main.qml Example File

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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);
          }
      }
  }