| 1 |
/*************************************************************************** |
/*************************************************************************** |
| 2 |
screen.c - description |
screen.c - description |
| 3 |
------------------- |
------------------- |
| 4 |
begin : Mon Oct 18 2004 |
Copyright : (C) 2004-2025 by Leaflet |
| 5 |
copyright : (C) 2004 by Leaflet |
Email : leaflet@leafok.com |
|
email : leaflet@leafok.com |
|
| 6 |
***************************************************************************/ |
***************************************************************************/ |
| 7 |
|
|
| 8 |
/*************************************************************************** |
/*************************************************************************** |
| 9 |
* * |
* * |
| 10 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
| 11 |
* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
| 12 |
* the Free Software Foundation; either version 2 of the License, or * |
* the Free Software Foundation; either version 3 of the License, or * |
| 13 |
* (at your option) any later version. * |
* (at your option) any later version. * |
| 14 |
* * |
* * |
| 15 |
***************************************************************************/ |
***************************************************************************/ |
| 16 |
|
|
| 17 |
|
#include "screen.h" |
| 18 |
|
#include "bbs.h" |
| 19 |
#include "common.h" |
#include "common.h" |
| 20 |
|
#include "str_process.h" |
| 21 |
|
#include "log.h" |
| 22 |
#include "io.h" |
#include "io.h" |
| 23 |
|
#include "file_loader.h" |
| 24 |
|
#include <fcntl.h> |
| 25 |
|
#include <ctype.h> |
| 26 |
|
#include <unistd.h> |
| 27 |
|
#include <stdlib.h> |
| 28 |
|
#include <errno.h> |
| 29 |
#include <sys/types.h> |
#include <sys/types.h> |
| 30 |
#include <sys/stat.h> |
#include <sys/stat.h> |
| 31 |
#include <unistd.h> |
#include <sys/param.h> |
| 32 |
|
#include <sys/shm.h> |
| 33 |
|
|
| 34 |
|
#define _POSIX_C_SOURCE 200809L |
| 35 |
|
#include <string.h> |
| 36 |
|
|
| 37 |
|
#define ACTIVE_BOARD_HEIGHT 8 |
| 38 |
|
|
| 39 |
|
#define STR_TOP_LEFT_MAX_LEN 40 |
| 40 |
|
#define STR_TOP_MIDDLE_MAX_LEN 20 |
| 41 |
|
#define STR_TOP_RIGHT_MAX_LEN 20 |
| 42 |
|
|
| 43 |
int screen_lines = 24; |
#define MSG_EXT_MAX_LEN 200 |
| 44 |
|
|
| 45 |
void |
void moveto(int row, int col) |
|
moveto (int row, int col) |
|
| 46 |
{ |
{ |
| 47 |
if (row >= 0) |
if (row >= 0) |
| 48 |
{ |
{ |
| 49 |
prints ("\033[%d;%dH", row, col); |
prints("\033[%d;%dH", row, col); |
| 50 |
} |
} |
| 51 |
else |
else |
| 52 |
{ |
{ |
| 53 |
prints ("\r"); |
prints("\r"); |
| 54 |
} |
} |
|
iflush (); |
|
| 55 |
} |
} |
| 56 |
|
|
| 57 |
void |
void clrtoeol() |
|
clrtoeol () |
|
| 58 |
{ |
{ |
| 59 |
prints ("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
|
iflush (); |
|
| 60 |
} |
} |
| 61 |
|
|
| 62 |
void |
void clrline(int line_begin, int line_end) |
|
clrline (int line_begin, int line_end) |
|
| 63 |
{ |
{ |
| 64 |
int i; |
int i; |
| 65 |
|
|
| 66 |
for (i = line_begin; i <= line_end; i++) |
for (i = line_begin; i <= line_end; i++) |
| 67 |
{ |
{ |
| 68 |
moveto (i, 0); |
moveto(i, 0); |
| 69 |
prints ("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 70 |
