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/*************************************************************************** |
/* SPDX-License-Identifier: GPL-3.0-or-later */ |
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editor.h - description |
/* |
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------------------- |
* editor |
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copyright : (C) 2004-2025 by Leaflet |
* - user interactive full-screen text editor |
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email : leaflet@leafok.com |
* |
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***************************************************************************/ |
* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com> |
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*/ |
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/*************************************************************************** |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 3 of the License, or * |
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* (at your option) any later version. * |
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* * |
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***************************************************************************/ |
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#include "editor.h" |
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#include "bbs.h" |
#include "bbs.h" |
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#include "common.h" |
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#include "editor.h" |
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#include "io.h" |
#include "io.h" |
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#include "log.h" |
#include "log.h" |
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#include "common.h" |
#include "login.h" |
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#include "memory_pool.h" |
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#include "str_process.h" |
#include "str_process.h" |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <string.h> |
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#include <wchar.h> |
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#include <sys/param.h> |
#include <sys/param.h> |
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#include <strings.h> |
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#define _POSIX_C_SOURCE 200809L |
enum _editor_constant_t |
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#include <string.h> |
{ |
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EDITOR_MEM_POOL_LINE_PER_CHUNK = 1000, |
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EDITOR_MEM_POOL_CHUNK_LIMIT = (MAX_EDITOR_DATA_LINES / EDITOR_MEM_POOL_LINE_PER_CHUNK + 1), |
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}; |
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static const char EDITOR_ESC_DISPLAY_STR[] = "\033[32m*\033[m"; |
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static MEMORY_POOL *p_mp_data_line; |
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static MEMORY_POOL *p_mp_editor_data; |
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int editor_memory_pool_init(void) |
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{ |
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if (p_mp_data_line != NULL || p_mp_editor_data != NULL) |
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{ |
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log_error("Editor mem pool already initialized\n"); |
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return -1; |
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} |
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#define EDITOR_ESC_DISPLAY_STR "\033[32m*\033[m" |
p_mp_data_line = memory_pool_init(MAX_EDITOR_DATA_LINE_LENGTH, EDITOR_MEM_POOL_LINE_PER_CHUNK, EDITOR_MEM_POOL_CHUNK_LIMIT); |
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if (p_mp_data_line == NULL) |
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{ |
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log_error("Memory pool init error\n"); |
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return -2; |
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} |
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p_mp_editor_data = memory_pool_init(sizeof(EDITOR_DATA), 1, 1); |
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if (p_mp_editor_data == NULL) |
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{ |
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log_error("Memory pool init error\n"); |
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return -3; |
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} |
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return 0; |
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} |
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void editor_memory_pool_cleanup(void) |
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{ |
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if (p_mp_data_line != NULL) |
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{ |
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memory_pool_cleanup(p_mp_data_line); |
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p_mp_data_line = NULL; |
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} |
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if (p_mp_editor_data != NULL) |
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{ |
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memory_pool_cleanup(p_mp_editor_data); |
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p_mp_editor_data = NULL; |
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} |
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} |
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EDITOR_DATA *editor_data_load(const char *p_data) |
EDITOR_DATA *editor_data_load(const char *p_data) |
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{ |
{ |
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EDITOR_DATA *p_editor_data; |
EDITOR_DATA *p_editor_data; |
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char *p_data_line = NULL; |
char *p_data_line = NULL; |
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long line_offsets[MAX_EDITOR_DATA_LINES]; |
long line_offsets[MAX_EDITOR_DATA_LINES + 1]; |
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long current_data_line_length = 0; |
long current_data_line_length = 0; |
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long i; |
long i; |
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int j; |
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if (p_data == NULL) |
if (p_data == NULL) |
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{ |
{ |
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log_error("editor_data_load() error: NULL pointer\n"); |
log_error("NULL pointer error\n"); |
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return NULL; |
return NULL; |
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} |
} |
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p_editor_data = malloc(sizeof(EDITOR_DATA)); |
p_editor_data = memory_pool_alloc(p_mp_editor_data); |
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if (p_editor_data == NULL) |
if (p_editor_data == NULL) |
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{ |
{ |
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log_error("malloc(EDITOR_DATA) error: OOM\n"); |
log_error("memory_pool_alloc() error\n"); |
