input-keys.c - tmux - Rivoreo Source Code Repositories

 /* $Id: input-keys.c,v 1.18 2009-01-09 16:45:58 nicm Exp $ */

 /*
  * 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"

 struct input_key_ent {
 	int		 key;
 	const char	*data;

 	int		 flags;
 #define INPUTKEY_KEYPAD 0x1	/* keypad key */
 #define INPUTKEY_CURSOR 0x2	/* cursor key */
 #define INPUTKEY_MODIFIER 0x4	/* may be adjusted by modifiers */
 #define INPUTKEY_XTERM 0x4	/* may have xterm argument appended */
 };

 struct input_key_ent input_keys[] = {
 	/* Function keys. */
 	{ KEYC_F1,     "\033OP", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F2,     "\033OQ", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F3,     "\033OR", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F4,     "\033OS", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F5,     "\033[15~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F6,     "\033[17~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F7,     "\033[18~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F8,     "\033[19~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F9,     "\033[20~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F10,    "\033[21~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F11,    "\033[23~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_F12,    "\033[24~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_IC,     "\033[2~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_DC,     "\033[3~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_HOME,   "\033[1~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_END,    "\033[4~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_NPAGE,  "\033[6~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
 	{ KEYC_PPAGE,  "\033[5~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },

 	/* Arrow keys. Cursor versions must come first. */
 	{ KEYC_UP,     "\033OA", INPUTKEY_MODIFIER|INPUTKEY_CURSOR },
 	{ KEYC_DOWN,   "\033OB", INPUTKEY_MODIFIER|INPUTKEY_CURSOR },
 	{ KEYC_LEFT,   "\033OD", INPUTKEY_MODIFIER|INPUTKEY_CURSOR },
 	{ KEYC_RIGHT,  "\033OC", INPUTKEY_MODIFIER|INPUTKEY_CURSOR },
 	{ KEYC_UP,     "\033[A", INPUTKEY_MODIFIER },
 	{ KEYC_DOWN,   "\033[B", INPUTKEY_MODIFIER },
 	{ KEYC_LEFT,   "\033[D", INPUTKEY_MODIFIER },
 	{ KEYC_RIGHT,  "\033[C", INPUTKEY_MODIFIER },

 	/* Keypad keys. Keypad versions must come first. */
 	{ KEYC_KP0_1,  "/", INPUTKEY_KEYPAD },
 	{ KEYC_KP0_2,  "*", INPUTKEY_KEYPAD },
 	{ KEYC_KP0_3,  "-", INPUTKEY_KEYPAD },
 	{ KEYC_KP1_0,  "7", INPUTKEY_KEYPAD },
 	{ KEYC_KP1_1,  "8", INPUTKEY_KEYPAD },
 	{ KEYC_KP1_2,  "9", INPUTKEY_KEYPAD },
 	{ KEYC_KP1_3,  "+", INPUTKEY_KEYPAD },
 	{ KEYC_KP2_0,  "4", INPUTKEY_KEYPAD },
 	{ KEYC_KP2_1,  "5", INPUTKEY_KEYPAD },
 	{ KEYC_KP2_2,  "6", INPUTKEY_KEYPAD },
 	{ KEYC_KP3_0,  "1", INPUTKEY_KEYPAD },
 	{ KEYC_KP3_1,  "2", INPUTKEY_KEYPAD },
 	{ KEYC_KP3_2,  "3", INPUTKEY_KEYPAD },
 	{ KEYC_KP3_3,  "\n", INPUTKEY_KEYPAD }, /* this can be CRLF too? */
 	{ KEYC_KP4_0,  "0", INPUTKEY_KEYPAD },
 	{ KEYC_KP4_2,  ".", INPUTKEY_KEYPAD },
 	{ KEYC_KP0_1,  "\033Oo", 0 },
 	{ KEYC_KP0_2,  "\033Oj", 0 },
 	{ KEYC_KP0_3,  "\033Om", 0 },
 	{ KEYC_KP1_0,  "\033Ow", 0 },
 	{ KEYC_KP1_1,  "\033Ox", 0 },
 	{ KEYC_KP1_2,  "\033Oy", 0 },
 	{ KEYC_KP1_3,  "\033Ok", 0 },
 	{ KEYC_KP2_0,  "\033Ot", 0 },
 	{ KEYC_KP2_1,  "\033Ou", 0 },
 	{ KEYC_KP2_2,  "\033Ov", 0 },
 	{ KEYC_KP3_0,  "\033Oq", 0 },
 	{ KEYC_KP3_1,  "\033Or", 0 },
 	{ KEYC_KP3_2,  "\033Os", 0 },
 	{ KEYC_KP3_3,  "\033OM", 0 },
 	{ KEYC_KP4_0,  "\033Op", 0 },
 	{ KEYC_KP4_2,  "\033On", 0 },
 };

