mirror of
https://github.com/tmux/tmux.git
synced 2025-11-04 09:44:18 +00:00
d9deb4b530
them in as raw escape sequences rather than fiddling with the values from terminfo, put them /after/ the terminfo values so the latter take precedence.
588 lines
19 KiB
C
588 lines
19 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 <sys/time.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "tmux.h"
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/*
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* Handle keys input from the outside terminal. tty_keys[] is a base table of
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* supported keys which are looked up in terminfo(5) and translated into a
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* ternary tree (a binary tree of binary trees).
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*/
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void tty_keys_add1(struct tty_key **, const char *, int);
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void tty_keys_add(struct tty *, const char *, int);
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void tty_keys_free1(struct tty_key *);
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struct tty_key *tty_keys_find1(
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struct tty_key *, const char *, size_t, size_t *);
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struct tty_key *tty_keys_find(struct tty *, const char *, size_t, size_t *);
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void tty_keys_callback(int, short, void *);
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int tty_keys_mouse(
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const char *, size_t, size_t *, struct mouse_event *);
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struct tty_key_ent {
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enum tty_code_code code;
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const char *string;
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int key;
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int flags;
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#define TTYKEY_RAW 0x1
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};
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/*
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* Default key tables. Those flagged with TTYKEY_RAW are inserted directly,
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* otherwise they are looked up in terminfo(5).
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*/
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struct tty_key_ent tty_keys[] = {
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/* Function keys. */
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{ TTYC_KF1, NULL, KEYC_F1, 0 },
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{ TTYC_KF2, NULL, KEYC_F2, 0 },
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{ TTYC_KF3, NULL, KEYC_F3, 0 },
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{ TTYC_KF4, NULL, KEYC_F4, 0 },
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{ TTYC_KF5, NULL, KEYC_F5, 0 },
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{ TTYC_KF6, NULL, KEYC_F6, 0 },
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{ TTYC_KF7, NULL, KEYC_F7, 0 },
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{ TTYC_KF8, NULL, KEYC_F8, 0 },
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{ TTYC_KF9, NULL, KEYC_F9, 0 },
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{ TTYC_KF10, NULL, KEYC_F10, 0 },
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{ TTYC_KF11, NULL, KEYC_F11, 0 },
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{ TTYC_KF12, NULL, KEYC_F12, 0 },
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{ TTYC_KF13, NULL, KEYC_F13, 0 },
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{ TTYC_KF14, NULL, KEYC_F14, 0 },
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{ TTYC_KF15, NULL, KEYC_F15, 0 },
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{ TTYC_KF16, NULL, KEYC_F16, 0 },
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{ TTYC_KF17, NULL, KEYC_F17, 0 },
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{ TTYC_KF18, NULL, KEYC_F18, 0 },
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{ TTYC_KF19, NULL, KEYC_F19, 0 },
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{ TTYC_KF20, NULL, KEYC_F20, 0 },
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{ TTYC_KICH1, NULL, KEYC_IC, 0 },
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{ TTYC_KDCH1, NULL, KEYC_DC, 0 },
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{ TTYC_KHOME, NULL, KEYC_HOME, 0 },
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{ TTYC_KEND, NULL, KEYC_END, 0 },
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{ TTYC_KNP, NULL, KEYC_NPAGE, 0 },
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{ TTYC_KPP, NULL, KEYC_PPAGE, 0 },
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{ TTYC_KCBT, NULL, KEYC_BTAB, 0 },
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/* Arrow keys. */
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{ 0, "\033OA", KEYC_UP, TTYKEY_RAW },
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{ 0, "\033OB", KEYC_DOWN, TTYKEY_RAW },
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{ 0, "\033OC", KEYC_RIGHT, TTYKEY_RAW },
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{ 0, "\033OD", KEYC_LEFT, TTYKEY_RAW },
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{ 0, "\033[A", KEYC_UP, TTYKEY_RAW },
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{ 0, "\033[B", KEYC_DOWN, TTYKEY_RAW },
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{ 0, "\033[C", KEYC_RIGHT, TTYKEY_RAW },
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{ 0, "\033[D", KEYC_LEFT, TTYKEY_RAW },
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{ TTYC_KCUU1, NULL, KEYC_UP, 0 },
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{ TTYC_KCUD1, NULL, KEYC_DOWN, 0 },
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{ TTYC_KCUB1, NULL, KEYC_LEFT, 0 },
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{ TTYC_KCUF1, NULL, KEYC_RIGHT, 0 },
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/*
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* Numeric keypad. Just use the vt100 escape sequences here and always
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* put the terminal into keypad_xmit mode. Translation of numbers
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* mode/applications mode is done in input-keys.c.