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return NULL; |
return NULL; |
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} |
} |
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p_editor_data->display_line_total = split_data_lines(p_data, SCREEN_COLS, line_offsets, MAX_EDITOR_DATA_LINES); |
p_editor_data->display_line_total = split_data_lines(p_data, SCREEN_COLS, line_offsets, MAX_EDITOR_DATA_LINES + 1, |
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0, p_editor_data->display_line_widths); |
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for (i = 0; i < p_editor_data->display_line_total; i++) |
for (i = 0; i < p_editor_data->display_line_total; i++) |
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{ |
{ |
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(p_editor_data->display_line_lengths[i - 1] > 0 && p_data[line_offsets[i - 1] + p_editor_data->display_line_lengths[i - 1] - 1] == '\n')) |
(p_editor_data->display_line_lengths[i - 1] > 0 && p_data[line_offsets[i - 1] + p_editor_data->display_line_lengths[i - 1] - 1] == '\n')) |
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{ |
{ |
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// Allocate new data line |
// Allocate new data line |
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p_data_line = malloc(MAX_EDITOR_DATA_LINE_LENGTH); |
p_data_line = memory_pool_alloc(p_mp_data_line); |
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if (p_data_line == NULL) |
if (p_data_line == NULL) |
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{ |
{ |
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log_error("malloc(MAX_EDITOR_DATA_LINE_LENGTH * %d) error: OOM\n", i); |
log_error("memory_pool_alloc() error: i = %d\n", i); |
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// Cleanup |
// Cleanup |
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editor_data_cleanup(p_editor_data); |
editor_data_cleanup(p_editor_data); |
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return NULL; |
return NULL; |
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memcpy(p_editor_data->p_display_lines[i], p_data + line_offsets[i], (size_t)p_editor_data->display_line_lengths[i]); |
memcpy(p_editor_data->p_display_lines[i], p_data + line_offsets[i], (size_t)p_editor_data->display_line_lengths[i]); |
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current_data_line_length += p_editor_data->display_line_lengths[i]; |
current_data_line_length += p_editor_data->display_line_lengths[i]; |
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// Convert \t to single space |
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for (j = 0; j < p_editor_data->display_line_lengths[i]; j++) |
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{ |
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if (p_editor_data->p_display_lines[i][j] == '\t') |
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{ |
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p_editor_data->p_display_lines[i][j] = ' '; |
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} |
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} |
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// Trim \n from last line |
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if (i + 1 == p_editor_data->display_line_total && |
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p_editor_data->display_line_lengths[i] > 0 && |
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p_editor_data->p_display_lines[i][p_editor_data->display_line_lengths[i] - 1] == '\n') |
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{ |
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p_editor_data->display_line_lengths[i]--; |
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p_editor_data->display_line_widths[i]--; |
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current_data_line_length--; |
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} |
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p_data_line[current_data_line_length] = '\0'; |
p_data_line[current_data_line_length] = '\0'; |
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} |
} |
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bzero(p_editor_data->p_display_lines + p_editor_data->display_line_total, MAX_EDITOR_DATA_LINES - (size_t)p_editor_data->display_line_total); |
memset(p_editor_data->p_display_lines + p_editor_data->display_line_total, 0, MAX_EDITOR_DATA_LINES - (size_t)p_editor_data->display_line_total); |
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return p_editor_data; |
return p_editor_data; |
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} |
} |
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if (p_editor_data == NULL || p_data == NULL) |
if (p_editor_data == NULL || p_data == NULL) |
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{ |
{ |
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log_error("editor_data_save() error: NULL pointer\n"); |
log_error("NULL pointer error\n"); |
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return -1; |
return -1; |
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} |
} |
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if (p_editor_data->display_line_lengths[i] > 0 && |
if (p_editor_data->display_line_lengths[i] > 0 && |
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p_editor_data->p_display_lines[i][p_editor_data->display_line_lengths[i] - 1] == '\n') |
p_editor_data->p_display_lines[i][p_editor_data->display_line_lengths[i] - 1] == '\n') |
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{ |
{ |
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free(p_data_line); |
memory_pool_free(p_mp_data_line, p_data_line); |
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p_data_line = NULL; |
p_data_line = NULL; |
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} |
} |
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} |
} |
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if (p_data_line != NULL) |
if (p_data_line != NULL) |
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{ |
{ |
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free(p_data_line); |
memory_pool_free(p_mp_data_line, p_data_line); |
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} |
} |
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free(p_editor_data); |
memory_pool_free(p_mp_editor_data, p_editor_data); |
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} |
} |
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int editor_data_insert(EDITOR_DATA *p_editor_data, long *p_display_line, long *p_offset, |
int editor_data_insert(EDITOR_DATA *p_editor_data, long *p_display_line, long *p_offset, |
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long offset_data_line; |
long offset_data_line; |
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long last_display_line; // of data line |
long last_display_line; // of data line |
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long line_offsets[MAX_EDITOR_DATA_LINE_LENGTH + 1]; |
long line_offsets[MAX_EDITOR_DATA_LINE_LENGTH + 1]; |
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int line_widths[MAX_EDITOR_DATA_LINE_LENGTH + 1]; |
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long split_line_total; |
long split_line_total; |
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long i, j; |
long i; |
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int len; |
int len; |
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int eol; |
int eol; |
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int display_len; |
int display_len; |
