340 lines
10 KiB
C
340 lines
10 KiB
C
/* SPDX-License-Identifier: MIT */
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/* Copyright (c) 2026 Oleksandr Zhylin */
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#include <dirent.h>
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#include <fcntl.h>
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#include <ncursesw/ncurses.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <utils.h>
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#include <wchar.h>
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#include <core/file_processor.h>
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#include <core/server.h>
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#include <core/app.h>
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#include "d_array.h"
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#include "file_list.h"
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#include "text_edit.h"
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#include "widget_core.h"
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#include "main_window.h"
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/* TODO: расширять capacity линии при достижении лимита */
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#define INACTIVE_LINES 5
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static void line_destroy_cb(void *line_arg) {
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w_te_ui_line_t *line = line_arg;
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free(line->text);
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free(line);
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}
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static void w_te_cb(w_cb_args_t *args) {
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app_t *app = args->app;
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int32_t key = *((int32_t *)args->data);
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w_te_ui_t *fui = app->query_args->main_ui->ui;
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w_te_ui_line_t *new_line = NULL;
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switch (key) {
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case KEY_BACKSPACE:
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case KEY_DL:
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if (fui->cur_line->len == 0)
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break;
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if (fui->cur_line_pos == fui->cur_line->len && fui->cur_line->len > 0) {
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fui->cur_line->text[--fui->cur_line_pos] = 0;
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fui->cur_line->len--;
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} else if (fui->cur_line_idx > 0) {
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new_line = fui->lines_arr.arr[fui->cur_line_idx - 1];
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if (fui->cur_line_pos == 0 && fui->cur_line->len > 0) {
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wcscpy(new_line->text + new_line->len, fui->cur_line->text);
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fui->cur_line_pos = new_line->len;
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new_line->len += fui->cur_line->len;
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} else {
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fui->cur_line_pos = new_line->len;
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}
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u_d_arr_ptr_remove_cb(&(fui->lines_arr), fui->cur_line, fui->cur_line_idx,
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&line_destroy_cb);
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fui->cur_line = fui->lines_arr.arr[--fui->cur_line_idx];
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fui->lines_count--;
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} else {
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int n = fui->cur_line->len - fui->cur_line_pos + 1;
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memmove(fui->cur_line->text + fui->cur_line_pos - 1,
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fui->cur_line->text + fui->cur_line_pos, n * sizeof(wchar_t));
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fui->cur_line->len--;
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fui->cur_line_pos--;
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}
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fui->sym_count--;
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break;
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case KEY_UP:
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if (fui->cur_line_idx > 0) {
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fui->cur_line = fui->lines_arr.arr[--fui->cur_line_idx];
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fui->cur_line_pos = fui->cur_line->len;
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if ((fui->cur_line_idx > 0) &&
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(fui->cur_line_idx - fui->lines_top_indent == 0)) {
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fui->lines_top_indent--;
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}
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}
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break;
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case KEY_DOWN:
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if ((fui->lines_arr.arr[fui->cur_line_idx + 1] != NULL)) {
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fui->cur_line = fui->lines_arr.arr[++fui->cur_line_idx];
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fui->cur_line_pos = fui->cur_line->len;
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if (fui->cur_line_idx >=
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fui->lines_top_indent + fui->w.sz.y - INACTIVE_LINES) {
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fui->lines_top_indent++;
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}
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}
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break;
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case KEY_LEFT:
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if (fui->cur_line_pos > 0) {
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fui->cur_line_pos--;
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} else if (fui->cur_line_idx > 0) { /* ACT LIKE KEY TOP */
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fui->cur_line = fui->lines_arr.arr[--fui->cur_line_idx];
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fui->cur_line_pos = fui->cur_line->len;
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if ((fui->cur_line_idx > 0) &&
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(fui->cur_line_idx - fui->lines_top_indent == 0)) {
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fui->lines_top_indent--;
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}
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}
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break;
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case KEY_RIGHT:
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if (fui->cur_line_pos < fui->cur_line->len) {
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fui->cur_line_pos++;
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} else if ((fui->lines_arr.arr[fui->cur_line_idx + 1] !=
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NULL)) { /* ACT LIKE KEY BOTTOM */
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fui->cur_line = fui->lines_arr.arr[++fui->cur_line_idx];
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fui->cur_line_pos = fui->cur_line->len;
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if (fui->cur_line_idx >=
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fui->lines_top_indent + fui->w.sz.y - INACTIVE_LINES) {
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fui->lines_top_indent++;
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}
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}
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break;
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case '\n':
