korganizer/src/kowindowlist.h

   1 /*
   2   This file is part of KOrganizer.
   3
   4   Copyright (c) 2000,2003 Cornelius Schumacher <schumacher@kde.org>
   5
   6   This program is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation; either version 2 of the License, or
   9   (at your option) any later version.
  10
  11   This program is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License along
  17   with this program; if not, write to the Free Software Foundation, Inc.,
  18   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19
  20   As a special exception, permission is given to link this program
  21   with any edition of Qt, and distribute the resulting executable,
  22   without including the source code for Qt in the source distribution.
  23 */
  24
  25 #ifndef KORG_KOWINDOWLIST_H
  26 #define KORG_KOWINDOWLIST_H
  27
  28 #include <QObject>
  29
  30 namespace KOrg
  31 {
  32 class MainWindow;
  33 }
  34
  35 class QUrl;
  36
  37 /**
  38   This class manages a list of KOrganizer instances, each associated with a
  39   window displaying a calendar. It acts as relay for signals between this
  40   windows and manages information, which requires interaction of all instances.
  41
  42   @short manages a list of all KOrganizer instances
  43   @author Cornelius Schumacher
  44 */
  45 class KOWindowList : public QObject
  46 {
  47     Q_OBJECT
  48 public:
  49     /**
  50       Constructs a new list of KOrganizer windows. There should only be one
  51       instance of this class. The ActionManager class takes care of this.
  52     */
  53     KOWindowList();
  54     virtual ~KOWindowList();
  55
  56     /**
  57       Is there only one instance left?
  58     */
  59     bool lastInstance();
  60
  61     /**
  62       Is there a instance with this URL?
  63     */
  64     KOrg::MainWindow *findInstance(const QUrl &url);
  65
  66     /**
  67       Return default instance. This is the main window for the resource based
  68       calendar.
  69     */
  70     KOrg::MainWindow *defaultInstance();
  71
  72 public Q_SLOTS:
  73     /**
  74       Register a main window.
  75     */
  76     void addWindow(KOrg::MainWindow *);
  77     /**
  78       Unregister a main window.
  79     */
  80     void removeWindow(KOrg::MainWindow *);
  81
  82 private:
  83     QList<KOrg::MainWindow *> mWindowList; // list of all existing KOrganizer instances
  84
  85     KOrg::MainWindow *mDefaultWindow;
  86 };
  87
  88 #endif