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if (p_editor_data == NULL || p_last_updated_line == NULL) |
if (p_editor_data == NULL || p_last_updated_line == NULL) |
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{ |
{ |
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log_error("editor_data_op() error: NULL pointer\n"); |
log_error("NULL pointer error\n"); |
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return -1; |
return -1; |
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} |
} |
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// Get accurate offset of first character of CJK at offset position |
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for (i = 0; i < offset; i++) |
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{ |
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if (p_editor_data->p_display_lines[display_line][i] < 0 || p_editor_data->p_display_lines[display_line][i] > 127) // GBK |
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{ |
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i++; |
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} |
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} |
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if (i > offset) // offset was skipped |
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{ |
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offset--; |
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} |
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// Get length of current data line |
// Get length of current data line |
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len_data_line = 0; |
len_data_line = 0; |
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p_data_line = p_editor_data->p_display_lines[display_line]; |
p_data_line = p_editor_data->p_display_lines[display_line]; |
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} |
} |
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// Split current data line if over-length |
// Split current data line if over-length |
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if (len_data_line + str_len + 1 > MAX_EDITOR_DATA_LINE_LENGTH || str[0] == CR) |
if (len_data_line + str_len + 2 > MAX_EDITOR_DATA_LINE_LENGTH || str[0] == CR) |
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{ |
{ |
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if (p_editor_data->display_line_total >= MAX_EDITOR_DATA_LINES) |
if (p_editor_data->display_line_total >= MAX_EDITOR_DATA_LINES) |
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{ |
{ |
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// log_error("Split line error, display_line_total(%ld) reach limit(%d)\n", |
#ifdef _DEBUG |
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// p_editor_data->display_line_total, MAX_EDITOR_DATA_LINES); |
log_error("Split line error, display_line_total(%ld) reach limit(%d)\n", |
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p_editor_data->display_line_total, MAX_EDITOR_DATA_LINES); |
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#endif |
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return -2; |
return -2; |
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} |
} |
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// Allocate new data line |
// Allocate new data line |
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p_data_line = malloc(MAX_EDITOR_DATA_LINE_LENGTH); |
p_data_line = memory_pool_alloc(p_mp_data_line); |
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if (p_data_line == NULL) |
if (p_data_line == NULL) |
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{ |
{ |
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log_error("malloc(MAX_EDITOR_DATA_LINE_LENGTH) error: OOM\n"); |
log_error("memory_pool_alloc() error\n"); |
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return -2; |
return -2; |
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} |
} |
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if (offset_data_line + str_len + 1 >= MAX_EDITOR_DATA_LINE_LENGTH || str[0] == CR) |
if (offset_data_line + str_len + 2 >= MAX_EDITOR_DATA_LINE_LENGTH || str[0] == CR) |
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{ |
{ |
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if (str[0] == CR) |
if (str[0] == CR) |
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{ |
{ |
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*p_offset = offset + str_len; |
*p_offset = offset + str_len; |
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} |
} |
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// Update display width of current display line |
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len = split_line(p_editor_data->p_display_lines[display_line], SCREEN_COLS, &eol, &display_len, 0); |
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p_editor_data->display_line_widths[display_line] = display_len; |
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split_line_total = last_display_line - display_line + 3; |
split_line_total = last_display_line - display_line + 3; |
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// Set start display_line for spliting new data line |
// Set start display_line for spliting new data line |
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} |
} |
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// Split current data line since beginning of current display line |
// Split current data line since beginning of current display line |
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split_line_total = split_data_lines(p_data_line, SCREEN_COLS, line_offsets, split_line_total); |
split_line_total = split_data_lines(p_data_line, SCREEN_COLS, line_offsets, split_line_total, 0, line_widths); |
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for (i = 0; i < split_line_total; i++) |
for (i = 0; i < split_line_total; i++) |
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{ |
{ |
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// Insert blank display line after last_display_line |
// Insert blank display line after last_display_line |
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if (p_editor_data->display_line_total >= MAX_EDITOR_DATA_LINES) |
if (p_editor_data->display_line_total >= MAX_EDITOR_DATA_LINES) |
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{ |
{ |
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// log_error("display_line_total over limit %d >= %d\n", p_editor_data->display_line_total, MAX_EDITOR_DATA_LINES); |
#ifdef _DEBUG |
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log_error("display_line_total over limit %d >= %d\n", p_editor_data->display_line_total, MAX_EDITOR_DATA_LINES); |
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#endif |
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// Terminate prior display line with \n, to avoid error on cleanup |
// Terminate prior display line with \n, to avoid error on cleanup |
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if (display_line + i - 1 >= 0 && p_editor_data->display_line_lengths[display_line + i - 1] > 0) |
if (display_line + i - 1 >= 0 && p_editor_data->display_line_lengths[display_line + i - 1] > 0) |
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{ |
{ |
| 375 |
len = split_line(p_editor_data->p_display_lines[display_line + i - 1], SCREEN_COLS - 1, &eol, &display_len); |
len = split_line(p_editor_data->p_display_lines[display_line + i - 1], SCREEN_COLS - 1, &eol, &display_len, 0); |
| 376 |
p_editor_data->p_display_lines[display_line + i - 1][len] = '\n'; |
p_editor_data->p_display_lines[display_line + i - 1][len] = '\n'; |
