Support keypad. Change cursor key output.

CHANGES

@@ -1,3 +1,11 @@
+24 July 2008
+
+* Support the numeric keypad. This is really confusing: parts of it have termcap
+  entries and parts do not. I'm not sure I've got it right but this seems to
+  work.
+* Change arrow keys from \033OA to \033[A to match screen's behaviour rather
+  than its termcap.
+
 19 July 2008
 
 * Unbreak "set status" - tmux thought it was ambiguous, reported by rivo nurges.
@@ -614,4 +622,4 @@
   (including mutt, emacs). No status bar yet and no key remapping or other
   customisation.
 
-$Id: CHANGES,v 1.150 2008-07-19 10:07:50 nicm Exp $
+$Id: CHANGES,v 1.151 2008-07-23 23:44:50 nicm Exp $

TODO

@@ -36,9 +36,6 @@
 - split clients into three RB trees by fd: attached/unattached/dead?
   or tailqs? what would be fastest per-char?
 - window splitting?
-- why do up/down work in angband with screen but not tmux??
-	-- it's not kkeypad/kcursor
-- fix kkeypad/kcursor
 - c/p is still borken in some ways
 - poll(2) is broken on OS X/Darwin, a workaround for this would be nice
 - different screen model? layers perhaps? hmm
@@ -46,6 +43,8 @@
 - better mode features: search, back word, forward word, etc
 - flags to centre screen in window
 - get rid of DEFDATA etc
+- better terminal emulation (identify, insert mode, some other bits)
+- should we support kkeypad? looks like screen doesn't. what is kcursor?
 
 -- For 0.5 --------------------------------------------------------------------
 

input-keys.c

@@ -1,4 +1,4 @@
-/* $Id: input-keys.c,v 1.10 2008-06-25 07:30:08 nicm Exp $ */
+/* $Id: input-keys.c,v 1.11 2008-07-23 23:44:50 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -28,13 +28,7 @@ struct {
 	int		 key;
 	const char	*data;
 } input_keys[] = {
-/*	{ KEYC_BACKSPACE, "\010" }, */
-
-	{ KEYC_DC,     "\033[3~" },
 	{ KEYC_F1,     "\033OP" },
-	{ KEYC_F10,    "\033[21~" },
-	{ KEYC_F11,    "\033[23~" },
-	{ KEYC_F12,    "\033[24~" },
 	{ KEYC_F2,     "\033OQ" },
 	{ KEYC_F3,     "\033OR" },
 	{ KEYC_F4,     "\033OS" },
@@ -43,22 +37,37 @@ struct {
 	{ KEYC_F7,     "\033[18~" },
 	{ KEYC_F8,     "\033[19~" },
 	{ KEYC_F9,     "\033[20~" },
+	{ KEYC_F10,    "\033[21~" },
+	{ KEYC_F11,    "\033[23~" },
+	{ KEYC_F12,    "\033[24~" },
 	{ KEYC_FIND,   "\033[1~" },
+	{ KEYC_DC,     "\033[3~" },
 	{ KEYC_IC,     "\033[2~" },
 	{ KEYC_NPAGE,  "\033[6~" },
 	{ KEYC_PPAGE,  "\033[5~" },
 	{ KEYC_SELECT, "\033[4~" },
 
-	{ KEYC_UP,     "\033OA" },
+	{ KEYC_UP,     "\033[A" },
-	{ KEYC_DOWN,   "\033OB" },
+	{ KEYC_DOWN,   "\033[B" },
-	{ KEYC_LEFT,   "\033OD" },
+	{ KEYC_LEFT,   "\033[D" },
-	{ KEYC_RIGHT,  "\033OC" },
+	{ KEYC_RIGHT,  "\033[C" },
 
