基于Linux下QT开发的即时通信系统.zip

#include "FriendList.h" #include "ui_FriendList.h" FriendList::FriendList(QWidget *parent) : QDialog(parent), ui(new Ui::FriendList) { ui->setupUi(this); setContextMenuPolicy(Qt::ActionsContextMenu); this->setWindowFlag(Qt::FramelessWindowHint); this->setStyleSheet("background-color: #729FCF"); chatRoom = new ChatRoom; connect(chatRoom,SIGNAL(sendMsgToFrdList(QString,QString)), this,SLOT(rcvMsgFromChatRoom(QString,QString))); connect(this,SIGNAL(rcvFileCompeteSignal(int)), chatRoom,SLOT(rcvFileCompeteSlot(int))); QMenu *optionMenu=new QMenu(); QAction *OnlineAction=new QAction("重新上线"); OnlineAction->setIcon(QIcon(":/Img/picture/Online.jpeg")); optionMenu->addAction(OnlineAction); QAction *OfflineAction=new QAction("离线"); OfflineAction->setIcon(QIcon(":/Img/picture/OffLine.jpg")); optionMenu->addAction(OfflineAction); QAction *personInfoAction=new QAction("查看个人信息"); optionMenu->addAction(personInfoAction); connect(personInfoAction,SIGNAL(triggered()),this,SLOT(showPersonInfo())); QAction *changePswdAction=new QAction("修改密码"); optionMenu->addAction(changePswdAction); QAction *manageFrdGroupAction=new QAction("管理好友分组"); optionMenu->addAction(manageFrdGroupAction); QAction *exitAction=new QAction("退出"); exitAction->setIcon(QIcon(":/Img/picture/exit.jpg")); optionMenu->addAction(exitAction); ui->optionBtn->setPopupMode(QToolButton::InstantPopup ); ui->optionBtn->setMenu(optionMenu); //修改相对路径为exe目录路径 QDir dir; QDir::setCurrent(QCoreApplication::applicationDirPath()); QAction *searchAction = new QAction(ui->searchLineEdit); searchAction->setIcon(QIcon("./picture/search1.jpg")); ui->searchLineEdit->setPlaceholderText(tr("搜索联系人")); ui->searchLineEdit->addAction(searchAction,QLineEdit::LeadingPosition); ui->searchLineEdit->setStyleSheet("background-color: white"); connect(ui->chatBtn,SIGNAL(clicked()),this,SLOT(slotChatBtnClicked())); connect(ui->contactsBtn,SIGNAL(clicked()),this,SLOT(slotContBtnClicked())); connect(ui->groupBtn,SIGNAL(clicked()),this,SLOT(slotGroupBtnClicked())); frdTreeWdgt=new QTreeWidget; frdTreeWdgt->setIndentation(7); frdTreeWdgt->setContextMenuPolicy(Qt::CustomContextMenu); m_ContextMenu = new QMenu; QAction *m_moveAction = new QAction("移动分组", this); connect(m_moveAction,SIGNAL(triggered()),this,SLOT(showMoveFrdSlot())); QAction *m_delAction = new QAction("删除好友", this); connect(m_delAction,SIGNAL(triggered()),this,SLOT(showDeleteFrdSlot())); m_ContextMenu->addAction(m_moveAction); m_ContextMenu->addAction(m_delAction); //和该策略对应的信号，showListWidgetMenuSlot为自己定义的槽函数. connect(frdTreeWdgt, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(showTreeWidgetMenuSlot(QPoint))); chatListWidget=new QListWidget; groupListWidget=new QListWidget; ui->stackWidget->setStyleSheet("background-color: white"); QHBoxLayout *contactLayout=new QHBoxLayout; contactLayout->addWidget(frdTreeWdgt); contactsWidget->setLayout(contactLayout); QHBoxLayout *chatLayout=new QHBoxLayout; chatLayout->addWidget(chatListWidget); chatWidget->setLayout(chatLayout); QHBoxLayout *groupLayout=new QHBoxLayout; groupLayout->addWidget(groupListWidget); groupWidget->setLayout(groupLayout); ui->stackWidget->addWidget(contactsWidget); ui->stackWidget->addWidget(chatWidget); ui->stackWidget->addWidget(groupWidget); connect(frdTreeWdgt,SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)), this,SLOT(showChatRoom(QTreeWidgetItem*,int))); connect(chatListWidget,SIGNAL(itemDoubleClicked(QListWidgetItem*)), this,SLOT(showChatRoom(QListWidgetItem*))); connect(groupListWidget,SIGNAL(itemDoubleClicked(QListWidgetItem*)), this,SLOT(showGroupChatRoom(QListWidgetItem*))); ui->addFrdBtn->setIcon(QIcon(":/Img/picture/AddFriend.jpg")); ui->addGroupBtn->setIcon(QIcon(":/Img/picture/add.jpg")); ui->colorThemeBtn->setIcon(QIcon(":/Img/picture/theme.jpg")); ui->ImgThemeBtn->setIcon(QIcon(":/Img/picture/ImgTheme.jpg")); ui->chatBtn->setStyleSheet("background-color: white"); ui->groupBtn->setStyleSheet("background-color: white");; ui->contactsBtn->setStyleSheet("background-color: white"); ui->addFrdBtn->setStyleSheet("background-color: white"); ui->addGroupBtn->setStyleSheet("background-color: white");; ui->colorThemeBtn->setStyleSheet("background-color: white"); ui->ImgThemeBtn->setStyleSheet("background-color: white"); connect(ui->addFrdBtn,SIGNAL(clicked()),this,SLOT(showAddFrdBtn())); connect(ui->addGroupBtn,SIGNAL(clicked()),this,SLOT(showAddGroupBtn())); connect(ui->colorThemeBtn,SIGNAL(clicked()),this,SLOT(showColorThemeBtn())); connect(ui->ImgThemeBtn,SIGNAL(clicked()),this,SLOT(showImgThemeBtn())); m_udpSocket=new QUdpSocket; if(QSqlDatabase::contains("qt_sql_default_connection")) { database = QSqlDatabase::database("qt_sql_default_connection"); }else { database = QSqlDatabase::addDatabase("QSQLITE"); } QString dataPath = QDir::currentPath() + "/" + userId +"/" + userId + ".db"; database.setDatabaseName(dataPath); if(!database.open()) { qDebug() << "Open person database failed"; } sqlQuery=new QSqlQuery; } void FriendList::mouseMoveEvent(QMouseEvent *event) { QPoint EndPos; if ( event->buttons() == Qt::LeftButton ) { EndPos = event->globalPos() - StartPos; this->move(EndPos); } } void FriendList::mousePressEvent(QMouseEvent *event) { if(event->buttons() == Qt::LeftButton) { //记录窗口此时的坐标 StartPos = event->globalPos() - this->frameGeometry().topLeft(); } } //接收服务器发来的个人信息 void FriendList::rcvPersonInfo(QString nickName, QString signature,QString age, QString sex, QString email,QImage headImg,QStringList frdGroupList) { ui->nickNameLabel->setText(nickName); ui->signatureLabel->setText(signature); userHeadImg=headImg; QPixmap pixmap(60,60); pixmap.fill(Qt::transparent); QPainter painter(&pixmap); painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform); QPainterPath path; path.addEllipse(0, 0, 60, 60); painter.setClipPath(path); painter.drawPixmap(0, 0, 60, 60,QPixmap::fromImage(headImg)); ui->headImgLabel->setPixmap(pixmap); this->sex=sex; this->age=age; this->email=email; this->frdGroupList=frdGroupList; initFrdGroupList(); personInfo=new PersonInfo; personInfo->rcvPersonInfo(userId,nickName,signature,age,sex,email); if(!m_udpSocket->bind(QHostAddress("192.168.2.131"),clientPort,QAbstractSocket::ShareAddress)){ qDebug()<<"Udp socket bind failed!"<<m_udpSocket->errorString()<<endl; } connect(m_udpSocket,SIGNAL(readyRead()),this,SLOT(udpReadyRead()),Qt::DirectConnection); } //获取IpV4地址 QString FriendList::getIp() { QList<QHostAddress> list = QNetworkInterface::allAddresses(); foreach (QHostAddress address, list) { if(address.protocol() == QAbstractSocket::IPv4Protocol) //我们使用IPv4地址 { if(address.toString().contains("127.0.")) continue; return address.toString(); } } return nullptr; } //展示个人信息 void FriendList::showPersonInfo() { personInfo->show(); } //向服务器发送tcp消息 void FriendList::sendTcpMsg(QByteArray data) { if(m_tcpSocket->write(data) < 0){ qDebug()<<"Send Message Failed!"<<endl; } m_tcpSocket->flush(); } //服务器断开连接 void FriendList::disconnectToServer() { ui->headImgLabel->setEnabled