change log

chitchat/app.rc

+IDI_ICON1 ICON DISCARDABLE "dove.ico"
\ No newline at end of file

chitchat/chitchat.cpp

+#include <QSqlQuery>
+#include <QMessageBox>
+#include <QSqlDatabase>
+
+#include "chitchat.h"
+#include "ui_chitchat.h"
+/**
+ * @brief Chitchat::Chitchat
+ * @param nickName
+ * @param parent
+ */
+Chitchat::Chitchat(QString nickName,QWidget *parent) :
+    QMainWindow(parent),name(nickName),
+    ui(new Ui::Chitchat)
+{
+    ui->setupUi(this);
+    QTextCodec::setCodecForTr(QTextCodec::codecForLocale());
+    setWindowIcon(QIcon(":/images/dove.png"));
+    setWindowTitle(tr("白鸽局域网聊天器"));
+
+    //设置背景
+    QPalette pal;
+    QPixmap pixmap(":/images/background.jpg");
+    pal.setBrush(QPalette::Window,QBrush(pixmap));
+    setPalette(pal);
+
+    createAction();
+    createToolBar();
+
+
+    connect(ui->boldBtn,SIGNAL(clicked()),this,SLOT(Bold()));
+    connect(ui->ItalicBtn,SIGNAL(clicked()),this,SLOT(Italic()));
+    connect(ui->underLineBtn,SIGNAL(clicked()),this,SLOT(UnderLine()));
+    connect(ui->textEdit,SIGNAL(currentCharFormatChanged(QTextCharFormat)),this,SLOT(currentFormatChanged(const QTextCharFormat)));
+    connect(ui->closeBtn,SIGNAL(clicked()),this,SLOT(Close()));
+
+    /**
+     *
+     *设置焦点策略，即主文本框不可以聚集焦点
+     */
+    ui->textEdit->setFocusPolicy(Qt::StrongFocus);
+    ui->textBrowser->setFocusPolicy(Qt::NoFocus);
+
+    ui->textEdit->setFocus();
+    ui->textEdit->installEventFilter(this);//设置事件滤过器
+    privatechat=NULL;//私聊
+    privatechat1=NULL;
+
+    /**
+     *udp通信,端口为45455
+     */
+    udpSocket = new QUdpSocket(this);
+    port = 45455;
+    bb=0;
+    udpSocket->bind(port,QUdpSocket::ShareAddress
+                                    | QUdpSocket::ReuseAddressHint);
+    connect(udpSocket,SIGNAL(readyRead()),this,SLOT(processPendingDatagrams()));
+    sendMessage(NewParticipant);
+
+    server = new TcpServer(this);
+    connect(server,SIGNAL(sendFileName(QString)),this,SLOT(sentFileName(QString)));
+    //connect(ui->textEdit,SIGNAL(currentCharFormatChanged(QTextCharFormat)),this,SLOT(currentFormatChanged(const QTextCharFormat)));
+    setFixedSize(926,578);
+}
+
+void Chitchat::init(){
+
+}
+/**
+ *动作Action
+ * @brief Chitchat::createAction
+ */
+void Chitchat::createAction(){
+
+  sendFile=new QAction(QIcon(":/images/send.png"),tr("发送文件"),this);
+  music=new QAction(QIcon(":/images/Music.png"),tr("音乐"),this);
+  save=new QAction(QIcon(":/images/save.png"),tr("保存聊天记录"),this);
+  clear=new QAction(QIcon(":/images/clear.png"),tr("清屏"),this);
+  note=new QAction(QIcon(":/images/note.png"),tr("记事本"),this);
+  explore=new QAction(QIcon(":/images/explore.png"),tr("浏览器"),this);
+  exitLogin=new QAction(QIcon(":/images/exitLogin.png"),tr("退出登录"),this);
+  grapWindowScreen=new QAction(QIcon(":/images/img.png"),tr("截图工具"),this);
+
+  connect(sendFile,SIGNAL(triggered()),this,SLOT(SendFile()));
+  connect(music,SIGNAL(triggered()),this,SLOT(showPlayer()));
+  connect(save,SIGNAL(triggered()),this,SLOT(Save()));
+  connect(clear,SIGNAL(triggered()),this,SLOT(Clear()));
+  connect(note,SIGNAL(triggered()),this,SLOT(showNote()));
+  connect(exitLogin,SIGNAL(triggered()),this,SLOT(ExitLogin()));
+  connect(grapWindowScreen,SIGNAL(triggered()),this,SLOT(showGrapScreenTool()));
+  connect(explore,SIGNAL(triggered()),this,SLOT(showExplore()));
+
+}
+/**
+ *工具栏
+ * @brief Chitchat::createToolBar
+ */
+void Chitchat::createToolBar(){
+    toolBar=addToolBar(tr("工具栏"));
+    toolBar->addAction(sendFile);
+    toolBar->addAction(music);
+    toolBar->addAction(save);
+    toolBar->addAction(clear);
+    toolBar->addAction(note);
+    toolBar->addAction(exitLogin);
+    toolBar->addAction(explore);
+    toolBar->addAction(grapWindowScreen);
+
+}
+/**
+ *
+ *接收数据UDP
+ * @brief Chitchat::processPendingDatagrams
+ */
+void Chitchat::processPendingDatagrams()   //接收数据UDP
+{
+    while(udpSocket->hasPendingDatagrams())
+    {
+        QByteArray datagram;//字节数组
+        datagram.resize(udpSocket->pendingDatagramSize());
+        udpSocket->readDatagram(datagram.data(),datagram.size());
+        QDataStream in(&datagram,QIODevice::ReadOnly);//数据流
+        int messageType;
+        in >> messageType;
+        QString userName,localHostName,ipAddress,message;
+        QString time = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss");
+        switch(messageType)
+        {
+        //处理接收到的信息
+            case Message:
+                {
+                    in >>userName >>localHostName >>ipAddress >>message;//接收对方的用户名、ip、和信息
+                    ui->textBrowser->setTextColor(Qt::blue);
+                    ui->textBrowser->setCurrentFont(QFont("Times New Roman",12));
+                    ui->textBrowser->append("[ " +userName+" ] "+ time);//将对方用户名加到文本浏览器
+                    ui->textBrowser->append(message);//将收到的消息加到文本浏览器
+                    break;
+                }
+            //新用户加入
+            case NewParticipant:
+                {
+                    in >>userName >>localHostName >>ipAddress;//新用户的用户名、主机名、ip
+                    newParticipant(userName,localHostName,ipAddress);
+
+                    break;
+                }
+            //用户离开
+            case ParticipantLeft:
+                {
+                    in >>userName >>localHostName;
+                    participantLeft(userName,localHostName,time);
+                    break;
+                }
+            //发送文件
+        case FileName:
+            {
+                in >>userName >>localHostName >> ipAddress;
+                QString clientAddress,fileName;
+                in >> clientAddress >> fileName;
+                hasPendingFile(userName,ipAddress,clientAddress,fileName);
+                break;
+            }
+            //拒绝
+        case Refuse:
+            {
+                in >> userName >> localHostName;
+                QString serverAddress;
+                in >> serverAddress;
+                QString ipAddress = getIP();
+
+                if(ipAddress == serverAddress)
+                {
+                    server->refused();
+                }
+                break;
+            }
+        case Xchat:
+           {
+                in >>userName >>localHostName >>ipAddress;
+                /****/
