diff -r 000000000000 -r 1f419bd32da1 ui/common/context.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/common/context.c	Sat Dec 07 12:14:59 2013 +0100
@@ -0,0 +1,101 @@
+/*
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "context.h"
+#include "../ui/window.h"
+
+void uic_docmgr_init() {
+    
+}
+
+UiContext* uic_context(UiObject *toplevel, UcxMempool *mp) {
+    UiContext *ctx = ucx_mempool_malloc(mp, sizeof(UiContext));
+    UcxAllocator *allocator = ucx_mempool_allocator(mp);
+    ctx->mempool = mp;
+    ctx->allocator = allocator;
+    
+    ctx->toplevel = toplevel;
+    ctx->vars = ucx_map_new_a(allocator, 16);
+    
+    return ctx;
+}
+
+UiVar* uic_getvar(UiObject *obj, char *name) {
+    return ucx_map_cstr_get(obj->ctx->vars, name);
+}
+
+UiVar* uic_addplaceholder(UiObject *obj, char *name) {
+    UiVar *var = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiVar));
+    var->type = -1;
+    var->value = NULL;
+    ucx_map_cstr_put(obj->ctx->vars, name, var);
+}
+
+void ui_window_addint(UiObject *obj, char *name) {
+    if(uic_getvar(obj, name)) {
+        // var already exists
+        return;
+    }
+    UiInteger *i = ucx_mempool_calloc(obj->ctx->mempool, 1, sizeof(UiInteger));
+    ui_window_regint(obj, name, i);
+}
+
+void ui_window_regint(UiObject *obj, char *name, UiInteger *i) {
+    if(uic_getvar(obj, name)) {
+        // var already exists
+        return;
+    }
+    UiVar *var = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiVar));
+    var->value = i;
+    var->type = 1;
+    ucx_map_cstr_put(obj->ctx->vars, name, var);
+}
+
+void ui_window_setint(UiObject *obj, char *name, int val) {
+    UiVar *var = uic_getvar(obj, name);
+    if(var && var->type == 1) {
+        UiInteger *i = var->value;
+        i->set(i, val);
+    } else {
+        // TODO: error message
+    }
+}
+
+int ui_window_getint(UiObject *obj, char *name) {
+    UiVar *var = uic_getvar(obj, name);
+    if(var && var->type == 1) {
+        UiInteger *i = var->value;
+        return i->get(i);
+    } else {
+        return 0; // TODO: error message
+    }
+}