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*/
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{ 0, "\033Oo", KEYC_KP_SLASH, TTYKEY_RAW },
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{ 0, "\033Oj", KEYC_KP_STAR, TTYKEY_RAW },
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{ 0, "\033Om", KEYC_KP_MINUS, TTYKEY_RAW },
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{ 0, "\033Ow", KEYC_KP_SEVEN, TTYKEY_RAW },
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{ 0, "\033Ox", KEYC_KP_EIGHT, TTYKEY_RAW },
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{ 0, "\033Oy", KEYC_KP_NINE, TTYKEY_RAW },
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{ 0, "\033Ok", KEYC_KP_PLUS, TTYKEY_RAW },
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{ 0, "\033Ot", KEYC_KP_FOUR, TTYKEY_RAW },
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{ 0, "\033Ou", KEYC_KP_FIVE, TTYKEY_RAW },
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{ 0, "\033Ov", KEYC_KP_SIX, TTYKEY_RAW },
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{ 0, "\033Oq", KEYC_KP_ONE, TTYKEY_RAW },
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{ 0, "\033Or", KEYC_KP_TWO, TTYKEY_RAW },
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{ 0, "\033Os", KEYC_KP_THREE, TTYKEY_RAW },
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{ 0, "\033OM", KEYC_KP_ENTER, TTYKEY_RAW },
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{ 0, "\033Op", KEYC_KP_ZERO, TTYKEY_RAW },
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{ 0, "\033On", KEYC_KP_PERIOD, TTYKEY_RAW },
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/* Key and modifier capabilities. */
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{ TTYC_KDC2, NULL, KEYC_DC|KEYC_SHIFT, 0 },
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{ TTYC_KDC3, NULL, KEYC_DC|KEYC_ESCAPE, 0 },
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{ TTYC_KDC4, NULL, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KDC5, NULL, KEYC_DC|KEYC_CTRL, 0 },
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{ TTYC_KDC6, NULL, KEYC_DC|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KDC7, NULL, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KDN2, NULL, KEYC_DOWN|KEYC_SHIFT, 0 },
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{ TTYC_KDN3, NULL, KEYC_DOWN|KEYC_ESCAPE, 0 },
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{ TTYC_KDN4, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KDN5, NULL, KEYC_DOWN|KEYC_CTRL, 0 },
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{ TTYC_KDN6, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KDN7, NULL, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KEND2, NULL, KEYC_END|KEYC_SHIFT, 0 },
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{ TTYC_KEND3, NULL, KEYC_END|KEYC_ESCAPE, 0 },
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{ TTYC_KEND4, NULL, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KEND5, NULL, KEYC_END|KEYC_CTRL, 0 },
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{ TTYC_KEND6, NULL, KEYC_END|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KEND7, NULL, KEYC_END|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KHOM2, NULL, KEYC_HOME|KEYC_SHIFT, 0 },
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{ TTYC_KHOM3, NULL, KEYC_HOME|KEYC_ESCAPE, 0 },
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{ TTYC_KHOM4, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KHOM5, NULL, KEYC_HOME|KEYC_CTRL, 0 },
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{ TTYC_KHOM6, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KHOM7, NULL, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KIC2, NULL, KEYC_IC|KEYC_SHIFT, 0 },
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{ TTYC_KIC3, NULL, KEYC_IC|KEYC_ESCAPE, 0 },
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{ TTYC_KIC4, NULL, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KIC5, NULL, KEYC_IC|KEYC_CTRL, 0 },
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{ TTYC_KIC6, NULL, KEYC_IC|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KIC7, NULL, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KLFT2, NULL, KEYC_LEFT|KEYC_SHIFT, 0 },
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{ TTYC_KLFT3, NULL, KEYC_LEFT|KEYC_ESCAPE, 0 },
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{ TTYC_KLFT4, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KLFT5, NULL, KEYC_LEFT|KEYC_CTRL, 0 },
