Cockpit-cpp/Run/QtQuick/Controls/Fusion/ProgressBar.qml

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import QtQuick
import QtQuick.Templates as T
import QtQuick.Controls.impl
import QtQuick.Controls.Fusion
import QtQuick.Controls.Fusion.impl

T.ProgressBar {
    id: control

    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
                            implicitContentWidth + leftPadding + rightPadding)
    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
                             implicitContentHeight + topPadding + bottomPadding)

    contentItem: Item {
        implicitWidth: 120
        implicitHeight: 24
        scale: control.mirrored ? -1 : 1

        Rectangle {
            height: parent.height
            width: (control.indeterminate ? 1.0 : control.position) * parent.width

            radius: 2
            border.color: Qt.darker(Fusion.highlight(control.palette), 1.4)
            gradient: Gradient {
                GradientStop {
                    position: 0
                    color: Qt.lighter(Fusion.highlight(control.palette), 1.2)
                }
                GradientStop {
                    position: 1
                    color: Fusion.highlight(control.palette)
                }
            }
        }

        Item {
            x: 1; y: 1
            width: parent.width - 2
            height: parent.height - 2
            visible: control.indeterminate
            clip: true

            ColorImage {
                width: Math.ceil(parent.width / implicitWidth + 1) * implicitWidth
                height: parent.height

                mirror: control.mirrored
                fillMode: Image.TileHorizontally
                source: "qrc:/qt-project.org/imports/QtQuick/Controls/Fusion/images/progressmask.png"
                color: Color.transparent(Qt.lighter(Fusion.highlight(control.palette), 1.2), 160 / 255)

                visible: control.indeterminate
                NumberAnimation on x {
                    running: control.indeterminate && control.visible
                    from: -31 // progressmask.png width
                    to: 0
                    loops: Animation.Infinite
                    duration: 750
                }
            }
        }
    }

    background: Rectangle {
        implicitWidth: 120
        implicitHeight: 24

        radius: 2
        color: control.palette.base
        border.color: Fusion.outline(control.palette)

        Rectangle {
            x: 1; y: 1; height: 1
            width: parent.width - 2
            color: Fusion.topShadow
        }
    }
}