Crafter.Graphics/interfaces/Crafter.Graphics-UiElement.cppm

/*
Crafter®.Graphics
Copyright (C) 2025 Catcrafts®
catcrafts.net

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 3.0 as published by the Free Software Foundation;

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
*/

export module Crafter.Graphics:UiElement;
import :UiElementBuffer;
import :UiElementMouse;
import std;
import Crafter.Event;
import :Types;

export namespace Crafter {
    class Font;
    class UiElementBase {
    public:
        float z;
        float anchorX;
        float anchorY;
        bool ignoreScaling;
        float relativeWidth;
        float relativeHeight;
        float anchorOffsetX;
        float anchorOffsetY;
        std::vector<std::unique_ptr<UiElementBase>> children;

        UiElementBase(float anchorX, float anchorY, float relativeWidth, float relativeHeight, float anchorOffsetX = 0.5,  float anchorOffsetY = 0.5,  float z = 0, bool ignoreScaling = false);
        UiElementBase(UiElementBase&&) noexcept = default;
        UiElementBase& operator=(UiElementBase&&) noexcept = default;
    };

    template<bool Buffer, bool Mouse>
    class UiElement : public  UiElementBase{
    public:
        std::conditional_t<Buffer, UiElementBuffer, std::monostate> buffer;
        std::conditional_t<Buffer, UiElementMouse, std::monostate> mouse;
        UiElement(float anchorX, float anchorY, float relativeWidth, float relativeHeight, float anchorOffsetX = 0.5,  float anchorOffsetY = 0.5,  float z = 0, bool ignoreScaling = false) : UiElementBase(anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling = false) {}
        UiElement(float anchorX, float anchorY, float relativeWidth, float relativeHeight, float anchorOffsetX = 0.5,  float anchorOffsetY = 0.5,  float z = 0, bool ignoreScaling = false) requires (Buffer) : UiElementBase(anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling), buffer(*this) {} 
        UiElement(std::uint_fast32_t width, std::uint_fast32_t height, float anchorX, float anchorY, float relativeWidth, float relativeHeight, float anchorOffsetX = 0.5,  float anchorOffsetY = 0.5,  float z = 0, bool ignoreScaling = false) requires (Buffer) : UiElementBase(anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling), buffer(*this, width, height) {} 
    };
}