diff -r 000000000000 -r 804d8803eade ui/qt/button.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/qt/button.cpp	Wed Dec 09 11:32:01 2020 +0100
@@ -0,0 +1,90 @@
+/*
+ * 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 "button.h"
+#include "container.h"
+#include "toolkit.h"
+
+UIWIDGET ui_button(UiObject *obj, char *label, ui_callback f, void *data) {
+    QString str = QString::fromUtf8(label);
+    QPushButton *button = new QPushButton(str);
+    
+    if(f) {
+        UiEventWrapper *event = new UiEventWrapper(obj, f, data);
+        button->connect(button, SIGNAL(clicked()), event, SLOT(slot()));
+    }
+    
+    UiContainer *ct = uic_get_current_container(obj);
+    ct->add(button, false);
+    
+    return button;
+}
+
+
+
+// TODO: checkbox
+
+
+UIWIDGET ui_radiobutton(UiObject *obj, char *label, UiInteger *rgroup)  {
+    QString str = QString::fromUtf8(label);
+    QRadioButton *button = new QRadioButton(str);
+    button->setAutoExclusive(false);
+    
+    if(rgroup) {
+        QButtonGroup *buttonGroup = (QButtonGroup*)rgroup->obj;
+        if(!buttonGroup) {
+            buttonGroup = new QButtonGroup();
+            rgroup->obj = buttonGroup;
+            button->setChecked(true);
+        }
+        buttonGroup->addButton(button, buttonGroup->buttons().size());
+        
+        rgroup->get = ui_radiobutton_get;
+        rgroup->set = ui_radiobutton_set;
+    }
+    
+    UiContainer *ct = uic_get_current_container(obj);
+    ct->add(button, false);
+    
+    return button;
+}
+
+int ui_radiobutton_get(UiInteger *value) {
+    QButtonGroup *buttonGroup = (QButtonGroup*)value->obj;
+    value->value = buttonGroup->checkedId();
+    return value->value;
+}
+
+void ui_radiobutton_set(UiInteger *value, int i) {
+    QButtonGroup *buttonGroup = (QButtonGroup*)value->obj;
+    QAbstractButton *button = buttonGroup->button(i);
+    if(button) {
+        button->setChecked(true);
+        value->value = i;
+    }
+}