mirror of
https://github.com/debauchee/barrier.git
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Initial commit of the synergy trunk sources from sf.net
This commit is contained in:
Sorin Sbarnea
commit
958fa80d1d
429 changed files with 96848 additions and 0 deletions
662
lib/client/CClient.cpp
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662
lib/client/CClient.cpp
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@ -0,0 +1,662 @@
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/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "CClient.h"
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#include "CServerProxy.h"
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#include "CScreen.h"
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#include "CClipboard.h"
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#include "CPacketStreamFilter.h"
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#include "CProtocolUtil.h"
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#include "ProtocolTypes.h"
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#include "XSynergy.h"
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#include "IDataSocket.h"
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#include "ISocketFactory.h"
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#include "IStreamFilterFactory.h"
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#include "CLog.h"
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#include "IEventQueue.h"
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#include "TMethodEventJob.h"
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//
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// CClient
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//
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CEvent::Type CClient::s_connectedEvent = CEvent::kUnknown;
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CEvent::Type CClient::s_connectionFailedEvent = CEvent::kUnknown;
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CEvent::Type CClient::s_disconnectedEvent = CEvent::kUnknown;
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CClient::CClient(const CString& name, const CNetworkAddress& address,
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ISocketFactory* socketFactory,
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IStreamFilterFactory* streamFilterFactory,
|
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CScreen* screen) :
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m_name(name),
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m_serverAddress(address),
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m_socketFactory(socketFactory),
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m_streamFilterFactory(streamFilterFactory),
|
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m_screen(screen),
|
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m_stream(NULL),
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m_timer(NULL),
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m_server(NULL),
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m_ready(false),
|
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m_active(false),
|
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m_suspended(false),
|
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m_connectOnResume(false)
|
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{
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assert(m_socketFactory != NULL);
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assert(m_screen != NULL);
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|
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// register suspend/resume event handlers
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EVENTQUEUE->adoptHandler(IScreen::getSuspendEvent(),
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getEventTarget(),
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new TMethodEventJob<CClient>(this,
|
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&CClient::handleSuspend));
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EVENTQUEUE->adoptHandler(IScreen::getResumeEvent(),
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getEventTarget(),
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new TMethodEventJob<CClient>(this,
|
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&CClient::handleResume));
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}
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CClient::~CClient()
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{
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EVENTQUEUE->removeHandler(IScreen::getSuspendEvent(),
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getEventTarget());
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EVENTQUEUE->removeHandler(IScreen::getResumeEvent(),
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getEventTarget());
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cleanupTimer();
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cleanupScreen();
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cleanupConnecting();
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cleanupConnection();
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delete m_socketFactory;
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delete m_streamFilterFactory;
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}
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void
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CClient::connect()
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{
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if (m_stream != NULL) {
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return;
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}
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if (m_suspended) {
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m_connectOnResume = true;
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return;
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}
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try {
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// resolve the server hostname. do this every time we connect
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// in case we couldn't resolve the address earlier or the address
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// has changed (which can happen frequently if this is a laptop
|
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// being shuttled between various networks). patch by Brent
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// Priddy.
