MyGUI_MenuControl.cpp

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */
 
#include "MyGUI_Precompiled.h"
#include "MyGUI_MenuControl.h"
#include "MyGUI_ResourceSkin.h"
#include "MyGUI_MenuItem.h"
#include "MyGUI_ImageBox.h"
#include "MyGUI_MenuBar.h"
#include "MyGUI_WidgetManager.h"
#include "MyGUI_LayerManager.h"
#include "MyGUI_ControllerManager.h"
#include "MyGUI_InputManager.h"
#include "MyGUI_Gui.h"
#include "MyGUI_RenderManager.h"
 
namespace MyGUI
{
 
    const float POPUP_MENU_SPEED_COEF = 3.0f;
 
    void MenuControl::initialiseOverride()
    {
        Base::initialiseOverride();
 
        // инициализируем овнера
        Widget* parent = getParent();
        if (parent)
        {
            mOwner = parent->castType<MenuItem>(false);
            if (!mOwner)
            {
                Widget* client = parent;
                parent = client->getParent();
                if (parent && parent->getClientWidget())
                {
                    mOwner = parent->castType<MenuItem>(false);
                }
            }
        }
 
        // FIXME нам нужен фокус клавы
        setNeedKeyFocus(true);
 
        //OBSOLETE
        if (isUserString("SkinLine"))
        {
            mItemNormalSkin = getUserString("SkinLine");
            mItemPopupSkin = mItemNormalSkin;
        }
 
        if (isUserString("SeparatorSkin"))
            mItemSeparatorSkin = getUserString("SeparatorSkin");
 
        if (isUserString("NormalSkin"))
            mItemNormalSkin = getUserString("NormalSkin");
 
        if (isUserString("PopupSkin"))
            mItemPopupSkin = getUserString("PopupSkin");
 
        if (isUserString("DistanceButton"))
            mDistanceButton = utility::parseValue<int>(getUserString("DistanceButton"));
 
        if (isUserString("SubMenuSkin"))
            mSubMenuSkin = getUserString("SubMenuSkin");
 
        if (isUserString("SubMenuLayer"))
            mSubMenuLayer = getUserString("SubMenuLayer");
 
        // FIXME добавленно, так как шетдаун вызывается и при смене скина
        mShutdown = false;
    }
 
    void MenuControl::shutdownOverride()
    {
        mShutdown = true;
 
        if (mOwner != nullptr)
            mOwner->getMenuCtrlParent()->_notifyDeletePopup(mOwner);
 
        Base::shutdownOverride();
    }
 
    void MenuControl::onWidgetCreated(Widget* _widget)
    {
        Base::onWidgetCreated(_widget);
 
        MenuItem* child = _widget->castType<MenuItem>(false);
        if (child != nullptr && !mInternalCreateChild)
        {
            _wrapItem(child, mItemsInfo.size(), UString(), MenuItemType::Normal, std::string_view{}, Any::Null);
        }
    }
 
    MenuItem* MenuControl::insertItemAt(
        size_t _index,
        const UString& _name,
        MenuItemType _type,
        std::string_view _id,
        Any _data)
    {
        MYGUI_ASSERT_RANGE_INSERT(_index, mItemsInfo.size(), "MenuControl::insertItemAt");
        if (_index == ITEM_NONE)
            _index = mItemsInfo.size();
 
        mInternalCreateChild = true;
        MenuItem* item = _getClientWidget()->createWidget<MenuItem>(getSkinByType(_type), IntCoord(), Align::Default);
        mInternalCreateChild = false;
        _wrapItem(item, _index, _name, _type, _id, _data);
 
        return item;
    }
 
    void MenuControl::removeItemAt(size_t _index)
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::removeItemAt");
 
        if (mItemsInfo[_index].submenu)
        {
            WidgetManager::getInstance().destroyWidget(mItemsInfo[_index].submenu);
            mItemsInfo[_index].submenu = nullptr;
        }
        WidgetManager::getInstance().destroyWidget(mItemsInfo[_index].item);
    }
 
    void MenuControl::removeAllItems()
    {
        while (!mItemsInfo.empty())
        {
            if (mItemsInfo.back().submenu)
            {
                WidgetManager::getInstance().destroyWidget(mItemsInfo.back().submenu);
                mItemsInfo.back().submenu = nullptr;
            }
            WidgetManager::getInstance().destroyWidget(mItemsInfo.back().item);
        }
    }
 
