Some little fixes for bapt’s patch, use predict_text_width, support UTF8, pre-render workspace names

include/workspace.h

@@ -0,0 +1,27 @@
+/*
+ * vim:ts=8:expandtab
+ *
+ * i3 - an improved dynamic tiling window manager
+ *
+ * © 2009 Michael Stapelberg and contributors
+ *
+ * See file LICENSE for license information.
+ *
+ */
+#include <xcb/xcb.h>
+
+#include "data.h"
+
+#ifndef _WORKSPACE_H
+#define _WORKSPACE_H
+
+/**
+ * Sets the name (or just its number) for the given workspace. This has to
+ * be called for every workspace as the rendering function
+ * (render_internal_bar) relies on workspace->name and workspace->name_len
+ * being ready-to-use.
+ *
+ */
+void workspace_set_name(Workspace *ws, const char *name);
+
+#endif