/*******************************************************************************
 * Copyright (c) 2013-2021, Andrés Martinelli <andmarti@gmail.com>             *
 * All rights reserved.                                                        *
 *                                                                             *
 * This file is a part of sc-im                                                *
 *                                                                             *
 * sc-im is a spreadsheet program that is based on sc. The original authors    *
 * of sc are James Gosling and Mark Weiser, and mods were later added by       *
 * Chuck Martin.                                                               *
 *                                                                             *
 * Redistribution and use in source and binary forms, with or without          *
 * modification, are permitted provided that the following conditions are met: *
 * 1. Redistributions of source code must retain the above copyright           *
 *    notice, this list of conditions and the following disclaimer.            *
 * 2. Redistributions in binary form must reproduce the above copyright        *
 *    notice, this list of conditions and the following disclaimer in the      *
 *    documentation and/or other materials provided with the distribution.     *
 * 3. All advertising materials mentioning features or use of this software    *
 *    must display the following acknowledgement:                              *
 *    This product includes software developed by Andrés Martinelli            *
 *    <andmarti@gmail.com>.                                                    *
 * 4. Neither the name of the Andrés Martinelli nor the                        *
 *   names of other contributors may be used to endorse or promote products    *
 *   derived from this software without specific prior written permission.     *
 *                                                                             *
 * THIS SOFTWARE IS PROVIDED BY ANDRES MARTINELLI ''AS IS'' AND ANY            *
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED   *
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE      *
 * DISCLAIMED. IN NO EVENT SHALL ANDRES MARTINELLI BE LIABLE FOR ANY           *
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES  *
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;*
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND *
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT  *
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE       *
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.           *
 *******************************************************************************/

/**
 * \file range.h
 * \author Andrés Martinelli <andmarti@gmail.com>
 * \date 2017-07-18
 * \brief Header file for range.c
 */

#include "sc.h"

struct srange {
    int tlrow;         // top left row
    int tlcol;         // top left col
    int brrow;         // bottom right row
    int brcol;         // bottom right col
    int orig_row;      // original row before starting selection
    int orig_col;      // original col before starting selection
    int startup_row;   // row position before entering visual mode
    int startup_col;   // col position before entering visual mode
    char marks[2];     // marks used for creating the range
    int selected;
    struct srange * pnext;
};
typedef struct srange srange;

extern srange * ranges;

srange * create_range(char c, char d, struct ent * tl, struct ent * br);
int find_range(char * name, int len, struct ent * lmatch, struct ent * rmatch, struct range ** rng);

void unselect_ranges();
void free_ranges ();
void del_ranges_by_mark (char c);
srange * get_range_by_pos(int pos);
srange * get_range_by_marks (char c, char d);
int is_range_selected();
srange * get_selected_range();

srange * create_custom_range(int tlrow, int tlcol, int brrow, int brcol);
void free_custom_range(srange * sr);
void clean_range();

void add_range(char * name, struct ent_ptr left, struct ent_ptr right, int is_range);
void del_range(struct ent * left, struct ent * right);