| 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" |
#include "bbs.h" |
| 19 |
#include "common.h" |
#include "common.h" |
| 20 |
#include "str_process.h" |
#include "str_process.h" |
| 21 |
#include "log.h" |
#include "log.h" |
| 22 |
#include "io.h" |
#include "io.h" |
| 23 |
#include "screen.h" |
#include "editor.h" |
| 24 |
#include <string.h> |
#include "file_loader.h" |
| 25 |
|
#include <fcntl.h> |
| 26 |
#include <ctype.h> |
#include <ctype.h> |
|
#include <sys/types.h> |
|
|
#include <sys/stat.h> |
|
| 27 |
#include <unistd.h> |
#include <unistd.h> |
| 28 |
#include <stdlib.h> |
#include <stdlib.h> |
| 29 |
|
#include <errno.h> |
| 30 |
|
#include <sys/types.h> |
| 31 |
|
#include <sys/stat.h> |
| 32 |
|
#include <sys/param.h> |
| 33 |
|
#include <sys/shm.h> |
| 34 |
|
|
| 35 |
|
#define _POSIX_C_SOURCE 200809L |
| 36 |
|
#include <string.h> |
| 37 |
|
|
| 38 |
#define ACTIVE_BOARD_HEIGHT 8 |
#define ACTIVE_BOARD_HEIGHT 8 |
| 39 |
|
|
| 40 |
int screen_rows = 24; |
#define STR_TOP_LEFT_MAX_LEN 40 |
| 41 |
int screen_cols = 80; |
#define STR_TOP_MIDDLE_MAX_LEN 20 |
| 42 |
|
#define STR_TOP_RIGHT_MAX_LEN 20 |
| 43 |
|
|
| 44 |
void moveto(int row, int col) |
void moveto(int row, int col) |
| 45 |
{ |
{ |
| 55 |
|
|
| 56 |
void clrtoeol() |
void clrtoeol() |
| 57 |
{ |
{ |
| 58 |
prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 59 |
} |
} |
| 60 |
|
|
| 61 |
void clrline(int line_begin, int line_end) |
void clrline(int line_begin, int line_end) |
| 65 |
for (i = line_begin; i <= line_end; i++) |
for (i = line_begin; i <= line_end; i++) |
| 66 |
{ |
{ |
| 67 |
moveto(i, 0); |
moveto(i, 0); |
| 68 |
prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 69 |
} |
} |
| 70 |
} |
} |
| 71 |
|
|
| 84 |
|
|
| 85 |
int press_any_key() |
int press_any_key() |
| 86 |
{ |
{ |
| 87 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 88 |
clrtoeol(); |
clrtoeol(); |
| 89 |
|
|
| 90 |
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"); |
| 91 |
iflush(); |
iflush(); |
| 92 |
|
|
| 93 |
return igetch_t(60); |
return igetch_t(MIN(MAX_DELAY_TIME, 60)); |
| 94 |
} |
} |
| 95 |
|
|
| 96 |
void set_input_echo(int echo) |
void set_input_echo(int echo) |
| 106 |
prints("\xff\xfb\x01\xff\xfb\x03"); |
prints("\xff\xfb\x01\xff\xfb\x03"); |
| 107 |
iflush(); |
iflush(); |
| 108 |
igetch(0); |
igetch(0); |
| 109 |
igetch(1); |
igetch_reset(); |
| 110 |
} |
} |
| 111 |
} |
} |
| 112 |
|
|
| 113 |
static int _str_input(char *buffer, int buffer_length, int echo_mode) |
static int _str_input(char *buffer, int buf_size, int echo_mode) |
| 114 |
{ |
{ |
| 115 |
int c, offset = 0, i, hz = 0; |
int c; |
| 116 |
|
int offset = 0; |
| 117 |
|
int hz = 0; |
| 118 |
|
|
| 119 |
for (i = 0; i < buffer_length && buffer[i] != '\0'; i++) |
buffer[buf_size - 1] = '\0'; |
| 120 |
{ |
for (offset = 0; offset < buf_size - 1 && buffer[offset] != '\0'; offset++) |
| 121 |
offset++; |
; |
| 122 |
} |
|
| 123 |
|
igetch_reset(); |
| 124 |
|
|
| 125 |
while ((c = igetch_t(60))) |
while (!SYS_server_exit) |
| 126 |
{ |
{ |
| 127 |
if (c == KEY_NULL || c == KEY_TIMEOUT || c == CR) |
c = igetch_t(MIN(MAX_DELAY_TIME, 60)); |
| 128 |
|
|
| 129 |
|
if (c == CR) |
| 130 |
{ |
{ |
| 131 |
igetch(1); // Cleanup remaining '\n' in the buffer |
igetch_reset(); |
| 132 |
break; |
break; |
| 133 |
} |
} |
| 134 |
if (c == LF) |
