1 /* $OpenBSD: input-keys.c,v 1.6 2009/10/26 13:13:33 nicm 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 <stdint.h> 22 #include <stdlib.h> 23 #include <string.h> 24 25 #include "tmux.h" 26 27 struct input_key_ent { 28 int key; 29 const char *data; 30 31 int flags; 32 #define INPUTKEY_KEYPAD 0x1 /* keypad key */ 33 #define INPUTKEY_CURSOR 0x2 /* cursor key */ 34 #define INPUTKEY_CTRL 0x4 /* may be modified with ctrl */ 35 }; 36 37 struct input_key_ent input_keys[] = { 38 /* Backspace key. */ 39 { KEYC_BSPACE, "\177", 0 }, 40 41 /* Function keys. */ 42 { KEYC_F1, "\033OP", INPUTKEY_CTRL }, 43 { KEYC_F2, "\033OQ", INPUTKEY_CTRL }, 44 { KEYC_F3, "\033OR", INPUTKEY_CTRL }, 45 { KEYC_F4, "\033OS", INPUTKEY_CTRL }, 46 { KEYC_F5, "\033[15~", INPUTKEY_CTRL }, 47 { KEYC_F6, "\033[17~", INPUTKEY_CTRL }, 48 { KEYC_F7, "\033[18~", INPUTKEY_CTRL }, 49 { KEYC_F8, "\033[19~", INPUTKEY_CTRL }, 50 { KEYC_F9, "\033[20~", INPUTKEY_CTRL }, 51 { KEYC_F10, "\033[21~", INPUTKEY_CTRL }, 52 { KEYC_F11, "\033[23~", INPUTKEY_CTRL }, 53 { KEYC_F12, "\033[24~", INPUTKEY_CTRL }, 54 { KEYC_F13, "\033[25~", INPUTKEY_CTRL }, 55 { KEYC_F14, "\033[26~", INPUTKEY_CTRL }, 56 { KEYC_F15, "\033[28~", INPUTKEY_CTRL }, 57 { KEYC_F16, "\033[29~", INPUTKEY_CTRL }, 58 { KEYC_F17, "\033[31~", INPUTKEY_CTRL }, 59 { KEYC_F18, "\033[32~", INPUTKEY_CTRL }, 60 { KEYC_F19, "\033[33~", INPUTKEY_CTRL }, 61 { KEYC_F20, "\033[34~", INPUTKEY_CTRL }, 62 { KEYC_IC, "\033[2~", INPUTKEY_CTRL }, 63 { KEYC_DC, "\033[3~", INPUTKEY_CTRL }, 64 { KEYC_HOME, "\033[1~", INPUTKEY_CTRL }, 65 { KEYC_END, "\033[4~", INPUTKEY_CTRL }, 66 { KEYC_NPAGE, "\033[6~", INPUTKEY_CTRL }, 67 { KEYC_PPAGE, "\033[5~", INPUTKEY_CTRL }, 68 { KEYC_BTAB, "\033[Z", INPUTKEY_CTRL }, 69 70 /* Arrow keys. Cursor versions must come first. */ 71 { KEYC_UP | KEYC_CTRL, "\033Oa", 0 }, 72 { KEYC_DOWN | KEYC_CTRL, "\033Ob", 0 }, 73 { KEYC_RIGHT | KEYC_CTRL, "\033Oc", 0 }, 74 { KEYC_LEFT | KEYC_CTRL, "\033Od", 0 }, 75 76 { KEYC_UP | KEYC_SHIFT, "\033[a", 0 }, 77 { KEYC_DOWN | KEYC_SHIFT, "\033[b", 0 }, 78 { KEYC_RIGHT | KEYC_SHIFT, "\033[c", 0 }, 79 { KEYC_LEFT | KEYC_SHIFT, "\033[d", 0 }, 80 81 { KEYC_UP, "\033OA", INPUTKEY_CURSOR }, 82 { KEYC_DOWN, "\033OB", INPUTKEY_CURSOR }, 83 { KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR }, 84 { KEYC_LEFT, "\033OD", INPUTKEY_CURSOR }, 85 86 { KEYC_UP, "\033[A", 0 }, 87 { KEYC_DOWN, "\033[B", 0 }, 88 { KEYC_RIGHT, "\033[C", 0 }, 89 { KEYC_LEFT, "\033[D", 0 }, 90 91 /* Keypad keys. Keypad versions must come first. */ 92 { KEYC_KP_SLASH, "/", INPUTKEY_KEYPAD }, 93 { KEYC_KP_STAR, "*", INPUTKEY_KEYPAD }, 94 { KEYC_KP_MINUS, "-", INPUTKEY_KEYPAD }, 95 { KEYC_KP_SEVEN, "7", INPUTKEY_KEYPAD }, 96 { KEYC_KP_EIGHT, "8", INPUTKEY_KEYPAD }, 97 { KEYC_KP_NINE, "9", INPUTKEY_KEYPAD }, 98 { KEYC_KP_PLUS, "+", INPUTKEY_KEYPAD }, 99 { KEYC_KP_FOUR, "4", INPUTKEY_KEYPAD }, 100 { KEYC_KP_FIVE, "5", INPUTKEY_KEYPAD }, 101 { KEYC_KP_SIX, "6", INPUTKEY_KEYPAD }, 102 { KEYC_KP_ONE, "1", INPUTKEY_KEYPAD }, 103 { KEYC_KP_TWO, "2", INPUTKEY_KEYPAD }, 104 { KEYC_KP_THREE, "3", INPUTKEY_KEYPAD }, 105 { KEYC_KP_ENTER, "\n", INPUTKEY_KEYPAD }, 106 { KEYC_KP_ZERO, "0", INPUTKEY_KEYPAD }, 107 { KEYC_KP_PERIOD, ".", INPUTKEY_KEYPAD }, 108 { KEYC_KP_SLASH, "\033Oo", 0 }, 109 { KEYC_KP_STAR, "\033Oj", 0 }, 110 { KEYC_KP_MINUS, "\033Om", 0 }, 111 { KEYC_KP_SEVEN, "\033Ow", 0 }, 112 { KEYC_KP_EIGHT, "\033Ox", 0 }, 113 { KEYC_KP_NINE, "\033Oy", 0 }, 114 { KEYC_KP_PLUS, "\033Ok", 0 }, 115 { KEYC_KP_FOUR, "\033Ot", 0 }, 116 { KEYC_KP_FIVE, "\033Ou", 0 }, 117 { KEYC_KP_SIX, "\033Ov", 0 }, 118 { KEYC_KP_ONE, "\033Oq", 0 }, 119 { KEYC_KP_TWO, "\033Or", 0 }, 120 { KEYC_KP_THREE, "\033Os", 0 }, 121 { KEYC_KP_ENTER, "\033OM", 0 }, 122 { KEYC_KP_ZERO, "\033Op", 0 }, 123 { KEYC_KP_PERIOD, "\033On", 0 }, 124 }; 125 126 /* Translate a key code from client into an output key sequence. */ 127 void 128 input_key(struct window_pane *wp, int key) 129 { 130 struct input_key_ent *ike; 131 u_int i; 132 char ch; 133 size_t dlen; 134 int xterm_keys; 135 136 log_debug2("writing key 0x%x", key); 137 138 if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) { 139 if (key & KEYC_ESCAPE) 140 buffer_write8(wp->out, '\033'); 141 buffer_write8(wp->out, (uint8_t) (key & ~KEYC_ESCAPE)); 142 return; 143 } 144 145 for (i = 0; i < nitems(input_keys); i++) { 146 ike = &input_keys[i]; 147 148 if ((ike->flags & INPUTKEY_KEYPAD) && 149 !(wp->screen->mode & MODE_KKEYPAD)) 150 continue; 151 if ((ike->flags & INPUTKEY_CURSOR) && 152 !(wp->screen->mode & MODE_KCURSOR)) 153 continue; 154 155 if ((key & KEYC_ESCAPE) && (ike->key | KEYC_ESCAPE) == key) 156 break; 157 if ((key & KEYC_SHIFT) && (ike->key | KEYC_SHIFT) == key) 158 break; 159 if ((key & KEYC_CTRL) && (ike->key | KEYC_CTRL) == key) { 160 if (ike->flags & INPUTKEY_CTRL) 161 break; 162 } 163 if (ike->key == key) 164 break; 165 } 166 if (i == nitems(input_keys)) { 167 log_debug2("key 0x%x missing", key); 168 return; 169 } 170 dlen = strlen(ike->data); 171 172 log_debug2("found key 0x%x: \"%s\"", key, ike->data); 173 174 /* 175 * Not in xterm mode. Prefix a \033 for escape, and set bit 5 of the 176 * last byte for ctrl. 177 */ 178 if (key & KEYC_ESCAPE) 179 buffer_write8(wp->out, '\033'); 180 if (key & KEYC_CTRL && ike->flags & INPUTKEY_CTRL) { 181 buffer_write(wp->out, ike->data, dlen - 1); 182 buffer_write8(wp->out, ike->data[dlen - 1] ^ 0x20); 183 return; 184 } 185 buffer_write(wp->out, ike->data, dlen); 186 } 187 188 /* Handle input mouse. */ 189 void 190 input_mouse(struct window_pane *wp, struct mouse_event *m) 191 { 192 if (wp->screen->mode & MODE_MOUSE) { 193 buffer_write(wp->out, "\033[M", 3); 194 buffer_write8(wp->out, m->b + 32); 195 buffer_write8(wp->out, m->x + 33); 196 buffer_write8(wp->out, m->y + 33); 197 } 198 } 199