Fix another signal/slot mismatch. This re-enables the error messages

for the 'Help:Check Qgis Version' function.


git-svn-id: http://svn.osgeo.org/qgis/trunk@6302 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: g_j_m

src/gui/qgisapp.cpp

@@ -4037,7 +4037,8 @@ void QgisApp::checkQgisVersion()
   connect(mSocket, SIGNAL(connected()), SLOT(socketConnected()));
   connect(mSocket, SIGNAL(connectionClosed()), SLOT(socketConnectionClosed()));
   connect(mSocket, SIGNAL(readyRead()), SLOT(socketReadyRead()));
-  connect(mSocket, SIGNAL(error(int)), SLOT(socketError(int)));
+  connect(mSocket, SIGNAL(error(QAbstractSocket::SocketError)), 
+                   SLOT(socketError(QAbstractSocket::SocketError)));
   mSocket->connectToHost("mrcc.com", 80);
 }
 
@@ -4108,25 +4109,32 @@ void QgisApp::socketConnectionClosed()
     QMessageBox::warning(this, tr("QGIS Version Information"), tr("Unable to get current version information from server"));
   }
 }
-void QgisApp::socketError(int e)
+void QgisApp::socketError(QAbstractSocket::SocketError e)
 {
+  if (e == QAbstractSocket::RemoteHostClosedError)
+    return;
+
   QApplication::restoreOverrideCursor();
   // get error type
   QString detail;
   switch (e)
   {
-    case QTcpSocket::ErrConnectionRefused:
+    case QAbstractSocket::ConnectionRefusedError:
       detail = tr("Connection refused - server may be down");
       break;
-    case QTcpSocket::ErrHostNotFound:
+    case QAbstractSocket::HostNotFoundError:
       detail = tr("QGIS server was not found");
       break;
-    case QTcpSocket::ErrSocketRead:
-      detail = tr("Error reading from server");
+    case QAbstractSocket::NetworkError:
+      detail = tr("Network error while communicating with server");
+      break;
+    default:
+      detail = tr("Unknown network socket error");
       break;
   }
+
   // show version message from server
-  QMessageBox::critical(this, tr("QGIS Version Information"), tr("Unable to connect to the QGIS Version server") + "\n" + detail);
+  QMessageBox::critical(this, tr("QGIS Version Information"), tr("Unable to communicate with QGIS Version server") + "\n" + detail);
 }
 
 void QgisApp::socketReadyRead()

src/gui/qgisapp.h

@@ -54,7 +54,7 @@ class QgsComposer;
 
 #include <ui_qgisappbase.h>
 #include <QMainWindow>
-
+#include <QAbstractSocket>
 
 /*! \class QgisApp
  * \brief Main window for the Qgis application
@@ -273,7 +273,7 @@ public slots:
   void socketConnected();
   void socketConnectionClosed();
   void socketReadyRead();
-  void socketError(int e);
+  void socketError(QAbstractSocket::SocketError e);
   //! Set project properties, including map untis
   void projectProperties();
   //! Open project properties dialog and show the projections tab