else if (c == KEY_TIMEOUT || c == KEY_NULL) // timeout or broken pipe |
| 135 |
|
{ |
| 136 |
|
return -1; |
| 137 |
|
} |
| 138 |
|
else if (c == LF || c == '\0') |
| 139 |
{ |
{ |
| 140 |
continue; |
continue; |
| 141 |
} |
} |
| 142 |
if (c == BACKSPACE) |
else if (c == BACKSPACE) |
| 143 |
{ |
{ |
| 144 |
if (offset > 0) |
if (offset > 0) |
| 145 |
{ |
{ |
| 160 |
} |
} |
| 161 |
continue; |
continue; |
| 162 |
} |
} |
| 163 |
if (c > 255 || iscntrl(c)) |
else if (c > 255 || iscntrl(c)) |
| 164 |
{ |
{ |
| 165 |
continue; |
continue; |
| 166 |
} |
} |
| 167 |
if (c > 127 && c <= 255) |
else if (c > 127 && c <= 255) |
| 168 |
{ |
{ |
| 169 |
if (!hz && offset + 2 > buffer_length) // No enough space for Chinese character |
if (!hz && offset + 2 > buf_size - 1) // No enough space for Chinese character |
| 170 |
{ |
{ |
| 171 |
igetch(1); // Clear remaining input |
igetch(0); // Ignore 1 character |
| 172 |
outc('\a'); |
outc('\a'); |
| 173 |
iflush(); |
iflush(); |
| 174 |
continue; |
continue; |
| 175 |
} |
} |
| 176 |
hz = (!hz); |
hz = (!hz); |
| 177 |
} |
} |
| 178 |
if (offset >= buffer_length) |
|
| 179 |
|
if (offset + 1 > buf_size - 1) |
| 180 |
{ |
{ |
| 181 |
outc('\a'); |
outc('\a'); |
| 182 |
iflush(); |
iflush(); |
| 183 |
continue; |
continue; |
| 184 |
} |
} |
| 185 |
|
|
| 186 |
buffer[offset++] = (char)c; |
buffer[offset++] = (char)c; |
| 187 |
buffer[offset] = '\0'; |
buffer[offset] = '\0'; |
| 188 |
|
|
| 189 |
switch (echo_mode) |
switch (echo_mode) |
| 190 |
{ |
{ |
| 191 |
case DOECHO: |
case DOECHO: |
| 201 |
} |
} |
| 202 |
} |
} |
| 203 |
|
|
|
prints("\r\n"); |
|
|
iflush(); |
|
|
|
|
| 204 |
return offset; |
return offset; |
| 205 |
} |
} |
| 206 |
|
|
| 207 |
int str_input(char *buffer, int buffer_length, int echo_mode) |
int str_input(char *buffer, int buf_size, int echo_mode) |
| 208 |
{ |
{ |
| 209 |
int offset; |
int len; |
| 210 |
|
|
| 211 |
memset(buffer, '\0', buffer_length); |
buffer[0] = '\0'; |
| 212 |
|
|
| 213 |
offset = _str_input(buffer, buffer_length, echo_mode); |
len = _str_input(buffer, buf_size, echo_mode); |
| 214 |
|
|
| 215 |
return offset; |
prints("\r\n"); |
| 216 |
|
iflush(); |
| 217 |
|
|
| 218 |
|
return len; |
| 219 |
}; |
}; |
| 220 |
|
|
| 221 |
int get_data(int row, int col, char *prompt, char *buffer, int buffer_length, int echo_mode) |
int get_data(int row, int col, char *prompt, char *buffer, int buf_size, int echo_mode) |
| 222 |
{ |
{ |
| 223 |
int len; |
int len; |
| 224 |
|
|
| 225 |
moveto(row, col); |
moveto(row, col); |
| 226 |
prints(prompt); |
prints("%s", prompt); |
| 227 |
prints(buffer); |
prints("%s", buffer); |
| 228 |
iflush(); |
iflush(); |
| 229 |
|
|
| 230 |
len = _str_input(buffer, buffer_length, echo_mode); |
len = _str_input(buffer, buf_size, echo_mode); |
| 231 |
|
|
| 232 |
return len; |
return len; |
| 233 |
} |
} |
| 234 |
|
|
| 235 |
int display_file(const char *filename) |
int display_data(const void *p_data, long display_line_total, const long *p_line_offsets, int eof_exit, |
| 236 |
{ |
display_data_key_handler key_handler, const char *help_filename) |
|
char buffer[LINE_BUFFER_LEN]; |
|
|
FILE *fin; |
|
|
int i; |
|
|
|
|
|
if ((fin = fopen(filename, "r")) == NULL) |
|
|
{ |
|
|
return -1; |
|
|
} |
|
|
|
|
|
while (fgets(buffer, sizeof(buffer) - 1, fin)) |
|
|
{ |
|
|
i = strnlen(buffer, sizeof(buffer) - 1); |
