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tmux/tty-keys.c

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/* $Id: tty-keys.c,v 1.1 2007-11-27 19:23:34 nicm 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 <string.h>
#include "tmux.h"
struct {
const char *name;
int code;
} tty_keys[] = {
{ "kBEG", KEYC_SBEG },
{ "kCAN", KEYC_SCANCEL },
{ "kCMD", KEYC_SCOMMAND },
{ "kCPY", KEYC_SCOPY },
{ "kCRT", KEYC_SCREATE },
{ "kDC", KEYC_SDC },
{ "kDL", KEYC_SDL },
{ "kEND", KEYC_SEND },
{ "kEOL", KEYC_SEOL },
{ "kEXT", KEYC_SEXIT },
{ "kFND", KEYC_SFIND },
{ "kHLP", KEYC_SHELP },
{ "kHOM", KEYC_SHOME },
{ "kIC", KEYC_SIC },
{ "kLFT", KEYC_SLEFT },
{ "kMOV", KEYC_SMOVE },
{ "kMSG", KEYC_SMESSAGE },
{ "kNXT", KEYC_SNEXT },
{ "kOPT", KEYC_SOPTIONS },
{ "kPRT", KEYC_SPRINT },
{ "kPRV", KEYC_SPREVIOUS },
{ "kRDO", KEYC_SREDO },
{ "kRES", KEYC_SRSUME },
{ "kRIT", KEYC_SRIGHT },
{ "kRPL", KEYC_SREPLACE },
{ "kSAV", KEYC_SSAVE },
{ "kSPD", KEYC_SSUSPEND },
{ "kUND", KEYC_SUNDO },
{ "ka1", KEYC_A1 },
{ "ka3", KEYC_A3 },
{ "kb2", KEYC_B2 },
{ "kbeg", KEYC_BEG },
{ "kc1", KEYC_C1 },
{ "kc3", KEYC_C3 },
{ "kcan", KEYC_CANCEL },
{ "kcbt", KEYC_BTAB },
{ "kclo", KEYC_CLOSE },
{ "kclr", KEYC_CLEAR },
{ "kcmd", KEYC_COMMAND },
{ "kcpy", KEYC_COPY },
{ "kcrt", KEYC_CREATE },
{ "kctab", KEYC_CTAB },
{ "kcub1", KEYC_LEFT },
{ "kcud1", KEYC_DOWN },
{ "kcuf1", KEYC_RIGHT },
{ "kcuu1", KEYC_UP },
{ "kdch1", KEYC_DC },
{ "kdl1", KEYC_DL },
{ "ked", KEYC_EOS },
{ "kel", KEYC_EOL },
{ "kend", KEYC_END },
{ "kent", KEYC_ENTER },
{ "kext", KEYC_EXIT },
{ "kf0", KEYC_F0 },
{ "kf1", KEYC_F1 },
{ "kf10", KEYC_F10 },
{ "kf11", KEYC_F11 },
{ "kf12", KEYC_F12 },
{ "kf13", KEYC_F13 },
{ "kf14", KEYC_F14 },
{ "kf15", KEYC_F15 },
{ "kf16", KEYC_F16 },
{ "kf17", KEYC_F17 },
{ "kf18", KEYC_F18 },
{ "kf19", KEYC_F19 },
{ "kf2", KEYC_F2 },
{ "kf20", KEYC_F20 },
{ "kf21", KEYC_F21 },
{ "kf22", KEYC_F22 },
{ "kf23", KEYC_F23 },
{ "kf24", KEYC_F24 },
{ "kf25", KEYC_F25 },
{ "kf26", KEYC_F26 },
{ "kf27", KEYC_F27 },
{ "kf28", KEYC_F28 },
{ "kf29", KEYC_F29 },
{ "kf3", KEYC_F3 },
{ "kf30", KEYC_F30 },
{ "kf31", KEYC_F31 },
{ "kf32", KEYC_F32 },
{ "kf33", KEYC_F33 },
{ "kf34", KEYC_F34 },
{ "kf35", KEYC_F35 },
{ "kf36", KEYC_F36 },
{ "kf37", KEYC_F37 },
{ "kf38", KEYC_F38 },
{ "kf39", KEYC_F39 },
{ "kf4", KEYC_F4 },
{ "kf40", KEYC_F40 },
{ "kf41", KEYC_F41 },
{ "kf42", KEYC_F42 },
{ "kf43", KEYC_F43 },
{ "kf44", KEYC_F44 },
{ "kf45", KEYC_F45 },
{ "kf46", KEYC_F46 },
{ "kf47", KEYC_F47 },
{ "kf48", KEYC_F48 },
{ "kf49", KEYC_F49 },
{ "kf5", KEYC_F5 },
{ "kf50", KEYC_F50 },
{ "kf51", KEYC_F51 },
{ "kf52", KEYC_F52 },
{ "kf53", KEYC_F53 },
{ "kf54", KEYC_F54 },
{ "kf55", KEYC_F55 },
{ "kf56", KEYC_F56 },
{ "kf57", KEYC_F57 },
