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text edit: new line processing mechanism [not finished]

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zheiling
2026-07-17 16:43:11 +03:00
parent 84ab8a3777
commit 35c666126e
5 changed files with 151 additions and 35 deletions
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src/windows/text_edit.c
+52 -31
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@@ -7,9 +7,7 @@
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <utils.h>
@@ -20,27 +18,42 @@
/* TODO: create dynamic array of endline positions */
/*
Массив d_array, состоящие из элементов, описывающий строки.
В строках записывать: длину, номер строки.
*/
static void w_te_cb(w_cb_args_t *args) {
app_t *app = args->app;
int32_t key = *((int32_t *)args->data);
w_te_ui_t *fui = app->query_args->main_ui->ui;
w_te_ui_line_t *line = NULL;
switch (key) {
case KEY_BACKSPACE:
case KEY_DL:
fui->text[fui->text_len--] = 0;
fui->line[fui->line_len--] = 0;
break;
case KEY_UP:
fui->cur_shift_pos.y--;
wchar_t *nl_ptr = NULL;
wchar_t *line_start = fui->text;
wchar_t *line_start = fui->line;
break;
case KEY_DOWN:
fui->cur_shift_pos.y++;
break;
case '\n':
line = malloc(sizeof (w_te_ui_line_t));
line->text = malloc(sizeof (wchar_t ) * (fui->line_len + 1));
wcscpy(line->text, fui->line);
line->capacity = line->len = fui->line_len;
u_d_array_append(&(fui->lines_arr), fui->line, fui->line_len);
fui->line[0] = 0;
fui->line_len = 0;
break;
default:
fui->text[fui->text_len++] = key;
fui->text[fui->text_len] = 0;
fui->line[fui->line_len++] = key;
fui->line[fui->line_len] = 0;
}
}
@@ -112,14 +125,15 @@ w_te_ui_t *w_te_init_win(app_t *app) {
app->top_text = malloc(sizeof(wchar_t) * (top_text_len + 1));
wcsncpy(app->top_text, top_text, top_text_len);
app->top_text[top_text_len] = 0;
u_d_arr_ptr_init(&(fui->lines_arr), INBUFSIZE);
return fui;
}
void w_te_reset(w_te_ui_t *fl_ui) {
fl_ui->text[0] = 0;
fl_ui->cur_shift_pos.x = 0;
fl_ui->cur_shift_pos.y = 0;
fl_ui->text_len = 0;
void w_te_reset(w_te_ui_t *fui) {
fui->line[0] = 0;
fui->cur_shift_pos.x = 0;
fui->cur_shift_pos.y = 0;
fui->line_len = 0;
}
void w_te_reset_app(void *app) {
@@ -146,32 +160,39 @@ void w_te_draw(w_te_ui_t *fui) {
mvwprintw(win, p_y + i, p_x, "%*s", fui->w.sz.x, "");
}
int len_rest = fui->text_len;
int len_rest = fui->line_len;
wchar_t *cur_ptr = fui->text;
wchar_t *cur_ptr = fui->line;
wchar_t *nl_ptr = wcschr(cur_ptr, '\n');
if (nl_ptr == NULL) {
mvwaddnwstr(win, p_y, p_x, cur_ptr, fui->text_len);
p_x += fui->text_len;
} else {
while (true) {
mvwaddnwstr(win, p_y++, p_x, cur_ptr, nl_ptr - cur_ptr);
cur_ptr = nl_ptr + 1;
nl_ptr = wcschr(cur_ptr, '\n');
if (nl_ptr == NULL) {
int tlen = wcslen(cur_ptr);
mvwaddnwstr(win, p_y, p_x, cur_ptr, tlen);
p_x += tlen;
break;
}
}
// if (nl_ptr == NULL) {
// mvwaddnwstr(win, p_y, p_x, cur_ptr, fui->line_len);
// p_x += fui->line_len;
// } else {
// while (true) {
// mvwaddnwstr(win, p_y++, p_x, cur_ptr, nl_ptr - cur_ptr);
// cur_ptr = nl_ptr + 1;
// nl_ptr = wcschr(cur_ptr, '\n');
// if (nl_ptr == NULL) {
// int tlen = wcslen(cur_ptr);
// mvwaddnwstr(win, p_y, p_x, cur_ptr, tlen);
// p_x += tlen;
// break;
// }
// }
// }
w_te_ui_line_t *line_arr_el = NULL;
for (int i = 0; i < fui->lines_arr.length; i++) {
line_arr_el = (w_te_ui_line_t *) fui->lines_arr.arr[i];
mvwaddnwstr(win, p_y++, p_x, line_arr_el->text, line_arr_el->len);
}
mvwaddnwstr(win, p_y, p_x, fui->line, fui->line_len);
fui->cur_abs_pos.y = p_y;
fui->cur_abs_pos.x = p_x;
wmove(win, fui->cur_abs_pos.y + fui->cur_shift_pos.y, fui->cur_abs_pos.x + fui->cur_shift_pos.x);
wmove(win, fui->cur_abs_pos.y + fui->cur_shift_pos.y,
fui->cur_abs_pos.x + fui->cur_shift_pos.x);
p_x = 1;