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More hacks for key handling.

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This commit is contained in:
Nicholas Marriott 2009-01-12 22:48:00 +00:00
parent a70b8ee489
commit a88eba3805
4 changed files with 150 additions and 122 deletions
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4
CHANGES
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@ -1,6 +1,6 @@
12 January 2009 12 January 2009
* More hacks for key handling. * Yet more hacks for key handling. Think it is just about working now.
* Two commands, resize-pane-up and resize-pane-down to resize a pane. * Two commands, resize-pane-up and resize-pane-down to resize a pane.
* Make the window pane code handle panes of different sizes, and add a -l * Make the window pane code handle panes of different sizes, and add a -l
and -p arguments to split-window to specify the new window size in lines and -p arguments to split-window to specify the new window size in lines
@ -884,7 +884,7 @@
(including mutt, emacs). No status bar yet and no key remapping or other (including mutt, emacs). No status bar yet and no key remapping or other
customisation. customisation.
$Id: CHANGES,v 1.197 2009-01-12 21:47:03 nicm Exp $ $Id: CHANGES,v 1.198 2009-01-12 22:48:00 nicm Exp $
LocalWords: showw utf UTF fulvio ciriaco joshe OSC APC gettime abc DEF OA clr LocalWords: showw utf UTF fulvio ciriaco joshe OSC APC gettime abc DEF OA clr
LocalWords: rivo nurges lscm Erdely eol smysession mysession ek dstname RB LocalWords: rivo nurges lscm Erdely eol smysession mysession ek dstname RB

71
input-keys.c
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@ -1,4 +1,4 @@
/* $Id: input-keys.c,v 1.22 2009-01-12 21:47:03 nicm Exp $ */ /* $Id: input-keys.c,v 1.23 2009-01-12 22:48:00 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -31,31 +31,31 @@ struct input_key_ent {
int flags; int flags;
#define INPUTKEY_KEYPAD 0x1 /* keypad key */ #define INPUTKEY_KEYPAD 0x1 /* keypad key */
#define INPUTKEY_CURSOR 0x2 /* cursor key */ #define INPUTKEY_CURSOR 0x2 /* cursor key */
#define INPUTKEY_MODIFIER 0x4 /* may be adjusted by modifiers */ #define INPUTKEY_CTRL 0x4 /* may be modified with ctrl */
#define INPUTKEY_XTERM 0x4 /* may have xterm argument appended */ #define INPUTKEY_XTERM 0x4 /* may have xterm argument appended */
}; };
struct input_key_ent input_keys[] = { struct input_key_ent input_keys[] = {
/* Function keys. */ /* Function keys. */
{ KEYC_F1, "\033OP", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F1, "\033OP", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F2, "\033OQ", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F2, "\033OQ", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F3, "\033OR", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F3, "\033OR", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F4, "\033OS", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F4, "\033OS", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F5, "\033[15~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F5, "\033[15~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F6, "\033[17~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F6, "\033[17~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F7, "\033[18~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F7, "\033[18~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F8, "\033[19~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F8, "\033[19~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F9, "\033[20~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F9, "\033[20~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F10, "\033[21~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