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p_editor_data->p_display_lines[display_line + i - 1][len + 1] = '\0'; |
p_editor_data->p_display_lines[display_line + i - 1][len + 1] = '\0'; |
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p_editor_data->display_line_lengths[display_line + i - 1] = len + 1; |
p_editor_data->display_line_lengths[display_line + i - 1] = len + 1; |
| 379 |
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p_editor_data->display_line_widths[display_line + i - 1] = display_len; |
| 380 |
} |
} |
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if (*p_offset >= p_editor_data->display_line_lengths[*p_display_line]) |
if (*p_offset >= p_editor_data->display_line_lengths[*p_display_line]) |
| 382 |
{ |
{ |
| 384 |
} |
} |
| 385 |
break; |
break; |
| 386 |
} |
} |
| 387 |
for (j = p_editor_data->display_line_total; j > last_display_line + 1; j--) |
|
| 388 |
{ |
// for (j = p_editor_data->display_line_total; j > last_display_line + 1; j--) |
| 389 |
p_editor_data->p_display_lines[j] = p_editor_data->p_display_lines[j - 1]; |
// { |
| 390 |
p_editor_data->display_line_lengths[j] = p_editor_data->display_line_lengths[j - 1]; |
// p_editor_data->p_display_lines[j] = p_editor_data->p_display_lines[j - 1]; |
| 391 |
} |
// p_editor_data->display_line_lengths[j] = p_editor_data->display_line_lengths[j - 1]; |
| 392 |
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// p_editor_data->display_line_widths[j] = p_editor_data->display_line_widths[j - 1]; |
| 393 |
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// } |
| 394 |
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memmove(p_editor_data->p_display_lines + last_display_line + 2, |
| 395 |
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p_editor_data->p_display_lines + last_display_line + 1, |
| 396 |
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(size_t)(p_editor_data->display_line_total - last_display_line - 1) * |
| 397 |
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sizeof(p_editor_data->p_display_lines[last_display_line + 1])); |
| 398 |
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memmove(p_editor_data->display_line_lengths + last_display_line + 2, |
| 399 |
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p_editor_data->display_line_lengths + last_display_line + 1, |
| 400 |
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(size_t)(p_editor_data->display_line_total - last_display_line - 1) * |
| 401 |
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sizeof(p_editor_data->display_line_lengths[last_display_line + 1])); |
| 402 |
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memmove(p_editor_data->display_line_widths + last_display_line + 2, |
| 403 |
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p_editor_data->display_line_widths + last_display_line + 1, |
| 404 |
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(size_t)(p_editor_data->display_line_total - last_display_line - 1) * |
| 405 |
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sizeof(p_editor_data->display_line_widths[last_display_line + 1])); |
| 406 |
|
|
| 407 |
last_display_line++; |
last_display_line++; |
| 408 |
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*p_last_updated_line = p_editor_data->display_line_total; |
| 409 |
(p_editor_data->display_line_total)++; |
(p_editor_data->display_line_total)++; |
| 410 |
} |
} |
| 411 |
|
|
| 412 |
p_editor_data->display_line_lengths[display_line + i] = line_offsets[i + 1] - line_offsets[i]; |
p_editor_data->display_line_lengths[display_line + i] = line_offsets[i + 1] - line_offsets[i]; |
| 413 |
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p_editor_data->display_line_widths[display_line + i] = line_widths[i]; |
| 414 |
p_editor_data->p_display_lines[display_line + i] = |
p_editor_data->p_display_lines[display_line + i] = |
| 415 |
(i == 0 |
(i == 0 |
| 416 |
? p_data_line |
? p_data_line |
| 427 |
|
|
| 428 |
if (*p_offset >= p_editor_data->display_line_lengths[*p_display_line]) |
if (*p_offset >= p_editor_data->display_line_lengths[*p_display_line]) |
| 429 |
{ |
{ |
| 430 |
*p_offset -= p_editor_data->display_line_lengths[*p_display_line]; |
if (*p_display_line + 1 < p_editor_data->display_line_total) |
|
|
|
|
if (*p_display_line + 1 >= p_editor_data->display_line_total) |
|
| 431 |
{ |
{ |
| 432 |
log_error("*p_display_line(%d) >= display_line_total(%d)\n", *p_display_line, p_editor_data->display_line_total); |
*p_offset -= p_editor_data->display_line_lengths[*p_display_line]; |
| 433 |
|
(*p_display_line)++; |
| 434 |
} |
} |
| 435 |
else |
} |
| 436 |
|
|
| 437 |
|
// Prevent the last display line from being over-length |
| 438 |
|
if (p_editor_data->display_line_total == MAX_EDITOR_DATA_LINES) |
| 439 |
|
{ |
| 440 |
|
len = split_line(p_editor_data->p_display_lines[p_editor_data->display_line_total - 1], SCREEN_COLS - 1, &eol, &display_len, 0); |
| 441 |
|
p_editor_data->p_display_lines[p_editor_data->display_line_total - 1][len] = '\0'; |
| 442 |
|
p_editor_data->display_line_lengths[p_editor_data->display_line_total - 1] = len; |
| 443 |
|
p_editor_data->display_line_widths[p_editor_data->display_line_total - 1] = display_len; |
| 444 |
|
if (*p_display_line + 1 >= p_editor_data->display_line_total) |
| 445 |
{ |
{ |
| 446 |
(*p_display_line)++; |
*p_offset = MIN(*p_offset, len); |
| 447 |
|
*p_display_line = p_editor_data->display_line_total - 1; |
| 448 |
} |
} |
| 449 |
} |
} |
| 450 |
|
|
| 451 |
return 0; |
return 0; |
| 452 |
} |
} |
| 453 |
|
|
| 454 |
int editor_data_delete(EDITOR_DATA *p_editor_data, long display_line, long offset, |
int editor_data_delete(EDITOR_DATA *p_editor_data, long *p_display_line, long *p_offset, |
| 455 |
long *p_last_updated_line) |
long *p_last_updated_line, int del_line) |
| 456 |
{ |
{ |
| 457 |
|
long display_line = *p_display_line; |
| 458 |
|
long offset = *p_offset; |
| 459 |
char *p_data_line = NULL; |
char *p_data_line = NULL; |
| 460 |
long len_data_line; |
long len_data_line; |
| 461 |
long offset_data_line; |
long offset_data_line; |
| 462 |
long last_display_line; // of data line |
long last_display_line; // of data line |
| 463 |
long line_offsets[MAX_EDITOR_DATA_LINE_LENGTH + 1]; |
long line_offsets[MAX_EDITOR_DATA_LINE_LENGTH + 1]; |
| 464 |
|
int line_widths[MAX_EDITOR_DATA_LINE_LENGTH + 1]; |
| 465 |
long split_line_total; |
long split_line_total; |
| 466 |
long i, j; |
long i, j; |
| 467 |
int str_len = 0; |
int str_len = 0; |
| 468 |
|
char c; |
| 469 |
|
|
| 470 |
if (p_editor_data == NULL || p_last_updated_line == NULL) |
if (p_editor_data == NULL || p_last_updated_line == NULL) |
| 471 |
{ |
{ |
| 472 |
log_error("editor_data_op() error: NULL pointer\n"); |
log_error("NULL pointer error\n"); |
| 473 |
return -1; |
return -1; |
| 474 |
} |
} |
| 475 |
|
|
|
// Get accurate offset of first character of CJK at offset position |
|
|
for (i = 0; i < offset; i++) |
|
|
{ |
|
|
if (p_editor_data->p_display_lines[display_line][i] < 0 || p_editor_data->p_display_lines[display_line][i] > 127) // GBK |
|
|
{ |
|
|
i++; |
|
|
} |
|
|
} |
|
|
if (i > offset) // offset was skipped |
|
|
{ |
|
|
offset--; |
|
|
} |
|
|
|
|
| 476 |
// Get length of current data line |
// Get length of current data line |
| 477 |
len_data_line = 0; |
len_data_line = 0; |
| 478 |
p_data_line = p_editor_data->p_display_lines[display_line]; |
p_data_line = p_editor_data->p_display_lines[display_line]; |
| 501 |
} |
} |
| 502 |
} |
} |
| 503 |
|
|
| 504 |
|
if (offset_data_line >= len_data_line) // end-of-line |
| 505 |
|
{ |
| 506 |
|
return 0; |
| 507 |
|
} |
| 508 |
|
|
| 509 |