+                 // showxchat(userName,ipAddress);
+               showxchat(localHostName,ipAddress);//显示与主机名聊天中，不是用户名
+                break;
+           }
+        }
+    }
+}
+/**
+ *处理新用户加入
+ * @brief Chitchat::newParticipant
+ * @param userName
+ * @param localHostName
+ * @param ipAddress
+ */
+void Chitchat::newParticipant(QString userName,QString localHostName,QString ipAddress)
+{
+    bool bb = ui->tableWidget->findItems(localHostName,Qt::MatchExactly).isEmpty();
+    if(bb)
+    {
+        QTableWidgetItem *user = new QTableWidgetItem(userName);//用户名
+        QTableWidgetItem *host = new QTableWidgetItem(localHostName);//主机名
+        QTableWidgetItem *ip = new QTableWidgetItem(ipAddress);//ip
+        ui->tableWidget->insertRow(0);
+        //插入一张图片,本来是想实现用户上传自己的图片
+        QLabel *imgLabel=new QLabel;
+        imgLabel->setPixmap(QPixmap(":/images/usericon/yy.png"));
+        ui->tableWidget->setCellWidget(0,0,imgLabel);
+
+        ui->tableWidget->setItem(0,1,user);
+        ui->tableWidget->setItem(0,2,host);
+        ui->tableWidget->setItem(0,3,ip);
+
+
+        ui->textBrowser->setTextColor(Qt::gray);
+        ui->textBrowser->setCurrentFont(QFont("Times New Roman",10));
+        ui->textBrowser->append(tr("%1 在线！").arg(userName));
+        ui->onLineUsersNum->setText(tr("在线人数：%1").arg(ui->tableWidget->rowCount())+tr(",登录者:%1").arg(name));
+        sendMessage(NewParticipant);//发送信息
+    }
+}
+
+/**
+ *处理用户离开
+ * @brief Chitchat::participantLeft
+ * @param userName
+ * @param localHostName
+ * @param time
+ */
+void Chitchat::participantLeft(QString userName,QString localHostName,QString time)
+{
+    int rowNum = ui->tableWidget->findItems(localHostName,Qt::MatchExactly).first()->row();
+    ui->tableWidget->removeRow(rowNum);
+    ui->textBrowser->setTextColor(Qt::gray);
+    ui->textBrowser->setCurrentFont(QFont("Times New Roman",10));
+    ui->textBrowser->append(tr("%1 于 %2 离开！").arg(userName).arg(time));
+    ui->onLineUsersNum->setText(tr("在线人数：%1").arg(ui->tableWidget->rowCount()));
+}
+
+/**
+ *改变事件
+ * @brief Chitchat::changeEvent
+ * @param e
+ */
+void Chitchat::changeEvent(QEvent *e)
+{
+    QWidget::changeEvent(e);
+    switch (e->type()) {
+    case QEvent::LanguageChange:
+        ui->retranslateUi(this);
+        break;
+    default:
+        break;
+    }
+}
+/**
+ *获取ip
+ * @brief Chitchat::getIP
+ * @return
+ */
+QString Chitchat::getIP()  //获取ip地址
+{
+    //获取所有ip,放到列表里
+    QList<QHostAddress> list = QNetworkInterface::allAddresses();
+    /**
+     *遍历列表，如果ip协议是IPve4的，则获取
+     */
+    foreach (QHostAddress address, list)
+    {
+       if(address.protocol() == QAbstractSocket::IPv4Protocol) //我们使用IPv4地址
+            return address.toString();//将QHostAddress类型的ip转换为字符串格式
+    }
+    //否，返回0
+       return 0;
+}
+/**
+ * 发送信息
+ *@brief Chitchat::sendMessage
+ * @param type
+ * @param serverAddress
+ */
+void Chitchat::sendMessage(MessageType type, QString serverAddress)  //发送信息
+{
+    QByteArray data;
+    QDataStream out(&data,QIODevice::WriteOnly);
+    QString localHostName = QHostInfo::localHostName();
+    QString address = getIP();
+    out << type << getUserName() << localHostName;
+
+    switch(type)
+    {
+        case ParticipantLeft:
+            {
+                break;
+            }
+        case NewParticipant:
+            {
+                out << address;
+                break;
+            }
+
+        case Message :
+            {
+                if(ui->textEdit->toPlainText() == "")
+                {
+                    QMessageBox::warning(0,tr("警告"),tr("发送内容不能为空"),QMessageBox::Ok);
+                    return;
+                }
+               out << address << getMessage();
+               ui->textEdit->verticalScrollBar()->setValue(ui->textBrowser->verticalScrollBar()->maximum());
+               break;
+
+            }
+        case FileName:
+            {
+                int row = ui->tableWidget->currentRow();//获取QTableWidget的行
+                QString clientAddress = ui->tableWidget->item(row,3)->text();//客户端ip
+                out << address << clientAddress << fileName;
+                break;
+            }
+        case Refuse:
+            {
+                out << serverAddress;
+                break;
+            }
+    }
+    udpSocket->writeDatagram(data,data.length(),QHostAddress::Broadcast, port);
+}
+/**
+ *获取用户名
+ * @brief Chitchat::getUserName
+ * @return
+ */
+QString Chitchat::getUserName()  //获取用户名
+{
+
+    return name;
+}
+/**
+ *获取要发送的消息
+ * @brief Chitchat::getMessage
+ * @return
+ */
+QString Chitchat::getMessage()  //获得要发送的信息
+{
+    QString msg = ui->textEdit->toHtml();//转换格式
+
+    ui->textEdit->clear();
+    ui->textEdit->setFocus();
+    return msg;
+}
+/**
+ *关闭事件
+ * @brief Chitchat::closeEvent
+ */
+void Chitchat::closeEvent(QCloseEvent *)
+{
+    sendMessage(ParticipantLeft);
+}
+
+/**
+ *发送文件名
+ * @brief Chitchat::sentFileName
+ * @param fileName
+ */
+void Chitchat::sentFileName(QString fileName)
+{
+    this->fileName = fileName;
+    sendMessage(FileName);
+}
+/**
+ *接收文件
+ * @brief Chitchat::hasPendingFile
+ * @param userName
+ * @param serverAddress
+ * @param clientAddress
+ * @param fileName
+ */
+void Chitchat::hasPendingFile(QString userName,QString serverAddress,  //接收文件
+                            QString clientAddress,QString fileName)
+{
+    QString ipAddress = getIP();
+    if(ipAddress == clientAddress)
+    {
+        int btn = QMessageBox::information(this,tr("接受文件"),
+                                 tr("来自%1(%2)的文件：%3,是否接收？")
+                                 .arg(userName).arg(serverAddress).arg(fileName),
+                                 QMessageBox::Yes,QMessageBox::No);
+        if(btn == QMessageBox::Yes)
+        {
+            QString name = QFileDialog::getSaveFileName(0,tr("保存文件"),fileName);
+            if(!name.isEmpty())
+            {
+                TcpClient *client = new TcpClient(this);
+                client->setFileName(name);
+                client->setHostAddress(QHostAddress(serverAddress));
+                client->show();
+
+            }
+
+        }
+        else{
+            sendMessage(Refuse,serverAddress);
+        }
+    }
+}
+
+/**
+ *关闭窗口
+ * @brief Chitchat::Close
+ */
+void Chitchat::Close(){