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{ TTYC_KLFT6, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KLFT7, NULL, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KNXT2, NULL, KEYC_NPAGE|KEYC_SHIFT, 0 },
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{ TTYC_KNXT3, NULL, KEYC_NPAGE|KEYC_ESCAPE, 0 },
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{ TTYC_KNXT4, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KNXT5, NULL, KEYC_NPAGE|KEYC_CTRL, 0 },
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{ TTYC_KNXT6, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KNXT7, NULL, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KPRV2, NULL, KEYC_PPAGE|KEYC_SHIFT, 0 },
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{ TTYC_KPRV3, NULL, KEYC_PPAGE|KEYC_ESCAPE, 0 },
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{ TTYC_KPRV4, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KPRV5, NULL, KEYC_PPAGE|KEYC_CTRL, 0 },
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{ TTYC_KPRV6, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KPRV7, NULL, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KRIT2, NULL, KEYC_RIGHT|KEYC_SHIFT, 0 },
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{ TTYC_KRIT3, NULL, KEYC_RIGHT|KEYC_ESCAPE, 0 },
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{ TTYC_KRIT4, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KRIT5, NULL, KEYC_RIGHT|KEYC_CTRL, 0 },
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{ TTYC_KRIT6, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KRIT7, NULL, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL, 0 },
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{ TTYC_KUP2, NULL, KEYC_UP|KEYC_SHIFT, 0 },
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{ TTYC_KUP3, NULL, KEYC_UP|KEYC_ESCAPE, 0 },
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{ TTYC_KUP4, NULL, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE, 0 },
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{ TTYC_KUP5, NULL, KEYC_UP|KEYC_CTRL, 0 },
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{ TTYC_KUP6, NULL, KEYC_UP|KEYC_SHIFT|KEYC_CTRL, 0 },
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{ TTYC_KUP7, NULL, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL, 0 },
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/* rxvt-style arrow + modifier keys. */
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{ 0, "\033Oa", KEYC_UP|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033Ob", KEYC_DOWN|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033Oc", KEYC_RIGHT|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033Od", KEYC_LEFT|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[a", KEYC_UP|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[b", KEYC_DOWN|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[c", KEYC_RIGHT|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[d", KEYC_LEFT|KEYC_SHIFT, TTYKEY_RAW },
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/*
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* rxvt-style function + modifier keys:
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* Ctrl = ^, Shift = $, Ctrl+Shift = @
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*/
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{ 0, "\033[11^", KEYC_F1|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[12^", KEYC_F2|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[13^", KEYC_F3|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[14^", KEYC_F4|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[15^", KEYC_F5|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[17^", KEYC_F6|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[18^", KEYC_F7|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[19^", KEYC_F8|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[20^", KEYC_F9|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[21^", KEYC_F10|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[23^", KEYC_F11|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[24^", KEYC_F12|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[25^", KEYC_F13|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[26^", KEYC_F14|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[28^", KEYC_F15|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[29^", KEYC_F16|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[31^", KEYC_F17|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[32^", KEYC_F18|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[33^", KEYC_F19|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[34^", KEYC_F20|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[2^", KEYC_IC|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[3^", KEYC_DC|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[7^", KEYC_HOME|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[8^", KEYC_END|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[6^", KEYC_NPAGE|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[5^", KEYC_PPAGE|KEYC_CTRL, TTYKEY_RAW },
