Cura/plugins/PrepareStage/PrepareMenu.qml

import QtQuick 2.7
import QtQuick.Layouts 1.1
import QtQuick.Controls 1.4

import UM 1.3 as UM
import Cura 1.1 as Cura


Item
{
    id: prepareMenu
    // This widget doesn't show tooltips by itself. Instead it emits signals so others can do something with it.
    signal showTooltip(Item item, point location, string text)
    signal hideTooltip()

    UM.I18nCatalog
    {
        id: catalog
        name: "cura"
    }

    // Item to ensure that all of the buttons are nicely centered.
    Item
    {
        anchors.horizontalCenter: parent.horizontalCenter
        width: openFileButton.width + UM.Theme.getSize("default_margin").width + itemRow.width
        height: parent.height

        Button
        {
            id: openFileButton
            text: catalog.i18nc("@action:button", "Open File")
            iconSource: UM.Theme.getIcon("load")
            style: UM.Theme.styles.tool_button
            tooltip: ""
            action: Cura.Actions.open
        }

        RowLayout
        {
            id: itemRow

            anchors.left: openFileButton.right
            anchors.leftMargin: UM.Theme.getSize("default_margin").width

            width: 0.9 * prepareMenu.width
            height: parent.height

            Cura.MachineSelector
            {
                id: machineSelection
                z: openFileButton.z - 1

                Layout.minimumWidth: 240
                Layout.maximumWidth: 240
                Layout.fillWidth: true
                Layout.fillHeight: true
            }

            Cura.QuickConfigurationSelector
            {
                Layout.fillHeight: true
                Layout.fillWidth: true
                Layout.preferredWidth: itemRow.width - machineSelection.width - printSetupSelector.width
            }

            Cura.PrintSetupSelector
            {
                id: printSetupSelector

                onShowTooltip: prepareMenu.showTooltip(item, location, text)
                onHideTooltip: prepareMenu.hideTooltip()

                Layout.minimumWidth: 460
                Layout.maximumWidth: 460
                Layout.fillWidth: true
                Layout.fillHeight: true
            }
        }
    }
}