309 lines
10 KiB
C++
Executable File
309 lines
10 KiB
C++
Executable File
/******************************************************************************\
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* Copyright (c) 2004-2011
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*
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* Author(s):
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* Volker Fischer
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*
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******************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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\******************************************************************************/
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#include "connectdlg.h"
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/* Implementation *************************************************************/
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CConnectDlg::CConnectDlg ( QWidget* parent, Qt::WindowFlags f )
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: QDialog ( parent, f ),
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strSelectedAddress ( "" ),
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bServerListReceived ( false ),
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bCancelPressed ( false )
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{
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setupUi ( this );
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// Add help text to controls -----------------------------------------------
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// server address
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QString strServAddrH = tr ( "<b>Server Address:</b> The IP address or URL "
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"of the server running the llcon server software must be set here. "
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"A list of the most recent used server URLs is available for "
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"selection." );
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TextLabelServerAddr->setWhatsThis ( strServAddrH );
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LineEditServerAddr->setWhatsThis ( strServAddrH );
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LineEditServerAddr->setAccessibleName ( tr ( "Server address edit box" ) );
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LineEditServerAddr->setAccessibleDescription ( tr ( "Holds the current server "
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"URL. It also stores old URLs in the combo box list." ) );
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// init server address combo box (max MAX_NUM_SERVER_ADDR_ITEMS entries)
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LineEditServerAddr->setMaxCount ( MAX_NUM_SERVER_ADDR_ITEMS );
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LineEditServerAddr->setInsertPolicy ( QComboBox::NoInsert );
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// set up list view for connected clients
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ListViewServers->setColumnWidth ( 0, 170 );
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ListViewServers->setColumnWidth ( 1, 130 );
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ListViewServers->setColumnWidth ( 2, 55 );
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ListViewServers->setColumnWidth ( 3, 65 );
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ListViewServers->setColumnWidth ( 4, 140 );
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ListViewServers->clear();
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// Connections -------------------------------------------------------------
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// buttons
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QObject::connect ( CancelButton, SIGNAL ( clicked() ),
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this, SLOT ( OnCancelButtonClicked() ) );
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QObject::connect ( ConnectButton, SIGNAL ( clicked() ),
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this, SLOT ( close() ) );
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// timers
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QObject::connect ( &TimerPing, SIGNAL ( timeout() ),
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this, SLOT ( OnTimerPing() ) );
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QObject::connect ( &TimerReRequestServList, SIGNAL ( timeout() ),
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this, SLOT ( OnTimerReRequestServList() ) );
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}
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void CConnectDlg::LoadStoredServers ( const CVector<QString>& vstrIPAddresses )
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{
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// load stored IP addresses in combo box
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for ( int iLEIdx = 0; iLEIdx < MAX_NUM_SERVER_ADDR_ITEMS; iLEIdx++ )
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{
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if ( !vstrIPAddresses[iLEIdx].isEmpty() )
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{
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LineEditServerAddr->addItem ( vstrIPAddresses[iLEIdx] );
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}
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}
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}
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void CConnectDlg::showEvent ( QShowEvent* )
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{
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// reset flags (on opening the connect dialg, we always want to request a
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// new updated server list per definition)
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bServerListReceived = false;
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bCancelPressed = false;
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// clear current address
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strSelectedAddress = "";
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// TEST
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QString strNAddr = "llcon.dyndns.org:22122";
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// get the IP address of the central server (using the ParseNetworAddress
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// function) when the connect dialog is opened, this seems to be the correct
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// time to do it
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if ( LlconNetwUtil().ParseNetworkAddress ( strNAddr,
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CentralServerAddress ) )
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{
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// send the request for the server list
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emit ReqServerListQuery ( CentralServerAddress );
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// start timer, if this message did not get any respond to retransmit
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// the server list request message
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TimerReRequestServList.start ( SERV_LIST_REQ_UPDATE_TIME_MS );
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}
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}
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void CConnectDlg::hideEvent ( QHideEvent* )
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{
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// get the IP address to be used according to the following definitions:
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// - if the list has focus and a line is selected, use this line
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// - if the list has no focus, use the current combo box text
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QList<QTreeWidgetItem*> CurSelListItemList =
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ListViewServers->selectedItems();
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if ( CurSelListItemList.count() > 0 )
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{
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strSelectedAddress =
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CurSelListItemList[0]->data ( 0, Qt::UserRole ).toString();
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}
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else
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{
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strSelectedAddress = LineEditServerAddr->currentText();
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}
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// if window is closed, stop timers
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TimerPing.stop();
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TimerReRequestServList.stop();
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}
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void CConnectDlg::OnTimerReRequestServList()
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{
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// if the server list is not yet received, retransmit the request for the
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// server list
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if ( !bServerListReceived )
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{
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emit ReqServerListQuery ( CentralServerAddress );
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}
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}
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void CConnectDlg::SetServerList ( const CHostAddress& InetAddr,
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const CVector<CServerInfo>& vecServerInfo )
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{
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// set flag