-	{ KEYC_A1,     "\033Ow" },
+	{ KEYC_KP0_1,  "\033Oo" },
-	{ KEYC_A3,     "\033Oy" },
+	{ KEYC_KP0_2,  "\033Oj" },
-	{ KEYC_B2,     "\033Ou" },
+	{ KEYC_KP0_3,  "\033Om" },
-	{ KEYC_C1,     "\033Oq" },
+	{ KEYC_KP1_0,  "\033Ow" },
-	{ KEYC_C3,     "\033Os" }
+	{ KEYC_KP1_1,  "\033Ox" },
+	{ KEYC_KP1_2,  "\033Oy" },
+	{ KEYC_KP1_3,  "\033Ok" },
+	{ KEYC_KP2_0,  "\033Ot" },
+	{ KEYC_KP2_1,  "\033Ou" },
+	{ KEYC_KP2_2,  "\033Ov" },
+	{ KEYC_KP3_0,  "\033Oq" },
+	{ KEYC_KP3_1,  "\033Or" },
+	{ KEYC_KP3_2,  "\033Os" },
+	{ KEYC_KP3_3,  "\033OM" },
+	{ KEYC_KP4_0,  "\033Op" },
+	{ KEYC_KP4_2,  "\033On" },
 };
 #define NINPUTKEYS (sizeof input_keys / sizeof input_keys[0])
 
@@ -80,41 +89,6 @@ input_key(struct window *w, int key)
 		return;
 	}
 
-#ifdef notyetifever
-/* XXX can't we just pass the keypad changes through to tty? */
-	if (!(w->screen->mode & MODE_KKEYPAD)) {
-		switch (key) {
-		case KEYC_A1:
-			buffer_write8(w->out, '9');
-			return;
-		case KEYC_UP:
-			buffer_write8(w->out, '8');
-			return;
-		case KEYC_A3:
-			buffer_write8(w->out, '7');
-			return;
-		case KEYC_LEFT:
-			buffer_write8(w->out, '6');
-			return;
-		case KEYC_B2:
-			buffer_write8(w->out, '5');
-			return;
-		case KEYC_RIGHT:
-			buffer_write8(w->out, '4');
-			return;
-		case KEYC_C1:
-			buffer_write8(w->out, '3');
-			return;
-		case KEYC_DOWN:
-			buffer_write8(w->out, '2');
-			return;
-		case KEYC_C3:
-			buffer_write8(w->out, '1');
-			return;
-		}
-	}
-#endif
-
 	for (i = 0; i < NINPUTKEYS; i++) {
 		if (input_keys[i].key == key)
 			break;

input.c

@@ -1,4 +1,4 @@
-/* $Id: input.c,v 1.50 2008-06-18 19:06:51 nicm Exp $ */
+/* $Id: input.c,v 1.51 2008-07-23 23:44:50 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -557,11 +557,11 @@ input_handle_private_two(u_char ch, struct input_ctx *ictx)
 	switch (ch) {
 	case '=':	/* DECKPAM */
 		screen_write_set_mode(&ictx->ctx, MODE_KKEYPAD);
-		log_debug("kkeypad on");
+		log_debug("kkeypad on (application mode)");
 		break;
-	case '>':	/* DECKPNM*/
+	case '>':	/* DECKPNM */
 		screen_write_clear_mode(&ictx->ctx, MODE_KKEYPAD);
-		log_debug("kkeypad off");
+		log_debug("kkeypad off (number mode)");
 		break;
 	case '7':	/* DECSC */
 		s->saved_cx = s->cx;

