471 lines
16 KiB
C++
471 lines
16 KiB
C++
#include "mainwidget.h"
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#include "ui_mainwidget.h"
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MainWidget::MainWidget(QString username,QWidget *parent) :
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QWidget(parent),
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ui(new Ui::MainWidget)
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{
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ui->setupUi(this);
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this->setFixedSize(this->width(), this->height());
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this->setWindowIcon(QIcon(":/icon.png"));
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this->setWindowTitle(QString("TCP聊天室：%1").arg(username));
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this->setAttribute(Qt::WA_StyledBackground);
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ui->name_list->setEditTriggers(QAbstractItemView::NoEditTriggers); //不允许编辑
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//ui->name_list->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
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ui->name_list->verticalScrollBar()->setStyleSheet("QScrollBar{width:16px;}");
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ui->textEdit->setReadOnly(true);
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ui->textEdit->setFocusPolicy(Qt::NoFocus);
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//防止QTextBrowser中的内容被重定向
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ui->textEdit->setOpenLinks(false);
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ui->textEdit->setOpenExternalLinks(false);
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connect(ui->textEdit, &QTextBrowser::anchorClicked, this, [=](const QUrl &link)
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{
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auto path = link.path();
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path.remove(0, 1);
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qDebug() << path;
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QFileInfo info(path);
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if(info.isDir())
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QDesktopServices::openUrl(link);
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else if(info.isFile())
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QDesktopServices::openUrl(QUrl::fromLocalFile(path));
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});
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ui->send_btn->setFocus();
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ui->send_btn->setDefault(true);
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ui->send_text->setMouseTracking(true);
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ui->send_text->setToolTip(QStringLiteral("发送文件"));
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ui->stop->setMouseTracking(true);
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ui->stop->setToolTip(QStringLiteral("注销用户"));
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ui->exit_btn->setMouseTracking(true);
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ui->exit_btn->setToolTip(QStringLiteral("退出登录"));
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ui->save_btn->setMouseTracking(true);
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ui->save_btn->setToolTip(QStringLiteral("保存聊天记录"));
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ui->msg_edit->installEventFilter(this);//设置完后自动调用其eventFilter函数
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this->username = username;
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}
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MainWidget::~MainWidget()
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{
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delete ui;
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}
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void MainWidget::on_send_text_clicked()
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{
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zoom_down(ui->send_text);
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zoom_up(ui->send_text);
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QString homePath = QDir::homePath();
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QString filePath = QFileDialog::getOpenFileName(this, tr("Open a file"), homePath, tr("All files (*.*)"), NULL, QFileDialog::DontResolveSymlinks);
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QString filename = filePath.section("/", -1);
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if (filename.isEmpty())
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return;
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QMessageBox::StandardButton reply;
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reply = QMessageBox::question(this, "发送文件", tr("Do you want to send \"%1\"?").arg(filename));
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if (reply == QMessageBox::No)
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return;
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else
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{
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QString text = ui->msg_edit->text();
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if(text.isEmpty()) //群发
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{
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QString currentTime = QTime::currentTime().toString("H:mm A");
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QString html = "<a href=\"file:///" + filePath + "\">" + filename + "</a>";
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qDebug() << html;
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ui->textEdit->append("<p><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] send a file \"" + html + "\"</b></font></p>");
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this->sendFile(filePath,filename);
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}
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else //私发文件
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{
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ui->msg_edit->clear();
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int n = text.indexOf(' ');
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QString name = text.mid(1,n-1);
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if(username == name)
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{
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QMessageBox::critical(this,"错误","不能自己给自己发送文件！");
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return;
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}
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int index = 0;
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for (int i = 0; i < ui->name_list->count(); i++)
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{
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if(name != ui->name_list->item(index)->text())
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index++;
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}
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if(index >= ui->name_list->count())
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{
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QMessageBox::critical(this,"错误","未找到指定用户！");
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return;
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}
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else
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{
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QString currentTime = QTime::currentTime().toString("H:mm A");
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QString html = "<a href=\"file:///" + filePath + "\">" + filename + "</a>";
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qDebug() << html;
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ui->textEdit->append("<p><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] send " + name + " a private file \"" + html + "\"</b></font><p>");
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this->sendFile(filePath,filename,name);
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}
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}
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}
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}
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void MainWidget::on_save_btn_clicked()
