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list_window.h

#ifndef LIST_WINDOW_H
#define LIST_WINDOW_H

#define LW_ROW(lw) (lw ? lw->selected-lw->start :  0)

#define LW_HIDE_CURSOR    0x01

typedef char *  (*list_window_callback_fn_t)   (int index, 
                                    int *highlight,
                                    void *data);

typedef struct
{
  WINDOW *w;
  int rows, cols;

  int start;
  int selected;
  int xoffset;
  int clear;
  int repaint;
  int flags;

} list_window_t;

typedef struct 
{
  GList *list;
} list_window_state_t;


/* create a new list window */
list_window_t *list_window_init(WINDOW *w, int width, int height);

/* destroy a list window (returns NULL) */
list_window_t *list_window_free(list_window_t *lw);

/* reset a list window (selected=0, start=0, clear=1) */
void list_window_reset(list_window_t *lw);

/* paint a list window */
void list_window_paint(list_window_t *lw,
                   list_window_callback_fn_t callback,
                   void *callback_data);

/* perform basic list window commands (movement) */
int list_window_cmd(list_window_t *lw, int rows, command_t cmd);


/* select functions */
void list_window_set_selected(list_window_t *lw, int n);
void list_window_previous(list_window_t *lw, int length);
void list_window_next(list_window_t *lw, int length);
void list_window_first(list_window_t *lw);
void list_window_last(list_window_t *lw, int length);
void list_window_previous_page(list_window_t *lw);
void list_window_next_page(list_window_t *lw, int length);
void list_window_check_selected(list_window_t *lw, int length);
/* not implemented yet */
void list_window_right(list_window_t *lw, int length);
void list_window_left(list_window_t *lw);

/* find a string in a list window */
int  list_window_find(list_window_t *lw, 
                  list_window_callback_fn_t callback,
                  void *callback_data,
                  char *str,
                  int wrap);

/* find a string in a list window (reversed) */
int
list_window_rfind(list_window_t *lw, 
              list_window_callback_fn_t callback,
              void *callback_data,
              char *str,
              int wrap,
              int rows);

/* list window states */
list_window_state_t *list_window_init_state(void);
list_window_state_t *list_window_free_state(list_window_state_t *state);
void list_window_push_state(list_window_state_t *state, list_window_t *lw);
void list_window_pop_state(list_window_state_t *state, list_window_t *lw);



#endif

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