key-string.c

@@ -1,4 +1,4 @@
-/* $Id: key-string.c,v 1.6 2008-06-25 20:33:20 nicm Exp $ */
+/* $Id: key-string.c,v 1.7 2008-07-23 23:44:50 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -26,13 +26,13 @@ struct {
 	const char *string;
 	int	 key;
 } key_string_table[] = {
-	{ "A1",		KEYC_A1 },
+/*	{ "A1",		KEYC_A1 }, */
-	{ "A3",		KEYC_A3 },
+/*	{ "A3",		KEYC_A3 }, */
-	{ "B2",		KEYC_B2 },
+/*	{ "B2",		KEYC_B2 }, */
 	{ "BEG",	KEYC_BEG },
 	{ "BTAB",	KEYC_BTAB },
-	{ "C1",		KEYC_C1 },
+/*	{ "C1",		KEYC_C1 }, */
-	{ "C3",		KEYC_C3 },
+/*	{ "C3",		KEYC_C3 }, */
 	{ "CANCEL",	KEYC_CANCEL },
 	{ "CATAB",	KEYC_CATAB },
 	{ "CLEAR",	KEYC_CLEAR },
@@ -46,7 +46,7 @@ struct {
 	{ "DOWN",	KEYC_DOWN},
 	{ "EIC",	KEYC_EIC },
 	{ "END",	KEYC_END },
-	{ "ENTER",	KEYC_ENTER },
+/*	{ "ENTER",	KEYC_ENTER }, */
 	{ "EOL",	KEYC_EOL },
 	{ "EOS",	KEYC_EOS },
 	{ "EXIT",	KEYC_EXIT },
@@ -173,7 +173,25 @@ struct {
 	{ "SUNDO",	KEYC_SUNDO },
 	{ "SUSPEND",	KEYC_SUSPEND },
 	{ "UNDO",	KEYC_UNDO },
-	{ "UP",		KEYC_UP }
+	{ "UP",		KEYC_UP },
+
+	/* Numeric keypad. */
+	{ "KP/", 	KEYC_KP0_1 },
+	{ "KP*",	KEYC_KP0_2 },
+	{ "KP-",	KEYC_KP0_3 },
+	{ "KP7",	KEYC_KP1_0 },
+	{ "KP8",	KEYC_KP1_1 },
+	{ "KP9",	KEYC_KP1_2 },
+	{ "KP+",	KEYC_KP1_3 },
+	{ "KP4",	KEYC_KP2_0 },
+	{ "KP5",	KEYC_KP2_1 },
+	{ "KP6",	KEYC_KP2_2 },
+	{ "KP1",	KEYC_KP3_0 },
+	{ "KP2",	KEYC_KP3_1 },
+	{ "KP3",	KEYC_KP3_2 },
+	{ "KPENTER",	KEYC_KP3_3 },
+	{ "KP0",	KEYC_KP4_0 },
+	{ "KP.",	KEYC_KP4_2 },
 };
 #define NKEYSTRINGS (sizeof key_string_table / sizeof key_string_table[0])
 

screen-write.c

@@ -1,4 +1,4 @@
-/* $Id: screen-write.c,v 1.8 2008-06-18 18:52:44 nicm Exp $ */
+/* $Id: screen-write.c,v 1.9 2008-07-23 23:44:50 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -466,10 +466,6 @@ screen_write_set_mode(struct screen_write_ctx *ctx, int mode)
 
 	if (mode & MODE_INSERT)
 		ctx->write(ctx->data, TTY_INSERTON);
-	if (mode & MODE_KCURSOR)
-		ctx->write(ctx->data, TTY_KCURSORON);
-	if (mode & MODE_KKEYPAD)
-		ctx->write(ctx->data, TTY_KKEYPADON);
 	if (mode & MODE_MOUSE)
 		ctx->write(ctx->data, TTY_MOUSEON);
 }
@@ -487,10 +483,6 @@ screen_write_clear_mode(struct screen_write_ctx *ctx, int mode)
 
 	if (mode & MODE_INSERT)
 		ctx->write(ctx->data, TTY_INSERTOFF);
-	if (mode & MODE_KCURSOR)
-		ctx->write(ctx->data, TTY_KCURSOROFF);
-	if (mode & MODE_KKEYPAD)
-		ctx->write(ctx->data, TTY_KKEYPADOFF);
 	if (mode & MODE_MOUSE)
 		ctx->write(ctx->data, TTY_MOUSEOFF);
 }

tmux.h

@@ -1,4 +1,4 @@
-/* $Id: tmux.h,v 1.175 2008-07-02 21:22:57 nicm Exp $ */
+/* $Id: tmux.h,v 1.176 2008-07-23 23:44:50 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -155,14 +155,14 @@ struct buffer {
 #define KEYC_REMOVEESCAPE(k) ((k) & ~KEYC_ESCAPE)
 #define KEYC_ISESCAPE(k) ((k) != KEYC_NONE && ((k) & KEYC_ESCAPE))
 
