AText.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
 
#include "ATextBase.h"

class API_AUI_VIEWS AText : public ATextBase<AWordWrappingEngine<>> {
public:
    using Flags = AVector<std::variant<WordBreak>>;
    struct ParsedFlags {
        WordBreak wordBreak = WordBreak::NORMAL;
    };
 
 
public:
    AText();
 
    ~AText() override;
 
    void clearContent() override;
 
    void setItems(const AVector<std::variant<AString, _<AView>>>& init, const Flags& flags = {});
 
    void setHtml(const AString& html, const Flags& flags = {});
 
    void setString(const AString& string, const Flags& flags = {});
 
    void setString(const AString& string) {
        setString(string, {});
    }
 
    static _<AText> fromItems(std::initializer_list<std::variant<AString, _<AView>>> init, const Flags& flags = {}) {
        auto v = aui::ptr::manage(new AText());
        v->setItems(init, flags);
        return v;
    }
 
    static _<AText> fromHtml(const AString& html, const Flags& flags = {}) {
        auto v = aui::ptr::manage(new AText());
        v->setHtml(html, flags);
        return v;
    }
 
    static _<AText> fromString(const AString& string, const Flags& flags = {}) {
        auto v = aui::ptr::manage(new AText());
        v->setString(string, flags);
        return v;
    }
 
protected:
    void fillStringCanvas(const _<IRenderer::IMultiStringCanvas>& canvas) override;
 
private:
    class WordEntry final : public aui::detail::WordEntry {
    public:
        using aui::detail::WordEntry::WordEntry;
    };
 
    class CharEntry final : public aui::detail::CharEntry {
    public:
        using aui::detail::CharEntry::CharEntry;
    };
 
    ADeque<WordEntry> mWordEntries;
    ADeque<CharEntry> mCharEntries;
    ParsedFlags mParsedFlags;
    aui::detail::WhitespaceEntry mWhitespaceEntry = this;
    aui::detail::NextLineEntry mNextLineEntry = this;
 
    void pushWord(Entries& entries,
                  AString word,
                  const ParsedFlags& flags);
 
    static ParsedFlags parseFlags(const Flags& flags);
 
    void processString(const AString& string, const ParsedFlags& parsedFlags,
                       Entries& entries);
};