|
|
if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') |
|
|
{ |
|
|
buffer[i - 1] = '\r'; |
|
|
buffer[i] = '\n'; |
|
|
buffer[i + 1] = '\0'; |
|
|
} |
|
|
prints(buffer); |
|
|
iflush(); |
|
|
} |
|
|
fclose(fin); |
|
|
|
|
|
return 0; |
|
|
} |
|
|
|
|
|
int display_file_ex(const char *filename, int begin_line, int wait) |
|
| 237 |
{ |
{ |
| 238 |
|
static int show_help = 1; |
| 239 |
char buffer[LINE_BUFFER_LEN]; |
char buffer[LINE_BUFFER_LEN]; |
| 240 |
|
DISPLAY_CTX ctx; |
| 241 |
int ch = 0; |
int ch = 0; |
| 242 |
int input_ok, line, max_lines; |
int input_ok; |
| 243 |
long int c_line_current = 0, c_line_total = 0; |
const int screen_begin_row = 1; |
| 244 |
FILE *fin; |
const int screen_row_total = SCREEN_ROWS - screen_begin_row; |
| 245 |
long *p_line_offsets; |
int output_current_row = screen_begin_row; |
| 246 |
int len; |
int output_end_row = SCREEN_ROWS - 1; |
| 247 |
int percentile; |
long int line_current = 0; |
| 248 |
int loop = 1; |
long int len; |
| 249 |
|
long int percentile; |
| 250 |
|
int loop; |
| 251 |
|
int eol, display_len; |
| 252 |
|
|
| 253 |
if ((fin = fopen(filename, "r")) == NULL) |
clrline(output_current_row, SCREEN_ROWS); |
| 254 |
|
|
| 255 |
|
// update msg_ext with extended key handler |
| 256 |
|
if (key_handler(&ch, &ctx) != 0) |
| 257 |
{ |
{ |
| 258 |
log_error("Unable to open file %s\n", filename); |
return ch; |
|
return -1; |
|
| 259 |
} |
} |
| 260 |
|
|
| 261 |
p_line_offsets = (long *)malloc(sizeof(long) * MAX_FILE_LINES); |
loop = 1; |
| 262 |
|
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) |
|
| 263 |
{ |
{ |
| 264 |
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) |
| 265 |
{ |
{ |
| 266 |
if (wait) |
if (eof_exit == 1) |
| 267 |
{ |
{ |
| 268 |
ch = press_any_key(); |
ch = press_any_key(); |
| 269 |
} |
} |
| 270 |
else |
else // if (eof_exit == 2) |
| 271 |
{ |
{ |
| 272 |
iflush(); |
iflush(); |
| 273 |
} |
} |
| 276 |
break; |
break; |
| 277 |
} |
} |
| 278 |
|
|
| 279 |
if (c_line_current >= c_line_total || line >= max_lines) |
if (line_current >= display_line_total || output_current_row > output_end_row) |
| 280 |
{ |
{ |
| 281 |
if (c_line_current - (line - 1) + (screen_rows - 2) < c_line_total) |
ctx.reach_begin = (line_current < output_current_row ? 1 : 0); |
| 282 |
|
|
| 283 |
|
if (line_current - (output_current_row - screen_begin_row) + screen_row_total < display_line_total) |
| 284 |
{ |
{ |
| 285 |
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; |
| 286 |
|
ctx.reach_end = 0; |
| 287 |
} |
} |
| 288 |
else |
else |
| 289 |
{ |
{ |
| 290 |
percentile = 100; |
percentile = 100; |
| 291 |
|
ctx.reach_end = 1; |
| 292 |
} |
} |
| 293 |
|
|
| 294 |
moveto(screen_rows, 0); |
ctx.line_top = line_current - (output_current_row - screen_begin_row) + 1; |
| 295 |
prints("\033[1;44;32m%s (%d%%)%s\033[33m │ 结束 ← <q> │ ↑/↓/PgUp/PgDn 移动 │ ? 辅助说明 │ \033[m", |
ctx.line_bottom = MIN(line_current - (output_current_row - screen_begin_row) + screen_row_total, display_line_total); |
| 296 |
(percentile < 100 ? "下面还有喔" : "没有更多了"), percentile, |
|
| 297 |
(percentile < 10 ? " " : (percentile < 100 ? " " : ""))); |
snprintf(buffer, sizeof(buffer), |
| 298 |
|
"\033[1;44;33m第\033[32m%ld\033[33m-\033[32m%ld\033[33m行 (\033[32m%ld%%\033[33m) %s", |
| 299 |
|
ctx.line_top, |
| 300 |
|
ctx.line_bottom, |
| 301 |
|
percentile, |