// Check str to be deleted |
// Check str to be deleted |
| 510 |
if (p_data_line[offset_data_line] > 0 && p_data_line[offset_data_line] < 127) |
if (del_line) |
| 511 |
|
{ |
| 512 |
|
str_len = (int)(p_editor_data->display_line_lengths[display_line] - offset); |
| 513 |
|
} |
| 514 |
|
else if (p_data_line[offset_data_line] > 0 && p_data_line[offset_data_line] < 127) |
| 515 |
{ |
{ |
| 516 |
str_len = 1; |
str_len = 1; |
| 517 |
} |
} |
| 518 |
else if (p_data_line[offset_data_line + 1] < 0 || p_data_line[offset_data_line] > 127) // GBK |
else if (p_data_line[offset_data_line] & 0x80) // head of multi-byte character |
| 519 |
{ |
{ |
| 520 |
str_len = 2; |
str_len = 1; |
| 521 |
|
c = (p_data_line[offset_data_line] & 0x70) << 1; |
| 522 |
|
while (c & 0x80) |
| 523 |
|
{ |
| 524 |
|
str_len++; |
| 525 |
|
c = (c & 0x7f) << 1; |
| 526 |
|
} |
| 527 |
} |
} |
| 528 |
else |
else |
| 529 |
{ |
{ |
| 530 |
log_error("Some strange character at display_line %ld, offset %ld: %d %d %d %d\n", |
log_error("Some strange character at display_line %ld, offset %ld: %d %d\n", |
| 531 |
display_line, offset, p_data_line[offset_data_line], p_data_line[offset_data_line + 1], |
display_line, offset, p_data_line[offset_data_line], p_data_line[offset_data_line + 1]); |
|
p_data_line[offset_data_line + 2], p_data_line[offset_data_line + 3]); |
|
| 532 |
str_len = 1; |
str_len = 1; |
| 533 |
} |
} |
| 534 |
|
|
| 535 |
// Current display line is (almost) empty |
// Current display line is (almost) empty |
| 536 |
if (offset_data_line + str_len > len_data_line || |
if (offset_data_line + str_len > len_data_line || |
| 537 |
(offset_data_line + str_len == len_data_line && p_data_line[offset_data_line] == '\n')) |
(offset_data_line + str_len == len_data_line && |
| 538 |
|
p_data_line[del_line ? len_data_line - 1 : offset_data_line] == '\n')) |
| 539 |
{ |
{ |
| 540 |
if (display_line + 1 >= p_editor_data->display_line_total) // No additional display line (data line) |
if (display_line + 1 >= p_editor_data->display_line_total) // No additional display line (data line) |
| 541 |
{ |
{ |
| 566 |
p_data_line[offset_data_line + len_data_line] = '\0'; |
p_data_line[offset_data_line + len_data_line] = '\0'; |
| 567 |
|
|
| 568 |
// Recycle next data line |
// Recycle next data line |
| 569 |
free(p_editor_data->p_display_lines[display_line + 1]); |
memory_pool_free(p_mp_data_line, p_editor_data->p_display_lines[display_line + 1]); |
| 570 |
} |
} |
| 571 |
else |
else |
| 572 |
{ |
{ |
| 580 |
split_line_total = last_display_line - display_line + 2; |
split_line_total = last_display_line - display_line + 2; |
| 581 |
|
|
| 582 |
// Split current data line since beginning of current display line |
// Split current data line since beginning of current display line |
| 583 |
split_line_total = split_data_lines(p_data_line, SCREEN_COLS, line_offsets, split_line_total); |
split_line_total = split_data_lines(p_data_line, SCREEN_COLS, line_offsets, split_line_total, 0, line_widths); |
| 584 |
|
|
| 585 |
for (i = 0; i < split_line_total; i++) |
for (i = 0; i < split_line_total; i++) |
| 586 |
{ |
{ |
| 587 |
p_editor_data->display_line_lengths[display_line + i] = line_offsets[i + 1] - line_offsets[i]; |
p_editor_data->display_line_lengths[display_line + i] = line_offsets[i + 1] - line_offsets[i]; |
| 588 |
|
p_editor_data->display_line_widths[display_line + i] = line_widths[i]; |
| 589 |
p_editor_data->p_display_lines[display_line + i] = |
p_editor_data->p_display_lines[display_line + i] = |
| 590 |
(i == 0 |
(i == 0 |
| 591 |
? p_data_line |
? p_data_line |
| 600 |
|
|
| 601 |
*p_last_updated_line = display_line + MIN(i, split_line_total - 1); |
*p_last_updated_line = display_line + MIN(i, split_line_total - 1); |
| 602 |
|
|
| 603 |
if (display_line + i < last_display_line) |
if (*p_last_updated_line < last_display_line) |
| 604 |
{ |
{ |
| 605 |
// Remove redundant display line after last_display_line |
// Remove redundant display line after last_display_line |
| 606 |
for (j = last_display_line + 1; j < p_editor_data->display_line_total; j++) |
// for (j = last_display_line + 1; j < p_editor_data->display_line_total; j++) |
| 607 |
{ |
// { |
| 608 |
p_editor_data->p_display_lines[j - (last_display_line - (display_line + i))] = p_editor_data->p_display_lines[j]; |
// p_editor_data->p_display_lines[j - (last_display_line - *p_last_updated_line)] = p_editor_data->p_display_lines[j]; |
| 609 |
p_editor_data->display_line_lengths[j - (last_display_line - (display_line + i))] = p_editor_data->display_line_lengths[j]; |
// p_editor_data->display_line_lengths[j - (last_display_line - *p_last_updated_line)] = p_editor_data->display_line_lengths[j]; |
| 610 |
} |
// p_editor_data->display_line_widths[j - (last_display_line - *p_last_updated_line)] = p_editor_data->display_line_widths[j]; |
| 611 |
|
// } |
| 612 |
(p_editor_data->display_line_total) -= (last_display_line - (display_line + i)); |
memmove(p_editor_data->p_display_lines + *p_last_updated_line + 1, |
| 613 |
last_display_line = display_line + i; |
p_editor_data->p_display_lines + last_display_line + 1, |
| 614 |
|
(size_t)(p_editor_data->display_line_total - last_display_line - 1) * |
| 615 |
*p_last_updated_line = p_editor_data->display_line_total - 1; |
sizeof(p_editor_data->p_display_lines[last_display_line + 1])); |
| 616 |
|
memmove(p_editor_data->display_line_lengths + *p_last_updated_line + 1, |
| 617 |
|
p_editor_data->display_line_lengths + last_display_line + 1, |
| 618 |
|
(size_t)(p_editor_data->display_line_total - last_display_line - 1) * |
| 619 |
|
sizeof(p_editor_data->display_line_lengths[last_display_line + 1])); |
| 620 |
|
memmove(p_editor_data->display_line_widths + *p_last_updated_line + 1, |
| 621 |
|
p_editor_data->display_line_widths + last_display_line + 1, |
| 622 |
|
(size_t)(p_editor_data->display_line_total - last_display_line - 1) * |
| 623 |
|
sizeof(p_editor_data->display_line_widths[last_display_line + 1])); |
| 624 |
|
|
| 625 |
|
j = p_editor_data->display_line_total; |
| 626 |
|
(p_editor_data->display_line_total) -= (last_display_line - *p_last_updated_line); |
| 627 |
|
*p_last_updated_line = MAX(j - 1, *p_last_updated_line); |
| 628 |
} |
} |
| 629 |
|
|
| 630 |
|
// Return real offset |
| 631 |
|
*p_offset = offset; |
| 632 |
|
|
| 633 |
return str_len; |
return str_len; |
| 634 |
} |
} |
| 635 |
|
|
| 639 |
{ |
{ |
| 640 |
case 0: // Set msg |
case 0: // Set msg |
| 641 |
snprintf(p_ctx->msg, sizeof(p_ctx->msg), |
snprintf(p_ctx->msg, sizeof(p_ctx->msg), |
| 642 |
"| Í˳ö[\033[32mCtrl-C\033[33m] | °ïÖú[\033[32mh\033[33m] |"); |
"| 退出[\033[32mCtrl-W\033[33m] | [\033[32m%s\033[33m]", |
| 643 |
|
(UTF8_fixed_width ? "定宽" : "å˜å®½")); |
| 644 |
|
break; |
| 645 |
|
case KEY_CSI: |
| 646 |
|
*p_key = KEY_ESC; |
| 647 |
break; |
break; |
| 648 |
} |
} |
| 649 |
|
|
| 656 |
char buffer[MAX_EDITOR_DATA_LINE_LENGTH]; |
char buffer[MAX_EDITOR_DATA_LINE_LENGTH]; |
| 657 |
EDITOR_CTX ctx; |
EDITOR_CTX ctx; |
| 658 |
int ch = 0; |
int ch = 0; |
| 659 |
char input_str[4]; |
char input_str[5]; |
| 660 |
int str_len = 0; |
int str_len = 0; |
| 661 |
|
wchar_t wcs[2]; |
| 662 |
|
int wc_len; |
| 663 |
|
char c; |
| 664 |
int input_ok; |
int input_ok; |
| 665 |
const int screen_begin_row = 1; |
const int screen_begin_row = 1; |
| 666 |
const int screen_row_total = SCREEN_ROWS - screen_begin_row; |
const int screen_row_total = SCREEN_ROWS - screen_begin_row; |
| 678 |
int key_insert = 1; |
int key_insert = 1; |
| 679 |
int i, j; |
int i, j; |
| 680 |
char *p_str; |
char *p_str; |
| 681 |
|
int del_line; |
| 682 |
|
|
| 683 |
clrline(output_current_row, SCREEN_ROWS); |
clrline(output_current_row, SCREEN_ROWS); |
