Eliminate duplicate code and ease the passage for server-wide options by adding

a -w flag to set-option and show-options and making setw and showw aliases to
set -w and show -w.

Note: setw and showw are still there, but now aliases for set -w and show -w.

9 files changed, 401 insertions, 506 deletions

diff --git a/Makefile b/Makefile
index b4b0ef56..e5a84a9d 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,7 @@ SRCS=	attributes.c cfg.c client.c clock.c \
 	colour.c environ.c grid-view.c grid-utf8.c grid.c input-keys.c \
 	imsg.c imsg-buffer.c input.c key-bindings.c key-string.c \
 	layout-set.c layout.c log.c job.c \
-	mode-key.c names.c options-cmd.c options.c paste.c procname.c \
+	mode-key.c names.c options.c paste.c procname.c \
 	resize.c screen-redraw.c screen-write.c screen.c session.c status.c \
 	server-fn.c server.c server-client.c server-window.c \
 	tmux.c tty-keys.c tty-term.c tty.c utf8.c \
diff --git a/cmd-set-option.c b/cmd-set-option.c
index 0a06c620..e58ac7d2 100644
--- a/cmd-set-option.c
+++ b/cmd-set-option.c
@@ -29,10 +29,27 @@
 
 int	cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
 
+const char *cmd_set_option_print(
+	    const struct set_option_entry *, struct options_entry *);
+void	cmd_set_option_string(struct cmd_ctx *,
+	    struct options *, const struct set_option_entry *, char *, int);
+void	cmd_set_option_number(struct cmd_ctx *,
+    	    struct options *, const struct set_option_entry *, char *);
+void	cmd_set_option_keys(struct cmd_ctx *,
+    	    struct options *, const struct set_option_entry *, char *);
+void	cmd_set_option_colour(struct cmd_ctx *,
+    	    struct options *, const struct set_option_entry *, char *);
+void	cmd_set_option_attributes(struct cmd_ctx *,
+    	    struct options *, const struct set_option_entry *, char *);
+void	cmd_set_option_flag(struct cmd_ctx *,
+    	    struct options *, const struct set_option_entry *, char *);
+void	cmd_set_option_choice(struct cmd_ctx *,
+    	    struct options *, const struct set_option_entry *, char *);
+
 const struct cmd_entry cmd_set_option_entry = {
 	"set-option", "set",
-	"[-agu] " CMD_TARGET_SESSION_USAGE " option [value]",
-	CMD_ARG12, "agu",
+	"[-aguw] [-t target-session|target-window] option [value]",
+	CMD_ARG12, "aguw",
 	NULL,
 	cmd_target_parse,
 	cmd_set_option_exec,
@@ -40,6 +57,12 @@ const struct cmd_entry cmd_set_option_entry = {
 	cmd_target_print
 };
 
+const char *set_option_mode_keys_list[] = {
+	"emacs", "vi", NULL
+};
+const char *set_option_clock_mode_style_list[] = {
+	"12", "24", NULL
+};
 const char *set_option_status_keys_list[] = {
 	"emacs", "vi", NULL
 };
@@ -49,7 +72,8 @@ const char *set_option_status_justify_list[] = {
 const char *set_option_bell_action_list[] = {
 	"none", "any", "current", NULL
 };
-const struct set_option_entry set_option_table[] = {
+
+const struct set_option_entry set_session_option_table[] = {
 	{ "base-index", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 	{ "bell-action", SET_OPTION_CHOICE, 0, 0, set_option_bell_action_list },
 	{ "buffer-limit", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
@@ -101,11 +125,45 @@ const struct set_option_entry set_option_table[] = {
 	{ NULL, 0, 0, 0, NULL }
 };
 
+const struct set_option_entry set_window_option_table[] = {
+	{ "aggressive-resize", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "automatic-rename", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "clock-mode-colour", SET_OPTION_COLOUR, 0, 0, NULL },
+	{ "clock-mode-style",
+	  SET_OPTION_CHOICE, 0, 0, set_option_clock_mode_style_list },
+	{ "force-height", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
+	{ "force-width", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
+	{ "main-pane-height", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
+	{ "main-pane-width", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
+	{ "mode-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
+	{ "mode-bg", SET_OPTION_COLOUR, 0, 0, NULL },
+	{ "mode-fg", SET_OPTION_COLOUR, 0, 0, NULL },
+	{ "mode-keys", SET_OPTION_CHOICE, 0, 0, set_option_mode_keys_list },
+	{ "mode-mouse", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "monitor-activity", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "monitor-content", SET_OPTION_STRING, 0, 0, NULL },
+	{ "remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "synchronize-panes", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "utf8", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "window-status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
+	{ "window-status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
+	{ "window-status-current-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
+	{ "window-status-current-bg", SET_OPTION_COLOUR, 0, 0, NULL },
+	{ "window-status-current-fg", SET_OPTION_COLOUR, 0, 0, NULL },
+	{ "window-status-current-format", SET_OPTION_STRING, 0, 0, NULL },
+	{ "window-status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
+	{ "window-status-format", SET_OPTION_STRING, 0, 0, NULL },
+	{ "xterm-keys", SET_OPTION_FLAG, 0, 0, NULL },
+	{ NULL, 0, 0, 0, NULL }
+};
+
 int
 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct cmd_target_data		*data = self->data;
+	const struct set_option_entry	*table;
 	struct session			*s;
+	struct winlink			*wl;
 	struct client			*c;
 	struct options			*oo;
 	const struct set_option_entry   *entry, *opt;
@@ -114,12 +172,26 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 	u_int				 i;
 	int				 try_again;
 
