diff -r 000000000000 -r 804d8803eade ui/wpf/button.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/wpf/button.c	Wed Dec 09 11:32:01 2020 +0100
@@ -0,0 +1,58 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2015 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 "button.h"
+#include "../common/object.h"
+
+UIWIDGET ui_button(UiObject *obj, char *label, ui_callback f, void *data) {
+    UiEventData *event = NULL;
+    ui_callback callback = NULL;
+    if(f) {
+        event = malloc(sizeof(UiEventData));
+        event->obj = obj;
+        event->callback = f;
+        event->user_data = data;
+        event->value = 0;
+        callback = (ui_callback)ui_button_callback;
+    }
+    
+    UiContainer *container = uic_get_current_container(obj);
+    return UIbutton(container, label, callback, event);
+}
+
+void ui_button_callback(UiObject *obj, UiEventData *e) {
+    UiEvent event;
+    event.obj = e->obj;
+    event.document = event.obj->ctx->document;
+    event.window = event.obj->window;
+    event.intval = 0;
+    e->callback(&event, e->user_data);
+}