mirror of
https://github.com/tmate-io/tmate.git
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213 lines
6.1 KiB
C
213 lines
6.1 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* This file is rather misleadingly named, it contains the code which takes a
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* key code and translates it into something suitable to be sent to the
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* application running in a pane (similar to input.c does in the other
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* direction with output).
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*/
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struct input_key_ent {
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int key;
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const char *data;
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int flags;
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#define INPUTKEY_KEYPAD 0x1 /* keypad key */
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#define INPUTKEY_CURSOR 0x2 /* cursor key */
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};
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struct input_key_ent input_keys[] = {
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/* Backspace key. */
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{ KEYC_BSPACE, "\177", 0 },
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/* Function keys. */
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{ KEYC_F1, "\033OP", 0 },
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{ KEYC_F2, "\033OQ", 0 },
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{ KEYC_F3, "\033OR", 0 },
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{ KEYC_F4, "\033OS", 0 },
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{ KEYC_F5, "\033[15~", 0 },
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{ KEYC_F6, "\033[17~", 0 },
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{ KEYC_F7, "\033[18~", 0 },
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{ KEYC_F8, "\033[19~", 0 },
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{ KEYC_F9, "\033[20~", 0 },
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{ KEYC_F10, "\033[21~", 0 },
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{ KEYC_F11, "\033[23~", 0 },
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{ KEYC_F12, "\033[24~", 0 },
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{ KEYC_F13, "\033[25~", 0 },
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{ KEYC_F14, "\033[26~", 0 },
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{ KEYC_F15, "\033[28~", 0 },
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{ KEYC_F16, "\033[29~", 0 },
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{ KEYC_F17, "\033[31~", 0 },
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{ KEYC_F18, "\033[32~", 0 },
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{ KEYC_F19, "\033[33~", 0 },
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{ KEYC_F20, "\033[34~", 0 },
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{ KEYC_IC, "\033[2~", 0 },
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{ KEYC_DC, "\033[3~", 0 },
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{ KEYC_HOME, "\033[1~", 0 },
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{ KEYC_END, "\033[4~", 0 },
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{ KEYC_NPAGE, "\033[6~", 0 },
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{ KEYC_PPAGE, "\033[5~", 0 },
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{ KEYC_BTAB, "\033[Z", 0 },
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/*
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* Arrow keys. Cursor versions must come first. The codes are toggled
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* between CSI and SS3 versions when ctrl is pressed.
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*/
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{ KEYC_UP|KEYC_CTRL, "\033[A", INPUTKEY_CURSOR },
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{ KEYC_DOWN|KEYC_CTRL, "\033[B", INPUTKEY_CURSOR },
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{ KEYC_RIGHT|KEYC_CTRL, "\033[C", INPUTKEY_CURSOR },
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{ KEYC_LEFT|KEYC_CTRL, "\033[D", INPUTKEY_CURSOR },
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{ KEYC_UP, "\033OA", INPUTKEY_CURSOR },
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{ KEYC_DOWN, "\033OB", INPUTKEY_CURSOR },
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{ KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR },
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{ KEYC_LEFT, "\033OD", INPUTKEY_CURSOR },
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{ KEYC_UP|KEYC_CTRL, "\033OA", 0 },
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{ KEYC_DOWN|KEYC_CTRL, "\033OB", 0 },
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{ KEYC_RIGHT|KEYC_CTRL, "\033OC", 0 },
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{ KEYC_LEFT|KEYC_CTRL, "\033OD", 0 },
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{ KEYC_UP, "\033[A", 0 },
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{ KEYC_DOWN, "\033[B", 0 },
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{ KEYC_RIGHT, "\033[C", 0 },
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{ KEYC_LEFT, "\033[D", 0 },
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/* Keypad keys. Keypad versions must come first. */
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{ KEYC_KP_SLASH, "\033Oo", INPUTKEY_KEYPAD },
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{ KEYC_KP_STAR, "\033Oj", INPUTKEY_KEYPAD },
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{ KEYC_KP_MINUS, "\033Om", INPUTKEY_KEYPAD },
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{ KEYC_KP_SEVEN, "\033Ow", INPUTKEY_KEYPAD },
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{ KEYC_KP_EIGHT, "\033Ox", INPUTKEY_KEYPAD },
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{ KEYC_KP_NINE, "\033Oy", INPUTKEY_KEYPAD },
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{ KEYC_KP_PLUS, "\033Ok", INPUTKEY_KEYPAD },
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{ KEYC_KP_FOUR, "\033Ot", INPUTKEY_KEYPAD },
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{ KEYC_KP_FIVE, "\033Ou", INPUTKEY_KEYPAD },
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{ KEYC_KP_SIX, "\033Ov", INPUTKEY_KEYPAD },
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{ KEYC_KP_ONE, "\033Oq", INPUTKEY_KEYPAD },
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{ KEYC_KP_TWO, "\033Or", INPUTKEY_KEYPAD },
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{ KEYC_KP_THREE, "\033Os", INPUTKEY_KEYPAD },
