UI.h

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#pragma once
 
#include <SDL.h>
#include <vec2.h>
#include <stdbool.h>
 
typedef enum {
    UI_ELEMENT_NONE,
    UI_ELEMENT_PANEL,
    UI_ELEMENT_BUTTON,
    UI_ELEMENT_LABEL,
    UI_ELEMENT_CHECKBOX,
    UI_ELEMENT_SLIDER,
    UI_ELEMENT_TEXT,
    UI_ELEMENT_IMAGE
} UIElementType;
 
// Forward declaration to avoid circular dependency
typedef struct UIElement UIElement;
 
struct UIElement {
    UIElementType type;        
    void* data;                
    SDL_Rect rect;             
    bool visible;              
    bool enabled;              
    bool hovered;              
    bool pressed;              
    SDL_Rect srcRect;          
    SDL_Rect dstRect;          
    SDL_Rect textureSize;      
    SDL_Color color;           
    float scale;               
    // Callbacks 
    void (*render)(UIElement* self);      
    void (*update)(UIElement* self);      
    void (*cleanup)(UIElement* self);     
};