Fix QtQuick build

src/ is no longer in the include path

src/DockWidgetQuick.cpp

@@ -0,0 +1,89 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019-2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "DockWidgetQuick.h"
+
+#include <Config.h>
+#include <QQuickItem>
+#include <QCloseEvent>
+
+/**
+ * @file
+ * @brief Represents a dock widget.
+ *
+ * @author Sérgio Martins \<sergio.martins@kdab.com\>
+ */
+
+using namespace KDDockWidgets;
+
+class DockWidgetQuick::Private
+{
+public:
+    Private(DockWidgetQuick *dw)
+        : q(dw)
+        , m_visualItem(q->createItem(Config::self().qmlEngine(), QStringLiteral("qrc:/kddockwidgets/private/quick/qml/DockWidget.qml")))
+    {
+        Q_ASSERT(m_visualItem);
+        m_visualItem->setParent(q);
+        m_visualItem->setParentItem(q);
+    }
+
+    DockWidgetBase *const q;
+    QQuickItem *const m_visualItem;
+};
+
+DockWidgetQuick::DockWidgetQuick(const QString &name, Options options)
+    : DockWidgetBase(name, options)
+    , d(new Private(this))
+{
+    // To mimic what QtWidgets does when creating a new QWidget.
+    setVisible(false);
+}
+
+DockWidgetQuick::~DockWidgetQuick()
+{
+    delete d;
+}
+
+void DockWidgetQuick::setWidget(const QString &qmlFilename)
+{
+    QQuickItem *guest = createItem(Config::self().qmlEngine(), qmlFilename);
+    if (!guest)
+        return;
+
+    auto adapter = new QWidgetAdapter(this);
+    guest->setParentItem(adapter);
+    guest->setParent(adapter);
+
+    setWidget(adapter);
+}
+
+void DockWidgetQuick::setWidget(QWidgetOrQuick *widget)
+{
+    widget->QWidgetAdapter::setParent(this);
+    QWidgetAdapter::makeItemFillParent(widget);
+    DockWidgetBase::setWidget(widget);
+}
+
+bool DockWidgetQuick::event(QEvent *e)
+{
+    if (e->type() == QEvent::ParentChange) {
+        onParentChanged();
+    } else if (e->type() == QEvent::Show) {
+        onShown(e->spontaneous());
+    } else if (e->type() == QEvent::Hide) {
+        onHidden(e->spontaneous());
+    } else if (e->type() == QEvent::Close) {
+        onCloseEvent(static_cast<QCloseEvent*>(e));
+    }
+
+    return DockWidgetBase::event(e);
+}