-#define KEYC_A1 (KEYC_OFFSET + 0x1)
+/* #define KEYC_A1 (KEYC_OFFSET + 0x1) */
-#define KEYC_A3 (KEYC_OFFSET + 0x2)
+/* #define KEYC_A3 (KEYC_OFFSET + 0x2) */
-#define KEYC_B2 (KEYC_OFFSET + 0x3)
+/* #define KEYC_B2 (KEYC_OFFSET + 0x3) */
 /* #define KEYC_BACKSPACE (KEYC_OFFSET + 0x4) */
 #define KEYC_BEG (KEYC_OFFSET + 0x5)
 #define KEYC_BTAB (KEYC_OFFSET + 0x6)
-#define KEYC_C1 (KEYC_OFFSET + 0x7)
+/* #define KEYC_C1 (KEYC_OFFSET + 0x7) */
-#define KEYC_C3 (KEYC_OFFSET + 0x8)
+/* #define KEYC_C3 (KEYC_OFFSET + 0x8) */
 #define KEYC_CANCEL (KEYC_OFFSET + 0x9)
 #define KEYC_CATAB (KEYC_OFFSET + 0xa)
 #define KEYC_CLEAR (KEYC_OFFSET + 0xb)
@@ -176,7 +176,7 @@ struct buffer {
 #define KEYC_DOWN (KEYC_OFFSET + 0x13)
 #define KEYC_EIC (KEYC_OFFSET + 0x14)
 #define KEYC_END (KEYC_OFFSET + 0x15)
-#define KEYC_ENTER (KEYC_OFFSET + 0x16)
+/* #define KEYC_ENTER (KEYC_OFFSET + 0x16) */
 #define KEYC_EOL (KEYC_OFFSET + 0x17)
 #define KEYC_EOS (KEYC_OFFSET + 0x18)
 #define KEYC_EXIT (KEYC_OFFSET + 0x19)
@@ -306,6 +306,24 @@ struct buffer {
 #define KEYC_UP (KEYC_OFFSET + 0x95)
 #define KEYC_MOUSE (KEYC_OFFSET + 0x96)
 
+/* Numeric keypad. Numbered from top-left, KPY_X. */
+#define KEYC_KP0_1 (KEYC_OFFSET + 0x100)
+#define KEYC_KP0_2 (KEYC_OFFSET + 0x101)
+#define KEYC_KP0_3 (KEYC_OFFSET + 0x102)
+#define KEYC_KP1_0 (KEYC_OFFSET + 0x103)
+#define KEYC_KP1_1 (KEYC_OFFSET + 0x104)
+#define KEYC_KP1_2 (KEYC_OFFSET + 0x105)
+#define KEYC_KP1_3 (KEYC_OFFSET + 0x106)
+#define KEYC_KP2_0 (KEYC_OFFSET + 0x107)
+#define KEYC_KP2_1 (KEYC_OFFSET + 0x108)
+#define KEYC_KP2_2 (KEYC_OFFSET + 0x109)
+#define KEYC_KP3_0 (KEYC_OFFSET + 0x10a)
+#define KEYC_KP3_1 (KEYC_OFFSET + 0x10b)
+#define KEYC_KP3_2 (KEYC_OFFSET + 0x10c)
+#define KEYC_KP3_3 (KEYC_OFFSET + 0x10d)
+#define KEYC_KP4_0 (KEYC_OFFSET + 0x10e)
+#define KEYC_KP4_2 (KEYC_OFFSET + 0x10f)
+
 /* Output codes. */
 #define TTY_CHARACTER 0
 #define TTY_CURSORUP 1
@@ -327,12 +345,8 @@ struct buffer {
 #define TTY_SCROLLREGION 17
 #define TTY_INSERTON 18
 #define TTY_INSERTOFF 19
-#define TTY_KCURSOROFF 20
+#define TTY_MOUSEON 20
-#define TTY_KCURSORON 21
+#define TTY_MOUSEOFF 21 /* XXX merge all on/off into 1 arg? */
-#define TTY_KKEYPADOFF 22
-#define TTY_KKEYPADON 23
-#define TTY_MOUSEON 24
-#define TTY_MOUSEOFF 25 /* XXX merge all on/off into 1 arg? */
 