+    QMessageBox::StandardButton bt=QMessageBox::question(this,tr("关闭窗口"),
+    tr("是否关闭窗口"),QMessageBox::Yes|QMessageBox::No,QMessageBox::No);
+
+    if(bt==QMessageBox::Cancel){
+        return;
+    }else if(bt==QMessageBox::Yes){
+        this->close();
+    }
+}
+
+/**
+ *保存聊天记录
+ * @brief Chitchat::Save
+ */
+void Chitchat::Save(){
+    QString path=QFileDialog::getSaveFileName(this,tr("保存文件"),"records.txt","(*.*)");
+    QFile file(path);
+        if (!file.open(QFile::WriteOnly | QFile::Text)) {
+            QMessageBox::warning(this, tr("保存文件"),
+                                 tr("无法保存文件 %1:\n %2").arg(path)
+                                 .arg(file.errorString()));
+
+        }
+        QTextStream out(&file);
+
+        QString r= ui->textBrowser->toPlainText();
+
+        out<<r;
+
+        QSqlDatabase db=QSqlDatabase::addDatabase("SQLITE");
+
+        db.setDatabaseName("chatingRecords.db");
+
+
+        QSqlQuery query;
+
+        QVariantList rec;
+
+        rec<<r;
+
+        query.addBindValue(rec);
+
+        if(!query.execBatch())//进行批处理，如果出错就输出错误qDebug()<<query.lastError();
+
+        QMessageBox::warning(this,tr("保存聊天记录!"),tr("保存成功!"));
+
+}
+/**
+ *发送信息
+ * @brief Chitchat::on_sentBtn_clicked
+ */
+
+void Chitchat::on_sentBtn_clicked()
+{
+       sendMessage(Message);
+}
+/**
+ *事件滤过器
+ * @brief Chitchat::eventFilter
+ * @param target
+ * @param event
+ * @return
+ */
+bool Chitchat::eventFilter(QObject *target, QEvent *event)
+{
+    if(target == ui->textEdit)
+    {
+        if(event->type() == QEvent::KeyPress)
+        {
+             QKeyEvent *k = static_cast<QKeyEvent *>(event);
+             if(k->key() == Qt::Key_Return)
+             {
+                 on_sentBtn_clicked();
+                 return true;
+             }
+        }
+    }
+    return QWidget::eventFilter(target,event);
+}
+/**
+ *发送文件
+ * @brief Chitchat::SendFile
+ */
+void Chitchat::SendFile(){
+    if(ui->tableWidget->selectedItems().isEmpty()){
+          QMessageBox::warning(0,tr("选择用户"),tr("请先从用户列表选择要传送的用户！"),QMessageBox::Ok);
+          return;
+    }
+      server->show();
+      server->initServer();
+}
+/**
+ *显示音乐播放器
+ * @brief Chitchat::showPlayer
+ */
+void Chitchat::showPlayer(){
+    Player *player=new Player;
+    player->show();
+}
+/**
+ *清屏
+ * @brief Chitchat::Clear
+ */
+void Chitchat::Clear(){
+    ui->textBrowser->clear();
+}
+/**
+ *显示记事本
+ * @brief Chitchat::showNote
+ */
+void Chitchat::showNote(){
+
+    Note *n=new Note;
+    n->show();
+}
+/**
+ *
+ *用默认浏览器打开网页
+ * @brief Chitchat::showExplore
+ */
+
+void Chitchat::showExplore(){
+
+    const QUrl AuthorUrl("http://hao.qq.com/");
+    QDesktopServices::openUrl(AuthorUrl);
+}
+
+/**
+ *显示截图工具
+ * @brief Chitchat::showGrapScreenTool
+ */
+void Chitchat::showGrapScreenTool(){
+    GrapScreen *g=new GrapScreen;
+    g->show();
+}
+
+/**
+ *退出登录，即返回登录界面
+ * @brief Chitchat::ExitLogin
+ */
+void Chitchat::ExitLogin(){
+    this->close();
+    Login *l=new Login;
+    l->show();
+}
+
+Chitchat::~Chitchat()
+{
+    delete ui;
+}
+
+/**
+ *关闭窗口
+ * @brief Chitchat::on_colorBtn_clicked
+ */
+void Chitchat::on_colorBtn_clicked()
+{
+    QColor color=QColorDialog::getColor(Qt::white,this);
+    if(color.isValid()){
+        ui->textEdit->setTextColor(color);
+        ui->textEdit->setFocus();
+    }
+}
+/**
+ *发送表情，还没实现
+ * @brief Chitchat::on_expression_clicked
+ */
+void Chitchat::on_expression_clicked()
+{
+    list=new QListWidget;
+
+}
+/**
+ *发送图片
+ * @brief Chitchat::on_picBtn_clicked
+ */
+void Chitchat::on_picBtn_clicked()
+{
+    QTextCursor cursor = ui->textEdit->textCursor();
+    QTextImageFormat format;
+    QString image = QFileDialog::getOpenFileName(this,"insert image","/","png(*.png)");
+    format.setName(image);
+    cursor.insertImage(format);
+}
+/**
+ *显示涂鸦板
+ * @brief Chitchat::on_showPanelBtn_clicked
+ */
+void Chitchat::on_showPanelBtn_clicked()
+{
+    doodle=new DoodleBoard;
+    doodle->show();
+}
+
+
+/**
+ *发送框，字体设置
+ * @brief Chitchat::on_fontComboBox_currentFontChanged
+ * @param font
+ */
+void Chitchat::on_fontComboBox_currentFontChanged(const QFont font)
+{
+    ui->textEdit->setFont(font);
+    ui->textEdit->setFocus();
+}
+
+/**
+ *发送框字体大小设置
+ * @brief Chitchat::on_fontSizeComboBox_currentIndexChanged
+ * @param size
+ */
+void Chitchat::on_fontSizeComboBox_currentIndexChanged(const QString size)
+{
+    ui->textEdit->setFontPointSize(size.toDouble());
+    ui->textEdit->setFocus();
+}
+
+/**
+ *发送文本框字体加粗
+ * @brief Chitchat::Bold
+ */
+void Chitchat::Bold()
+{
+    QTextCharFormat format;
+    format.setFontWeight(ui->boldBtn->isChecked()?QFont::Bold:QFont::Normal);
+    ui->textEdit->mergeCurrentCharFormat(format);
+}
+/**
+ *文本框字体斜体设置
+ * @brief Chitchat::Italic
+ */
+void Chitchat::Italic()
+{
+    QTextCharFormat format;
+    format.setFontItalic(ui->ItalicBtn->isChecked());
+    ui->textEdit->mergeCurrentCharFormat(format);
+}
+/**
+ *下划线
+ * @brief Chitchat::UnderLine
+ */
+void Chitchat::UnderLine()
+{
+    QTextCharFormat format;
+    format.setFontUnderline(ui->underLineBtn->isChecked());
+    ui->textEdit->mergeCurrentCharFormat(format);
+}
+/**
+ *QTableWidget单击
+ * @brief Chitchat::on_tableWidget_clicked
+ * @param index
+ */
+void Chitchat::on_tableWidget_clicked(QModelIndex index)
+{
+
+            if(!privatechat){
+
+            privatechat = new PrivateChat(ui->tableWidget->item(index.row(),1)->text(), //接收主机名
+                                   ui->tableWidget->item(index.row(),3)->text()) ;//接收用户IP
+            }
+
+            QByteArray data;
+            QDataStream out(&data,QIODevice::WriteOnly);
+            QString localHostName = QHostInfo::localHostName();
+            QString address = getIP();
+//            out << Xchat << getUserName() << localHostName << address;
+              out<< getUserName() << localHostName << address;
+            udpSocket->writeDatagram(data,data.length(),QHostAddress::QHostAddress(ui->tableWidget->item(index.row(),3)->text()), port);
+
+                privatechat->show();
+            privatechat->is_opened = true;
+
+ }
+
+void Chitchat::showxchat(QString name, QString ip)
+{
+
+    if(!privatechat1)
+        /****/
+    privatechat1 = new PrivateChat(getUserName(),ip);
+
+    bb++;
+
+
+}