-	if (cmd_check_flag(data->chflags, 'g'))
-		oo = &global_s_options;
-	else {
-		if ((s = cmd_find_session(ctx, data->target)) == NULL)
-			return (-1);
-		oo = &s->options;
+	if (cmd_check_flag(data->chflags, 'w')) {
+		table = set_window_option_table;
+		if (cmd_check_flag(data->chflags, 'g'))
+			oo = &global_w_options;
+		else {
+			wl = cmd_find_window(ctx, data->target, NULL);
+			if (wl == NULL)
+				return (-1);
+			oo = &wl->window->options;
+		}
+	} else {
+		table = set_session_option_table;
+		if (cmd_check_flag(data->chflags, 'g'))
+			oo = &global_s_options;
+		else {
+			s = cmd_find_session(ctx, data->target);
+			if (s == NULL)
+				return (-1);
+			oo = &s->options;
+		}
 	}
 
 	if (*data->arg == '\0') {
@@ -128,7 +200,7 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 	}
 
 	entry = NULL;
-	for (opt = set_option_table; opt->name != NULL; opt++) {
+	for (opt = table; opt->name != NULL; opt++) {
 		if (strncmp(opt->name, data->arg, strlen(data->arg)) != 0)
 			continue;
 		if (entry != NULL) {
@@ -163,31 +235,36 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 	} else {
 		switch (entry->type) {
 		case SET_OPTION_STRING:
-			set_option_string(ctx, oo, entry,
+			cmd_set_option_string(ctx, oo, entry,
 			    data->arg2, cmd_check_flag(data->chflags, 'a'));
 			break;
 		case SET_OPTION_NUMBER:
-			set_option_number(ctx, oo, entry, data->arg2);
+			cmd_set_option_number(ctx, oo, entry, data->arg2);
 			break;
 		case SET_OPTION_KEYS:
-			set_option_keys(ctx, oo, entry, data->arg2);
+			cmd_set_option_keys(ctx, oo, entry, data->arg2);
 			break;
 		case SET_OPTION_COLOUR:
-			set_option_colour(ctx, oo, entry, data->arg2);
+			cmd_set_option_colour(ctx, oo, entry, data->arg2);
 			break;
 		case SET_OPTION_ATTRIBUTES:
-			set_option_attributes(ctx, oo, entry, data->arg2);
+			cmd_set_option_attributes(ctx, oo, entry, data->arg2);
 			break;
 		case SET_OPTION_FLAG:
-			set_option_flag(ctx, oo, entry, data->arg2);
+			cmd_set_option_flag(ctx, oo, entry, data->arg2);
 			break;
 		case SET_OPTION_CHOICE:
-			set_option_choice(ctx, oo, entry, data->arg2);
+			cmd_set_option_choice(ctx, oo, entry, data->arg2);
 			break;
 		}
 	}
 
 	recalculate_sizes();
+	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
+		c = ARRAY_ITEM(&clients, i);
+		if (c != NULL && c->session != NULL)
+			server_redraw_client(c);
+	}
 
