AWordWrappingEngine.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2025 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 <AUI/Common/AObject.h>
#include <AUI/Common/AVector.h>
#include <glm/glm.hpp>
#include <AUI/Enum/ATextAlign.h>
#include <AUI/Enum/AFloat.h>
 
class AWordWrappingEngineBase {
public:
   class Entry {
   public:
       virtual ~Entry() = default;
 
       virtual glm::ivec2 getSize() = 0;
       virtual void setPosition(glm::ivec2 position) {}
 
       [[nodiscard]]
       virtual AFloat getFloat() const {
           return AFloat::NONE;
       }
 
       [[nodiscard]]
       virtual bool forcesNextLine() const {
           return false;
       }
 
       [[nodiscard]]
       bool isFloating() const {
           return getFloat() != AFloat::NONE;
       }
 
       [[nodiscard]]
       virtual bool escapesEdges() {
           return false;
       }
   };
 
protected:
   float mLineHeight = 1.f;
   ATextAlign mTextAlign = ATextAlign::LEFT;
   AOptional<int> mHeight;
 
public:
   void setLineHeight(float lineHeight) {
       mLineHeight = lineHeight;
   }
 
   void setTextAlign(ATextAlign textAlign) {
       mTextAlign = textAlign;
   }
 
 
   [[nodiscard]]
   AOptional<int> height() const {
       return mHeight;
   }
};
 
template<typename Container = AVector<_<AWordWrappingEngineBase::Entry>>>
class AWordWrappingEngine: public AWordWrappingEngineBase {
public:
   using Entries = Container;
 
   // include AWordWrappingEngineImpl.h for implementation
   void performLayout(const glm::ivec2& offset, const glm::ivec2& size);
 
   void setEntries(Container entries) {
       mEntries = std::move(entries);
   }
 
   [[nodiscard]]
   Container& entries() {
       return mEntries;
   }
 
 
   [[nodiscard]]
   const Container& entries() const {
       return mEntries;
   }
 
private:
   Container mEntries;
};
 
 

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