src/ghotkey/ghotkeytrigger.h

   1 /*
   2  * ghotkeytrigger.h - Helper class activating global shortcut
   3  * Copyright (C) 2006  Maciej Niedzielski
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  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.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20 #ifndef GHOTKEYTRIGGER_H
  21 #define GHOTKEYTRIGGER_H
  22
  23 #include <QObject>
  24
  25 #include "ghotkeyman.h"
  26
  27
  28 class GHotKeyMan::KeyTrigger : public QObject {
  29   Q_OBJECT
  30
  31 public:
  32   /**
  33    * Is there any slot connected to this hotkey?
  34    */
  35   bool isUsed () const { return QObject::receivers(SIGNAL(activated())) > 0; }
  36
  37 signals:
  38   void activated();
  39
  40 private:
  41   /**
  42    * Registers the \a key.
  43    */
  44   KeyTrigger (const QKeySequence &key);
  45   /**
  46    * Unregisters the key.
  47    */
  48   ~KeyTrigger ();
  49
  50   friend class GHotKeyMan;
  51
  52   /**
  53    * Platform-specific helper
  54    */
  55   class Impl;
  56   Impl* d;
  57 };
  58
  59
  60 #endif