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Diffstat (limited to 'libkdegames/kgame/kgameproperty.cpp')
| -rw-r--r-- | libkdegames/kgame/kgameproperty.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/libkdegames/kgame/kgameproperty.cpp b/libkdegames/kgame/kgameproperty.cpp new file mode 100644 index 00000000..68a33bcb --- /dev/null +++ b/libkdegames/kgame/kgameproperty.cpp @@ -0,0 +1,211 @@ +/* + This file is part of the KDE games library + Copyright (C) 2001 Andreas Beckermann (b_mann@gmx.de) + Copyright (C) 2001 Martin Heni (martin@heni-online.de) + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License version 2 as published by the Free Software Foundation. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ +/* + $Id$ +*/ + +#include "kgameproperty.h" +#include "kgamepropertyhandler.h" +#include "kgamemessage.h" +#include "kplayer.h" +#include "kgame.h" + +#define KPLAYERHANDLER_LOAD_COOKIE 6239 + +KGamePropertyBase::KGamePropertyBase(int id, KGame* parent) +{ + init(); + registerData(id, parent); +} + +KGamePropertyBase::KGamePropertyBase(int id, KPlayer* parent) +{ + init(); + registerData(id, parent); +} + +KGamePropertyBase::KGamePropertyBase(int id, KGamePropertyHandler* owner) +{ + init(); + registerData(id, owner); +} + +KGamePropertyBase::KGamePropertyBase() +{ + init(); +} + +KGamePropertyBase::~KGamePropertyBase() +{ + unregisterData(); +} + +void KGamePropertyBase::init() +{ + mOwner = 0; + setDirty(false); + + // this is very useful and used by e.g. KGameDialog so + // it is activated by default. Big games may profit by deactivating it to get + // a better performance. + setEmittingSignal(true); + + setOptimized(false); + + //setReadOnly(false); + mFlags.bits.locked = false ; // setLocked(false); is NOT possible as it checks whether isLocked() allows to change the status + + // local is default + setPolicy(PolicyLocal); +} + +int KGamePropertyBase::registerData(int id, KGame* owner, QString name) +{ return registerData(id, owner->dataHandler(), name); } + +int KGamePropertyBase::registerData(int id, KPlayer* owner, QString name) +{ return registerData(id, owner->dataHandler(), name); } + +int KGamePropertyBase::registerData( KGamePropertyHandler* owner,PropertyPolicy p, QString name) +{ return registerData(-1, owner,p, name); } + +int KGamePropertyBase::registerData(int id, KGamePropertyHandler* owner, QString name) +{ return registerData(id, owner,PolicyUndefined, name); } + +int KGamePropertyBase::registerData(int id, KGamePropertyHandler* owner,PropertyPolicy p, QString name) +{ +// we don't support changing the id + if (!owner) { + kdWarning(11001) << k_funcinfo << "Resetting owner=0. Sure you want to do this?" << endl; + mOwner=0; + return -1; + } + if (!mOwner) { + if (id==-1) { + id=owner->uniquePropertyId(); + } + mId = id; + mOwner = owner; + mOwner->addProperty(this, name); + if (p!=PolicyUndefined) { + setPolicy(p); + } else { + setPolicy(mOwner->policy()); + } + } + return mId; +} + +void KGamePropertyBase::unregisterData() +{ + if (!mOwner) { + return; + } + mOwner->removeProperty(this); + mOwner = 0; +} + +bool KGamePropertyBase::sendProperty() +{ + QByteArray b; + QDataStream s(b, IO_WriteOnly); + KGameMessage::createPropertyHeader(s, id()); + save(s); + if (mOwner) { + return mOwner->sendProperty(s); + } else { + kdError(11001) << k_funcinfo << "Cannot send because there is no receiver defined" << endl; + return false; + } +} + +bool KGamePropertyBase::sendProperty(const QByteArray& data) +{ + QByteArray b; + QDataStream s(b, IO_WriteOnly); + KGameMessage::createPropertyHeader(s, id()); + s.writeRawBytes(data.data(), data.size()); + if (mOwner) { + return mOwner->sendProperty(s); + } else { + kdError(11001) << k_funcinfo << ": Cannot send because there is no receiver defined" << endl; + return false; + } +} + +bool KGamePropertyBase::lock() +{ + if (isLocked()) { + return false; + } + setLock(true); + return true; +} + +bool KGamePropertyBase::unlock(bool force) +{ + if (isLocked() && !force) { + return false; + } + setLock(false); + return true; +} + +void KGamePropertyBase::setLock(bool l) +{ + QByteArray b; + QDataStream s(b, IO_WriteOnly); + KGameMessage::createPropertyCommand(s, IdCommand, id(), CmdLock); + + s << (Q_INT8)l; + if (mOwner) { + mOwner->sendProperty(s); + } else { + kdError(11001) << k_funcinfo << ": Cannot send because there is no receiver defined" << endl; + return ; + } +} + +void KGamePropertyBase::emitSignal() +{ + //kdDebug(11001) << k_funcinfo << ": mOwnerP="<< mOwner << " id=" << id() << endl; + if (mOwner ) { + mOwner->emitSignal(this); + } else { + kdError(11001) << k_funcinfo << ":id="<<id()<<" Cannot emitSignal because there is no handler set" << endl; + } +} + +void KGamePropertyBase::command(QDataStream& s, int cmd, bool isSender) +{ + switch (cmd) { + case CmdLock: + { + if (!isSender) { + Q_INT8 locked; + s >> locked; + mFlags.bits.locked = (bool)locked ; + break; + } + } + default: // probably in derived classes + break; + } +} + |