sortix-mirror/editor/display.h

50 lines
1.8 KiB
C

/*
* Copyright (c) 2013, 2014 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* display.h
* Display handling.
*/
#ifndef EDITOR_DISPLAY_H
#define EDITOR_DISPLAY_H
#include <stddef.h>
#include <stdint.h>
struct editor;
struct line;
struct terminal_state;
struct display_char
{
wchar_t character;
uint8_t color;
};
size_t editor_display_column_of_line_offset(struct editor* editor,
const struct line* line,
size_t offset);
size_t editor_line_offset_of_display_column(struct editor* editor,
const struct line* line,
size_t column);
size_t displayed_string_length(const wchar_t* str, size_t len, size_t tabsize);
struct display_char* expand_tabs(const wchar_t* str, size_t len, uint8_t* colors,
size_t colors_len, size_t* ret_len_ptr,
size_t tabsize);
void render_editor(struct editor* editor, struct terminal_state* state);
#endif