} |
} |
| 71 |
|
} |
| 72 |
|
|
| 73 |
iflush (); |
void clrtobot(int line_begin) |
| 74 |
|
{ |
| 75 |
|
moveto(line_begin, 0); |
| 76 |
|
prints("\033[J"); |
| 77 |
|
moveto(line_begin, 0); |
| 78 |
} |
} |
| 79 |
|
|
| 80 |
void |
void clearscr() |
|
clearscr () |
|
| 81 |
{ |
{ |
| 82 |
prints ("\33[2J"); |
prints("\033[2J"); |
| 83 |
moveto (0, 0); |
moveto(0, 0); |
|
iflush (); |
|
| 84 |
} |
} |
| 85 |
|
|
| 86 |
int |
int press_any_key() |
|
press_any_key () |
|
| 87 |
{ |
{ |
| 88 |
moveto (screen_lines, 0); |
moveto(SCREEN_ROWS, 0); |
| 89 |
clrtoeol (); |
clrtoeol(); |
| 90 |
|
|
| 91 |
prints (" \033[1;33m按任意键继续...\033[0;37m"); |
prints(" \033[1;33m按任意键继续...\033[0;37m"); |
| 92 |
iflush (); |
iflush(); |
| 93 |
|
|
| 94 |
return igetch (); |
return igetch_t(MIN(MAX_DELAY_TIME, 60)); |
| 95 |
} |
} |
| 96 |
|
|
| 97 |
void |
void set_input_echo(int echo) |
|
set_input_echo(int echo) |
|
| 98 |
{ |
{ |
| 99 |
char temp[256]; |
if (echo) |
| 100 |
|
{ |
| 101 |
if (echo) |
outc('\x83'); // ASCII code 131 |
| 102 |
{ |
iflush(); |
| 103 |
outc ('\x83'); // ASCII code 131 |
} |
| 104 |
iflush (); |
else |
| 105 |
} |
{ |
| 106 |
else |
// outc ('\x85'); // ASCII code 133 |
| 107 |
{ |
prints("\xff\xfb\x01\xff\xfb\x03"); |
| 108 |
// outc ('\x85'); // ASCII code 133 |
iflush(); |
| 109 |
prints ("\xff\xfb\x01\xff\xfb\x03"); |
igetch(0); |
| 110 |
iflush (); |
igetch_reset(); |
| 111 |
igetch (); |
} |
|
igetch (); |
|
|
} |
|
| 112 |
} |
} |
| 113 |
|
|
| 114 |
int |
static int _str_input(char *buffer, int buf_size, int echo_mode) |
|
str_input (char *buffer, int buffer_length, int echo_mode) |
|
| 115 |
{ |
{ |
| 116 |
char buf[256], ch; |
int c; |
| 117 |
int c, offset = 0, len, loop = 1, i, hz = 0; |
int offset = 0; |
| 118 |
|
int hz = 0; |
| 119 |
|
|
| 120 |
memset (buffer, '\0', buffer_length); |
buffer[buf_size - 1] = '\0'; |
| 121 |
|
for (offset = 0; offset < buf_size - 1 && buffer[offset] != '\0'; offset++) |
| 122 |
|
; |
| 123 |
|
|
| 124 |
while (c = igetch ()) |
igetch_reset(); |
| 125 |
{ |
|
| 126 |
if (c == CR) |
while (!SYS_server_exit) |
|
break; |
|
|
if (c == LF) |
|
|
continue; |
|
|
if (c == BACKSPACE) |
|
| 127 |
{ |
{ |
| 128 |
if (offset > 0) |
c = igetch_t(MIN(MAX_DELAY_TIME, 60)); |
| 129 |
{ |
|
| 130 |
buffer[--offset] = '\0'; |
if (c == CR) |
| 131 |
prints ("\b \b"); |
{ |
| 132 |
// clrtoeol (); |
igetch_reset(); |
| 133 |
iflush (); |
break; |
| 134 |
} |
} |
| 135 |
continue; |
else if (c == KEY_TIMEOUT || c == KEY_NULL) // timeout or broken pipe |
| 136 |
|
{ |
| 137 |
|
return -1; |
| 138 |
|
} |
| 139 |
|
else if (c == LF || c == '\0') |
| 140 |
|
{ |
| 141 |
|
continue; |
| 142 |
|
} |
| 143 |
|
else if (c == BACKSPACE) |
| 144 |
|
{ |
| 145 |
|
if (offset > 0) |
| 146 |
|
{ |
| 147 |
|
offset--; |
| 148 |
|
if (buffer[offset] < 0 || buffer[offset] > 127) |
| 149 |
|
{ |
| 150 |
|
prints("\033[D \033[D"); |
| 151 |
|
offset--; |
| 152 |
|
if (offset < 0) // should not happen |
| 153 |
|
{ |
| 154 |
|
log_error("Offset of buffer is negative\n"); |
| 155 |
|
offset = 0; |
| 156 |
|
} |
| 157 |
|
} |
| 158 |
|
buffer[offset] = '\0'; |
| 159 |
|
prints("\033[D \033[D"); |
| 160 |
|
iflush(); |
| 161 |
|
} |
| 162 |
|
continue; |
| 163 |
|
} |
| 164 |
|
