diff -r 000000000000 -r 1f419bd32da1 ui/common/context.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/common/context.h	Sat Dec 07 12:14:59 2013 +0100
@@ -0,0 +1,73 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2014 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef VALUE_H
+#define	VALUE_H
+
+#include "../ui/toolkit.h"
+#include "../../ucx/map.h"
+#include "../../ucx/mempool.h"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef struct UiDocument UiDocument;
+typedef struct UiVar      UiVar;
+
+struct UiContext {
+    UiObject     *toplevel;
+    UcxMempool   *mempool;
+    UcxAllocator *allocator;
+    UcxMap       *vars; // key: char*  value: UiVar*
+};
+
+struct UiDocument {
+    UcxMempool   *mempool;
+    UcxAllocator *allocator;
+    UcxMap       *vars; // key: char*  value: UiVar*
+};
+
+struct UiVar {
+    void *value;
+    int  type;
+};
+
+void uic_docmgr_init();
+UiContext* uic_context(UiObject *toplevel, UcxMempool *mp);
+
+UiVar* uic_getvar(UiObject *obj, char *name);
+UiVar* uic_addplaceholder(UiObject *obj, char *name);
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* VALUE_H */
+