minishell/line/src/line_edit_actions.c
2024-07-11 18:35:56 +02:00

71 lines
2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* line_edit_actions.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/11 18:24:03 by maiboyer #+# #+# */
/* Updated: 2024/07/11 18:24:20 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "line/_line_functions.h"
#include "line/_line_structs.h"
/* Insert the character 'c' at cursor current position.
*
* On error writing to the terminal -1 is returned, otherwise 0. */
t_error line_edit_insert(t_line_state *state, char c)
{
if (state->pos == state->buf.len)
{
if (string_push_char(&state->buf, c))
return (ERROR);
}
else if (string_insert_char(&state->buf, state->pos, c))
return (ERROR);
state->pos++;
line_refresh_line(state);
return (NO_ERROR);
}
/* Move cursor on the left. */
void line_edit_move_left(t_line_state *state)
{
if (state->pos > 0)
{
state->pos--;
line_refresh_line(state);
}
}
/* Move cursor on the right. */
void line_edit_move_right(t_line_state *state)
{
if (state->pos != state->buf.len)
{
state->pos++;
line_refresh_line(state);
}
}
/* Move cursor to the start of the line. */
void line_edit_move_home(t_line_state *state)
{
if (state->pos != 0)
{
state->pos = 0;
line_refresh_line(state);
}
}
/* Move cursor to the end of the line. */
void line_edit_move_end(t_line_state *state)
{
if (state->pos != state->buf.len)
{
state->pos = state->buf.len;
line_refresh_line(state);
}
}