1 files changed, 112 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_inspector/sgselectiontool.cpp b/src/plugins/qmltooling/qmldbg_inspector/sgselectiontool.cpp
new file mode 100644
index 0000000000..ec0a6ced9e
--- /dev/null
+++ b/src/plugins/qmltooling/qmldbg_inspector/sgselectiontool.cpp
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "sgselectiontool.h"
+
+#include "sgviewinspector.h"
+
+#include <QtGui/QMouseEvent>
+#include <QtDeclarative/QSGView>
+#include <QtDeclarative/QSGItem>
+#include <QtDeclarative/private/qsgitem_p.h>
+#include <QtDeclarative/private/qsgrectangle_p.h>
+
+/*
+ * Returns the first visible item at the given position, or 0 when no such
+ * child exists.
+ */
+static QSGItem *itemAt(QSGItem *item, const QPointF &pos, QSGItem *overlay)
+{
+    if (item == overlay)
+        return 0;
+
+    if (!item->isVisible() || item->opacity() == 0.0)
+        return 0;
+
+    if (item->flags() & QSGItem::ItemClipsChildrenToShape) {
+        if (!QRectF(0, 0, item->width(), item->height()).contains(pos))
+            return 0;
+    }
+
+    QList<QSGItem *> children = QSGItemPrivate::get(item)->paintOrderChildItems();
+    for (int i = children.count() - 1; i >= 0; --i) {
+        QSGItem *child = children.at(i);
+        if (QSGItem *betterCandidate = itemAt(child, item->mapToItem(child, pos), overlay))
+            return betterCandidate;
+    }
+
+    if (!(item->flags() & QSGItem::ItemHasContents))
+        return 0;
+
+    if (!QRectF(0, 0, item->width(), item->height()).contains(pos))
+        return 0;
+
+    return item;
+}
+
+
+SGSelectionTool::SGSelectionTool(SGViewInspector *inspector) :
+    SGAbstractTool(inspector),
+    m_hoverHighlight(new QSGRectangle(inspector->overlay()))
+{
+    m_hoverHighlight->border()->setColor(QColor(64, 128, 255));
+    m_hoverHighlight->setColor(Qt::transparent);
+}
+
+void SGSelectionTool::leaveEvent(QEvent *)
+{
+    m_hoverHighlight->setVisible(false);
+}
+
+void SGSelectionTool::hoverMoveEvent(QMouseEvent *event)
+{
+    QSGItem *root = inspector()->view()->rootItem();
+    QPointF mappedPos = root->mapFromScene(event->pos());
+    QSGItem *item = itemAt(root, mappedPos, inspector()->overlay());
+    if (!item || item == root) {
+        m_hoverHighlight->setVisible(false);
+        return;
+    }
+
+    m_hoverHighlight->setSize(QSizeF(item->width() - 1, item->height() - 1));
+    m_hoverHighlight->setPos(root->mapFromItem(item->parentItem(), item->pos()));
+    m_hoverHighlight->setVisible(true);
+}