Support middle-click paste, based on a diff from Ailin Nemui.

cmd-paste-buffer.c

@@ -31,7 +31,7 @@
 enum cmd_retval	 cmd_paste_buffer_exec(struct cmd *, struct cmd_ctx *);
 
 void	cmd_paste_buffer_filter(struct window_pane *,
-	    const char *, size_t, const char *, int bracket);
+	    const char *, size_t, const char *, int);
 
 const struct cmd_entry cmd_paste_buffer_entry = {
 	"paste-buffer", "pasteb",
@@ -87,9 +87,8 @@ cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
 			else
 				sepstr = "\r";
 		}
-		pflag = args_has(args, 'p') &&
+		pflag = (wp->screen->mode & MODE_BRACKETPASTE);
-		    (wp->screen->mode & MODE_BRACKETPASTE);
+		paste_send_pane(pb, wp, sepstr, args_has(args, 'p') && pflag);
-		cmd_paste_buffer_filter(wp, pb->data, pb->size, sepstr, pflag);
 	}
 
 	/* Delete the buffer if -d. */
@@ -102,30 +101,3 @@ cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
 
 	return (CMD_RETURN_NORMAL);
 }
-
-/* Add bytes to a buffer and filter '\n' according to separator. */
-void
-cmd_paste_buffer_filter(struct window_pane *wp,
-    const char *data, size_t size, const char *sep, int bracket)
-{
-	const char	*end = data + size;
-	const char	*lf;
-	size_t		 seplen;
-
-	if (bracket)
-		bufferevent_write(wp->event, "\033[200~", 6);
-
-	seplen = strlen(sep);
-	while ((lf = memchr(data, '\n', end - data)) != NULL) {
-		if (lf != data)
-			bufferevent_write(wp->event, data, lf - data);
-		bufferevent_write(wp->event, sep, seplen);
-		data = lf + 1;
-	}
-
-	if (end != data)
-		bufferevent_write(wp->event, data, end - data);
-
-	if (bracket)
-		bufferevent_write(wp->event, "\033[201~", 6);
-}

input-keys.c

@@ -204,6 +204,7 @@ input_mouse(struct window_pane *wp, struct session *s, struct mouse_event *m)
 {
 	char			 buf[10];
 	size_t			 len;
+	struct paste_buffer	*pb;
 
 	if (wp->screen->mode & ALL_MOUSE_MODES) {
 		if (wp->screen->mode & MODE_MOUSE_UTF8) {
@@ -223,13 +224,19 @@ input_mouse(struct window_pane *wp, struct session *s, struct mouse_event *m)
 		return;
 	}
 
-	if ((m->xb & 3) != 1 &&
+	if (m->button == 1 && (m->event & MOUSE_EVENT_CLICK) &&
+	    options_get_number(&wp->window->options, "mode-mouse") == 1) {
+		pb = paste_get_top(&global_buffers);
+		if (pb != NULL) {
+			paste_send_pane(pb, wp, "\r",
+			    wp->screen->mode & MODE_BRACKETPASTE);
+		}
+	} else if ((m->xb & 3) != 1 &&
 	    options_get_number(&wp->window->options, "mode-mouse") == 1) {
 		if (window_pane_set_mode(wp, &window_copy_mode) == 0) {
 			window_copy_init_from_pane(wp);
 			if (wp->mode->mouse != NULL)
 				wp->mode->mouse(wp, s, m);
 		}
-		return;
 	}
 }

paste.c

@@ -167,3 +167,29 @@ paste_print(struct paste_buffer *pb, size_t width)
 
 	return (buf);
 }
+
+/* Paste into a window pane, filtering '\n' according to separator. */
+void
+paste_send_pane (struct paste_buffer *pb, struct window_pane *wp,
+    const char *sep, int bracket)
+{
+	const char	*data = pb->data, *end = data + pb->size, *lf;
+	size_t		 seplen;
+
+	if (bracket)
+		bufferevent_write(wp->event, "\033[200~", 6);
+
+	seplen = strlen(sep);
+	while ((lf = memchr(data, '\n', end - data)) != NULL) {
+		if (lf != data)
+			bufferevent_write(wp->event, data, lf - data);
+		bufferevent_write(wp->event, sep, seplen);
+		data = lf + 1;
+	}
+
+	if (end != data)
+		bufferevent_write(wp->event, data, end - data);
+
+	if (bracket)
+		bufferevent_write(wp->event, "\033[201~", 6);
+}

tmux.h

@@ -1682,8 +1682,8 @@ const char	*tty_term_string2(
 		     struct tty_term *, enum tty_code_code, int, int);
 const char	*tty_term_ptr1(
 		     struct tty_term *, enum tty_code_code, const void *);
-const char	*tty_term_ptr2(
+const char	*tty_term_ptr2(struct tty_term *, enum tty_code_code,
-		     struct tty_term *, enum tty_code_code, const void *, const void *);
+		     const void *, const void *);
 int		 tty_term_number(struct tty_term *, enum tty_code_code);
 int		 tty_term_flag(struct tty_term *, enum tty_code_code);
 
@@ -1704,6 +1704,9 @@ int		 paste_free_index(struct paste_stack *, u_int);
 void		 paste_add(struct paste_stack *, char *, size_t, u_int);
 int		 paste_replace(struct paste_stack *, u_int, char *, size_t);
 char		*paste_print(struct paste_buffer *, size_t);
+void		 paste_send_pane(struct paste_buffer *, struct window_pane *,
+		     const char *, int);
+
 
 /* clock.c */
 extern const char clock_table[14][5][5];
@@ -1906,7 +1909,7 @@ void	 server_unlink_window(struct session *, struct winlink *);
 void	 server_destroy_pane(struct window_pane *);
 void	 server_destroy_session_group(struct session *);
 void	 server_destroy_session(struct session *);
-void	 server_check_unattached (void);
+void	 server_check_unattached(void);
 void	 server_set_identify(struct client *);
 void	 server_clear_identify(struct client *);
 void	 server_update_event(struct client *);