/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2008, Blender Foundation
 * All rights reserved.
 */
#ifndef __BKE_TEXT_SUGGESTIONS_H__
#define __BKE_TEXT_SUGGESTIONS_H__

/** \file
 * \ingroup bke
 */

#ifdef __cplusplus
extern "C" {
#endif

#include "DNA_text_types.h"

/* ****************************************************************************
 * Suggestions should be added in sorted order although a linear sorting method is
 * implemented. The list is then divided up based on the prefix provided by
 * update_suggestions:
 *
 * Example:
 *   Prefix: ab
 *   aaa <-- first
 *   aab
 *   aba <-- firstmatch
 *   abb <-- lastmatch
 *   baa
 *   bab <-- last
 **************************************************************************** */

struct Text;

typedef struct SuggItem {
  struct SuggItem *prev, *next;
  char type;
  char name[0];
} SuggItem;

typedef struct SuggList {
  SuggItem *first, *last;
  SuggItem *firstmatch, *lastmatch;
  SuggItem *selected;
  int top;
} SuggList;

/* Free all text tool memory */
void free_texttools(void);

/* Used to identify which Text object the current tools should appear against */
void texttool_text_set_active(Text *text);
void texttool_text_clear(void);
short texttool_text_is_active(Text *text);

/* Suggestions */
void texttool_suggest_add(const char *name, char type);
void texttool_suggest_prefix(const char *prefix, const int prefix_len);
void texttool_suggest_clear(void);
SuggItem *texttool_suggest_first(void);
SuggItem *texttool_suggest_last(void);
void texttool_suggest_select(SuggItem *sel);
SuggItem *texttool_suggest_selected(void);
int *texttool_suggest_top(void);

/* Documentation */
void texttool_docs_show(const char *docs);
char *texttool_docs_get(void);
void texttool_docs_clear(void);

#ifdef __cplusplus
}
#endif

#endif /* __BKE_TEXT_SUGGESTIONS_H__ */
