智能家居系统：模式切换更新 Lights 页面数据

#include 'userswidget.h' #include 'ui_userswidget.h' #include 'sqlite.h' #include 'lights.h' #include 'aircondition.h' #include 'curtains.h' #include 'humidiffer.h' #include 'information.h' #include 'procession.h' #include 'QCloseEvent' #include 'QComboBox' #include 'QMessageBox'

UsersWidget::UsersWidget(int userid,QWidget *parent) : QWidget(parent), ui(new Ui::UsersWidget) { ui->setupUi(this); displayUsersWidget(); connect(ui->lights,&QToolButton::clicked,this,[=]{ Lights *w = new Lights(userid); connect(this, &UsersWidget::modeChanged, w, &Lights::updateMode); w->show();}); connect(ui->air_condition,&QToolButton::clicked,this,[=]{ AirCondition *w = new AirCondition(userid); w->show();}); connect(ui->curtains,&QToolButton::clicked,this,[=]{ Curtains *w = new Curtains(userid); w->show();}); connect(ui->humidifiers,&QToolButton::clicked,this,[=]{ Humidiffer *w = new Humidiffer(userid); w->show();}); connect(ui->tables,&QToolButton::clicked,this,[=]{ Information *w = new Information; w->show();}); connect(ui->wifi,&QToolButton::clicked,this,[=]{ Procession *w = new Procession; w->show();}); connect(ui->mode, QOverload::of(&QComboBox::currentIndexChanged), this, &UsersWidget::on_modeComboBox_currentIndexChanged);

}

UsersWidget::~UsersWidget() { delete ui; }

void UsersWidget::displayUsersWidget() { setWindowTitle('智能家居总览图'); setFixedSize(900,600);

}

void UsersWidget::on_modeComboBox_currentIndexChanged(int mode) { switch (mode) { case 1: { updateSmartHomeStatus(userid, '智能灯', '开启', '20'); updateSmartHomeStatus(userid, '空调', '开启', '27'); updateSmartHomeStatus(userid, '加湿器', '开启', '50'); updateSmartHomeStatus(userid, '窗帘', '开启', '100'); emit modeChanged('模式1'); break; } case 2: { updateSmartHomeStatus(userid, '智能灯', '开启', '20'); updateSmartHomeStatus(userid, '空调', '开启', '27'); updateSmartHomeStatus(userid, '加湿器', '开启', '50'); updateSmartHomeStatus(userid, '窗帘', '开启', '100'); emit modeChanged('模式2'); break; } case 3: { updateSmartHomeStatus(userid, '智能灯', '开启', '50'); updateSmartHomeStatus(userid, '空调', '开启', '26'); updateSmartHomeStatus(userid, '加湿器', '开启', '40'); updateSmartHomeStatus(userid, '窗帘', '开启', '30'); emit modeChanged('模式3'); break; } default:;

}

}

void UsersWidget::closeEvent(QCloseEvent *e) { if(e->spontaneous()) { //窗口关闭时弹出的提示窗口 QMessageBox::StandardButton reply;

    reply = QMessageBox::information(this,'提示','确认退出智能管家系统？',QMessageBox::Yes|QMessageBox::No);
    if(reply == QMessageBox::Yes){
        //若用户点击确认，则接收这个事件,当前窗口会关闭
        e->accept();
     }else{
        //若用户点击取消，则忽略这个事件，当前窗口不会关闭
        e->ignore();
    }
}

}

#include 'lights.h' #include 'ui_lights.h' #include 'switchform.h' #include 'sqlite.h' #include #include #include #include #include

Lights::Lights(int userid,QWidget *parent) : QWidget(parent), ui(new Ui::Lights), userid(userid)//保证userid无变化 { ui->setupUi(this); lightsWidget(); //连接开关组件的信号和自定义的槽函数 connect(ui->SwitchStatus,&SwitchForm::statusChanged,this,&Lights::switchButton_status);

// 连接完成按钮的clicked信号和自定义的槽函数
connect(ui->Finished, &QPushButton::clicked, this,[=]{
    if(ui->SwitchStatus->checked())
    {
        QString brighteness = QString::number(ui->ctrlform->getValue());
        qDebug()<<brighteness<<userid;