else if (c > 255 || iscntrl(c)) |
| 165 |
|
{ |
| 166 |
|
continue; |
| 167 |
|
} |
| 168 |
|
else if (c > 127 && c <= 255) |
| 169 |
|
{ |
| 170 |
|
if (!hz && offset + 2 > buf_size - 1) // No enough space for Chinese character |
| 171 |
|
{ |
| 172 |
|
igetch(0); // Ignore 1 character |
| 173 |
|
outc('\a'); |
| 174 |
|
iflush(); |
| 175 |
|
continue; |
| 176 |
|
} |
| 177 |
|
hz = (!hz); |
| 178 |
|
} |
| 179 |
|
|
| 180 |
|
if (offset + 1 > buf_size - 1) |
| 181 |
|
{ |
| 182 |
|
outc('\a'); |
| 183 |
|
iflush(); |
| 184 |
|
continue; |
| 185 |
|
} |
| 186 |
|
|
| 187 |
|
buffer[offset++] = (char)c; |
| 188 |
|
buffer[offset] = '\0'; |
| 189 |
|
|
| 190 |
|
switch (echo_mode) |
| 191 |
|
{ |
| 192 |
|
case DOECHO: |
| 193 |
|
outc((char)c); |
| 194 |
|
break; |
| 195 |
|
case NOECHO: |
| 196 |
|
outc('*'); |
| 197 |
|
break; |
| 198 |
|
} |
| 199 |
|
if (!hz) |
| 200 |
|
{ |
| 201 |
|
iflush(); |
| 202 |
|
} |
| 203 |
} |
} |
| 204 |
if (c > 255 || iscntrl (c)) |
|
| 205 |
|
return offset; |
| 206 |
|
} |
| 207 |
|
|
| 208 |
|
int str_input(char *buffer, int buf_size, int echo_mode) |
| 209 |
|
{ |
| 210 |
|
int len; |
| 211 |
|
|
| 212 |
|
buffer[0] = '\0'; |
| 213 |
|
|
| 214 |
|
len = _str_input(buffer, buf_size, echo_mode); |
| 215 |
|
|
| 216 |
|
prints("\r\n"); |
| 217 |
|
iflush(); |
| 218 |
|
|
| 219 |
|
return len; |
| 220 |
|
}; |
| 221 |
|
|
| 222 |
|
int get_data(int row, int col, char *prompt, char *buffer, int buf_size, int echo_mode) |
| 223 |
|
{ |
| 224 |
|
int len; |
| 225 |
|
|
| 226 |
|
moveto(row, col); |
| 227 |
|
prints("%s", prompt); |
| 228 |
|
prints("%s", buffer); |
| 229 |
|
iflush(); |
| 230 |
|
|
| 231 |
|
len = _str_input(buffer, buf_size, echo_mode); |
| 232 |
|
|
| 233 |
|
return len; |
| 234 |
|
} |
| 235 |
|
|
| 236 |
|
int display_data(const void *p_data, long line_total, const long *p_line_offsets, int begin_line, int wait, |
| 237 |
|
display_data_key_handler key_handler, const char *help_filename) |
| 238 |
|
{ |
| 239 |
|
static int show_help = 1; |
| 240 |
|
char buffer[LINE_BUFFER_LEN]; |
| 241 |
|
char msg_ext[MSG_EXT_MAX_LEN]; |
| 242 |
|
int ch = 0; |
| 243 |
|
int input_ok, line, max_lines; |
| 244 |
|
long int line_current = 0; |
| 245 |
|
long int len; |
| 246 |
|
long int percentile; |
| 247 |
|
int loop; |
| 248 |
|
int eol, display_len; |
| 249 |
|
|
| 250 |
|
clrline(begin_line, SCREEN_ROWS); |
| 251 |
|
line = begin_line; |
| 252 |
|
max_lines = SCREEN_ROWS - 1; |
| 253 |
|
|
| 254 |
|
// update msg_ext with extended key handler |
| 255 |
|
if (key_handler(&ch, msg_ext, sizeof(msg_ext)) != 0) |
| 256 |
{ |
{ |
| 257 |
continue; |
return ch; |
| 258 |
} |
} |
| 259 |
if (c > 127 && c <= 255) |
|
| 260 |
|
loop = 1; |
| 261 |
|
while (!SYS_server_exit && loop) |
| 262 |
{ |
{ |
| 263 |
hz = (!hz); |
if (line_current >= line_total && line_total <= SCREEN_ROWS - 2) |
| 264 |
|
{ |
| 265 |
|
if (wait) |
| 266 |
|
{ |
| 267 |
|
ch = press_any_key(); |
| 268 |
|
} |
| 269 |
|
else |
| 270 |
|
{ |
| 271 |
|
iflush(); |
| 272 |
|
} |
| 273 |
|
|
| 274 |
|
loop = 0; |
| 275 |
|
break; |
| 276 |
|
} |
| 277 |
|
|
| 278 |
|
if (line_current >= line_total || line >= max_lines) |
| 279 |
|
{ |
| 280 |
|
if (line_current - (line - 1) + (SCREEN_ROWS - 2) < line_total) |