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m_serverAddress.resolve();
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// create the socket
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IDataSocket* socket = m_socketFactory->create();
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// filter socket messages, including a packetizing filter
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m_stream = socket;
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if (m_streamFilterFactory != NULL) {
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m_stream = m_streamFilterFactory->create(m_stream, true);
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}
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m_stream = new CPacketStreamFilter(m_stream, true);
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// connect
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LOG((CLOG_DEBUG1 "connecting to server"));
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setupConnecting();
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setupTimer();
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socket->connect(m_serverAddress);
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}
|
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catch (XBase& e) {
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cleanupTimer();
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cleanupConnecting();
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delete m_stream;
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m_stream = NULL;
|
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LOG((CLOG_DEBUG1 "connection failed"));
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sendConnectionFailedEvent(e.what());
|
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return;
|
||||
}
|
||||
}
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void
|
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CClient::disconnect(const char* msg)
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{
|
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m_connectOnResume = false;
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cleanupTimer();
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cleanupScreen();
|
||||
cleanupConnecting();
|
||||
cleanupConnection();
|
||||
if (msg != NULL) {
|
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sendConnectionFailedEvent(msg);
|
||||
}
|
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else {
|
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sendEvent(getDisconnectedEvent(), NULL);
|
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}
|
||||
}
|
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void
|
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CClient::handshakeComplete()
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{
|
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m_ready = true;
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m_screen->enable();
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sendEvent(getConnectedEvent(), NULL);
|
||||
}
|
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bool
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CClient::isConnected() const
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{
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return (m_server != NULL);
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}
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bool
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CClient::isConnecting() const
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{
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return (m_timer != NULL);
|
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}
|
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|
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CNetworkAddress
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||||
CClient::getServerAddress() const
|
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{
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return m_serverAddress;
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}
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CEvent::Type
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CClient::getConnectedEvent()
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{
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return CEvent::registerTypeOnce(s_connectedEvent,
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"CClient::connected");
|
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}
|
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CEvent::Type
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CClient::getConnectionFailedEvent()
|
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{
|
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return CEvent::registerTypeOnce(s_connectionFailedEvent,
|
||||
"CClient::failed");
|
||||
}
|
||||
|
||||
CEvent::Type
|
||||
CClient::getDisconnectedEvent()
|
||||
{
|
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return CEvent::registerTypeOnce(s_disconnectedEvent,
|
||||
"CClient::disconnected");
|
||||
}
|
||||
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void*
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||||
CClient::getEventTarget() const
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||||
{
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return m_screen->getEventTarget();
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||||
}
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bool
