qt/LedOK/devicepanel.cpp

#include "devicepanel.h"
#include "globaldefine.h"
#include "gutil/qgui.h"
#include "gutil/qnetwork.h"
#include "deviceitem.h"
#include "device/ctrlbrightpanel.h"
#include "device/ctrlpowerpanel.h"
#include "device/ctrlnetworkpanel.h"
#include "device/ctrlverifyclockpanel.h"
#include "device/ctrlhdmipanel.h"
#include "device/ctrlvolumepanel.h"
#include "device/ctrlpwdpanel.h"
#include "device/ctrladvancedpanel.h"
#include "device/ctrltestpanel.h"
#include <QAction>
#include <QNetworkDatagram>
#include <QNetworkInterface>
#include <QMessageBox>
#include <QJsonArray>
#include <QStyledItemDelegate>
#include <QToolButton>
#include <QPainter>

DevicePanel *gDevicePanel;
QTextEdit *gFdResInfo;

void setCard(LedCard &card, const QString &addr, const QJsonDocument &json) {
    if(! addr.isEmpty()) card.ip = addr;
    else {
        card.ip = json["newIp"].toString();
        if(card.ip.isEmpty()) card.ip = json["ip"].toString();
    }
    if(card.mWidth==0) card.mWidth = json["width"].toInt();
    if(card.mHeight==0) card.mHeight = json["height"].toInt();
    card.androidVersion = json["androidVersion"].toString();
}
DevicePanel::DevicePanel(QSettings &settings, QWidget *parent) : QWidget(parent) {
    gDevicePanel = this;
    setAutoFillBackground(true);
    QPalette pal;
    pal.setBrush(QPalette::Window, QColor(0xeeeeee));
    setPalette(pal);

    auto vBox = new VBox(this);
    vBox->setContentsMargins(0, 0, 0, 0);
    vBox->setSpacing(0);

    auto hBox = new HBox(vBox);
    hBox->setContentsMargins(6, 2, 6, 2);
    hBox->setSpacing(2);

    auto label = new QLabel();
    label->setPixmap({":/res/DeviceNum_All.png"});
    label->setScaledContents(true);
    label->setFixedSize(33, 24);
    hBox->addWidget(label);

    label_3 = new QLabel(tr("All"));
    hBox->addWidget(label_3);

    nDeviceNum = new QLabel;
    nDeviceNum->setFixedSize(40, 20);
    hBox->addWidget(nDeviceNum);

    auto fdSearch = new QLineEdit;
    fdSearch->setClearButtonEnabled(true);
    fdSearch->setFixedSize(220, 30);
    fdSearch->addAction(new QAction(QIcon(":/res/program/bnSearch.png"), QString()), QLineEdit::LeadingPosition);
    fdSearch->setStyleSheet("border: 1px solid #aaaaaa;");
    connect(fdSearch, &QLineEdit::textChanged, this, [=](const QString &text) {
        auto cnt = mDeviceTable->topLevelItemCount();
        int sel = 0, unsel = 0;
        for(int i=0; i<cnt; i++) {
            auto item = mDeviceTable->item(i);
            item->setHidden(! (text.isEmpty() || item->text("id").contains(text) || item->text("alias").contains(text) || item->text("ip").contains(text)));
            if(item->isHidden()) item->setCheckState("check", Qt::Unchecked);
            else (item->checkState("check")==Qt::Checked ? sel : unsel)++;
            mDeviceTable->fdCheckAll->blockSignals(true);
            mDeviceTable->fdCheckAll->setCheckState(sel==0 ? Qt::Unchecked : unsel ?  Qt::PartiallyChecked : Qt::Checked);
            mDeviceTable->fdCheckAll->blockSignals(false);
            emit mDeviceTable->selChanged();
        }
    });
    hBox->addWidget(fdSearch);

    hBox->addSpacing(10);

    fdCardNumInfo = new QLabel(tr("Current Screen")+": "+tr("none"));
    fdCardNumInfo->setStyleSheet("QLabel{color: #15f;}");
    fdCardNumInfo->hide();
    hBox->addWidget(fdCardNumInfo);

    hBox->addStretch();

    auto areaFlash = new QWidget();
    areaFlash->setFixedSize(100, 34);

