Qt-Secret/Qt-Secret-GUI/main.qml

import QtQuick 2.12
import QtQuick.Controls 2.12
import QtQuick.Layouts 1.12
import QtQml.Models 2.12
import QtQuick.Window 2.12
import QtQuick.Controls.Material 2.12
import Qt.labs.settings 1.0

Window {
    id: window
    visible: true
    width: 640
    height: 480
    title: qsTr("Qt-Secret-GUI")

    // Settings {
    //     id: settings
    //     property string style: "Material"
    // }

    SwipeView {
        id: swipeView
        anchors.fill: parent
        currentIndex: tabBar.currentIndex

        Item {
            Loader {
                source: "KeysGeneratePage.qml"
            }
        }

        Item {
            Loader {
                source: "EncryptDecryptPage.qml"
            }
        }

        Item {
            Loader {
                source: "DigitalSignaturePage.qml"
            }
        }
    }

    TabBar {
        id: tabBar
        width: parent.width
        currentIndex: swipeView.currentIndex

        TabButton {
            text: "Keys generate"
        }
        TabButton {
            text: "Encryption and decryption"
        }
        TabButton {
            text: "Digital signature"
        }
    }
}