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

 /* $Id: input-keys.c,v 1.32 2009-10-28 22:53:03 tcunha 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_CTRL 0x4	/* may be modified with ctrl */
 };

 struct input_key_ent input_keys[] = {
 	/* Backspace key. */
 	{ KEYC_BSPACE, "\177",	   0 },

 	/* Function keys. */
 	{ KEYC_F1,     "\033OP",   INPUTKEY_CTRL },
 	{ KEYC_F2,     "\033OQ",   INPUTKEY_CTRL },
 	{ KEYC_F3,     "\033OR",   INPUTKEY_CTRL },
 	{ KEYC_F4,     "\033OS",   INPUTKEY_CTRL },
 	{ KEYC_F5,     "\033[15~", INPUTKEY_CTRL },
 	{ KEYC_F6,     "\033[17~", INPUTKEY_CTRL },
 	{ KEYC_F7,     "\033[18~", INPUTKEY_CTRL },
 	{ KEYC_F8,     "\033[19~", INPUTKEY_CTRL },
 	{ KEYC_F9,     "\033[20~", INPUTKEY_CTRL },
 	{ KEYC_F10,    "\033[21~", INPUTKEY_CTRL },
 	{ KEYC_F11,    "\033[23~", INPUTKEY_CTRL },
 	{ KEYC_F12,    "\033[24~", INPUTKEY_CTRL },
 	{ KEYC_F13,    "\033[25~", INPUTKEY_CTRL },
 	{ KEYC_F14,    "\033[26~", INPUTKEY_CTRL },
 	{ KEYC_F15,    "\033[28~", INPUTKEY_CTRL },
 	{ KEYC_F16,    "\033[29~", INPUTKEY_CTRL },
 	{ KEYC_F17,    "\033[31~", INPUTKEY_CTRL },
 	{ KEYC_F18,    "\033[32~", INPUTKEY_CTRL },
 	{ KEYC_F19,    "\033[33~", INPUTKEY_CTRL },
 	{ KEYC_F20,    "\033[34~", INPUTKEY_CTRL },
 	{ KEYC_IC,     "\033[2~",  INPUTKEY_CTRL },
 	{ KEYC_DC,     "\033[3~",  INPUTKEY_CTRL },
 	{ KEYC_HOME,   "\033[1~",  INPUTKEY_CTRL },
 	{ KEYC_END,    "\033[4~",  INPUTKEY_CTRL },
 	{ KEYC_NPAGE,  "\033[6~",  INPUTKEY_CTRL },
 	{ KEYC_PPAGE,  "\033[5~",  INPUTKEY_CTRL },
 	{ KEYC_BTAB,   "\033[Z",   INPUTKEY_CTRL },

 	/* Arrow keys. Cursor versions must come first. */
 	{ 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 | KEYC_SHIFT,    "\033[a", 0 },
 	{ KEYC_DOWN | KEYC_SHIFT,  "\033[b", 0 },
 	{ KEYC_RIGHT | KEYC_SHIFT, "\033[c", 0 },
 	{ KEYC_LEFT | KEYC_SHIFT,  "\033[d", 0 },

 	{ KEYC_UP,     "\033OA",   INPUTKEY_CURSOR },
 	{ KEYC_DOWN,   "\033OB",   INPUTKEY_CURSOR },
 	{ KEYC_RIGHT,  "\033OC",   INPUTKEY_CURSOR },
 	{ KEYC_LEFT,   "\033OD",   INPUTKEY_CURSOR },

 	{ 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,  "/", INPUTKEY_KEYPAD },
 	{ KEYC_KP_STAR,   "*", INPUTKEY_KEYPAD },
 	{ KEYC_KP_MINUS,  "-", INPUTKEY_KEYPAD },
 	{ KEYC_KP_SEVEN,  "7", INPUTKEY_KEYPAD },
 	{ KEYC_KP_EIGHT,  "8", INPUTKEY_KEYPAD },
 	{ KEYC_KP_NINE,   "9", INPUTKEY_KEYPAD },
 	{ KEYC_KP_PLUS,   "+", INPUTKEY_KEYPAD },
 	{ KEYC_KP_FOUR,   "4", INPUTKEY_KEYPAD },
 	{ KEYC_KP_FIVE,   "5", INPUTKEY_KEYPAD },
 	{ KEYC_KP_SIX,    "6", INPUTKEY_KEYPAD },
 	{ KEYC_KP_ONE,    "1", INPUTKEY_KEYPAD },
 	{ KEYC_KP_TWO,    "2", INPUTKEY_KEYPAD },
 	{ KEYC_KP_THREE,  "3", INPUTKEY_KEYPAD },
 	{ KEYC_KP_ENTER,  "\n", INPUTKEY_KEYPAD },
 	{ KEYC_KP_ZERO,   "0", INPUTKEY_KEYPAD },
 	{ KEYC_KP_PERIOD, ".", INPUTKEY_KEYPAD },
 	{ KEYC_KP_SLASH,  "\033Oo", 0 },
 	{ KEYC_KP_STAR,   "\033Oj", 0 },
 	{ KEYC_KP_MINUS,  "\033Om", 0 },
 	{ KEYC_KP_SEVEN,  "\033Ow", 0 },
 	{ KEYC_KP_EIGHT,  "\033Ox", 0 },
 	{ KEYC_KP_NINE,   "\033Oy", 0 },
 	{ KEYC_KP_PLUS,   "\033Ok", 0 },
 	{ KEYC_KP_FOUR,   "\033Ot", 0 },
 	{ KEYC_KP_FIVE,   "\033Ou", 0 },
 	{ KEYC_KP_SIX,    "\033Ov", 0 },
 	{ KEYC_KP_ONE,    "\033Oq", 0 },
 	{ KEYC_KP_TWO,    "\033Or", 0 },
 	{ KEYC_KP_THREE,  "\033Os", 0 },
 	{ KEYC_KP_ENTER,  "\033OM", 0 },
 	{ KEYC_KP_ZERO,   "\033Op", 0 },
 	{ KEYC_KP_PERIOD, "\033On", 0 },
 };