    const UString& MenuControl::getItemNameAt(size_t _index) const
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::getItemNameAt");
        return mItemsInfo[_index].name;
    }
 
    void MenuControl::update()
    {
        IntSize size;
 
        if (mVerticalAlignment)
        {
            for (auto& iter : mItemsInfo)
            {
                IntSize contentSize = iter.item->_getContentSize();
                iter.item->setCoord(0, size.height, _getClientWidget()->getWidth(), contentSize.height);
                size.height += contentSize.height + mDistanceButton;
 
                if (contentSize.width > size.width)
                    size.width = contentSize.width;
            }
            if (!mItemsInfo.empty())
                size.height -= mDistanceButton;
        }
        else
        {
            int maxHeight = 0;
            for (const auto& iter : mItemsInfo)
            {
                IntSize contentSize = iter.item->_getContentSize();
                if (maxHeight < contentSize.height)
                    maxHeight = contentSize.height;
            }
 
            for (auto& iter : mItemsInfo)
            {
                IntSize contentSize = iter.item->_getContentSize();
                iter.item->setCoord(size.width, 0, contentSize.width, maxHeight);
                size.width += contentSize.width + mDistanceButton;
            }
 
            if (!mItemsInfo.empty())
                size.width -= mDistanceButton;
        }
 
        if (mResizeToContent)
            setSize(size + mCoord.size() - _getClientWidget()->getSize());
    }
 
    void MenuControl::setItemDataAt(size_t _index, Any _data)
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::setItemDataAt");
        mItemsInfo[_index].data = std::move(_data);
    }
 
    MenuControl* MenuControl::getItemChildAt(size_t _index) const
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::getItemChildAt");
        return mItemsInfo[_index].submenu;
    }
 
    void MenuControl::removeItemChildAt(size_t _index)
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::removeItemChildAt");
 
        if (mItemsInfo[_index].submenu != nullptr)
        {
            WidgetManager::getInstance().destroyWidget(mItemsInfo[_index].submenu);
            mItemsInfo[_index].submenu = nullptr;
        }
 
        update();
    }
 
    void MenuControl::setItemNameAt(size_t _index, const UString& _name)
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::setItemNameAt");
 
        mItemsInfo[_index].name = _name;
        MenuItem* item = mItemsInfo[_index].item;
        item->setCaption(_name);
 
        update();
    }
 
    void MenuControl::setItemIdAt(size_t _index, std::string_view _id)
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::setItemIdAt");
        mItemsInfo[_index].id = _id;
    }
 
    const std::string& MenuControl::getItemIdAt(size_t _index) const
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::getItemIdAt");
        return mItemsInfo[_index].id;
    }
 
    void MenuControl::_notifyDeleteItem(MenuItem* _item)
    {
        // дитю меняем скин
        if (mChangeChildSkin)
            return;
 
        // общий шутдаун виджета
        if (mShutdown)
            return;
 
        size_t index = getItemIndex(_item);
        mItemsInfo.erase(mItemsInfo.begin() + index);
        update();
    }
 
    void MenuControl::_notifyDeletePopup(MenuItem* _item)
    {
        size_t index = getItemIndex(_item);
        mItemsInfo[index].submenu = nullptr;
    }
 
    void MenuControl::_notifyUpdateName(MenuItem* _item)
    {
        size_t index = getItemIndex(_item);
        mItemsInfo[index].name = _item->getCaption();
 
        ISubWidgetText* text = _item->getSubWidgetText();
        mItemsInfo[index].width = text ? (text->getTextSize().width + _item->getSize().width - text->getWidth()) : 0;
        update();
    }
 
    MenuItemType MenuControl::getItemTypeAt(size_t _index) const
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::getItemTypeAt");
        return mItemsInfo[_index].type;
    }
 
    void MenuControl::setItemTypeAt(size_t _index, MenuItemType _type)
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::setItemTypeAt");
        ItemInfo& info = mItemsInfo[_index];
        if (info.type == _type)
            return;
 
        // сохраняем данные
        info.type = _type;
 
        // при смене скина дите отпишется
        mChangeChildSkin = true;
        info.item->changeWidgetSkin(getSkinByType(_type));
        mChangeChildSkin = false;
 
        info.item->setImageName(getIconIndexByType(_type));
        info.item->setCaption(info.name);
 
        update();
    }
 
    void MenuControl::notifyMenuCtrlAccept(MenuItem* _item)
    {
        if (mHideByAccept)
        {
            setVisibleSmooth(false);
        }
        else
        {
            InputManager::getInstance().setKeyFocusWidget(nullptr);
        }
 
