); p.h = config["h"].Integer(); return p; } ETextAlignment InterfaceObjectConfigurable::readTextAlignment(const JsonNode & config) const { logGlobal->debug("Reading text alignment"); if(!config.isNull()) { if(config.String() == "center") return ETextAlignment::CENTER; if(config.String() == "left") return ETextAlignment::TOPLEFT; if(config.String() == "right") return ETextAlignment::BOTTOMRIGHT; } logGlobal->debug("Unknown text alignment attribute"); return ETextAlignment::CENTER; } ColorRGBA InterfaceObjectConfigurable::readColor(const JsonNode & config) const { logGlobal->debug("Reading color"); if(!config.isNull()) { if(config.isString()) { if(config.String() == "yellow") return Colors::YELLOW; if(config.String() == "white") return Colors::WHITE; if(config.String() == "gold") return Colors::METALLIC_GOLD; if(config.String() == "green") return Colors::GREEN; if(config.String() == "orange") return Colors::ORANGE; if(config.String() == "bright-yellow") return Colors::BRIGHT_YELLOW; } if(config.isVector()) { const auto & asVector = config.Vector(); if(asVector.size() == 4) return ColorRGBA(asVector[0].Integer(), asVector[1].Integer(), asVector[2].Integer(), asVector[3].Integer()); if(asVector.size() == 3) return ColorRGBA(asVector[0].Integer(), asVector[1].Integer(), asVector[2].Integer()); } } logGlobal->debug("Unknown color attribute"); return Colors::DEFAULT_KEY_COLOR; } PlayerColor InterfaceObjectConfigurable::readPlayerColor(const JsonNode & config) const { logGlobal->debug("Reading PlayerColor"); if(!config.isNull() && config.isString()) return PlayerColor(PlayerColor::decode(config.String())); logGlobal->debug("Unknown PlayerColor attribute"); return PlayerColor::CANNOT_DETERMINE; } EFonts InterfaceObjectConfigurable::readFont(const JsonNode & config) const { logGlobal->debug("Reading font"); if(!config.isNull()) { if(config.String() == "big") return EFonts::FONT_BIG; if(config.String() == "medium") return EFonts::FONT_MEDIUM; if(config.String() == "small") return EFonts::FONT_SMALL; if(config.String() == "tiny") return EFonts::FONT_TINY; if(config.String() == "calisto") return EFonts::FONT_CALLI; } logGlobal->debug("Unknown font attribute"); return EFonts::FONT_TIMES; } std::pair InterfaceObjectConfigurable::readHintText(const JsonNode & config) const { logGlobal->debug("Reading hint text"); std::pair result; if(!config.isNull()) { if(config.getType() == JsonNode::JsonType::DATA_STRUCT) { result.first = readText(config["hover"]); result.second = readText(config["help"]); return result; } if(config.getType() == JsonNode::JsonType::DATA_STRING) { logGlobal->debug("Reading hint text (help) from generaltext handler:%sd", config.String()); result.first = CGI->generaltexth->translate( config.String(), "hover"); result.second = CGI->generaltexth->translate( config.String(), "help"); } } return result; } EShortcut InterfaceObjectConfigurable::readHotkey(const JsonNode & config) const { logGlobal->debug("Reading hotkey"); if(config.getType() != JsonNode::JsonType::DATA_STRING) { logGlobal->error("Invalid hotket format in interface configuration! Expected string!", config.String()); return EShortcut::NONE; } EShortcut result = GH.shortcuts().findShortcut(config.String()); if (result == EShortcut::NONE) logGlobal->error("Invalid hotkey '%s' in interface configuration!", config.String()); return result; } std::shared_ptr InterfaceObjectConfigurable::buildPicture(const JsonNode & config) const { logGlobal->debug("Building widget CPicture"); auto image = ImagePath::fromJson(config["image"]); auto position = readPosition(config["position"]); auto pic = std::make_shared(image, position.x, position.y); if ( config["playerColored"].Bool() && LOCPLINT) pic->setPlayerColor(LOCPLINT->playerID); return pic; } std::shared_ptr InterfaceObjectConfigurable::buildLabel(const JsonNode & config) const { logGlobal->debug("Building widget CLabel"); auto font = readFont(config["font"]); auto alignment = readTextAlignment(config["alignment"]); auto color = readColor(config["color"]); auto text = readText(config["text"]); auto position = readPosition(config["position"]); auto maxWidth = config["maxWidth"].Integer(); return std::make_shared(position.x, position.y, font, alignment, color, text, maxWidth); } std::shared_ptr InterfaceObjectConfigurable::buildMultiLineLabel(const JsonNode & config) const { logGlobal->debug("Building widget CMultiLineLabel"); auto font = readFont(config["font"]); auto alignment = readTextAlignment(config["alignment"]); auto color = readColor(config["color"]); auto text = readText(config["text"]); Rect rect = readRect(config["rect"]); if(!config["adoptHeight"].isNull() && config["adoptHeight"].Bool()) rect.h = graphics->fonts[font]->getLineHeight() * 2; return std::make_shared(rect, font, alignment, color, text); } std::shared_ptr InterfaceObjectConfigurable::buildToggleGroup(const JsonNode & config) const { logGlobal->debug("Building widget CToggleGroup"); auto position = readPosition(config["position"]); auto group = std::make_shared(0); group->pos += position; if(!config["items"].isNull()) { OBJECT_CONSTRUCTION_TARGETED(group.get()); int itemIdx = -1; for(const auto & item : config["items"].Vector()) { itemIdx = item["index"].isNull() ? itemIdx + 1 : item["index"].Integer(); auto newToggle = std::dynamic_pointer_cast(buildWidget(item)); group->addToggle(itemIdx, newToggle); } } if(!config["selected"].isNull()) group->setSelected(config["selected"].Integer()); if(!config["callback"].isNull()) group->addCallback(callbacks_int.at(config["callback"].String())); return group; } std::shared_ptr InterfaceObjectConfigurable::buildToggleButton(const JsonNode & config) const { logGlobal->debug("Building widget CToggleButton"); auto position = readPosition(config["position"]); auto image = AnimationPath::fromJson(config["image"]); auto help = readHintText(config["help"]); auto button = std::make_shared(position, image, help); if(!config["items"].isNull()) { for(const auto & item : config["items"].Vector()) { button->setOverlay(buildWidget(item)); } } if(!config["selected"].isNull()) button->setSelected(config["selected"].Bool()); if(!config["imageOrder"].isNull()) { auto imgOrder = config["imageOrder"].Vector(); assert(imgOrder.size() >= 4); button->setImageOrder(imgOrder[0].Integer(), imgOrder[1].Integer(), imgOrder[2].Integer(), imgOrder[3].Integer()); } loadToggleButtonCallback(button, config["callback"]); return button; } std::shared_ptr InterfaceObjectConfigurable::buildButton(const JsonNode & config) const { logGlobal->debug("Building widget CButton"); auto position = readPosition(config["position"]); auto image = AnimationPath::fromJson(config["image"]); auto help = readHintText(config["help"]); auto button = std::make_shared(position, image, help); if(!config["items"].isNull()) { for(const auto & item : config["items"].Vector()) { button->setOverlay(buildWidget(item)); } } if(!config["imageOrder"].isNull()) { auto imgOrder = config["imageOrder"].Vector(); assert(imgOrder.size() >= 4); button->setImageOrder(imgOrder[0].Integer(), imgOrder[1].Integer(), imgOrder[2].Integer(), imgOrder[3].Integer()); } loadButtonBorderColor(button, config["borderColor"]); loadButtonCallback(button, config["callback"]); loadButtonHotkey(button, config["hotkey"]); return button; } void InterfaceObjectConfigurable::loadButtonBorderColor(std::shared_ptr button, const JsonNode & config) const { if (config.isNull()) return; auto color = readColor(config); button->setBorderColor(color); } void InterfaceObjectConfigurable::loadToggleButtonCallback(std::shared_ptr button, const JsonNode & config) const { if(config.isNull()) return; std::string callbackName = config.String(); if (callbacks_int.count(callbackName) > 0) button->addCallback(callbacks_int.at(callbackName)); else logGlobal->error("Invalid callback '%s' in widget", callbackName ); } void InterfaceObjectConfigurable::loadButtonCallback(std::shared_ptr button, const JsonNode & config) const { if(config.isNull()) return; std::string callbackName = config.String(); if (callbacks_int.count(callbackName) > 0) button->addCallback(std::bind(callbacks_int.at(callbackName), 0)); else logGlobal->error("Invalid callback '%s' in widget", callbackName ); } void InterfaceObjectConfigurable::loadButtonHotkey(std::shared_ptr button, const JsonNode & config) const { if(config.isNull()) return; if(config.getType() != JsonNode::JsonType::DATA_STRING) { logGlobal->error("Invalid shortcut format - string expected!"); return; } button->assignedKey = readHotkey(config); auto target = shortcuts.find(button->assignedKey); if (target == shortcuts.end()) return; button->addCallback(target->second.callback); target->second.assignedButtons.push_back(button); } std::shared_ptr InterfaceObjectConfigurable::buildLabelGroup(const JsonNode & config) const { logGlobal->debug("Building widget CLabelGroup"); auto font = readFont(config["font"]); auto alignment = readTextAlignment(config["alignment"]); auto color = readColor(config["color"]); auto group = std::make_shared(font, alignment, color); if(!config["items"].isNull()) { for(const auto & item : config["items"].Vector()) { auto position = readPosition(item["position"]); auto text = readText(item["text"]); group->add(position.x, position.y, text); } } return group; } std::shared_ptr