Merge branch 'obsd-master'

cmd-new-session.c

@@ -94,26 +94,31 @@ cmd_new_session_exec(struct cmd *self, struct cmdq_item *item)
 		return (CMD_RETURN_ERROR);
 	}
 
-	if (args_has(args, 's')) {
+	tmp = args_get(args, 's');
-		newname = format_single(item, args_get(args, 's'), c, NULL,
+	if (tmp != NULL) {
-		    NULL, NULL);
+		newname = format_single(item, tmp, c, NULL, NULL, NULL);
 		if (!session_check_name(newname)) {
 			cmdq_error(item, "bad session name: %s", newname);
 			goto fail;
 		}
-		if ((as = session_find(newname)) != NULL) {
+	}
 	if (args_has(args, 'A')) {
-				retval = cmd_attach_session(item,
+		if (newname != NULL)
-				    newname, args_has(args, 'D'),
+			as = session_find(newname);
-				    args_has(args, 'X'), 0, NULL,
+		else
+			as = item->target.s;
+		if (as != NULL) {
+			retval = cmd_attach_session(item, as->name,
+			    args_has(args, 'D'), args_has(args, 'X'), 0, NULL,
 			    args_has(args, 'E'));
 			free(newname);
 			return (retval);
 		}
+	}
+	if (newname != NULL && session_find(newname) != NULL) {
 		cmdq_error(item, "duplicate session: %s", newname);
 		goto fail;
 	}
-	}
 
 	/* Is this going to be part of a session group? */
 	group = args_get(args, 't');

input-keys.c

@@ -42,9 +42,6 @@ struct input_key_ent {
 };
 
 static const struct input_key_ent input_keys[] = {
-	/* Backspace key. */
-	{ KEYC_BSPACE,		"\177",		0 },
-
 	/* Paste keys. */
 	{ KEYC_PASTE_START,	"\033[200~",	0 },
 	{ KEYC_PASTE_END,	"\033[201~",	0 },
@@ -179,6 +176,13 @@ input_key(struct window_pane *wp, key_code key, struct mouse_event *m)
 		return;
 	}
 
+	/* Is this backspace? */
+	if ((key & KEYC_MASK_KEY) == KEYC_BSPACE) {
+		key = options_get_number(global_options, "backspace");
+		if (key >= 0x7f)
+			key = '\177';
+	}
+
 	/*
 	 * If this is a normal 7-bit key, just send it, with a leading escape
 	 * if necessary. If it is a UTF-8 key, split it and send it.

key-string.c

@@ -159,7 +159,7 @@ key_string_get_modifiers(const char **string)
 key_code
 key_string_lookup_string(const char *string)
 {
-	static const char	*other = "!#()+,-.0123456789:;<=>?'\r\t";
+	static const char	*other = "!#()+,-.0123456789:;<=>'\r\t";
 	key_code		 key;
 	u_int			 u;
 	key_code		 modifiers;
@@ -196,7 +196,7 @@ key_string_lookup_string(const char *string)
 	/* Is this a standard ASCII key? */
 	if (string[1] == '\0' && (u_char)string[0] <= 127) {
 		key = (u_char)string[0];
-		if (key < 32 || key == 127)
+		if (key < 32)
 			return (KEYC_UNKNOWN);
 	} else {
 		/* Try as a UTF-8 key. */
@@ -226,6 +226,8 @@ key_string_lookup_string(const char *string)
 			key -= 64;
 		else if (key == 32)
 			key = 0;
+		else if (key == '?')
+			key = 127;
 		else if (key == 63)
 			key = KEYC_BSPACE;
 		else
@@ -329,7 +331,7 @@ key_string_lookup_key(key_code key)
 	}
 
 	/* Invalid keys are errors. */
-	if (key == 127 || key > 255) {
+	if (key > 255) {
 		snprintf(out, sizeof out, "Invalid#%llx", key);
 		return (out);
 	}
@@ -343,7 +345,9 @@ key_string_lookup_key(key_code key)
 	} else if (key >= 32 && key <= 126) {
 		tmp[0] = key;
 		tmp[1] = '\0';
-	} else if (key >= 128)
+	} else if (key == 127)
+		xsnprintf(tmp, sizeof tmp, "C-?");
+	else if (key >= 128)
 		xsnprintf(tmp, sizeof tmp, "\\%llo", key);
 
 	strlcat(out, tmp, sizeof out);

options-table.c

@@ -146,6 +146,12 @@ static const char *options_table_status_format_default[] = {
 /* Top-level options. */
 const struct options_table_entry options_table[] = {
 	/* Server options. */
+	{ .name = "backspace",
+	  .type = OPTIONS_TABLE_KEY,
+	  .scope = OPTIONS_TABLE_SERVER,
+	  .default_num = '\177',
+	},
+
 	{ .name = "buffer-limit",
 	  .type = OPTIONS_TABLE_NUMBER,
 	  .scope = OPTIONS_TABLE_SERVER,

spawn.c

@@ -215,6 +215,7 @@ spawn_pane(struct spawn_context *sc, char **cause)
 	u_int			  hlimit;
 	struct winsize		  ws;
 	sigset_t		  set, oldset;
+	key_code		  key;
 
 	spawn_log(__func__, sc);
 
@@ -376,13 +377,17 @@ spawn_pane(struct spawn_context *sc, char **cause)
 
 	/*
 	 * Update terminal escape characters from the session if available and
-	 * force VERASE to tmux's \177.
+	 * force VERASE to tmux's backspace.
 	 */
 	if (tcgetattr(STDIN_FILENO, &now) != 0)
 		_exit(1);
 	if (s->tio != NULL)
 		memcpy(now.c_cc, s->tio->c_cc, sizeof now.c_cc);
+	key = options_get_number(global_options, "backspace");
+	if (key >= 0x7f)
 		now.c_cc[VERASE] = '\177';
+	else
+		now.c_cc[VERASE] = key;
 	if (tcsetattr(STDIN_FILENO, TCSANOW, &now) != 0)
 		_exit(1);
 

tmux.1

@@ -2930,6 +2930,10 @@ omitted to toggle).
 .Pp
 Available server options are:
 .Bl -tag -width Ds
+.It Ic backspace Ar key
+Set the key sent by
+.Nm
+for backspace.
 .It Ic buffer-limit Ar number
 Set the number of buffers; as new buffers are added to the top of the stack,
 old ones are removed from the bottom if necessary to maintain this maximum

tty.c

@@ -2106,7 +2106,9 @@ tty_cursor(struct tty *tty, u_int cx, u_int cy)
 		if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
 			tty_putcode1(tty, TTYC_HPA, cx);
 			goto out;
-		} else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
+		} else if (change > 0 &&
+		    tty_term_has(term, TTYC_CUB) &&
+		    !tty_use_margin(tty)) {
 			if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
 				tty_putcode(tty, TTYC_CUB1);
 				tty_putcode(tty, TTYC_CUB1);
@@ -2114,7 +2116,9 @@ tty_cursor(struct tty *tty, u_int cx, u_int cy)
 			}
 			tty_putcode1(tty, TTYC_CUB, change);
 			goto out;
-		} else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
+		} else if (change < 0 &&
+		    tty_term_has(term, TTYC_CUF) &&
+		    !tty_use_margin(tty)) {
 			tty_putcode1(tty, TTYC_CUF, -change);
 			goto out;
 		}