chat.cpp

#include "chat.h"
#include "ui_chat.h"
#include<QDesktopWidget>
Chat::Chat(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Chat)
{
    ui->setupUi(this);
    setWindowFlags(Qt::FramelessWindowHint);
    setAttribute(Qt::WA_TranslucentBackground);
    ui->label_4->installEventFilter(this);
    ui->label_5->installEventFilter(this);
    QFile file(":/myqss/scrollbar.qss");
    file.open(QFile::ReadOnly);
    ui->textBrowser->verticalScrollBar()->setStyleSheet(file.readAll());
    ui->label_8->installEventFilter(this);
    move((QApplication::desktop()->width() - width())/2,(QApplication::desktop()->height() - height()-20)/2);
    emotion=new Emotion();
    connect(emotion,SIGNAL(imgurl(QString)),this,SLOT(sendemotion(QString)));
}

Chat::~Chat()
{
    delete ui;
}
void Chat::mousePressEvent(QMouseEvent *event)
{
    if(event->button() == Qt::LeftButton)
     {
         this->setMouseTracking(true);
          mouse_press = true;
          //鼠标相对于窗体的位置（或者使用event->globalPos() - this->pos()）
          move_point = event->pos();
          qDebug()<<"移动1";
          qDebug()<<event->source();
     }

}

void Chat::mouseReleaseEvent(QMouseEvent *event)
{
    //设置鼠标为未被按下
        mouse_press = false;

}

void Chat::mouseMoveEvent(QMouseEvent *event)
{
    //若鼠标左键被按下
  //  qDebug()<<"mouse_press="<<event->globalPos();
        if(mouse_press)
        {

            //鼠标相对于屏幕的位置
            QPoint move_pos = event->globalPos();
           //移动主窗体位置
           this->move(move_pos - move_point);
        }
}

bool Chat::eventFilter(QObject *object, QEvent *e)
{
    if(e->type()==QEvent::MouseButtonPress&&object==ui->label_5)
    {
         close();
    }
    else if(e->type()==QEvent::MouseButtonPress&&object==ui->label_4){
        showMinimized();
        qDebug()<<"最小化";
        qDebug()<<mouse_press;

    }
    //表情发送
    else if(e->type()==QEvent::MouseButtonPress&&object==ui->label_8){

        qDebug()<<ui->label_8->x();
        qDebug()<<x();
        emotion->move(x()-10,ui->label_8->y()-100);
        emotion->show();

    }
    return false;
}
void Chat::showEvent(QShowEvent *event)
{
     qDebug()<<"出现了";
     mouse_press=false;
     qDebug()<<mouse_press;
}

void Chat::on_pushButton_2_clicked()
{
    QString content=ui->textEdit->toPlainText();
    qDebug()<<content.length();
    if(content.length()>=23){
        qDebug()<<"进入了这个";
      QString s1="<img width='30' height='30' src='qrc:/10.jpeg' style='float:right;margin-left:15px;margin-right:15px;'><div style='background:rgb(205,215,226);padding-top:8px;float:right;margin-top:10px;margin-right:45px;padding:10px;margin-left:60px;'><span style='font-size:15px;font-family:'Microsoft YaHei';margin-top:2px;'>"+content+"</span></div><br><br><br>";
     ui->textBrowser->insertHtml(s1);
    }
    else{
        int flag=60+(24-content.length())*15;
        QString myflag=QString::number(flag, 10);;
        qDebug()<<myflag;
        QString s1="<img width='30' height='30' src='qrc:/10.jpeg' style='float:right;margin-left:15px;margin-right:15px;'><div style='background:rgb(205,215,226);padding-top:8px;float:right;margin-top:10px;margin-right:45px;padding:10px;margin-left:"+myflag+"px;'>";
        s1+="<span style='font-size:15px;font-family:'Microsoft YaHei';margin-top:2px;'>"+content+"</span></div><br><br><br>";
        qDebug()<<s1;
       ui->textBrowser->insertHtml(s1);
    }
    //ui->textEdit->clear();
}
void Chat::sendemotion(QString s)
{
    qDebug()<<"选择了发送表情";
    QString s1="<img width='30' height='30' src='qrc:/10.jpeg' style='float:right;margin-left:15px;margin-right:15px;'><div style='background:rgb(205,215,226);padding-top:8px;float:right;margin-top:10px;margin-right:45px;padding:10px;margin-left:387px;'><img src='"+s+"'></div><br><br><br>";
    ui->textBrowser->insertHtml(s1);
}