| 684 |
|
|
| 688 |
return ch; |
return ch; |
| 689 |
} |
} |
| 690 |
|
|
| 691 |
loop = 1; |
for (loop = 1; !SYS_server_exit && loop;) |
|
while (!SYS_server_exit && loop) |
|
| 692 |
{ |
{ |
| 693 |
if (line_current >= p_editor_data->display_line_total || output_current_row > output_end_row) |
if (line_current >= p_editor_data->display_line_total || output_current_row > output_end_row) |
| 694 |
{ |
{ |
| 696 |
|
|
| 697 |
snprintf(buffer, sizeof(buffer), |
snprintf(buffer, sizeof(buffer), |
| 698 |
"\033[1;44;33m[\033[32m%ld\033[33m;\033[32m%ld\033[33m] " |
"\033[1;44;33m[\033[32m%ld\033[33m;\033[32m%ld\033[33m] " |
| 699 |
"µÚ\033[32m%ld\033[33m/\033[32m%ld\033[33mÐÐ [\033[32m%s\033[33m] " |
"第\033[32m%ld\033[33m/\033[32m%ld\033[33m行 [\033[32m%s\033[33m] " |
| 700 |
"%s", |
"%s", |
| 701 |
row_pos, col_pos, |
row_pos, col_pos, |
| 702 |
ctx.line_cursor, p_editor_data->display_line_total, |
ctx.line_cursor, p_editor_data->display_line_total, |
| 703 |
key_insert ? "²åÈë" : "¸Äд", |
key_insert ? "æ’å…¥" : "替æ¢", |
| 704 |
ctx.msg); |
ctx.msg); |
| 705 |
|
|
| 706 |
len = split_line(buffer, SCREEN_COLS, &eol, &display_len); |
len = split_line(buffer, SCREEN_COLS, &eol, &display_len, 1); |
| 707 |
for (; display_len < SCREEN_COLS; display_len++) |
for (; display_len < SCREEN_COLS; display_len++) |
| 708 |
{ |
{ |
| 709 |
buffer[len++] = ' '; |
buffer[len++] = ' '; |
| 717 |
moveto((int)row_pos, (int)col_pos); |
moveto((int)row_pos, (int)col_pos); |
| 718 |
iflush(); |
iflush(); |
| 719 |
|
|
| 720 |
input_ok = 0; |
str_len = 0; |
| 721 |
while (!SYS_server_exit && !input_ok) |
ch = igetch_t(BBS_max_user_idle_time); |
| 722 |
|
while (!SYS_server_exit) |
| 723 |
{ |
{ |
| 724 |
ch = igetch_t(MAX_DELAY_TIME); |
if (ch != KEY_NULL && ch != KEY_TIMEOUT) |
| 725 |
input_ok = 1; |
{ |
| 726 |
|
BBS_last_access_tm = time(NULL); |
| 727 |
|
} |
| 728 |
|
|
| 729 |
// extended key handler |
// extended key handler |
| 730 |
if (editor_display_key_handler(&ch, &ctx) != 0) |
if (editor_display_key_handler(&ch, &ctx) != 0) |
| 732 |
goto cleanup; |
goto cleanup; |
| 733 |
} |
} |
| 734 |
|
|
| 735 |
if (ch > 127 && ch <= 255) // GBK |
if (ch < 256 && (ch & 0x80)) // head of multi-byte character |
|
{ |
|
|
input_str[str_len] = (char)(ch - 256); |
|
|
str_len++; |
|
|
} |
|
|
else |
|
| 736 |
{ |
{ |
| 737 |
str_len = 0; |
str_len = 0; |
| 738 |
|
c = (char)(ch & 0xf0); |
| 739 |
|
while (c & 0x80) |
| 740 |
|
{ |
| 741 |
|
input_str[str_len] = (char)(ch - 256); |
| 742 |
|
str_len++; |
| 743 |
|
c = (c & 0x7f) << 1; |
| 744 |
|
|
| 745 |
|
if ((c & 0x80) == 0) // Input completed |
| 746 |
|
{ |
| 747 |
|
break; |
| 748 |
|
} |
| 749 |
|
|
| 750 |
|
// Expect additional bytes of input |
| 751 |
|
ch = igetch(100); // 0.1 second |
| 752 |
|
if (ch == KEY_NULL || ch == KEY_TIMEOUT) // Ignore received bytes if no futher input |
| 753 |
|
{ |
| 754 |
|
#ifdef _DEBUG |
| 755 |
|
log_error("Ignore %d bytes of incomplete UTF8 character\n", str_len); |
| 756 |
|
#endif |
| 757 |
|
str_len = 0; |
| 758 |
|
break; |
| 759 |
|
} |
| 760 |
|
} |
| 761 |
|
input_str[str_len] = '\0'; |
| 762 |
} |
} |
| 763 |
|
|
| 764 |
if ((ch >= 32 && ch < 127) || (ch > 127 && ch <= 255 && str_len == 2) || // Printable character or GBK |
if ((ch >= 32 && ch < 127) || str_len >= 2 || // Printable character or multi-byte character |
| 765 |
ch == CR || ch == KEY_ESC) // Special character |
ch == CR || ch == KEY_ESC) // Special character |
| 766 |
{ |
{ |
| 767 |
if (str_len == 0) |
// Refresh current action while user input |
| 768 |
|
if (user_online_update(NULL) < 0) |
| 769 |
|
{ |
| 770 |
|
log_error("user_online_update(NULL) error\n"); |
| 771 |
|
} |
| 772 |
|
|
| 773 |
|
if (str_len == 0) // ch >= 32 && ch < 127 |
| 774 |
{ |
{ |
| 775 |
input_str[0] = (char)ch; |
input_str[0] = (char)ch; |
| 776 |
str_len = 1; |
str_len = 1; |
| 777 |
} |
} |
| 778 |
|
|
|
last_updated_line = line_current; |
|
| 779 |
display_line_in = line_current - output_current_row + row_pos; |
display_line_in = line_current - output_current_row + row_pos; |
| 780 |
offset_in = col_pos - 1; |
offset_in = split_line(p_editor_data->p_display_lines[display_line_in], (int)col_pos - 1, &eol, &display_len, 0); |
| 781 |
display_line_out = display_line_in; |
display_line_out = display_line_in; |
| 782 |
offset_out = offset_in; |
offset_out = offset_in; |
| 783 |
|
|
| 784 |
|
last_updated_line = display_line_in; |
| 785 |
|
|
| 786 |
if (!key_insert) // overwrite |
if (!key_insert) // overwrite |
| 787 |
{ |
{ |
| 788 |
if (editor_data_delete(p_editor_data, display_line_in, offset_in, |
if (editor_data_delete(p_editor_data, &display_line_out, &offset_out, |
| 789 |
&last_updated_line) < 0) |
&last_updated_line, 0) < 0) |
| 790 |
{ |
{ |
| 791 |
log_error("editor_data_delete() error\n"); |
log_error("editor_data_delete() error\n"); |
| 792 |
} |
} |
| 796 |
input_str, str_len, &last_updated_line) < 0) |
input_str, str_len, &last_updated_line) < 0) |
| 797 |
{ |
{ |
| 798 |
log_error("editor_data_insert(str_len=%d) error\n", str_len); |
log_error("editor_data_insert(str_len=%d) error\n", str_len); |
|
str_len = 0; |
|
| 799 |
} |
} |
| 800 |
else |
else |
| 801 |
{ |
{ |
|
str_len = 0; |
|
|
|
|
| 802 |
output_end_row = MIN(SCREEN_ROWS - 1, output_current_row + (int)(last_updated_line - line_current)); |
output_end_row = MIN(SCREEN_ROWS - 1, output_current_row + (int)(last_updated_line - line_current)); |
| 803 |
line_current -= (output_current_row - row_pos); |
line_current -= (output_current_row - row_pos); |
| 804 |
output_current_row = (int)row_pos; |
output_current_row = (int)row_pos; |
| 811 |
clrtoeol(); |
clrtoeol(); |
| 812 |
for (i = 0; i < scroll_rows; i++) |
for (i = 0; i < scroll_rows; i++) |
| 813 |
{ |
{ |
| 814 |
prints("\033[S"); // Scroll up 1 line |
// prints("\033[S"); // Scroll up 1 line |
| 815 |
|
prints("\n"); // Legacy Cterm only works with this line |
| 816 |
} |
} |
| 817 |
|
|
| 818 |
output_current_row -= scroll_rows; |
output_current_row -= scroll_rows; |
| 827 |
{ |
{ |
| 828 |
row_pos += (display_line_out - display_line_in); |
row_pos += (display_line_out - display_line_in); |
| 829 |
} |
} |
| 830 |
col_pos = offset_out + 1; |
|
| 831 |
|
if (offset_out != offset_in) |
| 832 |
|
{ |
| 833 |
|
if (display_line_out != display_line_in) |
| 834 |
|
{ |
| 835 |
|
col_pos = 1; |
| 836 |
|
} |
| 837 |
|
if (offset_out > 0) |
| 838 |
|
{ |
| 839 |
|
if (mbstowcs(wcs, input_str, 1) == (size_t)-1) |
| 840 |
|
{ |
| 841 |
|
log_error("mbstowcs() error\n"); |
| 842 |
|
} |
| 843 |
|
col_pos += (str_len == 1 ? 1 : (UTF8_fixed_width ? 2 : wcwidth(wcs[0]))); |
| 844 |
|
} |
| 845 |
|
} |
| 846 |
} |
} |
| 847 |
|
|
| 848 |
|
if (display_line_out != display_line_in) // Output on line change |
| 849 |
|
{ |
| 850 |
|
break; |
| 851 |
|
} |
| 852 |
|
|
| 853 |
|
ch = igetch(0); |
| 854 |
|
if (ch == KEY_NULL || ch == KEY_TIMEOUT) // Output if no futher input |
| 855 |
|
{ |
| 856 |
|
break; |
| 857 |
|
} |
| 858 |
|
|
| 859 |
|
str_len = 0; |
| 860 |
continue; |
continue; |
| 861 |
} |
} |
| 862 |
else if (ch == KEY_DEL || ch == BACKSPACE) // Del |
else if (ch == KEY_DEL || ch == BACKSPACE || ch == Ctrl('K') || ch == Ctrl('Y')) // Del |
| 863 |
{ |
{ |
| 864 |
|
// Refresh current action while user input |
| 865 |
|
if (user_online_update(NULL) < 0) |
| 866 |
|
{ |
| 867 |
|
log_error("user_online_update(NULL) error\n"); |
| 868 |
|
} |
| 869 |
|
|
| 870 |
|
del_line = 0; |
| 871 |
|
|
| 872 |
if (ch == BACKSPACE) |
if (ch == BACKSPACE) |
| 873 |
{ |
{ |
| 874 |
col_pos--; |
if (line_current - output_current_row + row_pos <= 0 && col_pos <= 1) // Forbidden |
| 875 |
|
{ |
| 876 |