| 281 |
|
{ |
| 282 |
|
percentile = (line_current - (line - 1) + (SCREEN_ROWS - 2)) * 100 / line_total; |
| 283 |
|
} |
| 284 |
|
else |
| 285 |
|
{ |
| 286 |
|
percentile = 100; |
| 287 |
|
} |
| 288 |
|
|
| 289 |
|
snprintf(buffer, sizeof(buffer), |
| 290 |
|
"\033[1;44;33m第\033[32m%ld\033[33m-\033[32m%ld\033[33m行 (\033[32m%ld%%\033[33m) %s", |
| 291 |
|
line_current - (line - 1) + 1, |
| 292 |
|
MIN(line_current - (line - 1) + (SCREEN_ROWS - 2), line_total), |
| 293 |
|
percentile, msg_ext); |
| 294 |
|
|
| 295 |
|
len = split_line(buffer, SCREEN_COLS, &eol, &display_len); |
| 296 |
|
for (; display_len < SCREEN_COLS; display_len++) |
| 297 |
|
{ |
| 298 |
|
buffer[len++] = ' '; |
| 299 |
|
} |
| 300 |
|
buffer[len] = '\0'; |
| 301 |
|
strncat(buffer, "\033[m", sizeof(buffer) - 1 - strnlen(buffer, sizeof(buffer))); |
| 302 |
|
|
| 303 |
|
moveto(SCREEN_ROWS, 0); |
| 304 |
|
prints("%s", buffer); |
| 305 |
|
iflush(); |
| 306 |
|
|
| 307 |
|
input_ok = 0; |
| 308 |
|
while (!SYS_server_exit && !input_ok) |
| 309 |
|
{ |
| 310 |
|
ch = igetch_t(MAX_DELAY_TIME); |
| 311 |
|
input_ok = 1; |
| 312 |
|
|
| 313 |
|
// extended key handler |
| 314 |
|
if (key_handler(&ch, msg_ext, sizeof(msg_ext)) != 0) |
| 315 |
|
{ |
| 316 |
|
goto cleanup; |
| 317 |
|
} |
| 318 |
|
|
| 319 |
|
switch (ch) |
| 320 |
|
{ |
| 321 |
|
case KEY_NULL: |
| 322 |
|
case KEY_TIMEOUT: |
| 323 |
|
goto cleanup; |
| 324 |
|
case KEY_HOME: |
| 325 |
|
line_current = 0; |
| 326 |
|
line = begin_line; |
| 327 |
|
max_lines = SCREEN_ROWS - 1; |
| 328 |
|
clrline(begin_line, SCREEN_ROWS); |
| 329 |
|
break; |
| 330 |
|
case KEY_END: |
| 331 |
|
line_current = line_total - (SCREEN_ROWS - 2); |
| 332 |
|
line = begin_line; |
| 333 |
|
max_lines = SCREEN_ROWS - 1; |
| 334 |
|
clrline(begin_line, SCREEN_ROWS); |
| 335 |
|
break; |
| 336 |
|
case KEY_UP: |
| 337 |
|
if (line_current - line < 0) // Reach top |
| 338 |
|
{ |
| 339 |
|
break; |
| 340 |
|
} |
| 341 |
|
line_current -= line; |
| 342 |
|
line = begin_line; |
| 343 |
|
// max_lines = begin_line + 1; |
| 344 |
|
// prints("\033[T"); // Scroll down 1 line |
| 345 |
|
max_lines = SCREEN_ROWS - 1; // Legacy Fterm only works with this line |
| 346 |
|
break; |
| 347 |
|
case CR: |
| 348 |
|
igetch_reset(); |
| 349 |
|
case KEY_SPACE: |
| 350 |
|
case KEY_DOWN: |
| 351 |
|
if (line_current + ((SCREEN_ROWS - 2) - (line - 1)) >= line_total) // Reach bottom |
| 352 |
|
{ |
| 353 |
|
break; |
| 354 |
|
} |
| 355 |
|
line_current += ((SCREEN_ROWS - 2) - (line - 1)); |
| 356 |
|
line = SCREEN_ROWS - 2; |
| 357 |
|
max_lines = SCREEN_ROWS - 1; |
| 358 |
|
moveto(SCREEN_ROWS, 0); |
| 359 |
|
clrtoeol(); |
| 360 |
|
prints("\033[S"); // Scroll up 1 line |
| 361 |
|
break; |
| 362 |
|
case KEY_PGUP: |
| 363 |
|
if (line_current - line < 0) // Reach top |
| 364 |
|
{ |
| 365 |
|
break; |
| 366 |
|
} |
| 367 |
|
line_current -= ((SCREEN_ROWS - 3) + (line - 1)); |
| 368 |
|
if (line_current < 0) |
| 369 |
|
{ |
| 370 |
|
line_current = 0; |
| 371 |
|
} |
| 372 |
|
line = begin_line; |
| 373 |
|
max_lines = SCREEN_ROWS - 1; |
| 374 |
|
clrline(begin_line, SCREEN_ROWS); |
| 375 |
|
break; |
| 376 |
|
case KEY_PGDN: |
| 377 |
|
if (line_current + (SCREEN_ROWS - 2) - (line - 1) >= line_total) // Reach bottom |