        MenuItem* parent_item = getMenuItemParent();
        if (parent_item)
        {
            MenuControl* parent_ctrl = parent_item->getMenuCtrlParent();
            if (parent_ctrl)
            {
                parent_ctrl->notifyMenuCtrlAccept(_item);
            }
        }
 
        eventMenuCtrlAccept(this, _item);
    }
 
    void MenuControl::setItemChildVisibleAt(size_t _index, bool _visible)
    {
        _setItemChildVisibleAt(_index, _visible, true);
    }
 
    void MenuControl::_setItemChildVisibleAt(size_t _index, bool _visible, bool _smooth)
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::setItemChildVisibleAt");
 
        if (_visible)
        {
            if (mItemsInfo[_index].submenu && mItemsInfo[_index].submenu->getItemCount())
            {
                int offset = mItemsInfo[0].item->getAbsoluteTop() - getAbsoluteTop();
 
                const IntCoord& coord = mItemsInfo[_index].item->getAbsoluteCoord();
                IntPoint point(getAbsoluteRect().right, coord.top - offset);
 
                MenuControl* menu = mItemsInfo[_index].submenu;
 
                if (mVerticalAlignment)
                {
                    // too wide
                    if (point.left + menu->getWidth() > menu->getParentSize().width)
                    {
                        // move to the left side if possible
                        if (point.left - menu->getWidth() - getWidth() > 0)
                            point.left -= menu->getWidth() + getWidth();
                        // or put near right parent border (window) if too wide for left side too
                        else
                            point.left = menu->getParentSize().width - menu->getWidth();
                    }
                    // too high (same logic as for too wide)
                    if (point.top + menu->getHeight() > menu->getParentSize().height)
                    {
                        // move to the top side if possible
                        if (point.top - menu->getHeight() - getHeight() > 0)
                            point.top -= menu->getHeight() + getHeight();
                        // or put near bottom parent border (window) if too high for top side too
                        else
                            point.top = menu->getParentSize().height - menu->getHeight();
                    }
                }
                else
                {
                    point.set(coord.left, getAbsoluteRect().bottom);
                }
 
                menu->setPosition(point);
                if (_smooth)
                    menu->setVisibleSmooth(true);
                else
                    menu->setVisible(true);
 
                MyGUI::LayerManager::getInstance().upLayerItem(menu);
            }
        }
        else
        {
            if (mItemsInfo[_index].submenu)
            {
                if (_smooth)
                    mItemsInfo[_index].submenu->setVisibleSmooth(false);
                else
                    mItemsInfo[_index].submenu->setVisible(false);
            }
        }
    }
 
    void MenuControl::notifyRootKeyChangeFocus(Widget* _sender, bool _focus) const
    {
        MenuItem* item = _sender->castType<MenuItem>();
        if (item->getItemType() == MenuItemType::Popup)
        {
            if (_focus)
            {
                if (!mMenuDropMode || mIsMenuDrop)
                {
                    item->setItemChildVisible(true);
                    item->setStateSelected(true);
                }
            }
            else
            {
                item->setItemChildVisible(false);
                item->setStateSelected(false);
            }
        }
    }
 
    Widget* MenuControl::createItemChildByType(size_t _index, std::string_view _type)
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::createItemChildByType");
        removeItemChildAt(_index);
        Widget* child = mItemsInfo[_index].item->createWidgetT(
            WidgetStyle::Popup,
            _type,
            mSubMenuSkin,
            IntCoord(),
            Align::Default,
            mSubMenuLayer);
        MYGUI_ASSERT(child->isType<MenuControl>(), "child must have MenuControl base type");
        return child;
    }
 
    void MenuControl::notifyMouseButtonClick(Widget* _sender)
    {
        MenuItem* item = _sender->castType<MenuItem>();
        if (mMenuDropMode)
        {
            if (mIsMenuDrop)
            {
                if (item->getItemType() == MenuItemType::Popup)
                {
                    item->setStateSelected(false);
                    item->setItemChildVisible(false);
                    mIsMenuDrop = false;
                }
            }
            else
            {
                if (item->getItemType() == MenuItemType::Popup)
                {
                    mIsMenuDrop = true;
                    item->setStateSelected(true);
                    item->setItemChildVisible(true);
                    InputManager::getInstance().setKeyFocusWidget(item);
                }
            }
        }
        else
        {
            if ((item->getItemType() == MenuItemType::Popup && mPopupAccept) ||
                item->getItemType() == MenuItemType::Normal)
            {
                notifyMenuCtrlAccept(item);
            }
        }
    }
 
