Mercurial > hg > svgui
view widgets/SubdividingMenu.h @ 724:5d3a6ecdf2db
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author | Chris Cannam |
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date | Thu, 06 Feb 2014 15:31:46 +0000 |
parents | cd81066ac7ad |
children | e4773943c9c1 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _SUBDIVIDING_MENU_H_ #define _SUBDIVIDING_MENU_H_ #include <QMenu> #include <QString> #include <set> #include <map> /** * A menu that divides its entries into submenus, alphabetically. For * menus that may contain a very large or small number of named items * (e.g. plugins). * * The menu needs to be told, before any of the actions are added, * what the set of entry strings will be, so it can determine a * reasonable categorisation. Do this by calling the setEntries() * method. If it isn't practical to do this in advance, then add the * entries and call entriesAdded() afterwards instead. */ class SubdividingMenu : public QMenu { Q_OBJECT public: SubdividingMenu(size_t lowerLimit = 0, size_t upperLimit = 0, QWidget *parent = 0); SubdividingMenu(const QString &title, size_t lowerLimit = 0, size_t upperLimit = 0, QWidget *parent = 0); virtual ~SubdividingMenu(); void setEntries(const std::set<QString> &entries); void entriesAdded(); // Action names and strings passed to addAction and addMenu must // appear in the set previously given to setEntries. If you want // to use a different string, use the two-argument method and pass // the entry string (used to determine which submenu the action // ends up on) as the first argument. virtual void addAction(QAction *); virtual QAction *addAction(const QString &); virtual void addAction(const QString &entry, QAction *); virtual void addMenu(QMenu *); virtual QMenu *addMenu(const QString &); virtual void addMenu(const QString &entry, QMenu *); protected: std::map<QString, QMenu *> m_nameToChunkMenuMap; size_t m_lowerLimit; size_t m_upperLimit; bool m_entriesSet; std::map<QString, QObject *> m_pendingEntries; }; #endif