From 4428987e955da1c56d1fcd98d2130f6a02738f1a Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Wed, 28 Jan 2009 19:52:21 +0000
Subject: * Better support for at least the most common variant of mouse input:
 parse it and adjust for different panes. Also support mouse in window/session
 choice mode. * Bring back the fancy window titles with session/window names:
 it is easy to work around problems with elinks (see FAQ).

---
 tty-keys.c | 41 ++++++++++++++++++++++++++++++++++++++---
 1 file changed, 38 insertions(+), 3 deletions(-)

(limited to 'tty-keys.c')

diff --git a/tty-keys.c b/tty-keys.c
index 6e57462a..062be838 100644
--- a/tty-keys.c
+++ b/tty-keys.c
@@ -1,4 +1,4 @@
-/* $Id: tty-keys.c,v 1.20 2009-01-12 22:48:00 nicm Exp $ */
+/* $Id: tty-keys.c,v 1.21 2009-01-28 19:52:21 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -25,6 +25,7 @@
 
 void	tty_keys_add(struct tty *, const char *, int, int);
 int	tty_keys_parse_xterm(struct tty *, char *, size_t, size_t *);
+int	tty_keys_parse_mouse(struct tty *, char *, size_t, size_t *, u_char *);
 
 struct tty_key_ent {
 	enum tty_code_code	code;
@@ -215,7 +216,7 @@ tty_keys_find(struct tty *tty, char *buf, size_t len, size_t *size)
 }
 
 int
-tty_keys_next(struct tty *tty, int *key)
+tty_keys_next(struct tty *tty, int *key, u_char *mouse)
 {
 	struct tty_key	*tk;
 	struct timeval	 tv;
@@ -244,9 +245,20 @@ tty_keys_next(struct tty *tty, int *key)
 		return (0);
 	}
 
+	/* Not found. Is this a mouse key press? */
+	*key = tty_keys_parse_mouse(tty, buf, len, &size, mouse);
+	if (*key != KEYC_NONE) {
+		buffer_remove(tty->in, size);
+
+		tty->flags &= ~TTY_ESCAPE;
+		return (0);
+	}
+
 	/* Not found. Try to parse xterm-type arguments. */
-	if ((*key = tty_keys_parse_xterm(tty, buf, len, &size)) != KEYC_NONE) {
+	*key = tty_keys_parse_xterm(tty, buf, len, &size);
+	if (*key != KEYC_NONE) {
 		buffer_remove(tty->in, size);
+
 		tty->flags &= ~TTY_ESCAPE;
 		return (0);
 	}
@@ -301,6 +313,29 @@ tty_keys_next(struct tty *tty, int *key)
 	return (0);
 }
 
+int
+tty_keys_parse_mouse(
+    unused struct tty *tty, char *buf, size_t len, size_t *size, u_char *mouse)
+{
+	/*
+	 * Mouse sequences are \033[M followed by three characters indicating
+	 * buttons, X and Y, all based at 32 with 1,1 top-left.
+	 */
+
+	log_debug("mouse input is: %.*s", (int) len, buf);
+	if (len != 6 || memcmp(buf, "\033[M", 3) != 0)
+		return (KEYC_NONE);
+	*size = 6;
+	
+	if (buf[3] < 32 || buf[4] < 33 || buf[5] < 33)
+		return (KEYC_NONE);
+
+	mouse[0] = buf[3] - 32;
+	mouse[1] = buf[4] - 33;
+	mouse[2] = buf[5] - 33;
+	return (KEYC_MOUSE);
+}
+
 int
 tty_keys_parse_xterm(struct tty *tty, char *buf, size_t len, size_t *size)
 {
-- 
cgit