Add callgrind plugin.

Merge-request: 284
Reviewed-by: hjk <qtc-committer@nokia.com>

src/plugins/callgrind/callgrindcostdelegate.h

@@ -0,0 +1,86 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** No Commercial Usage
+**
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#ifndef CALLGRINDCOSTDELEGATE_H
+#define CALLGRINDCOSTDELEGATE_H
+
+#include <QtGui/QStyledItemDelegate>
+
+namespace Valgrind {
+namespace Callgrind {
+class AbstractModel;
+}
+}
+
+namespace Callgrind {
+namespace Internal {
+
+
+class CostDelegate : public QStyledItemDelegate
+{
+    Q_OBJECT
+
+public:
+    explicit CostDelegate(QObject *parent = 0);
+    virtual ~CostDelegate();
+
+    virtual void paint(QPainter *painter, const QStyleOptionViewItem &option,
+                       const QModelIndex &index) const;
+    virtual QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
+
+    void setModel(Valgrind::Callgrind::AbstractModel *model);
+
+    enum CostFormat {
+        /// show absolute numbers
+        FormatAbsolute,
+        /// show percentages relative to the total inclusive cost
+        FormatRelative,
+        /// show percentages relative to the parent cost
+        FormatRelativeToParent
+    };
+
+    void setFormat(CostFormat format);
+    CostFormat format() const;
+
+private:
+    class Private;
+    Private *d;
+};
+
+
+} // Internal
+} // Callgrind
+
+Q_DECLARE_METATYPE(Callgrind::Internal::CostDelegate::CostFormat)
+
+#endif // CALLGRINDCOSTDELEGATE_H