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tmate/input-keys.c
Nicholas Marriott dbbc314cc9 Handle ctrl/shift modifiers better.
2009-01-12 21:47:03 +00:00

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/* $Id: input-keys.c,v 1.22 2009-01-12 21:47:03 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
struct input_key_ent {
int key;
const char *data;
int flags;
#define INPUTKEY_KEYPAD 0x1 /* keypad key */
#define INPUTKEY_CURSOR 0x2 /* cursor key */
#define INPUTKEY_MODIFIER 0x4 /* may be adjusted by modifiers */
#define INPUTKEY_XTERM 0x4 /* may have xterm argument appended */
};
struct input_key_ent input_keys[] = {
/* Function keys. */
{ KEYC_F1, "\033OP", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F2, "\033OQ", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F3, "\033OR", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F4, "\033OS", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F5, "\033[15~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F6, "\033[17~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F7, "\033[18~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F8, "\033[19~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F9, "\033[20~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F10, "\033[21~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F11, "\033[23~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_F12, "\033[24~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_IC, "\033[2~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_DC, "\033[3~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_HOME, "\033[1~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_END, "\033[4~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_NPAGE, "\033[6~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_PPAGE, "\033[5~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
{ KEYC_BTAB, "\033[Z", INPUTKEY_MODIFIER },
/* Arrow keys. Cursor versions must come first. */
{ KEYC_UP, "\033OA", INPUTKEY_CURSOR },
{ KEYC_DOWN, "\033OB", INPUTKEY_CURSOR },
{ KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR },
{ KEYC_LEFT, "\033OD", INPUTKEY_CURSOR },
{ KEYC_UP, "\033[A", 0 },
{ KEYC_DOWN, "\033[B", 0 },
{ KEYC_RIGHT, "\033[C", 0 },
{ KEYC_LEFT, "\033[D", 0 },
{ KEYC_ADDCTL(KEYC_UP), "\033Oa", 0 },
{ KEYC_ADDCTL(KEYC_DOWN), "\033Ob", 0 },
{ KEYC_ADDCTL(KEYC_RIGHT), "\033Oc", 0 },
{ KEYC_ADDCTL(KEYC_LEFT), "\033Od", 0 },
{ KEYC_ADDSFT(KEYC_UP), "\033[a", 0 },
{ KEYC_ADDSFT(KEYC_DOWN), "\033[b", 0 },
{ KEYC_ADDSFT(KEYC_RIGHT), "\033[c", 0 },
{ KEYC_ADDSFT(KEYC_LEFT), "\033[d", 0 },
/* Keypad keys. Keypad versions must come first. */
{ KEYC_KP0_1, "/", INPUTKEY_KEYPAD },
{ KEYC_KP0_2, "*", INPUTKEY_KEYPAD },
{ KEYC_KP0_3, "-", INPUTKEY_KEYPAD },
{ KEYC_KP1_0, "7", INPUTKEY_KEYPAD },
{ KEYC_KP1_1, "8", INPUTKEY_KEYPAD },
{ KEYC_KP1_2, "9", INPUTKEY_KEYPAD },
{ KEYC_KP1_3, "+", INPUTKEY_KEYPAD },
{ KEYC_KP2_0, "4", INPUTKEY_KEYPAD },
{ KEYC_KP2_1, "5", INPUTKEY_KEYPAD },
