diff -r f864a68e512c -r 92cff18a3ab6 QTfrontend/hwmap.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QTfrontend/hwmap.cpp	Sun Sep 24 19:51:16 2006 +0000
@@ -0,0 +1,88 @@
+#include "hwmap.h"
+
+#include "hwconsts.h"
+
+#include <QMessageBox>
+
+HWMap::HWMap() :
+  m_isStarted(false)
+{
+}
+
+void HWMap::getImage(std::string seed) 
+{
+  m_seed=seed;
+  Start();
+}
+
+void HWMap::ClientDisconnect()
+{
+  QImage im((uchar*)(const char*)readbuffer, 256, 128, QImage::Format_Mono);
+  im.setNumColors(2);
+
+  IPCSocket->close();
+  IPCSocket->deleteLater();
+  IPCSocket = 0;
+  IPCServer->close();
+  deleteLater();
+  
+  emit ImageReceived(im);
+}
+
+void HWMap::ClientRead()
+{
+  readbuffer.append(IPCSocket->readAll());
+}
+
+void HWMap::SendToClientFirst()
+{
+  std::string toSend=std::string("eseed ")+m_seed;
+  char ln=(char)toSend.length();
+  IPCSocket->write(&ln, 1);
+  IPCSocket->write(toSend.c_str(), ln);
+
+  IPCSocket->write("\x01!", 2);
+}
+
+void HWMap::NewConnection()
+{
+  QTcpSocket * client = IPCServer->nextPendingConnection();
+  if(!IPCSocket) {
+    IPCServer->close();
+    IPCSocket = client;
+    connect(client, SIGNAL(disconnected()), this, SLOT(ClientDisconnect()));
+    connect(client, SIGNAL(readyRead()), this, SLOT(ClientRead()));
+    SendToClientFirst();
+  } else {
+    qWarning("2nd IPC client?!");
+    client->disconnectFromHost();
+  }
+}
+
+void HWMap::StartProcessError(QProcess::ProcessError error)
+{
+  QMessageBox::critical(0, tr("Error"),
+			tr("Unable to run engine: %1 (")
+			.arg(error) + bindir->absolutePath() + "/hwengine)");
+}
+
+void HWMap::Start()
+{
+  IPCServer = new QTcpServer(this);
+  connect(IPCServer, SIGNAL(newConnection()), this, SLOT(NewConnection()));
+  IPCServer->setMaxPendingConnections(1);
+  IPCSocket = 0;
+  if (!IPCServer->listen(QHostAddress::LocalHost, IPC_PORT)) {
+    QMessageBox::critical(0, tr("Error"),
+			  tr("Unable to start the server: %1.")
+			  .arg(IPCServer->errorString()));
+  }
+  
+  QProcess * process;
+  QStringList arguments;
+  process = new QProcess;
+  connect(process, SIGNAL(error(QProcess::ProcessError)), this, SLOT(StartProcessError(QProcess::ProcessError)));
+  arguments << "46631";
+  arguments << "landpreview";
+  process->start(bindir->absolutePath() + "/hwengine", arguments);
+}