| 302 |
|
ctx.msg); |
| 303 |
|
|
| 304 |
|
len = split_line(buffer, SCREEN_COLS, &eol, &display_len); |
| 305 |
|
for (; display_len < SCREEN_COLS; display_len++) |
| 306 |
|
{ |
| 307 |
|
buffer[len++] = ' '; |
| 308 |
|
} |
| 309 |
|
buffer[len] = '\0'; |
| 310 |
|
strncat(buffer, "\033[m", sizeof(buffer) - 1 - strnlen(buffer, sizeof(buffer))); |
| 311 |
|
|
| 312 |
|
moveto(SCREEN_ROWS, 0); |
| 313 |
|
prints("%s", buffer); |
| 314 |
iflush(); |
iflush(); |
| 315 |
|
|
| 316 |
input_ok = 0; |
input_ok = 0; |
| 317 |
while (!input_ok) |
while (!SYS_server_exit && !input_ok) |
| 318 |
{ |
{ |
| 319 |
ch = igetch_t(MAX_DELAY_TIME); |
ch = igetch_t(MAX_DELAY_TIME); |
| 320 |
input_ok = 1; |
input_ok = 1; |
| 321 |
|
|
| 322 |
|
// extended key handler |
| 323 |
|
if (key_handler(&ch, &ctx) != 0) |
| 324 |
|
{ |
| 325 |
|
goto cleanup; |
| 326 |
|
} |
| 327 |
|
|
| 328 |
switch (ch) |
switch (ch) |
| 329 |
{ |
{ |
| 330 |
|
case KEY_NULL: |
| 331 |
|
case KEY_TIMEOUT: |
| 332 |
|
goto cleanup; |
| 333 |
|
case KEY_HOME: |
| 334 |
|
if (line_current - output_current_row < 0) // Reach begin |
| 335 |
|
{ |
| 336 |
|
break; |
| 337 |
|
} |
| 338 |
|
line_current = 0; |
| 339 |
|
output_current_row = screen_begin_row; |
| 340 |
|
output_end_row = SCREEN_ROWS - 1; |
| 341 |
|
clrline(output_current_row, SCREEN_ROWS); |
| 342 |
|
break; |
| 343 |
|
case KEY_END: |
| 344 |
|
if (display_line_total < screen_row_total) |
| 345 |
|
{ |
| 346 |
|
break; |
| 347 |
|
} |
| 348 |
|
line_current = display_line_total - screen_row_total; |
| 349 |
|
output_current_row = screen_begin_row; |
| 350 |
|
output_end_row = SCREEN_ROWS - 1; |
| 351 |
|
clrline(output_current_row, SCREEN_ROWS); |
| 352 |
|
break; |
| 353 |
case KEY_UP: |
case KEY_UP: |
| 354 |
if (c_line_current - line < 0) // Reach top |
if (line_current - output_current_row < 0) // Reach begin |
| 355 |
{ |
{ |
| 356 |
break; |
break; |
| 357 |
} |
} |
| 358 |
c_line_current -= line; |
line_current -= output_current_row; |
| 359 |
line = begin_line; |
output_current_row = screen_begin_row; |
| 360 |
max_lines = begin_line + 1; |
// screen_end_line = screen_begin_line; |
| 361 |
prints("\033[T"); // Scroll down 1 line |
// prints("\033[T"); // Scroll down 1 line |
| 362 |
// 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 |
| 363 |
break; |
break; |
|
case KEY_DOWN: |
|
| 364 |
case CR: |
case CR: |
| 365 |
if (c_line_current + ((screen_rows - 2) - (line - 1)) >= c_line_total) // Reach bottom |
igetch_reset(); |
| 366 |
|
case KEY_SPACE: |
| 367 |
|
case KEY_DOWN: |
| 368 |
|
if (line_current + (screen_row_total - (output_current_row - screen_begin_row)) >= display_line_total) // Reach end |
| 369 |
{ |
{ |
| 370 |
break; |
break; |
| 371 |
} |
} |
| 372 |
c_line_current += ((screen_rows - 2) - (line - 1)); |
line_current += (screen_row_total - (output_current_row - screen_begin_row)); |
| 373 |
line = screen_rows - 2; |
output_current_row = screen_row_total; |
| 374 |
max_lines = screen_rows - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 375 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 376 |
clrtoeol(); |
clrtoeol(); |
| 377 |
prints("\033[S"); // Scroll up 1 line |
prints("\033[S"); // Scroll up 1 line |
| 378 |
break; |
break; |
| 379 |
case KEY_PGUP: |
case KEY_PGUP: |
| 380 |
case Ctrl('B'): |
if (line_current - output_current_row < 0) // Reach begin |
