| /* $Id$ */ |
| |
| /* |
| * 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 <stdlib.h> |
| #include <string.h> |
| |
| #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). |
| */ |
| |
| struct input_key_ent { |
| int 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_F13, "\033[25~", 0 }, |
| { KEYC_F14, "\033[26~", 0 }, |
| { KEYC_F15, "\033[28~", 0 }, |
| { KEYC_F16, "\033[29~", 0 }, |
| { KEYC_F17, "\033[31~", 0 }, |
| { KEYC_F18, "\033[32~", 0 }, |
| { KEYC_F19, "\033[33~", 0 }, |
| { KEYC_F20, "\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, int key) |
| { |
| const struct input_key_ent *ike; |
| u_int i; |
| size_t dlen; |
| char *out; |
| u_char ch; |
| |
| log_debug("writing key 0x%x", key); |
| |
| /* |
| * If this is a normal 7-bit key, just send it, with a leading escape |
| * if necessary. |
| */ |
| if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) { |
| if (key & KEYC_ESCAPE) |
| bufferevent_write(wp->event, "\033", 1); |
| ch = key & ~KEYC_ESCAPE; |
| bufferevent_write(wp->event, &ch, 1); |
| 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%x missing", key); |
| return; |
| } |
| dlen = strlen(ike->data); |
| log_debug("found key 0x%x: \"%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_mouse(struct window_pane *wp, struct session *s, struct mouse_event *m) |
| { |
| char buf[40]; |
| size_t len; |
| struct paste_buffer *pb; |
| u_int i; |
| |
| /* |
| * If the alternate screen is active and hasn't enabled the mouse, send |
| * up and down key presses for the mouse wheel. |
| */ |
| if (wp->saved_grid != NULL && !(wp->screen->mode & ALL_MOUSE_MODES)) { |
| for (i = 0; i < m->scroll; i++) { |
| if (m->wheel == MOUSE_WHEEL_UP) |
| input_key(wp, KEYC_UP); |
| else |
| input_key(wp, KEYC_DOWN); |
| } |
| return; |
| } |
| |
| if (wp->screen->mode & ALL_MOUSE_MODES) { |
| /* |
| * 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 && (wp->screen->mode & MODE_MOUSE_SGR)) { |
| len = xsnprintf(buf, sizeof buf, "\033[<%d;%d;%d%c", |
| m->sgr_xb, m->x + 1, m->y + 1, |
| m->sgr_rel ? 'm' : 'M'); |
| } else if (wp->screen->mode & MODE_MOUSE_UTF8) { |
| len = xsnprintf(buf, sizeof buf, "\033[M"); |
| len += utf8_split2(m->xb + 32, &buf[len]); |
| len += utf8_split2(m->x + 33, &buf[len]); |
| len += utf8_split2(m->y + 33, &buf[len]); |
| } else { |
| if (m->xb > 223) |
| return; |
| len = xsnprintf(buf, sizeof buf, "\033[M"); |
| buf[len++] = m->xb + 32; |
| buf[len++] = m->x + 33; |
| buf[len++] = m->y + 33; |
| } |
| bufferevent_write(wp->event, buf, len); |
| return; |
| } |
| |
| if (m->button == 1 && (m->event & MOUSE_EVENT_CLICK) && |
| options_get_number(&wp->window->options, "mode-mouse") == 1) { |
| pb = paste_get_top(); |
| if (pb != NULL) { |
| paste_send_pane(pb, wp, "\r", |
| wp->screen->mode & MODE_BRACKETPASTE); |
| } |
| } else if (m->button != 1 && |
| options_get_number(&wp->window->options, "mode-mouse") == 1) { |
| if (window_pane_set_mode(wp, &window_copy_mode) == 0) { |
| window_copy_init_from_pane(wp); |
| if (wp->mode->mouse != NULL) |
| wp->mode->mouse(wp, s, m); |
| } |
| } |
| } |