Fix compilation with gcc 4.8

GCC 4.8 doesn't like QPointers in signal connections.
Also, Default Member Initializers for aggregates
are C++14, so we need to write a constructor to make
a class with DMIs work in C++11.

Change-Id: I567c60a8081fa2f268517ec747bd6534674bcce5
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

4 files changed, 27 insertions, 10 deletions

diff --git a/src/client/qwaylanddisplay_p.h b/src/client/qwaylanddisplay_p.h
index 0dd8d7aff..43ccc0a96 100644
--- a/src/client/qwaylanddisplay_p.h
+++ b/src/client/qwaylanddisplay_p.h
@@ -195,6 +195,11 @@ private:
     void requestWaylandSync();
 
     struct Listener {
+        Listener() = default;
+        Listener(RegistryListener incomingListener,
+                 void* incomingData)
+        : listener(incomingListener), data(incomingData)
+        {}
         RegistryListener listener = nullptr;
         void *data = nullptr;
     };
diff --git a/src/compositor/compositor_api/qwaylandquickitem.cpp b/src/compositor/compositor_api/qwaylandquickitem.cpp
index a5de3a903..77a9247a9 100644
--- a/src/compositor/compositor_api/qwaylandquickitem.cpp
+++ b/src/compositor/compositor_api/qwaylandquickitem.cpp
@@ -884,17 +884,17 @@ void QWaylandQuickItem::handleSurfaceChanged()
 {
     Q_D(QWaylandQuickItem);
     if (d->oldSurface) {
-        disconnect(d->oldSurface, &QWaylandSurface::hasContentChanged, this, &QWaylandQuickItem::surfaceMappedChanged);
-        disconnect(d->oldSurface, &QWaylandSurface::parentChanged, this, &QWaylandQuickItem::parentChanged);
-        disconnect(d->oldSurface, &QWaylandSurface::sizeChanged, this, &QWaylandQuickItem::updateSize);
-        disconnect(d->oldSurface, &QWaylandSurface::bufferScaleChanged, this, &QWaylandQuickItem::updateSize);
-        disconnect(d->oldSurface, &QWaylandSurface::configure, this, &QWaylandQuickItem::updateBuffer);
-        disconnect(d->oldSurface, &QWaylandSurface::redraw, this, &QQuickItem::update);
-        disconnect(d->oldSurface, &QWaylandSurface::childAdded, this, &QWaylandQuickItem::handleSubsurfaceAdded);
-        disconnect(d->oldSurface, &QWaylandSurface::subsurfacePlaceAbove, this, &QWaylandQuickItem::handlePlaceAbove);
-        disconnect(d->oldSurface, &QWaylandSurface::subsurfacePlaceBelow, this, &QWaylandQuickItem::handlePlaceBelow);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::hasContentChanged, this, &QWaylandQuickItem::surfaceMappedChanged);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::parentChanged, this, &QWaylandQuickItem::parentChanged);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::sizeChanged, this, &QWaylandQuickItem::updateSize);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::bufferScaleChanged, this, &QWaylandQuickItem::updateSize);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::configure, this, &QWaylandQuickItem::updateBuffer);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::redraw, this, &QQuickItem::update);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::childAdded, this, &QWaylandQuickItem::handleSubsurfaceAdded);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::subsurfacePlaceAbove, this, &QWaylandQuickItem::handlePlaceAbove);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::subsurfacePlaceBelow, this, &QWaylandQuickItem::handlePlaceBelow);
 #if QT_CONFIG(draganddrop)
-        disconnect(d->oldSurface, &QWaylandSurface::dragStarted, this, &QWaylandQuickItem::handleDragStarted);
+        disconnect(d->oldSurface.data(), &QWaylandSurface::dragStarted, this, &QWaylandQuickItem::handleDragStarted);
 #endif
 #if QT_CONFIG(im)
         disconnect(d->oldSurface->inputMethodControl(), &QWaylandInputMethodControl::updateInputMethod, this, &QWaylandQuickItem::updateInputMethod);
diff --git a/src/compositor/extensions/qwaylandxdgshell_p.h b/src/compositor/extensions/qwaylandxdgshell_p.h
index 5ef8bde3d..9d1140fbd 100644
--- a/src/compositor/extensions/qwaylandxdgshell_p.h
+++ b/src/compositor/extensions/qwaylandxdgshell_p.h
@@ -136,6 +136,12 @@ class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandXdgToplevelPrivate : public QObjectPri
     Q_DECLARE_PUBLIC(QWaylandXdgToplevel)
 public:
     struct ConfigureEvent {
+        ConfigureEvent() = default;
+        ConfigureEvent(const QVector<QWaylandXdgToplevel::State>
+                       &incomingStates,
+                       const QSize &incomingSize, uint incomingSerial)
+        : states(incomingStates), size(incomingSize), serial(incomingSerial)
+        { }
         QVector<QWaylandXdgToplevel::State> states;
         QSize size = {0, 0};
         uint serial = 0;
diff --git a/src/compositor/extensions/qwaylandxdgshellv6_p.h b/src/compositor/extensions/qwaylandxdgshellv6_p.h
index e763f6ab4..adc25cb71 100644
--- a/src/compositor/extensions/qwaylandxdgshellv6_p.h
+++ b/src/compositor/extensions/qwaylandxdgshellv6_p.h
@@ -135,6 +135,12 @@ class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandXdgToplevelV6Private : public QObjectP
     Q_DECLARE_PUBLIC(QWaylandXdgToplevelV6)
 public:
     struct ConfigureEvent {
+        ConfigureEvent() = default;
+        ConfigureEvent(const QVector<QWaylandXdgToplevelV6::State>
+                       &incomingStates,
+                       const QSize &incomingSize, uint incomingSerial)
+        : states(incomingStates), size(incomingSize), serial(incomingSerial)
+        { }
         QVector<QWaylandXdgToplevelV6::State> states;
         QSize size = {0, 0};
         uint serial = 0;