|
if (c_line_current - line < 0) // Reach top |
|
| 381 |
{ |
{ |
| 382 |
break; |
break; |
| 383 |
} |
} |
| 384 |
c_line_current -= ((screen_rows - 3) + (line - 1)); |
line_current -= ((screen_row_total - 1) + (output_current_row - screen_begin_row)); |
| 385 |
if (c_line_current < 0) |
if (line_current < 0) |
| 386 |
{ |
{ |
| 387 |
c_line_current = 0; |
line_current = 0; |
| 388 |
} |
} |
| 389 |
line = begin_line; |
output_current_row = screen_begin_row; |
| 390 |
max_lines = screen_rows - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 391 |
clrline(begin_line, screen_rows); |
clrline(output_current_row, SCREEN_ROWS); |
| 392 |
break; |
break; |
|
case KEY_RIGHT: |
|
| 393 |
case KEY_PGDN: |
case KEY_PGDN: |
| 394 |
case Ctrl('F'): |
if (line_current + screen_row_total - (output_current_row - screen_begin_row) >= display_line_total) // Reach end |
|
case KEY_SPACE: |
|
|
if (c_line_current + (screen_rows - 2) - (line - 1) >= c_line_total) // Reach bottom |
|
| 395 |
{ |
{ |
| 396 |
break; |
break; |
| 397 |
} |
} |
| 398 |
c_line_current += (screen_rows - 3) - (line - 1); |
line_current += (screen_row_total - 1) - (output_current_row - screen_begin_row); |
| 399 |
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 |
| 400 |
{ |
{ |
| 401 |
c_line_current = c_line_total - (screen_rows - 2); |
line_current = display_line_total - screen_row_total; |
| 402 |
} |
} |
| 403 |
line = begin_line; |
output_current_row = screen_begin_row; |
| 404 |
max_lines = screen_rows - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 405 |
clrline(begin_line, screen_rows); |
clrline(output_current_row, SCREEN_ROWS); |
| 406 |
break; |
break; |
| 407 |
case KEY_NULL: |
case KEY_ESC: |
|
case KEY_TIMEOUT: |
|
| 408 |
case KEY_LEFT: |
case KEY_LEFT: |
|
case 'q': |
|
|
case 'Q': |
|
| 409 |
loop = 0; |
loop = 0; |
| 410 |
break; |
break; |
|
case '?': |
|
| 411 |
case 'h': |
case 'h': |
| 412 |
case 'H': |
if (!show_help) // Not reentrant |
| 413 |
|
{ |
| 414 |
|
break; |
| 415 |
|
} |
| 416 |
// Display help information |
// Display help information |
| 417 |
display_file_ex(DATA_READ_HELP, begin_line, 1); |
show_help = 0; |
| 418 |
|
display_file(help_filename, 1); |
| 419 |
|
show_help = 1; |
| 420 |
|
case KEY_F5: |
| 421 |
// Refresh after display help information |
// Refresh after display help information |
| 422 |
c_line_current -= (line - 1); |
line_current -= (output_current_row - screen_begin_row); |
| 423 |
line = begin_line; |
output_current_row = screen_begin_row; |
| 424 |
max_lines = screen_rows - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 425 |
clrline(begin_line, screen_rows); |
clrline(output_current_row, SCREEN_ROWS); |
| 426 |
|
break; |
| 427 |
|
case KEY_F2: // For test only |
| 428 |
|
EDITOR_DATA *p_editor_data; |
| 429 |
|
size_t data_new_len = strlen(p_data) + LINE_BUFFER_LEN; |
| 430 |
|
|
| 431 |
|
char *p_data_new = malloc(data_new_len); |
| 432 |
|
if (p_data_new == NULL) |
| 433 |
|
{ |
| 434 |
|
break; |
| 435 |
|
} |
| 436 |
|
p_editor_data = editor_data_load(p_data); |
| 437 |
|
if (p_editor_data == NULL) |
| 438 |
|
{ |
| 439 |
|
free(p_data_new); |
| 440 |
|
break; |
| 441 |
|
} |
| 442 |
|
|
| 443 |
|
editor_display(p_editor_data); |
| 444 |
|
editor_data_save(p_editor_data, p_data_new, data_new_len); |
| 445 |
|