 /* Message codes. */
 enum hdrtype {

tty-keys.c

@@ -1,4 +1,4 @@
-/* $Id: tty-keys.c,v 1.6 2008-07-23 22:18:06 nicm Exp $ */
+/* $Id: tty-keys.c,v 1.7 2008-07-23 23:44:50 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -27,8 +27,13 @@ struct {
 	const char	*name;
 	int	 	 code;
 } tty_keys[] = {
+/*	{ "ka1",   KEYC_A1 }, */
+/*	{ "ka3",   KEYC_A3 }, */
+/*	{ "kb2",   KEYC_B2 }, */
 /*	{ "kb",	   KEYC_BACKSPACE }, */
 	{ "kBEG",  KEYC_SBEG },
+/*	{ "kc1",   KEYC_C1 }, */
+/*	{ "kc3",   KEYC_C3 }, */
 	{ "kCAN",  KEYC_SCANCEL },
 	{ "kCMD",  KEYC_SCOMMAND },
 	{ "kCPY",  KEYC_SCOPY },
@@ -56,12 +61,7 @@ struct {
 	{ "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 },
@@ -79,7 +79,7 @@ struct {
 	{ "ked",   KEYC_EOS },
 	{ "kel",   KEYC_EOL },
 	{ "kend",  KEYC_END },
-	{ "kent",  KEYC_ENTER },
+/*	{ "kent",  KEYC_ENTER }, */
 	{ "kext",  KEYC_EXIT },
 	{ "kf0",   KEYC_F0 },
 	{ "kf1",   KEYC_F1 },
@@ -177,6 +177,29 @@ struct {
 	{ "ktbc",  KEYC_CATAB },
 	{ "kund",  KEYC_UNDO },
 	{ "pmous", KEYC_MOUSE },
+
+	/*
+	 * Number keypad.
+	 *
+	 * This is totally confusing and I still don't quite understand how it
+	 * all fits together in relation to termcap...
+	 */
+	{ "-\033Oo", KEYC_KP0_1 },
+	{ "-\033Oj", KEYC_KP0_2 },
+	{ "-\033Om", KEYC_KP0_3 },
+	{ "-\033Ow", KEYC_KP1_0 },
+	{ "-\033Ox", KEYC_KP1_1 },
+	{ "-\033Oy", KEYC_KP1_2 },
+	{ "-\033Ok", KEYC_KP1_3 },
+	{ "-\033Ot", KEYC_KP2_0 },
+	{ "-\033Ou", KEYC_KP2_1 },
+	{ "-\033Ov", KEYC_KP2_2 },
+	{ "-\033Oq", KEYC_KP3_0 },
+	{ "-\033Or", KEYC_KP3_1 },
+	{ "-\033Os", KEYC_KP3_2 },
+	{ "-\033OM", KEYC_KP3_3 },
+	{ "-\033Op", KEYC_KP4_0 },
+	{ "-\033On", KEYC_KP4_2 },	
 };
 #define NTTYKEYS (sizeof tty_keys / sizeof tty_keys[0])
 
@@ -195,15 +218,19 @@ tty_keys_init(struct tty *tty)
 {
 	struct tty_key	*tk;
 	u_int		 i;
-	char		*s;
+	const char	*s;
 
 	RB_INIT(&tty->ktree);
 
 	tty->ksize = 0;
 	for (i = 0; i < NTTYKEYS; i++) {
-		s = tigetstr(tty_keys[i].name);
+		if (*tty_keys[i].name == '-')
-		if (s == (char *) -1 || s == (char *) 0)
+			s = tty_keys[i].name + 1;
-			continue;
+		else {
+			s = tigetstr(tty_keys[i].name);
+			if (s == (char *) -1 || s == (char *) 0)
+				continue;
+		}
 		if (s[0] != '\033' || s[1] == '\0')
 			continue;
 

tty.c

@@ -1,4 +1,4 @@
-/* $Id: tty.c,v 1.36 2008-07-02 16:18:24 nicm Exp $ */
+/* $Id: tty.c,v 1.37 2008-07-23 23:44:50 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -570,24 +570,6 @@ tty_vwrite(struct tty *tty, struct screen *s, int cmd, va_list ap)
 		if (exit_insert_mode != NULL)
 			tty_puts(tty, exit_insert_mode);
 		break;
-	case TTY_KCURSOROFF:
-		t = tigetstr("CE");
-		if (t != (char *) 0 && t != (char *) -1)
-			tty_puts(tty, t);
-		break;
-	case TTY_KCURSORON:
-		t = tigetstr("CS");
-		if (t != (char *) 0 && t != (char *) -1)
-			tty_puts(tty, t);
-		break;
-	case TTY_KKEYPADOFF:
-		if (keypad_local != NULL)
-			tty_puts(tty, keypad_local);
-		break;
-	case TTY_KKEYPADON:
-		if (keypad_xmit != NULL)
-			tty_puts(tty, keypad_xmit);
-		break;
 #endif
 	case TTY_MOUSEOFF:
 		if (key_mouse != NULL)