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{
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zoom_down(ui->save_btn);
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zoom_up(ui->save_btn);
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QFile file("./ChatRecord/memory.txt");
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if (file.exists()) //文件存在
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{
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QMessageBox::StandardButton reply;
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reply = QMessageBox::question(this, "提示", tr("是否覆盖之前的聊天记录？"));
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if (reply == QMessageBox::No)
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{
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if (file.open(QIODevice::WriteOnly | QIODevice::Append))
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{
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QTextStream stream(&file);
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//转换为字符串
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QString str = ui->textEdit->toPlainText();
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QString date = QDate::currentDate().toString("yyyy-MM-dd ");
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QString currentTime = QTime::currentTime().toString("H:mm A\n");
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str = "\n\n" + date + currentTime + str;
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//加入时间戳并写入
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stream << str;
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//关闭文件
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file.close();
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QMessageBox::information(this,"保存聊天记录","保存成功！");
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}
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}
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else
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{
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if (file.open(QIODevice::WriteOnly | QIODevice::Text))
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{
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QTextStream stream(&file);
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//转换为字符串
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QString str = ui->textEdit->toPlainText();
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QString date = QDate::currentDate().toString("yyyy-MM-dd ");
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QString currentTime = QTime::currentTime().toString("H:mm A\n");
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str = date + currentTime + str + "\n";
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stream << str;
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//关闭文件
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file.close();
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QMessageBox::information(this,"保存聊天记录","保存成功！");
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}
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}
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}
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else
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{
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QMessageBox::warning(this, "提示", tr("聊天记录文件不存在,已为您自动创建文件！"));
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file.open(QIODevice::WriteOnly | QIODevice::Append);
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}
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}
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void MainWidget::on_send_btn_clicked()
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{
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zoom_down(ui->send_btn);
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zoom_up(ui->send_btn);
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QString text;
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text = ui->msg_edit->text();
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if(text.isEmpty())
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{
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QMessageBox::warning(this, "发送失败", "输入不能为空！");
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return;
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}
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ui->msg_edit->clear();
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if(text[0] == '@')
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{
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int n = text.indexOf(' ');
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QString to_user = text.mid(1,n-1);
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QString insert = "tell you quietly:";
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QString data_text = insert + text.mid(n,-1);
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QString text_self = QString("私发给%1:%2").arg(to_user).arg(text.mid(n));
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qDebug() << text_self;
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if(username == to_user)
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{
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QMessageBox::critical(this,"错误","不能自己给自己发送文件！");
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return;
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}
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int index = 0;
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for (int i = 0; i < ui->name_list->count(); i++)
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{
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if(to_user != ui->name_list->item(index)->text())
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index++;
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}
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if(index >= ui->name_list->count())
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{
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QMessageBox::critical(this,"错误","未找到指定用户！");
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return;
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}
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else
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{
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QString currentTime = QTime::currentTime().toString("H:m A");
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ui->textEdit->append("<p><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] </b> " + text_self + "</font></p>");
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emit send_to_user(username,to_user,data_text);
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}
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}
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else
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{
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QString currentTime = QTime::currentTime().toString("H:m A");
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ui->textEdit->append("<p><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] :</b> " + text + "</font></p>");
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emit send_text(username,text);
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}
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}
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void MainWidget::on_name_list_itemDoubleClicked(QListWidgetItem *item)
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{
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QString client_name = ui->name_list->currentItem()->text();
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QString a = "@";
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a = a + client_name + " ";
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ui->msg_edit->clear();
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ui->msg_edit->setText(a);
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}
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void MainWidget::on_exit_btn_clicked()
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{
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zoom_down(ui->exit_btn);
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zoom_up(ui->exit_btn);
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QMessageBox::StandardButton response;
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response = QMessageBox::question(this, "退出", tr("是否退出软件？"));
