| 169 |
// Get accurate offset of first character of CJK at offset position |
// Get accurate offset of first character of CJK at offset position |
| 170 |
for (i = 0; i < offset; i++) |
for (i = 0; i < offset; i++) |
| 171 |
{ |
{ |
| 172 |
if (p_editor_data->p_display_lines[display_line][i] < 0) // GBK |
if (p_editor_data->p_display_lines[display_line][i] < 0 || p_editor_data->p_display_lines[display_line][i] > 127) // GBK |
| 173 |
{ |
{ |
| 174 |
i++; |
i++; |
| 175 |
} |
} |
| 368 |
// Get accurate offset of first character of CJK at offset position |
// Get accurate offset of first character of CJK at offset position |
| 369 |
for (i = 0; i < offset; i++) |
for (i = 0; i < offset; i++) |
| 370 |
{ |
{ |
| 371 |
if (p_editor_data->p_display_lines[display_line][i] < 0) // GBK |
if (p_editor_data->p_display_lines[display_line][i] < 0 || p_editor_data->p_display_lines[display_line][i] > 127) // GBK |
| 372 |
{ |
{ |
| 373 |
i++; |
i++; |
| 374 |
} |
} |
| 417 |
} |
} |
| 418 |
else |
else |
| 419 |
{ |
{ |
| 420 |
log_error("Some strange character at display_line %ld, offset %ld\n", display_line, offset); |
log_error("Some strange character at display_line %ld, offset %ld: %d %d %d %d\n", |
| 421 |
return -2; |
display_line, offset, p_data_line[offset_data_line], p_data_line[offset_data_line + 1], |
| 422 |
|
p_data_line[offset_data_line + 2], p_data_line[offset_data_line + 3]); |
| 423 |
|
str_len = 1; |
| 424 |
} |
} |
| 425 |
|
|
| 426 |
// Current display line is (almost) empty |
// Current display line is (almost) empty |
| 427 |
if (offset_data_line + str_len > len_data_line || |
if (offset_data_line + str_len > len_data_line || |
| 428 |
(offset_data_line + str_len == len_data_line && p_data_line[offset_data_line] == '\n')) |
(offset_data_line + str_len == len_data_line && p_data_line[offset_data_line] == '\n')) |
| 429 |
{ |
{ |
| 430 |
log_error("Nothing to be delete\n"); |
if (display_line + 1 >= p_editor_data->display_line_total) // No additional display line (data line) |
| 431 |
return 0; |
{ |
| 432 |
} |
log_common("Debug: No additional display line: %ld + 1 >= %ld\n", display_line, p_editor_data->display_line_total); |
| 433 |
|
return 0; |
| 434 |
|
} |
| 435 |
|
|
| 436 |
|
len_data_line = 0; // Next data line |
| 437 |
|
last_display_line = p_editor_data->display_line_total - 1; |
| 438 |
|
for (i = display_line + 1; i < p_editor_data->display_line_total; i++) |
| 439 |
|
{ |
| 440 |
|
len_data_line += p_editor_data->display_line_lengths[i]; |
| 441 |
|
|
| 442 |
|
if (p_editor_data->display_line_lengths[i] > 0 && |
| 443 |
|
p_editor_data->p_display_lines[i][p_editor_data->display_line_lengths[i] - 1] == '\n') // reach end of current data line |
| 444 |
|
{ |
| 445 |
|
last_display_line = i; |
| 446 |
|
break; |
| 447 |
|
} |
| 448 |
|
} |
| 449 |
|
|
| 450 |
|
if (offset_data_line + len_data_line + 1 > MAX_EDITOR_DATA_LINE_LENGTH) // No enough buffer to merge current data line with next data line |
| 451 |
|
{ |
| 452 |
|
log_common("Debug: No enough buffer to merge with next data line: %ld > %ld\n", |
| 453 |
|
offset_data_line + len_data_line + 1, MAX_EDITOR_DATA_LINE_LENGTH); |
| 454 |
|
return 0; |
| 455 |
|
} |
| 456 |
|
|
| 457 |
|
// Append next data line to current one |
| 458 |
|
memcpy(p_data_line + offset_data_line, p_editor_data->p_display_lines[display_line + 1], (size_t)len_data_line); |
| 459 |
|
