MenuOutputAccess.hpp

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/*
 * This file is part of the DUDS project. It is subject to the BSD-style
 * license terms in the LICENSE file found in the top-level directory of this
 * distribution and at https://github.com/jjackowski/duds/blob/master/LICENSE.
 * No part of DUDS, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 *
 * Copyright (C) 2019  Jeff Jackowski
 */
#include <duds/ui/menu/MenuOutput.hpp>

namespace duds { namespace ui { namespace menu {

class MenuOutputAccess {
    MenuOutput *outview;
    Menu *viewmenu;
    MenuVisibleList::const_iterator seliter;
    friend MenuOutput;
public:
    MenuOutputAccess(MenuOutput *mov, std::size_t newRange = -1);
    MenuOutputAccess(MenuOutput &mov, std::size_t newRange = -1) :
        MenuOutputAccess(&mov, newRange) { }
    MenuOutputAccess(
        const MenuOutputSptr &mov,
        std::size_t newRange = -1
    ) : MenuOutputAccess(mov.get(), newRange) { }
    ~MenuOutputAccess() {
        retire();
    }
    void retire() noexcept;
    const Menu *menu() const {
        return viewmenu;
    }
    const MenuOutput *outputView() const {
        return outview;
    }
    std::size_t maxVisible() const {
        return outview->range;
    }
    void maxVisible(std::size_t newRange) const {
        outview->maxVisible(newRange);
    }
    bool changed() const {
        return outview->changed();
    }
    const std::shared_ptr<MenuItem> &item(std::size_t index) const {
        return *(viewmenu->iterator(index));
    }
    bool haveToggles() const {
        return viewmenu->haveToggles();
    }
    std::size_t size() const {
        return outview->items.size();
    }
    bool empty() const {
        return outview->items.empty();
    }
    MenuVisibleList::const_iterator begin() const {
        return outview->items.cbegin();
    }
    MenuVisibleList::const_iterator end() const {
        return outview->items.cend();
    }
    const MenuVisibleList::const_iterator &selectedIter() const {
        return outview->seliter;
    }
    const MenuItem &selectedItem() const {
        return **outview->seliter;
    }
    std::size_t selectedIndex() const {
        return outview->selected;
    }
    std::size_t selectedVisible() const {
        return outview->selectedVis;
    }
    std::size_t firstIndex() const {
        return outview->firstIdx;
    }
    std::size_t lastIndex() const {
        return outview->lastIdx;
    }
    bool showingFirst() const {
        return outview->showFirst;
    }
    bool showingLast() const {
        return outview->showLast;
    }
    bool showingAll() const {
        return outview->items.empty() || (outview->showFirst && outview->showLast);
    }
};

} } }