editor_data_cleanup(p_editor_data); |
| 446 |
|
p_editor_data = NULL; |
| 447 |
|
free(p_data_new); |
| 448 |
|
p_data_new = NULL; |
| 449 |
|
|
| 450 |
|
// Refresh after display editor |
| 451 |
|
line_current -= (output_current_row - screen_begin_row); |
| 452 |
|
output_current_row = screen_begin_row; |
| 453 |
|
output_end_row = SCREEN_ROWS - 1; |
| 454 |
|
clrline(output_current_row, SCREEN_ROWS); |
| 455 |
|
break; |
| 456 |
|
case 0: // Refresh bottom line |
| 457 |
break; |
break; |
| 458 |
default: |
default: |
| 459 |
input_ok = 0; |
input_ok = 0; |
| 460 |
break; |
break; |
| 461 |
} |
} |
| 462 |
|
|
| 463 |
|
BBS_last_access_tm = time(0); |
| 464 |
} |
} |
| 465 |
|
|
| 466 |
continue; |
continue; |
| 467 |
} |
} |
| 468 |
|
|
| 469 |
fseek(fin, p_line_offsets[c_line_current], SEEK_SET); |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 470 |
len = p_line_offsets[c_line_current + 1] - p_line_offsets[c_line_current]; |
if (len >= sizeof(buffer)) |
|
if (len >= LINE_BUFFER_LEN) |
|
| 471 |
{ |
{ |
| 472 |
log_error("Error length exceeds buffer size: %d\n", len); |
log_error("Buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 473 |
len = LINE_BUFFER_LEN - 1; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 474 |
|
len = sizeof(buffer) - 1; |
| 475 |
} |
} |
| 476 |
if (fgets(buffer, len + 1, fin) == NULL) |
else if (len < 0) |
| 477 |
{ |
{ |
| 478 |
log_error("Reach EOF\n"); |
log_error("Incorrect line offsets: len=%ld(%ld - %ld) line=%ld \n", |
| 479 |
break; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 480 |
|
len = 0; |
| 481 |
} |
} |
| 482 |
moveto(line, 0); |
|
| 483 |
|
memcpy(buffer, (const char *)p_data + p_line_offsets[line_current], (size_t)len); |
| 484 |
|
buffer[len] = '\0'; |
| 485 |
|
|
| 486 |
|
moveto(output_current_row, 0); |
| 487 |
clrtoeol(); |
clrtoeol(); |
| 488 |
prints("%s", buffer); |
prints("%s", buffer); |
| 489 |
c_line_current++; |
line_current++; |
| 490 |
line++; |
output_current_row++; |
| 491 |
} |
} |
| 492 |
|
|
| 493 |
free(p_line_offsets); |
cleanup: |
|
fclose(fin); |
|
|
|
|
| 494 |
return ch; |
return ch; |
| 495 |
} |
} |
| 496 |
|
|
| 497 |
int show_top(char *status) |
static int display_file_key_handler(int *p_key, DISPLAY_CTX *p_ctx) |
| 498 |
{ |
{ |
| 499 |
char buffer[LINE_BUFFER_LEN]; |
switch (*p_key) |
| 500 |
|
{ |
| 501 |
|
case 0: // Set msg |
| 502 |
|
snprintf(p_ctx->msg, sizeof(p_ctx->msg), |
| 503 |
|
"| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] | " |
| 504 |
|
"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] | " |
| 505 |
|
"帮助[\033[32mh\033[33m] |"); |
| 506 |
|
break; |
| 507 |
|
} |
| 508 |
|
|
| 509 |
|
return 0; |
| 510 |
|
} |
| 511 |
|
|
| 512 |
|
int display_file(const char *filename, int eof_exit) |
| 513 |
|
{ |
| 514 |
|
int ret; |
| 515 |
|
const void *p_shm; |
| 516 |
|
size_t data_len; |
| 517 |
|
long line_total; |
| 518 |
|
const void *p_data; |
| 519 |
|
const long *p_line_offsets; |
| 520 |
|
|
| 521 |
|
if ((p_shm = get_file_shm_readonly(filename, &data_len, &line_total, &p_data, &p_line_offsets)) == NULL) |
| 522 |
|
{ |
| 523 |
|
log_error("get_file_shm(%s) error\n", filename); |
| 524 |
|
return KEY_NULL; |
| 525 |
|
} |
| 526 |
|
|
| 527 |
|
ret = display_data(p_data, line_total, p_line_offsets, eof_exit, display_file_key_handler, DATA_READ_HELP); |
| 528 |
|
|
| 529 |
|