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{ KEYC_KP_ENTER, "\033OM", INPUTKEY_KEYPAD },
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{ KEYC_KP_ZERO, "\033Op", INPUTKEY_KEYPAD },
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{ KEYC_KP_PERIOD, "\033On", INPUTKEY_KEYPAD },
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{ KEYC_KP_SLASH, "/", 0 },
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{ KEYC_KP_STAR, "*", 0 },
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{ KEYC_KP_MINUS, "-", 0 },
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{ KEYC_KP_SEVEN, "7", 0 },
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{ KEYC_KP_EIGHT, "8", 0 },
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{ KEYC_KP_NINE, "9", 0 },
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{ KEYC_KP_PLUS, "+", 0 },
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{ KEYC_KP_FOUR, "4", 0 },
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{ KEYC_KP_FIVE, "5", 0 },
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{ KEYC_KP_SIX, "6", 0 },
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{ KEYC_KP_ONE, "1", 0 },
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{ KEYC_KP_TWO, "2", 0 },
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{ KEYC_KP_THREE, "3", 0 },
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{ KEYC_KP_ENTER, "\n", 0 },
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{ KEYC_KP_ZERO, "0", 0 },
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{ KEYC_KP_PERIOD, ".", 0 },
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};
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/* Translate a key code into an output key sequence. */
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void
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input_key(struct window_pane *wp, int key)
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{
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struct input_key_ent *ike;
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u_int i;
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size_t dlen;
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char *out;
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u_char ch;
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log_debug2("writing key 0x%x", key);
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/*
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* If this is a normal 7-bit key, just send it, with a leading escape
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* if necessary.
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*/
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if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) {
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if (key & KEYC_ESCAPE)
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bufferevent_write(wp->event, "\033", 1);
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ch = key & ~KEYC_ESCAPE;
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bufferevent_write(wp->event, &ch, 1);
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return;
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}
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/*
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* Then try to look this up as an xterm key, if the flag to output them
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* is set.
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*/
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if (options_get_number(&wp->window->options, "xterm-keys")) {
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if ((out = xterm_keys_lookup(key)) != NULL) {
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bufferevent_write(wp->event, out, strlen(out));
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xfree(out);
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return;
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}
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}
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/* Otherwise look the key up in the table. */
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for (i = 0; i < nitems(input_keys); i++) {
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ike = &input_keys[i];
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if ((ike->flags & INPUTKEY_KEYPAD) &&
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!(wp->screen->mode & MODE_KKEYPAD))
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continue;
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if ((ike->flags & INPUTKEY_CURSOR) &&
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!(wp->screen->mode & MODE_KCURSOR))
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continue;
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if ((key & KEYC_ESCAPE) && (ike->key | KEYC_ESCAPE) == key)
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break;
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if (ike->key == key)
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break;
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}
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if (i == nitems(input_keys)) {
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log_debug2("key 0x%x missing", key);
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return;
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}
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dlen = strlen(ike->data);
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log_debug2("found key 0x%x: \"%s\"", key, ike->data);
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/* Prefix a \033 for escape. */
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if (key & KEYC_ESCAPE)
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bufferevent_write(wp->event, "\033", 1);
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bufferevent_write(wp->event, ike->data, dlen);
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}
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/* Translate mouse and output. */
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void
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input_mouse(struct window_pane *wp, struct mouse_event *m)
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{
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char out[8];
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if (wp->screen->mode & MODE_MOUSE) {
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xsnprintf(out, sizeof out,
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"\033[M%c%c%c", m->b + 32, m->x + 33, m->y + 33);
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bufferevent_write(wp->event, out, strlen(out));
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}
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}
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