main.qml Example File

spanning-screens/main.qml

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  import QtQuick 2.6
  import QtQuick.Window 2.3
  import QtWayland.Compositor 1.3

  WaylandCompositor {
      WaylandOutput {
          sizeFollowsWindow: true
          window: Window {
              id: topSurfaceArea

              property int pixelHeight: screen.devicePixelRatio * height
              property int pixelWidth: screen.devicePixelRatio * width

              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 {
          sizeFollowsWindow: true
          window: Window {
              id: bottomSurfaceArea

              property int pixelHeight: screen.devicePixelRatio * height
              property int pixelWidth: screen.devicePixelRatio * width

              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
          ShellSurfaceItem {
              autoCreatePopupItems: true
              onSurfaceDestroyed: destroy()
          }
      }

      XdgShell {
          onToplevelCreated: {
              const shellSurface = xdgSurface;

              const topItem = chromeComponent.createObject(topSurfaceArea, {
                  shellSurface
              });

              const bottomItem = chromeComponent.createObject(bottomSurfaceArea, {
                  shellSurface,
                  y: Qt.binding(function() { return -topSurfaceArea.height;})
              });

              const height = topSurfaceArea.pixelHeight + bottomSurfaceArea.pixelHeight;
              const width = Math.max(bottomSurfaceArea.pixelWidth, topSurfaceArea.pixelWidth);
              const size = Qt.size(width, height);
              toplevel.sendFullscreen(size);
          }
      }
  }