1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #ifndef _SETTINGSPAGE_H_
22 #define _SETTINGSPAGE_H_
26 //! A SettingsPage is a page in the settings dialog.
27 class SettingsPage : public QWidget {
31 SettingsPage(const QString &category, const QString &name, QWidget *parent = 0);
32 virtual ~SettingsPage() {};
33 virtual QString category() const;
34 virtual QString title() const;
35 virtual bool hasDefaults() const;
37 bool hasChanged() const;
39 //! Called immediately before save() is called.
40 /** Derived classes should return false if saving is not possible (e.g. the current settings are invalid).
41 * \return false, if the SettingsPage cannot be saved in its current state.
43 virtual bool aboutToSave();
46 virtual void save() = 0;
47 virtual void load() = 0;
48 virtual void defaults();
51 //! Calling this slot is equivalent to calling changeState(true).
55 //! This should be called whenever the widget state changes from unchanged to change or the other way round.
56 void changeState(bool hasChanged = true);
59 //! Emitted whenever the widget state changes.
60 void changed(bool hasChanged);
63 QString _category, _title;