1 /* $Id: input-keys.c,v 1.2 2011/08/17 19:28:36 jmmv Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <stdlib.h> 22 #include <string.h> 23 24 #include "tmux.h" 25 26 /* 27 * This file is rather misleadingly named, it contains the code which takes a 28 * key code and translates it into something suitable to be sent to the 29 * application running in a pane (similar to input.c does in the other 30 * direction with output). 31 */ 32 33 struct input_key_ent { 34 int key; 35 const char *data; 36 37 int flags; 38 #define INPUTKEY_KEYPAD 0x1 /* keypad key */ 39 #define INPUTKEY_CURSOR 0x2 /* cursor key */ 40 }; 41 42 const struct input_key_ent input_keys[] = { 43 /* Backspace key. */ 44 { KEYC_BSPACE, "\177", 0 }, 45 46 /* Function keys. */ 47 { KEYC_F1, "\033OP", 0 }, 48 { KEYC_F2, "\033OQ", 0 }, 49 { KEYC_F3, "\033OR", 0 }, 50 { KEYC_F4, "\033OS", 0 }, 51 { KEYC_F5, "\033[15~", 0 }, 52 { KEYC_F6, "\033[17~", 0 }, 53 { KEYC_F7, "\033[18~", 0 }, 54 { KEYC_F8, "\033[19~", 0 }, 55 { KEYC_F9, "\033[20~", 0 }, 56 { KEYC_F10, "\033[21~", 0 }, 57 { KEYC_F11, "\033[23~", 0 }, 58 { KEYC_F12, "\033[24~", 0 }, 59 { KEYC_F13, "\033[25~", 0 }, 60 { KEYC_F14, "\033[26~", 0 }, 61 { KEYC_F15, "\033[28~", 0 }, 62 { KEYC_F16, "\033[29~", 0 }, 63 { KEYC_F17, "\033[31~", 0 }, 64 { KEYC_F18, "\033[32~", 0 }, 65 { KEYC_F19, "\033[33~", 0 }, 66 { KEYC_F20, "\033[34~", 0 }, 67 { KEYC_IC, "\033[2~", 0 }, 68 { KEYC_DC, "\033[3~", 0 }, 69 { KEYC_HOME, "\033[1~", 0 }, 70 { KEYC_END, "\033[4~", 0 }, 71 { KEYC_NPAGE, "\033[6~", 0 }, 72 { KEYC_PPAGE, "\033[5~", 0 }, 73 { KEYC_BTAB, "\033[Z", 0 }, 74 75 /* 76 * Arrow keys. Cursor versions must come first. The codes are toggled 77 * between CSI and SS3 versions when ctrl is pressed. 78 */ 79 { KEYC_UP|KEYC_CTRL, "\033[A", INPUTKEY_CURSOR }, 80 { KEYC_DOWN|KEYC_CTRL, "\033[B", INPUTKEY_CURSOR }, 81 { KEYC_RIGHT|KEYC_CTRL, "\033[C", INPUTKEY_CURSOR }, 82 { KEYC_LEFT|KEYC_CTRL, "\033[D", INPUTKEY_CURSOR }, 83 84 { KEYC_UP, "\033OA", INPUTKEY_CURSOR }, 85 { KEYC_DOWN, "\033OB", INPUTKEY_CURSOR }, 86 { KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR }, 87 { KEYC_LEFT, "\033OD", INPUTKEY_CURSOR }, 88 89 { KEYC_UP|KEYC_CTRL, "\033OA", 0 }, 90 { KEYC_DOWN|KEYC_CTRL, "\033OB", 0 }, 91 { KEYC_RIGHT|KEYC_CTRL, "\033OC", 0 }, 92 { KEYC_LEFT|KEYC_CTRL, "\033OD", 0 }, 93 94 { KEYC_UP, "\033[A", 0 }, 95 { KEYC_DOWN, "\033[B", 0 }, 96 { KEYC_RIGHT, "\033[C", 0 }, 97 { KEYC_LEFT, "\033[D", 0 }, 98 99 /* Keypad keys. Keypad versions must come first. */ 100 { KEYC_KP_SLASH, "\033Oo", INPUTKEY_KEYPAD }, 101 { KEYC_KP_STAR, "\033Oj", INPUTKEY_KEYPAD }, 102 { KEYC_KP_MINUS, "\033Om", INPUTKEY_KEYPAD }, 103 { KEYC_KP_SEVEN, "\033Ow", INPUTKEY_KEYPAD }, 104 { KEYC_KP_EIGHT, "\033Ox", INPUTKEY_KEYPAD }, 105 { KEYC_KP_NINE, "\033Oy", INPUTKEY_KEYPAD }, 106 { KEYC_KP_PLUS, "\033Ok", INPUTKEY_KEYPAD }, 107 { KEYC_KP_FOUR, "\033Ot", INPUTKEY_KEYPAD }, 108 { KEYC_KP_FIVE, "\033Ou", INPUTKEY_KEYPAD }, 109 { KEYC_KP_SIX, "\033Ov", INPUTKEY_KEYPAD }, 110 { KEYC_KP_ONE, "\033Oq", INPUTKEY_KEYPAD }, 111 { KEYC_KP_TWO, "\033Or", INPUTKEY_KEYPAD }, 112 { KEYC_KP_THREE, "\033Os", INPUTKEY_KEYPAD }, 113 { KEYC_KP_ENTER, "\033OM", INPUTKEY_KEYPAD }, 114 { KEYC_KP_ZERO, "\033Op", INPUTKEY_KEYPAD }, 115 { KEYC_KP_PERIOD, "\033On", INPUTKEY_KEYPAD }, 116 117 { KEYC_KP_SLASH, "/", 0 }, 118 { KEYC_KP_STAR, "*", 0 }, 119 { KEYC_KP_MINUS, "-", 0 }, 120 { KEYC_KP_SEVEN, "7", 0 }, 121 { KEYC_KP_EIGHT, "8", 0 }, 122 { KEYC_KP_NINE, "9", 0 }, 123 { KEYC_KP_PLUS, "+", 0 }, 124 { KEYC_KP_FOUR, "4", 0 }, 125 { KEYC_KP_FIVE, "5", 0 }, 126 { KEYC_KP_SIX, "6", 0 }, 127 { KEYC_KP_ONE, "1", 0 }, 128 { KEYC_KP_TWO, "2", 0 }, 129 { KEYC_KP_THREE, "3", 0 }, 130 { KEYC_KP_ENTER, "\n", 0 }, 131 { KEYC_KP_ZERO, "0", 0 }, 132 { KEYC_KP_PERIOD, ".", 0 }, 133 }; 134 135 /* Translate a key code into an output key sequence. */ 136 void 137 input_key(struct window_pane *wp, int key) 138 { 139 const struct input_key_ent *ike; 140 u_int i; 141 size_t dlen; 142 char *out; 143 u_char ch; 144 145 log_debug2("writing key 0x%x", key); 146 147 /* 148 * If this is a normal 7-bit key, just send it, with a leading escape 149 * if necessary. 150 */ 151 if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) { 152 if (key & KEYC_ESCAPE) 153 bufferevent_write(wp->event, "\033", 1); 154 ch = key & ~KEYC_ESCAPE; 155 bufferevent_write(wp->event, &ch, 1); 156 return; 157 } 158 159 /* 160 * Then try to look this up as an xterm key, if the flag to output them 161 * is set. 162 */ 163 if (options_get_number(&wp->window->options, "xterm-keys")) { 164 if ((out = xterm_keys_lookup(key)) != NULL) { 165 bufferevent_write(wp->event, out, strlen(out)); 166 xfree(out); 167 return; 168 } 169 } 170 171 /* Otherwise look the key up in the table. */ 172 for (i = 0; i < nitems(input_keys); i++) { 173 ike = &input_keys[i]; 174 175 if ((ike->flags & INPUTKEY_KEYPAD) && 176 !(wp->screen->mode & MODE_KKEYPAD)) 177 continue; 178 if ((ike->flags & INPUTKEY_CURSOR) && 179 !(wp->screen->mode & MODE_KCURSOR)) 180 continue; 181 182 if ((key & KEYC_ESCAPE) && (ike->key | KEYC_ESCAPE) == key) 183 break; 184 if (ike->key == key) 185 break; 186 } 187 if (i == nitems(input_keys)) { 188 log_debug2("key 0x%x missing", key); 189 return; 190 } 191 dlen = strlen(ike->data); 192 log_debug2("found key 0x%x: \"%s\"", key, ike->data); 193 194 /* Prefix a \033 for escape. */ 195 if (key & KEYC_ESCAPE) 196 bufferevent_write(wp->event, "\033", 1); 197 bufferevent_write(wp->event, ike->data, dlen); 198 } 199 200 /* Translate mouse and output. */ 201 void 202 input_mouse(struct window_pane *wp, struct mouse_event *m) 203 { 204 char buf[10]; 205 size_t len; 206 207 if (wp->screen->mode & ALL_MOUSE_MODES) { 208 if (wp->screen->mode & MODE_MOUSE_UTF8) { 209 len = xsnprintf(buf, sizeof buf, "\033[M"); 210 len += utf8_split2(m->b + 32, 211 (unsigned char *)&buf[len]); 212 len += utf8_split2(m->x + 33, 213 (unsigned char *)&buf[len]); 214 len += utf8_split2(m->y + 33, 215 (unsigned char *)&buf[len]); 216 } else { 217 if (m->b > 223 || m->x >= 222 || m->y > 222) 218 return; 219 len = xsnprintf(buf, sizeof buf, "\033[M"); 220 buf[len++] = m->b + 32; 221 buf[len++] = m->x + 33; 222 buf[len++] = m->y + 33; 223 } 224 bufferevent_write(wp->event, buf, len); 225 } else if ((m->b & MOUSE_BUTTON) != MOUSE_2) { 226 if (options_get_number(&wp->window->options, "mode-mouse") && 227 window_pane_set_mode(wp, &window_copy_mode) == 0) { 228 window_copy_init_from_pane(wp); 229 if (wp->mode->mouse != NULL) 230 wp->mode->mouse(wp, NULL, m); 231 } 232 } 233 } 234