F10, "\033[21~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F11, "\033[23~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F11, "\033[23~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_F12, "\033[24~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_F12, "\033[24~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_IC, "\033[2~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_IC, "\033[2~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_DC, "\033[3~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_DC, "\033[3~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_HOME, "\033[1~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_HOME, "\033[1~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_END, "\033[4~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_END, "\033[4~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_NPAGE, "\033[6~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_NPAGE, "\033[6~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_PPAGE, "\033[5~", INPUTKEY_MODIFIER|INPUTKEY_XTERM }, { KEYC_PPAGE, "\033[5~", INPUTKEY_CTRL|INPUTKEY_XTERM },
{ KEYC_BTAB, "\033[Z", INPUTKEY_MODIFIER }, { KEYC_BTAB, "\033[Z", INPUTKEY_CTRL },
/* Arrow keys. Cursor versions must come first. */ /* Arrow keys. Cursor versions must come first. */
{ KEYC_UP, "\033OA", INPUTKEY_CURSOR }, { KEYC_UP, "\033OA", INPUTKEY_CURSOR },
@ -121,6 +121,7 @@ input_key(struct window_pane *wp, int key)
u_int i; u_int i;
char ch; char ch;
size_t dlen; size_t dlen;
int xterm_keys;
log_debug2("writing key 0x%x", key); log_debug2("writing key 0x%x", key);
@ -141,13 +142,13 @@ input_key(struct window_pane *wp, int key)
!(wp->screen->mode & MODE_KCURSOR)) !(wp->screen->mode & MODE_KCURSOR))
continue; continue;
if (ike->flags & INPUTKEY_MODIFIER) {
if (KEYC_ISCTL(key) && KEYC_ADDCTL(ike->key) == key)
break;
if (KEYC_ISESC(key) && KEYC_ADDESC(ike->key) == key) if (KEYC_ISESC(key) && KEYC_ADDESC(ike->key) == key)
break; break;
if (KEYC_ISSFT(key) && KEYC_ADDSFT(ike->key) == key) if (KEYC_ISSFT(key) && KEYC_ADDSFT(ike->key) == key)
break; break;
if (KEYC_ISCTL(key) && KEYC_ADDCTL(ike->key) == key) {
if (ike->flags & INPUTKEY_CTRL)
break;
} }
if (ike->key == key) if (ike->key == key)
break; break;
@ -160,9 +161,12 @@ input_key(struct window_pane *wp, int key)
log_debug2("found key 0x%x: \"%s\"", key, ike->data); log_debug2("found key 0x%x: \"%s\"", key, ike->data);
if (ike->flags & INPUTKEY_XTERM && /*
options_get_number(&wp->window->options, "xterm-keys")) { * If in xterm keys mode, work out and append the modifier as an
/* In xterm keys mode, append modifier argument. */ * argument.
*/
xterm_keys = options_get_number(&wp->window->options, "xterm-keys");
if (xterm_keys && ike->flags & INPUTKEY_XTERM) {
ch = '\0'; ch = '\0';
if (KEYC_ISSFT(key) && KEYC_ISESC(key) && KEYC_ISCTL(key)) if (KEYC_ISSFT(key) && KEYC_ISESC(key) && KEYC_ISCTL(key))
ch = '8'; ch = '8';
@ -179,7 +183,6 @@ input_key(struct window_pane *wp, int key)
else if (KEYC_ISSFT(key)) else if (KEYC_ISSFT(key))
ch = '2'; ch = '2';
if (ch != '\0') { if (ch != '\0') {
log_debug("output argument is: %c", ch);
buffer_write(wp->out, ike->data, dlen - 1); buffer_write(wp->out, ike->data, dlen - 1);
buffer_write8(wp->out, ';'); buffer_write8(wp->out, ';');
buffer_write8(wp->out, ch); buffer_write8(wp->out, ch);
@ -188,21 +191,17 @@ input_key(struct window_pane *wp, int key)
buffer_write(wp->out, ike->data, dlen); buffer_write(wp->out, ike->data, dlen);
return; return;
} }
if (ike->flags & INPUTKEY_MODIFIER) {
/* /*
* If not in xterm keys or not an xterm key handle escape and * Not in xterm mode. Prefix a \033 for escape, and set bit 5 of the
* control (shift not supported). * last byte for ctrl.
