elm_Element.hpp

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/*
 
    Plutonium library
 
    @file Element.hpp
    @brief An Element is the base of Plutonium UI's content.
    @author XorTroll
 
    @copyright Plutonium project - an easy-to-use UI framework for Nintendo Switch homebrew
 
*/
 
#pragma once
#include <pu/ui/render/render_Renderer.hpp>
 
namespace pu::ui {
 
    class Container;
 
}
 
namespace pu::ui::elm {
 
    enum class HorizontalAlign {
        Left,
        Center,
        Right
    };
 
    enum class VerticalAlign {
        Up,
        Center,
        Down
    };
 
    class Element {
        protected:
            bool visible;
            HorizontalAlign h_align;
            VerticalAlign v_align;
            Container *parent_container;
 
        public:
            Element() : visible(true), h_align(HorizontalAlign::Left), v_align(VerticalAlign::Up), parent_container(nullptr) {}
            PU_SMART_CTOR(Element)
            virtual ~Element() {}
 
            virtual i32 GetX() = 0;
            virtual i32 GetY() = 0;
            virtual i32 GetWidth() = 0;
            virtual i32 GetHeight() = 0;
            virtual void OnRender(render::Renderer::Ref &drawer, const i32 x, const i32 y) = 0;
            virtual void OnInput(const u64 keys_down, const u64 keys_up, const u64 keys_held, const TouchPoint touch_pos) = 0;
 
            inline bool IsVisible() {
                return this->visible;
            }
 
            inline void SetVisible(const bool visible) {
                this->visible = visible;
            }
 
            inline void SetHorizontalAlign(const HorizontalAlign align) {
                this->h_align = align;
            }
 
            inline HorizontalAlign GetHorizontalAlign() {
                return this->h_align;
            }
 
            inline void SetVerticalAlign(const VerticalAlign align) {
                this->v_align = align;
            }
 
            inline VerticalAlign GetVerticalAlign() {
                return this->v_align;
            }
 
            inline void SetParentContainer(Container *parent_container) {
                this->parent_container = parent_container;
            }
 
            i32 GetProcessedX();
            i32 GetProcessedY();
    };
 
}