main.qml Example File

multi-screen/qml/main.qml
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import QtQml 2.2 import QtQuick 2.0 import QtQuick.Window 2.3 as Window import QtWayland.Compositor 1.3 import QtQml.Models 2.1 WaylandCompositor { id: comp ListModel { id: emulatedScreens ListElement { name: "left"; virtualX: 0; virtualY: 0; width: 800; height: 600 } ListElement { name: "middle"; virtualX: 800; virtualY: 0; width: 800; height: 600 } ListElement { name: "right"; virtualX: 1600; virtualY: 0; width: 800; height: 600 } } property bool emulated: Qt.application.screens.length < 2 Instantiator { id: screens model: emulated ? emulatedScreens : Qt.application.screens delegate: Screen { surfaceArea.color: "lightsteelblue" text: name compositor: comp screen: modelData Component.onCompleted: if (!comp.defaultOutput) comp.defaultOutput = this position: Qt.point(virtualX, virtualY) windowed: emulated } } Component { id: chromeComponent Chrome {} } Component { id: moveItemComponent Item {} } Item { id: rootItem } WlShell { onWlShellSurfaceCreated: handleShellSurfaceCreated(shellSurface) } XdgShellV6 { onToplevelCreated: handleShellSurfaceCreated(xdgSurface) } XdgShell { onToplevelCreated: handleShellSurfaceCreated(xdgSurface) } function createShellSurfaceItem(shellSurface, moveItem, output) { var parentSurfaceItem = output.viewsBySurface[shellSurface.parentSurface]; var parent = parentSurfaceItem || output.surfaceArea; var item = chromeComponent.createObject(parent, { "shellSurface": shellSurface, "moveItem": moveItem, "output": output }); if (parentSurfaceItem) { item.x += output.position.x; item.y += output.position.y; } output.viewsBySurface[shellSurface.surface] = item; } function handleShellSurfaceCreated(shellSurface) { var moveItem = moveItemComponent.createObject(rootItem, { "x": screens.objectAt(0).position.x, "y": screens.objectAt(0).position.y, "width": Qt.binding(function() { return shellSurface.surface.width; }), "height": Qt.binding(function() { return shellSurface.surface.height; }) }); for (var i = 0; i < screens.count; ++i) createShellSurfaceItem(shellSurface, moveItem, screens.objectAt(i)); } }