Remove the monitor-content option and associated bits and bobs. It's

never worked very well. If there is a big demand for it to return, will
consider better ways to do it.

format.c

@@ -487,8 +487,6 @@ format_winlink(struct format_tree *ft, struct session *s, struct winlink *wl)
 
 	format_add(ft, "window_bell_flag", "%u",
 	    !!(wl->flags & WINLINK_BELL));
-	format_add(ft, "window_content_flag", "%u",
-	    !!(wl->flags & WINLINK_CONTENT));
 	format_add(ft, "window_activity_flag", "%u",
 	    !!(wl->flags & WINLINK_ACTIVITY));
 	format_add(ft, "window_silence_flag", "%u",

options-table.c

@@ -491,11 +491,6 @@ const struct options_table_entry session_options_table[] = {
 	  .default_num = 0
 	},
 
-	{ .name = "visual-content",
-	  .type = OPTIONS_TABLE_FLAG,
-	  .default_num = 0
-	},
-
 	{ .name = "visual-silence",
 	  .type = OPTIONS_TABLE_FLAG,
 	  .default_num = 0
@@ -629,11 +624,6 @@ const struct options_table_entry window_options_table[] = {
 	  .default_num = 0
 	},
 
-	{ .name = "monitor-content",
-	  .type = OPTIONS_TABLE_STRING,
-	  .default_str = ""
-	},
-
 	{ .name = "monitor-silence",
 	  .type = OPTIONS_TABLE_NUMBER,
 	  .minimum = 0,
@@ -735,29 +725,6 @@ const struct options_table_entry window_options_table[] = {
 	  .style = "window-status-style"
 	},
 
-	{ .name = "window-status-content-attr",
-	  .type = OPTIONS_TABLE_ATTRIBUTES,
-	  .default_num = GRID_ATTR_REVERSE,
-	  .style = "window-status-content-style"
-	},
-
-	{ .name = "window-status-content-bg",
-	  .type = OPTIONS_TABLE_COLOUR,
-	  .default_num = 8,
-	  .style = "window-status-content-style"
-	},
-
-	{ .name = "window-status-content-fg",
-	  .type = OPTIONS_TABLE_COLOUR,
-	  .default_num = 8,
-	  .style = "window-status-content-style"
-	},
-
-	{ .name = "window-status-content-style",
-	  .type = OPTIONS_TABLE_STYLE,
-	  .default_str = "reverse"
-	},
-
 	{ .name = "window-status-current-attr",
 	  .type = OPTIONS_TABLE_ATTRIBUTES,
 	  .default_num = 0,

server-window.c

@@ -27,19 +27,16 @@
 int	server_window_check_bell(struct session *, struct winlink *);
 int	server_window_check_activity(struct session *, struct winlink *);
 int	server_window_check_silence(struct session *, struct winlink *);
-int	server_window_check_content(
-	    struct session *, struct winlink *, struct window_pane *);
 void	ring_bell(struct session *);
 
 /* Window functions that need to happen every loop. */
 void
 server_window_loop(void)
 {
-	struct window		*w;
+	struct window	*w;
-	struct winlink		*wl;
+	struct winlink	*wl;
-	struct window_pane	*wp;
+	struct session	*s;
-	struct session		*s;
+	u_int		 i;
-	u_int		 	 i;
 
 	for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
 		w = ARRAY_ITEM(&windows, i);
@@ -55,8 +52,6 @@ server_window_loop(void)
 			    server_window_check_activity(s, wl) ||
 			    server_window_check_silence(s, wl))
 				server_status_session(s);
-			TAILQ_FOREACH(wp, &w->panes, entry)
-				server_window_check_content(s, wl, wp);
 		}
 	}
 }
@@ -187,48 +182,6 @@ server_window_check_silence(struct session *s, struct winlink *wl)
 	return (1);
 }
 
-/* Check for content change in window. */
-int
-server_window_check_content(
-    struct session *s, struct winlink *wl, struct window_pane *wp)
-{
-	struct client	*c;
-	struct window	*w = wl->window;
-	u_int		 i;
-	char		*found, *ptr;
-
-	/* Activity flag must be set for new content. */
-	if (s->curw->window == w)
-		w->flags &= ~WINDOW_ACTIVITY;
-
-	if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_CONTENT)
-		return (0);
-	if (s->curw == wl && !(s->flags & SESSION_UNATTACHED))
-		return (0);
-
-	ptr = options_get_string(&w->options, "monitor-content");
-	if (ptr == NULL || *ptr == '\0')
-		return (0);
-	if ((found = window_pane_search(wp, ptr, NULL)) == NULL)
-		return (0);
-	free(found);
-
-	if (options_get_number(&s->options, "bell-on-alert"))
-		ring_bell(s);
-	wl->flags |= WINLINK_CONTENT;
-
-	if (options_get_number(&s->options, "visual-content")) {
-		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
-			c = ARRAY_ITEM(&clients, i);
-			if (c == NULL || c->session != s)
-				continue;
-			status_message_set(c, "Content in window %u", wl->idx);
-		}
-	}
-
-	return (1);
-}
-
 /* Ring terminal bell. */
 void
 ring_bell(struct session *s)