| 378 |
|
{ |
| 379 |
|
break; |
| 380 |
|
} |
| 381 |
|
line_current += (SCREEN_ROWS - 3) - (line - 1); |
| 382 |
|
if (line_current + SCREEN_ROWS - 2 > line_total) // No enough lines to display |
| 383 |
|
{ |
| 384 |
|
line_current = line_total - (SCREEN_ROWS - 2); |
| 385 |
|
} |
| 386 |
|
line = begin_line; |
| 387 |
|
max_lines = SCREEN_ROWS - 1; |
| 388 |
|
clrline(begin_line, SCREEN_ROWS); |
| 389 |
|
break; |
| 390 |
|
case KEY_ESC: |
| 391 |
|
case KEY_LEFT: |
| 392 |
|
loop = 0; |
| 393 |
|
break; |
| 394 |
|
case 'h': |
| 395 |
|
if (!show_help) // Not reentrant |
| 396 |
|
{ |
| 397 |
|
break; |
| 398 |
|
} |
| 399 |
|
|
| 400 |
|
// Display help information |
| 401 |
|
show_help = 0; |
| 402 |
|
display_file(help_filename, begin_line, 1); |
| 403 |
|
show_help = 1; |
| 404 |
|
case KEY_F5: |
| 405 |
|
// Refresh after display help information |
| 406 |
|
line_current -= (line - 1); |
| 407 |
|
line = begin_line; |
| 408 |
|
max_lines = SCREEN_ROWS - 1; |
| 409 |
|
clrline(begin_line, SCREEN_ROWS); |
| 410 |
|
break; |
| 411 |
|
case 0: // Refresh bottom line |
| 412 |
|
break; |
| 413 |
|
default: |
| 414 |
|
input_ok = 0; |
| 415 |
|
break; |
| 416 |
|
} |
| 417 |
|
|
| 418 |
|
BBS_last_access_tm = time(0); |
| 419 |
|
} |
| 420 |
|
|
| 421 |
|
continue; |
| 422 |
|
} |
| 423 |
|
|
| 424 |
|
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 425 |
|
if (len >= LINE_BUFFER_LEN) |
| 426 |
|
{ |
| 427 |
|
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 428 |
|
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 429 |
|
len = LINE_BUFFER_LEN - 1; |
| 430 |
|
} |
| 431 |
|
|
| 432 |
|
memcpy(buffer, (const char *)p_data + p_line_offsets[line_current], (size_t)len); |
| 433 |
|
buffer[len] = '\0'; |
| 434 |
|
|
| 435 |
|
moveto(line, 0); |
| 436 |
|
clrtoeol(); |
| 437 |
|
prints("%s", buffer); |
| 438 |
|
line_current++; |
| 439 |
|
line++; |
| 440 |
} |
} |
| 441 |
if (offset >= buffer_length) |
|
| 442 |
|
cleanup: |
| 443 |
|
return ch; |
| 444 |
|
} |
| 445 |
|
|
| 446 |
|
static int display_file_key_handler(int *key, char *msg, size_t msg_len) |
| 447 |
|
{ |
| 448 |
|
static int topic_view = 0; |
| 449 |
|
|
| 450 |
|
switch (*key) |
| 451 |
{ |
{ |
| 452 |
outc ('\a'); |
case 0: // Set msg |
| 453 |
continue; |
snprintf(msg, msg_len, |
| 454 |
|
"| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] │ " |
| 455 |
|
"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] │ " |
| 456 |
|
"帮助[\033[32mh\033[33m] |"); |
| 457 |
|
break; |
| 458 |
|
case 'p': |
| 459 |
|
break; |
| 460 |
|
topic_view = !topic_view; |
| 461 |
|
if (topic_view) |
| 462 |
|
{ |
| 463 |
|
snprintf(msg, msg_len, |
| 464 |
|
"| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] │ " |
| 465 |
|
"同主题阅读[\033[32m↑\033[33m/\033[32m↓\033[33m] │ " |
| 466 |
|
"帮助[\033[32mh\033[33m] |"); |
| 467 |
|
} |
| 468 |
|
else |
| 469 |
|
{ |
| 470 |
|
snprintf(msg, msg_len, |
| 471 |
|
"| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] │ " |
| 472 |
|
"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] │ " |
| 473 |
|
"帮助[\033[32mh\033[33m] |"); |
| 474 |
|
} |
| 475 |
|
*key = 0; |
| 476 |
|
break; |
| 477 |
|
case 'H': |
| 478 |
|
*key = 'h'; |
| 479 |
|
return 0; |
| 480 |