 /* Translate a key code from client into an output key sequence. */
 void
 input_key(struct window *w, int key)
 {
 	struct input_key_ent   *ike;
 	u_int			i;
 	char			ch;
 	size_t			dlen;

 	log_debug2("writing key 0x%x", key);

 	if (key != KEYC_NONE && KEYC_REMOVEESC(key) < KEYC_OFFSET) {
 		if (KEYC_ISESC(key))
 			buffer_write8(w->out, '\033');
 		buffer_write8(w->out, (uint8_t) KEYC_REMOVEESC(key));
 		return;
 	}

 	for (i = 0; i < nitems(input_keys); i++) {
 		ike = &input_keys[i];

 		if ((ike->flags & INPUTKEY_KEYPAD) &&
 		    !(w->screen->mode & MODE_KKEYPAD))
 			continue;
 		if ((ike->flags & INPUTKEY_CURSOR) &&
 		    !(w->screen->mode & MODE_KCURSOR))
 			continue;

 		if (ike->flags & INPUTKEY_MODIFIER) {
 			if (KEYC_ISCTL(key) && KEYC_ADDCTL(ike->key) == key)
 				break;
 			if (KEYC_ISESC(key) && KEYC_ADDESC(ike->key) == key)
 				break;
 			if (KEYC_ISSFT(key) && KEYC_ADDSFT(ike->key) == 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);

 	if (ike->flags & INPUTKEY_XTERM &&
 	    options_get_number(&w->options, "xterm-keys")) {
 		/* In xterm keys mode, append modifier argument. */
 		ch = '\0';
 		if (KEYC_ISSFT(key) && KEYC_ISESC(key) && KEYC_ISCTL(key))
 			ch = '8';
 		else if (KEYC_ISESC(key) && KEYC_ISCTL(key))
 			ch = '7';
 		else if (KEYC_ISSFT(key) && KEYC_ISCTL(key))
 			ch = '6';
 		else if (KEYC_ISCTL(key))
 			ch = '5';
 		else if (KEYC_ISSFT(key) && KEYC_ISESC(key))
 			ch = '4';
 		else if (KEYC_ISESC(key))
 			ch = '3';
 		else if (KEYC_ISSFT(key))
 			ch = '2';
 		if (ch != '\0') {
 			log_debug("output argument is: %c", ch);
 			buffer_write(w->out, ike->data, dlen - 1);
 			buffer_write8(w->out, ';');
 			buffer_write8(w->out, ch);
 			buffer_write8(w->out, ike->data[dlen - 1]);
 		} else
 			buffer_write(w->out, ike->data, dlen);
 		return;
 	}
 	if (ike->flags & INPUTKEY_MODIFIER) {
 		/*
 		 * If not in xterm keys or not an xterm key handle escape and
 		 * control (shift not supported).
 		 */
 		if (KEYC_ISESC(key))
 			buffer_write8(w->out, '\033');
 		if (!KEYC_ISCTL(key)) {
 			buffer_write(w->out, ike->data, dlen);
 			return;
 		}
 		buffer_write(w->out, ike->data, dlen - 1);
 		buffer_write8(w->out, ike->data[dlen - 1] ^ 0x20);
 		return;
 	}

 	buffer_write(w->out, ike->data, dlen);
 }
	/* $Id: input-keys.c,v 1.18 2009-01-09 16:45:58 nicm Exp $ */