status.c

@@ -638,8 +638,6 @@ status_print(
 
 	if (wl->flags & WINLINK_BELL)
 		style_apply_update(gc, oo, "window-status-bell-style");
-	else if (wl->flags & WINLINK_CONTENT)
-		style_apply_update(gc, oo, "window-status-content-style");
 	else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
 		style_apply_update(gc, oo, "window-status-activity-style");
 

tmux.1

@@ -2644,15 +2644,6 @@ through to the terminal (which normally makes a sound).
 Also see the
 .Ic bell-action
 option.
-.It Xo Ic visual-content
-.Op Ic on | off
-.Xc
-Like
-.Ic visual-activity ,
-display a message when content is present in a window
-for which the
-.Ic monitor-content
-window option is enabled.
 .It Xo Ic visual-silence
 .Op Ic on | off
 .Xc
@@ -2834,14 +2825,6 @@ option.
 Monitor for activity in the window.
 Windows with activity are highlighted in the status line.
 .Pp
-.It Ic monitor-content Ar match-string
-Monitor content in the window.
-When
-.Xr fnmatch 3
-pattern
-.Ar match-string
-appears in the window, it is highlighted in the status line.
-.Pp
 .It Xo Ic monitor-silence
 .Op Ic interval
 .Xc
@@ -2914,14 +2897,6 @@ see the
 .Ic message-command-style
 option.
 .Pp
-.It Ic window-status-content-style Ar style
-Set status line style for windows with a content alert.
-For how to specify
-.Ar style ,
-see the
-.Ic message-command-style
-option.
-.Pp
 .It Ic window-status-current-format Ar string
 Like
 .Ar window-status-format ,
@@ -3124,7 +3099,6 @@ The following variables are available, where appropriate:
 .It Li "window_active" Ta "" Ta "1 if window active"
 .It Li "window_activity_flag" Ta "" Ta "1 if window has activity alert"
 .It Li "window_bell_flag" Ta "" Ta "1 if window has bell"
-.It Li "window_content_flag" Ta "" Ta "1 if window has content alert"
 .It Li "window_find_matches" Ta "" Ta "Matched data from the find-window"
 .It Li "window_flags" Ta "#F" Ta "Window flags"
 .It Li "window_height" Ta "" Ta "Height of window"
@@ -3286,18 +3260,15 @@ The flag is one of the following symbols appended to the window name:
 .It Li "-" Ta "Marks the last window (previously selected)."
 .It Li "#" Ta "Window is monitored and activity has been detected."
 .It Li "!" Ta "A bell has occurred in the window."
-.It Li "+" Ta "Window is monitored for content and it has appeared."
 .It Li "~" Ta "The window has been silent for the monitor-silence interval."
 .It Li "Z" Ta "The window's active pane is zoomed."
 .El
 .Pp
 The # symbol relates to the
 .Ic monitor-activity
-and + to the
+window option.
-.Ic monitor-content
-window options.
 The window name is printed in inverted colours if an alert (bell, activity or
-content) is present.
+silence) is present.
 .Pp
 The colour and attributes of the status line may be configured, the entire
 status line using the

tmux.h

@@ -990,10 +990,8 @@ struct winlink {
 	int              flags;
 #define WINLINK_BELL 0x1
 #define WINLINK_ACTIVITY 0x2
-#define WINLINK_CONTENT 0x4
+#define WINLINK_SILENCE 0x4
-#define WINLINK_SILENCE 0x8
+#define WINLINK_ALERTFLAGS (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_SILENCE)
-#define WINLINK_ALERTFLAGS \
-    (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_CONTENT|WINLINK_SILENCE)
 
 	RB_ENTRY(winlink) entry;
 	TAILQ_ENTRY(winlink) sentry;

window.c

@@ -699,8 +699,6 @@ window_printable_flags(struct session *s, struct winlink *wl)
 		flags[pos++] = '#';
 	if (wl->flags & WINLINK_BELL)
 		flags[pos++] = '!';
-	if (wl->flags & WINLINK_CONTENT)
-		flags[pos++] = '+';
 	if (wl->flags & WINLINK_SILENCE)
 		flags[pos++] = '~';
 	if (wl == s->curw)