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105 lines
3.6 KiB
105 lines
3.6 KiB
14 years ago
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain
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** additional rights. These rights are described in the Nokia Qt LGPL
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** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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** package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at qt-sales@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef WBMODELMENU_H
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#define WBMODELMENU_H
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#include <QtGui>
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// A QMenu that is dynamically populated from a QAbstractItemModel
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class WBModelMenu : public QMenu
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{
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Q_OBJECT
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signals:
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void activated(const QModelIndex &index);
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void hovered(const QString &text);
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public:
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WBModelMenu(QWidget *parent = 0);
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void setModel(QAbstractItemModel *model);
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QAbstractItemModel *model() const;
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void setMaxRows(int max);
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int maxRows() const;
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void setFirstSeparator(int offset);
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int firstSeparator() const;
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void setRootIndex(const QModelIndex &index);
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QModelIndex rootIndex() const;
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void setHoverRole(int role);
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int hoverRole() const;
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void setSeparatorRole(int role);
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int separatorRole() const;
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QAction *makeAction(const QIcon &icon, const QString &text, QObject *parent);
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protected:
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// add any actions before the tree, return true if any actions are added.
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virtual bool prePopulated();
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// add any actions after the tree
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virtual void postPopulated();
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// put all of the children of parent into menu up to max
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void createMenu(const QModelIndex &parent, int max, QMenu *parentMenu = 0, QMenu *menu = 0);
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private slots:
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void aboutToShow();
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void triggered(QAction *action);
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void hovered(QAction *action);
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private:
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QAction *makeAction(const QModelIndex &index);
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int m_maxRows;
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int m_firstSeparator;
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int m_maxWidth;
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int m_hoverRole;
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int m_separatorRole;
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QAbstractItemModel *m_model;
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QPersistentModelIndex m_root;
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};
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#endif // WBMODELMENU_H
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