69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* line_edit_actions2.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/07/11 18:24:49 by maiboyer #+# #+# */
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/* Updated: 2024/07/30 18:16:52 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "line/_line_functions.h"
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#include "line/_line_internal.h"
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#include "line/_line_structs.h"
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#include "me/mem/mem.h"
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#include "me/str/str.h"
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#include "me/vec/vec_str.h"
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/* Substitute the currently edited line with the next or previous history
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* entry as specified by 'dir'. */
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void line_edit_history_next(t_line_state *state,
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t_history_direction direction)
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{
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t_vec_str *history;
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t_isize dir;
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history = get_history();
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if (history->len > 1)
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{
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mem_free(history->buffer[history->len - 1 - state->history_index]);
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history->buffer[history->len - 1
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- state->history_index] = str_clone(state->buf.buf);
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dir = -1;
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if (direction == HIST_PREV)
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dir = 1;
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state->history_index += dir;
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if (state->history_index < 0)
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return ((void)(state->history_index = 0));
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else if ((t_usize)state->history_index >= history->len)
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return ((void)(state->history_index = history->len - 1));
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string_clear(&state->buf);
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string_push(&state->buf, history->buffer[history->len - 1
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- state->history_index]);
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state->pos = state->buf.len;
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line_refresh_line(state);
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}
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}
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/* Delete the character at the right of the cursor without altering the cursor
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* position. Basically this is what happens with the "Delete" keyboard key. */
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void line_edit_delete(t_line_state *state)
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{
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string_remove(&state->buf, state->pos, NULL);
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line_refresh_line(state);
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}
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// use this to print when a backspace
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// fprintf(stderr, "\x1b[A\x1b[A\x1b[D backspace \x1b[B\x1b[B\x1b[10D");
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/* Backspace implementation. */
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void line_edit_backspace(t_line_state *state)
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{
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if (state->pos > 0)
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{
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string_remove(&state->buf, state->pos - 1, NULL);
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state->pos--;
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line_refresh_line(state);
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}
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}
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