| 1 |
/*************************************************************************** |
/* SPDX-License-Identifier: GPL-3.0-or-later */ |
| 2 |
screen.c - description |
/* |
| 3 |
------------------- |
* screen |
| 4 |
Copyright : (C) 2004-2025 by Leaflet |
* - advanced telnet-based user interactive input / output features |
| 5 |
Email : leaflet@leafok.com |
* |
| 6 |
***************************************************************************/ |
* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com> |
| 7 |
|
*/ |
|
/*************************************************************************** |
|
|
* * |
|
|
* This program is free software; you can redistribute it and/or modify * |
|
|
* it under the terms of the GNU General Public License as published by * |
|
|
* the Free Software Foundation; either version 3 of the License, or * |
|
|
* (at your option) any later version. * |
|
|
* * |
|
|
***************************************************************************/ |
|
| 8 |
|
|
| 9 |
#include "bbs.h" |
#include "bbs.h" |
| 10 |
#include "common.h" |
#include "common.h" |
| 11 |
#include "str_process.h" |
#include "editor.h" |
| 12 |
#include "log.h" |
#include "file_loader.h" |
| 13 |
#include "io.h" |
#include "io.h" |
| 14 |
|
#include "log.h" |
| 15 |
|
#include "login.h" |
| 16 |
#include "screen.h" |
#include "screen.h" |
| 17 |
#include <string.h> |
#include "str_process.h" |
| 18 |
#include <ctype.h> |
#include <ctype.h> |
| 19 |
#include <sys/types.h> |
#include <errno.h> |
| 20 |
#include <sys/stat.h> |
#include <fcntl.h> |
| 21 |
#include <unistd.h> |
#include <string.h> |
| 22 |
#include <stdlib.h> |
#include <stdlib.h> |
| 23 |
|
#include <unistd.h> |
| 24 |
|
#include <sys/param.h> |
| 25 |
|
#include <sys/stat.h> |
| 26 |
|
#include <sys/shm.h> |
| 27 |
|
#include <sys/types.h> |
| 28 |
|
|
| 29 |
#define ACTIVE_BOARD_HEIGHT 8 |
#define ACTIVE_BOARD_HEIGHT 8 |
| 30 |
|
|
| 31 |
int screen_rows = 24; |
#define STR_TOP_LEFT_MAX_LEN 80 |
| 32 |
int screen_cols = 80; |
#define STR_TOP_MIDDLE_MAX_LEN 40 |
| 33 |
|
#define STR_TOP_RIGHT_MAX_LEN 80 |
| 34 |
|
|
| 35 |
|
static size_t get_time_str(char *s, size_t len) |
| 36 |
|
{ |
| 37 |
|
time_t curtime; |
| 38 |
|
struct tm local_tm; |
| 39 |
|
|
| 40 |
|
time(&curtime); |
| 41 |
|
localtime_r(&curtime, &local_tm); |
| 42 |
|
size_t j = strftime(s, len, "%m/%d %H:%M %Z", &local_tm); |
| 43 |
|
|
| 44 |
|
return j; |
| 45 |
|
} |
| 46 |
|
|
| 47 |
void moveto(int row, int col) |
void moveto(int row, int col) |
| 48 |
{ |
{ |
| 58 |
|
|
| 59 |
void clrtoeol() |
void clrtoeol() |
| 60 |
{ |
{ |
| 61 |
prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 62 |
} |
} |
| 63 |
|
|
| 64 |
void clrline(int line_begin, int line_end) |
void clrline(int line_begin, int line_end) |
| 68 |
for (i = line_begin; i <= line_end; i++) |
for (i = line_begin; i <= line_end; i++) |
| 69 |
{ |
{ |
| 70 |
moveto(i, 0); |
moveto(i, 0); |
| 71 |
prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 72 |
} |
} |
| 73 |
} |
} |
| 74 |
|
|
| 85 |
moveto(0, 0); |
moveto(0, 0); |
| 86 |
} |
} |
| 87 |
|
|
| 88 |
int press_any_key() |
inline int press_any_key() |
| 89 |
|
{ |
| 90 |
|
return press_any_key_ex(" \033[1;33m按任意键继续...\033[m", 60); |
| 91 |
|
} |
| 92 |
|
|
| 93 |
|
int press_any_key_ex(const char *msg, int sec) |
| 94 |
{ |
{ |
| 95 |
moveto(screen_rows, 0); |
int ch = 0; |
| 96 |
|
int duration = 0; |
| 97 |
|
time_t t_begin = time(NULL); |
| 98 |
|
|
| 99 |
|
moveto(SCREEN_ROWS, 0); |
| 100 |
clrtoeol(); |
clrtoeol(); |
| 101 |
|
|
| 102 |
prints(" \033[1;33m...\033[0;37m"); |
prints(msg); |
| 103 |
iflush(); |
iflush(); |
| 104 |
|
|
| 105 |
return igetch_t(60); |
igetch_reset(); |
| 106 |
|
|
| 107 |
|
do |
| 108 |
|
{ |
| 109 |
|
ch = igetch_t(sec - duration); |
| 110 |
|
duration = (int)(time(NULL) - t_begin); |
| 111 |
|
} while (!SYS_server_exit && ch == 0 && duration < 60); |
| 112 |
|
|
| 113 |
|
return ch; |
| 114 |
} |
} |
| 115 |
|
|
| 116 |
void set_input_echo(int echo) |
void set_input_echo(int echo) |
| 118 |
if (echo) |
if (echo) |
| 119 |
{ |
{ |
| 120 |
outc('\x83'); // ASCII code 131 |
outc('\x83'); // ASCII code 131 |
|
iflush(); |
|
| 121 |
} |
} |
| 122 |
else |
else |
| 123 |
{ |
{ |
| 124 |
// outc ('\x85'); // ASCII code 133 |
// outc ('\x85'); // ASCII code 133 |
| 125 |
prints("\xff\xfb\x01\xff\xfb\x03"); |
prints("\xff\xfb\x01\xff\xfb\x03"); |
|
iflush(); |
|
|
igetch(0); |
|
|
igetch(1); |
|
| 126 |
} |
} |
| 127 |
|
iflush(); |
| 128 |
} |
} |
| 129 |
|
|
| 130 |
static int _str_input(char *buffer, int buf_size, int echo_mode) |
static int _str_input(char *buffer, int buf_size, int max_display_len, int echo_mode) |
| 131 |
{ |
{ |
| 132 |
int c; |
int ch; |
| 133 |
int offset = 0; |
int offset = 0; |
| 134 |
int hz = 0; |
int eol; |
| 135 |
|
int display_len; |
| 136 |
|
char input_str[4]; |
| 137 |
|
int str_len = 0; |
| 138 |
|