    void MenuControl::onKeyChangeRootFocus(bool _focus)
    {
        if (mMenuDropMode)
        {
            mIsMenuDrop = false;
        }
        if (!_focus && mHideByLostKey)
        {
            setVisibleSmooth(false);
            eventMenuCtrlClose(this);
        }
        Base::onKeyChangeRootFocus(_focus);
    }
 
    void MenuControl::notifyMouseSetFocus(Widget* _sender, Widget* _new)
    {
        InputManager::getInstance().setKeyFocusWidget(_sender);
    }
 
    void MenuControl::_wrapItemChild(MenuItem* _item, MenuControl* _widget)
    {
        // заменяем
        size_t index = getItemIndex(_item);
        if (mItemsInfo[index].submenu != nullptr)
        {
            WidgetManager::getInstance().destroyWidget(mItemsInfo[index].submenu);
            mItemsInfo[index].submenu = nullptr;
        }
        mItemsInfo[index].submenu = _widget;
        // скрываем менюшку
        mItemsInfo[index].submenu->setVisible(false);
 
        update();
    }
 
    void MenuControl::_wrapItem(
        MenuItem* _item,
        size_t _index,
        const UString& _name,
        MenuItemType _type,
        std::string_view _id,
        Any _data)
    {
        _item->setAlign(mVerticalAlignment ? Align::Top | Align::HStretch : Align::Default);
        _item->eventRootKeyChangeFocus += newDelegate(this, &MenuControl::notifyRootKeyChangeFocus);
        _item->eventMouseButtonClick += newDelegate(this, &MenuControl::notifyMouseButtonClick);
        _item->eventMouseSetFocus += newDelegate(this, &MenuControl::notifyMouseSetFocus);
 
        _item->setImageName(getIconIndexByType(_type));
 
        MenuControl* submenu = nullptr;
 
        ItemInfo info = ItemInfo(_item, _name, _type, submenu, _id, _data);
 
        mItemsInfo.insert(mItemsInfo.begin() + _index, std::move(info));
 
        mChangeChildSkin = true;
        _item->changeWidgetSkin(getSkinByType(_type));
        mChangeChildSkin = false;
 
        // его сет капшен, обновит размер
        _item->setCaption(_name);
 
        update();
    }
 
    void MenuControl::setVisible(bool _visible)
    {
        if (mAnimateSmooth)
        {
            ControllerManager::getInstance().removeItem(this);
            setAlpha(ALPHA_MAX);
            setEnabledSilent(true);
            mAnimateSmooth = false;
        }
 
        if (_visible)
        {
            if (mOwner == nullptr && mHideByLostKey)
            {
                MyGUI::InputManager::getInstance().setKeyFocusWidget(this);
            }
        }
 
        Base::setVisible(_visible);
    }
 
    void MenuControl::setVisibleSmooth(bool _visible)
    {
        mAnimateSmooth = true;
        ControllerManager::getInstance().removeItem(this);
 
        if (_visible)
        {
            setEnabledSilent(true);
            if (!getVisible())
            {
                setAlpha(ALPHA_MIN);
                Base::setVisible(true);
            }
 
            ControllerFadeAlpha* controller = createControllerFadeAlpha(ALPHA_MAX, POPUP_MENU_SPEED_COEF, true);
            controller->eventPostAction += newDelegate(action::actionWidgetShow);
            ControllerManager::getInstance().addItem(this, controller);
        }
        else
        {
            setEnabledSilent(false);
 
            ControllerFadeAlpha* controller = createControllerFadeAlpha(ALPHA_MIN, POPUP_MENU_SPEED_COEF, false);
            controller->eventPostAction += newDelegate(action::actionWidgetHide);
            ControllerManager::getInstance().addItem(this, controller);
        }
    }
 