*/ */
if (KEYC_ISESC(key)) if (KEYC_ISESC(key))
buffer_write8(wp->out, '\033'); buffer_write8(wp->out, '\033');
if (!KEYC_ISCTL(key)) { if (KEYC_ISCTL(key) && ike->flags & INPUTKEY_CTRL) {
buffer_write(wp->out, ike->data, dlen);
return;
}
buffer_write(wp->out, ike->data, dlen - 1); buffer_write(wp->out, ike->data, dlen - 1);
buffer_write8(wp->out, ike->data[dlen - 1] ^ 0x20); buffer_write8(wp->out, ike->data[dlen - 1] ^ 0x20);
return; return;
} }
buffer_write(wp->out, ike->data, dlen); buffer_write(wp->out, ike->data, dlen);
} }

4
tmux.h
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@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.226 2009-01-12 19:23:14 nicm Exp $ */ /* $Id: tmux.h,v 1.227 2009-01-12 22:48:00 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -670,7 +670,7 @@ struct tty_key {
char *string; char *string;
int flags; int flags;
#define TTYKEY_MODIFIER 0x1 #define TTYKEY_CTRL 0x1
#define TTYKEY_RAW 0x2 #define TTYKEY_RAW 0x2
RB_ENTRY(tty_key) entry; RB_ENTRY(tty_key) entry;

173
tty-keys.c
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@ -1,4 +1,4 @@
/* $Id: tty-keys.c,v 1.19 2009-01-12 21:47:03 nicm Exp $ */ /* $Id: tty-keys.c,v 1.20 2009-01-12 22:48:00 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -24,6 +24,7 @@
#include "tmux.h" #include "tmux.h"
void tty_keys_add(struct tty *, const char *, int, int); void tty_keys_add(struct tty *, const char *, int, int);
int tty_keys_parse_xterm(struct tty *, char *, size_t, size_t *);
struct tty_key_ent { struct tty_key_ent {
enum tty_code_code code; enum tty_code_code code;
@ -35,25 +36,25 @@ struct tty_key_ent {
struct tty_key_ent tty_keys[] = { struct tty_key_ent tty_keys[] = {
/* Function keys. */ /* Function keys. */
{ TTYC_KF1, NULL, KEYC_F1, TTYKEY_MODIFIER }, { TTYC_KF1, NULL, KEYC_F1, TTYKEY_CTRL },
{ TTYC_KF2, NULL, KEYC_F2, TTYKEY_MODIFIER }, { TTYC_KF2, NULL, KEYC_F2, TTYKEY_CTRL },
{ TTYC_KF3, NULL, KEYC_F3, TTYKEY_MODIFIER }, { TTYC_KF3, NULL, KEYC_F3, TTYKEY_CTRL },
{ TTYC_KF4, NULL, KEYC_F4, TTYKEY_MODIFIER }, { TTYC_KF4, NULL, KEYC_F4, TTYKEY_CTRL },
{ TTYC_KF5, NULL, KEYC_F5, TTYKEY_MODIFIER }, { TTYC_KF5, NULL, KEYC_F5, TTYKEY_CTRL },
{ TTYC_KF6, NULL, KEYC_F6, TTYKEY_MODIFIER }, { TTYC_KF6, NULL, KEYC_F6, TTYKEY_CTRL },
{ TTYC_KF7, NULL, KEYC_F7, TTYKEY_MODIFIER }, { TTYC_KF7, NULL, KEYC_F7, TTYKEY_CTRL },
{ TTYC_KF8, NULL, KEYC_F8, TTYKEY_MODIFIER }, { TTYC_KF8, NULL, KEYC_F8, TTYKEY_CTRL },