} |
} |
| 481 |
buffer[offset++] = (char) c; |
|
| 482 |
buffer[offset] = '\0'; |
return 0; |
| 483 |
switch (echo_mode) |
} |
| 484 |
|
|
| 485 |
|
int display_file(const char *filename, int begin_line, int wait) |
| 486 |
|
{ |
| 487 |
|
int ret; |
| 488 |
|
const void *p_shm; |
| 489 |
|
size_t data_len; |
| 490 |
|
long line_total; |
| 491 |
|
const void *p_data; |
| 492 |
|
const long *p_line_offsets; |
| 493 |
|
|
| 494 |
|
if ((p_shm = get_file_shm_readonly(filename, &data_len, &line_total, &p_data, &p_line_offsets)) == NULL) |
| 495 |
{ |
{ |
| 496 |
case 0: |
log_error("get_file_shm(%s) error\n", filename); |
| 497 |
outc ((char) c); |
return KEY_NULL; |
|
break; |
|
|
case 1: |
|
|
outc ('*'); |
|
|
break; |
|
| 498 |
} |
} |
| 499 |
if (!hz) |
|
| 500 |
|
ret = display_data(p_data, line_total, p_line_offsets, begin_line, wait, display_file_key_handler, DATA_READ_HELP); |
| 501 |
|
|
| 502 |
|
if (detach_file_shm(p_shm) < 0) |
| 503 |
{ |
{ |
| 504 |
iflush (); |
log_error("detach_file_shm(%s) error\n", filename); |
| 505 |
} |
} |
|
} |
|
| 506 |
|
|
| 507 |
prints ("\r\n"); |
return ret; |
| 508 |
iflush (); |
} |
| 509 |
|
|
| 510 |
|
int show_top(const char *str_left, const char *str_middle, const char *str_right) |
| 511 |
|
{ |
| 512 |
|
char str_left_f[STR_TOP_LEFT_MAX_LEN + 1]; |
| 513 |
|
char str_middle_f[STR_TOP_MIDDLE_MAX_LEN + 1]; |
| 514 |
|
char str_right_f[STR_TOP_RIGHT_MAX_LEN + 1]; |
| 515 |
|
int str_left_len; |
| 516 |
|
int str_middle_len; |
| 517 |
|
int str_right_len; |
| 518 |
|
int eol; |
| 519 |
|
int len; |
| 520 |
|
|
| 521 |
|
strncpy(str_left_f, str_left, sizeof(str_left_f) - 1); |
| 522 |
|
str_left_f[sizeof(str_left_f) - 1] = '\0'; |
| 523 |
|
len = split_line(str_left_f, STR_TOP_LEFT_MAX_LEN, &eol, &str_left_len); |
| 524 |
|
str_left_f[len] = '\0'; |
| 525 |
|
|
| 526 |
|
strncpy(str_middle_f, str_middle, sizeof(str_middle_f) - 1); |
| 527 |
|
str_middle_f[sizeof(str_middle_f) - 1] = '\0'; |
| 528 |
|
len = split_line(str_middle, STR_TOP_MIDDLE_MAX_LEN, &eol, &str_middle_len); |
| 529 |
|
str_middle_f[len] = '\0'; |
| 530 |
|
|
| 531 |
|
strncpy(str_right_f, str_right, sizeof(str_right_f) - 1); |
| 532 |
|
str_right_f[sizeof(str_right_f) - 1] = '\0'; |
| 533 |
|
len = split_line(str_right, STR_TOP_RIGHT_MAX_LEN, &eol, &str_right_len); |
| 534 |
|
str_right_f[len] = '\0'; |
| 535 |
|
|
| 536 |
|
moveto(1, 0); |
| 537 |
|
clrtoeol(); |
| 538 |
|
prints("\033[1;44;33m%s\033[37m%*s\033[33m%*s\033[m", |
| 539 |
|
str_left_f, 44 - str_left_len, str_middle_f, 36, str_right_f); |
| 540 |
|
|
| 541 |
return offset; |
return 0; |
| 542 |
} |
} |
| 543 |
|
|
| 544 |
int |
int show_bottom(const char *msg) |
|
display_file (const char *filename) |
|
| 545 |
{ |
{ |
| 546 |
char buffer[260]; |
char str_time[LINE_BUFFER_LEN]; |
| 547 |
FILE *fin; |
time_t time_online; |
| 548 |
int i; |
struct tm *tm_online; |
| 549 |
|
char msg_f[LINE_BUFFER_LEN]; |
| 550 |
|
int eol; |
| 551 |
|
int msg_len; |
| 552 |
|
int len; |
| 553 |
|
int len_username; |
| 554 |
|
|
| 555 |
|
get_time_str(str_time, sizeof(str_time)); |
| 556 |
|
|
| 557 |
|
msg_f[0] = '\0'; |
| 558 |
|
msg_len = 0; |
| 559 |
|
if (msg != NULL) |
| 560 |
|
{ |
| 561 |
|
strncpy(msg_f, msg, sizeof(msg_f) - 1); |
