mirror of
https://github.com/tmate-io/tmate.git
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Update key handling code. Simplify, support ctrl properly and add a new window option (xterm-keys) to output xterm key codes including ctrl and, if available, alt and shift.
This commit is contained in:
Nicholas Marriott
150
input-keys.c
150
input-keys.c
@ -1,4 +1,4 @@
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/* $Id: input-keys.c,v 1.17 2009-01-08 22:28:02 nicm Exp $ */
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/* $Id: input-keys.c,v 1.18 2009-01-09 16:45:58 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -24,42 +24,47 @@
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#include "tmux.h"
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#define INPUTKEY_KEYPAD 0x1
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#define INPUTKEY_CURSOR 0x2
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struct {
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struct input_key_ent {
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int key;
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const char *data;
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int flags;
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} input_keys[] = {
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#define INPUTKEY_KEYPAD 0x1 /* keypad key */
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#define INPUTKEY_CURSOR 0x2 /* cursor key */
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#define INPUTKEY_MODIFIER 0x4 /* may be adjusted by modifiers */
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#define INPUTKEY_XTERM 0x4 /* may have xterm argument appended */
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};
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struct input_key_ent input_keys[] = {
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/* Function keys. */
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{ KEYC_F1, "\033OP", 0 },
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{ KEYC_F2, "\033OQ", 0 },
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{ KEYC_F3, "\033OR", 0 },
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{ KEYC_F4, "\033OS", 0 },
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{ KEYC_F5, "\033[15~", 0 },
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{ KEYC_F6, "\033[17~", 0 },
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{ KEYC_F7, "\033[18~", 0 },
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{ KEYC_F8, "\033[19~", 0 },
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{ KEYC_F9, "\033[20~", 0 },
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{ KEYC_F10, "\033[21~", 0 },
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{ KEYC_F11, "\033[23~", 0 },
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{ KEYC_F12, "\033[24~", 0 },
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{ KEYC_IC, "\033[2~", 0 },
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{ KEYC_DC, "\033[3~", 0 },
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{ KEYC_HOME, "\033[1~", 0 },
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{ KEYC_END, "\033[4~", 0 },
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{ KEYC_NPAGE, "\033[6~", 0 },
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{ KEYC_PPAGE, "\033[5~", 0 },
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{ KEYC_F1, "\033OP", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F2, "\033OQ", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F3, "\033OR", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F4, "\033OS", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F5, "\033[15~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F6, "\033[17~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F7, "\033[18~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F8, "\033[19~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F9, "\033[20~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F10, "\033[21~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F11, "\033[23~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_F12, "\033[24~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_IC, "\033[2~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_DC, "\033[3~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_HOME, "\033[1~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_END, "\033[4~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_NPAGE, "\033[6~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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{ KEYC_PPAGE, "\033[5~", INPUTKEY_MODIFIER|INPUTKEY_XTERM },
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/* Arrow keys. Cursor versions must come first. */
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{ KEYC_UP, "\033OA", INPUTKEY_CURSOR },
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{ KEYC_DOWN, "\033OB", INPUTKEY_CURSOR },
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{ KEYC_LEFT, "\033OD", INPUTKEY_CURSOR },
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{ KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR },
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{ KEYC_UP, "\033[A", 0 },
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{ KEYC_DOWN, "\033[B", 0 },
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{ KEYC_LEFT, "\033[D", 0 },
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{ KEYC_RIGHT, "\033[C", 0 },
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{ KEYC_UP, "\033OA", INPUTKEY_MODIFIER|INPUTKEY_CURSOR },
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{ KEYC_DOWN, "\033OB", INPUTKEY_MODIFIER|INPUTKEY_CURSOR },
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{ KEYC_LEFT, "\033OD", INPUTKEY_MODIFIER|INPUTKEY_CURSOR },
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{ KEYC_RIGHT, "\033OC", INPUTKEY_MODIFIER|INPUTKEY_CURSOR },
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{ KEYC_UP, "\033[A", INPUTKEY_MODIFIER },
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{ KEYC_DOWN, "\033[B", INPUTKEY_MODIFIER },
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{ KEYC_LEFT, "\033[D", INPUTKEY_MODIFIER },
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{ KEYC_RIGHT, "\033[C", INPUTKEY_MODIFIER },
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/* Keypad keys. Keypad versions must come first. */
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{ KEYC_KP0_1, "/", INPUTKEY_KEYPAD },
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@ -100,35 +105,92 @@ struct {
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void
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input_key(struct window *w, int key)
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{
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u_int i;
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struct input_key_ent *ike;
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u_int i;
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char ch;
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size_t dlen;
