2 Editor key translation.
4 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
6 The Free Software Foundation, Inc.
11 This file is part of the Midnight Commander.
13 The Midnight Commander is free software: you can redistribute it
14 and/or modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation, either version 3 of the License,
16 or (at your option) any later version.
18 The Midnight Commander is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 * \brief Source: editor key translation
35 #include <sys/types.h>
44 #include "lib/global.h"
45 #include "lib/tty/tty.h" /* keys */
46 #include "lib/tty/key.h" /* KEY_M_SHIFT */
47 #include "lib/strutil.h" /* str_isutf8 () */
48 #include "lib/util.h" /* is_printable() */
50 #include "lib/charsets.h"
53 #include "edit-impl.h"
54 #include "editwidget.h" /* WEdit */
55 #include "editcmd_dialogs.h"
57 #include "src/keybind-defaults.h" /* keybind_lookup_keymap_command() */
59 /*** global variables ****************************************************************************/
61 /*** file scope macro definitions ****************************************************************/
63 /*** file scope type declarations ****************************************************************/
65 /*** file scope variables ************************************************************************/
67 /*** file scope functions ************************************************************************/
68 /* --------------------------------------------------------------------------------------------- */
70 /* --------------------------------------------------------------------------------------------- */
71 /*** public functions ****************************************************************************/
72 /* --------------------------------------------------------------------------------------------- */
75 * Translate the keycode into either 'command' or 'char_for_insertion'.
76 * 'command' is one of the editor commands from cmddef.h.
79 edit_translate_key (WEdit
* edit
, long x_key
, int *cmd
, int *ch
)
81 unsigned long command
= (unsigned long) CK_InsertChar
;
82 int char_for_insertion
= -1;
84 /* an ordinary insertable character */
85 if (!edit
->extmod
&& x_key
< 256)
88 if (is_printable (x_key
))
90 char_for_insertion
= x_key
;
96 if (edit
->charpoint
>= 4)
99 edit
->charbuf
[edit
->charpoint
] = '\0';
101 if (edit
->charpoint
< 4)
103 edit
->charbuf
[edit
->charpoint
++] = x_key
;
104 edit
->charbuf
[edit
->charpoint
] = '\0';
107 /* input from 8-bit locale */
108 if (!mc_global
.utf8_display
)
110 /* source in 8-bit codeset */
111 c
= convert_from_input_c (x_key
);
113 if (is_printable (c
))
116 char_for_insertion
= c
;
118 char_for_insertion
= convert_from_8bit_to_utf_c2 ((unsigned char) x_key
);
127 res
= str_is_valid_char (edit
->charbuf
, edit
->charpoint
);
128 if (res
< 0 && res
!= -2)
130 edit
->charpoint
= 0; /* broken multibyte char, skip */
136 /* source in UTF-8 codeset */
139 char_for_insertion
= x_key
;
143 edit
->charbuf
[edit
->charpoint
] = '\0';
145 if (g_unichar_isprint (g_utf8_get_char (edit
->charbuf
)))
147 char_for_insertion
= x_key
;
156 /* not finised multibyte input (in meddle multibyte utf-8 char) */
160 if (g_unichar_isprint (g_utf8_get_char (edit
->charbuf
)))
162 c
= convert_from_utf_to_current (edit
->charbuf
);
163 edit
->charbuf
[0] = '\0';
165 char_for_insertion
= c
;
169 /* unprinteble utf input, skip it */
170 edit
->charbuf
[0] = '\0';
174 #endif /* HAVE_CHARSET */
177 /* Commands specific to the key emulation */
180 edit
->extmod
= FALSE
;
181 command
= keybind_lookup_keymap_command (editor_x_map
, x_key
);
184 command
= keybind_lookup_keymap_command (editor_map
, x_key
);
186 if (command
== CK_IgnoreKey
)
187 command
= CK_InsertChar
;
190 *cmd
= (int) command
; /* FIXME */
191 *ch
= char_for_insertion
;
193 return !(command
== (unsigned long) CK_InsertChar
&& char_for_insertion
== -1);
196 /* --------------------------------------------------------------------------------------------- */