zheiling/BBS-Client-TUI
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text edit: move cursor logic (not finished).

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zheiling
2026-07-15 18:24:47 +03:00
parent bee3921c62
commit 84ab8a3777
7 changed files with 78 additions and 50 deletions
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src/windows/text_edit.c
+32 -6
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@@ -7,7 +7,9 @@
#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>
@@ -16,6 +18,8 @@
#include "text_edit.h"
#include "widget_core.h"
/* TODO: create dynamic array of endline positions */
static void w_te_cb(w_cb_args_t *args) {
app_t *app = args->app;
int32_t key = *((int32_t *)args->data);
@@ -25,6 +29,15 @@ static void w_te_cb(w_cb_args_t *args) {
case KEY_DL:
fui->text[fui->text_len--] = 0;
break;
case KEY_UP:
fui->cur_shift_pos.y--;
wchar_t *nl_ptr = NULL;
wchar_t *line_start = fui->text;
break;
case KEY_DOWN:
fui->cur_shift_pos.y++;
break;
default:
fui->text[fui->text_len++] = key;
fui->text[fui->text_len] = 0;
@@ -74,6 +87,8 @@ static int32_t process_user_input(app_t *app, w_cb_args_t *d_args) {
void w_te_reset_app(void *app);
w_te_ui_t *w_te_init_win(app_t *app) {
wchar_t top_text[INBUFSIZE];
int top_text_len = 0;
w_te_ui_t *fui = malloc(sizeof(w_te_ui_t));
app->main_ui.ui = fui;
app->main_ui.type = mw_f_desc;
@@ -86,19 +101,24 @@ w_te_ui_t *w_te_init_win(app_t *app) {
app->active_callback = w_te_cb;
fui->w.callback = w_te_cb;
w_init(&(fui->w), NULL, &(app->win), "");
fui->file_ptr = app->query_args->file;
fui->w.sz.x = getmaxx(app->win);
fui->w.sz.y = getmaxy(app->win);
fui->w.parent_win = &(app->win);
/* * INIT UI * */
fui->win = newwin(fui->w.sz.y - 4, fui->w.sz.x - 2, 2, 1);
top_text_len =
swprintf(top_text, INBUFSIZE, L"Description: %s", fui->file_ptr->name);
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;
return fui;
}
void w_te_reset(w_te_ui_t *fl_ui) {
fl_ui->text[0] = 0;
fl_ui->cur_pos.x = 0;
fl_ui->cur_pos.y = 0;
fl_ui->cur_shift_pos.x = 0;
fl_ui->cur_shift_pos.y = 0;
fl_ui->text_len = 0;
}
@@ -132,20 +152,26 @@ void w_te_draw(w_te_ui_t *fui) {
wchar_t *nl_ptr = wcschr(cur_ptr, '\n');
if (nl_ptr == NULL) {
mvwaddnwstr(win, p_y++, p_x, cur_ptr, fui->text_len);
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) {
mvwaddnwstr(win, p_y++, p_x, cur_ptr, wcslen(cur_ptr));
int tlen = wcslen(cur_ptr);
mvwaddnwstr(win, p_y, p_x, cur_ptr, tlen);
p_x += tlen;
break;
}
}
}
fui->cur_pos.y = i;
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);
p_x = 1;