#ifndef H_GMTOOL_STRUCTS
#define H_GMTOOL_STRUCTS

#ifdef __cplusplus
extern "C" {
#endif

/* types imported from eressea: */
  struct region;

  typedef struct extent {
    /* Ein Vektor */
    int width, height;
  } extent;

  typedef struct point {
    /* Eine Koordinate in einer Ascii-Karte */
    int x, y;
  } point;

  typedef struct coordinate {
    /* Eine Koordinate im Editor, nicht normalisiert */
    int x, y;
    struct plane *pl;
  } coordinate;

  typedef struct map_region {
    struct region *r;
    coordinate coord;
  } map_region;

  typedef struct view {
    struct map_region *regions;
    struct plane *pl;
    coordinate topleft;         /* upper left corner in map. */
    extent size;                /* dimensions. */
  } view;

  typedef struct tag {
    coordinate coord;
    struct tag *nexthash;
  } tag;

#define MAXTHASH 512

  typedef struct selection {
    tag *tags[MAXTHASH];
  } selection;

  typedef struct state {
    coordinate cursor;
    selection *selected;
    struct state *prev;
    view display;
    int modified;
    unsigned int info_flags;
    struct window *wnd_info;
    struct window *wnd_map;
    struct window *wnd_status;
  } state;

  typedef struct window {
    bool(*handlekey) (struct window * win, struct state * st, int key);
    void (*paint) (struct window * win, const struct state * st);

    WINDOW *handle;
    struct window *next;
    struct window *prev;
    bool initialized;
    int update;
  } window;

  extern map_region *cursor_region(const view * v, const coordinate * c);
  extern void cnormalize(const coordinate * c, int *x, int *y);
  extern state *current_state;

  extern void set_info_function(void (*callback) (struct window *,
      const struct state *));

#define TWIDTH  2               /* width of tile */
#define THEIGHT 1               /* height of tile */

#ifdef __cplusplus
}
#endif
#endif