Merge remote-tracking branch 'origin/5.12' into 5.13

Conflicts:
	src/client/qwaylanddisplay_p.h

Change-Id: Ie84862aa41623c11abd8f882f428054f30062c77

src/3rdparty/wayland/protocols/qt_attribution.json

@@ -178,7 +178,7 @@ Copyright © 2015, 2016 Jan Arne Petersen"
         "Name": "Wayland EGLStream Controller Protocol",
         "QDocModule": "qtwaylandcompositor",
         "QtUsage": "Used in the Qt Wayland Compositor",
-        "Files": "wayland-eglstream-controller.xml",
+        "Files": "wl-eglstream-controller.xml",
 
         "Description": "Allows clients to request that the compositor creates its EGLStream.",
         "Homepage": "https://github.com/NVIDIA/egl-wayland",

src/plugins/platforms/wayland/qwaylanddisplay.cpp

@@ -90,13 +90,6 @@ struct wl_surface *QWaylandDisplay::createSurface(void *handle)
     return surface;
 }
 
-QWaylandShellSurface *QWaylandDisplay::createShellSurface(QWaylandWindow *window)
-{
-    if (!mWaylandIntegration->shellIntegration())
-        return nullptr;
-    return mWaylandIntegration->shellIntegration()->createShellSurface(window);
-}
-
 struct ::wl_region *QWaylandDisplay::createRegion(const QRegion &qregion)
 {
     struct ::wl_region *region = mCompositor.create_region();
@@ -110,12 +103,18 @@ struct ::wl_region *QWaylandDisplay::createRegion(const QRegion &qregion)
 ::wl_subsurface *QWaylandDisplay::createSubSurface(QWaylandWindow *window, QWaylandWindow *parent)
 {
     if (!mSubCompositor) {
+        qCWarning(lcQpaWayland) << "Can't create subsurface, not supported by the compositor.";
         return nullptr;
     }
 
     return mSubCompositor->get_subsurface(window->object(), parent->object());
 }
 
+QWaylandShellIntegration *QWaylandDisplay::shellIntegration() const
+{
+    return mWaylandIntegration->shellIntegration();
+}
+
 QWaylandClientBufferIntegration * QWaylandDisplay::clientBufferIntegration() const
 {
     return mWaylandIntegration->clientBufferIntegration();

src/plugins/platforms/wayland/qwaylanddisplay_p.h

@@ -98,7 +98,7 @@ class QWaylandQtKeyExtension;
 class QWaylandWindow;
 class QWaylandIntegration;
 class QWaylandHardwareIntegration;
-class QWaylandShellSurface;
+class QWaylandShellIntegration;
 class QWaylandCursor;
 class QWaylandCursorTheme;
 
@@ -124,13 +124,13 @@ public:
     QWaylandScreen *screenForOutput(struct wl_output *output) const;
 
     struct wl_surface *createSurface(void *handle);
-    QWaylandShellSurface *createShellSurface(QWaylandWindow *window);
     struct ::wl_region *createRegion(const QRegion &qregion);
     struct ::wl_subsurface *createSubSurface(QWaylandWindow *window, QWaylandWindow *parent);
 
+    QWaylandShellIntegration *shellIntegration() const;
     QWaylandClientBufferIntegration *clientBufferIntegration() const;
-
     QWaylandWindowManagerIntegration *windowManagerIntegration() const;
+
 #if QT_CONFIG(cursor)
     QWaylandCursor *waylandCursor();
     QWaylandCursorTheme *loadCursorTheme(const QString &name, int pixelSize);

src/plugins/platforms/wayland/qwaylandwindow.cpp

@@ -50,6 +50,7 @@
 #include "qwaylandnativeinterface_p.h"
 #include "qwaylanddecorationfactory_p.h"
 #include "qwaylandshmbackingstore_p.h"
+#include "qwaylandshellintegration_p.h"
 
 #include <QtCore/QFileInfo>
 #include <QtCore/QPointer>
@@ -127,8 +128,9 @@ void QWaylandWindow::initWindow()
         }
     } else if (shouldCreateShellSurface()) {
         Q_ASSERT(!mShellSurface);
+        Q_ASSERT(mDisplay->shellIntegration());
 
-        mShellSurface = mDisplay->createShellSurface(this);
+        mShellSurface = mDisplay->shellIntegration()->createShellSurface(this);
         if (mShellSurface) {
             // Set initial surface title
             setWindowTitle(window()->title());
@@ -200,6 +202,9 @@ void QWaylandWindow::initializeWlSurface()
 
 bool QWaylandWindow::shouldCreateShellSurface() const
 {
+    if (!mDisplay->shellIntegration())
+        return false;
+
     if (shouldCreateSubSurface())
         return false;
 
@@ -968,9 +973,16 @@ void QWaylandWindow::requestActivateWindow()
 
 bool QWaylandWindow::isExposed() const
 {
+    if (!window()->isVisible())
+        return false;
+
     if (mShellSurface)
-        return window()->isVisible() && mShellSurface->isExposed();
-    return QPlatformWindow::isExposed();
+        return mShellSurface->isExposed();
+
+    if (mSubSurfaceWindow)
+        return mSubSurfaceWindow->parent()->isExposed();
+
+    return !(shouldCreateShellSurface() || shouldCreateSubSurface());
 }
 
 bool QWaylandWindow::isActive() const