123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161 |
- /* Editor key translation.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
- Authors: 1996, 1997 Paul Sheer
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA.
- */
- /** \file
- * \brief Source: editor key translation
- */
- #include <config.h>
- #include <assert.h>
- #include <stdio.h>
- #include <stdarg.h>
- #include <sys/types.h>
- #include <unistd.h>
- #include <string.h>
- #include <ctype.h>
- #include <errno.h>
- #include <sys/stat.h>
- #include <stdlib.h>
- #include "../src/global.h"
- #include "edit-impl.h"
- #include "edit-widget.h" /* edit->macro_i */
- #include "editcmd_dialogs.h"
- #include "../src/tty/tty.h" /* keys */
- #include "../src/tty/key.h" /* KEY_M_SHIFT */
- #include "../src/cmddef.h" /* list of commands */
- #include "../src/keybind.h" /* lookup_keymap_command() */
- #include "../src/charsets.h" /* convert_from_input_c() */
- #include "../src/main.h" /* display_codepage */
- #include "../src/strutil.h" /* str_isutf8 () */
- /*
- * Translate the keycode into either 'command' or 'char_for_insertion'.
- * 'command' is one of the editor commands from cmddef.h.
- */
- int
- edit_translate_key (WEdit *edit, long x_key, int *cmd, int *ch)
- {
- unsigned long command = (unsigned long) CK_Insert_Char;
- int char_for_insertion = -1;
- int c;
- /* an ordinary insertable character */
- if (x_key < 256) {
- #ifdef HAVE_CHARSET
- if ( edit->charpoint >= 4 ) {
- edit->charpoint = 0;
- edit->charbuf[edit->charpoint] = '\0';
- }
- if ( edit->charpoint < 4 ) {
- edit->charbuf[edit->charpoint++] = x_key;
- edit->charbuf[edit->charpoint] = '\0';
- }
- /* input from 8-bit locale */
- if ( !utf8_display ) {
- /* source in 8-bit codeset */
- if (!edit->utf8) {
- #endif /* HAVE_CHARSET */
- c = convert_from_input_c (x_key);
- if (is_printable (c)) {
- char_for_insertion = c;
- goto fin;
- }
- #ifdef HAVE_CHARSET
- } else {
- c = convert_from_input_c (x_key);
- if (is_printable (c)) {
- char_for_insertion = convert_from_8bit_to_utf_c2((unsigned char) x_key);
- goto fin;
- }
- }
- /* UTF-8 locale */
- } else {
- /* source in UTF-8 codeset */
- if ( edit->utf8 ) {
- int res = str_is_valid_char (edit->charbuf, edit->charpoint);
- if (res < 0) {
- if (res != -2) {
- edit->charpoint = 0; /* broken multibyte char, skip */
- goto fin;
- }
- char_for_insertion = x_key;
- goto fin;
- } else {
- edit->charbuf[edit->charpoint]='\0';
- edit->charpoint = 0;
- if ( g_unichar_isprint (g_utf8_get_char(edit->charbuf))) {
- char_for_insertion = x_key;
- goto fin;
- }
- }
- /* 8-bit source */
- } else {
- int res = str_is_valid_char (edit->charbuf, edit->charpoint);
- if (res < 0) {
- if (res != -2) {
- edit->charpoint = 0; /* broken multibyte char, skip */
- goto fin;
- }
- /* not finised multibyte input (in meddle multibyte utf-8 char) */
- goto fin;
- } else {
- if ( g_unichar_isprint (g_utf8_get_char(edit->charbuf)) ) {
- c = convert_from_utf_to_current ( edit->charbuf );
- edit->charbuf[0] = '\0';
- edit->charpoint = 0;
- char_for_insertion = c;
- goto fin;
- }
- /* unprinteble utf input, skip it */
- edit->charbuf[0] = '\0';
- edit->charpoint = 0;
- }
- }
- }
- #endif /* HAVE_CHARSET */
- }
- /* Commands specific to the key emulation */
- if (edit->extmod) {
- edit->extmod = 0;
- command = lookup_keymap_command (editor_x_map, x_key);
- } else
- command = lookup_keymap_command (editor_map, x_key);
- if (command == CK_Ignore_Key)
- command = CK_Insert_Char;
- fin:
- *cmd = (int) command; /* FIXME */
- *ch = char_for_insertion;
- return (command == (unsigned long) CK_Insert_Char && char_for_insertion == -1) ? 0 : 1;
- }
|