qt-everywhere-src-5.15.1/qtwayland/examples/wayland/hwlayer-compositor/main.qml

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import QtQuick 2.6
import QtQuick.Window 2.2
import QtQuick.Controls 2.2
import QtWayland.Compositor 1.3

WaylandCompositor {
    WaylandOutput {
        sizeFollowsWindow: true
        window: Window {
            color: "tomato"
            id: win
            width: 1024
            height: 768
            visible: true
            Rectangle {
                color: "lightgreen"
                anchors.centerIn: parent
                width: parent.width / 3
                height: parent.width / 3
                NumberAnimation on rotation {
                    id: rotationAnimation
                    running: false
                    from: 0
                    to: 90
                    loops: Animation.Infinite
                    duration: 1000
                }
            }
                Repeater {
                    model: shellSurfaces
                    ShellSurfaceItem {
                        id: waylandItem
                        onSurfaceDestroyed: shellSurfaces.remove(index)
                        shellSurface: shSurface
                        WaylandHardwareLayer {
                            stackingLevel: level
                            Component.onCompleted: console.log("Added hardware layer with stacking level", stackingLevel);
                        }
                        Component.onCompleted: console.log("Added wayland quick item");
                        Behavior on x {
                            PropertyAnimation {
                                easing.type: Easing.OutBounce
                                duration: 1000
                            }
                        }
                        Timer {
                            interval: 2000; running: animatePosition; repeat: true
                            onTriggered: waylandItem.x = waylandItem.x === 0 ? win.width - waylandItem.width : 0
                        }
                        Behavior on opacity {
                            PropertyAnimation {
                                duration: 1000
                            }
                        }
                        Timer {
                            interval: 2000; running: animateOpacity; repeat: true
                            onTriggered: waylandItem.opacity = waylandItem.opacity === 1 ? 0 : 1
                        }
                    }
            }
            Column {
                anchors.bottom: parent.bottom
                Repeater {
                    model: shellSurfaces
                    Row {
                        Label {
                            anchors.verticalCenter: parent.verticalCenter
                            leftPadding: 15
                            rightPadding: 15
                            text: "Surface " + index
                        }
                        CheckBox {
                            text: "Animate position"
                            checked: animatePosition
                            onClicked: animatePosition = !animatePosition
                        }
                        CheckBox {
                            text: "Animate Opacity"
                            checked: animateOpacity
                            onClicked: animateOpacity = !animateOpacity
                        }
                        Label {
                            text: "Stacking level"
                        }
                        SpinBox {
                            value: level
                            onValueModified: level = value;
                        }
                        Button {
                            text: "Kill"
                            onClicked: shSurface.surface.client.close()
                        }
                    }
                }
                CheckBox {
                    text: "Rotation"
                    checked: rotationAnimation.running
                    onClicked: rotationAnimation.running = !rotationAnimation.running
                    padding: 30
                }
            }
        }
    }
    ListModel { id: shellSurfaces }
    function addShellSurface(shellSurface) {
        shellSurfaces.append({shSurface: shellSurface, animatePosition: false, animateOpacity: false, level: 0});
    }
    XdgShell { onToplevelCreated: addShellSurface(xdgSurface) }
    XdgShellV6 { onToplevelCreated: addShellSurface(xdgSurface) }
    WlShell { onWlShellSurfaceCreated: addShellSurface(shellSurface) }
}