char c; |
| 139 |
|
|
| 140 |
buffer[buf_size - 1] = '\0'; |
buffer[buf_size - 1] = '\0'; |
| 141 |
for (offset = 0; offset < buf_size - 1 && buffer[offset] != '\0'; offset++); |
offset = split_line(buffer, max_display_len, &eol, &display_len, 0); |
| 142 |
|
|
| 143 |
|
igetch_reset(); |
| 144 |
|
|
| 145 |
while ((c = igetch_t(60))) |
while (!SYS_server_exit) |
| 146 |
{ |
{ |
| 147 |
if (c == KEY_NULL || c == KEY_TIMEOUT || c == CR) |
ch = igetch_t(MIN(MAX_DELAY_TIME, 60)); |
| 148 |
|
|
| 149 |
|
if (ch == CR) |
| 150 |
{ |
{ |
|
igetch(1); // Cleanup remaining '\n' in the buffer |
|
| 151 |
break; |
break; |
| 152 |
} |
} |
| 153 |
if (c == LF) |
else if (ch == KEY_TIMEOUT || ch == KEY_NULL) // timeout or broken pipe |
| 154 |
|
{ |
| 155 |
|
return -1; |
| 156 |
|
} |
| 157 |
|
else if (ch == LF || ch == '\0') |
| 158 |
{ |
{ |
| 159 |
continue; |
continue; |
| 160 |
} |
} |
| 161 |
if (c == BACKSPACE) |
else if (ch == BACKSPACE) |
| 162 |
{ |
{ |
| 163 |
if (offset > 0) |
if (offset > 0) |
| 164 |
{ |
{ |
| 165 |
offset--; |
offset--; |
| 166 |
if (buffer[offset] < 0 || buffer[offset] > 127) |
if (buffer[offset] < 0 || buffer[offset] > 127) // UTF8 |
| 167 |
{ |
{ |
| 168 |
prints("\033[D \033[D"); |
while (offset > 0 && (buffer[offset] & 0xc0) != 0xc0) |
|
offset--; |
|
|
if (offset < 0) // should not happen |
|
| 169 |
{ |
{ |
| 170 |
log_error("Offset of buffer is negative\n"); |
offset--; |
|
offset = 0; |
|
| 171 |
} |
} |
| 172 |
|
display_len--; |
| 173 |
|
prints("\033[D \033[D"); |
| 174 |
} |
} |
| 175 |
buffer[offset] = '\0'; |
buffer[offset] = '\0'; |
| 176 |
|
display_len--; |
| 177 |
prints("\033[D \033[D"); |
prints("\033[D \033[D"); |
| 178 |
iflush(); |
iflush(); |
| 179 |
} |
} |
| 180 |
continue; |
continue; |
| 181 |
} |
} |
| 182 |
if (c > 255 || iscntrl(c)) |
else if (ch > 255 || iscntrl(ch)) |
| 183 |
{ |
{ |
| 184 |
continue; |
continue; |
| 185 |
} |
} |
| 186 |
if (c > 127 && c <= 255) |
else if ((ch & 0xff80) == 0x80) // head of multi-byte character |
| 187 |
{ |
{ |
| 188 |
if (!hz && offset + 2 > buf_size - 1) // No enough space for Chinese character |
str_len = 0; |
| 189 |
|
c = (char)(ch & 0xf0); |
| 190 |
|
while (c & 0x80) |
| 191 |
|
{ |
| 192 |
|
input_str[str_len] = (char)(ch - 256); |
| 193 |
|
str_len++; |
| 194 |
|
c = (c & 0x7f) << 1; |
| 195 |
|
|
| 196 |
|
if ((c & 0x80) == 0) // Input completed |
| 197 |
|
{ |
| 198 |
|
break; |
| 199 |
|
} |
| 200 |
|
|
| 201 |
|
// Expect additional bytes of input |
| 202 |
|
ch = igetch(100); // 0.1 second |
| 203 |
|
if (ch == KEY_NULL || ch == KEY_TIMEOUT) // Ignore received bytes if no futher input |
| 204 |
|
{ |
| 205 |
|
#ifdef _DEBUG |
| 206 |
|
log_error("Ignore %d bytes of incomplete UTF8 character\n", str_len); |
| 207 |
|
#endif |
| 208 |
|
str_len = 0; |
| 209 |
|
break; |
| 210 |
|
} |
| 211 |
|
} |
| 212 |
|
|
| 213 |
|
if (str_len == 0) // Incomplete input |
| 214 |
|
{ |
| 215 |
|
continue; |
| 216 |
|
} |
| 217 |
|
|
| 218 |
|
if (offset + str_len > buf_size - 1 || display_len + 2 > max_display_len) // No enough space for Chinese character |
| 219 |
{ |
{ |
|
igetch(1); // Cleanup remaining input |
|
| 220 |
outc('\a'); |
outc('\a'); |
| 221 |
iflush(); |
iflush(); |
| 222 |
continue; |
continue; |
| 223 |
} |
} |
| 224 |
hz = (!hz); |
|
| 225 |
} |
memcpy(buffer + offset, input_str, (size_t)str_len); |
| 226 |
if (offset + 1 > buf_size - 1) |
offset += str_len; |
| 227 |
{ |
buffer[offset] = '\0'; |
| 228 |
outc('\a'); |
display_len += 2; |
| 229 |
iflush(); |
|
| 230 |
continue; |
switch (echo_mode) |
| 231 |
|
{ |
| 232 |
|
case DOECHO: |
| 233 |
|
prints(input_str); |
| 234 |
|
break; |
| 235 |
|
case NOECHO: |
| 236 |
|
prints("**"); |
| 237 |
|
break; |
| 238 |
|
} |
| 239 |
} |
} |
| 240 |
buffer[offset++] = (char)c; |
else if (ch >= 32 && ch < 127) // Printable character |
|
buffer[offset] = '\0'; |
|
|
switch (echo_mode) |
|
| 241 |
{ |
{ |
| 242 |
case DOECHO: |
if (offset + 1 > buf_size - 1 || display_len + 1 > max_display_len) |
| 243 |
outc((char)c); |
{ |
| 244 |
break; |
outc('\a'); |
| 245 |
case NOECHO: |
iflush(); |
| 246 |
outc('*'); |
continue; |
| 247 |
break; |
} |
| 248 |
|
|
| 249 |
|
buffer[offset++] = (char)ch; |
| 250 |
|
buffer[offset] = '\0'; |
| 251 |
|
display_len++; |
| 252 |
|
|
| 253 |
|
switch (echo_mode) |
| 254 |
|
{ |
| 255 |
|
case DOECHO: |
| 256 |
|
outc((char)ch); |
| 257 |
|
break; |
| 258 |
|
case NOECHO: |
| 259 |
|
outc('*'); |
| 260 |
|
break; |
| 261 |
|
} |
| 262 |
} |
} |
| 263 |
if (!hz) |
else // Invalid character |
| 264 |
{ |
{ |
| 265 |
iflush(); |
continue; |
| 266 |
} |
} |
| 267 |
|
|
| 268 |
|
iflush(); |
| 269 |
} |
} |
| 270 |
|
|
| 271 |
return offset; |
return offset; |
| 277 |
|
|
| 278 |
buffer[0] = '\0'; |
buffer[0] = '\0'; |
| 279 |
|
|
| 280 |
len = _str_input(buffer, buf_size, echo_mode); |
len = _str_input(buffer, buf_size, buf_size, echo_mode); |