InterfaceObjectConfigurable::buildSlider(const JsonNode & config) const { logGlobal->debug("Building widget CSlider"); auto position = readPosition(config["position"]); int length = config["size"].Integer(); auto style = config["style"].String() == "brown" ? CSlider::BROWN : CSlider::BLUE; auto value = config["selected"].Integer(); bool horizontal = config["orientation"].String() == "horizontal"; auto orientation = horizontal ? Orientation::HORIZONTAL : Orientation::VERTICAL; std::shared_ptr result; if (config["items"].isNull()) { auto itemsVisible = config["itemsVisible"].Integer(); auto itemsTotal = config["itemsTotal"].Integer(); result = std::make_shared(position, length, callbacks_int.at(config["callback"].String()), itemsVisible, itemsTotal, value, orientation, style); } else { auto items = config["items"].convertTo>(); result = std::make_shared(position, length, callbacks_int.at(config["callback"].String()), items, value, orientation, style); } if(!config["scrollBounds"].isNull()) { Rect bounds = readRect(config["scrollBounds"]); result->setScrollBounds(bounds); } if(!config["panningStep"].isNull()) result->setPanningStep(config["panningStep"].Integer()); return result; } std::shared_ptr InterfaceObjectConfigurable::buildImage(const JsonNode & config) const { logGlobal->debug("Building widget CAnimImage"); auto position = readPosition(config["position"]); auto image = AnimationPath::fromJson(config["image"]); int group = config["group"].isNull() ? 0 : config["group"].Integer(); int frame = config["frame"].isNull() ? 0 : config["frame"].Integer(); return std::make_shared(image, frame, group, position.x, position.y); } std::shared_ptr InterfaceObjectConfigurable::buildTexture(const JsonNode & config) const { logGlobal->debug("Building widget CFilledTexture"); auto image = ImagePath::fromJson(config["image"]); auto rect = readRect(config["rect"]); auto playerColor = readPlayerColor(config["color"]); if(playerColor.isValidPlayer()) { auto result = std::make_shared(image, rect); result->setPlayerColor(playerColor); return result; } return std::make_shared(image, rect); } std::shared_ptr InterfaceObjectConfigurable::buildComboBox(const JsonNode & config) { logGlobal->debug("Building widget ComboBox"); auto position = readPosition(config["position"]); auto dropDownPosition = readPosition(config["dropDownPosition"]); auto image = AnimationPath::fromJson(config["image"]); auto help = readHintText(config["help"]); auto result = std::make_shared(position, image, help, config["dropDown"], dropDownPosition); if(!config["items"].isNull()) { for(const auto & item : config["items"].Vector()) { result->setOverlay(buildWidget(item)); } } if(!config["imageOrder"].isNull()) { auto imgOrder = config["imageOrder"].Vector(); assert(imgOrder.size() >= 4); result->setImageOrder(imgOrder[0].Integer(), imgOrder[1].Integer(), imgOrder[2].Integer(), imgOrder[3].Integer()); } loadButtonBorderColor(result, config["borderColor"]); loadButtonHotkey(result, config["hotkey"]); return result; } std::shared_ptr InterfaceObjectConfigurable::buildTextInput(const JsonNode & config) const { logGlobal->debug("Building widget CTextInput"); auto rect = readRect(config["rect"]); auto offset = readPosition(config["backgroundOffset"]); auto bgName = ImagePath::fromJson(config["background"]); auto result = std::make_shared(rect, offset, bgName); if(!config["alignment"].isNull()) result->setAlignment(readTextAlignment(config["alignment"])); if(!config["font"].isNull()) result->setFont(readFont(config["font"])); if(!config["color"].isNull()) result->setColor(readColor(config["color"])); if(!config["text"].isNull() && config["text"].isString()) result->setText(config["text"].String()); //for input field raw string is taken if(!config["callback"].isNull()) result->setCallback(callbacks_string.at(config["callback"].String())); return result; } /// Small helper class that provides ownership for shared_ptr's of child elements class InterfaceLayoutWidget : public CIntObject { public: std::vector> ownedChildren; InterfaceLayoutWidget(); }; InterfaceLayoutWidget::InterfaceLayoutWidget() :CIntObject() { setRedrawParent(true); } std::shared_ptr InterfaceObjectConfigurable::buildLayout(const JsonNode & config) { logGlobal->debug("Building widget Layout"); bool vertical = config["vertical"].Bool(); bool horizontal = config["horizontal"].Bool(); bool dynamic = config["dynamic"].Bool(); int distance = config["distance"].Integer(); std::string customType = config["customType"].String(); auto position = readPosition(config["position"]); auto result = std::make_shared(); result->moveBy(position); Point layoutPosition; for(auto item : config["items"].Vector()) { if (item["type"].String().empty()) item["type"].String() = customType; if (!item["created"].isNull()) { std::string name = item["created"].String(); if (conditionals.count(name) != 0) { if (!conditionals.at(name)) continue; } else { logMod->warn("Unknown condition %s in widget!", name); } } auto widget = buildWidget(item); addWidget(item["name"].String(), widget); result->ownedChildren.push_back(widget); result->addChild(widget.get(), false); widget->moveBy(position + layoutPosition); if (dynamic && vertical) layoutPosition.y += widget->pos.h; if (dynamic && horizontal) layoutPosition.x += widget->pos.w; if (vertical) layoutPosition.y += distance; if (horizontal) layoutPosition.x += distance; } return result; } std::shared_ptr InterfaceObjectConfigurable::buildAnimation(const JsonNode & config) const { logGlobal->debug("Building widget CShowableAnim"); auto position = readPosition(config["position"]); auto image = AnimationPath::fromJson(config["image"]); ui8 flags = 0; if(!config["repeat"].Bool()) flags |= CShowableAnim::EFlags::PLAY_ONCE; int group = config["group"].isNull() ? 0 : config["group"].Integer(); auto anim = std::make_shared(position.x, position.y, image, flags, 4, group); if(!config["alpha"].isNull()) anim->setAlpha(config["alpha"].Integer()); if(!config["callback"].isNull()) anim->callback = std::bind(callbacks_int.at(config["callback"].String()), 0); if(!config["frames"].isNull()) { auto b = config["frames"]["start"].Integer(); auto e = config["frames"]["end"].Integer(); anim->set(group, b, e); } return anim; } std::shared_ptr InterfaceObjectConfigurable::buildGraphicalPrimitive(const JsonNode & config) const { logGlobal->debug("Building widget GraphicalPrimitiveCanvas"); auto rect = readRect(config["rect"]); auto widget = std::make_shared(rect); for (auto const & entry : config["primitives"].Vector()) { auto color = readColor(entry["color"]); auto typeString = entry["type"].String(); auto pointA = readPosition(entry["a"]); auto pointB = readPosition(entry["b"]); if (typeString == "line") widget->addLine(pointA, pointB, color); if (typeString == "filledBox") widget->addBox(pointA, pointB, color); if (typeString == "rectangle") widget->addRectangle(pointA, pointB, color); } return widget; } std::shared_ptr InterfaceObjectConfigurable::buildTransparentFilledRectangle(const JsonNode & config) const { logGlobal->debug("Building widget TransparentFilledRectangle"); auto rect = readRect(config["rect"]); auto color = readColor(config["color"]); if(!config["colorLine"].isNull()) { auto colorLine = readColor(config["colorLine"]); return std::make_shared(rect, color, colorLine); } return std::make_shared(rect, color); } std::shared_ptr InterfaceObjectConfigurable::buildTextBox(const JsonNode & config) const { logGlobal->debug("Building widget CTextBox"); auto rect = readRect(config["rect"]); auto font = readFont(config["font"]); auto alignment = readTextAlignment(config["alignment"]); auto color = readColor(config["color"]); auto text = readText(config["text"]); auto blueTheme = config["blueTheme"].Bool(); return std::make_shared(text, rect, blueTheme ? 1 : 0, font, alignment, color); } std::shared_ptr InterfaceObjectConfigurable::buildWidget(JsonNode config) const { assert(!config.isNull()); logGlobal->debug("Building widget from config"); //overrides from variables for(auto & item : config["overrides"].Struct()) { logGlobal->debug("Config attribute %s was overridden by variable %s", item.first, item.second.String()); config[item.first] = variables[item.second.String()]; } auto type = config["type"].String(); auto buildIterator = builders.find(type); if(buildIterator != builders.end()) return (buildIterator->second)(config); logGlobal->error("Builder with type %s is not registered", type); return nullptr; } void InterfaceObjectConfigurable::setShortcutBlocked(EShortcut shortcut, bool isBlocked) { auto target = shortcuts.find(shortcut); if (target == shortcuts.end()) return; target->second.blocked = isBlocked; for (auto & entry : widgets) { auto button = std::dynamic_pointer_cast(entry.second); if (button && button->assignedKey == shortcut) button->block(isBlocked); } } void InterfaceObjectConfigurable::addShortcut(EShortcut shortcut, std::function callback) { assert(shortcuts.count(shortcut) == 0); shortcuts[shortcut].callback = callback; } void InterfaceObjectConfigurable::keyPressed(EShortcut key) { auto target = shortcuts.find(key); if (target == shortcuts.end()) return; for (auto const & button :target->second.assignedButtons) if (button->isActive()) return; // will be handled by button instance if (target->second.blocked) return; target->second.callback(); }