chitchat/chitchat.h

+#ifndef CHITCHAT_H
+#define CHITCHAT_H
+
+#include "note.h"
+#include "player.h"
+#include "login.h"
+#include "grapscreen.h"
+#include "privatechat.h"
+#include "doodleboard.h"
+#include "tcpclient.h"
+#include "tcpserver.h"
+
+#include <QtGui>
+#include <QMenu>
+#include <QColor>
+#include <QAction>
+#include <QToolBar>
+#include <QPalette>
+#include <QtNetwork>
+#include <QListWidget>
+#include <QTableWidget>
+#include <QTextCodec>
+#include <QMainWindow>
+#include <QColorDialog>
+
+/**
+ *实现群聊功能的头文件,通过构造函数从登陆框里传登录名信息到群聊界面
+ */
+namespace Ui {
+class Chitchat;
+}
+
+class Chitchat : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    /**
+     * @brief Chitchat
+     * @param nickName//登录名
+     * @param parent
+     */
+    explicit Chitchat(QString nickName,QWidget *parent = 0);
+    void init();
+    void createAction();//创建菜单栏
+    void createToolBar();//工具栏
+    QString getUserName();//获取登陆名
+    QString getMessage();//获取信息
+
+    PrivateChat *privatechat;//私聊类对象
+    PrivateChat *privatechat1;
+
+       QListWidget *list;//用于发送表情,还没实现发送表情
+
+    ~Chitchat();
+protected:
+    void changeEvent(QEvent *e);//改变事件
+    void sendMessage(MessageType type,QString serverAddress="");//根据用户状态，发送信息
+    void newParticipant(QString userName,QString localHostName,QString ipAddress);//新用户加入
+    void participantLeft(QString userName,QString localHostName,QString time);//用户离开
+    void closeEvent(QCloseEvent *);//关闭事件
+    void hasPendingFile(QString userName,QString serverAddress,
+                        QString clientAddress,QString fileName);
+
+     bool eventFilter(QObject *target, QEvent *event);//事件过滤器
+
+
+
+private:
+    Ui::Chitchat *ui;
+    qint32 bb;
+
+    QString name;
+
+    QToolBar *toolBar;
+    QAction *sendFile;
+    QAction *music;
+    QAction *save;
+    QAction *clear;
+    QAction *note;
+    QAction *explore;
+    QAction *grapWindowScreen;
+    QAction *exitLogin;
+    QAction *privateChichat;
+
+    QUdpSocket *udpSocket;
+    qint32 port;
+    QString fileName;
+    TcpServer *server;
+
+    DoodleBoard *doodle;
+
+    QString getIP();
+
+    QColor color;//颜色
+
+
+
+    void showxchat(QString name, QString ip);
+
+
+    bool saveFile(const QString& fileName);//保存聊天记录
+
+private slots:
+
+    void Clear();
+    void SendFile();
+    void showPlayer();
+    void showExplore();
+    void showNote();
+    void ExitLogin();
+    void showGrapScreenTool();
+
+    void Save();
+
+
+    void processPendingDatagrams();
+    void sentFileName(QString);
+//    void currentFormatChanged(const QTextCharFormat &format);
+
+//    void currentFormatChanged(const QTextCharFormat &format);
+
+    void Close();
+    void on_sentBtn_clicked();
+
+    void on_colorBtn_clicked();
+    void on_picBtn_clicked();
+    void on_expression_clicked();
+    void on_showPanelBtn_clicked();
+
+    void on_fontComboBox_currentFontChanged(const QFont font);
+    void on_fontSizeComboBox_currentIndexChanged(const QString size);
+
+//    void on_boldBtn_clicked(bool checked);
+//    void on_ItalicBtn_clicked(bool checked);
+//    void on_underLineBtn_clicked(bool checked);
+    void Bold();
+    void Italic();
+
+    void UnderLine();
+
+
+    void on_tableWidget_clicked(QModelIndex index);
+};
+
+#endif // CHITCHAT_H