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CClient::getClipboard(ClipboardID id, IClipboard* clipboard) const
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||||
{
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return m_screen->getClipboard(id, clipboard);
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||||
}
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|
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void
|
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CClient::getShape(SInt32& x, SInt32& y, SInt32& w, SInt32& h) const
|
||||
{
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m_screen->getShape(x, y, w, h);
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||||
}
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void
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CClient::getCursorPos(SInt32& x, SInt32& y) const
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{
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m_screen->getCursorPos(x, y);
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}
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||||
void
|
||||
CClient::enter(SInt32 xAbs, SInt32 yAbs, UInt32, KeyModifierMask mask, bool)
|
||||
{
|
||||
m_active = true;
|
||||
m_screen->mouseMove(xAbs, yAbs);
|
||||
m_screen->enter(mask);
|
||||
}
|
||||
|
||||
bool
|
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CClient::leave()
|
||||
{
|
||||
m_screen->leave();
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||||
m_active = false;
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||||
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||||
// send clipboards that we own and that have changed
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for (ClipboardID id = 0; id < kClipboardEnd; ++id) {
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if (m_ownClipboard[id]) {
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sendClipboard(id);
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||||
}
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}
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||||
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||||
return true;
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||||
}
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||||
void
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CClient::setClipboard(ClipboardID id, const IClipboard* clipboard)
|
||||
{
|
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m_screen->setClipboard(id, clipboard);
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m_ownClipboard[id] = false;
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m_sentClipboard[id] = false;
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}
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void
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CClient::grabClipboard(ClipboardID id)
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{
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m_screen->grabClipboard(id);
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m_ownClipboard[id] = false;
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m_sentClipboard[id] = false;
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}
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void
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CClient::setClipboardDirty(ClipboardID, bool)
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{
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assert(0 && "shouldn't be called");
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}
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void
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CClient::keyDown(KeyID id, KeyModifierMask mask, KeyButton button)
|
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{
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m_screen->keyDown(id, mask, button);
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}
|
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|
||||
void
|
||||
CClient::keyRepeat(KeyID id, KeyModifierMask mask,
|
||||
SInt32 count, KeyButton button)
|
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{
|
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m_screen->keyRepeat(id, mask, count, button);
|
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}
|
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|
||||
void
|
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CClient::keyUp(KeyID id, KeyModifierMask mask, KeyButton button)
|
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{
|
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m_screen->keyUp(id, mask, button);
|
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}
|
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|
||||
void
|
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CClient::mouseDown(ButtonID id)
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{
|
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m_screen->mouseDown(id);
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}
|
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void
|
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CClient::mouseUp(ButtonID id)
|
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{
|
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m_screen->mouseUp(id);
|
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}
|
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void
|
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CClient::mouseMove(SInt32 x, SInt32 y)
|
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{
|
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m_screen->mouseMove(x, y);
|