| 281 |
|
|
| 282 |
prints("\r\n"); |
prints("\r\n"); |
| 283 |
iflush(); |
iflush(); |
| 284 |
|
|
| 285 |
return len; |
return len; |
| 286 |
}; |
} |
| 287 |
|
|
| 288 |
int get_data(int row, int col, char *prompt, char *buffer, int buf_size, int echo_mode) |
int get_data(int row, int col, char *prompt, char *buffer, int buf_size, int max_display_len) |
| 289 |
{ |
{ |
| 290 |
int len; |
int len = 0; |
| 291 |
|
int col_cur = 0; |
| 292 |
|
int ch; |
| 293 |
|
int offset = 0; |
| 294 |
|
int eol; |
| 295 |
|
int display_len; |
| 296 |
|
char input_str[4]; |
| 297 |
|
int str_len = 0; |
| 298 |
|
char c; |
| 299 |
|
|
| 300 |
igetch(1); // Cleanup input buffer |
buffer[buf_size - 1] = '\0'; |
| 301 |
|
offset = split_line(buffer, max_display_len, &eol, &display_len, 0); |
| 302 |
|
buffer[offset] = '\0'; |
| 303 |
|
len = offset; |
| 304 |
|
col_cur = col + str_length(prompt, 1) + display_len; |
| 305 |
|
|
| 306 |
moveto(row, col); |
moveto(row, col); |
| 307 |
prints(prompt); |
prints("%s", prompt); |
| 308 |
prints(buffer); |
prints("%s", buffer); |
| 309 |
|
prints("%*s", max_display_len - display_len, ""); |
| 310 |
|
moveto(row, col_cur); |
| 311 |
iflush(); |
iflush(); |
| 312 |
|
|
| 313 |
len = _str_input(buffer, buf_size, echo_mode); |
igetch_reset(); |
| 314 |
|
|
| 315 |
return len; |
while (!SYS_server_exit) |
| 316 |
} |
{ |
| 317 |
|
ch = igetch_t(MIN(MAX_DELAY_TIME, 60)); |
| 318 |
|
|
| 319 |
int display_file(const char *filename) |
if (ch == CR) |
| 320 |
{ |
{ |
| 321 |
char buffer[LINE_BUFFER_LEN]; |
break; |
| 322 |
FILE *fin; |
} |
| 323 |
size_t i; |
else if (ch == KEY_TIMEOUT || ch == KEY_NULL) // timeout or broken pipe |
| 324 |
|
{ |
| 325 |
|
return -1; |
| 326 |
|
} |
| 327 |
|
else if (ch == LF || ch == '\0') |
| 328 |
|
{ |
| 329 |
|
continue; |
| 330 |
|
} |
| 331 |
|
else if (ch == BACKSPACE) |
| 332 |
|
{ |
| 333 |
|
if (offset > 0) |
| 334 |
|
{ |
| 335 |
|
str_len = 1; |
| 336 |
|
offset--; |
| 337 |
|
if (buffer[offset] < 0 || buffer[offset] > 127) // UTF8 |
| 338 |
|
{ |
| 339 |
|
while (offset > 0 && (buffer[offset] & 0xc0) != 0xc0) |
| 340 |
|
{ |
| 341 |
|
str_len++; |
| 342 |
|
offset--; |
| 343 |
|
} |
| 344 |
|
display_len--; |
| 345 |
|
col_cur--; |
| 346 |
|
} |
| 347 |
|
|
| 348 |
if ((fin = fopen(filename, "r")) == NULL) |
memmove(buffer + offset, buffer + offset + str_len, (size_t)(len - offset - str_len)); |
| 349 |
{ |
len -= str_len; |
| 350 |
return -1; |
buffer[len] = '\0'; |
| 351 |
} |
display_len--; |
| 352 |
|
col_cur--; |
| 353 |
|
|
| 354 |
|
moveto(row, col_cur); |
| 355 |
|
prints("%s", buffer + offset); |
| 356 |
|
prints("%*s", max_display_len - display_len, ""); |
| 357 |
|
moveto(row, col_cur); |
| 358 |
|
iflush(); |
| 359 |
|
} |
| 360 |
|
continue; |
| 361 |
|
} |
| 362 |
|
else if (ch == KEY_DEL) |
| 363 |
|
{ |
| 364 |
|
if (offset < len) |
| 365 |
|
{ |
| 366 |
|
if ((buffer[offset] & 0x80) == 0x80) // head of multi-byte character |
| 367 |
|
{ |
| 368 |
|
str_len = 0; |
| 369 |
|
c = (char)(buffer[offset] & 0xf0); |
| 370 |
|
while (c & 0x80) |
| 371 |
|
{ |
| 372 |
|
str_len++; |
| 373 |
|
c = (c & 0x7f) << 1; |
| 374 |
|
} |
| 375 |
|
display_len--; |
| 376 |
|
} |
| 377 |
|
else |
| 378 |
|
{ |
| 379 |
|
str_len = 1; |
| 380 |
|
} |
| 381 |
|
|
| 382 |
while (fgets(buffer, sizeof(buffer) - 1, fin)) |
memmove(buffer + offset, buffer + offset + str_len, (size_t)(len - offset - str_len)); |
| 383 |
{ |
len -= str_len; |
| 384 |
i = strnlen(buffer, sizeof(buffer) - 1); |
buffer[len] = '\0'; |
| 385 |
if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') |
display_len--; |
| 386 |
|
|
| 387 |
|
moveto(row, col_cur); |
| 388 |
|
prints("%s", buffer + offset); |
| 389 |
|
prints("%*s", max_display_len - display_len, ""); |
| 390 |
|
moveto(row, col_cur); |
| 391 |
|
iflush(); |
| 392 |
|
} |
| 393 |
|
continue; |
| 394 |
|
} |
| 395 |
|
else if (ch == KEY_LEFT) |
| 396 |
{ |
{ |
| 397 |
buffer[i - 1] = '\r'; |
if (offset > 0) |
| 398 |
buffer[i] = '\n'; |
{ |
| 399 |
buffer[i + 1] = '\0'; |
str_len = 1; |
| 400 |
|
offset--; |
| 401 |
|
if (buffer[offset] < 0 || buffer[offset] > 127) // UTF8 |
| 402 |
|
{ |
| 403 |
|
while (offset > 0 && (buffer[offset] & 0xc0) != 0xc0) |
| 404 |
|
{ |
| 405 |
|
str_len++; |
| 406 |
|
offset--; |
| 407 |
|
} |
| 408 |
|
col_cur--; |
| 409 |
|
} |
| 410 |
|
col_cur--; |
| 411 |
|
|
| 412 |
|
moveto(row, col_cur); |
| 413 |
|
iflush(); |
| 414 |
|
} |
| 415 |
|
continue; |
| 416 |
|
} |
| 417 |
|
else if (ch == KEY_RIGHT) |
| 418 |
|
{ |
| 419 |
|
if (offset < len) |
| 420 |
|
{ |
| 421 |
|
str_len = 0; |
| 422 |
|
if ((buffer[offset] & 0x80) == 0x80) // head of multi-byte character |
| 423 |
|
{ |
| 424 |
|
c = (char)(buffer[offset] & 0xf0); |
| 425 |
|
while (c & 0x80) |
| 426 |
|
{ |
| 427 |
|
str_len++; |
| 428 |
|
c = (c & 0x7f) << 1; |
| 429 |
|
} |
| 430 |
|
col_cur++; |
| 431 |
|
} |
| 432 |