chitchat/chitchat.pro

+#-------------------------------------------------
+#
+# Project created by QtCreator 2014-11-30T13:55:49
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+QT       += network
+
+QT       += webkit
+
+QT       += sql
+
+QT       += phonon
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = chitchat
+TEMPLATE = app
+
+RC_FILE += app.rc
+
+SOURCES += main.cpp\
+        chitchat.cpp \
+    tcpserver.cpp \
+    tcpclient.cpp \
+    drawwidget.cpp \
+    doodleboard.cpp \
+    login.cpp \
+    privatechat.cpp \
+    player.cpp \
+    note.cpp \
+    grapscreen.cpp
+    
+
+HEADERS  += chitchat.h \
+    tcpserver.h \
+    tcpclient.h \
+    drawwidget.h \
+    doodleboard.h \
+    login.h \
+    privatechat.h \
+    player.h \
+    note.h \
+    grapscreen.h
+  
+
+FORMS    += chitchat.ui \
+    tcpserver.ui \
+    tcpclient.ui \
+    login.ui \
+    privatechat.ui \
+    player.ui \
+    grapscreen.ui
+   
+
+RESOURCES += \
+    images.qrc \
+    playericon.qrc \
+    noteicon.qrc \
+    exploreicon.qrc \
+    usericon.qrc

chitchat/chitchat.pro.user

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chitchat/chitchat.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Chitchat</class>
+ <widget class="QMainWindow" name="Chitchat">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>946</width>
+    <height>534</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Chitchat</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <widget class="QTextBrowser" name="textBrowser">
+    <property name="geometry">
+     <rect>
+      <x>11</x>
+      <y>1</y>
+      <width>561</width>
+      <height>291</height>
+     </rect>
+    </property>
+   </widget>
+   <widget class="QTextEdit" name="textEdit">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>320</y>
+      <width>561</width>
+      <height>161</height>
+     </rect>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="sentBtn">
+    <property name="geometry">
+     <rect>
+      <x>390</x>
+      <y>490</y>
+      <width>81</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>发送</string>
+    </property>
+    <property name="icon">
+     <iconset resource="images.qrc">
+      <normaloff>:/images/send.png</normaloff>:/images/send.png</iconset>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="closeBtn">
+    <property name="geometry">
+     <rect>
+      <x>490</x>
+      <y>490</y>
+      <width>81</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>关闭</string>
+    </property>
+    <property name="icon">
+     <iconset resource="images.qrc">
+      <normaloff>:/images/exitLogin.png</normaloff>:/images/exitLogin.png</iconset>
+    </property>
+   </widget>
+   <widget class="QWidget" name="layoutWidget">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>290</y>
+      <width>561</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QFontComboBox" name="fontComboBox"/>
+     </item>
+     <item>
+      <widget class="QComboBox" name="fontSizeComboBox">
+       <property name="currentIndex">
+        <number>0</number>
+       </property>
+       <item>
+        <property name="text">
+         <string>5</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>6</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>7</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>8</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>9</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>10</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>11</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>12</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>13</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>14</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>15</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>16</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>17</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>18</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>19</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>20</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>21</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>22</string>
+        </property>
+       </item>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="boldBtn">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="images.qrc">
+         <normaloff>:/images/bold.png</normaloff>:/images/bold.png</iconset>
+       </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="ItalicBtn">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="images.qrc">
+         <normaloff>:/images/textitalic.png</normaloff>:/images/textitalic.png</iconset>
+       </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="underLineBtn">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="images.qrc">
+         <normaloff>:/images/textunder.png</normaloff>:/images/textunder.png</iconset>
+       </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="colorBtn">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="images.qrc">
+         <normaloff>:/images/textcolor.png</normaloff>:/images/textcolor.png</iconset>
+       </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+       <property name="checked">
+        <bool>false</bool>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="showPanelBtn">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="images.qrc">
+         <normaloff>:/images/painting.png</normaloff>:/images/painting.png</iconset>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="expression">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="images.qrc">
+         <normaloff>:/images/emoticon_smile.png</normaloff>:/images/emoticon_smile.png</iconset>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="picBtn">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="images.qrc">
+         <normaloff>:/images/insert-image.png</normaloff>:/images/insert-image.png</iconset>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+   <widget class="QLabel" name="onLineUsersNum">
+    <property name="geometry">
+     <rect>
+      <x>630</x>
+      <y>500</y>
+      <width>151</width>
+      <height>20</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>在线人数:</string>
+    </property>
+   </widget>
+   <widget class="QWidget" name="layoutWidget">
+    <property name="geometry">
+     <rect>
+      <x>580</x>
+      <y>0</y>
+      <width>352</width>
+      <height>481</height>
+     </rect>
+    </property>
+    <layout class="QVBoxLayout" name="verticalLayout_2">
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string/>
+       </property>
+       <property name="pixmap">
+        <pixmap resource="images.qrc">:/images/pic2.jpg</pixmap>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QTableWidget" name="tableWidget">
+       <property name="layoutDirection">
+        <enum>Qt::LeftToRight</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Raised</enum>
+       </property>
+       <property name="lineWidth">
+        <number>1</number>
+       </property>
+       <property name="midLineWidth">
+        <number>1</number>
+       </property>
+       <property name="verticalScrollBarPolicy">
+        <enum>Qt::ScrollBarAlwaysOn</enum>
+       </property>
+       <property name="textElideMode">
+        <enum>Qt::ElideNone</enum>
+       </property>
+       <property name="verticalScrollMode">
+        <enum>QAbstractItemView::ScrollPerPixel</enum>
+       </property>
+       <column>
+        <property name="text">
+         <string>图片</string>
+        </property>
+       </column>
+       <column>
+        <property name="text">
+         <string>登录名</string>
+        </property>
+       </column>
+       <column>
+        <property name="text">
+         <string>主机名</string>
+        </property>
+       </column>
+       <column>
+        <property name="text">
+         <string>ip地址</string>
+        </property>
+       </column>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>946</width>
+     <height>19</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources>
+  <include location="images.qrc"/>
+ </resources>
+ <connections/>
+</ui>

