mirror of
				https://github.com/tmux/tmux.git
				synced 2025-10-26 12:27:15 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			213 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			213 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* $OpenBSD$ */
 | |
| 
 | |
| /*
 | |
|  * 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"
 | |
| 
 | |
| /*
 | |
|  * 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 */
 | |
| };
 | |
| 
 | |
| 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)
 | |
| {
 | |
| 	struct input_key_ent   *ike;
 | |
| 	u_int			i;
 | |
| 	size_t			dlen;
 | |
| 	char		       *out;
 | |
| 	u_char			ch;
 | |
| 
 | |
| 	log_debug2("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));
 | |
| 			xfree(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_debug2("key 0x%x missing", key);
 | |
| 		return;
 | |
| 	}
 | |
| 	dlen = strlen(ike->data);
 | |
| 	log_debug2("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 mouse_event *m)
 | |
| {
 | |
| 	char	out[8];
 | |
| 
 | |
| 	if (wp->screen->mode & MODE_MOUSE) {
 | |
| 		xsnprintf(out, sizeof out,
 | |
| 		    "\033[M%c%c%c", m->b + 32, m->x + 33, m->y + 33);
 | |
| 		bufferevent_write(wp->event, out, strlen(out));
 | |
| 	}
 | |
| }
 | 