|
else |
| 433 |
|
{ |
| 434 |
|
str_len = 1; |
| 435 |
|
} |
| 436 |
|
|
| 437 |
|
col_cur++; |
| 438 |
|
offset += str_len; |
| 439 |
|
|
| 440 |
|
moveto(row, col_cur); |
| 441 |
|
iflush(); |
| 442 |
|
} |
| 443 |
|
continue; |
| 444 |
|
} |
| 445 |
|
else if (ch == KEY_HOME || ch == KEY_UP) |
| 446 |
|
{ |
| 447 |
|
if (offset > 0) |
| 448 |
|
{ |
| 449 |
|
offset = 0; |
| 450 |
|
col_cur = col + str_length(prompt, 1); |
| 451 |
|
|
| 452 |
|
moveto(row, col_cur); |
| 453 |
|
iflush(); |
| 454 |
|
} |
| 455 |
|
continue; |
| 456 |
|
} |
| 457 |
|
else if (ch == KEY_END || ch == KEY_DOWN) |
| 458 |
|
{ |
| 459 |
|
if (offset < len) |
| 460 |
|
{ |
| 461 |
|
offset = len; |
| 462 |
|
col_cur = col + str_length(prompt, 1) + display_len; |
| 463 |
|
|
| 464 |
|
moveto(row, col_cur); |
| 465 |
|
iflush(); |
| 466 |
|
} |
| 467 |
|
continue; |
| 468 |
|
} |
| 469 |
|
else if (ch > 255 || iscntrl(ch)) |
| 470 |
|
{ |
| 471 |
|
continue; |
| 472 |
|
} |
| 473 |
|
else if ((ch & 0xff80) == 0x80) // head of multi-byte character |
| 474 |
|
{ |
| 475 |
|
str_len = 0; |
| 476 |
|
c = (char)(ch & 0xf0); |
| 477 |
|
while (c & 0x80) |
| 478 |
|
{ |
| 479 |
|
input_str[str_len] = (char)(ch - 256); |
| 480 |
|
str_len++; |
| 481 |
|
c = (c & 0x7f) << 1; |
| 482 |
|
|
| 483 |
|
if ((c & 0x80) == 0) // Input completed |
| 484 |
|
{ |
| 485 |
|
break; |
| 486 |
|
} |
| 487 |
|
|
| 488 |
|
// Expect additional bytes of input |
| 489 |
|
ch = igetch(100); // 0.1 second |
| 490 |
|
if (ch == KEY_NULL || ch == KEY_TIMEOUT) // Ignore received bytes if no futher input |
| 491 |
|
{ |
| 492 |
|
#ifdef _DEBUG |
| 493 |
|
log_error("Ignore %d bytes of incomplete UTF8 character\n", str_len); |
| 494 |
|
#endif |
| 495 |
|
str_len = 0; |
| 496 |
|
break; |
| 497 |
|
} |
| 498 |
|
} |
| 499 |
|
|
| 500 |
|
if (str_len == 0) // Incomplete input |
| 501 |
|
{ |
| 502 |
|
continue; |
| 503 |
|
} |
| 504 |
|
|
| 505 |
|
if (len + str_len > buf_size - 1 || display_len + 2 > max_display_len) // No enough space for Chinese character |
| 506 |
|
{ |
| 507 |
|
outc('\a'); |
| 508 |
|
iflush(); |
| 509 |
|
continue; |
| 510 |
|
} |
| 511 |
|
|
| 512 |
|
memmove(buffer + offset + str_len, buffer + offset, (size_t)(len - offset)); |
| 513 |
|
memcpy(buffer + offset, input_str, (size_t)str_len); |
| 514 |
|
len += str_len; |
| 515 |
|
buffer[len] = '\0'; |
| 516 |
|
display_len += 2; |
| 517 |
|
|
| 518 |
|
moveto(row, col_cur); |
| 519 |
|
prints("%s", buffer + offset); |
| 520 |
|
prints("%*s", max_display_len - display_len, ""); |
| 521 |
|
|
| 522 |
|
col_cur += 2; |
| 523 |
|
|
| 524 |
|
moveto(row, col_cur); |
| 525 |
|
iflush(); |
| 526 |
|
|
| 527 |
|
offset += str_len; |
| 528 |
|
} |
| 529 |
|
else if (ch >= 32 && ch < 127) // Printable character |
| 530 |
|
{ |
| 531 |
|
if (len + 1 > buf_size - 1 || display_len + 1 > max_display_len) |
| 532 |
|
{ |
| 533 |
|
outc('\a'); |
| 534 |
|
iflush(); |
| 535 |
|
continue; |
| 536 |
|
} |
| 537 |
|
|
| 538 |
|
memmove(buffer + offset + 1, buffer + offset, (size_t)(len - offset)); |
| 539 |
|
buffer[offset] = (char)ch; |
| 540 |
|
len++; |
| 541 |
|
buffer[len] = '\0'; |
| 542 |
|
display_len++; |
| 543 |
|
|
| 544 |
|
moveto(row, col_cur); |
| 545 |
|
prints("%s", buffer + offset); |
| 546 |
|
prints("%*s", max_display_len - display_len, ""); |
| 547 |
|
|
| 548 |
|
col_cur++; |
| 549 |
|
|
| 550 |
|
moveto(row, col_cur); |
| 551 |
|
iflush(); |
| 552 |
|
|
| 553 |
|
offset++; |
| 554 |
|
} |
| 555 |
|
else // Invalid character |
| 556 |
|
{ |
| 557 |
|
continue; |
| 558 |
} |
} |
|
prints(buffer); |
|
|
iflush(); |
|
| 559 |
} |
} |
|
fclose(fin); |
|
| 560 |
|
|
| 561 |
return 0; |
return len; |
| 562 |
} |
} |
| 563 |
|
|
| 564 |
int display_file_ex(const char *filename, int begin_line, int wait) |
int display_data(const void *p_data, long display_line_total, const long *p_line_offsets, int eof_exit, |
| 565 |
|
display_data_key_handler key_handler, const char *help_filename) |
| 566 |
{ |
{ |
| 567 |
static int show_help = 1; |
static int show_help = 1; |
| 568 |
char buffer[LINE_BUFFER_LEN]; |
char buffer[LINE_BUFFER_LEN]; |
| 569 |
|
DISPLAY_CTX ctx; |
| 570 |
int ch = 0; |
int ch = 0; |
| 571 |
int input_ok, line, max_lines; |
int input_ok; |
| 572 |
long int c_line_current = 0; |
const int screen_begin_row = 1; |
| 573 |
long int c_line_total = 0; |
const int screen_row_total = SCREEN_ROWS - screen_begin_row; |
| 574 |
FILE *fin; |
int output_current_row = screen_begin_row; |
| 575 |
long *p_line_offsets; |
int output_end_row = SCREEN_ROWS - 1; |
| 576 |
|
long int line_current = 0; |
| 577 |
long int len; |
long int len; |
| 578 |
long int percentile; |
long int percentile; |
| 579 |
int loop = 1; |
int loop; |
| 580 |
|
int eol, display_len; |
| 581 |
|
|
| 582 |
if ((fin = fopen(filename, "r")) == NULL) |
clrline(output_current_row, SCREEN_ROWS); |
| 583 |
|
|
| 584 |
|
