/******************************************************************************\ * Copyright (c) 2004-2009 * * Author(s): * Volker Fischer * ****************************************************************************** * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) any later * version. * * This program 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 General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * \******************************************************************************/ #include "settings.h" /* Implementation *************************************************************/ void CSettings::ReadIniFile ( const QString& sFileName ) { int iValue; bool bValue; QDomDocument IniXMLDocument; // load data from init-file // prepare file name for loading initialization data from XML file QString sCurFileName = sFileName; if ( sCurFileName.isEmpty() ) { // if no file name is available, use default file name sCurFileName = LLCON_INIT_FILE_NAME; } // read data from file if possible QFile file ( sCurFileName ); if ( file.open ( QIODevice::ReadOnly ) ) { QTextStream in ( &file ); IniXMLDocument.setContent ( in.readAll(), false ); file.close(); } // actual settings data --------------------------------------------------- // IP addresses for ( int iIPAddrIdx = 0; iIPAddrIdx < MAX_NUM_SERVER_ADDR_ITEMS; iIPAddrIdx++ ) { QString sDefaultIP = ""; // use default only for first entry if ( iIPAddrIdx == 0 ) { sDefaultIP = DEFAULT_SERVER_ADDRESS; } pClient->vstrIPAddress[iIPAddrIdx] = GetIniSetting ( IniXMLDocument, "client", QString ( "ipaddress%1" ).arg ( iIPAddrIdx ), sDefaultIP ); } // name pClient->strName = GetIniSetting ( IniXMLDocument, "client", "name" ); // audio fader if ( GetNumericIniSet ( IniXMLDocument, "client", "audfad", AUD_FADER_IN_MIN, AUD_FADER_IN_MAX, iValue ) ) { pClient->SetAudioInFader ( iValue ); } // reverberation level if ( GetNumericIniSet ( IniXMLDocument, "client", "revlev", 0, AUD_REVERB_MAX, iValue ) ) { pClient->SetReverbLevel ( iValue ); } // reverberation channel assignment if ( GetFlagIniSet ( IniXMLDocument, "client", "reverblchan", bValue ) ) { pClient->SetReverbOnLeftChan ( bValue ); } // sound card selection // special case with this setting: the sound card initialization depends on this setting // call, therefore, if no setting file parameter could be retrieved, the sound card is // initialized with a default setting defined here if ( GetNumericIniSet ( IniXMLDocument, "client", "auddevidx", 1, MAX_NUMBER_SOUND_CARDS, iValue ) ) { pClient->SetSndCrdDev ( iValue ); } else { // use "INVALID_SNC_CARD_DEVICE" to tell the sound card driver that no // device selection was done previously pClient->SetSndCrdDev ( INVALID_SNC_CARD_DEVICE ); } // sound card preferred buffer size index if ( GetNumericIniSet ( IniXMLDocument, "client", "prefsndcrdbufidx", FRAME_SIZE_FACTOR_PREFERRED, FRAME_SIZE_FACTOR_SAFE, iValue ) ) { // additional check required since only a subset of factors are // defined if ( ( iValue == FRAME_SIZE_FACTOR_PREFERRED ) || ( iValue == FRAME_SIZE_FACTOR_DEFAULT ) || ( iValue == FRAME_SIZE_FACTOR_SAFE ) ) { pClient->SetSndCrdPrefFrameSizeFactor ( iValue ); } } // automatic network jitter buffer size setting if ( GetFlagIniSet ( IniXMLDocument, "client", "autojitbuf", bValue ) ) { pClient->SetDoAutoSockBufSize ( bValue ); } // network jitter buffer size if ( GetNumericIniSet ( IniXMLDocument, "client", "jitbuf", MIN_NET_BUF_SIZE_NUM_BL, MAX_NET_BUF_SIZE_NUM_BL, iValue ) ) { pClient->SetSockBufNumFrames ( iValue ); } // flag whether the chat window shall be opened on a new chat message if ( GetFlagIniSet ( IniXMLDocument, "client", "openchatonnewmessage", bValue ) ) { pClient->SetOpenChatOnNewMessage ( bValue ); } // GUI design if ( GetNumericIniSet ( IniXMLDocument, "client", "guidesign", 0, 1 /* GD_ORIGINAL */, iValue ) ) { pClient->SetGUIDesign ( static_cast ( iValue ) ); } // flag whether using high quality audio or not if ( GetFlagIniSet ( IniXMLDocument, "client", "highqualityaudio", bValue ) ) { pClient->SetCELTHighQuality ( bValue ); } } void CSettings::WriteIniFile ( const QString& sFileName ) { // create XML document for storing initialization parameters QDomDocument IniXMLDocument; // actual settings data --------------------------------------------------- // IP addresses for ( int iIPAddrIdx = 0; iIPAddrIdx < MAX_NUM_SERVER_ADDR_ITEMS; iIPAddrIdx++ ) { PutIniSetting ( IniXMLDocument, "client", QString ( "ipaddress%1" ).arg ( iIPAddrIdx ), pClient->vstrIPAddress[iIPAddrIdx] ); } // name PutIniSetting ( IniXMLDocument, "client", "name", pClient->strName ); // audio fader SetNumericIniSet ( IniXMLDocument, "client", "audfad", pClient->GetAudioInFader() ); // reverberation level SetNumericIniSet ( IniXMLDocument, "client", "revlev", pClient->GetReverbLevel() ); // reverberation channel assignment SetFlagIniSet ( IniXMLDocument, "client", "reverblchan", pClient->IsReverbOnLeftChan() ); // sound card selection SetNumericIniSet ( IniXMLDocument, "client", "auddevidx", pClient->GetSndCrdDev() ); // sound card preferred buffer size index SetNumericIniSet ( IniXMLDocument, "client", "prefsndcrdbufidx", pClient->GetSndCrdPrefFrameSizeFactor() ); // automatic network jitter buffer size setting SetFlagIniSet ( IniXMLDocument, "client", "autojitbuf", pClient->GetDoAutoSockBufSize() ); // network jitter buffer size SetNumericIniSet ( IniXMLDocument, "client", "jitbuf", pClient->GetSockBufNumFrames() ); // flag whether the chat window shall be opened on a new chat message SetFlagIniSet ( IniXMLDocument, "client", "openchatonnewmessage", pClient->GetOpenChatOnNewMessage() ); // GUI design SetNumericIniSet ( IniXMLDocument, "client", "guidesign", static_cast ( pClient->GetGUIDesign() ) ); // flag whether using high quality audio or not SetFlagIniSet ( IniXMLDocument, "client", "highqualityaudio", pClient->GetCELTHighQuality() ); // prepare file name for storing initialization data in XML file QString sCurFileName = sFileName; if ( sCurFileName.isEmpty() ) { // if no file name is available, use default file name sCurFileName = LLCON_INIT_FILE_NAME; } // store XML data in file QFile file ( sCurFileName ); if ( file.open ( QIODevice::WriteOnly ) ) { QTextStream out ( &file ); out << IniXMLDocument.toString(); } } void CSettings::SetNumericIniSet ( QDomDocument& xmlFile, const QString& strSection, const QString& strKey, const int iValue ) { // convert input parameter which is an integer to string and store PutIniSetting ( xmlFile, strSection, strKey, QString("%1").arg(iValue) ); } bool CSettings::GetNumericIniSet ( const QDomDocument& xmlFile, const QString& strSection, const QString& strKey, const int iRangeStart, const int iRangeStop, int& iValue ) { // init return value bool bReturn = false; const QString strGetIni = GetIniSetting ( xmlFile, strSection, strKey ); // check if it is a valid parameter if ( !strGetIni.isEmpty() ) { // convert string from init file to integer iValue = strGetIni.toInt(); // check range if ( ( iValue >= iRangeStart ) && ( iValue <= iRangeStop ) ) { bReturn = true; } } return bReturn; } void CSettings::SetFlagIniSet ( QDomDocument& xmlFile, const QString& strSection, const QString& strKey, const bool bValue ) { // we encode true -> "1" and false -> "0" if ( bValue == true ) { PutIniSetting ( xmlFile, strSection, strKey, "1" ); } else { PutIniSetting ( xmlFile, strSection, strKey, "0" ); } } bool CSettings::GetFlagIniSet ( const QDomDocument& xmlFile, const QString& strSection, const QString& strKey, bool& bValue ) { // init return value bool bReturn = false; const QString strGetIni = GetIniSetting ( xmlFile, strSection, strKey ); if ( !strGetIni.isEmpty() ) { if ( strGetIni.toInt() ) { bValue = true; } else { bValue = false; } bReturn = true; } return bReturn; } // Init-file routines using XML *********************************************** QString CSettings::GetIniSetting ( const QDomDocument& xmlFile, const QString& sSection, const QString& sKey, const QString& sDefaultVal ) { // init return parameter with default value QString sResult ( sDefaultVal ); // get section QDomElement xmlSection = xmlFile.firstChildElement ( sSection ); if ( !xmlSection.isNull() ) { // get key QDomElement xmlKey = xmlSection.firstChildElement ( sKey ); if ( !xmlKey.isNull() ) { // get value sResult = xmlKey.text(); } } return sResult; } void CSettings::PutIniSetting ( QDomDocument& xmlFile, const QString& sSection, const QString& sKey, const QString& sValue ) { // check if section is already there, if not then create it QDomElement xmlSection = xmlFile.firstChildElement ( sSection ); if ( xmlSection.isNull() ) { // create new root element and add to document xmlSection = xmlFile.createElement ( sSection ); xmlFile.appendChild ( xmlSection ); } // check if key is already there, if not then create it QDomElement xmlKey = xmlSection.firstChildElement ( sKey ); if ( xmlKey.isNull() ) { xmlKey = xmlFile.createElement ( sKey ); xmlSection.appendChild ( xmlKey ); } // add actual data to the key QDomText currentValue = xmlFile.createTextNode ( sValue ); xmlKey.appendChild ( currentValue ); }