chitchat/doodleboard.cpp

+#include "doodleboard.h"
+/**
+ * @brief DoodleBoard::DoodleBoard
+ * @param parent
+ */
+DoodleBoard::DoodleBoard(QWidget *parent) :
+    QMainWindow(parent)
+{
+    QTextCodec::setCodecForTr(QTextCodec::codecForLocale()); //零긍쯤목駕
+
+    setWindowTitle(tr("沽綺겼")); //零눗왯깃痙
+
+    setWindowIcon(QIcon(":/images/gyachi.png"));//零깃痙으暠깃
+
+    QPalette pal;
+    QPixmap pixmap(":/images/background.jpg");
+    pal.setBrush(QPalette::Window,QBrush(pixmap));
+    setPalette(pal);
+
+
+
+    draw=new DrawWidget; //눼쉔뺌겼뚤蹶
+
+    setCentralWidget(draw);//零뺌겼槨櫓懃꼬숭
+
+    fileInit();
+    editInit();
+
+    createToolBar();//눼쉔묏야으
+
+    showStyle();//零목駕
+
+    draw->setWidth(widthSpain->value());  //零窟욱
+
+    draw->setColor(Qt::black);//零奈
+
+    resize(500,400);
+
+}
+
+void DoodleBoard::fileInit(){
+    //괏닸
+
+      save = new QAction(QIcon(":/images/save.png"),tr("괏닸"),this);
+      save->setStatusTip(tr("괏닸"));
+      connect(save,SIGNAL(triggered()),this,SLOT(savePic()));
+
+      exit = new QAction(QIcon(":/images/exit.png"),tr("藁놔"),this);
+      exit->setStatusTip(tr("藁놔"));
+      connect(exit,SIGNAL(triggered()),this,SLOT(close()));
+  //속潼暠튬
+      load=new QAction(QIcon(":/images/load.png"),tr("속潼"),this);
+      load->setStatusTip(tr("속潼暠튬"));
+      connect(load,SIGNAL(triggered()),this,SLOT(loadPic()));
+
+
+
+}
+
+void DoodleBoard::editInit(){
+    //목駕
+
+    styleLabel = new QLabel(tr("窟昑루목:"));
+    styleCom = new QComboBox;
+    styleCom->setStatusTip(tr("맣긴뺌궝루목"));
+    styleCom->addItem(tr("DashDotLine"),static_cast<int>(Qt::DashDotDotLine));
+    styleCom->addItem(tr("DashDotDotLine"),static_cast<int>(Qt::DashDotDotLine));
+    styleCom->addItem(tr("DashLine"),static_cast<int>(Qt::DashLine));
+    styleCom->addItem(tr("DotLine"),static_cast<int>(Qt::DotLine));
+    styleCom->addItem(tr("SolidLine"),static_cast<int>(Qt::SolidLine));
+    connect(styleCom,SIGNAL(activated(int)),this,SLOT(showStyle()));
+//窟욱
+    widthLabel = new QLabel(tr("窟욱:"));
+    widthSpain = new QSpinBox;
+    widthSpain->setStatusTip(tr("맣긴뺌궝窟욱"));
+    widthSpain->setValue(1);
+    connect(widthSpain,SIGNAL(valueChanged(int)),draw,SLOT(setWidth(int)));
+//奈
+    color = new QAction(QIcon(":/images/color.png"),tr("奈"),this);
+    color->setStatusTip(tr("맣긴뺌궝奈"));
+    QPixmap pix(30,30);
+    pix.fill(Qt::green);
+    connect(color,SIGNAL(triggered()),this,SLOT(showColor()));
+//헌뇜
+    clear = new QAction(QIcon(":/images/clear.png"),tr("헌뇜"),this);
+    clear->setText(tr("헌뇜"));
+    clear->setStatusTip(tr("헌뇜"));
+    connect(clear,SIGNAL(triggered()),draw,SLOT(Clear()));
+}
+
+
+
+//눼쉔묏야으
+void DoodleBoard::createToolBar(){
+
+
+//쉥꼬숭警속돕묏야으
+
+    editTool=addToolBar(tr("긍서"));
+
+    fileTool=addToolBar(tr("묏야으"));
+
+    editTool->addWidget(styleLabel);
+    editTool->addWidget(styleCom);
+    editTool->addWidget(widthLabel);
+    editTool->addWidget(widthSpain);
+    editTool->addAction(color);
+    editTool->addAction(clear);
+
+    fileTool->addAction(save);
+    fileTool->addAction(load);
+    fileTool->addAction(exit);
+
+}
+//목駕
+void DoodleBoard::showStyle(){
+
+    draw->setStyle(styleCom->itemData(styleCom->currentIndex(),Qt::UserRole).toInt());
+
+}
+//奈
+void DoodleBoard::showColor(){
+
+    QColor col=QColorDialog::getColor(Qt::white,this);
+
+    if(col.isValid()){
+        draw->setColor(col);
+        QPixmap pix(30,30);//뺌겼
+        pix.fill(col);//輕념朞嶝돨奈
+        //color->setIcon(QIcon(pix));//零객큐奈
+    }
+}
+
+
+void DoodleBoard::savePic(){
+
+    draw->pix->save("E://myDraw.png");
+    QMessageBox::about(this,tr("暠튬괏닸"),tr("暠튬괏닸냥묘!"));
+
+}
+
+void DoodleBoard::loadPic(){
+    QString pic=QFileDialog::getOpenFileName(this,tr("댔역匡숭"),
+                                                  "/","picture(*.png)");
+    draw->pix->load(pic);
+}