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{ 0, "\033[11$", KEYC_F1|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[12$", KEYC_F2|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[13$", KEYC_F3|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[14$", KEYC_F4|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[15$", KEYC_F5|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[17$", KEYC_F6|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[18$", KEYC_F7|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[19$", KEYC_F8|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[20$", KEYC_F9|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[21$", KEYC_F10|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[23$", KEYC_F11|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[24$", KEYC_F12|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[25$", KEYC_F13|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[26$", KEYC_F14|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[28$", KEYC_F15|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[29$", KEYC_F16|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[31$", KEYC_F17|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[32$", KEYC_F18|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[33$", KEYC_F19|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[34$", KEYC_F20|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[2$", KEYC_IC|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[3$", KEYC_DC|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[7$", KEYC_HOME|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[8$", KEYC_END|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[6$", KEYC_NPAGE|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[5$", KEYC_PPAGE|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[25@", KEYC_F13|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[26@", KEYC_F14|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[28@", KEYC_F15|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[29@", KEYC_F16|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[31@", KEYC_F17|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[32@", KEYC_F18|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[33@", KEYC_F19|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[34@", KEYC_F20|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
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{ 0, "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
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{ 0, "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
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};
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void
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tty_keys_add(struct tty *tty, const char *s, int key)
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{
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size_t size;
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if (tty_keys_find(tty, s, strlen(s), &size) == NULL) {
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log_debug("new key 0x%x: %s", key, s);
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tty_keys_add1(&tty->key_tree, s, key);
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}
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}
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/* Add next node to the tree. */
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void
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tty_keys_add1(struct tty_key **tkp, const char *s, int key)
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{
|
|
struct tty_key *tk;
|
|
|
|
/* Allocate a tree entry if there isn't one already. */
|
|
tk = *tkp;
|
|
if (tk == NULL) {
|
|
tk = *tkp = xcalloc(1, sizeof *tk);
|
|
tk->ch = *s;
|
|
tk->key = KEYC_NONE;
|
|
}
|
|
|
|
/* Find the next entry. */
|
|
if (*s == tk->ch) {
|
|
/* Move forward in string. */
|
|
s++;
|
|
|
|
/* If this is the end of the string, no more is necessary. */
|
|
if (*s == '\0') {