// update msg_ext with extended key handler |
| 585 |
|
if (key_handler(&ch, &ctx) != 0) |
| 586 |
{ |
{ |
| 587 |
log_error("Unable to open file %s\n", filename); |
return ch; |
|
return -1; |
|
| 588 |
} |
} |
| 589 |
|
|
| 590 |
p_line_offsets = (long *)malloc(sizeof(long) * MAX_FILE_LINES); |
loop = 1; |
| 591 |
|
while (!SYS_server_exit && loop) |
|
c_line_total = split_file_lines(fin, screen_cols, p_line_offsets, MAX_FILE_LINES); |
|
|
|
|
|
clrline(begin_line, screen_rows); |
|
|
line = begin_line; |
|
|
max_lines = screen_rows - 1; |
|
|
|
|
|
while (loop) |
|
| 592 |
{ |
{ |
| 593 |
if (c_line_current >= c_line_total && c_line_total <= screen_rows - 2) |
if (eof_exit > 0 && line_current >= display_line_total && display_line_total <= screen_row_total) |
| 594 |
{ |
{ |
| 595 |
if (wait) |
if (eof_exit == 1) |
| 596 |
{ |
{ |
| 597 |
ch = press_any_key(); |
ch = press_any_key(); |
| 598 |
} |
} |
| 599 |
else |
else // if (eof_exit == 2) |
| 600 |
{ |
{ |
| 601 |
iflush(); |
iflush(); |
| 602 |
} |
} |
| 605 |
break; |
break; |
| 606 |
} |
} |
| 607 |
|
|
| 608 |
if (c_line_current >= c_line_total || line >= max_lines) |
if (line_current >= display_line_total || output_current_row > output_end_row) |
| 609 |
{ |
{ |
| 610 |
if (c_line_current - (line - 1) + (screen_rows - 2) < c_line_total) |
ctx.reach_begin = (line_current < output_current_row ? 1 : 0); |
| 611 |
|
|
| 612 |
|
if (line_current - (output_current_row - screen_begin_row) + screen_row_total < display_line_total) |
| 613 |
{ |
{ |
| 614 |
percentile = (c_line_current - (line - 1) + (screen_rows - 2)) * 100 / c_line_total; |
percentile = (line_current - (output_current_row - screen_begin_row) + screen_row_total) * 100 / display_line_total; |
| 615 |
|
ctx.reach_end = 0; |
| 616 |
} |
} |
| 617 |
else |
else |
| 618 |
{ |
{ |
| 619 |
percentile = 100; |
percentile = 100; |
| 620 |
|
ctx.reach_end = 1; |
| 621 |
|
} |
| 622 |
|
|
| 623 |
|
ctx.line_top = line_current - (output_current_row - screen_begin_row) + 1; |
| 624 |
|
ctx.line_bottom = MIN(line_current - (output_current_row - screen_begin_row) + screen_row_total, display_line_total); |
| 625 |
|
|
| 626 |
|
snprintf(buffer, sizeof(buffer), |
| 627 |
|
"\033[1;44;33m第\033[32m%ld\033[33m-\033[32m%ld\033[33m行 (\033[32m%ld%%\033[33m) %s", |
| 628 |
|
ctx.line_top, |
| 629 |
|
ctx.line_bottom, |
| 630 |
|
percentile, |
| 631 |
|
ctx.msg); |
| 632 |
|
|
| 633 |
|
len = split_line(buffer, SCREEN_COLS, &eol, &display_len, 1); |
| 634 |
|
for (; display_len < SCREEN_COLS; display_len++) |
| 635 |
|
{ |
| 636 |
|
buffer[len++] = ' '; |
| 637 |
} |
} |
| 638 |
|
buffer[len] = '\0'; |
| 639 |
|
strncat(buffer, "\033[m", sizeof(buffer) - 1 - strnlen(buffer, sizeof(buffer))); |
| 640 |
|
|
| 641 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 642 |
prints("\033[1;44;32m%s (%d%%)%s\033[33m <q> //PgUp/PgDn ƶ ? ˵ \033[m", |
prints("%s", buffer); |
|
(percentile < 100 ? "滹" : "ûи"), percentile, |
|
|
(percentile < 10 ? " " : (percentile < 100 ? " " : ""))); |
|
| 643 |
iflush(); |
iflush(); |
| 644 |
|
|
| 645 |
input_ok = 0; |
input_ok = 0; |
| 646 |
while (!input_ok) |
while (!SYS_server_exit && !input_ok) |
| 647 |
{ |
{ |
| 648 |
ch = igetch_t(MAX_DELAY_TIME); |
ch = igetch_t(MAX_DELAY_TIME); |
| 649 |
input_ok = 1; |
input_ok = 1; |
| 650 |
|
|
| 651 |
|
if (ch != KEY_NULL && ch != KEY_TIMEOUT) |
| 652 |
|
{ |
| 653 |
|
BBS_last_access_tm = time(NULL); |
| 654 |
|
} |
| 655 |
|
|
| 656 |
|
// extended key handler |
| 657 |
|
if (key_handler(&ch, &ctx) != 0) |
| 658 |
|
{ |
| 659 |
|
goto cleanup; |
| 660 |
|
} |
| 661 |
|
|
| 662 |
switch (ch) |
switch (ch) |
| 663 |
{ |
{ |
| 664 |
|
case KEY_NULL: |
| 665 |
|
log_error("KEY_NULL\n"); |
| 666 |
|
goto cleanup; |
| 667 |
|
case KEY_TIMEOUT: |
| 668 |
|
log_error("User input timeout\n"); |
| 669 |
|
goto cleanup; |
| 670 |
|
case KEY_HOME: |
| 671 |
|
if (line_current - output_current_row < 0) // Reach begin |
| 672 |
|
{ |
| 673 |
|
break; |
| 674 |
|
} |
| 675 |
|
line_current = 0; |
| 676 |
|
output_current_row = screen_begin_row; |
| 677 |
|
output_end_row = SCREEN_ROWS - 1; |
| 678 |
|
clrline(output_current_row, SCREEN_ROWS); |
| 679 |
|
break; |
| 680 |
|
case KEY_END: |
| 681 |
|
if (display_line_total < screen_row_total) |
| 682 |
|
{ |
| 683 |
|
break; |
| 684 |
|
} |
| 685 |
|
line_current = display_line_total - screen_row_total; |
| 686 |
|
output_current_row = screen_begin_row; |
| 687 |
|
output_end_row = SCREEN_ROWS - 1; |
| 688 |
|
clrline(output_current_row, SCREEN_ROWS); |
| 689 |
|
break; |
| 690 |
case KEY_UP: |
case KEY_UP: |
| 691 |
if (c_line_current - line < 0) // Reach top |
if (line_current - output_current_row < 0) // Reach begin |
| 692 |
{ |
{ |
| 693 |
break; |
break; |
| 694 |
} |
} |
| 695 |
c_line_current -= line; |
line_current -= output_current_row; |
| 696 |
line = begin_line; |
output_current_row = screen_begin_row; |
| 697 |