    bnSpecifyIP = new QComboBox(areaFlash);
    bnSpecifyIP->addItem(tr("Specify IP"));
    bnSpecifyIP->setGeometry(0, 0, areaFlash->width(), areaFlash->height());
    bnSpecifyIP->setItemDelegate(new QStyledItemDelegate);
    connect(bnSpecifyIP, &QComboBox::textActivated, this, [this] {
        mUdpTimer.stop();
        specifyIPDlg->exec();
        mUdpTimer.start(30000);
 });
    bnSpecifyIP->setStyleSheet(R"rrr(
QComboBox {
    border: none;
    border-radius: 5px;
    background-color: #19c;
}
QComboBox:hover {background-color: #08b;}
QComboBox::drop-down {width: 25px;}
QComboBox::down-arrow {image: url(:/res/FlashArrow.png);}
QComboBox QAbstractItemView::item {
    height: 28px;
    color: #fff;
}
QComboBox QAbstractItemView::item:selected {background-color: #09c;}
)rrr");

    btnRefresh = new QPushButton(tr("Refresh"), areaFlash);
    btnRefresh->setGeometry(0, 0, 75, areaFlash->height());
    connect(btnRefresh, &QPushButton::clicked, this, [this] {
        mDeviceTable->clear();
        mDeviceTable->fdCheckAll->setCheckState(Qt::Unchecked);
        nDeviceNum->setText("0");
        sendGetInfo();
    });
    btnRefresh->setStyleSheet(R"rrr(
QPushButton {
    border-radius: 5px;
    background-color: #19c;
    color: #fff;
}
QPushButton:hover {background-color: #08b;}
)rrr");

    hBox->addWidget(areaFlash);

    mHBox = new HBox(vBox);

    auto table = new LoQTreeWidget;
    table->addCol("#", "", 20);
    table->addCol("check", "", 28).margin(2);
    table->addCol("id", "ID", 130, QHeaderView::Stretch).alignC();
    table->addCol("online", "", 40);
    table->addCol("ip", "IP", 130, QHeaderView::Stretch).alignC();
    table->addCol("screenSize", "", 100, QHeaderView::Stretch).alignC();
    table->addCol("alias", "", 130, QHeaderView::Stretch).alignC();
    table->addCol("brightness", "", 80).alignC();
    table->addCol("power", "", 80).alignC();
    table->addCol("password", "", 72);
    table->addCol("info", "", 72);
    table->addCol("screenshot", "", 72);
    table->setDefs()->setHeaderAlignC();
    table->addFd();
    table->setSelectionMode(QAbstractItemView::NoSelection);
    table->minRowHeight = 36;
    table->setSortingEnabled(true);

    table->hideColumn("check");
    table->fdCheckAll->hide();
    table->sortItems("id", Qt::AscendingOrder);
    connect(table, &LoQTreeWidget::selChanged, table, [=] {
        gSelCards.clear();
        int cnt = table->topLevelItemCount();
        for(int i=0; i<cnt; i++) if(table->item(i)->checkState("check") == Qt::Checked) gSelCards.append(static_cast<DeviceItem*>(table->topLevelItem(i))->mCard);
        emit sigSelectedDeviceList();
    });
    mHBox->addWidget(mDeviceTable = table);