|
break; // force output prior operation result if any |
| 877 |
|
} |
| 878 |
|
|
| 879 |
|
offset_in = split_line(p_editor_data->p_display_lines[line_current - output_current_row + row_pos], |
| 880 |
|
(int)col_pos - 1, &eol, &display_len, 0); |
| 881 |
|
col_pos = display_len; |
| 882 |
if (col_pos < 1 && line_current - output_current_row + row_pos >= 0) |
if (col_pos < 1 && line_current - output_current_row + row_pos >= 0) |
| 883 |
{ |
{ |
| 884 |
row_pos--; |
row_pos--; |
| 885 |
col_pos = MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos]); |
col_pos = MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos]); |
| 886 |
} |
} |
| 887 |
} |
} |
| 888 |
|
else if (ch == Ctrl('K')) |
| 889 |
|
{ |
| 890 |
|
del_line = 1; |
| 891 |
|
} |
| 892 |
|
else if (ch == Ctrl('Y')) |
| 893 |
|
{ |
| 894 |
|
col_pos = 1; |
| 895 |
|
del_line = 1; |
| 896 |
|
} |
| 897 |
|
|
| 898 |
if ((str_len = editor_data_delete(p_editor_data, line_current - output_current_row + row_pos, col_pos - 1, |
display_line_in = line_current - output_current_row + row_pos; |
| 899 |
&last_updated_line)) < 0) |
offset_in = split_line(p_editor_data->p_display_lines[display_line_in], (int)col_pos - 1, &eol, &display_len, 0); |
| 900 |
|
display_line_out = display_line_in; |
| 901 |
|
offset_out = offset_in; |
| 902 |
|
|
| 903 |
|
if ((str_len = editor_data_delete(p_editor_data, &display_line_out, &offset_out, |
| 904 |
|
&last_updated_line, del_line)) < 0) |
| 905 |
{ |
{ |
| 906 |
log_error("editor_data_delete() error\n"); |
log_error("editor_data_delete() error: %d\n", str_len); |
| 907 |
} |
} |
| 908 |
else |
else |
| 909 |
{ |
{ |
| 910 |
if (ch == BACKSPACE) |
col_pos = display_len + 1; // Set col_pos to accurate pos |
|
{ |
|
|
for (i = 1; i < str_len; i++) |
|
|
{ |
|
|
col_pos--; |
|
|
if (col_pos < 1 && line_current - output_current_row + row_pos >= 0) |
|
|
{ |
|
|
row_pos--; |
|
|
col_pos = MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos]); |
|
|
} |
|
|
} |
|
|
} |
|
| 911 |
|
|
| 912 |
output_end_row = MIN(SCREEN_ROWS - 1, output_current_row + (int)(last_updated_line - line_current)); |
output_end_row = MIN(SCREEN_ROWS - 1, output_current_row + (int)(last_updated_line - line_current)); |
| 913 |
line_current -= (output_current_row - row_pos); |
line_current -= (output_current_row - row_pos); |
| 931 |
row_pos += scroll_rows; |
row_pos += scroll_rows; |
| 932 |
output_current_row = screen_begin_row; |
output_current_row = screen_begin_row; |
| 933 |
output_end_row = SCREEN_ROWS - 1; |
output_end_row = SCREEN_ROWS - 1; |
|
clrline(output_current_row, SCREEN_ROWS); |
|
| 934 |
} |
} |
| 935 |
|
|
| 936 |
|
clrline(output_current_row, output_end_row); |
| 937 |
} |
} |
| 938 |
|
|
| 939 |
|
if (display_line_out != display_line_in) // Output on line change |
| 940 |
|
{ |
| 941 |
|
break; |
| 942 |
|
} |
| 943 |
|
|
| 944 |
|
ch = igetch(0); |
| 945 |
|
if (ch == KEY_NULL || ch == KEY_TIMEOUT) // Output if no futher input |
| 946 |
|
{ |
| 947 |
|
break; |
| 948 |
|
} |
| 949 |
|
|
| 950 |
|
str_len = 0; |
| 951 |
continue; |
continue; |
| 952 |
} |
} |
| 953 |
|
|
| 954 |
|
input_ok = 1; |
| 955 |
switch (ch) |
switch (ch) |
| 956 |
{ |
{ |
| 957 |
case KEY_NULL: |
case KEY_NULL: |
| 958 |
|
log_error("KEY_NULL\n"); |
| 959 |
|
goto cleanup; |
| 960 |
case KEY_TIMEOUT: |
case KEY_TIMEOUT: |
| 961 |
|
log_error("User input timeout\n"); |
| 962 |
goto cleanup; |
goto cleanup; |
| 963 |
case Ctrl('C'): |
case Ctrl('W'): |
| 964 |
|
case Ctrl('X'): |
| 965 |
loop = 0; |
loop = 0; |
| 966 |
break; |
break; |
| 967 |
case Ctrl('S'): // Start of line |
case Ctrl('S'): // Start of line |
| 970 |
break; |
break; |
| 971 |
case Ctrl('E'): // End of line |
case Ctrl('E'): // End of line |
| 972 |
case KEY_CTRL_RIGHT: |
case KEY_CTRL_RIGHT: |
| 973 |
col_pos = MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos]); |
if (line_current - output_current_row + row_pos == p_editor_data->display_line_total - 1) // row_pos at end line |
| 974 |
|
{ |
| 975 |
|
// last display line does NOT have \n in the end |
| 976 |
|
col_pos = p_editor_data->display_line_widths[line_current - output_current_row + row_pos] + 1; |
| 977 |
|
break; |
| 978 |
|
} |
| 979 |
|
col_pos = MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos]); |
| 980 |
break; |
break; |
| 981 |
case Ctrl('T'): // Top of screen |
case Ctrl('T'): // Top of screen |
| 982 |
case KEY_CTRL_UP: |
case KEY_CTRL_UP: |
| 983 |
row_pos = screen_begin_row; |
row_pos = screen_begin_row; |
| 984 |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos])); |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos])); |
| 985 |
break; |
break; |
| 986 |
case Ctrl('B'): // Bottom of screen |
case Ctrl('B'): // Bottom of screen |
| 987 |
case KEY_CTRL_DOWN: |
case KEY_CTRL_DOWN: |
| 988 |
row_pos = SCREEN_ROWS - 1; |
if (p_editor_data->display_line_total < screen_row_total) |
| 989 |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos])); |
{ |
| 990 |
|
row_pos = p_editor_data->display_line_total; |
| 991 |
|
} |
| 992 |
|
else |
| 993 |
|
{ |
| 994 |
|
row_pos = SCREEN_ROWS - 1; |
| 995 |
|
} |
| 996 |
|
if (line_current + (screen_row_total - (output_current_row - screen_begin_row)) >= p_editor_data->display_line_total) // Reach end |
| 997 |
|
{ |
| 998 |
|
// last display line does NOT have \n in the end |
| 999 |
|
col_pos = MIN(col_pos, p_editor_data->display_line_widths[line_current - output_current_row + row_pos] + 1); |
| 1000 |
|
} |
| 1001 |
|
else |
| 1002 |
|
{ |
| 1003 |
|
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos])); |
| 1004 |
|
} |
| 1005 |
break; |
break; |
| 1006 |
case KEY_INS: |
case KEY_INS: |
| 1007 |
key_insert = !key_insert; |
key_insert = !key_insert; |
| 1022 |
if (p_editor_data->display_line_total < screen_row_total) |
if (p_editor_data->display_line_total < screen_row_total) |
| 1023 |
{ |
{ |
| 1024 |
row_pos = p_editor_data->display_line_total; |
row_pos = p_editor_data->display_line_total; |
| 1025 |
col_pos = MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos]); |
col_pos = p_editor_data->display_line_widths[line_current - output_current_row + row_pos] + 1; |
| 1026 |
break; |
break; |
| 1027 |
} |
} |
| 1028 |
line_current = p_editor_data->display_line_total - screen_row_total; |
line_current = p_editor_data->display_line_total - screen_row_total; |
| 1029 |
output_current_row = screen_begin_row; |
output_current_row = screen_begin_row; |
| 1030 |
output_end_row = SCREEN_ROWS - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 1031 |
row_pos = SCREEN_ROWS - 1; |
row_pos = SCREEN_ROWS - 1; |
| 1032 |
col_pos = MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos]); |
col_pos = p_editor_data->display_line_widths[line_current - output_current_row + row_pos] + 1; |
| 1033 |
clrline(output_current_row, SCREEN_ROWS); |
clrline(output_current_row, SCREEN_ROWS); |
| 1034 |
break; |
break; |
| 1035 |
case KEY_LEFT: |
case KEY_LEFT: |
| 1036 |
if (col_pos > 1) |
offset_in = split_line(p_editor_data->p_display_lines[line_current - output_current_row + row_pos], |
| 1037 |
|
(int)col_pos - 1, &eol, &display_len, 0); |
| 1038 |
|
col_pos = display_len; |
| 1039 |
|
if (offset_in > 0) |
| 1040 |
|
{ |
| 1041 |
|
str_len = 1; |
| 1042 |
|
offset_in--; |
| 1043 |
|
if (p_editor_data->p_display_lines[line_current - output_current_row + row_pos][offset_in] < 0 || |
| 1044 |
|
p_editor_data->p_display_lines[line_current - output_current_row + row_pos][offset_in] > 127) // UTF8 |
| 1045 |
|
{ |
| 1046 |
|
while (offset_in > 0 && |
| 1047 |
|
(p_editor_data->p_display_lines[line_current - output_current_row + row_pos][offset_in] & 0xc0) != 0xc0) |
| 1048 |
|