| 562 |
|
msg_f[sizeof(msg_f) - 1] = '\0'; |
| 563 |
|
len = split_line(msg_f, 23, &eol, &msg_len); |
| 564 |
|
msg_f[len] = '\0'; |
| 565 |
|
} |
| 566 |
|
|
| 567 |
|
len_username = (int)strnlen(BBS_username, sizeof(BBS_username)); |
| 568 |
|
|
| 569 |
|
time_online = time(0) - BBS_login_tm; |
| 570 |
|
tm_online = gmtime(&time_online); |
| 571 |
|
|
| 572 |
if ((fin = fopen (filename, "r")) != NULL) |
moveto(SCREEN_ROWS, 0); |
| 573 |
{ |
clrtoeol(); |
| 574 |
while (fgets (buffer, 255, fin)) |
prints("\033[1;44;33m时间[\033[36m%s\033[33m]%s%*s \033[33m帐号[\033[36m%s\033[33m]" |
| 575 |
{ |
"[\033[36m%1d\033[33m天\033[36m%2d\033[33m时\033[36m%2d\033[33m分]\033[m", |
| 576 |
i = strlen (buffer); |
str_time, msg_f, 35 - msg_len - len_username, "", BBS_username, |
| 577 |
if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') |
tm_online->tm_mday - 1, tm_online->tm_hour, tm_online->tm_min); |
| 578 |
{ |
|
| 579 |
buffer[i - 1] = '\r'; |
return 0; |
|
buffer[i] = '\n'; |
|
|
buffer[i + 1] = '\0'; |
|
|
} |
|
|
prints (buffer); |
|
|
iflush (); |
|
|
} |
|
|
fclose(fin); |
|
|
return 0; |
|
|
} |
|
|
|
|
|
return -1; |
|
| 580 |
} |
} |
| 581 |
|
|
| 582 |
int |
int show_active_board() |
|
display_file_ex (const char *filename, int begin_line, int wait) |
|
| 583 |
{ |
{ |
| 584 |
char buffer[260], temp[256]; |
static int line_current = 0; |
| 585 |
int i, ch, input_ok; |
static const void *p_shm = NULL; |
| 586 |
long int line, c_line_begin = 0, c_line_total=0; |
static size_t data_len; |
| 587 |
long int f_line, f_size, f_offset; |
static long line_total; |
| 588 |
FILE *fin; |
static const void *p_data; |
| 589 |
struct stat f_stat; |
static const long *p_line_offsets; |
| 590 |
|
|
| 591 |
|
static time_t t_last_show = 0; |
| 592 |
|
static int line_last = 0; |
| 593 |
|
|
| 594 |
clrline (begin_line, screen_lines); |
char buffer[LINE_BUFFER_LEN]; |
| 595 |
line = begin_line; |
long int len; |
|
moveto (line, 0); |
|
| 596 |
|
|
| 597 |
if ((fin = fopen (filename, "r")) != NULL) |
if (p_shm == NULL) |
|
{ |
|
|
if (fstat (fileno (fin), &f_stat) != 0) |
|
| 598 |
{ |
{ |
| 599 |
log_error ("Get file stat failed\n"); |
if ((p_shm = get_file_shm_readonly(DATA_ACTIVE_BOARD, &data_len, &line_total, &p_data, &p_line_offsets)) == NULL) |
| 600 |
return -1; |
{ |
| 601 |
|
log_error("get_file_shm(%s) error\n", DATA_ACTIVE_BOARD); |
| 602 |
|
return KEY_NULL; |
| 603 |
|
} |
| 604 |
} |
} |
|
f_size = f_stat.st_size; |
|
|
|
|
|
while (fgets (buffer, 255, fin)) |
|
|
c_line_total ++; |
|
|
rewind (fin); |
|
| 605 |
|
|
| 606 |
while (fgets (buffer, 255, fin)) |
if (time(0) - t_last_show >= 10) |
| 607 |
{ |
{ |
| 608 |
if (line >= screen_lines) |
line_last = line_current; |
| 609 |
{ |
t_last_show = time(0); |
| 610 |
f_offset = ftell (fin); |
} |
| 611 |
|
else |
| 612 |
|
{ |
| 613 |
|
line_current = line_last; |
| 614 |
|
} |
| 615 |
|
|
| 616 |
moveto (screen_lines, 0); |
clrline(2, 2 + ACTIVE_BOARD_HEIGHT); |
|
prints |
|
|
("\033[1;44;32m下面还有喔 (%d%%)\033[33m │ 结束 ← <q> │ ↑/↓/PgUp/PgDn 移动 │ ? 辅助说明 │ \033[m", |
|
|
(f_offset-strlen(buffer)) * 100 / f_size); |
|
|
iflush (); |
|
| 617 |
|
|
| 618 |
input_ok = 0; |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
| 619 |
while (!input_ok) |
{ |