	/*
	* 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"

	struct input_key_ent {
	int key;
	const char *data;

	int flags;
	#define INPUTKEY_KEYPAD 0x1 /* keypad key */
	#define INPUTKEY_CURSOR 0x2 /* cursor key */
	#define INPUTKEY_MODIFIER 0x4 /* may be adjusted by modifiers */
	#define INPUTKEY_XTERM 0x4 /* may have xterm argument appended */
	};

	struct input_key_ent input_keys[] = {
	/* Function keys. */
	{ KEYC_F1, "\033OP", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F2, "\033OQ", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F3, "\033OR", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F4, "\033OS", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F5, "\033[15~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F6, "\033[17~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F7, "\033[18~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F8, "\033[19~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F9, "\033[20~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F10, "\033[21~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F11, "\033[23~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_F12, "\033[24~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_IC, "\033[2~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_DC, "\033[3~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_HOME, "\033[1~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_END, "\033[4~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_NPAGE, "\033[6~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },
	{ KEYC_PPAGE, "\033[5~", INPUTKEY_MODIFIER\|INPUTKEY_XTERM },

	/* Arrow keys. Cursor versions must come first. */
	{ KEYC_UP, "\033OA", INPUTKEY_MODIFIER\|INPUTKEY_CURSOR },
	{ KEYC_DOWN, "\033OB", INPUTKEY_MODIFIER\|INPUTKEY_CURSOR },
	{ KEYC_LEFT, "\033OD", INPUTKEY_MODIFIER\|INPUTKEY_CURSOR },
	{ KEYC_RIGHT, "\033OC", INPUTKEY_MODIFIER\|INPUTKEY_CURSOR },
	{ KEYC_UP, "\033[A", INPUTKEY_MODIFIER },
	{ KEYC_DOWN, "\033[B", INPUTKEY_MODIFIER },
	{ KEYC_LEFT, "\033[D", INPUTKEY_MODIFIER },
	{ KEYC_RIGHT, "\033[C", INPUTKEY_MODIFIER },

	/* Keypad keys. Keypad versions must come first. */
	{ KEYC_KP0_1, "/", INPUTKEY_KEYPAD },
	{ KEYC_KP0_2, "*", INPUTKEY_KEYPAD },
	{ KEYC_KP0_3, "-", INPUTKEY_KEYPAD },
	{ KEYC_KP1_0, "7", INPUTKEY_KEYPAD },
	{ KEYC_KP1_1, "8", INPUTKEY_KEYPAD },
	{ KEYC_KP1_2, "9", INPUTKEY_KEYPAD },
	{ KEYC_KP1_3, "+", INPUTKEY_KEYPAD },
	{ KEYC_KP2_0, "4", INPUTKEY_KEYPAD },
	{ KEYC_KP2_1, "5", INPUTKEY_KEYPAD },
	{ KEYC_KP2_2, "6", INPUTKEY_KEYPAD },
	{ KEYC_KP3_0, "1", INPUTKEY_KEYPAD },
	{ KEYC_KP3_1, "2", INPUTKEY_KEYPAD },
	{ KEYC_KP3_2, "3", INPUTKEY_KEYPAD },
	{ KEYC_KP3_3, "\n", INPUTKEY_KEYPAD }, /* this can be CRLF too? */
	{ KEYC_KP4_0, "0", INPUTKEY_KEYPAD },
	{ KEYC_KP4_2, ".", INPUTKEY_KEYPAD },
	{ KEYC_KP0_1, "\033Oo", 0 },
	{ KEYC_KP0_2, "\033Oj", 0 },
	{ KEYC_KP0_3, "\033Om", 0 },
	{ KEYC_KP1_0, "\033Ow", 0 },
	{ KEYC_KP1_1, "\033Ox", 0 },
	{ KEYC_KP1_2, "\033Oy", 0 },
	{ KEYC_KP1_3, "\033Ok", 0 },
	{ KEYC_KP2_0, "\033Ot", 0 },
	{ KEYC_KP2_1, "\033Ou", 0 },
	{ KEYC_KP2_2, "\033Ov", 0 },
	{ KEYC_KP3_0, "\033Oq", 0 },
	{ KEYC_KP3_1, "\033Or", 0 },
	{ KEYC_KP3_2, "\033Os", 0 },
	{ KEYC_KP3_3, "\033OM", 0 },
	{ KEYC_KP4_0, "\033Op", 0 },
	{ KEYC_KP4_2, "\033On", 0 },
	};