chitchat/doodleboard.h

+#ifndef DOODLEBOARD_H
+#define DOODLEBOARD_H
+
+#include "drawwidget.h"
+
+
+#include <QMenu>
+#include <QLabel>
+#include <QPixmap>
+#include <QMenuBar>
+#include <QToolBar>
+#include <QSpinBox>
+#include <QComboBox>
+#include <QTextCursor>
+#include <QTextStream>
+#include <QPrintDialog>
+#include <QFileDialog>
+#include <QMessageBox>
+#include <QTextCodec>
+#include <QMainWindow>
+#include <QColorDialog>
+/**
+ *这是实现涂鸦板功能的头文件
+ * @brief The DoodleBoard class
+ */
+class DoodleBoard : public QMainWindow
+{
+    Q_OBJECT
+public:
+    explicit DoodleBoard(QWidget *parent = 0);
+    void fileInit();//文件操作类的组件初始
+    void editInit();//编辑操作类的组件初始
+    void createToolBar();//创建工具栏
+private:
+
+    DrawWidget *draw;//画板
+
+    QToolBar *fileTool;//文件工具栏
+    QToolBar *editTool;//编辑工具栏
+    QLabel *styleLabel;
+    QComboBox *styleCom;//画笔风格下拉菜单
+    QLabel *widthLabel;
+    QSpinBox *widthSpain;//画笔线条号数
+
+    //文件操作类动作事件
+    QAction *exit;
+    QAction *load;
+    QAction *save;
+
+    //编辑操作类动作事件
+    QAction *color;
+    QAction *clear;
+    QAction *send;
+
+private slots:
+
+    void savePic();//保存图片
+    void loadPic();//加载图片到涂鸦板
+    void showStyle();//改变画笔风格
+    void showColor();//改变画笔颜色
+    
+};
+
+#endif // DOODLEBOARD_H

chitchat/drawwidget.cpp

+#include "drawwidget.h"
+/**
+ * @brief DrawWidget::DrawWidget
+ * @param parent
+ */
+DrawWidget::DrawWidget(QWidget *parent) :
+    QWidget(parent)
+{
+
+    setAutoFillBackground(true);
+    QPalette palette(QPalette(Qt::white));
+
+    pix = new QPixmap(size());
+
+    pix->fill(Qt::white);//填充颜色
+
+}
+//setX函数用于主函数传参数
+void DrawWidget::setStyle(int s){
+    style=s;
+}
+
+void DrawWidget::setColor(QColor c){
+    color=c;
+}
+
+void DrawWidget::setWidth(int w){
+    width=w;
+}
+
+//鼠标移动事件
+void DrawWidget::mouseMoveEvent(QMouseEvent *e){
+
+    QPainter *painter = new QPainter;//打印器
+
+    QPen pen;//画笔
+    pen.setStyle((Qt::PenStyle)style);
+    pen.setWidth(width);
+    pen.setColor(color);
+
+    painter->begin(pix);
+    painter->setPen(pen);
+    painter->drawLine(startPos,e->pos());//画线
+    painter->end();
+    startPos=e->pos();
+    update();
+
+}
+//鼠标按下事件
+void DrawWidget::mousePressEvent(QMouseEvent *e){
+
+    startPos=e->pos();
+
+}
+//paint事件
+void DrawWidget::paintEvent(QPaintEvent *e){
+
+    QPainter painter(this);
+    painter.drawPixmap(QPoint(0,0),*pix);
+}
+//重新设置大小事件
+void DrawWidget::resizeEvent(QResizeEvent *e){
+
+    if(height()>pix->height()){
+
+        QPixmap *newPix=new QPixmap(size());
+        newPix->fill(Qt::white);
+        QPainter painter(newPix);
+        painter.drawPixmap(QPoint(0,0),*pix);
+        pix=newPix;
+
+    }
+
+    QWidget::resizeEvent(e);
+}
+//清除事件
+void DrawWidget::Clear(){
+
+    QPixmap *clearPix = new QPixmap(size());
+
+    clearPix->fill(Qt::white);
+
+    pix=clearPix;//新创建的画布覆盖原来的画布
+
+    update();
+}

chitchat/drawwidget.h

+
+#ifndef DRAWWIDGET_H
+#define DRAWWIDGET_H
+
+#include <QPen>
+#include <QWidget>
+#include <QPixmap>
+#include <QPainter>
+#include <QMouseEvent>
+#include <QPaintEvent>
+#include <QResizeEvent>
+
+class DrawWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit DrawWidget(QWidget *parent = 0);
+    void paintEvent(QPaintEvent *);//绘画事件
+    void resizeEvent(QResizeEvent *);
+    void mouseMoveEvent(QMouseEvent *);//鼠标移动事件
+    void mousePressEvent(QMouseEvent *);
+public:
+    int style;
+    int width;
+    QColor color;
+    QPoint startPos;
+    QPixmap *pix;
+
+
+signals:
+
+public slots:
+    void setStyle(int);//设置画笔风格
+    void setWidth(int);
+    void setColor(QColor);
+    void Clear();
+
+};
+
+#endif // DRAWWIDGET_H

chitchat/exploreicon.qrc

+<RCC>
+    <qresource prefix="/">
+        <file>images/exploreicon/download.png</file>
+        <file>images/exploreicon/downloadImage.png</file>
+        <file>images/exploreicon/e.png</file>
+        <file>images/exploreicon/history.png</file>
+        <file>images/exploreicon/http.png</file>
+        <file>images/exploreicon/search.png</file>
+    </qresource>
+</RCC>

