import QtQuick 2.12 import QtQuick.Controls 2.12 Menu { id: menu padding: theme.controls.menu.borderWidth implicitWidth: { let result = 0 for (let i = 0; i < count; ++i) { let item = itemAt(i) if (! item.visible) continue result = Math.max(item.implicitWidth, result) } return Math.min(result + menu.padding * 2, window.width) } background: Rectangle { color: theme.controls.menu.background border.color: theme.controls.menu.border border.width: theme.controls.menu.borderWidth } }