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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MODELMENU_H
+#define MODELMENU_H
+
+#include <QtGui/QMenu>
+#include <QtCore/QAbstractItemModel>
+
+// A QMenu that is dynamically populated from a QAbstractItemModel
+class ModelMenu : public QMenu
+{
+ Q_OBJECT
+
+signals:
+ void activated(const QModelIndex &index);
+ void hovered(const QString &text);
+
+public:
+ ModelMenu(QWidget *parent = 0);
+
+ void setModel(QAbstractItemModel *model);
+ QAbstractItemModel *model() const;
+
+ void setMaxRows(int max);
+ int maxRows() const;
+
+ void setFirstSeparator(int offset);
+ int firstSeparator() const;
+
+ void setRootIndex(const QModelIndex &index);
+ QModelIndex rootIndex() const;
+
+ void setHoverRole(int role);
+ int hoverRole() const;
+
+ void setSeparatorRole(int role);
+ int separatorRole() const;
+
+ QAction *makeAction(const QIcon &icon, const QString &text, QObject *parent);
+
+protected:
+ // add any actions before the tree, return true if any actions are added.
+ virtual bool prePopulated();
+ // add any actions after the tree
+ virtual void postPopulated();
+ // put all of the children of parent into menu up to max
+ void createMenu(const QModelIndex &parent, int max, QMenu *parentMenu = 0, QMenu *menu = 0);
+
+private slots:
+ void aboutToShow();
+ void triggered(QAction *action);
+ void hovered(QAction *action);
+
+private:
+ QAction *makeAction(const QModelIndex &index);
+ int m_maxRows;
+ int m_firstSeparator;
+ int m_maxWidth;
+ int m_hoverRole;
+ int m_separatorRole;
+ QAbstractItemModel *m_model;
+ QPersistentModelIndex m_root;
+};
+
+#endif // MODELMENU_H
+