text edit window [initial]

src/windows/main_window.c

@@ -4,6 +4,7 @@
 #include "main_window.h"
 #include "file_list.h"
 #include "fs_file_list.h"
+#include "text_edit.h"
 
 void main_window_set(app_t *app, enum main_window_type type) {
   if (app->main_ui.ui != NULL) {
@@ -19,6 +20,7 @@ void main_window_set(app_t *app, enum main_window_type type) {
     w_lfl_init_win(app);
     break;
   case mw_f_desc:
+    w_te_init_win(app);
     break;
   default:
     break;
@@ -34,6 +36,7 @@ void main_window_draw(app_t *app) {
     w_lfl_draw((w_lfl_ui_t *)app->main_ui.ui);
     break;
   case mw_f_desc:
+    w_te_draw((w_te_ui_t *) app->main_ui.ui);
     break;
   }
   app_draw_bbar(app);
@@ -48,6 +51,7 @@ void main_window_destroy(app_t *app) {
     w_lfl_destroy((w_lfl_ui_t **)&(app->main_ui.ui));
     break;
   case mw_f_desc:
+    w_te_destroy((w_te_ui_t **) &(app->main_ui.ui));
     break;
   }
   MAIN_UI_RESET(app);

src/windows/text_edit.c

@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
+#include <dirent.h>
+#include <fcntl.h>
+#include <ncursesw/ncurses.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <utils.h>
+
+#include "text_edit.h"
+#include "widget_core.h"
+
+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;
+  switch (key) {
+  case '\n':
+    // TODO: new line case
+    break;
+  case '\b':
+    // TODO: new line case
+    break;
+  default:
+    fui->text[fui->text_len++] = key;
+    fui->text[fui->text_len] = 0;
+  }
+}
+
+static void w_te_cb_refresh(void *data) {
+  app_t *app = (app_t *)data;
+  if (app->main_ui.type != mw_f_desc) {
+    return;
+  }
+  w_te_ui_t *fui = app->main_ui.ui;
+  wnoutrefresh(fui->win);
+}
+
+static struct action_key action_keys[] = {
+    {.key = "Esc", .title = "Back", .code = '\33'},
+    {.key = "F9", .title = "Quit", .code = KEY_F(9)},
+};
+
+static int32_t process_user_input(app_t *app, w_cb_args_t *d_args) {
+  int32_t c;
+  w_te_ui_t *fui = (w_te_ui_t *)app->query_args->main_ui->ui;
+  c = wgetch(app->win);
+  switch (c) {
+  case KEY_F(9):
+    app_destroy(app, 0);
+    return OK;
+  case 'D':
+  case 'd':
+  // case '\33': /* ESC key */
+  //   if (!app->modal.is_initiated) {
+  //     server_send_string(app->query_args, "file list %d %d\n",
+  //                        fui->max_lines - 1, 1);
+  //     main_window_set(app, mw_fl_server);
+  //     d_args->element = app->main_ui.ui;
+  //     break;
+  //   }
+  default:
+    d_args->data = (void *)&c;
+    app->active_callback(d_args);
+    break;
+  }
+  return OK;
+}
+
+void w_te_reset_app(void *app);
+
+w_te_ui_t *w_te_init_win(app_t *app) {
+  w_te_ui_t *fui = malloc(sizeof(w_te_ui_t));
+  app->main_ui.ui = fui;
+  app->main_ui.type = mw_f_desc;
+  app->main_ui.cb_ui_refresh = w_te_cb_refresh;
+  app->main_ui.b_keys = action_keys;
+  app->main_ui.b_keys_len = 2;
+  app->main_ui.cb_b_press = (w_cb_press_t)process_user_input;
+  app->main_ui.reset = w_te_reset_app;
+  app->main_ui.draw = (draw_f_t *)w_te_draw;
+  app->active_callback = w_te_cb;
+  fui->w.callback = w_te_cb;
+  w_init(&(fui->w), NULL, &(app->win), "");
+
+  fui->w.sz.x = getmaxx(app->win);
+  fui->w.sz.y = getmaxy(app->win);
+  fui->w.parent_win = &(app->win);
+  /* * INIT UI * */
+
+  /* define the width for each sub window */
+  int32_t left_w_x = app->coordinates.max_x / 10 * 5;
+  int32_t right_w_x = app->coordinates.max_x - left_w_x - 2;
+  return fui;
+}
+
+void w_te_reset(w_te_ui_t *fl_ui) {
+  fl_ui->text[0] = 0;
+  fl_ui->scroll_pos = 0;
+  fl_ui->text_len = 0;
+}
+
+void w_te_reset_app(void *app) {
+  app_t *_app = app;
+  w_te_ui_t *fl_ui = (w_te_ui_t *)_app->main_ui.ui;
+  w_te_reset(fl_ui);
+}
+
+void w_te_draw(w_te_ui_t *fui) {
+  int32_t sz_y, sz_x;
+  int32_t p_y, p_x;
+  WINDOW *win = fui->win;
+  getmaxyx(win, sz_y, sz_x);
+  int32_t sz_y_f = sz_y - 1; // actual size (without box)
+  int32_t sz_x_f = sz_x - 1; // actual size (without box)
+
+  p_y = 1;
+  p_x = 1;
+
+  for (int i = 0; i < fui->w.sz.y; i++) {
+    mvwaddnwstr(win, p_y, p_x, fui->text + fui->w.sz.x * i, fui->w.sz.x);
+  }
+
+  box(fui->win, 0, 0);
+  p_x = 1;
+
+  wattroff(win, A_BOLD);
+  curs_set(false);
+}
+
+void w_te_destroy(w_te_ui_t **fui) {
+  w_te_ui_t *f = *fui;
+  free(*fui);
+  *fui = NULL;
+}

src/windows/text_edit.h

@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
+#ifndef W_TEXT_EDIT_H /* LOCAL FILE LIST */
+#define W_TEXT_EDIT_H
+
+#include "../app.h"
+#include <stddef.h>
+#include <wchar.h>
+#include <widget_core.h>
+#include <ncursesw/ncurses.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+typedef struct {
+    w_t w;
+    WINDOW *win;
+    wchar_t text[INBUFSIZE * 10];
+    int text_len;
+    int scroll_pos;
+    void *file_pt; // TODO: уточнить
+} w_te_ui_t;
+
+void        w_te_draw(w_te_ui_t *fl_ui);
+void        w_te_destroy(w_te_ui_t **fui);
+void        w_te_reset(w_te_ui_t *fl_ui);
+w_te_ui_t  *w_te_init(WINDOW **win, w_t *w_parent);
+w_te_ui_t  *w_te_init_win(app_t *app);
+
+#endif