    ControllerFadeAlpha* MenuControl::createControllerFadeAlpha(float _alpha, float _coef, bool _enable)
    {
        ControllerItem* item = ControllerManager::getInstance().createItem(ControllerFadeAlpha::getClassTypeName());
        ControllerFadeAlpha* controller = item->castType<ControllerFadeAlpha>();
 
        controller->setAlpha(_alpha);
        controller->setCoef(_coef);
        controller->setEnabled(_enable);
 
        return controller;
    }
 
    MenuItem* MenuControl::insertItem(
        MenuItem* _to,
        const UString& _name,
        MenuItemType _type,
        std::string_view _id,
        Any _data)
    {
        return insertItemAt(getItemIndex(_to), _name, _type, _id, _data);
    }
 
    MenuItem* MenuControl::addItem(const UString& _name, MenuItemType _type, std::string_view _id, Any _data)
    {
        return insertItemAt(ITEM_NONE, _name, _type, _id, _data);
    }
 
    void MenuControl::removeItem(MenuItem* _item)
    {
        removeItemAt(getItemIndex(_item));
    }
 
    MenuItem* MenuControl::getItemAt(size_t _index) const
    {
        MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::getItemAt");
        return mItemsInfo[_index].item;
    }
 
    size_t MenuControl::getItemIndex(const MenuItem* _item) const
    {
        for (size_t pos = 0; pos < mItemsInfo.size(); pos++)
        {
            if (mItemsInfo[pos].item == _item)
                return pos;
        }
        MYGUI_EXCEPT("item (" << _item << ") not found, source 'MenuControl::getItemIndex'");
    }
 
    MenuItem* MenuControl::findItemWith(const UString& _name)
    {
        for (const auto& info : mItemsInfo)
        {
            if (info.name == _name)
                return info.item;
        }
        return nullptr;
    }
 
    MenuItem* MenuControl::getItemById(std::string_view _id) const
    {
        for (const auto& info : mItemsInfo)
        {
            if (info.id == _id)
                return info.item;
        }
        MYGUI_EXCEPT("item id (" << _id << ") not found, source 'MenuControl::getItemById'");
    }
 
    size_t MenuControl::getItemIndexById(std::string_view _id) const
    {
        for (size_t index = 0; index < mItemsInfo.size(); index++)
        {
            if (mItemsInfo[index].id == _id)
                return index;
        }
        MYGUI_EXCEPT("item id (" << _id << ") not found, source 'MenuControl::getItemById'");
    }
 
    MenuItem* MenuControl::findItemById(std::string_view _id, bool _recursive)
    {
        for (const auto& info : mItemsInfo)
        {
            if (info.id == _id)
                return info.item;
 
            if (_recursive && info.submenu != nullptr)
            {
                MenuItem* find = info.submenu->findItemById(_id, _recursive);
                if (find != nullptr)
                    return find;
            }
        }
        return nullptr;
    }
 
    size_t MenuControl::findItemIndexWith(const UString& _name)
    {
        for (size_t index = 0; index < mItemsInfo.size(); index++)
        {
            if (mItemsInfo[index].name == _name)
                return index;
        }
        return ITEM_NONE;
    }
 
    size_t MenuControl::findItemIndex(MenuItem* _item)
    {
        for (size_t index = 0; index < mItemsInfo.size(); index++)
        {
            if (mItemsInfo[index].item == _item)
                return index;
        }
        return ITEM_NONE;
    }
 
    size_t MenuControl::getItemCount() const
    {
        return mItemsInfo.size();
    }
 
    void MenuControl::setItemData(MenuItem* _item, Any _data)
    {
        setItemDataAt(getItemIndex(_item), _data);
    }
 
    void MenuControl::clearItemDataAt(size_t _index)
    {
        setItemDataAt(_index, Any::Null);
    }
 
    void MenuControl::clearItemData(MenuItem* _item)
    {
        clearItemDataAt(getItemIndex(_item));
    }
 
    void MenuControl::setItemId(MenuItem* _item, std::string_view _id)
    {
        setItemIdAt(getItemIndex(_item), _id);
    }
 
    const std::string& MenuControl::getItemId(const MenuItem* _item) const
    {
        return getItemIdAt(getItemIndex(_item));
    }
 
    void MenuControl::setItemName(MenuItem* _item, const UString& _name)
    {
        setItemNameAt(getItemIndex(_item), _name);
    }
 
    const UString& MenuControl::getItemName(const MenuItem* _item) const
    {
        return getItemNameAt(getItemIndex(_item));
    }
 
    void MenuControl::setItemChildVisible(MenuItem* _item, bool _visible)
    {
        setItemChildVisibleAt(getItemIndex(_item), _visible);
    }
 
