QML Observer: Build together on runtime with debugging tools

Moved qmljsdebugger to a dir under qml/, made qmlobserver compile
without creator dependencies and made it compile with debugging
helpers.

Reviewed-by: hjk

share/qtcreator/qml/qmljsdebugger/editor/selectionrectangle.h

@@ -0,0 +1,62 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#ifndef SELECTIONRECTANGLE_H
+#define SELECTIONRECTANGLE_H
+
+#include <QWeakPointer>
+#include <QGraphicsRectItem>
+#include <QGraphicsObject>
+
+namespace QmlJSDebugger {
+
+class SelectionRectangle
+{
+public:
+    SelectionRectangle(QGraphicsObject *layerItem);
+    ~SelectionRectangle();
+
+    void show();
+    void hide();
+
+    void clear();
+
+    void setRect(const QPointF &firstPoint,
+                 const QPointF &secondPoint);
+
+    QRectF rect() const;
+
+private:
+    QGraphicsRectItem *m_controlShape;
+    QWeakPointer<QGraphicsObject> m_layerItem;
+};
+
+}
+
+#endif // SELECTIONRECTANGLE_H