add padding around large now playing card

ui/layouts/percentpadlayout.go

@@ -0,0 +1,44 @@
+package layouts
+
+import "fyne.io/fyne/v2"
+
+// Centers and pads a given item by a percent (0-1)
+// of the width and height that should be taken by the objects
+type PercentPadLayout struct {
+	LeftRightObjectPercent float32
+	TopBottomObjectPercent float32
+}
+
+func (l *PercentPadLayout) MinSize(objects []fyne.CanvasObject) fyne.Size {
+	var objMinSize fyne.Size
+	for _, obj := range objects {
+		objMinSize = objMinSize.Max(obj.MinSize())
+	}
+	if objMinSize.IsZero() {
+		return objMinSize
+	}
+
+	return fyne.Size{
+		Width:  objMinSize.Width / l.LeftRightObjectPercent,
+		Height: objMinSize.Height / l.LeftRightObjectPercent,
+	}
+}
+
+func (l *PercentPadLayout) Layout(objects []fyne.CanvasObject, size fyne.Size) {
+	if len(objects) == 0 {
+		return
+	}
+
+	objSize := fyne.NewSize(
+		size.Width*l.LeftRightObjectPercent,
+		size.Height*l.TopBottomObjectPercent,
+	)
+	objPos := fyne.NewPos(
+		size.Width*(1-l.LeftRightObjectPercent)/2,
+		size.Height*(1-l.TopBottomObjectPercent)/2,
+	)
+	for _, obj := range objects {
+		obj.Resize(objSize)
+		obj.Move(objPos)
+	}
+}