    connect(&mUdpTimer, &QTimer::timeout, this, &DevicePanel::sendGetInfo);
    connect(&mUdpSocket, &QUdpSocket::readyRead, this, [this] {
        while(mUdpSocket.hasPendingDatagrams()) {
            auto gram = mUdpSocket.receiveDatagram();
            auto data = gram.data();
            if(data.isEmpty()) continue;
            auto senderAddress = gram.senderAddress();
            bool ok = true;
            if(senderAddress.protocol()==QUdpSocket::IPv6Protocol) senderAddress.setAddress(senderAddress.toIPv4Address(&ok));
            auto addr = ok ? senderAddress.toString() : "";
            DeviceItem *item;
            if(data.startsWith("{\"")) {
                QJsonParseError error;
                QJsonDocument json = QJsonDocument::fromJson(gram.data(), &error);
                if(error.error != QJsonParseError::NoError) {
                    qDebug()<<"DeviceItem OnProHttpResponse 解析json文件错误！";
                    continue;
                }
                auto cardId = json["cardId"].toString();
                int cnt = mDeviceTable->topLevelItemCount();
                for(int i=0; i<cnt; i++) if((item = (DeviceItem *)mDeviceTable->topLevelItem(i))->mCard.id==cardId) {
                    item->mCard.isOnline = true;
                    setCard(item->mCard, addr, json);
                    item->init();
                    goto end;
                }
                item = new DeviceItem(mDeviceTable);
                item->mCard.id = cardId;
                setCard(item->mCard, addr, json);
            } else {
                auto bytes = gram.data();
                auto packet = (UDPPacket *)bytes.data();
                int cnt = mDeviceTable->topLevelItemCount();
                for(int i=0; i<cnt; i++) if((item = (DeviceItem *)mDeviceTable->topLevelItem(i))->mCard.id==packet->serialCode) {
                    item->mCard.isOnline = true;
                    item->mCard.ip = addr;
                    item->init();
                    goto end;
                }
                item = new DeviceItem(mDeviceTable);
                item->mCard.id = packet->serialCode;
                item->mCard.ip = addr;
            }
            item->init();
            {
                auto btn = new QPushButton;
                btn->setCursor(QCursor(Qt::PointingHandCursor));
                btn->setIcon(QIcon(":/res/info.png"));
                btn->setIconSize({26, 26});
                item->setCellWidget("info", btn);
                connect(btn, &QPushButton::clicked, btn, [=] {
                    QString msgpre;
                    msgpre.append(tr("Current Brightness")).append(": ").append(QString::number(item->mCard.bright)).append("%").append("\n");
                    msgpre.append(tr("Brightness Level")).append(": ").append(QString::number(item->mCard.BrightnessLevel)).append("\n");
                    msgpre.append(tr("Android OS Resolution")).append(": ").append(item->mCard.ScreenResolution).append("\n");
                    msgpre.append(tr("Android Version")).append(": ").append(item->mCard.androidVersion).append("\n");
                    msgpre.append(tr("FPGA Version")).append(": ").append(item->mCard.HardVersion).append("\n");
                    msgpre.append(tr("Firmware Version")).append(": ").append(item->mCard.FirmwareVersion).append("\n");
                    msgpre.append("IMEI: ").append(item->mCard.IMEI).append("\n");
                    QMessageBox msgBox(QMessageBox::Information, item->mCard.id+" "+tr("Detail Info"), msgpre + tr("Player Version")+": "+tr("Getting")+" ...");
                    QJsonObject json;
                    json.insert("_id", "CheckSoftVersions");
                    json.insert("_type", "CheckSoftVersions");
                    auto card = item->mCard;
                    auto reply = NetReq("http://"+card.ip+":2016/settings").timeout(120000).post(json);
                    ConnReply(reply, &msgBox) [=, &msgBox] {
                        QJsonDocument json;
                        QString err = checkReplyForJson(reply, &json);
                        if(! err.isEmpty()) {
                            msgBox.setText(msgpre + tr("Player Version")+": "+err);
                            return;
                        }
                        auto apps = json["apps"].toArray();
                        foreach(QJsonValue value, apps) {
                            QJsonObject app = value.toObject();
                            if(app["packageName"].toString().contains("xixunplayer")) {
                                msgBox.setText(msgpre + tr("Player Version")+": "+app["versionName"].toString());
                                return;
                            }
                        }
                        msgBox.setText(msgpre + tr("Player Version")+":");
                    });
                    msgBox.exec();
                });
            }
            init(item);
            nDeviceNum->setText(QString::number(mDeviceTable->topLevelItemCount()));
//            {
//                QJsonObject json;
//                json.insert("_id", "SyncTime");
//                json.insert("_type", "SyncTime");
//                json.insert("time", QDateTime::currentDateTime().toMSecsSinceEpoch());
//                auto reply = NetReq("http://"+item->mCard.ip+":2016/settings").timeout(60000).post(json);
//                connect(reply, &QNetworkReply::finished, reply, &QNetworkReply::deleteLater);
//            }
            end:;
        }
    });

    specifyIPDlg = new QDialog(this);
    specifyIPDlg->setWindowTitle(tr("Specify IP"));

    vBox = new VBox(specifyIPDlg);
    vBox->addStretch();

    label = new QLabel(tr("Specify IP list"));
    label->setAlignment(Qt::AlignCenter);
    vBox->addWidget(label);