|
|
tk->key = key;
|
|
return;
|
|
}
|
|
|
|
/* Use the child tree for the next character. */
|
|
tkp = &tk->next;
|
|
} else {
|
|
if (*s < tk->ch)
|
|
tkp = &tk->left;
|
|
else if (*s > tk->ch)
|
|
tkp = &tk->right;
|
|
}
|
|
|
|
/* And recurse to add it. */
|
|
tty_keys_add1(tkp, s, key);
|
|
}
|
|
|
|
/* Initialise a key tree from the table. */
|
|
void
|
|
tty_keys_init(struct tty *tty)
|
|
{
|
|
struct tty_key_ent *tke;
|
|
u_int i;
|
|
const char *s;
|
|
|
|
tty->key_tree = NULL;
|
|
for (i = 0; i < nitems(tty_keys); i++) {
|
|
tke = &tty_keys[i];
|
|
|
|
if (tke->flags & TTYKEY_RAW)
|
|
s = tke->string;
|
|
else {
|
|
if (!tty_term_has(tty->term, tke->code))
|
|
continue;
|
|
s = tty_term_string(tty->term, tke->code);
|
|
}
|
|
if (s[0] != '\033' || s[1] == '\0')
|
|
continue;
|
|
|
|
tty_keys_add(tty, s + 1, tke->key);
|
|
}
|
|
}
|
|
|
|
/* Free the entire key tree. */
|
|
void
|
|
tty_keys_free(struct tty *tty)
|
|
{
|
|
tty_keys_free1(tty->key_tree);
|
|
}
|
|
|
|
/* Free a single key. */
|
|
void
|
|
tty_keys_free1(struct tty_key *tk)
|
|
{
|
|
if (tk->next != NULL)
|
|
tty_keys_free1(tk->next);
|
|
if (tk->left != NULL)
|
|
tty_keys_free1(tk->left);
|
|
if (tk->right != NULL)
|
|
tty_keys_free1(tk->right);
|
|
xfree(tk);
|
|
|
|
}
|
|
|
|
/* Lookup a key in the tree. */
|
|
struct tty_key *
|
|
tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
|
|
{
|
|
*size = 0;
|
|
return (tty_keys_find1(tty->key_tree, buf, len, size));
|
|
}
|
|
|
|
/* Find the next node. */
|
|
struct tty_key *
|
|
tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
|
|
{
|
|
/* If the node is NULL, this is the end of the tree. No match. */
|
|
if (tk == NULL)
|
|
return (NULL);
|
|
|
|
/* Pick the next in the sequence. */
|
|
if (tk->ch == *buf) {
|
|
/* Move forward in the string. */
|
|
buf++; len--;
|
|
(*size)++;
|
|
|
|
/* At the end of the string, return the current node. */
|
|
if (len == 0)
|
|
return (tk);
|
|
|
|
/* Move into the next tree for the following character. */
|
|
tk = tk->next;
|
|
} else {
|
|
if (*buf < tk->ch)
|
|
tk = tk->left;
|
|
else if (*buf > tk->ch)
|
|
tk = tk->right;
|
|
}
|
|
|
|
/* Move to the next in the tree. */
|
|
return (tty_keys_find1(tk, buf, len, size));
|
|
}
|
|
|
|
/*
|
|
* Process at least one key in the buffer and invoke tty->key_callback. Return
|
|
* 1 if there are no further keys, or 0 if there is more in the buffer.
|
|
*/
|
|
int
|
|
tty_keys_next(struct tty *tty)
|
|
{
|
|
struct tty_key *tk;
|
|
struct timeval tv;
|
|
struct mouse_event mouse;
|
|
const char *buf;
|
|
size_t len, size;
|
|
cc_t bspace;
|
|
int key;
|
|
|
|
buf = EVBUFFER_DATA(tty->event->input);
|
|
len = EVBUFFER_LENGTH(tty->event->input);
|
|
if (len == 0)
|
|
return (0);
|
|
log_debug("keys are %zu (%.*s)", len, (int) len, buf);
|
|
|
|
/* If a normal key, return it. */
|
|
if (*buf != '\033') {
|
|
key = (u_char) *buf;
|
|
evbuffer_drain(tty->event->input, 1);
|
|
|
|
/*
|
|
* Check for backspace key using termios VERASE - the terminfo
|
|
* kbs entry is extremely unreliable, so cannot be safely
|
|
* used. termios should have a better idea.
|
|
*/
|
|
bspace = tty->tio.c_cc[VERASE];
|
|
if (bspace != _POSIX_VDISABLE && key == bspace)
|
|
key = KEYC_BSPACE;
|
|
goto handle_key;
|
|
}
|
|
|
|
/* Look for matching key string and return if found. */
|
|
tk = tty_keys_find(tty, buf + 1, len - 1, &size);
|
|
if (tk != NULL) {
|
|
key = tk->key;
|
|
goto found_key;
|
|
}
|
|
|
|
/* Not found. Is this a mouse key press? */
|
|
key = tty_keys_mouse(buf, len, &size, &mouse);
|
|
if (key != KEYC_NONE) {
|
|
evbuffer_drain(tty->event->input, size);
|
|
goto handle_key;
|
|
}
|
|
|
|
/* Not found. Try to parse a key with an xterm-style modifier. */
|
|
key = xterm_keys_find(buf, len, &size);
|
|
if (key != KEYC_NONE) {
|
|
evbuffer_drain(tty->event->input, size);
|
|
goto handle_key;
|
|
}
|
|
|
|
/* Skip the escape. */
|
|
buf++;
|
|
len--;
|
|
|
|
/* Is there a normal key following? */
|
|
if (len != 0 && *buf != '\033') {
|
|
key = *buf | KEYC_ESCAPE;
|
|
evbuffer_drain(tty->event->input, 2);
|
|
goto handle_key;
|
|
}
|
|
|
|
/* Or a key string? */
|
|
if (len > 1) {
|
|
tk = tty_keys_find(tty, buf + 1, len - 1, &size);
|
|
if (tk != NULL) {
|
|
key = tk->key | KEYC_ESCAPE;
|
|
size++; /* include escape */
|
|
goto found_key;
|
|
}
|
|
}
|
|
|
|
/* Escape and then nothing useful - fall through. */
|
|
|
|
partial_key:
|
|
/*
|
|
* Escape but no key string. If have already seen an escape, then the
|
|
* timer must have expired, so give up waiting and send the escape.