// max_lines = begin_line + 1; |
// screen_end_line = screen_begin_line; |
| 698 |
// prints("\033[T"); // Scroll down 1 line |
// prints("\033[T"); // Scroll down 1 line |
| 699 |
max_lines = screen_rows - 1; // Legacy Fterm only works with this line |
output_end_row = SCREEN_ROWS - 1; // Legacy Fterm only works with this line |
| 700 |
break; |
break; |
|
case KEY_DOWN: |
|
| 701 |
case CR: |
case CR: |
| 702 |
if (c_line_current + ((screen_rows - 2) - (line - 1)) >= c_line_total) // Reach bottom |
case KEY_DOWN: |
| 703 |
|
if (line_current + (screen_row_total - (output_current_row - screen_begin_row)) >= display_line_total) // Reach end |
| 704 |
{ |
{ |
| 705 |
break; |
break; |
| 706 |
} |
} |
| 707 |
c_line_current += ((screen_rows - 2) - (line - 1)); |
line_current += (screen_row_total - (output_current_row - screen_begin_row)); |
| 708 |
line = screen_rows - 2; |
output_current_row = screen_row_total; |
| 709 |
max_lines = screen_rows - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 710 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 711 |
clrtoeol(); |
clrtoeol(); |
| 712 |
prints("\033[S"); // Scroll up 1 line |
// prints("\033[S"); // Scroll up 1 line |
| 713 |
|
prints("\n"); // Legacy Cterm only works with this line |
| 714 |
break; |
break; |
| 715 |
case KEY_PGUP: |
case KEY_PGUP: |
| 716 |
case Ctrl('B'): |
if (line_current - output_current_row < 0) // Reach begin |
|
if (c_line_current - line < 0) // Reach top |
|
| 717 |
{ |
{ |
| 718 |
break; |
break; |
| 719 |
} |
} |
| 720 |
c_line_current -= ((screen_rows - 3) + (line - 1)); |
line_current -= ((screen_row_total - 1) + (output_current_row - screen_begin_row)); |
| 721 |
if (c_line_current < 0) |
if (line_current < 0) |
| 722 |
{ |
{ |
| 723 |
c_line_current = 0; |
line_current = 0; |
| 724 |
} |
} |
| 725 |
line = begin_line; |
output_current_row = screen_begin_row; |
| 726 |
max_lines = screen_rows - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 727 |
clrline(begin_line, screen_rows); |
clrline(output_current_row, SCREEN_ROWS); |
| 728 |
break; |
break; |
|
case KEY_RIGHT: |
|
|
case KEY_PGDN: |
|
|
case Ctrl('F'): |
|
| 729 |
case KEY_SPACE: |
case KEY_SPACE: |
| 730 |
if (c_line_current + (screen_rows - 2) - (line - 1) >= c_line_total) // Reach bottom |
case KEY_PGDN: |
| 731 |
|
if (line_current + screen_row_total - (output_current_row - screen_begin_row) >= display_line_total) // Reach end |
| 732 |
{ |
{ |
| 733 |
break; |
break; |
| 734 |
} |
} |
| 735 |
c_line_current += (screen_rows - 3) - (line - 1); |
line_current += (screen_row_total - 1) - (output_current_row - screen_begin_row); |
| 736 |
if (c_line_current + screen_rows - 2 > c_line_total) // No enough lines to display |
if (line_current + screen_row_total > display_line_total) // No enough lines to display |
| 737 |
{ |
{ |
| 738 |
c_line_current = c_line_total - (screen_rows - 2); |
line_current = display_line_total - screen_row_total; |
| 739 |
} |
} |
| 740 |
line = begin_line; |
output_current_row = screen_begin_row; |
| 741 |
max_lines = screen_rows - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 742 |
clrline(begin_line, screen_rows); |
clrline(output_current_row, SCREEN_ROWS); |
| 743 |
break; |
break; |
| 744 |
case KEY_NULL: |
case KEY_ESC: |
|
case KEY_TIMEOUT: |
|
| 745 |
case KEY_LEFT: |
case KEY_LEFT: |
|
case 'q': |
|
|
case 'Q': |
|
| 746 |
loop = 0; |
loop = 0; |
| 747 |
break; |
break; |
|
case '?': |
|
| 748 |
case 'h': |
case 'h': |
| 749 |
case 'H': |
if (!show_help) // Not reentrant |
|
if (!show_help) |
|
| 750 |
{ |
{ |
| 751 |
break; |
break; |
| 752 |
} |
} |
|
|
|
| 753 |
// Display help information |
// Display help information |
| 754 |
show_help = 0; |
show_help = 0; |
| 755 |
display_file_ex(DATA_READ_HELP, begin_line, 1); |
display_file(help_filename, 1); |
| 756 |
show_help = 1; |
show_help = 1; |
| 757 |
|
case KEY_F5: |
| 758 |
// Refresh after display help information |
// Refresh after display help information |
| 759 |
c_line_current -= (line - 1); |
line_current -= (output_current_row - screen_begin_row); |
| 760 |
line = begin_line; |
output_current_row = screen_begin_row; |
| 761 |
max_lines = screen_rows - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 762 |
clrline(begin_line, screen_rows); |
clrline(output_current_row, SCREEN_ROWS); |
| 763 |
|
break; |
| 764 |
|
case 0: // Refresh bottom line |
| 765 |
break; |
break; |
| 766 |
default: |
default: |
| 767 |
input_ok = 0; |
input_ok = 0; |
| 772 |
continue; |
continue; |
| 773 |
} |
} |
| 774 |
|
|
| 775 |
fseek(fin, p_line_offsets[c_line_current], SEEK_SET); |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 776 |
len = p_line_offsets[c_line_current + 1] - p_line_offsets[c_line_current]; |
if (len >= sizeof(buffer)) |
|
if (len >= LINE_BUFFER_LEN) |
|
| 777 |
{ |
{ |
| 778 |
log_error("Error length exceeds buffer size: %d\n", len); |