 	/* 
 	 * Special-case: kill all persistent jobs if status-left, status-right
@@ -196,7 +273,8 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 	 */
 	if (strcmp(entry->name, "status-left") == 0 ||
 	    strcmp(entry->name, "status-right") == 0 ||
-	    strcmp(entry->name, "set-titles-string") == 0) {
+	    strcmp(entry->name, "set-titles-string") == 0 ||
+	    strcmp(entry->name, "window-status-format") == 0) {
 		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 			c = ARRAY_ITEM(&clients, i);
 			if (c == NULL || c->session == NULL)
@@ -222,3 +300,243 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 
 	return (0);
 }
+
+const char *
+cmd_set_option_print(
+    const struct set_option_entry *entry, struct options_entry *o)
+{
+	static char	out[BUFSIZ];
+	const char     *s;
+	struct keylist *keylist;
+	u_int		i;
+
+	*out = '\0';
+	switch (entry->type) {
+		case SET_OPTION_STRING:
+			xsnprintf(out, sizeof out, "\"%s\"", o->str);
+			break;
+		case SET_OPTION_NUMBER:
+			xsnprintf(out, sizeof out, "%lld", o->num);
+			break;
+		case SET_OPTION_KEYS:
+			keylist = o->data;
+			for (i = 0; i < ARRAY_LENGTH(keylist); i++) {
+				strlcat(out, key_string_lookup_key(
+				    ARRAY_ITEM(keylist, i)), sizeof out);
+				if (i != ARRAY_LENGTH(keylist) - 1)
+					strlcat(out, ",", sizeof out);
+			}
+			break;
+		case SET_OPTION_COLOUR:
+			s = colour_tostring(o->num);
+			xsnprintf(out, sizeof out, "%s", s);
+			break;
+		case SET_OPTION_ATTRIBUTES:
+			s = attributes_tostring(o->num);
+			xsnprintf(out, sizeof out, "%s", s);
+			break;
+		case SET_OPTION_FLAG:
+			if (o->num)
+				strlcpy(out, "on", sizeof out);
+			else
+				strlcpy(out, "off", sizeof out);
+			break;
+		case SET_OPTION_CHOICE:
+			s = entry->choices[o->num];
+			xsnprintf(out, sizeof out, "%s", s);
+			break;
+	}
+	return (out);
+}
+
+void
+cmd_set_option_string(struct cmd_ctx *ctx, struct options *oo,
+    const struct set_option_entry *entry, char *value, int append)
+{
+	struct options_entry	*o;
+	char			*oldvalue, *newvalue;
+
+	if (value == NULL) {
+		ctx->error(ctx, "empty value");
+		return;
+	}
+
+	if (append) {
+		oldvalue = options_get_string(oo, entry->name);
+		xasprintf(&newvalue, "%s%s", oldvalue, value);
+	} else
+		newvalue = value;
+		
+	o = options_set_string(oo, entry->name, "%s", newvalue);
+	ctx->info(ctx,
+	    "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
+
+	if (newvalue != value)
+		xfree(newvalue);
+}
+
+void
+cmd_set_option_number(struct cmd_ctx *ctx, struct options *oo,
+    const struct set_option_entry *entry, char *value)
+{
+	struct options_entry	*o;
+	long long		 number;
+	const char     		*errstr;
+
+	if (value == NULL) {
+		ctx->error(ctx, "empty value");
+		return;
+	}
+
+	number = strtonum(value, entry->minimum, entry->maximum, &errstr);
+	if (errstr != NULL) {
+		ctx->error(ctx, "value is %s: %s", errstr, value);
+		return;
+	}
+
+	o = options_set_number(oo, entry->name, number);
+	ctx->info(ctx,
+	    "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
+}
+
+void
+cmd_set_option_keys(struct cmd_ctx *ctx, struct options *oo,
+    const struct set_option_entry *entry, char *value)
+{
+	struct options_entry	*o;
+	struct keylist		*keylist;
+	char			*copyvalue, *ptr, *str;
+	int		 	 key;
+
+	if (value == NULL) {
