main.qml Example File

spanning-screens/main.qml
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import QtQuick 2.6 import QtQuick.Window 2.3 import QtWayland.Compositor 1.0 WaylandCompositor { id: wlcompositor WaylandOutput { compositor: wlcompositor sizeFollowsWindow: true window: Window { id: topSurfaceArea width: 1024 height: 768 visible: true color: "#1337af" Text { text: "Top screen" } // Enable the following to make the output target an actual screen, // for example when running on eglfs in a multi-display embedded system. // screen: Qt.application.screens[0] } } WaylandOutput { compositor: wlcompositor sizeFollowsWindow: true window: Window { id: bottomSurfaceArea width: 1024 height: 768 visible: true color: "#1abacc" Text { text: "Bottom screen" } // Enable the following to make the output target an actual screen, // for example when running on eglfs in a multi-display embedded system. // screen: Qt.application.screens[1] } } Component { id: chromeComponent WaylandQuickItem { onSurfaceDestroyed: destroy() } } Component { id: xdgPopupComponent ShellSurfaceItem { onSurfaceDestroyed: destroy() } } WlShell { onWlShellSurfaceCreated: handleShellSurfaceCreated(shellSurface) } property variant viewsBySurface: ({}) XdgShellV5 { onXdgSurfaceCreated: handleShellSurfaceCreated(xdgSurface) onXdgPopupCreated: { var parentViews = viewsBySurface[xdgPopup.parentSurface]; xdgPopupComponent.createObject(parentViews.top, { "shellSurface": xdgPopup } ); xdgPopupComponent.createObject(parentViews.bottom, { "shellSurface": xdgPopup } ); } } function handleShellSurfaceCreated(shellSurface) { var topItem = chromeComponent.createObject(topSurfaceArea, { "surface": shellSurface.surface }); var bottomItem = chromeComponent.createObject(bottomSurfaceArea, { "surface": shellSurface.surface, "y": Qt.binding(function() { return -topSurfaceArea.height;}) }); viewsBySurface[shellSurface.surface] = { top: topItem, bottom: bottomItem }; var height = bottomSurfaceArea.height + topSurfaceArea.height; var width = Math.max(bottomSurfaceArea.width, topSurfaceArea.width); var size = Qt.size(width, height); if (shellSurface.sendFullscreen) { shellSurface.sendFullscreen(size); } else if (shellSurface.sendConfigure) { shellSurface.sendConfigure(size, WlShellSurface.NoneEdge); } } }