log_error("Buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 779 |
len = LINE_BUFFER_LEN - 1; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 780 |
|
len = sizeof(buffer) - 1; |
| 781 |
} |
} |
| 782 |
if (fgets(buffer, (int)len + 1, fin) == NULL) |
else if (len < 0) |
| 783 |
{ |
{ |
| 784 |
log_error("Reach EOF\n"); |
log_error("Incorrect line offsets: len=%ld(%ld - %ld) line=%ld \n", |
| 785 |
break; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 786 |
|
len = 0; |
| 787 |
} |
} |
| 788 |
moveto(line, 0); |
|
| 789 |
|
memcpy(buffer, (const char *)p_data + p_line_offsets[line_current], (size_t)len); |
| 790 |
|
buffer[len] = '\0'; |
| 791 |
|
|
| 792 |
|
moveto(output_current_row, 0); |
| 793 |
clrtoeol(); |
clrtoeol(); |
| 794 |
prints("%s", buffer); |
prints("%s", buffer); |
| 795 |
c_line_current++; |
line_current++; |
| 796 |
line++; |
output_current_row++; |
| 797 |
} |
} |
| 798 |
|
|
| 799 |
free(p_line_offsets); |
cleanup: |
|
fclose(fin); |
|
|
|
|
| 800 |
return ch; |
return ch; |
| 801 |
} |
} |
| 802 |
|
|
| 803 |
int show_top(char *status) |
static int display_file_key_handler(int *p_key, DISPLAY_CTX *p_ctx) |
| 804 |
{ |
{ |
| 805 |
int end_of_line; |
switch (*p_key) |
| 806 |
int display_len; |
{ |
| 807 |
unsigned int len; |
case 0: // Set msg |
| 808 |
|
snprintf(p_ctx->msg, sizeof(p_ctx->msg), |
| 809 |
|
"| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] | " |
| 810 |
|
"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] | " |
| 811 |
|
"帮助[\033[32mh\033[33m] |"); |
| 812 |
|
break; |
| 813 |
|
} |
| 814 |
|
|
| 815 |
char space1[LINE_BUFFER_LEN]; |
return 0; |
| 816 |
char space2[LINE_BUFFER_LEN]; |
} |
| 817 |
|
|
| 818 |
|
int display_file(const char *filename, int eof_exit) |
| 819 |
|
{ |
| 820 |
|
int ret; |
| 821 |
|
const void *p_shm; |
| 822 |
|
size_t data_len; |
| 823 |
|
long line_total; |
| 824 |
|
const void *p_data; |
| 825 |
|
const long *p_line_offsets; |
| 826 |
|
|
| 827 |
len = split_line(status, 20, &end_of_line, &display_len); |
if ((p_shm = get_file_shm_readonly(filename, &data_len, &line_total, &p_data, &p_line_offsets)) == NULL) |
|
if (end_of_line) |
|
| 828 |
{ |
{ |
| 829 |
status[len] = '\0'; |
log_error("get_file_shm(%s) error\n", filename); |
| 830 |
|
return KEY_NULL; |
| 831 |
} |
} |
|
str_space(space1, 31 - display_len); |
|
| 832 |
|
|
| 833 |
len = split_line(BBS_current_section_name, 20, &end_of_line, &display_len); |
if (user_online_update("VIEW_FILE") < 0) |
|
if (end_of_line) |
|
| 834 |
{ |
{ |
| 835 |
status[len] = '\0'; |
log_error("user_online_update(VIEW_FILE) error\n"); |
| 836 |
} |
} |
| 837 |
str_space(space2, 30 - display_len); |
|
| 838 |
|
ret = display_data(p_data, line_total, p_line_offsets, eof_exit, display_file_key_handler, DATA_READ_HELP); |
| 839 |
|
|
| 840 |
|
if (detach_file_shm(p_shm) < 0) |
| 841 |
|
{ |
| 842 |
|
log_error("detach_file_shm(%s) error\n", filename); |
| 843 |
|
} |
| 844 |
|
|
| 845 |
|
return ret; |
| 846 |
|
} |
| 847 |
|
|
| 848 |
|
int show_top(const char *str_left, const char *str_middle, const char *str_right) |
| 849 |
|
{ |
| 850 |
|
char str_left_f[STR_TOP_LEFT_MAX_LEN + 1]; |
| 851 |
|
char str_middle_f[STR_TOP_MIDDLE_MAX_LEN + 1]; |
| 852 |
|
char str_right_f[STR_TOP_RIGHT_MAX_LEN + 1]; |
| 853 |
|
int str_left_len; |
| 854 |
|
int str_middle_len; |
| 855 |
|
int str_right_len; |
| 856 |
|
int eol; |
| 857 |
|
int len; |
| 858 |
|
|
| 859 |
|
strncpy(str_left_f, str_left, sizeof(str_left_f) - 1); |
| 860 |
|
str_left_f[sizeof(str_left_f) - 1] = '\0'; |
| 861 |
|
len = split_line(str_left_f, STR_TOP_LEFT_MAX_LEN / 2, &eol, &str_left_len, 1); |
| 862 |
|
str_left_f[len] = '\0'; |
| 863 |
|
|
| 864 |
|
strncpy(str_middle_f, str_middle, sizeof(str_middle_f) - 1); |
| 865 |
|
str_middle_f[sizeof(str_middle_f) - 1] = '\0'; |
| 866 |
|
len = split_line(str_middle, STR_TOP_MIDDLE_MAX_LEN / 2, &eol, &str_middle_len, 1); |
| 867 |
|
str_middle_f[len] = '\0'; |
| 868 |
|
|
| 869 |
|
strncpy(str_right_f, str_right, sizeof(str_right_f) - 1); |
| 870 |
|
str_right_f[sizeof(str_right_f) - 1] = '\0'; |
| 871 |
|
len = split_line(str_right, STR_TOP_RIGHT_MAX_LEN / 2, &eol, &str_right_len, 1); |
| 872 |
|
str_right_f[len] = '\0'; |
| 873 |
|
|
| 874 |
moveto(1, 0); |
moveto(1, 0); |
| 875 |
clrtoeol(); |
clrtoeol(); |
| 876 |
prints("\033[1;44;33m%s \033[37m%s%s%s\033[33m [%s]\033[m", |
prints("\033[1;44;33m%s\033[37m%*s%s\033[33m%*s%s\033[m", |
| 877 |
status, space1, BBS_name, space2, BBS_current_section_name); |
str_left_f, 44 - str_left_len - str_middle_len, "", |
| 878 |
iflush(); |
str_middle_f, 36 - str_right_len, "", str_right_f); |
| 879 |
|
|
| 880 |
return 0; |
return 0; |
| 881 |
} |
} |
| 882 |
|
|
| 883 |
int show_bottom(char *msg) |
int show_bottom(const char *msg) |
| 884 |
{ |
{ |
| 885 |
char str_time[LINE_BUFFER_LEN]; |
char str_time[LINE_BUFFER_LEN]; |
| 886 |
char space[LINE_BUFFER_LEN]; |
