diff -r b9767cb5b06b -r d2bd73d28ff1 ui/cocoa/button.m
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/cocoa/button.m	Thu Dec 12 20:01:43 2024 +0100
@@ -0,0 +1,53 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2024 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.
+ */
+
+#import "button.h"
+#import "EventData.h"
+#import "Container.h"
+#import <objc/runtime.h>
+
+UIWIDGET ui_button_create(UiObject* obj, UiButtonArgs args) {
+    NSButton *button = [[NSButton alloc] init];
+    if(args.label) {
+        NSString *label = [[NSString alloc] initWithUTF8String:args.label];
+        button.title = label;
+    }
+    
+    if(args.onclick) {
+        EventData *event = [[EventData alloc] init:args.onclick userdata:args.onclickdata];
+        event.obj = obj;
+        button.target = event;
+        button.action = @selector(handleEvent:);
+        objc_setAssociatedObject(button, "eventdata", event, OBJC_ASSOCIATION_RETAIN);
+    }
+    
+    UiLayout layout = UI_INIT_LAYOUT(args);
+    ui_container_add(obj, button, &layout, FALSE);
+    
+    return (__bridge void*)button;
+}