closer

find.go

@@ -105,11 +105,51 @@ func (tk *guiWidget) setFullSize() bool {
 	return changed
 }
 
+func (tk *guiWidget) gridFullSize() rectType {
+	var r rectType
+	var first bool = true
+	for _, child := range tk.children {
+		cr := child.getFullSize()
+		if cr.Width() == 0 && cr.Height() == 0 {
+			// ignore widgets of zero size?
+			continue
+		}
+		if first {
+			// use the lowest width and hight from children widgets
+			r.w0 = cr.w0
+			r.h0 = cr.h0
+			r.w1 = cr.w1
+			r.h1 = cr.h1
+			first = false
+			continue
+		}
+		// use the lowest width and hight from children widgets
+		if r.w0 > cr.w0 {
+			r.w0 = cr.w0
+		}
+		if r.h0 > cr.h0 {
+			r.h0 = cr.h0
+		}
+		// use the highest width and hight from children widgets
+		if r.w1 < cr.w1 {
+			r.w1 = cr.w1
+		}
+		if r.h1 < cr.h1 {
+			r.h1 = cr.h1
+		}
+	}
+	return r
+}
+
 // this checks a widget to see if it is under (W,H), then checks the widget's children
 // anything that matches is passed back as an array of widgets
 func (tk *guiWidget) getFullSize() rectType {
 	var r rectType
 
+	if tk.node.WidgetType == widget.Grid {
+		return tk.gridFullSize()
+	}
+
 	if tk.v == nil {
 		r.w0 = tk.full.w0
 		r.w1 = tk.full.w1