{ TTYC_KF9, NULL, KEYC_F9, TTYKEY_MODIFIER }, { TTYC_KF9, NULL, KEYC_F9, TTYKEY_CTRL },
{ TTYC_KF10, NULL, KEYC_F10, TTYKEY_MODIFIER }, { TTYC_KF10, NULL, KEYC_F10, TTYKEY_CTRL },
{ TTYC_KF11, NULL, KEYC_F11, TTYKEY_MODIFIER }, { TTYC_KF11, NULL, KEYC_F11, TTYKEY_CTRL },
{ TTYC_KF12, NULL, KEYC_F12, TTYKEY_MODIFIER }, { TTYC_KF12, NULL, KEYC_F12, TTYKEY_CTRL },
{ TTYC_KICH1, NULL, KEYC_IC, TTYKEY_MODIFIER }, { TTYC_KICH1, NULL, KEYC_IC, TTYKEY_CTRL },
{ TTYC_KDCH1, NULL, KEYC_DC, TTYKEY_MODIFIER }, { TTYC_KDCH1, NULL, KEYC_DC, TTYKEY_CTRL },
{ TTYC_KHOME, NULL, KEYC_HOME, TTYKEY_MODIFIER }, { TTYC_KHOME, NULL, KEYC_HOME, TTYKEY_CTRL },
{ TTYC_KEND, NULL, KEYC_END, TTYKEY_MODIFIER }, { TTYC_KEND, NULL, KEYC_END, TTYKEY_CTRL },
{ TTYC_KNP, NULL, KEYC_NPAGE, TTYKEY_MODIFIER }, { TTYC_KNP, NULL, KEYC_NPAGE, TTYKEY_CTRL },
{ TTYC_KPP, NULL, KEYC_PPAGE, TTYKEY_MODIFIER }, { TTYC_KPP, NULL, KEYC_PPAGE, TTYKEY_CTRL },
{ TTYC_KCBT, NULL, KEYC_BTAB, TTYKEY_MODIFIER }, { TTYC_KCBT, NULL, KEYC_BTAB, TTYKEY_CTRL },
/* Arrow keys. */ /* Arrow keys. */
{ 0, "\033OA", KEYC_UP, TTYKEY_RAW }, { 0, "\033OA", KEYC_UP, TTYKEY_RAW },
@ -70,16 +71,15 @@ struct tty_key_ent tty_keys[] = {
{ 0, "\033Ob", KEYC_ADDCTL(KEYC_DOWN), TTYKEY_RAW }, { 0, "\033Ob", KEYC_ADDCTL(KEYC_DOWN), TTYKEY_RAW },
{ 0, "\033Oc", KEYC_ADDCTL(KEYC_RIGHT), TTYKEY_RAW }, { 0, "\033Oc", KEYC_ADDCTL(KEYC_RIGHT), TTYKEY_RAW },
{ 0, "\033Od", KEYC_ADDCTL(KEYC_LEFT), TTYKEY_RAW }, { 0, "\033Od", KEYC_ADDCTL(KEYC_LEFT), TTYKEY_RAW },
{ 0, "\033[a", KEYC_ADDSFT(KEYC_UP), TTYKEY_RAW }, { 0, "\033[a", KEYC_ADDSFT(KEYC_UP), TTYKEY_RAW },
{ 0, "\033[b", KEYC_ADDSFT(KEYC_DOWN), TTYKEY_RAW }, { 0, "\033[b", KEYC_ADDSFT(KEYC_DOWN), TTYKEY_RAW },
{ 0, "\033[c", KEYC_ADDSFT(KEYC_RIGHT), TTYKEY_RAW }, { 0, "\033[c", KEYC_ADDSFT(KEYC_RIGHT), TTYKEY_RAW },
{ 0, "\033[d", KEYC_ADDSFT(KEYC_LEFT), TTYKEY_RAW }, { 0, "\033[d", KEYC_ADDSFT(KEYC_LEFT), TTYKEY_RAW },
{ TTYC_KCUU1, NULL, KEYC_UP, TTYKEY_MODIFIER }, { TTYC_KCUU1, NULL, KEYC_UP, TTYKEY_CTRL },
{ TTYC_KCUD1, NULL, KEYC_DOWN, TTYKEY_MODIFIER }, { TTYC_KCUD1, NULL, KEYC_DOWN, TTYKEY_CTRL },
{ TTYC_KCUB1, NULL, KEYC_LEFT, TTYKEY_MODIFIER }, { TTYC_KCUB1, NULL, KEYC_LEFT, TTYKEY_CTRL },
{ TTYC_KCUF1, NULL, KEYC_RIGHT, TTYKEY_MODIFIER }, { TTYC_KCUF1, NULL, KEYC_RIGHT, TTYKEY_CTRL },
/* /*
* Numeric keypad. termcap and terminfo are totally confusing for this. * Numeric keypad. termcap and terminfo are totally confusing for this.
