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+/*
+ This file is part of KOrganizer.
+
+ Copyright (c) 2000,2003 Cornelius Schumacher <schumacher@kde.org>
+
+ 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.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ As a special exception, permission is given to link this program
+ with any edition of Qt, and distribute the resulting executable,
+ without including the source code for Qt in the source distribution.
+*/
+#ifndef KOWINDOWLIST_H
+#define KOWINDOWLIST_H
+
+#include <qobject.h>
+
+namespace KOrg {
+class MainWindow;
+}
+
+class KURL;
+
+/**
+ This class manages a list of KOrganizer instances, each associated with a
+ window displaying a calendar. It acts as relay for signals between this
+ windows and manages information, which requires interaction of all instances.
+
+ @short manages a list of all KOrganizer instances
+ @author Cornelius Schumacher
+*/
+class KOWindowList : public QObject
+{
+ Q_OBJECT
+ public:
+ /**
+ Constructs a new list of KOrganizer windows. There should only be one
+ instance of this class. The ActionManager class takes care of this.
+ */
+ KOWindowList( const char *name = 0 );
+ virtual ~KOWindowList();
+
+ /**
+ Is there only one instance left?
+ */
+ bool lastInstance();
+
+ /**
+ Is there a instance with this URL?
+ */
+ KOrg::MainWindow *findInstance( const KURL &url );
+
+ /**
+ Return default instance. This is the main window for the resource based
+ calendar.
+ */
+ KOrg::MainWindow *defaultInstance();
+
+ public slots:
+ /**
+ Register a main window.
+ */
+ void addWindow( KOrg::MainWindow * );
+ /**
+ Unregister a main window.
+ */
+ void removeWindow( KOrg::MainWindow * );
+
+ private:
+ QPtrList<KOrg::MainWindow> mWindowList; // list of all existing KOrganizer instances
+
+ KOrg::MainWindow *mDefaultWindow;
+};
+
+#endif