	/* Translate a key code from client into an output key sequence. */
	void
	input_key(struct window *w, int key)
	{
	struct input_key_ent *ike;
	u_int i;
	char ch;
	size_t dlen;

	log_debug2("writing key 0x%x", key);

	if (key != KEYC_NONE && KEYC_REMOVEESC(key) < KEYC_OFFSET) {
	if (KEYC_ISESC(key))
	buffer_write8(w->out, '\033');
	buffer_write8(w->out, (uint8_t) KEYC_REMOVEESC(key));
	return;
	}

	for (i = 0; i < nitems(input_keys); i++) {
	ike = &input_keys[i];

	if ((ike->flags & INPUTKEY_KEYPAD) &&
	!(w->screen->mode & MODE_KKEYPAD))
	continue;
	if ((ike->flags & INPUTKEY_CURSOR) &&
	!(w->screen->mode & MODE_KCURSOR))
	continue;

	if (ike->flags & INPUTKEY_MODIFIER) {
	if (KEYC_ISCTL(key) && KEYC_ADDCTL(ike->key) == key)
	break;
	if (KEYC_ISESC(key) && KEYC_ADDESC(ike->key) == key)
	break;
	if (KEYC_ISSFT(key) && KEYC_ADDSFT(ike->key) == 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);

	if (ike->flags & INPUTKEY_XTERM &&
	options_get_number(&w->options, "xterm-keys")) {
	/* In xterm keys mode, append modifier argument. */
	ch = '\0';
	if (KEYC_ISSFT(key) && KEYC_ISESC(key) && KEYC_ISCTL(key))
	ch = '8';
	else if (KEYC_ISESC(key) && KEYC_ISCTL(key))
	ch = '7';
	else if (KEYC_ISSFT(key) && KEYC_ISCTL(key))
	ch = '6';
	else if (KEYC_ISCTL(key))
	ch = '5';
	else if (KEYC_ISSFT(key) && KEYC_ISESC(key))
	ch = '4';
	else if (KEYC_ISESC(key))
	ch = '3';
	else if (KEYC_ISSFT(key))
	ch = '2';
	if (ch != '\0') {
	log_debug("output argument is: %c", ch);
	buffer_write(w->out, ike->data, dlen - 1);
	buffer_write8(w->out, ';');
	buffer_write8(w->out, ch);
	buffer_write8(w->out, ike->data[dlen - 1]);
	} else
	buffer_write(w->out, ike->data, dlen);
	return;
	}
	if (ike->flags & INPUTKEY_MODIFIER) {
	/*
	* If not in xterm keys or not an xterm key handle escape and
	* control (shift not supported).
	*/
	if (KEYC_ISESC(key))
	buffer_write8(w->out, '\033');
	if (!KEYC_ISCTL(key)) {
	buffer_write(w->out, ike->data, dlen);
	return;
	}
	buffer_write(w->out, ike->data, dlen - 1);
	buffer_write8(w->out, ike->data[dlen - 1] ^ 0x20);
	return;
	}

	buffer_write(w->out, ike->data, dlen);
	}