chitchat/grapscreen.cpp

+#include "grapscreen.h"
+#include "ui_grapscreen.h"
+/**
+ * @brief GrapScreen::GrapScreen
+ * @param parent
+ */
+GrapScreen::GrapScreen(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::GrapScreen)
+{
+    ui->setupUi(this);
+    QTextCodec::setCodecForTr(QTextCodec::codecForLocale());
+    setWindowIcon(QIcon(":/images/img.png"));
+    setWindowTitle(tr("截图工具"));
+    /**
+     *设置背景图片
+     * @brief pal
+     */
+    QPalette pal;
+    QPixmap pixmap(":/images/pic.jpg");
+    pal.setBrush(QPalette::Window,QBrush(pixmap));
+    setPalette(pal);
+
+
+    createWindow();
+    createEventFilter();
+
+}
+
+void GrapScreen::createWindow(){
+
+    grapWindowGreen=new QAction(QIcon(":/images/img.png"),tr("截图工具"),this);
+    toolBar=addToolBar(tr("工具栏"));
+    toolBar->addAction(grapWindowGreen);
+
+
+    fullScreenLabel=new QLabel();
+    rubberBand=new QRubberBand(QRubberBand::Rectangle,fullScreenLabel);
+    leftMousePress = false;
+
+    saveLabel=new QLabel();
+    save=new QAction(QIcon(":/images/save.png"),tr("保存"),saveLabel);
+    saveLabel->addAction(save);
+    saveLabel->setContextMenuPolicy(Qt::ActionsContextMenu);
+
+    connect(grapWindowGreen,SIGNAL(triggered()),this,SLOT(GrapWindowScreen()));
+
+    connect(save,SIGNAL(triggered()),this,SLOT(savePic()));
+
+    setFixedSize(250,250);
+
+}
+
+/**
+ *事件滤过器
+ * @brief GrapScreen::eventFilter
+ * @param o
+ * @param e
+ * @return
+ */
+bool GrapScreen::eventFilter(QObject *o, QEvent *e){
+    if(o!=fullScreenLabel){
+        return GrapScreen::eventFilter(o,e);
+    }
+
+    QMouseEvent *mouseEvent=static_cast<QMouseEvent*>(e);
+/**
+ *鼠标左键时
+ */
+    if((mouseEvent->button()==Qt::LeftButton)&&(mouseEvent->type()==QEvent::MouseButtonPress)){
+        leftMousePress=true;
+
+        point1=mouseEvent->pos();
+
+        if(!rubberBand){
+            rubberBand=new QRubberBand(QRubberBand::Rectangle,fullScreenLabel);
+
+        }
+
+        rubberBand->setGeometry(QRect(point1,QSize()));//矩形
+
+        rubberBand->show();
+
+        this->hide();//隐藏窗口
+
+
+        return true;
+
+    }
+/**
+ *鼠标移动
+ */
+    if ((mouseEvent->type() == QEvent::MouseMove)&& (leftMousePress)){
+        if (rubberBand){
+                  rubberBand->setGeometry(QRect(point1, mouseEvent->pos()).normalized());
+       }
+       // saveLabel->show();
+        return true;
+    }
+/**
+ *鼠标释放
+ */
+    if((mouseEvent->button()==Qt::LeftButton)&&(mouseEvent->type()==QEvent::MouseButtonRelease)){
+
+        leftMousePress=false;
+
+        if(rubberBand){
+            point2=mouseEvent->pos();
+
+            QRect rect=QRect(point1,point2);
+
+            saveLabel->setPixmap(fullScreenPixmap.grabWidget(fullScreenLabel,rect.x(),rect.y(),rect.width(),rect.height()));
+
+
+            saveLabel->setFixedSize(rect.width(),rect.height());
+
+            saveLabel->show();
+
+            rubberBand->hide();
+
+            fullScreenLabel->hide();
+        }
+        return true;
+    }
+
+    return false;
+}
+/**
+ *fullScreenLabel创建事件滤过器
+ * @brief GrapScreen::createEventFilter
+ */
+void GrapScreen::createEventFilter(){
+
+    fullScreenLabel->installEventFilter(this);
+}
+/**
+ *截图功能
+ * @brief GrapScreen::GrapWindowScreen
+ */
+void GrapScreen::GrapWindowScreen(){
+
+    if(!fullScreenLabel){
+        fullScreenLabel=new QLabel();
+    }
+
+    fullScreenPixmap=QPixmap::grabWindow(QApplication::desktop()->winId());
+
+    fullScreenLabel->setPixmap(fullScreenPixmap);
+
+   fullScreenLabel->showFullScreen();//全屏
+}
+/**
+ *保存截图
+ * @brief GrapScreen::savePic
+ */
+void GrapScreen::savePic(){
+
+    QString fileName=QFileDialog::getSaveFileName(saveLabel,tr("保存截图"),"/","(*.png)");
+
+    if(!fileName.isEmpty()){
+         fullScreenPixmap.save(fileName);
+    }
+}
+
+GrapScreen::~GrapScreen()
+{
+    delete ui;
+}

chitchat/grapscreen.h

+#ifndef GRAPSCREEN_H
+#define GRAPSCREEN_H
+
+#include <QtGui>
+#include <QAction>
+#include <QLabel>
+#include <QPoint>
+#include <QPixmap>
+#include <QToolBar>
+#include <QTextCodec>
+#include <QMouseEvent>
+#include <QRubberBand>
+#include <QApplication>
+#include <QMainWindow>
+
+
+namespace Ui {
+class GrapScreen;
+}
+/**
+ *屏幕截屏功能的头文件
+ * @brief The GrapScreen class
+ */
+class GrapScreen : public QMainWindow
+{
+    Q_OBJECT
+    
+public:
+    explicit GrapScreen(QWidget *parent = 0);
+    void createEventFilter();
+    void createWindow();
+     bool eventFilter(QObject *, QEvent *);
+    ~GrapScreen();
+    
+private:
+    Ui::GrapScreen *ui;
+    QPoint point1;//鼠标开始点击的点
+    QPoint point2;
+
+    QAction *save;//保存截图
+    QAction *grapWindowGreen;//截屏
+    QToolBar *toolBar;
+
+    QLabel *saveLabel;
+    QLabel *fullScreenLabel;
+
+    QPixmap fullScreenPixmap;
+
+    QRubberBand *rubberBand;//橡皮带
+
+     bool leftMousePress;//鼠标是否左击
+
+private slots:
+
+    void savePic();
+
+
+    void GrapWindowScreen();
+
+};
+
+#endif // GRAPSCREEN_H

chitchat/grapscreen.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>GrapScreen</class>
+ <widget class="QMainWindow" name="GrapScreen">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>256</width>
+    <height>208</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget"/>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>256</width>
+     <height>19</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

chitchat/images.qrc

+<RCC>
+    <qresource prefix="/">
+        <file>images/User.png</file>
+        <file>images/background.jpg</file>
+        <file>images/bold.png</file>
+        <file>images/dove.png</file>
+        <file>images/exitLogin.png</file>
+        <file>images/help.png</file>
+        <file>images/insert-image.png</file>
+        <file>images/Music.png</file>
+        <file>images/painting.png</file>
+        <file>images/save.png</file>
+        <file>images/send.png</file>
+        <file>images/textcolor.png</file>
+        <file>images/textitalic.png</file>
+        <file>images/textunder.png</file>
+        <file>images/clear.png</file>
+        <file>images/emoticon_smile.png</file>
+        <file>images/printText.png</file>
+        <file>images/color.png</file>
+        <file>images/exit.png</file>
+        <file>images/gyachi.png</file>
+        <file>images/load.png</file>
+        <file>images/right.png</file>
+        <file>images/redo.png</file>
+        <file>images/palette_brush.png</file>
+        <file>images/playerbg.jpg</file>
+        <file>images/yy.png</file>
+        <file>images/pic1.jpg</file>
+        <file>images/pic2.jpg</file>
+        <file>images/pic.jpg</file>
+        <file>images/note.png</file>
+        <file>images/explore.png</file>
+        <file>images/img.png</file>
+    </qresource>
+</RCC>

chitchat/images/Olive_Tree_Branch_clip_art.svg

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