if (detach_file_shm(p_shm) < 0) |
| 530 |
|
{ |
| 531 |
|
log_error("detach_file_shm(%s) error\n", filename); |
| 532 |
|
} |
| 533 |
|
|
| 534 |
|
return ret; |
| 535 |
|
} |
| 536 |
|
|
| 537 |
|
int show_top(const char *str_left, const char *str_middle, const char *str_right) |
| 538 |
|
{ |
| 539 |
|
char str_left_f[STR_TOP_LEFT_MAX_LEN + 1]; |
| 540 |
|
char str_middle_f[STR_TOP_MIDDLE_MAX_LEN + 1]; |
| 541 |
|
char str_right_f[STR_TOP_RIGHT_MAX_LEN + 1]; |
| 542 |
|
int str_left_len; |
| 543 |
|
int str_middle_len; |
| 544 |
|
int str_right_len; |
| 545 |
|
int eol; |
| 546 |
|
int len; |
| 547 |
|
|
| 548 |
str_space(buffer, 20 - strlen(BBS_current_section_name)); |
strncpy(str_left_f, str_left, sizeof(str_left_f) - 1); |
| 549 |
|
str_left_f[sizeof(str_left_f) - 1] = '\0'; |
| 550 |
|
len = split_line(str_left_f, STR_TOP_LEFT_MAX_LEN, &eol, &str_left_len); |
| 551 |
|
str_left_f[len] = '\0'; |
| 552 |
|
|
| 553 |
|
strncpy(str_middle_f, str_middle, sizeof(str_middle_f) - 1); |
| 554 |
|
str_middle_f[sizeof(str_middle_f) - 1] = '\0'; |
| 555 |
|
len = split_line(str_middle, STR_TOP_MIDDLE_MAX_LEN, &eol, &str_middle_len); |
| 556 |
|
str_middle_f[len] = '\0'; |
| 557 |
|
|
| 558 |
|
strncpy(str_right_f, str_right, sizeof(str_right_f) - 1); |
| 559 |
|
str_right_f[sizeof(str_right_f) - 1] = '\0'; |
| 560 |
|
len = split_line(str_right, STR_TOP_RIGHT_MAX_LEN, &eol, &str_right_len); |
| 561 |
|
str_right_f[len] = '\0'; |
| 562 |
|
|
| 563 |
moveto(1, 0); |
moveto(1, 0); |
| 564 |
clrtoeol(); |
clrtoeol(); |
| 565 |
prints("\033[1;44;33m%-20s \033[37m%20s" |
prints("\033[1;44;33m%s\033[37m%*s\033[33m%*s\033[m", |
| 566 |
" %s\033[33m讨论区 [%s]\033[m", |
str_left_f, 44 - str_left_len, str_middle_f, 36, str_right_f); |
|
status, BBS_name, buffer, BBS_current_section_name); |
|
|
iflush(); |
|
| 567 |
|
|
| 568 |
return 0; |
return 0; |
| 569 |
} |
} |
| 570 |
|
|
| 571 |
int show_bottom(char *msg) |
int show_bottom(const char *msg) |
| 572 |
{ |
{ |
| 573 |
char str_time[LINE_BUFFER_LEN]; |
char str_time[LINE_BUFFER_LEN]; |
|
char buffer[LINE_BUFFER_LEN]; |
|
| 574 |
time_t time_online; |
time_t time_online; |
| 575 |
struct tm *tm_online; |
struct tm *tm_online; |
| 576 |
|
char msg_f[LINE_BUFFER_LEN]; |
| 577 |
|
int eol; |
| 578 |
|
int msg_len; |
| 579 |
|
int len; |
| 580 |
|
int len_username; |
| 581 |
|
char str_tm_online[LINE_BUFFER_LEN]; |
| 582 |
|
|
| 583 |
get_time_str(str_time, sizeof(str_time)); |
get_time_str(str_time, sizeof(str_time)); |
| 584 |
str_space(buffer, 33 - strlen(BBS_username)); |
|
| 585 |
|
msg_f[0] = '\0'; |
| 586 |
|
msg_len = 0; |
| 587 |
|
if (msg != NULL) |
| 588 |
|
{ |
| 589 |
|
strncpy(msg_f, msg, sizeof(msg_f) - 1); |
| 590 |
|
msg_f[sizeof(msg_f) - 1] = '\0'; |
| 591 |
|
len = split_line(msg_f, 23, &eol, &msg_len); |
| 592 |
|
msg_f[len] = '\0'; |
| 593 |
|
} |
| 594 |
|
|
| 595 |
|
len_username = (int)strnlen(BBS_username, sizeof(BBS_username)); |
| 596 |
|
|
| 597 |
time_online = time(0) - BBS_login_tm; |
time_online = time(0) - BBS_login_tm; |
| 598 |
tm_online = gmtime(&time_online); |
tm_online = gmtime(&time_online); |
| 599 |
|
if (tm_online->tm_mday > 1) |
| 600 |
|
{ |
| 601 |
|
snprintf(str_tm_online, sizeof(str_tm_online), |
| 602 |
|
"\033[36m%2d\033[33m天\033[36m%2d\033[33m时", |
| 603 |
|
tm_online->tm_mday - 1, tm_online->tm_hour); |
| 604 |
|
} |
| 605 |