int len_str_time; |
| 887 |
time_t time_online; |
time_t time_online; |
| 888 |
struct tm *tm_online; |
struct tm *tm_online; |
| 889 |
|
char msg_f[LINE_BUFFER_LEN]; |
| 890 |
|
int eol; |
| 891 |
|
int len_msg; |
| 892 |
|
int len; |
| 893 |
|
int len_username; |
| 894 |
|
char str_tm_online[LINE_BUFFER_LEN]; |
| 895 |
|
|
| 896 |
|
len_str_time = (int)get_time_str(str_time, sizeof(str_time)); |
| 897 |
|
|
| 898 |
|
msg_f[0] = '\0'; |
| 899 |
|
len_msg = 0; |
| 900 |
|
if (msg != NULL) |
| 901 |
|
{ |
| 902 |
|
strncpy(msg_f, msg, sizeof(msg_f) - 1); |
| 903 |
|
msg_f[sizeof(msg_f) - 1] = '\0'; |
| 904 |
|
len = split_line(msg_f, 23, &eol, &len_msg, 1); |
| 905 |
|
msg_f[len] = '\0'; |
| 906 |
|
} |
| 907 |
|
|
| 908 |
get_time_str(str_time, sizeof(str_time)); |
len_username = (int)strnlen(BBS_username, sizeof(BBS_username)); |
|
str_space(space, 34 - (int)strnlen(BBS_username, sizeof(BBS_username))); |
|
| 909 |
|
|
| 910 |
time_online = time(0) - BBS_login_tm; |
time_online = time(NULL) - BBS_login_tm; |
| 911 |
tm_online = gmtime(&time_online); |
tm_online = gmtime(&time_online); |
| 912 |
|
if (tm_online->tm_mday > 1) |
| 913 |
|
{ |
| 914 |
|
snprintf(str_tm_online, sizeof(str_tm_online), |
| 915 |
|
"\033[36m%d\033[33md \033[36m%d\033[33m:\033[36m%.2d", |
| 916 |
|
tm_online->tm_mday - 1, tm_online->tm_hour, tm_online->tm_min); |
| 917 |
|
} |
| 918 |
|
else |
| 919 |
|
{ |
| 920 |
|
snprintf(str_tm_online, sizeof(str_tm_online), |
| 921 |
|
"\033[36m%d\033[33m:\033[36m%.2d", |
| 922 |
|
tm_online->tm_hour, tm_online->tm_min); |
| 923 |
|
} |
| 924 |
|
|
| 925 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 926 |
clrtoeol(); |
clrtoeol(); |
| 927 |
prints("\033[1;44;33m[\033[36m%s\033[33m]%sʺ[\033[36m%s\033[33m]" |
prints("\033[1;44;33m时间[\033[36m%s\033[33m]%s%*s \033[33m用户[\033[36m%s\033[33m][%s\033[33m]\033[m", |
| 928 |
"[\033[36m%1d\033[33m:\033[36m%2d\033[33m:\033[36m%2d\033[33m]\033[m", |
str_time, msg_f, 61 - len_str_time - len_msg - len_username, "", BBS_username, str_tm_online); |
|
str_time, space, BBS_username, tm_online->tm_mday - 1, |
|
|
tm_online->tm_hour, tm_online->tm_min); |
|
|
iflush(); |
|
| 929 |
|
|
| 930 |
return 0; |
return 0; |
| 931 |
} |
} |
| 932 |
|
|
| 933 |
int show_active_board() |
int show_active_board() |
| 934 |
{ |
{ |
| 935 |
char filename[FILE_PATH_LEN]; |
static int line_current = 0; |
| 936 |
char buffer[LINE_BUFFER_LEN]; |
static const void *p_shm = NULL; |
| 937 |
FILE *fin; |
static size_t data_len; |
| 938 |
static int line; |
static long line_total; |
| 939 |
unsigned int len; |
static const void *p_data; |
| 940 |
int end_of_line; |
static const long *p_line_offsets; |
|
int display_len; |
|
| 941 |
|
|
| 942 |
clrline(3, 2 + ACTIVE_BOARD_HEIGHT); |
static time_t t_last_show = 0; |
| 943 |
|
static int line_last = 0; |
| 944 |
|
|
| 945 |
if ((fin = fopen(DATA_ACTIVE_BOARD, "r")) == NULL) |
char buffer[LINE_BUFFER_LEN]; |
| 946 |
{ |
long int len; |
|
log_error("Unable to open file %s\n", filename); |
|
|
return -1; |
|
|
} |
|
| 947 |
|
|
| 948 |
for (int i = 0; i < line; i++) |
if (p_shm == NULL) |
| 949 |
{ |
{ |
| 950 |
if (fgets(buffer, sizeof(buffer), fin) == NULL) |
if ((p_shm = get_file_shm_readonly(DATA_ACTIVE_BOARD, &data_len, &line_total, &p_data, &p_line_offsets)) == NULL) |
| 951 |
{ |
{ |
| 952 |
line = 0; |
log_error("get_file_shm(%s) error\n", DATA_ACTIVE_BOARD); |
| 953 |
rewind(fin); |
return KEY_NULL; |
|
break; |
|
| 954 |
} |
} |
| 955 |
} |
} |
| 956 |
|
|
| 957 |
|
if (time(NULL) - t_last_show >= 10) |
| 958 |
|
{ |
| 959 |
|
line_last = line_current; |
| 960 |
|
t_last_show = time(NULL); |
| 961 |
|
} |
| 962 |
|
else |
| 963 |
|
{ |
| 964 |
|
line_current = line_last; |
| 965 |
|
} |
| 966 |
|
|
| 967 |
|
clrline(2, 2 + ACTIVE_BOARD_HEIGHT); |
| 968 |
|
|
| 969 |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
| 970 |
{ |
{ |
| 971 |
if (fgets(buffer, sizeof(buffer), fin) == NULL) |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 972 |
|
if (len >= LINE_BUFFER_LEN) |
| 973 |
{ |
{ |
| 974 |
line = 0; |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 975 |
break; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 976 |
|
len = LINE_BUFFER_LEN - 1; |
| 977 |
} |
} |
| 978 |
line++; |
|
| 979 |
len = split_line(buffer, screen_cols, &end_of_line, &display_len); |
memcpy(buffer, (const char *)p_data + p_line_offsets[line_current], (size_t)len); |
| 980 |
buffer[len] = '\0'; // Truncate over-length line |
buffer[len] = '\0'; |
| 981 |
|
|
| 982 |
moveto(3 + i, 0); |
moveto(3 + i, 0); |
| 983 |
prints("%s", buffer); |
prints("%s", buffer); |
|
} |
|
|
iflush(); |
|
| 984 |
|
|
| 985 |
fclose(fin); |
line_current++; |
| 986 |
|
if (line_current >= line_total) |
| 987 |
|
{ |
| 988 |
|
line_current = 0; |
| 989 |
|
break; |
| 990 |
|
} |
| 991 |
|
} |
| 992 |
|
|
| 993 |
return 0; |
return 0; |
| 994 |
} |
} |