diff -r 504c45926386 -r f8ff8df41713 ui/cocoa/GridLayout.m
--- a/ui/cocoa/GridLayout.m	Sat Oct 04 18:33:58 2025 +0200
+++ b/ui/cocoa/GridLayout.m	Sun Oct 05 12:34:42 2025 +0200
@@ -184,17 +184,23 @@
     int preferred_width = 0;
     int preferred_height = 0;
     for(int j=0;j<ncols;j++) {
-        preferred_width += cols[j].preferred_size + colspacing;
+        preferred_width += cols[j].preferred_size;
         if(cols[j].expand) {
             col_ext++;
         }
     }
     for(int j=0;j<nrows;j++) {
-        preferred_height += rows[j].preferred_size + rowspacing;
+        preferred_height += rows[j].preferred_size;
         if(rows[j].expand) {
             row_ext++;
         }
     }
+    if(ncols > 0) {
+        preferred_width += (ncols-1) * colspacing;
+    }
+    if(nrows > 0) {
+        preferred_height += (nrows-1) * rowspacing;
+    }
     
     _preferredSize.width = preferred_width;
     _preferredSize.height = preferred_height;
@@ -292,7 +298,7 @@
     return self.preferredSize;
 }
 
-- (void) addView:(NSView*)view {
+- (void) addView:(NSView*)view margin:(NSEdgeInsets)margin {
     _preferredSize.width = -1;
     _preferredSize.height = -1;
     
@@ -305,7 +311,7 @@
     GridElm elm;
     elm.x = _x;
     elm.y = _y;
-    elm.margin = 0;
+    elm.margin = margin;
     elm.colspan = _uilayout.colspan;
     elm.rowspan = _uilayout.rowspan;
     if(_uilayout.fill) {