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log_debug2("writing key 0x%x", key);
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if (KEYC_ISESCAPE(key)) {
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buffer_write8(w->out, '\033');
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key = KEYC_REMOVEESCAPE(key);
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}
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if (key != KEYC_NONE && key < KEYC_OFFSET) {
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buffer_write8(w->out, (uint8_t) key);
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if (key != KEYC_NONE && KEYC_REMOVEESC(key) < KEYC_OFFSET) {
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if (KEYC_ISESC(key))
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buffer_write8(w->out, '\033');
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buffer_write8(w->out, (uint8_t) KEYC_REMOVEESC(key));
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return;
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}
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for (i = 0; i < nitems(input_keys); i++) {
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if ((input_keys[i].flags & INPUTKEY_KEYPAD) &&
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ike = &input_keys[i];
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if ((ike->flags & INPUTKEY_KEYPAD) &&
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!(w->screen->mode & MODE_KKEYPAD))
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continue;
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if ((input_keys[i].flags & INPUTKEY_CURSOR) &&
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if ((ike->flags & INPUTKEY_CURSOR) &&
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!(w->screen->mode & MODE_KCURSOR))
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continue;
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if (input_keys[i].key == key)
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if (ike->flags & INPUTKEY_MODIFIER) {
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if (KEYC_ISCTL(key) && KEYC_ADDCTL(ike->key) == key)
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break;
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if (KEYC_ISESC(key) && KEYC_ADDESC(ike->key) == key)
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break;
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if (KEYC_ISSFT(key) && KEYC_ADDSFT(ike->key) == key)
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break;
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}
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if (ike->key == key)
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break;
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}
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if (i == nitems(input_keys)) {
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log_debug2("key 0x%x missing", key);
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return;
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}
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dlen = strlen(ike->data);
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log_debug2("found key 0x%x: \"%s\"", key, input_keys[i].data);
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buffer_write(w->out, input_keys[i].data, strlen(input_keys[i].data));
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log_debug2("found key 0x%x: \"%s\"", key, ike->data);
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if (ike->flags & INPUTKEY_XTERM &&
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options_get_number(&w->options, "xterm-keys")) {
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/* In xterm keys mode, append modifier argument. */
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ch = '\0';
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if (KEYC_ISSFT(key) && KEYC_ISESC(key) && KEYC_ISCTL(key))
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ch = '8';
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else if (KEYC_ISESC(key) && KEYC_ISCTL(key))
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ch = '7';
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else if (KEYC_ISSFT(key) && KEYC_ISCTL(key))
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ch = '6';
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else if (KEYC_ISCTL(key))
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ch = '5';
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else if (KEYC_ISSFT(key) && KEYC_ISESC(key))
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ch = '4';
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else if (KEYC_ISESC(key))
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ch = '3';
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else if (KEYC_ISSFT(key))
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ch = '2';
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if (ch != '\0') {
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log_debug("output argument is: %c", ch);
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buffer_write(w->out, ike->data, dlen - 1);
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buffer_write8(w->out, ';');
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buffer_write8(w->out, ch);
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buffer_write8(w->out, ike->data[dlen - 1]);
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} else
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buffer_write(w->out, ike->data, dlen);
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return;
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}
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if (ike->flags & INPUTKEY_MODIFIER) {
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/*
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* If not in xterm keys or not an xterm key handle escape and
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* control (shift not supported).
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*/
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if (KEYC_ISESC(key))
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buffer_write8(w->out, '\033');
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if (!KEYC_ISCTL(key)) {
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buffer_write(w->out, ike->data, dlen);
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return;
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}
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buffer_write(w->out, ike->data, dlen - 1);
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buffer_write8(w->out, ike->data[dlen - 1] ^ 0x20);
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return;
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}
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buffer_write(w->out, ike->data, dlen);
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}
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