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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 "bbs.h" |
#include "bbs.h" |
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#include "common.h" |
#include "common.h" |
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} |
} |
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int editor_data_delete(EDITOR_DATA *p_editor_data, long *p_display_line, long *p_offset, |
int editor_data_delete(EDITOR_DATA *p_editor_data, long *p_display_line, long *p_offset, |
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long *p_last_updated_line) |
long *p_last_updated_line, int del_line) |
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{ |
{ |
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long display_line = *p_display_line; |
long display_line = *p_display_line; |
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long offset = *p_offset; |
long offset = *p_offset; |
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} |
} |
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// Check str to be deleted |
// Check str to be deleted |
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if (p_data_line[offset_data_line] > 0 && p_data_line[offset_data_line] < 127) |
if (del_line) |
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{ |
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str_len = (int)(p_editor_data->display_line_lengths[display_line] - offset); |
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} |
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else if (p_data_line[offset_data_line] > 0 && p_data_line[offset_data_line] < 127) |
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{ |
{ |
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str_len = 1; |
str_len = 1; |
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} |
} |
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// Current display line is (almost) empty |
// Current display line is (almost) empty |
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if (offset_data_line + str_len > len_data_line || |
if (offset_data_line + str_len > len_data_line || |
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(offset_data_line + str_len == len_data_line && p_data_line[offset_data_line] == '\n')) |
(offset_data_line + str_len == len_data_line && |
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p_data_line[del_line ? len_data_line - 1 : offset_data_line] == '\n')) |
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{ |
{ |
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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) |
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{ |
{ |
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int key_insert = 1; |
int key_insert = 1; |
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int i, j; |
int i, j; |
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char *p_str; |
char *p_str; |
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int del_line; |
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clrline(output_current_row, SCREEN_ROWS); |
clrline(output_current_row, SCREEN_ROWS); |
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iflush(); |
iflush(); |
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str_len = 0; |
str_len = 0; |
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ch = igetch_t(MAX_DELAY_TIME); |
ch = igetch_t(BBS_max_user_idle_time); |
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while (!SYS_server_exit) |
while (!SYS_server_exit) |
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{ |
{ |
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if (ch != KEY_NULL && ch != KEY_TIMEOUT) |
if (ch != KEY_NULL && ch != KEY_TIMEOUT) |
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if (!key_insert) // overwrite |
if (!key_insert) // overwrite |
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{ |
{ |
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if (editor_data_delete(p_editor_data, &display_line_out, &offset_out, |
if (editor_data_delete(p_editor_data, &display_line_out, &offset_out, |
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&last_updated_line) < 0) |
&last_updated_line, 0) < 0) |
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{ |
{ |
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log_error("editor_data_delete() error\n"); |
log_error("editor_data_delete() error\n"); |
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} |
} |
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str_len = 0; |
str_len = 0; |
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continue; |
continue; |
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} |
} |
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else if (ch == KEY_DEL || ch == BACKSPACE) // Del |
else if (ch == KEY_DEL || ch == BACKSPACE || ch == Ctrl('K') || ch == Ctrl('Y')) // Del |
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{ |
{ |
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// Refresh current action while user input |
// Refresh current action while user input |
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if (user_online_update(NULL) < 0) |
if (user_online_update(NULL) < 0) |
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log_error("user_online_update(NULL) error\n"); |
log_error("user_online_update(NULL) error\n"); |
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} |
} |
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del_line = 0; |
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if (ch == BACKSPACE) |
if (ch == BACKSPACE) |
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{ |
{ |
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if (line_current - output_current_row + row_pos <= 0 && col_pos <= 1) // Forbidden |
if (line_current - output_current_row + row_pos <= 0 && col_pos <= 1) // Forbidden |
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col_pos = MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos]); |
col_pos = MAX(1, p_editor_data->display_line_widths[line_current - output_current_row + row_pos]); |
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} |
} |
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} |
} |
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else if (ch == Ctrl('K')) |
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{ |
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del_line = 1; |
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} |
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else if (ch == Ctrl('Y')) |
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{ |
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col_pos = 1; |
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del_line = 1; |
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} |
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display_line_in = line_current - output_current_row + row_pos; |
display_line_in = line_current - output_current_row + row_pos; |
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offset_in = split_line(p_editor_data->p_display_lines[display_line_in], (int)col_pos - 1, &eol, &display_len, 0); |
offset_in = split_line(p_editor_data->p_display_lines[display_line_in], (int)col_pos - 1, &eol, &display_len, 0); |
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offset_out = offset_in; |
offset_out = offset_in; |
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if ((str_len = editor_data_delete(p_editor_data, &display_line_out, &offset_out, |
if ((str_len = editor_data_delete(p_editor_data, &display_line_out, &offset_out, |
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&last_updated_line)) < 0) |
&last_updated_line, del_line)) < 0) |
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{ |
{ |
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log_error("editor_data_delete() error\n"); |
log_error("editor_data_delete() error: %d\n", str_len); |
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} |
} |
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else |
else |
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{ |
{ |
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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 |
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col_pos = MIN(col_pos, MAX(1, p_editor_data->display_line_widths[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])); |
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break; |
break; |
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case KEY_SPACE: |
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break; |
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case KEY_RIGHT: |
case KEY_RIGHT: |
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offset_in = split_line(p_editor_data->p_display_lines[line_current - output_current_row + row_pos], |
offset_in = split_line(p_editor_data->p_display_lines[line_current - output_current_row + row_pos], |
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(int)col_pos - 1, &eol, &display_len, 0); |
(int)col_pos - 1, &eol, &display_len, 0); |
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break; |
break; |
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case Ctrl('Q'): |
case Ctrl('Q'): |
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case KEY_F1: |
case KEY_F1: |
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if (!show_help) // Not reentrant |
if (!show_help) // Not re-entrant |
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{ |
{ |
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break; |
break; |
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} |
} |
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// Display help information |
// Display help information |
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show_help = 0; |
show_help = 0; |
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display_file(DATA_READ_HELP, 1); |
display_file(DATA_EDITOR_HELP, 1); |
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show_help = 1; |
show_help = 1; |
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case KEY_F5: |
case KEY_F5: |
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// Refresh after display help information |
// Refresh after display help information |
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break; |
break; |
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} |
} |
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ch = igetch_t(MAX_DELAY_TIME); |
ch = igetch_t(BBS_max_user_idle_time); |
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} |
} |
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continue; |
continue; |