/* $OpenBSD$ */ /* * Copyright (c) 2007 Nicholas Marriott * * 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 #include #include #include #include "tmux.h" /* * This file is rather misleadingly named, it contains the code which takes a * key code and translates it into something suitable to be sent to the * application running in a pane (similar to input.c does in the other * direction with output). */ void input_key_mouse(struct window_pane *, struct mouse_event *); struct input_key_ent { key_code key; const char *data; int flags; #define INPUTKEY_KEYPAD 0x1 /* keypad key */ #define INPUTKEY_CURSOR 0x2 /* cursor key */ }; const struct input_key_ent input_keys[] = { /* Backspace key. */ { KEYC_BSPACE, "\177", 0 }, /* Function keys. */ { KEYC_F1, "\033OP", 0 }, { KEYC_F2, "\033OQ", 0 }, { KEYC_F3, "\033OR", 0 }, { KEYC_F4, "\033OS", 0 }, { KEYC_F5, "\033[15~", 0 }, { KEYC_F6, "\033[17~", 0 }, { KEYC_F7, "\033[18~", 0 }, { KEYC_F8, "\033[19~", 0 }, { KEYC_F9, "\033[20~", 0 }, { KEYC_F10, "\033[21~", 0 }, { KEYC_F11, "\033[23~", 0 }, { KEYC_F12, "\033[24~", 0 }, { KEYC_F1|KEYC_SHIFT, "\033[25~", 0 }, { KEYC_F2|KEYC_SHIFT, "\033[26~", 0 }, { KEYC_F3|KEYC_SHIFT, "\033[28~", 0 }, { KEYC_F4|KEYC_SHIFT, "\033[29~", 0 }, { KEYC_F5|KEYC_SHIFT, "\033[31~", 0 }, { KEYC_F6|KEYC_SHIFT, "\033[32~", 0 }, { KEYC_F7|KEYC_SHIFT, "\033[33~", 0 }, { KEYC_F8|KEYC_SHIFT, "\033[34~", 0 }, { KEYC_IC, "\033[2~", 0 }, { KEYC_DC, "\033[3~", 0 }, { KEYC_HOME, "\033[1~", 0 }, { KEYC_END, "\033[4~", 0 }, { KEYC_NPAGE, "\033[6~", 0 }, { KEYC_PPAGE, "\033[5~", 0 }, { KEYC_BTAB, "\033[Z", 0 }, /* * Arrow keys. Cursor versions must come first. The codes are toggled * between CSI and SS3 versions when ctrl is pressed. */ { KEYC_UP|KEYC_CTRL, "\033[A", INPUTKEY_CURSOR }, { KEYC_DOWN|KEYC_CTRL, "\033[B", INPUTKEY_CURSOR }, { KEYC_RIGHT|KEYC_CTRL, "\033[C", INPUTKEY_CURSOR }, { KEYC_LEFT|KEYC_CTRL, "\033[D", INPUTKEY_CURSOR }, { KEYC_UP, "\033OA", INPUTKEY_CURSOR }, { KEYC_DOWN, "\033OB", INPUTKEY_CURSOR }, { KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR }, { KEYC_LEFT, "\033OD", INPUTKEY_CURSOR }, { KEYC_UP|KEYC_CTRL, "\033OA", 0 }, { KEYC_DOWN|KEYC_CTRL, "\033OB", 0 }, { KEYC_RIGHT|KEYC_CTRL, "\033OC", 0 }, { KEYC_LEFT|KEYC_CTRL, "\033OD", 0 }, { KEYC_UP, "\033[A", 0 }, { KEYC_DOWN, "\033[B", 0 }, { KEYC_RIGHT, "\033[C", 0 }, { KEYC_LEFT, "\033[D", 0 }, /* Keypad keys. Keypad versions must come first. */ { KEYC_KP_SLASH, "\033Oo", INPUTKEY_KEYPAD }, { KEYC_KP_STAR, "\033Oj", INPUTKEY_KEYPAD }, { KEYC_KP_MINUS, "\033Om", INPUTKEY_KEYPAD }, { KEYC_KP_SEVEN, "\033Ow", INPUTKEY_KEYPAD }, { KEYC_KP_EIGHT, "\033Ox", INPUTKEY_KEYPAD }, { KEYC_KP_NINE, "\033Oy", INPUTKEY_KEYPAD }, { KEYC_KP_PLUS, "\033Ok", INPUTKEY_KEYPAD }, { KEYC_KP_FOUR, "\033Ot", INPUTKEY_KEYPAD }, { KEYC_KP_FIVE, "\033Ou", INPUTKEY_KEYPAD }, { KEYC_KP_SIX, "\033Ov", INPUTKEY_KEYPAD }, { KEYC_KP_ONE, "\033Oq", INPUTKEY_KEYPAD }, { KEYC_KP_TWO, "\033Or", INPUTKEY_KEYPAD }, { KEYC_KP_THREE, "\033Os", INPUTKEY_KEYPAD }, { KEYC_KP_ENTER, "\033OM", INPUTKEY_KEYPAD }, { KEYC_KP_ZERO, "\033Op", INPUTKEY_KEYPAD }, { KEYC_KP_PERIOD, "\033On", INPUTKEY_KEYPAD }, { KEYC_KP_SLASH, "/", 0 }, { KEYC_KP_STAR, "*", 0 }, { KEYC_KP_MINUS, "-", 0 }, { KEYC_KP_SEVEN, "7", 0 }, { KEYC_KP_EIGHT, "8", 0 }, { KEYC_KP_NINE, "9", 0 }, { KEYC_KP_PLUS, "+", 0 }, { KEYC_KP_FOUR, "4", 0 }, { KEYC_KP_FIVE, "5", 0 }, { KEYC_KP_SIX, "6", 0 }, { KEYC_KP_ONE, "1", 0 }, { KEYC_KP_TWO, "2", 0 }, { KEYC_KP_THREE, "3", 0 }, { KEYC_KP_ENTER, "\n", 0 }, { KEYC_KP_ZERO, "0", 0 }, { KEYC_KP_PERIOD, ".", 0 }, }; /* Translate a key code into an output key sequence. */ void input_key(struct window_pane *wp, key_code key, struct mouse_event *m) { const struct input_key_ent *ike; u_int i; size_t dlen; char *out; key_code justkey; struct utf8_data utf8data; log_debug("writing key 0x%llx (%s) to %%%u", key, key_string_lookup_key(key), wp->id); /* If this is a mouse key, pass off to mouse function. */ if (KEYC_IS_MOUSE(key)) { if (m != NULL && m->wp != -1 && (u_int)m->wp == wp->id) input_key_mouse(wp, m); return; } /* * If this is a normal 7-bit key, just send it, with a leading escape * if necessary. If it is a UTF-8 key, split it and send it. */ justkey = (key & ~KEYC_ESCAPE); if (key != KEYC_NONE && justkey < 0x7f) { if (key & KEYC_ESCAPE) bufferevent_write(wp->event, "\033", 1); utf8data.data[0] = justkey; bufferevent_write(wp->event, &utf8data.data[0], 1); return; } if (key != KEYC_NONE && justkey > 0x7f && justkey < KEYC_BASE) { if (utf8_split(justkey, &utf8data) != 0) return; if (key & KEYC_ESCAPE) bufferevent_write(wp->event, "\033", 1); bufferevent_write(wp->event, utf8data.data, utf8data.size); return; } /* * Then try to look this up as an xterm key, if the flag to output them * is set. */ if (options_get_number(wp->window->options, "xterm-keys")) { if ((out = xterm_keys_lookup(key)) != NULL) { bufferevent_write(wp->event, out, strlen(out)); free(out); return; } } /* Otherwise look the key up in the table. */ 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 ((key & KEYC_ESCAPE) && (ike->key | KEYC_ESCAPE) == key) break; if (ike->key == key) break; } if (i == nitems(input_keys)) { log_debug("key 0x%llx missing", key); return; } dlen = strlen(ike->data); log_debug("found key 0x%llx: \"%s\"", key, ike->data); /* Prefix a \033 for escape. */ if (key & KEYC_ESCAPE) bufferevent_write(wp->event, "\033", 1); bufferevent_write(wp->event, ike->data, dlen); } /* Translate mouse and output. */ void input_key_mouse(struct window_pane *wp, struct mouse_event *m) { char buf[40]; size_t len; u_int x, y; if ((wp->screen->mode & ALL_MOUSE_MODES) == 0) return; if (!window_pane_visible(wp)) return; if (cmd_mouse_at(wp, m, &x, &y, 0) != 0) return; /* If this pane is not in button mode, discard motion events. */ if (!(wp->screen->mode & MODE_MOUSE_BUTTON) && (m->b & MOUSE_MASK_DRAG)) return; /* * Use the SGR (1006) extension only if the application requested it * and the underlying terminal also sent the event in this format (this * is because an old style mouse release event cannot be converted into * the new SGR format, since the released button is unknown). Otherwise * pretend that tmux doesn't speak this extension, and fall back to the * UTF-8 (1005) extension if the application requested, or to the * legacy format. */ if (m->sgr_type != ' ' && (wp->screen->mode & MODE_MOUSE_SGR)) { len = xsnprintf(buf, sizeof buf, "\033[<%u;%u;%u%c", m->sgr_b, x + 1, y + 1, m->sgr_type); } else if (wp->screen->mode & MODE_MOUSE_UTF8) { len = xsnprintf(buf, sizeof buf, "\033[M"); len += utf8_split2(m->b + 32, &buf[len]); len += utf8_split2(x + 33, &buf[len]); len += utf8_split2(y + 33, &buf[len]); } else { if (m->b > 223) return; len = xsnprintf(buf, sizeof buf, "\033[M"); buf[len++] = m->b + 32; buf[len++] = x + 33; buf[len++] = y + 33; } log_debug("writing mouse %.*s to %%%u", (int)len, buf, wp->id); bufferevent_write(wp->event, buf, len); }