{ |
| 1049 |
|
str_len++; |
| 1050 |
|
offset_in--; |
| 1051 |
|
} |
| 1052 |
|
|
| 1053 |
|
if (str_len > 4) |
| 1054 |
|
{ |
| 1055 |
|
log_error("Invalid UTF-8 data detected: str_len > 4\n"); |
| 1056 |
|
} |
| 1057 |
|
|
| 1058 |
|
if (mbstowcs(wcs, p_editor_data->p_display_lines[line_current - output_current_row + row_pos] + offset_in, 1) == |
| 1059 |
|
(size_t)-1) |
| 1060 |
|
{ |
| 1061 |
|
log_error("mbstowcs() error\n"); |
| 1062 |
|
} |
| 1063 |
|
wc_len = (UTF8_fixed_width ? 2 : wcwidth(wcs[0])); |
| 1064 |
|
|
| 1065 |
|
if (wc_len == 2) |
| 1066 |
|
{ |
| 1067 |
|
col_pos--; |
| 1068 |
|
} |
| 1069 |
|
} |
| 1070 |
|
} |
| 1071 |
|
if (col_pos >= 1) |
| 1072 |
{ |
{ |
|
col_pos--; |
|
| 1073 |
break; |
break; |
| 1074 |
} |
} |
| 1075 |
col_pos = SCREEN_COLS; // continue to KEY_UP |
col_pos = SCREEN_COLS; // continue to KEY_UP |
| 1077 |
if (row_pos > screen_begin_row) |
if (row_pos > screen_begin_row) |
| 1078 |
{ |
{ |
| 1079 |
row_pos--; |
row_pos--; |
| 1080 |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos])); |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos])); |
| 1081 |
break; |
break; |
| 1082 |
} |
} |
| 1083 |
if (line_current - output_current_row < 0) // Reach begin |
if (line_current - output_current_row < 0) // Reach begin |
| 1090 |
// screen_end_line = begin_line; |
// screen_end_line = begin_line; |
| 1091 |
// prints("\033[T"); // Scroll down 1 line |
// prints("\033[T"); // Scroll down 1 line |
| 1092 |
output_end_row = SCREEN_ROWS - 1; // Legacy Fterm only works with this line |
output_end_row = SCREEN_ROWS - 1; // Legacy Fterm only works with this line |
| 1093 |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos])); |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos])); |
|
break; |
|
|
case KEY_SPACE: |
|
| 1094 |
break; |
break; |
| 1095 |
case KEY_RIGHT: |
case KEY_RIGHT: |
| 1096 |
if (col_pos < p_editor_data->display_line_lengths[line_current - output_current_row + row_pos]) |
offset_in = split_line(p_editor_data->p_display_lines[line_current - output_current_row + row_pos], |
| 1097 |
|
(int)col_pos - 1, &eol, &display_len, 0); |
| 1098 |
|
col_pos = display_len + 2; |
| 1099 |
|
if (offset_in < p_editor_data->display_line_lengths[line_current - output_current_row + row_pos]) |
| 1100 |
|
{ |
| 1101 |
|
str_len = 0; |
| 1102 |
|
if ((p_editor_data->p_display_lines[line_current - output_current_row + row_pos][offset_in] & 0x80) == |
| 1103 |
|
0x80) // head of multi-byte character |
| 1104 |
|
{ |
| 1105 |
|
c = (char)(p_editor_data->p_display_lines[line_current - output_current_row + row_pos][offset_in] & 0xf0); |
| 1106 |
|
while (c & 0x80) |
| 1107 |
|
{ |
| 1108 |
|
str_len++; |
| 1109 |
|
c = (c & 0x7f) << 1; |
| 1110 |
|
} |
| 1111 |
|
|
| 1112 |
|
if (str_len > 4) |
| 1113 |
|
{ |
| 1114 |
|
log_error("Invalid UTF-8 data detected: str_len > 4\n"); |
| 1115 |
|
} |
| 1116 |
|
|
| 1117 |
|
if (mbstowcs(wcs, p_editor_data->p_display_lines[line_current - output_current_row + row_pos] + offset_in, 1) == |
| 1118 |
|
(size_t)-1) |
| 1119 |
|
{ |
| 1120 |
|
log_error("mbstowcs() error\n"); |
| 1121 |
|
} |
| 1122 |
|
wc_len = (UTF8_fixed_width ? 2 : wcwidth(wcs[0])); |
| 1123 |
|
|
| 1124 |
|
if (wc_len == 2) |
| 1125 |
|
{ |
| 1126 |
|
col_pos++; |
| 1127 |
|
} |
| 1128 |
|
} |
| 1129 |
|
else |
| 1130 |
|
{ |
| 1131 |
|
str_len = 1; |
| 1132 |
|
} |
| 1133 |
|
offset_in += str_len; |
| 1134 |
|
} |
| 1135 |
|
if (col_pos <= p_editor_data->display_line_widths[line_current - output_current_row + row_pos]) |
| 1136 |
{ |
{ |
|
col_pos++; |
|
| 1137 |
break; |
break; |
| 1138 |
} |
} |
| 1139 |
col_pos = 1; // continue to KEY_DOWN |
col_pos = 1; // continue to KEY_DOWN |
| 1141 |
if (row_pos < MIN(screen_row_total, p_editor_data->display_line_total)) |
if (row_pos < MIN(screen_row_total, p_editor_data->display_line_total)) |
| 1142 |
{ |
{ |
| 1143 |
row_pos++; |
row_pos++; |
| 1144 |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos])); |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos])); |
| 1145 |
break; |
break; |
| 1146 |
} |
} |
| 1147 |
if (line_current + (screen_row_total - (output_current_row - screen_begin_row)) >= p_editor_data->display_line_total) // Reach end |
if (line_current - output_current_row + row_pos == p_editor_data->display_line_total - 1) // row_pos at end line |
| 1148 |
{ |
{ |
| 1149 |
col_pos = MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos]); |
// last display line does NOT have \n in the end |
| 1150 |
|
col_pos = p_editor_data->display_line_widths[line_current - output_current_row + row_pos] + 1; |
| 1151 |
break; |
break; |
| 1152 |
} |
} |
| 1153 |
line_current += (screen_row_total - (output_current_row - screen_begin_row)); |
line_current += (screen_row_total - (output_current_row - screen_begin_row)); |
| 1154 |
output_current_row = screen_row_total; |
output_current_row = screen_row_total; |
| 1155 |
output_end_row = SCREEN_ROWS - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 1156 |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos])); |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos])); |
| 1157 |
moveto(SCREEN_ROWS, 0); |
moveto(SCREEN_ROWS, 0); |
| 1158 |
clrtoeol(); |
clrtoeol(); |
| 1159 |
prints("\033[S"); // Scroll up 1 line |
// prints("\033[S"); // Scroll up 1 line |
| 1160 |
|
prints("\n"); // Legacy Cterm only works with this line |
| 1161 |
break; |
break; |
| 1162 |
case KEY_PGUP: |
case KEY_PGUP: |
| 1163 |
if (line_current - output_current_row < 0) // Reach begin |
if (line_current - output_current_row < 0) // Reach begin |
| 1171 |
} |
} |
| 1172 |
output_current_row = screen_begin_row; |
output_current_row = screen_begin_row; |
| 1173 |
output_end_row = SCREEN_ROWS - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 1174 |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos])); |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos])); |
| 1175 |
clrline(output_current_row, SCREEN_ROWS); |
clrline(output_current_row, SCREEN_ROWS); |
| 1176 |
break; |
break; |
| 1177 |
case KEY_PGDN: |
case KEY_PGDN: |
| 1186 |
} |
} |
| 1187 |
output_current_row = screen_begin_row; |
output_current_row = screen_begin_row; |
| 1188 |
output_end_row = SCREEN_ROWS - 1; |
output_end_row = SCREEN_ROWS - 1; |
| 1189 |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_lengths[line_current - output_current_row + row_pos])); |
col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos])); |
| 1190 |
clrline(output_current_row, SCREEN_ROWS); |
clrline(output_current_row, SCREEN_ROWS); |
| 1191 |
break; |
break; |
| 1192 |
|
case Ctrl('Q'): |
| 1193 |
case KEY_F1: |
case KEY_F1: |
| 1194 |
if (!show_help) // Not reentrant |
if (!show_help) // Not re-entrant |
| 1195 |
{ |
{ |
| 1196 |
break; |
break; |
| 1197 |
} |
} |
| 1198 |
// Display help information |
// Display help information |
| 1199 |
show_help = 0; |
show_help = 0; |
| 1200 |
display_file(DATA_READ_HELP, 1); |
display_file(DATA_EDITOR_HELP, 1); |
| 1201 |
show_help = 1; |
show_help = 1; |
| 1202 |
case KEY_F5: |
case KEY_F5: |
| 1203 |
// Refresh after display help information |
// Refresh after display help information |
| 1213 |
break; |
break; |
| 1214 |
} |
} |
| 1215 |
|
|
| 1216 |
BBS_last_access_tm = time(0); |
// Refresh current action while user input |
| 1217 |
|
if (user_online_update(NULL) < 0) |
| 1218 |
|
{ |
| 1219 |
|
log_error("user_online_update(NULL) error\n"); |
| 1220 |
|
} |
| 1221 |
|
|
| 1222 |
if (input_ok) |
if (input_ok) |
| 1223 |
{ |
{ |
| 1224 |
break; |
break; |
| 1225 |
} |
} |
| 1226 |
|
|
| 1227 |
|
ch = igetch_t(BBS_max_user_idle_time); |
| 1228 |
} |
} |
| 1229 |
|
|
| 1230 |
continue; |
continue; |