p_data_line[offset_data_line + len_data_line] = '\0'; |
| 460 |
|
|
| 461 |
memmove(p_data_line + offset_data_line, p_data_line + offset_data_line + str_len, (size_t)(len_data_line - offset_data_line - str_len)); |
// Recycle next data line |
| 462 |
p_data_line[len_data_line - str_len] = '\0'; |
// TODO: free(p_editor_data->p_display_lines[display_line + 1]); |
| 463 |
len_data_line -= str_len; |
} |
| 464 |
|
else |
| 465 |
|
{ |
| 466 |
|
memmove(p_data_line + offset_data_line, p_data_line + offset_data_line + str_len, (size_t)(len_data_line - offset_data_line - str_len)); |
| 467 |
|
p_data_line[len_data_line - str_len] = '\0'; |
| 468 |
|
len_data_line -= str_len; |
| 469 |
|
} |
| 470 |
|
|
| 471 |
// Set p_data_line to head of current display line |
// Set p_data_line to head of current display line |
| 472 |
p_data_line = p_editor_data->p_display_lines[display_line]; |
p_data_line = p_editor_data->p_display_lines[display_line]; |
| 507 |
*p_last_updated_line = p_editor_data->display_line_total - 1; |
*p_last_updated_line = p_editor_data->display_line_total - 1; |
| 508 |
} |
} |
| 509 |
|
|
| 510 |
return 0; |
return str_len; |
| 511 |
} |
} |
| 512 |
|
|
| 513 |
static int editor_display_key_handler(int *p_key, EDITOR_CTX *p_ctx) |
static int editor_display_key_handler(int *p_key, EDITOR_CTX *p_ctx) |
| 674 |
continue; |
continue; |
| 675 |
} |
} |
| 676 |
} |
} |
| 677 |
else if (ch == KEY_DEL) // Del |
else if (ch == KEY_DEL || ch == BACKSPACE) // Del |
| 678 |
{ |
{ |
| 679 |
last_updated_line = line_current; |
if (ch == BACKSPACE) |
| 680 |
|
{ |
| 681 |
|
col_pos--; |
| 682 |
|
if (col_pos < 1 && line_current - screen_current_row + row_pos >= 0) |
| 683 |
|
{ |
| 684 |
|
row_pos--; |
| 685 |
|
col_pos = MAX(1, p_editor_data->display_line_lengths[line_current - screen_current_row + row_pos]); |
| 686 |
|
} |
| 687 |
|
} |
| 688 |
|
|
| 689 |
if (editor_data_delete(p_editor_data, line_current - screen_current_row + row_pos, col_pos - 1, |
if ((str_len = editor_data_delete(p_editor_data, line_current - screen_current_row + row_pos, col_pos - 1, |
| 690 |
&last_updated_line) < 0) |
&last_updated_line)) < 0) |
| 691 |
{ |
{ |
| 692 |
log_error("editor_data_delete() error\n"); |
log_error("editor_data_delete() error\n"); |
| 693 |
} |
} |
| 694 |
else |
else |
| 695 |
{ |
{ |
| 696 |
|
if (ch == BACKSPACE) |
| 697 |
|
{ |
| 698 |
|
for (i = 1; i < str_len; i++) |
| 699 |
|
{ |
| 700 |
|
col_pos--; |
| 701 |
|
if (col_pos < 1 && line_current - screen_current_row + row_pos >= 0) |
| 702 |
|
{ |
| 703 |
|
row_pos--; |
| 704 |
|
col_pos = MAX(1, p_editor_data->display_line_lengths[line_current - screen_current_row + row_pos]); |
| 705 |
|
} |
| 706 |
|
} |
| 707 |
|
} |
| 708 |
|
|
| 709 |
screen_end_row = MIN(SCREEN_ROWS - 1, screen_current_row + (int)(last_updated_line - line_current)); |
screen_end_row = MIN(SCREEN_ROWS - 1, screen_current_row + (int)(last_updated_line - line_current)); |
| 710 |
line_current -= (screen_current_row - row_pos); |
line_current -= (screen_current_row - row_pos); |
| 711 |
screen_current_row = (int)row_pos; |
screen_current_row = (int)row_pos; |
| 712 |
|
|
| 713 |
|
if (screen_current_row < screen_begin_row) // row_pos <= 0 |
| 714 |
|
{ |
| 715 |
|
screen_current_row = screen_begin_row; |
| 716 |
|
row_pos = screen_begin_row; |
| 717 |
|
screen_end_row = SCREEN_ROWS - 1; |
| 718 |
|
} |
| 719 |
} |
} |
| 720 |
|
|
| 721 |
continue; |
continue; |