Add manual test embeddedintoforeignwindow

Add a test for embedding Qt windows into foreign windows.
Complements the existing "foreignwindows" test (which embeds
foreign windows into Qt).

The test has a simple UI based on QRasterWindow allowing
for checking events and geometries.

Task-number: QTBUG-41186
Change-Id: Ie62a3e250ca666e2fa5c2e3ef37ef0654829397c
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

1 files changed, 126 insertions, 0 deletions

diff --git a/tests/manual/embeddedintoforeignwindow/itemwindow.h b/tests/manual/embeddedintoforeignwindow/itemwindow.h
new file mode 100644
index 0000000000..8ea9adaa16
--- /dev/null
+++ b/tests/manual/embeddedintoforeignwindow/itemwindow.h
@@ -0,0 +1,126 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ITEMWINDOW_H
+#define ITEMWINDOW_H
+
+#include <QtGui/QKeySequence>
+#include <QtGui/QRasterWindow>
+
+QT_USE_NAMESPACE
+
+// ItemWindow: Primitive UI item classes for use with a ItemWindow based
+// on QRasterWindow without widgets allowing a simple UI without widgets.
+
+// Basic item to be used in a ItemWindow
+class Item : public QObject {
+    Q_OBJECT
+public:
+    explicit Item(QObject *parent = nullptr) : QObject(parent) {}
+
+    virtual void paint(QPainter &painter) = 0;
+    virtual void mouseEvent(QMouseEvent *) {}
+    virtual void keyEvent(QKeyEvent *) {}
+};
+
+// Positionable text item
+class TextItem : public Item {
+    Q_OBJECT
+public:
+    explicit TextItem(const QString &text, const QRect &rect, const QColor &col,
+                      QObject *parent = nullptr)
+        : Item(parent), m_text(text), m_rect(rect), m_col(col) {}
+
+    void paint(QPainter &painter) override;
+
+    QRect rect() const { return m_rect; }
+
+private:
+    const QString m_text;
+    const QRect m_rect;
+    const QColor m_col;
+};
+
+// "button" item
+class ButtonItem : public TextItem {
+    Q_OBJECT
+public:
+    explicit ButtonItem(const QString &text, const QRect &rect, const QColor &col,
+                        QObject *parent = nullptr)
+        : TextItem(text, rect, col, parent), m_shortcut(0) {}
+
+    void mouseEvent(QMouseEvent *mouseEvent) override;
+    void keyEvent(QKeyEvent *keyEvent) override;
+
+    int shortcut() const { return m_shortcut; }
+    void setShortcut(int shortcut) { m_shortcut = shortcut; }
+
+signals:
+    void clicked();
+
+private:
+    int m_shortcut;
+};
+
+#define PROPAGATE_EVENT(windowHandler, eventClass, itemHandler) \
+void windowHandler(eventClass *e) override \
+{  \
+   foreach (Item *i, m_items) \
+        i->itemHandler(e); \
+}
+
+class ItemWindow : public QRasterWindow {
+    Q_OBJECT
+public:
+    explicit ItemWindow(QWindow *parent = nullptr) : QRasterWindow(parent), m_background(Qt::white) {}
+
+    void addItem(Item *item) { m_items.append(item); }
+
+    QColor background() const { return m_background; }
+    void setBackground(const QColor &background) { m_background = background; }
+
+protected:
+    void paintEvent(QPaintEvent *) override;
+    PROPAGATE_EVENT(mousePressEvent, QMouseEvent, mouseEvent)
+    PROPAGATE_EVENT(mouseReleaseEvent, QMouseEvent, mouseEvent)
+    PROPAGATE_EVENT(mouseDoubleClickEvent, QMouseEvent, mouseEvent)
+    PROPAGATE_EVENT(mouseMoveEvent, QMouseEvent, mouseEvent)
+    PROPAGATE_EVENT(keyPressEvent, QKeyEvent, keyEvent)
+    PROPAGATE_EVENT(keyReleaseEvent, QKeyEvent, keyEvent)
+
+private:
+    QList<Item *> m_items;
+    QColor m_background;
+};
+
+#endif // ITEMWINDOW_H