{ "kf58", KEYC_F58 },
{ "kf59", KEYC_F59 },
{ "kf6", KEYC_F6 },
{ "kf60", KEYC_F60 },
{ "kf61", KEYC_F61 },
{ "kf62", KEYC_F62 },
{ "kf63", KEYC_F63 },
{ "kf7", KEYC_F7 },
{ "kf8", KEYC_F8 },
{ "kf9", KEYC_F9 },
{ "kfnd", KEYC_FIND },
{ "khlp", KEYC_HELP },
{ "khome", KEYC_HOME },
{ "khts", KEYC_STAB },
{ "kich1", KEYC_IC },
{ "kil1", KEYC_IL },
{ "kind", KEYC_SF },
{ "kll", KEYC_LL },
{ "kmov", KEYC_MOVE },
{ "kmrk", KEYC_MARK },
{ "kmsg", KEYC_MESSAGE },
{ "knp", KEYC_NPAGE },
{ "knxt", KEYC_NEXT },
{ "kopn", KEYC_OPEN },
{ "kopt", KEYC_OPTIONS },
{ "kpp", KEYC_PPAGE },
{ "kprt", KEYC_PRINT },
{ "kprv", KEYC_PREVIOUS },
{ "krdo", KEYC_REDO },
{ "kref", KEYC_REFERENCE },
{ "kres", KEYC_RESUME },
{ "krfr", KEYC_REFRESH },
{ "kri", KEYC_SR },
{ "krmir", KEYC_EIC },
{ "krpl", KEYC_REPLACE },
{ "krst", KEYC_RESTART },
{ "ksav", KEYC_SAVE },
{ "kslt", KEYC_SELECT },
{ "kspd", KEYC_SUSPEND },
{ "ktbc", KEYC_CATAB },
{ "kund", KEYC_UNDO },
{ "pmous", KEYC_MOUSE },
};
#define NTTYKEYS (sizeof tty_keys / sizeof tty_keys[0])
RB_GENERATE(tty_keys, tty_key, entry, tty_keys_cmp);
int
tty_keys_cmp(struct tty_key *k1, struct tty_key *k2)
{
return (strcmp(k1->string, k2->string));
}
void
tty_keys_init(struct tty *tty)
{
struct tty_key *tk;
u_int i;
char *s;
RB_INIT(&tty->ktree);
tty->ksize = 0;
for (i = 0; i < NTTYKEYS; i++) {
s = tigetstr(tty_keys[i].name);
if (s == (char *) -1 || s == (char *) 0)
continue;
if (s[0] != '\e' || s[1] == '\0')
continue;
tk = xmalloc(sizeof *tk);
tk->string = xstrdup(s + 1);
tk->code = tty_keys[i].code;
if (strlen(tk->string) > tty->ksize)
tty->ksize = strlen(tk->string);
RB_INSERT(tty_keys, &tty->ktree, tk);
log_debug("found key %d: size now %zu", tk->code, tty->ksize);
}
}
void
tty_keys_free(struct tty *tty)
{
struct tty_key *tk, *tl;
for (tk = RB_MIN(tty_keys, &tty->ktree); tk != NULL; tk = tl) {
tl = RB_NEXT(tty_keys, &tty->ktree, tk);
RB_REMOVE(tty_keys, &tty->ktree, tk);
xfree(tk->string);
xfree(tk);
}
}
int
tty_keys_next(struct tty *tty, int *code)
{
struct tty_key *tk, tl;
size_t size;
char *s;
if (BUFFER_USED(tty->in) == 0)
return (1);
log_debug("keys have %zu bytes", BUFFER_USED(tty->in));
if (*BUFFER_OUT(tty->in) != '\e') {
*code = buffer_read8(tty->in);
return (0);
}
tk = NULL;
s = xmalloc(tty->ksize + 1);
for (size = tty->ksize; size > 0; size--) {
if (size >= BUFFER_USED(tty->in))
continue;
memcpy(s, BUFFER_OUT(tty->in) + 1, size);
s[size] = '\0';
tl.string = s;
tk = RB_FIND(tty_keys, &tty->ktree, &tl);
if (tk != NULL)
break;
}
xfree(s);
if (tk == NULL) {
/*
* XXX Pass through unchanged.
*/
*code = '\e';
buffer_remove(tty->in, 1);
return (0);
}
buffer_remove(tty->in, size + 1);
*code = tk->code;
return (0);
}
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