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new_line = malloc(sizeof(w_te_ui_line_t));
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new_line->text = malloc(sizeof(wchar_t) * INBUFSIZE);
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new_line->capacity = new_line->len = INBUFSIZE;
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new_line->text[0] = 0;
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new_line->len = 0;
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if (fui->cur_line_pos != 0) {
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u_d_arr_ptr_add(&(fui->lines_arr), new_line, fui->cur_line_idx + 1);
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wcscpy(new_line->text, fui->cur_line->text + fui->cur_line_pos);
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new_line->len = fui->cur_line->len - fui->cur_line_pos;
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fui->cur_line->text[fui->cur_line_pos] = 0;
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fui->cur_line->len -= new_line->len;
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} else {
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u_d_array_append(&(fui->lines_arr), new_line, sizeof(w_te_ui_line_t));
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}
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fui->cur_line_pos = 0;
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fui->cur_line = new_line;
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fui->cur_line_idx++;
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fui->sym_count++;
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fui->lines_count++;
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if (fui->cur_line_idx >= fui->w.sz.y - INACTIVE_LINES) {
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fui->lines_top_indent++;
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}
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break;
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default:
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key = u_utf8_get_full_letter(key, app->win);
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if (fui->cur_line_pos == fui->cur_line->len) {
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fui->cur_line->text[fui->cur_line_pos++] = key;
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fui->cur_line->text[fui->cur_line_pos] = 0;
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} else {
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int n = fui->cur_line->len - fui->cur_line_pos + 1;
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memmove(fui->cur_line->text + fui->cur_line_pos + 1,
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fui->cur_line->text + fui->cur_line_pos, n * sizeof(wchar_t));
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fui->cur_line->text[fui->cur_line_pos++] = key;
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}
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fui->sym_count++;
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fui->cur_line->len++;
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}
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}
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static void w_te_cb_refresh(void *data) {
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app_t *app = (app_t *)data;
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if (app->main_ui.type != mw_f_desc) {
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return;
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}
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w_te_ui_t *fui = app->main_ui.ui;
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wnoutrefresh(fui->win);
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}
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static struct action_key action_keys[] = {
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{.key = "Esc", .title = "Back", .code = '\33'},
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{.key = "F2", .title = "Save", .code = KEY_F(2)},
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{.key = "F8", .title = "Cancel", .code = KEY_F(8)},
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{.key = "F9", .title = "Quit", .code = KEY_F(9)},
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};
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void callback_after_notification(app_t *app) {
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clear_file_in_query(app->query_args);
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int a_len;
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main_window_set(app, mw_fl_server);
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w_ui_file_list_t *fui = app->main_ui.ui;
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server_send_string(app->query_args, "file list %d %d\n%n", fui->max_lines,
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fui->current_page, &a_len);
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app->query_args->state = S_FILE_LIST;
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}
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static int32_t process_user_input(app_t *app, w_cb_args_t *d_args) {
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int32_t c;
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w_te_ui_t *fui = (w_te_ui_t *)app->query_args->main_ui->ui;
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c = wgetch(app->win);
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int text_pos = 0;
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w_te_ui_line_t *arr_line = NULL;
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switch (c) {
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case KEY_F(9):
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app_destroy(app, 0);
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return OK;
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case KEY_F(2):
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/* TODO: move to description edit */
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app->query_args->file->description =
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malloc(sizeof(wchar_t) * (fui->sym_count + 9));
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for (int i = 0; i < fui->lines_count; i++) {
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arr_line = fui->lines_arr.arr[i];
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text_pos += wcstombs(app->query_args->file->description + text_pos,
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arr_line->text, arr_line->len);
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app->query_args->file->description[text_pos++] = '\n';
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}
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// app->query_args->file->description[--text_pos] = '\03'; /* ETX symbol */
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app->query_args->file->description[text_pos] = '\03'; /* ETX symbol */
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strncpy(app->query_args->file->description + text_pos, ":END:\n",
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sizeof(":END:\n"));
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server_send_string(app->query_args, app->query_args->file->description);
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app->query_args->state = S_WAIT_SERVER;
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app->callback_after_notification = callback_after_notification;
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/* Save */
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break;
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case KEY_F(8):
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server_send_string(app->query_args, "[Empty description]\n:END:\n");
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app->query_args->state = S_WAIT_SERVER;
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app->callback_after_notification = callback_after_notification;
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/* Cancel */
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break;
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default:
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d_args->data = (void *)&c;
