editors/sc-ide/core/sig_mux.cpp

   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 #include "sig_mux.hpp"
  22
  23 namespace ScIDE {
  24
  25 SignalMultiplexer::SignalMultiplexer(QObject *parent) :
  26     QObject(parent)
  27 {}
  28
  29 void SignalMultiplexer::connect(QObject *sender, const char *signal, const char *slot)
  30 {
  31     Connection conn;
  32     conn.sender = sender;
  33     conn.signal = signal;
  34     conn.slot = slot;
  35
  36     mConnections << conn;
  37     connect(conn);
  38 }
  39
  40 bool SignalMultiplexer::disconnect(QObject *sender, const char *signal, const char *slot)
  41 {
  42     QList<Connection>::Iterator it;
  43     for (it = mConnections.begin(); it != mConnections.end(); ++it) {
  44         Connection conn = *it;
  45         if ((QObject*)conn.sender == sender &&
  46                 qstrcmp(conn.signal, signal) == 0 && qstrcmp(conn.slot, slot) == 0) {
  47             disconnect(conn);
  48             mConnections.erase(it);
  49             return true;
  50         }
  51     }
  52     return false;
  53 }
  54
  55 void SignalMultiplexer::connect(const char *signal, QObject *receiver, const char *slot)
  56 {
  57     Connection conn;
  58     conn.receiver = receiver;
  59     conn.signal = signal;
  60     conn.slot = slot;
  61
  62     mConnections << conn;
  63     connect(conn);
  64 }
  65
  66 bool SignalMultiplexer::disconnect(const char *signal, QObject *receiver, const char *slot)
  67 {
  68     QList<Connection>::Iterator it;
  69     for (it = mConnections.begin(); it != mConnections.end(); ++it) {
  70         Connection conn = *it;
  71         if ((QObject*)conn.receiver == receiver &&
  72                 qstrcmp(conn.signal, signal) == 0 && qstrcmp(conn.slot, slot) == 0) {
  73             disconnect(conn);
  74             mConnections.erase(it);
  75             return true;
  76         }
  77     }
  78     return false;
  79 }
  80
  81 void SignalMultiplexer::connect(const Connection &conn)
  82 {
  83     if (!mObject)
  84         return;
  85     if (!conn.sender && !conn.receiver)
  86         return;
  87
  88     if (conn.sender)
  89         QObject::connect((QObject*)conn.sender, conn.signal, (QObject*)mObject, conn.slot);
  90     else
  91         QObject::connect((QObject*)mObject, conn.signal, (QObject*)conn.receiver, conn.slot);
  92 }
  93
  94 void SignalMultiplexer::disconnect(const Connection &conn)
  95 {
  96     if (!mObject)
  97         return;
  98     if (!conn.sender && !conn.receiver)
  99         return;
 100
 101     if (conn.sender)
 102         QObject::disconnect((QObject*)conn.sender, conn.signal, (QObject*)mObject, conn.slot);
 103     else
 104         QObject::disconnect((QObject*)mObject, conn.signal, (QObject*)conn.receiver, conn.slot);
 105 }
 106
 107
 108 void SignalMultiplexer::setCurrentObject(QObject *newObject)
 109 {
 110     if (newObject == mObject)
 111         return;
 112
 113     QList<Connection>::ConstIterator it;
 114     for (it = mConnections.begin(); it != mConnections.end(); ++it)
 115         disconnect(*it);
 116     mObject = newObject;
 117     for (it = mConnections.begin(); it != mConnections.end(); ++it)
 118         connect(*it);
 119 }
 120
 121 } // namespace ScIDE