diff -r b9767cb5b06b -r d2bd73d28ff1 ui/cocoa/GridLayout.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/cocoa/GridLayout.h	Thu Dec 12 20:01:43 2024 +0100
@@ -0,0 +1,71 @@
+/*
+ * 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 "toolkit.h"
+
+#import "Container.h"
+
+#import <cx/array_list.h>
+
+typedef struct GridElm {
+    NSView *view;
+    int margin;
+    int x;
+    int y;
+    int colspan;
+    int rowspan;
+    BOOL hexpand;
+    BOOL vexpand;
+    BOOL hfill;
+    BOOL vfill;
+} GridElm;
+
+typedef struct GridDef {
+    int size;
+    int pos;
+    int preferred_size;
+    BOOL extend;
+} GridDef;
+
+@interface GridLayout : NSView<Container>
+
+@property int columnspacing;
+@property int rowspacing;
+@property CxList *children;
+@property NSSize preferredSize;
+
+@property NSButton *test;
+
+@property int x;
+@property int y;
+@property int cols;
+@property int rows;
+
+- (GridLayout*)init;
+
+@end