/****** elements.h, defines various UI elements

******/
#ifndef ELEMENTS_H
#define ELEMENTS_H

#define STATE_NORMAL 0
#define STATE_PRESSED 1
#define STATE_HELD 2
#define STATE_DRAG 3

struct Element {
  int x;
  int y;
  int state;
  int type;
  struct Element *next;
  void *data;
  void (*callback)();
  void *user;
};

struct Element *newElement(int type);

/* element type structs and such */
#define TYPE_TEXT 0
#define TYPE_BUTTON 1
#define TYPE_TEXT_INPUT 2

struct ButtonElement {
  int length;
  char *string;
};

struct TextElement {
  int length;
  char *string;
};

struct TextInputElement {
  int size;
  int cursor;
  int length;
  char *string;
};

int setElementText(struct Element *element, const char *string);
int setElementPosition(struct Element *element, int x, int y);
int setElementCallback(struct Element *element, void(*callback));
int setElementSize(struct Element *element, int size);

const char *getElementText(struct Element *element);

#endif