/**
 * @file datapresentation.h
 * @brief Part of GNOME Commander - A GNOME based file manager
 *
 * @copyright (C) 2006 Assaf Gordon\n
 * @copyright (C) 2007-2012 Piotr Eljasiak\n
 * @copyright (C) 2013-2023 Uwe Scholz\n
 *
 * @copyright 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.
 *
 * @copyright 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.
 *
 * @copyright 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 St, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#pragma once

struct GVDataPresentation;

enum PRESENTATION
{
    PRSNT_NO_WRAP,
    PRSNT_WRAP,

    // Here, BIN_FIXED is "fixed number of binary characters per line" (e.g. CHAR=BYTE, no UTF-8 or other translations)
    PRSNT_BIN_FIXED
};

GVDataPresentation *gv_data_presentation_new();

void gv_init_data_presentation(GVDataPresentation *dp, GVInputModesData *imd, offset_type max_offset);
void gv_free_data_presentation(GVDataPresentation *dp);

void gv_set_data_presentation_mode(GVDataPresentation *dp, PRESENTATION present);
PRESENTATION gv_get_data_presentation_mode(GVDataPresentation *dp);
void gv_set_wrap_limit(GVDataPresentation *dp, guint chars_per_line);
void gv_set_fixed_count(GVDataPresentation *dp, guint chars_per_line);
void gv_set_tab_size(GVDataPresentation *dp, guint tab_size);

offset_type gv_align_offset_to_line_start(GVDataPresentation *dp, offset_type offset);
offset_type gv_scroll_lines (GVDataPresentation *dp, offset_type current_offset, int delta);
offset_type gv_get_end_of_line_offset(GVDataPresentation *dp, offset_type start_of_line);