#include "GComboBox.h" #include "GRoot.h" #include "PackageItem.h" #include "UIConfig.h" #include "utils/ByteBuffer.h" #include "utils/ToolSet.h" NS_FGUI_BEGIN USING_NS_CC; GComboBox::GComboBox() : _dropdown(nullptr), _titleObject(nullptr), _iconObject(nullptr), _list(nullptr), _selectionController(nullptr), _itemsUpdated(true), _selectedIndex(-1), popupDirection(PopupDirection::AUTO) { visibleItemCount = UIConfig::defaultComboBoxVisibleItemCount; } GComboBox::~GComboBox() { CC_SAFE_RELEASE(_dropdown); } const std::string& GComboBox::getTitle() const { if (_titleObject != nullptr) return _titleObject->getText(); else return STD_STRING_EMPTY; } void GComboBox::setTitle(const std::string& value) { if (_titleObject != nullptr) _titleObject->setText(value); updateGear(6); } const cocos2d::Color3B GComboBox::getTitleColor() const { GTextField* tf = getTextField(); if (tf) return tf->getColor(); else return Color3B::BLACK; } void GComboBox::setTitleColor(const cocos2d::Color3B& value) { GTextField* tf = getTextField(); if (tf) tf->setColor(value); } int GComboBox::getTitleFontSize() const { GTextField* tf = getTextField(); if (tf) return tf->getFontSize(); else return 0; } void GComboBox::setTitleFontSize(int value) { GTextField* tf = getTextField(); if (tf) tf->setFontSize(value); } const std::string& GComboBox::getIcon() const { if (_iconObject != nullptr) return _iconObject->getIcon(); else return STD_STRING_EMPTY; } void GComboBox::setIcon(const std::string& value) { if (_iconObject != nullptr) _iconObject->setIcon(value); updateGear(7); } const std::string& GComboBox::getValue() const { if (_selectedIndex >= 0 && _selectedIndex < (int)_values.size()) return _values[_selectedIndex]; else return STD_STRING_EMPTY; } void GComboBox::setValue(const std::string& value) { setSelectedIndex(ToolSet::findInStringArray(_values, value)); } void GComboBox::setSelectedIndex(int value) { if (_selectedIndex == value) return; _selectedIndex = value; if (_selectedIndex >= 0 && _selectedIndex < (int)_items.size()) { setText(_items[_selectedIndex]); if (!_icons.empty() && _selectedIndex != -1 && _selectedIndex < (int)_icons.size()) setIcon(_icons[_selectedIndex]); } else { setTitle(STD_STRING_EMPTY); if (!_icons.empty()) setIcon(STD_STRING_EMPTY); } updateSelectionController(); } void GComboBox::refresh() { if (!_items.empty()) { if (_selectedIndex >= (int)_items.size()) _selectedIndex = (int)_items.size() - 1; else if (_selectedIndex == -1) _selectedIndex = 0; setTitle(_items[_selectedIndex]); } else { setTitle(STD_STRING_EMPTY); _selectedIndex = -1; } if (!_icons.empty()) { if (_selectedIndex != -1 && _selectedIndex < (int)_icons.size()) setIcon(_icons[_selectedIndex]); else setIcon(STD_STRING_EMPTY); } _itemsUpdated = true; } void GComboBox::setState(const std::string& value) { if (_buttonController != nullptr) _buttonController->setSelectedPage(value); } void GComboBox::setCurrentState() { if (isGrayed() && _buttonController != nullptr && _buttonController->hasPage(GButton::DISABLED)) setState(GButton::DISABLED); else if (_dropdown != nullptr && _dropdown->getParent() != nullptr) setState(GButton::DOWN); else setState(_over ? GButton::OVER : GButton::UP); } void GComboBox::updateSelectionController() { if (_selectionController != nullptr && !_selectionController->changing && _selectedIndex < _selectionController->getPageCount()) { GController* c = _selectionController; _selectionController = nullptr; c->setSelectedIndex(_selectedIndex); _selectionController = c; } } void GComboBox::updateDropdownList() { if (_itemsUpdated) { _itemsUpdated = false; renderDropdownList(); _list->resizeToFit(visibleItemCount); } } void GComboBox::showDropdown() { updateDropdownList(); if (_list->getSelectionMode() == ListSelectionMode::SINGLE) _list->setSelectedIndex(-1); _dropdown->setWidth(_size.width); _list->ensureBoundsCorrect(); UIRoot->togglePopup(_dropdown, this, popupDirection); if (_dropdown->getParent() != nullptr) setState(GButton::DOWN); } void GComboBox::renderDropdownList() { _list->removeChildrenToPool(); size_t cnt = _items.size(); for (size_t i = 0; i < cnt; i++) { GObject* item = _list->addItemFromPool(); item->setText(_items[i]); item->setIcon((!