{ KEYC_KP2_2, "6", INPUTKEY_KEYPAD },
{ KEYC_KP3_0, "1", INPUTKEY_KEYPAD },
{ KEYC_KP3_1, "2", INPUTKEY_KEYPAD },
{ KEYC_KP3_2, "3", INPUTKEY_KEYPAD },
{ KEYC_KP3_3, "\n", INPUTKEY_KEYPAD }, /* this can be CRLF too? */
{ KEYC_KP4_0, "0", INPUTKEY_KEYPAD },
{ KEYC_KP4_2, ".", INPUTKEY_KEYPAD },
{ KEYC_KP0_1, "\033Oo", 0 },
{ KEYC_KP0_2, "\033Oj", 0 },
{ KEYC_KP0_3, "\033Om", 0 },
{ KEYC_KP1_0, "\033Ow", 0 },
{ KEYC_KP1_1, "\033Ox", 0 },
{ KEYC_KP1_2, "\033Oy", 0 },
{ KEYC_KP1_3, "\033Ok", 0 },
{ KEYC_KP2_0, "\033Ot", 0 },
{ KEYC_KP2_1, "\033Ou", 0 },
{ KEYC_KP2_2, "\033Ov", 0 },
{ KEYC_KP3_0, "\033Oq", 0 },
{ KEYC_KP3_1, "\033Or", 0 },
{ KEYC_KP3_2, "\033Os", 0 },
{ KEYC_KP3_3, "\033OM", 0 },
{ KEYC_KP4_0, "\033Op", 0 },
{ KEYC_KP4_2, "\033On", 0 },
};
/* Translate a key code from client into an output key sequence. */
void
input_key(struct window_pane *wp, int key)
{
struct input_key_ent *ike;
u_int i;
char ch;
size_t dlen;
log_debug2("writing key 0x%x", key);
if (key != KEYC_NONE && KEYC_REMOVEESC(key) < KEYC_OFFSET) {
if (KEYC_ISESC(key))
buffer_write8(wp->out, '\033');
buffer_write8(wp->out, (uint8_t) KEYC_REMOVEESC(key));
return;
}
for (i = 0; i < nitems(input_keys); i++) {
ike = &input_keys[i];
if ((ike->flags & INPUTKEY_KEYPAD) &&
!(wp->screen->mode & MODE_KKEYPAD))
continue;
if ((ike->flags & INPUTKEY_CURSOR) &&
!(wp->screen->mode & MODE_KCURSOR))
continue;
if (ike->flags & INPUTKEY_MODIFIER) {
if (KEYC_ISCTL(key) && KEYC_ADDCTL(ike->key) == key)
break;
if (KEYC_ISESC(key) && KEYC_ADDESC(ike->key) == key)
break;
if (KEYC_ISSFT(key) && KEYC_ADDSFT(ike->key) == key)
break;
}
if (ike->key == key)
break;
}
if (i == nitems(input_keys)) {
log_debug2("key 0x%x missing", key);
return;
}
dlen = strlen(ike->data);
log_debug2("found key 0x%x: \"%s\"", key, ike->data);
if (ike->flags & INPUTKEY_XTERM &&
options_get_number(&wp->window->options, "xterm-keys")) {
/* In xterm keys mode, append modifier argument. */
ch = '\0';
if (KEYC_ISSFT(key) && KEYC_ISESC(key) && KEYC_ISCTL(key))
ch = '8';
else if (KEYC_ISESC(key) && KEYC_ISCTL(key))
ch = '7';
else if (KEYC_ISSFT(key) && KEYC_ISCTL(key))
ch = '6';
else if (KEYC_ISCTL(key))
ch = '5';
else if (KEYC_ISSFT(key) && KEYC_ISESC(key))
ch = '4';
else if (KEYC_ISESC(key))
ch = '3';
else if (KEYC_ISSFT(key))
ch = '2';
if (ch != '\0') {
log_debug("output argument is: %c", ch);
buffer_write(wp->out, ike->data, dlen - 1);
buffer_write8(wp->out, ';');
buffer_write8(wp->out, ch);
buffer_write8(wp->out, ike->data[dlen - 1]);
} else
buffer_write(wp->out, ike->data, dlen);
return;
}
if (ike->flags & INPUTKEY_MODIFIER) {
/*
* If not in xterm keys or not an xterm key handle escape and
* control (shift not supported).
*/
if (KEYC_ISESC(key))
buffer_write8(wp->out, '\033');
if (!KEYC_ISCTL(key)) {
buffer_write(wp->out, ike->data, dlen);
return;
}
buffer_write(wp->out, ike->data, dlen - 1);
buffer_write8(wp->out, ike->data[dlen - 1] ^ 0x20);
return;
}
buffer_write(wp->out, ike->data, dlen);
}
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