|
|
*/
|
|
if (tty->flags & TTY_ESCAPE) {
|
|
evbuffer_drain(tty->event->input, 1);
|
|
key = '\033';
|
|
goto handle_key;
|
|
}
|
|
|
|
/* Fall through to start the timer. */
|
|
|
|
start_timer:
|
|
/* Start the timer and wait for expiry or more data. */
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = ESCAPE_PERIOD * 1000L;
|
|
|
|
evtimer_del(&tty->key_timer);
|
|
evtimer_set(&tty->key_timer, tty_keys_callback, tty);
|
|
evtimer_add(&tty->key_timer, &tv);
|
|
|
|
tty->flags |= TTY_ESCAPE;
|
|
return (0);
|
|
|
|
found_key:
|
|
if (tk->next != NULL) {
|
|
/* Partial key. Start the timer if not already expired. */
|
|
if (!(tty->flags & TTY_ESCAPE))
|
|
goto start_timer;
|
|
|
|
/* Otherwise, if no key, send the escape alone. */
|
|
if (tk->key == KEYC_NONE)
|
|
goto partial_key;
|
|
|
|
/* Or fall through to send the partial key found. */
|
|
}
|
|
evbuffer_drain(tty->event->input, size + 1);
|
|
|
|
goto handle_key;
|
|
|
|
handle_key:
|
|
evtimer_del(&tty->key_timer);
|
|
|
|
tty->key_callback(key, &mouse, tty->key_data);
|
|
|
|
tty->flags &= ~TTY_ESCAPE;
|
|
return (1);
|
|
}
|
|
|
|
/* Key timer callback. */
|
|
void
|
|
tty_keys_callback(unused int fd, unused short events, void *data)
|
|
{
|
|
struct tty *tty = data;
|
|
|
|
if (!(tty->flags & TTY_ESCAPE))
|
|
return;
|
|
|
|
while (tty_keys_next(tty))
|
|
;
|
|
}
|
|
|
|
/* Handle mouse key input. */
|
|
int
|
|
tty_keys_mouse(const char *buf, size_t len, size_t *size, struct mouse_event *m)
|
|
{
|
|
/*
|
|
* Mouse sequences are \033[M followed by three characters indicating
|
|
* buttons, X and Y, all based at 32 with 1,1 top-left.
|
|
*/
|
|
|
|
if (len != 6 || memcmp(buf, "\033[M", 3) != 0)
|
|
return (KEYC_NONE);
|
|
*size = 6;
|
|
|
|
log_debug("mouse input is: %.*s", (int) len, buf);
|
|
|
|
m->b = buf[3];
|
|
m->x = buf[4];
|
|
m->y = buf[5];
|
|
if (m->b < 32 || m->x < 33 || m->y < 33)
|
|
return (KEYC_NONE);
|
|
m->b -= 32;
|
|
m->x -= 33;
|
|
m->y -= 33;
|
|
return (KEYC_MOUSE);
|
|
}
|