_icons.empty() && i < _icons.size()) ? _icons[i] : STD_STRING_EMPTY); item->name = i < _values.size() ? _values[i] : STD_STRING_EMPTY; } } void GComboBox::handleControllerChanged(GController* c) { GComponent::handleControllerChanged(c); if (_selectionController == c) setSelectedIndex(c->getSelectedIndex()); } void GComboBox::handleGrayedChanged() { if (_buttonController != nullptr && _buttonController->hasPage(GButton::DISABLED)) { if (isGrayed()) setState(GButton::DISABLED); else setState(GButton::UP); } else GComponent::handleGrayedChanged(); } GTextField* GComboBox::getTextField() const { if (dynamic_cast<GTextField*>(_titleObject)) return dynamic_cast<GTextField*>(_titleObject); else if (dynamic_cast<GLabel*>(_titleObject)) return dynamic_cast<GLabel*>(_titleObject)->getTextField(); else if (dynamic_cast<GButton*>(_titleObject)) return dynamic_cast<GButton*>(_titleObject)->getTextField(); else return nullptr; } cocos2d::Value GComboBox::getProp(ObjectPropID propId) { switch (propId) { case ObjectPropID::Color: return Value(ToolSet::colorToInt(getTitleColor())); case ObjectPropID::OutlineColor: { GTextField* tf = getTextField(); if (tf != nullptr) return Value(ToolSet::colorToInt(tf->getOutlineColor())); else return Value::Null; } case ObjectPropID::FontSize: return Value(getTitleFontSize()); default: return GComponent::getProp(propId); } } void GComboBox::setProp(ObjectPropID propId, const cocos2d::Value& value) { switch (propId) { case ObjectPropID::Color: setTitleColor(ToolSet::intToColor(value.asUnsignedInt())); break; case ObjectPropID::OutlineColor: { GTextField* tf = getTextField(); if (tf != nullptr) tf->setOutlineColor(ToolSet::intToColor(value.asUnsignedInt())); break; } case ObjectPropID::FontSize: setTitleFontSize(value.asInt()); break; default: GComponent::setProp(propId, value); break; } } void GComboBox::constructExtension(ByteBuffer* buffer) { buffer->seek(0, 6); _buttonController = getController("button"); _titleObject = getChild("title"); _iconObject = getChild("icon"); const std::string& dropdown = buffer->readS(); if (!dropdown.empty()) { _dropdown = dynamic_cast<GComponent*>(UIPackage::createObjectFromURL(dropdown)); CCASSERT(_dropdown != nullptr, "FairyGUI: should be a component."); _dropdown->retain(); _list = dynamic_cast<GList*>(_dropdown->getChild("list")); CCASSERT(_list != nullptr, "FairyGUI: should container a list component named list."); _list->addEventListener(UIEventType::ClickItem, CC_CALLBACK_1(GComboBox::onClickItem, this)); _list->addRelation(_dropdown, RelationType::Width); _list->removeRelation(_dropdown, RelationType::Height); _dropdown->addRelation(_list, RelationType::Height); _dropdown->removeRelation(_list, RelationType::Width); _dropdown->addEventListener(UIEventType::Exit, CC_CALLBACK_1(GComboBox::onPopupWinClosed, this)); } addEventListener(UIEventType::RollOver, CC_CALLBACK_1(GComboBox::onRollover, this)); addEventListener(UIEventType::RollOut, CC_CALLBACK_1(GComboBox::onRollout, this)); addEventListener(UIEventType::TouchBegin, CC_CALLBACK_1(GComboBox::onTouchBegin, this)); addEventListener(UIEventType::TouchEnd, CC_CALLBACK_1(GComboBox::onTouchEnd, this)); } void GComboBox::setup_afterAdd(ByteBuffer* buffer, int beginPos) { GComponent::setup_afterAdd(buffer, beginPos); if (!buffer->seek(beginPos, 6)) return; if ((ObjectType)buffer->readByte() != _packageItem->objectType) return; const std::string* str; bool hasIcon = false; int itemCount = buffer->readShort(); for (int i = 0; i < itemCount; i++) { int nextPos = buffer->readShort(); nextPos += buffer->getPos(); _items.push_back(buffer->readS()); _values.push_back(buffer->readS()); if ((str = buffer->readSP())) { if (!hasIcon) { for (int j = 0; j < (int)_items.size() - 1; j++) _icons.push_back(STD_STRING_EMPTY); } _icons.push_back(*str); } buffer->setPos(nextPos); } if ((str = buffer->readSP())) { setTitle(*str); _selectedIndex = ToolSet::findInStringArray(_items, *str); } else if (!_items.empty()) { _selectedIndex = 0; setTitle(_items[0]); } else _selectedIndex = -1; if ((str = buffer->readSP())) setIcon(*str); if (buffer->readBool()) setTitleColor((Color3B)buffer->readColor()); int iv = buffer->readInt(); if (iv > 0) visibleItemCount = iv; popupDirection = (PopupDirection)buffer->readByte(); iv = buffer->readShort(); if (iv >= 0) _selectionController = _parent->getControllerAt(iv); } void GComboBox::onClickItem(EventContext* context) { if (dynamic_cast<GRoot*>(_dropdown->getParent())) ((GRoot*)_dropdown->getParent())->hidePopup(_dropdown); _selectedIndex = INT_MIN; setSelectedIndex(_list->getChildIndex((GObject*)context->getData())); dispatchEvent(UIEventType::Changed); } void GComboBox::onRollover(EventContext* context) { _over = true; if (_down || (_dropdown != nullptr && _dropdown->getParent() != nullptr)) return; setCurrentState(); } void GComboBox::onRollout(EventContext* context) { _over = false; if (_down || (_dropdown != nullptr && _dropdown->getParent() != nullptr)) return; setCurrentState(); } void GComboBox::onTouchBegin(EventContext* context) { if (context->getInput()->getButton() != EventMouse::MouseButton::BUTTON_LEFT) return; if (dynamic_cast<GTextInput*>(context->getInput()->getTarget())) return; _down = true; if (_dropdown != nullptr) showDropdown(); context->captureTouch(); } void GComboBox::onTouchEnd(EventContext* context) { if (context->getInput()->getButton() != EventMouse::MouseButton::BUTTON_LEFT) return; if (_down) { _down = false; if (_dropdown != nullptr && _dropdown->getParent() != nullptr) setCurrentState(); } } void GComboBox::onPopupWinClosed(EventContext* context) { setCurrentState(); } NS_FGUI_END