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app->active_callback(d_args);
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break;
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}
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return OK;
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}
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void w_te_reset_app(void *app);
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w_te_ui_t *w_te_init_win(app_t *app) {
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wchar_t top_text[INBUFSIZE];
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int top_text_len = 0;
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w_te_ui_t *fui = malloc(sizeof(w_te_ui_t));
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app->main_ui.ui = fui;
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app->main_ui.type = mw_f_desc;
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app->main_ui.cb_ui_refresh = w_te_cb_refresh;
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app->main_ui.b_keys = action_keys;
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app->main_ui.b_keys_len = 4;
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app->main_ui.cb_b_press = (w_cb_press_t)process_user_input;
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app->main_ui.reset = w_te_reset_app;
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app->main_ui.draw = (draw_f_t *)w_te_draw;
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app->active_callback = w_te_cb;
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fui->w.callback = w_te_cb;
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w_init(&(fui->w), NULL, &(app->win), "");
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fui->file_ptr = app->query_args->file;
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fui->w.sz.x = getmaxx(app->win);
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fui->w.sz.y = getmaxy(app->win);
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fui->w.parent_win = &(app->win);
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/* * INIT UI * */
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fui->win = newwin(fui->w.sz.y - 4, fui->w.sz.x - 2, 2, 1);
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top_text_len =
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swprintf(top_text, INBUFSIZE, L"Description: %s", fui->file_ptr->name);
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app->top_text = malloc(sizeof(wchar_t) * (top_text_len + 1));
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wcsncpy(app->top_text, top_text, top_text_len);
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app->top_text[top_text_len] = 0;
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u_d_arr_ptr_init(&(fui->lines_arr), INBUFSIZE);
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fui->cur_line = malloc(sizeof(w_te_ui_line_t));
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fui->cur_line->text = malloc(INBUFSIZE * sizeof(wchar_t));
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fui->cur_line->len = 0;
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fui->cur_line->capacity = INBUFSIZE;
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u_d_array_append(&(fui->lines_arr), fui->cur_line, sizeof(w_te_ui_line_t));
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fui->cur_line_idx = 0;
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fui->sym_count = 0;
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fui->lines_count = 1;
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fui->lines_top_indent = 0;
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fui->cur_line_pos = 0;
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return fui;
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}
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void w_te_reset(w_te_ui_t *fui) {
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fui->cur_line_pos = 0;
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fui->sym_count = 0;
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fui->lines_count = 1;
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fui->lines_top_indent = 0;
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u_d_arr_free_cb(&(fui->lines_arr), line_destroy_cb);
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}
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void w_te_reset_app(void *app) {
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app_t *_app = app;
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w_te_ui_t *fl_ui = (w_te_ui_t *)_app->main_ui.ui;
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w_te_reset(fl_ui);
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}
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void w_te_draw(w_te_ui_t *fui) {
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int32_t sz_y, sz_x;
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int32_t p_y, p_x;
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WINDOW *win = fui->win;
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getmaxyx(win, sz_y, sz_x);
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int32_t sz_y_f = sz_y - 1; // actual size (without box)
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int32_t sz_x_f = sz_x - 1; // actual size (without box)
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p_y = 0;
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p_x = 0;
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wattrset(win, COLOR_PAIR(modal_color_pair) | A_BOLD | A_REVERSE);
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int i = 0;
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for (i = 0; i < fui->w.sz.y - INACTIVE_LINES; i++) {
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mvwprintw(win, p_y + i, p_x, "%*s", fui->w.sz.x, "");
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}
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wattrset(win, COLOR_PAIR(modal_color_pair) | A_BOLD);
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int len = 0;
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mvwprintw(win, p_y + i, p_x, "LC: %d SC: %d L: %d P: %d%n", fui->lines_count,
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fui->sym_count, fui->cur_line_idx + 1, fui->cur_line_pos + 1, &len);
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mvwprintw(win, p_y + i, p_x + len, "%*s", fui->w.sz.x - len, "");
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wattrset(win, COLOR_PAIR(modal_color_pair) | A_BOLD | A_REVERSE);
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w_te_ui_line_t *line_arr_el = NULL;
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if (fui->lines_arr.length > 0) {
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for (i = fui->lines_top_indent;
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i < fui->lines_arr.length &&
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i < fui->lines_top_indent + fui->w.sz.y - INACTIVE_LINES;
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i++) {
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line_arr_el = (w_te_ui_line_t *)fui->lines_arr.arr[i];
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mvwaddnwstr(win, p_y++, p_x, line_arr_el->text, line_arr_el->len);
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}
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}
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p_y--;
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wmove(win, fui->cur_line_idx - fui->lines_top_indent, fui->cur_line_pos);
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p_x = 1;
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wattroff(win, A_BOLD);
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curs_set(true);
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}
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void w_te_destroy(w_te_ui_t **fui) {
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w_te_ui_t *_fui = *fui;
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u_d_arr_free_cb(&(_fui->lines_arr), line_destroy_cb);
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free(*fui);
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*fui = NULL;
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} |