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if(response == QMessageBox::Yes)
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{
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//emit exit_client();
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//emit update_namelist(username);
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this->close();
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}
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else
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{
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return;
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}
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}
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void MainWidget::on_stop_clicked()
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{
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zoom_down(ui->stop);
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zoom_up(ui->stop);
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QMessageBox::StandardButton response;
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response = QMessageBox::question(this, "注销", tr("是否退出软件并注销账户？"));
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if(response == QMessageBox::Yes)
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{
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qDebug() << "点击注销账户按钮";
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//emit exit_client();
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emit account_cancellation(username);
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this->close();
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}
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else
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{
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return;
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}
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}
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void MainWidget::update_text(QString sendname,QString data)
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{
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QString currentTime = QTime::currentTime().toString("H:m A");
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ui->textEdit->append("<p>" + sendname + " [" + currentTime + "] : " + data + "</p>");
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qDebug() << sendname + " [" + currentTime + "] : " + data;
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}
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void MainWidget::update_file(QString sendname,QString filename,QString file_data)
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{
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readFile(filename,QByteArray::fromHex(file_data.toUtf8()));
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QString currentTime = QTime::currentTime().toString("H:m A");
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QString html = "<a href=\"file:///./Document/" + filename + "\">" + filename + "</a>";
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QString msg = "<p>" + username + " [" + currentTime + "] : " + QString("收到了一个来自%1的群发文件:").arg(sendname) + html + "</p>";
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ui->textEdit->append(msg);
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qDebug() << msg;
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}
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void MainWidget::update_file_private(QString sendname,QString filename,QString file_data)
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{
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readFile(filename,QByteArray::fromHex(file_data.toUtf8()));
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QString currentTime = QTime::currentTime().toString("H:m A");
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QString html = "<a href=\"file:///./Document/" + filename + "\">" + filename + "</a>";
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QString msg = "<p>" + username + " [" + currentTime + "] : " + QString("收到了一个来自%1的私发文件:").arg(sendname) + html + "</p>";
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ui->textEdit->append(msg);
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qDebug() << msg;
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}
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/*
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void MainWidget::update_file(QString sendname,QString filename,QString file_data)
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{
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QMessageBox::StandardButton response;
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QString content = QString("你收到了一个来自%1的群发文件%2,是否接收？").arg(sendname).arg(filename);
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response = QMessageBox::question(this,"提示",content);
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if(response == QMessageBox::Yes)
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{
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readFile(filename,file_data.toUtf8());
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QString currentTime = QTime::currentTime().toString("H:m A");
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ui->textEdit->append(QString(username + " [" + currentTime + "] : "
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+ "收到了一个来自%1的群发文件%2").arg(sendname).arg(filename));
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}
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else
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{
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QMessageBox::information(this,"接收文件","未接收该文件！");
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}
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}
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void MainWidget::update_file_private(QString sendname,QString filename,QString file_data)
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{
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QMessageBox::StandardButton response;
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QString content = QString("你收到了%1私发给你的文件%2,是否接收？").arg(sendname).arg(filename);
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response = QMessageBox::question(this,"提示",content);
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if(response == QMessageBox::Yes)
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{
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readFile(filename,file_data.toUtf8());
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QString currentTime = QTime::currentTime().toString("H:m A");
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ui->textEdit->append(QString(username + " [" + currentTime + "] :"
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+ "收到了一个来自%1的私发文件%2").arg(sendname).arg(filename));
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}
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else
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{
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QMessageBox::information(this,"消息","未接收该文件！");
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}
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}
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*/
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void MainWidget::update_users(int count,QList<QString>online_users)
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{
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ui->name_list->clear();
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QList<QString>::iterator it = online_users.begin();
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for(; it!=online_users.end(); ++it)
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{
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ui->name_list->addItem(*it);
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}
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for(int i=0;i<ui->name_list->count();i++)
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{
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ui->name_list->item(i)->setIcon(QIcon(":/user_label.png"));
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}
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}
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void MainWidget::disconnect_form_server()
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{
