New lock-client and lock-session commands to lock an individual client or all

clients attached to a session respectively.

Makefile

@@ -12,7 +12,8 @@ SRCS=	attributes.c buffer-poll.c buffer.c cfg.c client-fn.c \
 	cmd-last-window.c cmd-link-window.c cmd-list-buffers.c \
 	cmd-list-clients.c cmd-list-commands.c cmd-list-keys.c \
 	cmd-list-sessions.c cmd-list-windows.c cmd-list.c cmd-load-buffer.c \
-	cmd-lock-server.c cmd-move-window.c cmd-new-session.c cmd-new-window.c \
+	cmd-lock-server.c cmd-lock-client.c cmd-lock-session.c \
+	cmd-move-window.c cmd-new-session.c cmd-new-window.c \
 	cmd-next-layout.c cmd-next-window.c cmd-paste-buffer.c \
 	cmd-previous-layout.c cmd-previous-window.c cmd-refresh-client.c \
 	cmd-rename-session.c cmd-rename-window.c cmd-resize-pane.c \

cmd-lock-client.c

@@ -0,0 +1,53 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include "tmux.h"
+
+/*
+ * Lock a single client.
+ */
+
+int	cmd_lock_client_exec(struct cmd *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_lock_client_entry = {
+	"lock-client", "lockc",
+	CMD_TARGET_CLIENT_USAGE,
+	0, 0,
+	cmd_target_init,
+	cmd_target_parse,
+	cmd_lock_client_exec,
+	cmd_target_free,
+	cmd_target_print
+};
+
+int
+cmd_lock_client_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+	struct cmd_target_data	*data = self->data;
+	struct client		*c;
+
+	if ((c = cmd_find_client(ctx, data->target)) == NULL)
+		return (-1);
+
+	server_lock_client(c);
+	recalculate_sizes();
+
+	return (0);
+}

cmd-lock-session.c

@@ -0,0 +1,53 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include "tmux.h"
+
+/*
+ * Lock all clients attached to a session.
+ */
+
+int	cmd_lock_session_exec(struct cmd *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_lock_session_entry = {
+	"lock-session", "locks",
+	CMD_TARGET_SESSION_USAGE,
+	0, 0,
+	cmd_target_init,
+	cmd_target_parse,
+	cmd_lock_session_exec,
+	cmd_target_free,
+	cmd_target_print
+};
+
+int
+cmd_lock_session_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+	struct cmd_target_data	*data = self->data;
+	struct session		*s;
+
+	if ((s = cmd_find_session(ctx, data->target)) == NULL)
+		return (-1);
+
+	server_lock_session(s);
+	recalculate_sizes();
+
+	return (0);
+}

cmd.c

@@ -61,7 +61,9 @@ const struct cmd_entry *cmd_table[] = {
 	&cmd_list_sessions_entry,
 	&cmd_list_windows_entry,
 	&cmd_load_buffer_entry,
+	&cmd_lock_client_entry,
 	&cmd_lock_server_entry,
+	&cmd_lock_session_entry,
 	&cmd_move_window_entry,
 	&cmd_new_session_entry,
 	&cmd_new_window_entry,

server-fn.c

@@ -157,10 +157,8 @@ server_status_window(struct window *w)
 void
 server_lock(void)
 {
-	struct client		*c;
-	const char		*cmd;
-	struct msg_lock_data	 lockdata;
-	u_int			 i;
+	struct client	*c;
+	u_int		 i;
 
 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 		c = ARRAY_ITEM(&clients, i);
@@ -168,21 +166,46 @@ server_lock(void)
 			continue;
 		if (c->flags & CLIENT_SUSPENDED)
 			continue;
-
-		cmd = options_get_string(&c->session->options, "lock-command");
-		if (strlcpy(lockdata.cmd, 
-		    cmd, sizeof lockdata.cmd) >= sizeof lockdata.cmd)
-			continue;
-
-		tty_stop_tty(&c->tty);
-		tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_SMCUP));
-		tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_CLEAR));
-
-		c->flags |= CLIENT_SUSPENDED;
-		server_write_client(c, MSG_LOCK, &lockdata, sizeof lockdata);
+		server_lock_client(c);
 	}
 }
 
+void
+server_lock_session(struct session *s)
+{
+	struct client	*c;
+	u_int		 i;
+
+	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
+		c = ARRAY_ITEM(&clients, i);
+		if (c == NULL || c->session == NULL || c->session != s)
+			continue;
+		if (c->flags & CLIENT_SUSPENDED)
+			continue;
+		server_lock_client(c);
+	}	
+}
+
+void
+server_lock_client(struct client *c)
+{
+	const char		*cmd;
+	size_t			 cmdlen;
+	struct msg_lock_data	 lockdata;
+
+	cmd = options_get_string(&c->session->options, "lock-command");
+	cmdlen = strlcpy(lockdata.cmd, cmd, sizeof lockdata.cmd);
+	if (cmdlen >= sizeof lockdata.cmd)
+		return;
+      
+	tty_stop_tty(&c->tty);
+	tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_SMCUP));
+	tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_CLEAR));
+
+	c->flags |= CLIENT_SUSPENDED;
+	server_write_client(c, MSG_LOCK, &lockdata, sizeof lockdata);
+}
+
 void
 server_kill_window(struct window *w)
 {

tmux.1

@@ -392,6 +392,19 @@ List the syntax of all commands supported by
 .It Ic list-sessions
 .D1 (alias: Ic ls )
 List all sessions managed by the server.
+.It Xo Ic lock-client
+.Op Fl t Ar target-client
+.Xc
+Lock
+.Ar target-client ,
+see the
+.Ic lock-server
+command.
+.It Xo Ic lock-session
+.Op Fl t Ar target-session
+.Xc
+Lock all clients attached to
+.Ar target-session .
 .It Xo Ic new-session
 .Op Fl d
 .Op Fl n Ar window-name

tmux.h

@@ -1326,7 +1326,9 @@ extern const struct cmd_entry cmd_list_keys_entry;
 extern const struct cmd_entry cmd_list_sessions_entry;
 extern const struct cmd_entry cmd_list_windows_entry;
 extern const struct cmd_entry cmd_load_buffer_entry;
+extern const struct cmd_entry cmd_lock_client_entry;
 extern const struct cmd_entry cmd_lock_server_entry;
+extern const struct cmd_entry cmd_lock_session_entry;
 extern const struct cmd_entry cmd_move_window_entry;
 extern const struct cmd_entry cmd_new_session_entry;
 extern const struct cmd_entry cmd_new_window_entry;
@@ -1457,6 +1459,8 @@ void	 server_status_session(struct session *);
 void	 server_redraw_window(struct window *);
 void	 server_status_window(struct window *);
 void	 server_lock(void);
+void	 server_lock_session(struct session *);
+void	 server_lock_client(struct client *);
 int	 server_unlock(const char *);
 void	 server_kill_window(struct window *);
 int	 server_link_window(