+		ctx->error(ctx, "empty value");
+		return;
+	}
+
+	keylist = xmalloc(sizeof *keylist);
+	ARRAY_INIT(keylist);
+
+	ptr = copyvalue = xstrdup(value);
+	while ((str = strsep(&ptr, ",")) != NULL) {
+		if ((key = key_string_lookup_string(str)) == KEYC_NONE) {
+			xfree(keylist);
+			ctx->error(ctx, "unknown key: %s", str);
+			xfree(copyvalue);
+			return;
+		}
+		ARRAY_ADD(keylist, key);
+	}
+	xfree(copyvalue);
+
+	o = options_set_data(oo, entry->name, keylist, xfree);
+	ctx->info(ctx,
+	    "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
+}
+
+void
+cmd_set_option_colour(struct cmd_ctx *ctx, struct options *oo,
+    const struct set_option_entry *entry, char *value)
+{
+	struct options_entry	*o;
+	int			 colour;
+
+	if (value == NULL) {
+		ctx->error(ctx, "empty value");
+		return;
+	}
+
+	if ((colour = colour_fromstring(value)) == -1) {
+		ctx->error(ctx, "bad colour: %s", value);
+		return;
+	}
+
+	o = options_set_number(oo, entry->name, colour);
+	ctx->info(ctx,
+	    "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
+}
+
+void
+cmd_set_option_attributes(struct cmd_ctx *ctx, struct options *oo,
+    const struct set_option_entry *entry, char *value)
+{
+	struct options_entry	*o;
+	int			 attr;
+
+	if (value == NULL) {
+		ctx->error(ctx, "empty value");
+		return;
+	}
+
+	if ((attr = attributes_fromstring(value)) == -1) {
+		ctx->error(ctx, "bad attributes: %s", value);
+		return;
+	}
+
+	o = options_set_number(oo, entry->name, attr);
+	ctx->info(ctx,
+	    "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
+}
+
+void
+cmd_set_option_flag(struct cmd_ctx *ctx, struct options *oo,
+    const struct set_option_entry *entry, char *value)
+{
+	struct options_entry	*o;
+	int			 flag;
+
+	if (value == NULL || *value == '\0')
+		flag = !options_get_number(oo, entry->name);
+	else {
+		if ((value[0] == '1' && value[1] == '\0') ||
+		    strcasecmp(value, "on") == 0 ||
+		    strcasecmp(value, "yes") == 0)
+			flag = 1;
+		else if ((value[0] == '0' && value[1] == '\0') ||
+		    strcasecmp(value, "off") == 0 ||
+		    strcasecmp(value, "no") == 0)
+			flag = 0;
+		else {
+			ctx->error(ctx, "bad value: %s", value);
+			return;
+		}
+	}
+
+	o = options_set_number(oo, entry->name, flag);
+	ctx->info(ctx,
+	    "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
+}
+
+void
+cmd_set_option_choice(struct cmd_ctx *ctx, struct options *oo,
+    const struct set_option_entry *entry, char *value)
+{
+	struct options_entry	*o;
+	const char     	       **choicep;
+	int		 	 n, choice = -1;
+
+	if (value == NULL) {
+		ctx->error(ctx, "empty value");
+		return;
+	}
+
+	n = 0;
+	for (choicep = entry->choices; *choicep != NULL; choicep++) {
+		n++;
+		if (strncmp(*choicep, value, strlen(value)) != 0)
+			continue;
+
+		if (choice != -1) {
+			ctx->error(ctx, "ambiguous option value: %s", value);
+			return;
+		}
+		choice = n - 1;
+	}
+	if (choice == -1) {
+		ctx->error(ctx, "unknown option value: %s", value);
+		return;
+	}
+
+	o = options_set_number(oo, entry->name, choice);
+	ctx->info(ctx,
+	    "set option: %s -> %s", o->name, cmd_set_option_print(entry, o));
+}
diff --git a/cmd-set-window-option.c b/cmd-set-window-option.c
index 0ad1025e..559d6485 100644
--- a/cmd-set-window-option.c
+++ b/cmd-set-window-option.c
@@ -18,13 +18,10 @@
 
 #include <sys/types.h>
 
-#include <stdlib.h>
-#include <string.h>
-
 #include "tmux.h"
 
 /*
- * Set a window option.
+ * Set a window option. This is just an alias for set-option -w.
  */
 
 int	cmd_set_window_option_exec(struct cmd *, struct cmd_ctx *);
@@ -40,165 +37,11 @@ const struct cmd_entry cmd_set_window_option_entry = {
 	cmd_target_print
 };
 
-const char *set_option_mode_keys_list[] = {
-	"emacs", "vi", NULL
-};
-const char *set_option_clock_mode_style_list[] = {
-	"12", "24", NULL
-};
-const struct set_option_entry set_window_option_table[] = {
-	{ "aggressive-resize", SET_OPTION_FLAG, 0, 0, NULL },
-	{ "automatic-rename", SET_OPTION_FLAG, 0, 0, NULL },
-	{ "clock-mode-colour", SET_OPTION_COLOUR, 0, 0, NULL },
-	{ "clock-mode-style",
-	  SET_OPTION_CHOICE, 0, 0, set_option_clock_mode_style_list },
-	{ "force-height", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
-	{ "force-width", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
-	{ "main-pane-height", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
-	{ "main-pane-width", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
-	{ "mode-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
-	{ "mode-bg", SET_OPTION_COLOUR, 0, 0, NULL },
-	{ "mode-fg", SET_OPTION_COLOUR, 0, 0, NULL },
-	{ "mode-keys", SET_OPTION_CHOICE, 0, 0, set_option_mode_keys_list },
-	{ "mode-mouse", SET_OPTION_FLAG, 0, 0, NULL },
-	{ "monitor-activity", SET_OPTION_FLAG, 0, 0, NULL },
-	{ "monitor-content", SET_OPTION_STRING, 0, 0, NULL },
-	{ "remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL },
-	{ "synchronize-panes", SET_OPTION_FLAG, 0, 0, NULL },
-	{ "utf8", SET_OPTION_FLAG, 0, 0, NULL },
-	{ "window-status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
-	{ "window-status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
-	{ "window-status-current-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
-	{ "window-status-current-bg", SET_OPTION_COLOUR, 0, 0, NULL },
-	{ "window-status-current-fg", SET_OPTION_COLOUR, 0, 0, NULL },
-	{ "window-status-current-format", SET_OPTION_STRING, 0, 0, NULL },
-	{ "window-status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
-	{ "window-status-format", SET_OPTION_STRING, 0, 0, NULL },
-	{ "xterm-keys", SET_OPTION_FLAG, 0, 0, NULL },
-	{ NULL, 0, 0, 0, NULL }
-};
-
 int
 cmd_set_window_option_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct cmd_target_data		*data = self->data;
-	struct winlink			*wl;
-	struct client			*c;
-	struct options			*oo;
-	const struct set_option_entry   *entry, *opt;
-	struct jobs			*jobs;
-	struct job			*job, *nextjob;
-	u_int				 i;
-	int				 try_again;
-
-	if (cmd_check_flag(data->chflags, 'g'))
-		oo = &global_w_options;
-	else {
-		if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
-			return (-1);
-		oo = &wl->window->options;
-	}
-
-	if (*data->arg == '\0') {
-		ctx->error(ctx, "invalid option");
-		return (-1);
-	}
-
-	entry = NULL;
-	for (opt = set_window_option_table; opt->name != NULL; opt++) {
-		if (strncmp(opt->name, data->arg, strlen(data->arg)) != 0)
-			continue;
-		if (entry != NULL) {
-			ctx->error(ctx, "ambiguous option: %s", data->arg);
-			return (-1);
-		}
-		entry = opt;
-
-		/* Bail now if an exact match. */
-		if (strcmp(entry->name, data->arg) == 0)
-			break;
-	}
-	if (entry == NULL) {
-		ctx->error(ctx, "unknown option: %s", data->arg);
-		return (-1);
-	}
-
-	if (cmd_check_flag(data->chflags, 'u')) {
-		if (cmd_check_flag(data->chflags, 'g')) {
-			ctx->error(ctx,
-			    "can't unset global option: %s", entry->name);
-			return (-1);
-		}
-		if (data->arg2 != NULL) {
-			ctx->error(ctx,
-			    "value passed to unset option: %s", entry->name);
-			return (-1);
-		}
-
-		options_remove(oo, entry->name);
-		ctx->info(ctx, "unset option: %s", entry->name);
-	} else {
-		switch (entry->type) {
-		case SET_OPTION_STRING:
-			set_option_string(ctx, oo, entry,
-			    data->arg2, cmd_check_flag(data->chflags, 'a'));
-			break;
-		case SET_OPTION_NUMBER:
-			set_option_number(ctx, oo, entry, data->arg2);
-			break;
-		case SET_OPTION_KEYS:
-			set_option_keys(ctx, oo, entry, data->arg2);
-			break;
-		case SET_OPTION_COLOUR:
-			set_option_colour(ctx, oo, entry, data->arg2);
-			break;
-		case SET_OPTION_ATTRIBUTES:
-			set_option_attributes(ctx, oo, entry, data->arg2);
-			break;
-		case SET_OPTION_FLAG:
-			set_option_flag(ctx, oo, entry, data->arg2);
-			break;
-		case SET_OPTION_CHOICE:
-			set_option_choice(ctx, oo, entry, data->arg2);
-			break;
-		}
-	}
-
-	recalculate_sizes();
-	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
-		c = ARRAY_ITEM(&clients, i);
-		if (c != NULL && c->session != NULL)
-			server_redraw_client(c);
-	}
-
-	/* 
-	 * Special-case: kill all persistent jobs if window-status-format has
-	 * changed. Persistent jobs are only used by the status line at the
-	 * moment so this works XXX.
-	 */
-	if (strcmp(entry->name, "window-status-format") == 0) {
-		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
-			c = ARRAY_ITEM(&clients, i);
-			if (c == NULL || c->session == NULL)
-				continue;
-
-			jobs = &c->status_jobs;
-			do {
-				try_again = 0;	
-				job = RB_ROOT(jobs);
-				while (job != NULL) {
-					nextjob = RB_NEXT(jobs, jobs, job);
-					if (job->flags & JOB_PERSIST) {
-						job_remove(jobs, job);
-						try_again = 1;
-						break;
-					}
-					job = nextjob;
-				}
-			} while (try_again);
-			server_redraw_client(c);
-		}
-	}
 
-	return (0);
+	cmd_set_flag(&data->chflags, 'w');
+	return (cmd_set_option_entry.exec(self, ctx));
 }
diff --git a/cmd-show-options.c b/cmd-show-options.c
index 9e7fd7db..3374c64e 100644
--- a/cmd-show-options.c
+++ b/cmd-show-options.c
@@ -31,8 +31,8 @@ int	cmd_show_options_exec(struct cmd *, struct cmd_ctx *);
 
 const struct cmd_entry cmd_show_options_entry = {
 	"show-options", "show",
-	"[-g] " CMD_TARGET_SESSION_USAGE,
-	0, "g",
+	"[-gw] [-t target-session|target-window]",
+	0, "gw",
 	cmd_target_init,
 	cmd_target_parse,
 	cmd_show_options_exec,
@@ -43,25 +43,41 @@ const struct cmd_entry cmd_show_options_entry = {
 int
 cmd_show_options_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
-	struct cmd_target_data		*data = self->data;
+	struct cmd_target_data		*data = self->data;	
+	const struct set_option_entry	*table;
 	struct session			*s;
+	struct winlink			*wl;
 	struct options			*oo;
 	struct options_entry		*o;
 	const struct set_option_entry   *entry;
 	const char			*optval;
 
-	if (cmd_check_flag(data->chflags, 'g'))
-		oo = &global_s_options;
-	else {
-		if ((s = cmd_find_session(ctx, data->target)) == NULL)
-			return (-1);
-		oo = &s->options;
+	if (cmd_check_flag(data->chflags, 'w')) {
+		table = set_window_option_table;
+		if (cmd_check_flag(data->chflags, 'g'))
+			oo = &global_w_options;
+		else {
+			wl = cmd_find_window(ctx, data->target, NULL);
+			if (wl == NULL)
+				return (-1);
+			oo = &wl->window->options;
+		}
+	} else {
+		table = set_session_option_table;
+		if (cmd_check_flag(data->chflags, 'g'))
+			oo = &global_s_options;
+		else {
+			s = cmd_find_session(ctx, data->target);
+			if (s == NULL)
+				return (-1);
+			oo = &s->options;
+		}
 	}
 
-	for (entry = set_option_table; entry->name != NULL; entry++) {
+	for (entry = table; entry->name != NULL; entry++) {
 		if ((o = options_find1(oo, entry->name)) == NULL)
 			continue;
-		optval = set_option_print(entry, o);
+		optval = cmd_set_option_print(entry, o);
 		ctx->print(ctx, "%s %s", entry->name, optval);
 	}
 
diff --git a/cmd-show-window-options.c b/cmd-show-window-options.c
index 2609cfab..b81f887c 100644
--- a/cmd-show-window-options.c
+++ b/cmd-show-window-options.c
@@ -24,7 +24,7 @@
 #include "tmux.h"
 
 /*
- * Show window options.
+ * Show window options. This is an alias for show-options -w.
  */
 
 int	cmd_show_window_options_exec(struct cmd *, struct cmd_ctx *);
@@ -44,26 +44,7 @@ int
 cmd_show_window_options_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct cmd_target_data		*data = self->data;
-	struct winlink			*wl;
-	struct options			*oo;
-	struct options_entry		*o;
-	const struct set_option_entry	*entry;
-	const char			*optval;
 
-	if (cmd_check_flag(data->chflags, 'g'))
-		oo = &global_w_options;
-	else {
-		if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
-			return (-1);
-		oo = &wl->window->options;
-	}
-
-	for (entry = set_window_option_table; entry->name != NULL; entry++) {
-		if ((o = options_find1(oo, entry->name)) == NULL)
-			continue;
-		optval = set_option_print(entry, o);
-		ctx->print(ctx, "%s %s", entry->name, optval);
-	}
-
-	return (0);
+	cmd_set_flag(&data->chflags, 'w');
+	return (cmd_show_options_entry.exec(self, ctx));
 }
diff --git a/options-cmd.c b/options-cmd.c
deleted file mode 100644
index 8c0e0d1a..00000000
--- a/options-cmd.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/* $OpenBSD$ */
-
-/*
- * Copyright (c) 2008 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 <stdlib.h>
-#include <string.h>
-
-#include "tmux.h"
-
-const char *
-set_option_print(const struct set_option_entry *entry, struct options_entry *o)
-{
-	static char	out[BUFSIZ];
-	const char     *s;
-	struct keylist *keylist;
-	u_int		i;
-
-	*out = '\0';
-	switch (entry->type) {
-		case SET_OPTION_STRING:
-			xsnprintf(out, sizeof out, "\"%s\"", o->str);
-			break;
-		case SET_OPTION_NUMBER:
-			xsnprintf(out, sizeof out, "%lld", o->num);
-			break;
-		case SET_OPTION_KEYS:
-			keylist = o->data;
-			for (i = 0; i < ARRAY_LENGTH(keylist); i++) {
-				strlcat(out, key_string_lookup_key(
-				    ARRAY_ITEM(keylist, i)), sizeof out);
-				if (i != ARRAY_LENGTH(keylist) - 1)
-					strlcat(out, ",", sizeof out);
-			}
-			break;
-		case SET_OPTION_COLOUR:
-			s = colour_tostring(o->num);
-			xsnprintf(out, sizeof out, "%s", s);
-			break;
-		case SET_OPTION_ATTRIBUTES:
-			s = attributes_tostring(o->num);
-			xsnprintf(out, sizeof out, "%s", s);
-			break;
-		case SET_OPTION_FLAG:
-			if (o->num)
-				strlcpy(out, "on", sizeof out);
-			else
-				strlcpy(out, "off", sizeof out);
-			break;
-		case SET_OPTION_CHOICE:
-			s = entry->choices[o->num];
-			xsnprintf(out, sizeof out, "%s", s);
-			break;
-	}
-	return (out);
-}
-
-void
-set_option_string(struct cmd_ctx *ctx, struct options *oo,
-    const struct set_option_entry *entry, char *value, int append)
-{
-	struct options_entry	*o;
-	char			*oldvalue, *newvalue;
-
-	if (value == NULL) {
-		ctx->error(ctx, "empty value");
-		return;
-	}
-
-	if (append) {
-		oldvalue = options_get_string(oo, entry->name);
-		xasprintf(&newvalue, "%s%s", oldvalue, value);
-	} else
-		newvalue = value;
-		
-	o = options_set_string(oo, entry->name, "%s", newvalue);
-	ctx->info(
-	    ctx, "set option: %s -> %s", o->name, set_option_print(entry, o));
-
-	if (newvalue != value)
-		xfree(newvalue);
-}
-
-void
-set_option_number(struct cmd_ctx *ctx, struct options *oo,
-    const struct set_option_entry *entry, char *value)
-{
-	struct options_entry	*o;
-	long long		 number;
-	const char     		*errstr;
-
-	if (value == NULL) {
-		ctx->error(ctx, "empty value");
-		return;
-	}
-
-	number = strtonum(value, entry->minimum, entry->maximum, &errstr);
-	if (errstr != NULL) {
-		ctx->error(ctx, "value is %s: %s", errstr, value);
-		return;
-	}
-
-	o = options_set_number(oo, entry->name, number);
-	ctx->info(
-	    ctx, "set option: %s -> %s", o->name, set_option_print(entry, o));
-}
-
-void
-set_option_keys(struct cmd_ctx *ctx, struct options *oo,
-    const struct set_option_entry *entry, char *value)
-{
-	struct options_entry	*o;
-	struct keylist		*keylist;
-	char			*copyvalue, *ptr, *str;
-	int		 	 key;
-
-	if (value == NULL) {
-		ctx->error(ctx, "empty value");
-		return;
-	}
-
-	keylist = xmalloc(sizeof *keylist);
-	ARRAY_INIT(keylist);
-
-	ptr = copyvalue = xstrdup(value);
-	while ((str = strsep(&ptr, ",")) != NULL) {
-		if ((key = key_string_lookup_string(str)) == KEYC_NONE) {
-			xfree(keylist);
-			ctx->error(ctx, "unknown key: %s", str);
-			xfree(copyvalue);
-			return;
-		}
-		ARRAY_ADD(keylist, key);
-	}
-	xfree(copyvalue);
-
-	o = options_set_data(oo, entry->name, keylist, xfree);
-	ctx->info(
-	    ctx, "set option: %s -> %s", o->name, set_option_print(entry, o));
-}
-
-void
-set_option_colour(struct cmd_ctx *ctx, struct options *oo,
-    const struct set_option_entry *entry, char *value)
-{
-	struct options_entry	*o;
-	int			 colour;
-
-	if (value == NULL) {
-		ctx->error(ctx, "empty value");
-		return;
-	}
-
-	if ((colour = colour_fromstring(value)) == -1) {
-		ctx->error(ctx, "bad colour: %s", value);
-		return;
-	}
-
-	o = options_set_number(oo, entry->name, colour);
-	ctx->info(
-	    ctx, "set option: %s -> %s", o->name, set_option_print(entry, o));
-}
-
-void
-set_option_attributes(struct cmd_ctx *ctx, struct options *oo,
-    const struct set_option_entry *entry, char *value)
-{
-	struct options_entry	*o;
-	int			 attr;
-
-	if (value == NULL) {
-		ctx->error(ctx, "empty value");
-		return;
-	}
-
-	if ((attr = attributes_fromstring(value)) == -1) {
-		ctx->error(ctx, "bad attributes: %s", value);
-		return;
-	}
-
-	o = options_set_number(oo, entry->name, attr);
-	ctx->info(
-	    ctx, "set option: %s -> %s", o->name, set_option_print(entry, o));
-}
-
-void
-set_option_flag(struct cmd_ctx *ctx, struct options *oo,
-    const struct set_option_entry *entry, char *value)
-{
-	struct options_entry	*o;
-	int			 flag;
-
-	if (value == NULL || *value == '\0')
-		flag = !options_get_number(oo, entry->name);
-	else {
-		if ((value[0] == '1' && value[1] == '\0') ||
-		    strcasecmp(value, "on") == 0 ||
-		    strcasecmp(value, "yes") == 0)
-			flag = 1;
-		else if ((value[0] == '0' && value[1] == '\0') ||
-		    strcasecmp(value, "off") == 0 ||
-		    strcasecmp(value, "no") == 0)
-			flag = 0;
-		else {
-			ctx->error(ctx, "bad value: %s", value);
-			return;
-		}
-	}
-
-	o = options_set_number(oo, entry->name, flag);
-	ctx->info(
-	    ctx, "set option: %s -> %s", o->name, set_option_print(entry, o));
-}
-
-void
-set_option_choice(struct cmd_ctx *ctx, struct options *oo,
-    const struct set_option_entry *entry, char *value)
-{
-	struct options_entry	*o;
-	const char     	       **choicep;
-	int		 	 n, choice = -1;
-
-	if (value == NULL) {
-		ctx->error(ctx, "empty value");
-		return;
-	}
-
-	n = 0;
-	for (choicep = entry->choices; *choicep != NULL; choicep++) {
-		n++;
-		if (strncmp(*choicep, value, strlen(value)) != 0)
-			continue;
-
-		if (choice != -1) {
-			ctx->error(ctx, "ambiguous option: %s", value);
-			return;
-		}
-		choice = n - 1;
-	}
-	if (choice == -1) {
-		ctx->error(ctx, "unknown option: %s", value);
-		return;
-	}
-
-	o = options_set_number(oo, entry->name, choice);
-	ctx->info(
-	    ctx, "set option: %s -> %s", o->name, set_option_print(entry, o));
-}
diff --git a/status.c b/status.c
index fa452d53..bc8dc716 100644
--- a/status.c
+++ b/status.c
@@ -1115,7 +1115,7 @@ char *
 status_prompt_complete(const char *s)
 {
 	const struct cmd_entry 	      **cmdent;
-	const struct set_option_entry  *optent;
+	const struct set_option_entry  *entry;
 	ARRAY_DECL(, const char *)	list;
 	char			       *prefix, *s2;
 	u_int				i;
@@ -1130,13 +1130,13 @@ status_prompt_complete(const char *s)
 		if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
 			ARRAY_ADD(&list, (*cmdent)->name);
 	}
-	for (optent = set_option_table; optent->name != NULL; optent++) {
-		if (strncmp(optent->name, s, strlen(s)) == 0)
-			ARRAY_ADD(&list, optent->name);
+	for (entry = set_session_option_table; entry->name != NULL; entry++) {
+		if (strncmp(entry->name, s, strlen(s)) == 0)
+			ARRAY_ADD(&list, entry->name);
 	}
-	for (optent = set_window_option_table; optent->name != NULL; optent++) {
-		if (strncmp(optent->name, s, strlen(s)) == 0)
-			ARRAY_ADD(&list, optent->name);
+	for (entry = set_window_option_table; entry->name != NULL; entry++) {
+		if (strncmp(entry->name, s, strlen(s)) == 0)
+			ARRAY_ADD(&list, entry->name);
 	}
 
 	/* If none, bail now. */
diff --git a/tmux.1 b/tmux.1
index 46734315..97881320 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1230,8 +1230,8 @@ command.
 Commands which set options are as follows:
 .Bl -tag -width Ds
 .It Xo Ic set-option
-.Op Fl agu
-.Op Fl t Ar target-session
+.Op Fl aguw
+.Op Fl t Ar target-session | Ar target-window
 .Ar option Ar value
 .Xc
 .D1 (alias: Ic set )
@@ -1249,6 +1249,13 @@ The
 flag unsets an option, so a session inherits the option from the global
 options - it is not possible to unset a global option.
 .Pp
+With