Qt/QT_Assistant/set/set.cpp

#include "set.h"
#include "ui_set.h"

set::set(QWidget *parent)
    : QMainWindow(parent,Qt::Widget | Qt::WindowStaysOnTopHint)
    , ui(new Ui::set)
{
    ui->setupUi(this);
    layout_init();
    m_realLoad=false;
    m_windowShow=false;
    m_engine=new QQmlApplicationEngine;

    cmd = new QProcess(this);
    cmd_stop = new QProcess(this);

    /* 连接信号槽 */
        connect(cmd , SIGNAL(readyReadStandardOutput()) , this , SLOT(readoutput()));
        connect(cmd , SIGNAL(readyReadStandardError()) , this , SLOT(readerror()));
}

set::~set()
{
    delete ui;
    cmd_stop->close();
    cmd_stop->waitForFinished();
}
void set::layout_init()
{
    /*初始化按键*/
    switchButton = new SwitchButton(this);
    switchButton->setMaximumSize(60, 30);
    switchButton->setMinimumSize(60, 30);
    for(i=0;i<4;i++)
    {
         pushButton[i] =new QPushButton(this);
         pushButton[i]->setMaximumSize(40, 40);
         pushButton[i]->setMaximumSize(40, 40);
         pushButton[i]->setStyleSheet("QPushButton{border-image: url(:/image/images/next2.png); "
                                      "background-position:center;border:none}QPushButton:hover{border-image: url(:/image/images/next.png);}");
    }
    /*初始化图案*/
    for(i=0;i<5;i++)
    {
         label[i] =new QLabel(this);
         label[i]->setMaximumSize(40, 40);
         label[i]->setMaximumSize(40, 40);
    }

    /*按键布局*/
    pushButton[0]->setGeometry(680,35,40,40);
    pushButton[1]->setGeometry(680,125,40,40);
    pushButton[2]->setGeometry(680,216,40,40);
    pushButton[3]->setGeometry(680,310,40,40);
    switchButton->setGeometry(660,410,30,30);
  /*图案布局*/
    label[0]->setStyleSheet("QLabel{border-image: url(:/image/images/iphone.png);}");
    label[0]->setGeometry(50,30,40,40);
    label[1]->setStyleSheet("QLabel{border-image: url(:/image/images/wifi1.png);}");
    label[1]->setGeometry(50,125,40,40);
    label[2]->setStyleSheet("QLabel{border-image: url(:/image/images/Bluetooth.png);}");
    label[2]->setGeometry(50,216,40,40);
    label[3]->setStyleSheet("QLabel{border-image: url(:/image/images/hot3.png);}");
    label[3]->setGeometry(50,310,40,40);
    label[4]->setStyleSheet("QLabel{border-image: url(:/image/images/monitoring.png);}");
    label[4]->setGeometry(50,408,40,40);

    /* 连接信号槽 */
     connect(switchButton,
             SIGNAL(toggled(bool)),
             this,
             SLOT(switchButtonClicked(bool)));

}
//设置按钮图标，按钮的默认大小是 30*30，可以自己指定
void set::setButtonImage(QPushButton *button, QString image)
{
    button->setText("");
    QPixmap pixmap(image);
    QPixmap fitpixmap = pixmap.scaled(30, 30, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
    button->setIcon(QIcon(fitpixmap));
    button->setIconSize(QSize(30, 30));
    button->setFlat(true);
    button->setStyleSheet("border: 0px"); //消除边框
}
/*我的设备*/
void set::on_pushButton_2_clicked()
{
    device = new mydevice();
    device->setGeometry(0,0,800,480);
    device->show();
}
/*wifi*/
void set::on_pushButton_3_clicked()
{
    if(m_windowShow){
           return;
       }
       if(m_realLoad){
           qDebug()<<"开启";
           return;
       }
    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    qmlRegisterType<wirelessListModel>("wirelessModel", 1, 0, "WirelessListModel");    QQmlApplicationEngine engine;
    m_engine->rootContext()->setContextProperty("WINenv", false);
    m_engine->load(QUrl(QStringLiteral("qrc:/main.qml")));
    if (m_engine->rootObjects().isEmpty())
        {
        qDebug()<<"load errpr";
    }

}
/* 当点开关时，开启视频监控*/
void set::switchButtonClicked(bool checked)
{
    if(checked==true)
    {
         qDebug()<<"监控已打开"<<endl;
         cmd->start("bash"); //启动终端(Windows下改为cmd)
         cmd->waitForStarted(); //等待启动完成
         cmd->write("ffmpeg -f v4l2 -video_size 320x240 -framerate 15 -i /dev/video1 -q 10 -f flv -an  rtmp://120.79.100.106:1935/live/romm\n"); //向终端写入“ls”命令，注意尾部的“\n”不可省略
    }
    else
    {
        cmd_stop->start("bash");
        cmd_stop->waitForStarted(); //等待启动完成
        cmd_stop->write("killall ffmpeg\n");
        cmd->close();
        cmd->waitForFinished();
        qDebug()<<"监控已关闭"<<endl;
    }
}
void set::readoutput()
{
    qDebug()<<cmd->readAllStandardOutput().data()<<endl;
}
void set::readerror()
{
    qDebug()<<cmd->readAllStandardError().data()<<endl;
}