65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2011, 2012, 2013, 2014, 2015, 2016 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.
|
|
*
|
|
* showline.h
|
|
* Display a line on the terminal.
|
|
*/
|
|
|
|
#ifndef SHOWLINE_H
|
|
#define SHOWLINE_H
|
|
|
|
#include <stddef.h>
|
|
#include <termios.h>
|
|
|
|
// TODO: Predict the terminal colors as well!
|
|
struct cursor_predict
|
|
{
|
|
bool escaped;
|
|
};
|
|
|
|
struct show_line
|
|
{
|
|
struct wincurpos wcp_start;
|
|
struct wincurpos wcp_current;
|
|
struct winsize ws;
|
|
int out_fd;
|
|
char* current_line;
|
|
size_t current_cursor;
|
|
bool invalidated;
|
|
bool wcp_pending;
|
|
};
|
|
|
|
struct wincurpos predict_cursor(struct cursor_predict* cursor_predict,
|
|
struct wincurpos wcp,
|
|
struct winsize ws,
|
|
wchar_t c);
|
|
bool predict_will_scroll(struct cursor_predict cursor_predict,
|
|
struct wincurpos wcp,
|
|
struct winsize ws,
|
|
wchar_t c);
|
|
void show_line_begin(struct show_line* show_state, int out_fd);
|
|
void show_line_wincurpos(struct show_line* show_state,
|
|
unsigned int r,
|
|
unsigned int c);
|
|
bool show_line_is_weird(const char* line);
|
|
void show_line_change_cursor(struct show_line* show_state, struct wincurpos wcp);
|
|
bool show_line_optimized(struct show_line* show_state, const char* line, size_t cursor);
|
|
void show_line(struct show_line* show_state, const char* line, size_t cursor);
|
|
void show_line_clear(struct show_line* show_state);
|
|
void show_line_abort(struct show_line* show_state);
|
|
void show_line_finish(struct show_line* show_state);
|
|
|
|
#endif
|