    MenuControl* MenuControl::getItemChild(const MenuItem* _item) const
    {
        return getItemChildAt(getItemIndex(_item));
    }
 
    MenuControl* MenuControl::createItemChildAt(size_t _index)
    {
        return createItemChildTAt<MenuControl>(_index);
    }
 
    MenuControl* MenuControl::createItemChild(MenuItem* _item)
    {
        return createItemChildAt(getItemIndex(_item));
    }
 
    void MenuControl::removeItemChild(MenuItem* _item)
    {
        removeItemChildAt(getItemIndex(_item));
    }
 
    MenuItemType MenuControl::getItemType(const MenuItem* _item) const
    {
        return getItemTypeAt(getItemIndex(_item));
    }
 
    void MenuControl::setItemType(MenuItem* _item, MenuItemType _type)
    {
        setItemTypeAt(getItemIndex(_item), _type);
    }
 
    void MenuControl::setPopupAccept(bool _value)
    {
        mPopupAccept = _value;
    }
 
    bool MenuControl::getPopupAccept() const
    {
        return mPopupAccept;
    }
 
    MenuItem* MenuControl::getMenuItemParent() const
    {
        return mOwner;
    }
 
    const std::string& MenuControl::getSkinByType(MenuItemType _type) const
    {
        if (_type == MenuItemType::Popup)
            return mItemPopupSkin;
        if (_type == MenuItemType::Separator)
            return mItemSeparatorSkin;
        return mItemNormalSkin;
    }
 
    std::string_view MenuControl::getIconIndexByType(MenuItemType _type) const
    {
        if (_type == MenuItemType::Popup)
            return "Popup";
        return "None";
    }
 
    MenuItemType MenuControl::getItemType(bool _submenu, bool _separator) const
    {
        if (_submenu)
            return MenuItemType::Popup;
        if (_separator)
            return MenuItemType::Separator;
        return MenuItemType::Normal;
    }
 
    size_t MenuControl::_getItemCount() const
    {
        return getItemCount();
    }
 
    void MenuControl::_addItem(const MyGUI::UString& _name)
    {
        addItem(_name, MenuItemType::Normal);
    }
 
    void MenuControl::_removeItemAt(size_t _index)
    {
        removeItemAt(_index);
 
        _updateSizeForEmpty();
    }
 
    Widget* MenuControl::_getItemAt(size_t _index) const
    {
        return getItemAt(_index);
    }
 
    void MenuControl::_setItemNameAt(size_t _index, const UString& _name)
    {
        setItemNameAt(_index, _name);
    }
 
    const UString& MenuControl::_getItemNameAt(size_t _index) const
    {
        return getItemNameAt(_index);
    }
 
    void MenuControl::_setItemSelected(IItem* _item)
    {
        MenuItem* item = static_cast<MenuItem*>(_item);
        for (auto& iter : mItemsInfo)
        {
            if (iter.type == MenuItemType::Popup)
            {
                iter.item->setStateSelected(false);
 
                if (iter.submenu != nullptr)
                    iter.submenu->setVisible(false);
            }
        }
 
        if (item->getItemType() == MenuItemType::Popup)
        {
            item->setStateSelected(true);
            size_t index = getItemIndex(item);
 
            _setItemChildVisibleAt(index, true, false);
 
            _updateItems(index);
        }
    }
 
    void MenuControl::_updateItems(size_t _index)
    {
        if (mItemsInfo[_index].submenu != nullptr)
            mItemsInfo[_index].submenu->_updateSizeForEmpty();
    }
 
    void MenuControl::_updateSizeForEmpty()
    {
        if (mItemsInfo.empty())
            setSize(100, 100);
    }
 
    void MenuControl::setVerticalAlignment(bool _value)
    {
        mVerticalAlignment = _value;
 
        update();
    }
 
    bool MenuControl::getVerticalAlignment() const
    {
        return mVerticalAlignment;
    }
 
    void MenuControl::setPropertyOverride(std::string_view _key, std::string_view _value)
    {
        if (_key == "VerticalAlignment")
            setVerticalAlignment(utility::parseValue<bool>(_value));
 
        else
        {
            Base::setPropertyOverride(_key, _value);
            return;
        }
 
        eventChangeProperty(this, _key, _value);
    }
 
} // namespace MyGUI