editors/sc-ide/core/sig_mux.hpp

   1 /*
   2     SuperCollider Qt IDE
   3     Copyright (c) 2012 Jakob Leben & Tim Blechmann
   4     http://www.audiosynth.com
   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
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  19 */
  20
  21 #ifndef SCIDE_SIG_MUX_HPP_INCLUDED
  22 #define SCIDE_SIG_MUX_HPP_INCLUDED
  23
  24 #include <QObject>
  25 #include <QPointer>
  26 #include <QList>
  27
  28 namespace ScIDE {
  29
  30 class SignalMultiplexer : public QObject
  31 {
  32     Q_OBJECT
  33
  34 public:
  35     SignalMultiplexer(QObject *parent = 0);
  36
  37     void connect(QObject *sender, const char *signal, const char *slot);
  38     bool disconnect(QObject *sender, const char *signal, const char *slot);
  39     void connect(const char *signal, QObject *receiver, const char *slot);
  40     bool disconnect(const char *signal, QObject *receiver, const char *slot);
  41
  42     QObject *currentObject() const { return mObject; }
  43
  44 public slots:
  45     void setCurrentObject(QObject *newObject);
  46
  47 private:
  48     struct Connection
  49     {
  50         QPointer<QObject> sender;
  51         QPointer<QObject> receiver;
  52         const char *signal;
  53         const char *slot;
  54     };
  55
  56     void connect(const Connection &conn);
  57     void disconnect(const Connection &conn);
  58
  59     QPointer<QObject> mObject;
  60     QList<Connection> mConnections;
  61 };
  62
  63 } // namespace ScIDE
  64
  65 #endif