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-rw-r--r--input-keys.c227
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diff --git a/input-keys.c b/input-keys.c
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+/* $OpenBSD$ */
+
+/*
+ * 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"
+
+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 */
+#define INPUTKEY_XTERM 0x4 /* may have xterm argument appended */
+};
+
+struct input_key_ent input_keys[] = {
+ /* Function keys. */
+ { KEYC_F1, "\033OP", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F2, "\033OQ", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F3, "\033OR", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F4, "\033OS", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F5, "\033[15~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F6, "\033[17~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F7, "\033[18~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F8, "\033[19~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F9, "\033[20~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F10, "\033[21~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F11, "\033[23~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F12, "\033[24~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F13, "\033[25~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F14, "\033[26~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F15, "\033[28~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F16, "\033[29~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F17, "\033[31~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F18, "\033[32~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F19, "\033[33~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_F20, "\033[34~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_IC, "\033[2~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_DC, "\033[3~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_HOME, "\033[1~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_END, "\033[4~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_NPAGE, "\033[6~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_PPAGE, "\033[5~", INPUTKEY_CTRL|INPUTKEY_XTERM },
+ { KEYC_BTAB, "\033[Z", INPUTKEY_CTRL },
+
+ /* Arrow keys. Cursor versions must come first. */
+ { KEYC_ADDCTL(KEYC_UP), "\033Oa", 0 },
+ { KEYC_ADDCTL(KEYC_DOWN), "\033Ob", 0 },
+ { KEYC_ADDCTL(KEYC_RIGHT), "\033Oc", 0 },
+ { KEYC_ADDCTL(KEYC_LEFT), "\033Od", 0 },
+
+ { KEYC_ADDSFT(KEYC_UP), "\033[a", 0 },
+ { KEYC_ADDSFT(KEYC_DOWN), "\033[b", 0 },
+ { KEYC_ADDSFT(KEYC_RIGHT), "\033[c", 0 },
+ { KEYC_ADDSFT(KEYC_LEFT), "\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_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_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 && KEYC_REMOVEESC(key) < KEYC_OFFSET) {
+ if (KEYC_ISESC(key))
+ buffer_write8(wp->out, '\033');
+ buffer_write8(wp->out, (uint8_t) KEYC_REMOVEESC(key));
+ 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 (KEYC_ISESC(key) && KEYC_ADDESC(ike->key) == key)
+ break;
+ if (KEYC_ISSFT(key) && KEYC_ADDSFT(ike->key) == key)
+ break;
+ if (KEYC_ISCTL(key) && KEYC_ADDCTL(ike->key) == 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);
+
+ /*
+ * If in xterm keys mode, work out and append the modifier as an
+ * argument.
+ */
+ xterm_keys = options_get_number(&wp->window->options, "xterm-keys");
+ if (xterm_keys && ike->flags & INPUTKEY_XTERM) {
+ 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') {
+ buffer_write(wp->out, ike->data, dlen - 1);
+ buffer_write8(wp->out, ';');
+ buffer_write8(wp->out, ch);
+ buffer_write8(wp->out, ike->data[dlen - 1]);
+ } else
+ buffer_write(wp->out, ike->data, dlen);
+ return;
+ }
+
+ /*
+ * Not in xterm mode. Prefix a \033 for escape, and set bit 5 of the
+ * last byte for ctrl.
+ */
+ if (KEYC_ISESC(key))
+ buffer_write8(wp->out, '\033');
+ if (KEYC_ISCTL(key) && 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, u_char b, u_char x, u_char y)
+{
+ if (wp->screen->mode & MODE_MOUSE) {
+ buffer_write(wp->out, "\033[M", 3);
+ buffer_write8(wp->out, b + 32);
+ buffer_write8(wp->out, x + 33);
+ buffer_write8(wp->out, y + 33);
+ }
+}
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