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QMessageBox::critical(this,"连接超时","请检查您的网络连接！");
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}
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void MainWidget::sendFile(QString filePath,QString filename,QString name)
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{
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//发送的数据存入block中
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QByteArray block;
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QFile file(filePath);
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//打开文件，定义错误提醒
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if(!file.open(QIODevice::ReadOnly)){
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QMessageBox::warning(this,"错误","无法打开文件！");
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return;
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}
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/*打开文件流，以写的方式打开
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QDataStream out(&block,QIODevice::WriteOnly);
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out.setVersion(QDataStream::Qt_5_8);*/
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//将数据读取到QByteArray
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QByteArray dataOfFile = file.readAll();
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//关闭文件
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file.close();
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if(name.isEmpty()) //群发文件
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{
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emit send_file_to_all(username,filename,dataOfFile);
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}
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else //私发文件
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{
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emit send_file_private(username,filename,dataOfFile,name);
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}
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QProgressDialog *progressDlg = new QProgressDialog(this);
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progressDlg->setWindowModality(Qt::WindowModal);
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progressDlg->setMinimumDuration(0);
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progressDlg->setAttribute(Qt::WA_DeleteOnClose, true);
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progressDlg->setWindowTitle(tr("上传文件"));
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progressDlg->setLabelText(tr("正在上传......"));
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progressDlg->setCancelButtonText(tr("取消"));
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progressDlg->setRange(0, 12000);
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for (int i = 1; i < 12000; i++)
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{
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progressDlg->setValue(i);
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if (progressDlg->wasCanceled())
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{
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break;
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}
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}
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progressDlg->close();
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QMessageBox::information(this,"发送文件","发送成功！");
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}
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void MainWidget::readFile(QString filename,QByteArray data)
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{
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/*QString homePath = QDir::homePath();
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QString filePath = QFileDialog::getExistingDirectory(this，tr("Open Directory"),homePath,
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QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);*/
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QString filepath = "./Document";
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QDir dir(filepath);
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if(dir.exists())
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{
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QFile outFile(filepath + "/" +filename);
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if(!outFile.open(QIODevice::WriteOnly)){
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QMessageBox::warning(this,"错误","接收文件出错！");
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return;
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}
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outFile.write(data);
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outFile.close();
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}
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else
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{
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dir.mkdir(filepath);
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QFile outFile(filepath + "/" +filename);
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if(!outFile.open(QIODevice::WriteOnly)){
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QMessageBox::warning(this,"错误","接收文件出错！");
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return;
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}
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outFile.write(data);
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outFile.close();
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}
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}
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bool MainWidget::eventFilter(QObject *target, QEvent *event)
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{
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if(target == ui->msg_edit) //可替换
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{
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if(event->type() == QEvent::KeyPress)//回车键
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{
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QKeyEvent *k = static_cast<QKeyEvent *>(event);
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if(k->key() == Qt::Key_Return || k->key() == Qt::Key_Enter)
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{
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on_send_btn_clicked(); //替换为需要响应的函数事件，以这里的按钮为例
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return true;
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}
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}
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}
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return QWidget::eventFilter(target,event);
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}
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void MainWidget::zoom_down(QPushButton* btn)
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{
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QPropertyAnimation *animalton = new QPropertyAnimation(btn,"geometry");
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animalton->setDuration(150);
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animalton->setStartValue(QRect(btn->x(),btn->y(),btn->width(),btn->height()));
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animalton->setEndValue(QRect(btn->x(),btn->y()+5,btn->width(),btn->height()));
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animalton->setEasingCurve(QEasingCurve::OutBounce);
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animalton->start();
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}
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void MainWidget::zoom_up(QPushButton* btn)
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{
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QPropertyAnimation *animalton = new QPropertyAnimation(btn,"geometry");
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animalton->setDuration(150);
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animalton->setStartValue(QRect(btn->x(),btn->y()+5,btn->width(),btn->height()));
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animalton->setEndValue(QRect(btn->x(),btn->y(),btn->width(),btn->height()));
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animalton->setEasingCurve(QEasingCurve::OutBounce);
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animalton->start();
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}
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