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bServerListReceived = true;
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// first clear list
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ListViewServers->clear();
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// add list item for each server in the server list
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const int iServerInfoLen = vecServerInfo.Size();
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for ( int iIdx = 0; iIdx < iServerInfoLen; iIdx++ )
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{
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QTreeWidgetItem* pNewListViewItem =
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new QTreeWidgetItem ( ListViewServers );
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// make the entry invisible (will be set to visible on successful ping
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// result)
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pNewListViewItem->setHidden ( true );
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// server name
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pNewListViewItem->setText ( 0, vecServerInfo[iIdx].strName );
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// server country
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pNewListViewItem->setText ( 1,
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QLocale::countryToString ( vecServerInfo[iIdx].eCountry ) );
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// number of clients
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pNewListViewItem->setText ( 2,
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QString().setNum ( vecServerInfo[iIdx].iNumClients ) );
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// the ping time shall be shown in bold font
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QFont CurPingTimeFont = pNewListViewItem->font( 3 );
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CurPingTimeFont.setBold ( true );
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pNewListViewItem->setFont ( 3, CurPingTimeFont );
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// get the host address, note that for the very first entry which is
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// the central server, we have to use the receive host address
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// instead
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CHostAddress CurHostAddress;
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if ( iIdx > 0 )
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{
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CurHostAddress = vecServerInfo[iIdx].HostAddr;
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}
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else
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{
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// substitude the receive host address for central server
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CurHostAddress = InetAddr;
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}
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// IP address and port (use IP number without last byte)
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// Definition: If the port number is the default port number, we do not
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// show it.
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if ( vecServerInfo[iIdx].HostAddr.iPort == LLCON_DEFAULT_PORT_NUMBER )
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{
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// only show IP number, no port number
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pNewListViewItem->setText ( 4, CurHostAddress.
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toString ( CHostAddress::SM_IP_NO_LAST_BYTE ) );
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}
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else
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{
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// show IP number and port
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pNewListViewItem->setText ( 4, CurHostAddress.
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toString ( CHostAddress::SM_IP_NO_LAST_BYTE_PORT ) );
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}
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// store host address
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pNewListViewItem->setData ( 0, Qt::UserRole,
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CurHostAddress.toString() );
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}
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// immediately issue the ping measurements and start the ping timer since
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// the server list is filled now
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OnTimerPing();
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TimerPing.start ( PING_UPDATE_TIME_SERVER_LIST_MS );
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}
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void CConnectDlg::OnCancelButtonClicked()
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{
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// set cancel flag
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bCancelPressed = true;
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// close dialog
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close();
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}
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void CConnectDlg::OnTimerPing()
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{
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// send ping messages to the servers in the list
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const int iServerListLen = ListViewServers->topLevelItemCount();
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for ( int iIdx = 0; iIdx < iServerListLen; iIdx++ )
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{
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CHostAddress CurServerAddress;
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// try to parse host address string which is stored as user data
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// in the server list item GUI control element
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if ( LlconNetwUtil().ParseNetworkAddress (
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ListViewServers->topLevelItem ( iIdx )->
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data ( 0, Qt::UserRole ).toString(),
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CurServerAddress ) )
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{
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// if address is valid, send ping
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emit CreateCLPingMes ( CurServerAddress );
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}
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}
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}
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void CConnectDlg::SetPingTimeResult ( CHostAddress& InetAddr,
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const int iPingTime,
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const int iPingTimeLEDColor )
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{
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// apply the received ping time to the correct server list entry
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const int iServerListLen = ListViewServers->topLevelItemCount();
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for ( int iIdx = 0; iIdx < iServerListLen; iIdx++ )
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{
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// compare the received address with the user data string of the
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// host address by a string compare
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if ( !ListViewServers->topLevelItem ( iIdx )->
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data ( 0, Qt::UserRole ).toString().
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compare ( InetAddr.toString() ) )
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{
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// update the color of the ping time font
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switch ( iPingTimeLEDColor )
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{
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case MUL_COL_LED_GREEN:
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ListViewServers->
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topLevelItem ( iIdx )->setTextColor ( 3, Qt::darkGreen );
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break;
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case MUL_COL_LED_YELLOW:
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ListViewServers->
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topLevelItem ( iIdx )->setTextColor ( 3, Qt::darkYellow );
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break;
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case MUL_COL_LED_RED:
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ListViewServers->
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topLevelItem ( iIdx )->setTextColor ( 3, Qt::red );
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break;
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}
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// update ping text
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ListViewServers->topLevelItem ( iIdx )->
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setText ( 3, QString().setNum ( iPingTime ) + " ms" );
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// a ping time was received, set item to visible
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ListViewServers->topLevelItem ( iIdx )->setHidden ( false );
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}
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}
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}
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