multisignalmapper.cpp

   1 /*
   2   multisignalmapper.cpp
   3
   4   This file is part of GammaRay, the Qt application inspection and
   5   manipulation tool.
   6
   7   Copyright (C) 2010-2011 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
   8   Author: Volker Krause <volker.krause@kdab.com>
   9
  10   This program is free software; you can redistribute it and/or modify
  11   it under the terms of the GNU General Public License as published by
  12   the Free Software Foundation, either version 2 of the License, or
  13   (at your option) any later version.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License
  21   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "multisignalmapper.h"
  25 #include <qmetaobject.h>
  26 #include <qsignalmapper.h>
  27 #include <qdebug.h>
  28
  29 using namespace GammaRay;
  30
  31 MultiSignalMapper::MultiSignalMapper(QObject *parent) : QObject(parent)
  32 {
  33 }
  34
  35 MultiSignalMapper::~MultiSignalMapper()
  36 {
  37   qDeleteAll(m_mappers);
  38   m_mappers.clear();
  39 }
  40
  41 void MultiSignalMapper::connectToSignal(QObject *sender, const QMetaMethod &signal)
  42 {
  43   if (m_mappers.size() <= signal.methodIndex()) {
  44     m_mappers.resize(signal.methodIndex() + 1);
  45   }
  46
  47   QSignalMapper *mapper = m_mappers.at(signal.methodIndex());
  48   if (!mapper) {
  49     mapper = new QSignalMapper(this);
  50     connect(mapper, SIGNAL(mapped(QObject*)), SLOT(slotMapped(QObject*)));
  51     m_mappers[signal.methodIndex()] = mapper;
  52   }
  53
  54   mapper->setMapping(sender, sender);
  55   connect(sender, QByteArray::number(QSIGNAL_CODE) + signal.signature(),
  56           mapper, SLOT(map()), Qt::UniqueConnection);
  57 }
  58
  59 void MultiSignalMapper::slotMapped(QObject *object)
  60 {
  61   emit signalEmitted(object, m_mappers.indexOf(static_cast<QSignalMapper*>(sender())));
  62 }
  63
  64 #include "multisignalmapper.moc"