@ -161,7 +161,7 @@ tty_keys_init(struct tty *tty)
} }
tty_keys_add(tty, s + 1, tke->key, tke->flags); tty_keys_add(tty, s + 1, tke->key, tke->flags);
if (tke->flags & TTYKEY_MODIFIER) { if (tke->flags & TTYKEY_CTRL) {
if (strlcpy(tmp, s, sizeof tmp) >= sizeof tmp) if (strlcpy(tmp, s, sizeof tmp) >= sizeof tmp)
continue; continue;
tmp[strlen(tmp) - 1] ^= 0x20; tmp[strlen(tmp) - 1] ^= 0x20;
@ -204,6 +204,7 @@ tty_keys_find(struct tty *tty, char *buf, size_t len, size_t *size)
tl.string = s; tl.string = s;
tk = RB_FIND(tty_keys, &tty->ktree, &tl); tk = RB_FIND(tty_keys, &tty->ktree, &tl);
if (tk != NULL) { if (tk != NULL) {
log_debug2("got key: 0x%x", tk->key);
xfree(s); xfree(s);
return (tk); return (tk);
} }
@ -218,7 +219,7 @@ tty_keys_next(struct tty *tty, int *key)
{ {
struct tty_key *tk; struct tty_key *tk;
struct timeval tv; struct timeval tv;
char arg, *buf, tmp[32]; char *buf;
size_t len, size; size_t len, size;
buf = BUFFER_OUT(tty->in); buf = BUFFER_OUT(tty->in);
@ -243,54 +244,12 @@ tty_keys_next(struct tty *tty, int *key)
return (0); return (0);
} }
/* Not found. Look xterm-style function keys with an argument. */ /* Not found. Try to parse xterm-type arguments. */
if (len < sizeof tmp && len > 4 && buf[len - 3] == ';') { if ((*key = tty_keys_parse_xterm(tty, buf, len, &size)) != KEYC_NONE) {
memcpy(tmp, buf, len); buffer_remove(tty->in, size);
log_debug("xterm key in: %s", tmp);
arg = tmp[len - 2];
tmp[3] = tmp[len - 1]; /* move last */
tmp[4] = '\0';
log_debug("xterm key out: %s", tmp);
log_debug("argument is: %c", arg);
tk = tty_keys_find(tty, tmp + 1, len - 3, &size);
if (tk != NULL) {
*key = tk->key;
buffer_remove(tty->in, size + 3);
switch (arg) {
case '8':
*key = KEYC_ADDSFT(*key);
*key = KEYC_ADDESC(*key);
*key = KEYC_ADDCTL(*key);
break;
case '7':
*key = KEYC_ADDESC(*key);
*key = KEYC_ADDCTL(*key);
break;
case '6':
*key = KEYC_ADDSFT(*key);
*key = KEYC_ADDCTL(*key);
break;
case '5':
*key = KEYC_ADDCTL(*key);
break;
case '4':
*key = KEYC_ADDSFT(*key);
*key = KEYC_ADDESC(*key);
break;
case '3':
*key = KEYC_ADDESC(*key);
break;
case '2':
*key = KEYC_ADDSFT(*key);
break;
}
tty->flags &= ~TTY_ESCAPE; tty->flags &= ~TTY_ESCAPE;
return (0); return (0);
} }
}
/* Escape but no key string. If the timer isn't started, start it. */ /* Escape but no key string. If the timer isn't started, start it. */
if (!(tty->flags & TTY_ESCAPE)) { if (!(tty->flags & TTY_ESCAPE)) {
@ -341,3 +300,73 @@ tty_keys_next(struct tty *tty, int *key)
buffer_remove(tty->in, 1); buffer_remove(tty->in, 1);
return (0); return (0);
} }
int
tty_keys_parse_xterm(struct tty *tty, char *buf, size_t len, size_t *size)
{
struct tty_key *tk;
char tmp[5];
size_t tmplen;
int key;
/*
* xterm sequences with modifier keys are of the form:
*
* ^[[1;xD becomes ^[[D
* ^[[5;x~ becomes ^[[5~
*
* This function is a bit of a hack. Need to figure out what exact
* format and meaning xterm outputs and fix it. XXX
*/
log_debug("xterm input is: %.*s", (int) len, buf);
if (len != 6 || memcmp(buf, "\033[1;", 4) != 0)
return (KEYC_NONE);
*size = 6;
tmplen = 0;
tmp[tmplen++] = '[';
if (buf[5] == '~') {
tmp[tmplen++] = buf[2];
tmp[tmplen++] = '~';
} else
tmp[tmplen++] = buf[5];
log_debug("xterm output is: %.*s", (int) tmplen, tmp);
tk = tty_keys_find(tty, tmp, tmplen, size);
if (tk == NULL)
return (KEYC_NONE);
key = tk->key;
switch (buf[4]) {
case '8':
key = KEYC_ADDSFT(key);
key = KEYC_ADDESC(key);
key = KEYC_ADDCTL(key);
break;
case '7':
key = KEYC_ADDESC(key);
key = KEYC_ADDCTL(key);
break;
case '6':
key = KEYC_ADDSFT(key);
key = KEYC_ADDCTL(key);
break;
case '5':
key = KEYC_ADDCTL(key);
break;
case '4':
key = KEYC_ADDSFT(key);
key = KEYC_ADDESC(key);
break;
case '3':
key = KEYC_ADDESC(key);
break;
case '2':
key = KEYC_ADDSFT(key);
break;
}
*size = 6;
return (key);
}