| 620 |
|
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 621 |
|
if (len >= LINE_BUFFER_LEN) |
| 622 |
{ |
{ |
| 623 |
ch = igetch (); |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 624 |
input_ok = 1; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 625 |
switch (ch) |
len = LINE_BUFFER_LEN - 1; |
| 626 |
{ |
} |
|
case KEY_UP: |
|
|
c_line_begin--; |
|
|
if (c_line_begin >= 0) |
|
|
{ |
|
|
rewind (fin); |
|
|
for (f_line = 0; f_line < c_line_begin; f_line++) |
|
|
{ |
|
|
if (fgets (buffer, 255, fin) == NULL) |
|
|
goto exit; |
|
|
} |
|
|
} |
|
|
else |
|
|
{ |
|
|
goto exit; |
|
|
} |
|
|
break; |
|
|
case KEY_DOWN: |
|
|
case CR: |
|
|
c_line_begin++; |
|
|
rewind (fin); |
|
|
for (f_line = 0; f_line < c_line_begin; f_line++) |
|
|
{ |
|
|
if (fgets (buffer, 255, fin) == NULL) |
|
|
goto exit; |
|
|
} |
|
|
break; |
|
|
case KEY_PGUP: |
|
|
case Ctrl ('B'): |
|
|
if (c_line_begin > 0) |
|
|
c_line_begin -= (screen_lines - begin_line - 1); |
|
|
else |
|
|
goto exit; |
|
|
if (c_line_begin < 0) |
|
|
c_line_begin = 0; |
|
|
rewind (fin); |
|
|
for (f_line = 0; f_line < c_line_begin; f_line++) |
|
|
{ |
|
|
if (fgets (buffer, 255, fin) == NULL) |
|
|
goto exit; |
|
|
} |
|
|
break; |
|
|
case KEY_RIGHT: |
|
|
case KEY_PGDOWN: |
|
|
case Ctrl ('F'): |
|
|
case KEY_SPACE: |
|
|
c_line_begin += (screen_lines - begin_line - 1); |
|
|
if (c_line_begin + (screen_lines - begin_line) > c_line_total) |
|
|
c_line_begin = c_line_total - (screen_lines - begin_line); |
|
|
rewind (fin); |
|
|
for (f_line = 0; f_line < c_line_begin; f_line++) |
|
|
{ |
|
|
if (fgets (buffer, 255, fin) == NULL) |
|
|
goto exit; |
|
|
} |
|
|
break; |
|
|
case KEY_LEFT: |
|
|
case 'q': |
|
|
case 'Q': |
|
|
goto exit; |
|
|
break; |
|
|
case '?': |
|
|
case 'h': |
|
|
case 'H': |
|
|
//Display help information |
|
|
strcpy (temp, app_home_dir); |
|
|
strcat (temp, "data/read_help.txt"); |
|
|
display_file_ex (temp, begin_line, 1); |
|
|
|
|
|
//Refresh after display help information |
|
|
rewind (fin); |
|
|
for (f_line = 0; f_line < c_line_begin; f_line++) |
|
|
{ |
|
|
if (fgets (buffer, 255, fin) == NULL) |
|
|
goto exit; |
|
|
} |
|
|
break; |
|
|
default: |
|
|
input_ok = 0; |
|
|
break; |
|
|
} |
|
|
} |
|
|
|
|
|
clrline (begin_line, screen_lines); |
|
|
line = begin_line; |
|
|
moveto (line, 0); |
|
|
|
|
|
continue; |
|
|
} |
|
|
|
|
|
i = strlen (buffer); |
|
|
if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') |
|
|
{ |
|
|
buffer[i - 1] = '\r'; |
|
|
buffer[i] = '\n'; |
|
|
buffer[i + 1] = '\0'; |
|
|
} |
|
|
prints (buffer); |
|
|
iflush (); |
|
|
|
|
|
line++; |
|
|
} |
|
|
if (wait) |
|
|
ch = press_any_key(); |
|
|
else |
|
|
ch = 0; |
|
| 627 |
|
|
| 628 |
exit: |
memcpy(buffer, (const char *)p_data + p_line_offsets[line_current], (size_t)len); |
| 629 |
fclose (fin); |
buffer[len] = '\0'; |
| 630 |
|
|
| 631 |
return ch; |
moveto(3 + i, 0); |
| 632 |
} |
prints("%s", buffer); |
| 633 |
|
|
| 634 |
|
line_current++; |
| 635 |
|
if (line_current >= line_total) |
| 636 |
|
{ |
| 637 |
|
line_current = 0; |
| 638 |
|
break; |
| 639 |
|
} |
| 640 |
|
} |
| 641 |
|
|
| 642 |
return -1; |
return 0; |
| 643 |
} |
} |
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Revision Log
| 
Patch