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

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

 	if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) {
 		if (key & KEYC_ESCAPE)
 			buffer_write8(wp->out, '\033');
 		buffer_write8(wp->out, (uint8_t) (key & ~KEYC_ESCAPE));
 		return;
 	}

 	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 ((key & KEYC_SHIFT) && (ike->key | KEYC_SHIFT) == key)
 			break;
 		if ((key & KEYC_CTRL) && (ike->key | KEYC_CTRL) == key) {
 			if (ike->flags & INPUTKEY_CTRL)
 				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);

 	/*
 	 * Not in xterm mode. Prefix a \033 for escape, and set bit 5 of the
 	 * last byte for ctrl.
 	 */
 	if (key & KEYC_ESCAPE)
 		buffer_write8(wp->out, '\033');
 	if (key & KEYC_CTRL && ike->flags & INPUTKEY_CTRL) {
 		buffer_write(wp->out, ike->data, dlen - 1);
 		buffer_write8(wp->out, ike->data[dlen - 1] ^ 0x20);
 		return;
 	}
 	buffer_write(wp->out, ike->data, dlen);
 }

 /* Handle input mouse. */
 void
 input_mouse(struct window_pane *wp, struct mouse_event *m)
 {
 	if (wp->screen->mode & MODE_MOUSE) {
 		buffer_write(wp->out, "\033[M", 3);
 		buffer_write8(wp->out, m->b + 32);
 		buffer_write8(wp->out, m->x + 33);
 		buffer_write8(wp->out, m->y + 33);
 	}
 }
	/* $Id: input-keys.c,v 1.32 2009-10-28 22:53:03 tcunha 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_CTRL 0x4 /* may be modified with ctrl */
	};

	struct input_key_ent input_keys[] = {
	/* Backspace key. */
	{ KEYC_BSPACE, "\177", 0 },

	/* Function keys. */
	{ KEYC_F1, "\033OP", INPUTKEY_CTRL },
	{ KEYC_F2, "\033OQ", INPUTKEY_CTRL },
	{ KEYC_F3, "\033OR", INPUTKEY_CTRL },
	{ KEYC_F4, "\033OS", INPUTKEY_CTRL },
	{ KEYC_F5, "\033[15~", INPUTKEY_CTRL },
	{ KEYC_F6, "\033[17~", INPUTKEY_CTRL },
	{ KEYC_F7, "\033[18~", INPUTKEY_CTRL },
	{ KEYC_F8, "\033[19~", INPUTKEY_CTRL },
	{ KEYC_F9, "\033[20~", INPUTKEY_CTRL },
	{ KEYC_F10, "\033[21~", INPUTKEY_CTRL },
	{ KEYC_F11, "\033[23~", INPUTKEY_CTRL },
	{ KEYC_F12, "\033[24~", INPUTKEY_CTRL },
	{ KEYC_F13, "\033[25~", INPUTKEY_CTRL },
	{ KEYC_F14, "\033[26~", INPUTKEY_CTRL },
	{ KEYC_F15, "\033[28~", INPUTKEY_CTRL },
	{ KEYC_F16, "\033[29~", INPUTKEY_CTRL },
	{ KEYC_F17, "\033[31~", INPUTKEY_CTRL },
	{ KEYC_F18, "\033[32~", INPUTKEY_CTRL },
	{ KEYC_F19, "\033[33~", INPUTKEY_CTRL },
	{ KEYC_F20, "\033[34~", INPUTKEY_CTRL },
	{ KEYC_IC, "\033[2~", INPUTKEY_CTRL },
	{ KEYC_DC, "\033[3~", INPUTKEY_CTRL },
	{ KEYC_HOME, "\033[1~", INPUTKEY_CTRL },
	{ KEYC_END, "\033[4~", INPUTKEY_CTRL },
	{ KEYC_NPAGE, "\033[6~", INPUTKEY_CTRL },
	{ KEYC_PPAGE, "\033[5~", INPUTKEY_CTRL },
	{ KEYC_BTAB, "\033[Z", INPUTKEY_CTRL },