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}
|
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|
||||
void
|
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CClient::mouseRelativeMove(SInt32 dx, SInt32 dy)
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{
|
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m_screen->mouseRelativeMove(dx, dy);
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}
|
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|
||||
void
|
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CClient::mouseWheel(SInt32 xDelta, SInt32 yDelta)
|
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{
|
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m_screen->mouseWheel(xDelta, yDelta);
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}
|
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void
|
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CClient::screensaver(bool activate)
|
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{
|
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m_screen->screensaver(activate);
|
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}
|
||||
|
||||
void
|
||||
CClient::resetOptions()
|
||||
{
|
||||
m_screen->resetOptions();
|
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}
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|
||||
void
|
||||
CClient::setOptions(const COptionsList& options)
|
||||
{
|
||||
m_screen->setOptions(options);
|
||||
}
|
||||
|
||||
CString
|
||||
CClient::getName() const
|
||||
{
|
||||
return m_name;
|
||||
}
|
||||
|
||||
void
|
||||
CClient::sendClipboard(ClipboardID id)
|
||||
{
|
||||
// note -- m_mutex must be locked on entry
|
||||
assert(m_screen != NULL);
|
||||
assert(m_server != NULL);
|
||||
|
||||
// get clipboard data. set the clipboard time to the last
|
||||
// clipboard time before getting the data from the screen
|
||||
// as the screen may detect an unchanged clipboard and
|
||||
// avoid copying the data.
|
||||
CClipboard clipboard;
|
||||
if (clipboard.open(m_timeClipboard[id])) {
|
||||
clipboard.close();
|
||||
}
|
||||
m_screen->getClipboard(id, &clipboard);
|
||||
|
||||
// check time
|
||||
if (m_timeClipboard[id] == 0 ||
|
||||
clipboard.getTime() != m_timeClipboard[id]) {
|
||||
// save new time
|
||||
m_timeClipboard[id] = clipboard.getTime();
|
||||
|
||||
// marshall the data
|
||||
CString data = clipboard.marshall();
|
||||
|
||||
// save and send data if different or not yet sent
|
||||
if (!m_sentClipboard[id] || data != m_dataClipboard[id]) {
|
||||
m_sentClipboard[id] = true;
|
||||
m_dataClipboard[id] = data;
|
||||
m_server->onClipboardChanged(id, &clipboard);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CClient::sendEvent(CEvent::Type type, void* data)
|
||||
{
|
||||
EVENTQUEUE->addEvent(CEvent(type, getEventTarget(), data));
|
||||
}
|
||||
|
||||
void
|
||||
CClient::sendConnectionFailedEvent(const char* msg)
|
||||
{
|
||||
CFailInfo* info = (CFailInfo*)malloc(sizeof(CFailInfo) + strlen(msg));
|
||||
info->m_retry = true;
|
||||
strcpy(info->m_what, msg);
|
||||
sendEvent(getConnectionFailedEvent(), info);
|
||||
}
|
||||
|
||||
void
|
||||
CClient::setupConnecting()
|
||||
{
|
||||
assert(m_stream != NULL);
|
||||
|
||||
EVENTQUEUE->adoptHandler(IDataSocket::getConnectedEvent(),
|
||||
m_stream->getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleConnected));
|
||||
EVENTQUEUE->adoptHandler(IDataSocket::getConnectionFailedEvent(),
|
||||
m_stream->getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleConnectionFailed));
|
||||
}
|
||||
|
||||
void
|
||||
CClient::setupConnection()
|
||||
{
|
||||
assert(m_stream != NULL);
|
||||
|
||||
EVENTQUEUE->adoptHandler(ISocket::getDisconnectedEvent(),
|
||||
m_stream->getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleDisconnected));
|
||||
EVENTQUEUE->adoptHandler(IStream::getInputReadyEvent(),
|
||||
m_stream->getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleHello));
|
||||
EVENTQUEUE->adoptHandler(IStream::getOutputErrorEvent(),
|
||||
m_stream->getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleOutputError));
|
||||
EVENTQUEUE->adoptHandler(IStream::getInputShutdownEvent(),
|
||||
m_stream->getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleDisconnected));
|
||||
EVENTQUEUE->adoptHandler(IStream::getOutputShutdownEvent(),
|
||||
m_stream->getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleDisconnected));
|
||||
}
|
||||
|
||||
void
|
||||
CClient::setupScreen()
|
||||
{
|
||||
assert(m_server == NULL);
|
||||
|
||||
m_ready = false;
|
||||
m_server = new CServerProxy(this, m_stream);
|
||||
EVENTQUEUE->adoptHandler(IScreen::getShapeChangedEvent(),
|
||||
getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleShapeChanged));
|
||||
EVENTQUEUE->adoptHandler(IScreen::getClipboardGrabbedEvent(),
|
||||
getEventTarget(),
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleClipboardGrabbed));
|
||||
}
|
||||
|
||||
void
|
||||
CClient::setupTimer()
|
||||
{
|
||||
assert(m_timer == NULL);
|
||||
|
||||
m_timer = EVENTQUEUE->newOneShotTimer(15.0, NULL);
|
||||
EVENTQUEUE->adoptHandler(CEvent::kTimer, m_timer,
|
||||
new TMethodEventJob<CClient>(this,
|
||||
&CClient::handleConnectTimeout));
|
||||
}
|
||||
|
||||
void
|
||||
CClient::cleanupConnecting()
|
||||
{
|
||||
if (m_stream != NULL) {
|
||||
EVENTQUEUE->removeHandler(IDataSocket::getConnectedEvent(),
|
||||
m_stream->getEventTarget());
|
||||
EVENTQUEUE->removeHandler(IDataSocket::getConnectionFailedEvent(),
|
||||
m_stream->getEventTarget());
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CClient::cleanupConnection()
|
||||
{
|
||||
if (m_stream != NULL) {