|
else |
| 606 |
|
{ |
| 607 |
|
snprintf(str_tm_online, sizeof(str_tm_online), |
| 608 |
|
"\033[36m%2d\033[33m时\033[36m%2d\033[33m分", |
| 609 |
|
tm_online->tm_hour, tm_online->tm_min); |
| 610 |
|
} |
| 611 |
|
|
| 612 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 613 |
clrtoeol(); |
clrtoeol(); |
| 614 |
prints("\033[1;44;33m[\033[36m%s\033[33m]" |
prints("\033[1;44;33m时间[\033[36m%s\033[33m]%s%*s \033[33m帐号[\033[36m%s\033[33m][%s\033[33m]\033[m", |
| 615 |
"%s帐号[\033[36m%s\033[33m]" |
str_time, msg_f, 38 - msg_len - len_username, "", BBS_username, str_tm_online); |
|
"[\033[36m%1d\033[33m:\033[36m%2d\033[33m:\033[36m%2d\033[33m]\033[m", |
|
|
str_time, buffer, BBS_username, tm_online->tm_mday - 1, |
|
|
tm_online->tm_hour, tm_online->tm_min); |
|
|
iflush(); |
|
| 616 |
|
|
| 617 |
return 0; |
return 0; |
| 618 |
} |
} |
| 619 |
|
|
| 620 |
int show_active_board() |
int show_active_board() |
| 621 |
{ |
{ |
| 622 |
char filename[FILE_PATH_LEN]; |
static int line_current = 0; |
| 623 |
char buffer[LINE_BUFFER_LEN]; |
static const void *p_shm = NULL; |
| 624 |
FILE *fin; |
static size_t data_len; |
| 625 |
static int line; |
static long line_total; |
| 626 |
int len; |
static const void *p_data; |
| 627 |
int end_of_line; |
static const long *p_line_offsets; |
| 628 |
|
|
| 629 |
clrline(3, 2 + ACTIVE_BOARD_HEIGHT); |
static time_t t_last_show = 0; |
| 630 |
|
static int line_last = 0; |
| 631 |
|
|
| 632 |
if ((fin = fopen(DATA_ACTIVE_BOARD, "r")) == NULL) |
char buffer[LINE_BUFFER_LEN]; |
| 633 |
{ |
long int len; |
|
log_error("Unable to open file %s\n", filename); |
|
|
return -1; |
|
|
} |
|
| 634 |
|
|
| 635 |
for (int i = 0; i < line; i++) |
if (p_shm == NULL) |
| 636 |
{ |
{ |
| 637 |
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) |
| 638 |
{ |
{ |
| 639 |
line = 0; |
log_error("get_file_shm(%s) error\n", DATA_ACTIVE_BOARD); |
| 640 |
rewind(fin); |
return KEY_NULL; |
|
break; |
|
| 641 |
} |
} |
| 642 |
} |
} |
| 643 |
|
|
| 644 |
|
if (time(0) - t_last_show >= 10) |
| 645 |
|
{ |
| 646 |
|
line_last = line_current; |
| 647 |
|
t_last_show = time(0); |
| 648 |
|
} |
| 649 |
|
else |
| 650 |
|
{ |
| 651 |
|
line_current = line_last; |
| 652 |
|
} |
| 653 |
|
|
| 654 |
|
clrline(2, 2 + ACTIVE_BOARD_HEIGHT); |
| 655 |
|
|
| 656 |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
| 657 |
{ |
{ |
| 658 |
if (fgets(buffer, sizeof(buffer), fin) == NULL) |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 659 |
|
if (len >= LINE_BUFFER_LEN) |
| 660 |
{ |
{ |
| 661 |
line = 0; |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 662 |
break; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 663 |
|
len = LINE_BUFFER_LEN - 1; |
| 664 |
} |
} |
| 665 |
line++; |
|
| 666 |
len = split_line(buffer, screen_cols, &end_of_line); |
memcpy(buffer, (const char *)p_data + p_line_offsets[line_current], (size_t)len); |
| 667 |
buffer[len] = '\0'; // Truncate over-length line |
buffer[len] = '\0'; |
| 668 |
|
|
| 669 |
moveto(3 + i, 0); |
moveto(3 + i, 0); |
| 670 |
prints("%s", buffer); |
prints("%s", buffer); |
|
} |
|
|
iflush(); |
|
| 671 |
|
|
| 672 |
fclose(fin); |
line_current++; |
| 673 |
|
if (line_current >= line_total) |
| 674 |
|
{ |
| 675 |
|
line_current = 0; |
| 676 |
|
break; |
| 677 |
|
} |
| 678 |
|
} |
| 679 |
|
|
| 680 |
return 0; |
return 0; |
| 681 |
} |
} |