	/* Arrow keys. Cursor versions must come first. */
	{ 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 \| KEYC_SHIFT, "\033[a", 0 },
	{ KEYC_DOWN \| KEYC_SHIFT, "\033[b", 0 },
	{ KEYC_RIGHT \| KEYC_SHIFT, "\033[c", 0 },
	{ KEYC_LEFT \| KEYC_SHIFT, "\033[d", 0 },

	{ KEYC_UP, "\033OA", INPUTKEY_CURSOR },
	{ KEYC_DOWN, "\033OB", INPUTKEY_CURSOR },
	{ KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR },
	{ KEYC_LEFT, "\033OD", INPUTKEY_CURSOR },

	{ 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, "/", INPUTKEY_KEYPAD },
	{ KEYC_KP_STAR, "*", INPUTKEY_KEYPAD },
	{ KEYC_KP_MINUS, "-", INPUTKEY_KEYPAD },
	{ KEYC_KP_SEVEN, "7", INPUTKEY_KEYPAD },
	{ KEYC_KP_EIGHT, "8", INPUTKEY_KEYPAD },
	{ KEYC_KP_NINE, "9", INPUTKEY_KEYPAD },
	{ KEYC_KP_PLUS, "+", INPUTKEY_KEYPAD },
	{ KEYC_KP_FOUR, "4", INPUTKEY_KEYPAD },
	{ KEYC_KP_FIVE, "5", INPUTKEY_KEYPAD },
	{ KEYC_KP_SIX, "6", INPUTKEY_KEYPAD },
	{ KEYC_KP_ONE, "1", INPUTKEY_KEYPAD },
	{ KEYC_KP_TWO, "2", INPUTKEY_KEYPAD },
	{ KEYC_KP_THREE, "3", INPUTKEY_KEYPAD },
	{ KEYC_KP_ENTER, "\n", INPUTKEY_KEYPAD },
	{ KEYC_KP_ZERO, "0", INPUTKEY_KEYPAD },
	{ KEYC_KP_PERIOD, ".", INPUTKEY_KEYPAD },
	{ KEYC_KP_SLASH, "\033Oo", 0 },
	{ KEYC_KP_STAR, "\033Oj", 0 },
	{ KEYC_KP_MINUS, "\033Om", 0 },
	{ KEYC_KP_SEVEN, "\033Ow", 0 },
	{ KEYC_KP_EIGHT, "\033Ox", 0 },
	{ KEYC_KP_NINE, "\033Oy", 0 },
	{ KEYC_KP_PLUS, "\033Ok", 0 },
	{ KEYC_KP_FOUR, "\033Ot", 0 },
	{ KEYC_KP_FIVE, "\033Ou", 0 },
	{ KEYC_KP_SIX, "\033Ov", 0 },
	{ KEYC_KP_ONE, "\033Oq", 0 },
	{ KEYC_KP_TWO, "\033Or", 0 },
	{ KEYC_KP_THREE, "\033Os", 0 },
	{ KEYC_KP_ENTER, "\033OM", 0 },
	{ KEYC_KP_ZERO, "\033Op", 0 },
	{ KEYC_KP_PERIOD, "\033On", 0 },
	};

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

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

	if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) {
	if (key & KEYC_ESCAPE)
	buffer_write8(wp->out, '\033');
	buffer_write8(wp->out, (uint8_t) (key & ~KEYC_ESCAPE));
	return;
	}

	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 ((key & KEYC_SHIFT) && (ike->key \| KEYC_SHIFT) == key)
	break;
	if ((key & KEYC_CTRL) && (ike->key \| KEYC_CTRL) == key) {
	if (ike->flags & INPUTKEY_CTRL)
	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);

	/*
	* Not in xterm mode. Prefix a \033 for escape, and set bit 5 of the
	* last byte for ctrl.
	*/
	if (key & KEYC_ESCAPE)
	buffer_write8(wp->out, '\033');
	if (key & KEYC_CTRL && ike->flags & INPUTKEY_CTRL) {
	buffer_write(wp->out, ike->data, dlen - 1);
	buffer_write8(wp->out, ike->data[dlen - 1] ^ 0x20);
	return;
	}
	buffer_write(wp->out, ike->data, dlen);
	}

	/* Handle input mouse. */
	void
	input_mouse(struct window_pane wp, struct mouse_event m)
	{
	if (wp->screen->mode & MODE_MOUSE) {
	buffer_write(wp->out, "\033[M", 3);
	buffer_write8(wp->out, m->b + 32);
	buffer_write8(wp->out, m->x + 33);
	buffer_write8(wp->out, m->y + 33);
	}
	}