|
||||
EVENTQUEUE->removeHandler(IStream::getInputReadyEvent(),
|
||||
m_stream->getEventTarget());
|
||||
EVENTQUEUE->removeHandler(IStream::getOutputErrorEvent(),
|
||||
m_stream->getEventTarget());
|
||||
EVENTQUEUE->removeHandler(IStream::getInputShutdownEvent(),
|
||||
m_stream->getEventTarget());
|
||||
EVENTQUEUE->removeHandler(IStream::getOutputShutdownEvent(),
|
||||
m_stream->getEventTarget());
|
||||
EVENTQUEUE->removeHandler(ISocket::getDisconnectedEvent(),
|
||||
m_stream->getEventTarget());
|
||||
delete m_stream;
|
||||
m_stream = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CClient::cleanupScreen()
|
||||
{
|
||||
if (m_server != NULL) {
|
||||
if (m_ready) {
|
||||
m_screen->disable();
|
||||
m_ready = false;
|
||||
}
|
||||
EVENTQUEUE->removeHandler(IScreen::getShapeChangedEvent(),
|
||||
getEventTarget());
|
||||
EVENTQUEUE->removeHandler(IScreen::getClipboardGrabbedEvent(),
|
||||
getEventTarget());
|
||||
delete m_server;
|
||||
m_server = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CClient::cleanupTimer()
|
||||
{
|
||||
if (m_timer != NULL) {
|
||||
EVENTQUEUE->removeHandler(CEvent::kTimer, m_timer);
|
||||
EVENTQUEUE->deleteTimer(m_timer);
|
||||
m_timer = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleConnected(const CEvent&, void*)
|
||||
{
|
||||
LOG((CLOG_DEBUG1 "connected; wait for hello"));
|
||||
cleanupConnecting();
|
||||
setupConnection();
|
||||
|
||||
// reset clipboard state
|
||||
for (ClipboardID id = 0; id < kClipboardEnd; ++id) {
|
||||
m_ownClipboard[id] = false;
|
||||
m_sentClipboard[id] = false;
|
||||
m_timeClipboard[id] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleConnectionFailed(const CEvent& event, void*)
|
||||
{
|
||||
IDataSocket::CConnectionFailedInfo* info =
|
||||
reinterpret_cast<IDataSocket::CConnectionFailedInfo*>(event.getData());
|
||||
|
||||
cleanupTimer();
|
||||
cleanupConnecting();
|
||||
delete m_stream;
|
||||
m_stream = NULL;
|
||||
LOG((CLOG_DEBUG1 "connection failed"));
|
||||
sendConnectionFailedEvent(info->m_what);
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleConnectTimeout(const CEvent&, void*)
|
||||
{
|
||||
cleanupTimer();
|
||||
cleanupConnecting();
|
||||
cleanupConnection();
|
||||
delete m_stream;
|
||||
m_stream = NULL;
|
||||
LOG((CLOG_DEBUG1 "connection timed out"));
|
||||
sendConnectionFailedEvent("Timed out");
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleOutputError(const CEvent&, void*)
|
||||
{
|
||||
cleanupTimer();
|
||||
cleanupScreen();
|
||||
cleanupConnection();
|
||||
LOG((CLOG_WARN "error sending to server"));
|
||||
sendEvent(getDisconnectedEvent(), NULL);
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleDisconnected(const CEvent&, void*)
|
||||
{
|
||||
cleanupTimer();
|
||||
cleanupScreen();
|
||||
cleanupConnection();
|
||||
LOG((CLOG_DEBUG1 "disconnected"));
|
||||
sendEvent(getDisconnectedEvent(), NULL);
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleShapeChanged(const CEvent&, void*)
|
||||
{
|
||||
LOG((CLOG_DEBUG "resolution changed"));
|
||||
m_server->onInfoChanged();
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleClipboardGrabbed(const CEvent& event, void*)
|
||||
{
|
||||
const IScreen::CClipboardInfo* info =
|
||||
reinterpret_cast<const IScreen::CClipboardInfo*>(event.getData());
|
||||
|
||||
// grab ownership
|
||||
m_server->onGrabClipboard(info->m_id);
|
||||
|
||||
// we now own the clipboard and it has not been sent to the server
|
||||
m_ownClipboard[info->m_id] = true;
|
||||
m_sentClipboard[info->m_id] = false;
|
||||
m_timeClipboard[info->m_id] = 0;
|
||||
|
||||
// if we're not the active screen then send the clipboard now,
|
||||
// otherwise we'll wait until we leave.
|
||||
if (!m_active) {
|
||||
sendClipboard(info->m_id);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleHello(const CEvent&, void*)
|
||||
{
|
||||
SInt16 major, minor;
|
||||
if (!CProtocolUtil::readf(m_stream, kMsgHello, &major, &minor)) {
|
||||
sendConnectionFailedEvent("Protocol error from server");
|
||||
cleanupTimer();
|
||||
cleanupConnection();
|
||||
return;
|
||||
}
|
||||
|
||||
// check versions
|
||||
LOG((CLOG_DEBUG1 "got hello version %d.%d", major, minor));
|
||||
if (major < kProtocolMajorVersion ||
|
||||
(major == kProtocolMajorVersion && minor < kProtocolMinorVersion)) {
|
||||
sendConnectionFailedEvent(XIncompatibleClient(major, minor).what());
|
||||
cleanupTimer();
|
||||
cleanupConnection();
|
||||
return;
|
||||
}
|
||||
|
||||
// say hello back
|
||||
LOG((CLOG_DEBUG1 "say hello version %d.%d", kProtocolMajorVersion, kProtocolMinorVersion));
|
||||
CProtocolUtil::writef(m_stream, kMsgHelloBack,
|
||||
kProtocolMajorVersion,
|
||||
kProtocolMinorVersion, &m_name);
|
||||
|
||||
// now connected but waiting to complete handshake
|
||||
setupScreen();
|
||||
cleanupTimer();
|
||||
|
||||
// make sure we process any remaining messages later. we won't
|
||||
// receive another event for already pending messages so we fake
|
||||
// one.
|
||||
if (m_stream->isReady()) {
|
||||
EVENTQUEUE->addEvent(CEvent(IStream::getInputReadyEvent(),
|
||||
m_stream->getEventTarget()));
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleSuspend(const CEvent&, void*)
|
||||
{
|
||||
LOG((CLOG_INFO "suspend"));
|
||||
m_suspended = true;
|
||||
bool wasConnected = isConnected();
|
||||
disconnect(NULL);
|
||||
m_connectOnResume = wasConnected;
|
||||
}
|
||||
|
||||
void
|
||||
CClient::handleResume(const CEvent&, void*)
|
||||
{
|
||||
LOG((CLOG_INFO "resume"));
|
||||
m_suspended = false;
|
||||
if (m_connectOnResume) {
|
||||
m_connectOnResume = false;
|
||||
connect();
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue