Add -c to refresh-client to set client size in control mode, based on

code from George Nachman.

cmd-refresh-client.c

@@ -28,8 +28,8 @@ enum cmd_retval	 cmd_refresh_client_exec(struct cmd *, struct cmd_ctx *);
 
 const struct cmd_entry cmd_refresh_client_entry = {
 	"refresh-client", "refresh",
-	"St:", 0, 0,
-	"[-S] " CMD_TARGET_CLIENT_USAGE,
+	"C:St:", 0, 0,
+	"[-S] [-C size]" CMD_TARGET_CLIENT_USAGE,
 	0,
 	NULL,
 	NULL,
@@ -41,11 +41,33 @@ cmd_refresh_client_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct args	*args = self->args;
 	struct client	*c;
+	const char	*size;
+	u_int		 w, h;
 
 	if ((c = cmd_find_client(ctx, args_get(args, 't'))) == NULL)
 		return (CMD_RETURN_ERROR);
 
-	if (args_has(args, 'S')) {
+	if (args_has(args, 'C')) {
+		if ((size = args_get(args, 'C')) == NULL) {
+			ctx->error(ctx, "missing size");
+			return (CMD_RETURN_ERROR);
+		}
+		if (sscanf(size, "%u,%u", &w, &h) != 2) {
+			ctx->error(ctx, "bad size argument");
+			return (CMD_RETURN_ERROR);
+		}
+		if (w < PANE_MINIMUM || w > 5000 ||
+		    h < PANE_MINIMUM || h > 5000) {
+			ctx->error(ctx, "size too small or too big");
+			return (CMD_RETURN_ERROR);
+		}
+		if (!(c->flags & CLIENT_CONTROL)) {
+			ctx->error(ctx, "not a control client");
+			return (CMD_RETURN_ERROR);
+		}
+		if (tty_set_size(&c->tty, w, h))
+			recalculate_sizes();
+	} else if (args_has(args, 'S')) {
 		status_update_jobs(c);
 		server_status_client(c);
 	} else