    fdIP = new QTextEdit;
    auto ipstr = settings.value("SpecifyIP").toString();
    if(! ipstr.isEmpty()) fdIP->setText(ipstr);
    fdIP->setPlaceholderText("192.168.1.1\n192.168.1.2\n  ...");
    fdIP->setMinimumWidth(160);
    vBox->addWidget(fdIP);

    hBox = new HBox(vBox);
    hBox->addStretch();

    auto bnSearch = new QPushButton(tr("Search"));
    connect(bnSearch, &QPushButton::clicked, fdIP, [this] {
        QString ipsStr = fdIP->toPlainText();
        if(ipsStr.isEmpty()) {
            QMessageBox::warning(this, tr("Attention"), tr("Please input IP address!"));
            return;
        }
        auto ips = ipsStr.split("\n", Qt::SkipEmptyParts);
        if(ips.isEmpty()) {
            QMessageBox::warning(this, tr("Attention"), tr("Please input IP address!"));
            return;
        }
        QByteArray data = QJsonDocument(QJsonObject{{"action", "getInfo"}}).toJson(QJsonDocument::Compact);
        foreach(auto ip, ips) if(mUdpSocket.writeDatagram(data, QHostAddress(ip), 22222) != data.length()) qDebug() << "Specify IP write Failed." << ip;
        specifyIPDlg->accept();
    });
    hBox->addWidget(bnSearch);

    auto btnCancel = new QPushButton(tr("Cancel"));
    connect(btnCancel, &QPushButton::clicked, specifyIPDlg, &QDialog::reject);
    hBox->addWidget(btnCancel);
    hBox->addStretch();

    transUi();

    sendGetInfo();
    mUdpTimer.start(30000);
}

DevicePanel::~DevicePanel() {
    mUdpSocket.close();
    mUdpTimer.stop();
}

void DevicePanel::sendGetInfo() {
    auto data = QJsonDocument(QJsonObject{{"action", "getInfo"}}).toJson(QJsonDocument::Compact);
    uchar ccc[]{0x7E, 0x7E, 0x7E, 0x90, 0x42, 0x72, 0x6F, 0x61, 0x64, 0x63, 0x61, 0x73, 0x74, 0x21,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x1C, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x9F};
    if(mUdpSocket.writeDatagram(data, QHostAddress("255.255.255.255"), 22222) != data.length()) qDebug() << "getInfo write to 255.255.255.255 failed";
    if(mUdpSocket.writeDatagram((char *)ccc, sizeof(ccc), QHostAddress("255.255.255.255"), 31296) != sizeof(ccc)) qDebug() << "getInfo write to 255.255.255.255 failed";
    auto networkinterfaces = QNetworkInterface::allInterfaces();
    foreach(auto face, networkinterfaces) {
        auto flags = face.flags();
        bool can = (flags & QNetworkInterface::IsRunning) && (flags & QNetworkInterface::CanBroadcast) && ! (flags & QNetworkInterface::IsLoopBack);
        if(! can) continue;
        auto addrEntries = face.addressEntries();
        foreach(QNetworkAddressEntry addrEntry, addrEntries) {
            auto ip = addrEntry.ip();
            if(ip.protocol()!=QAbstractSocket::IPv4Protocol) continue;
            auto broadcast = addrEntry.broadcast();
            if(mUdpSocket.writeDatagram(data, broadcast, 22222) != data.length()) qDebug() << "getInfo write failed." << ip.toString() << "->" << broadcast.toString();
        }
    }
    auto ipstr = fdIP->toPlainText();
    if(! ipstr.isEmpty()) {
        auto ips = ipstr.split("\n", Qt::SkipEmptyParts);
        foreach(auto ip, ips) if(mUdpSocket.writeDatagram(data, QHostAddress(ip), 22222) != data.length()) qDebug() << "getInfo specify IP write failed." << ip;
    }
}

void DevicePanel::changeEvent(QEvent *event) {
    QWidget::changeEvent(event);
    if(event->type() == QEvent::LanguageChange) transUi();
}
void DevicePanel::transUi() {
    btnRefresh->setText(tr("Refresh"));
    bnSpecifyIP->setItemText(0,tr("Specify IP"));
    label_3->setText(tr("All"));

    mDeviceTable->setHeaderText("online", tr("Online"));
    mDeviceTable->setHeaderText("id", tr("Screen ID"));
    mDeviceTable->setHeaderText("screenSize", tr("Screen Size"));
    mDeviceTable->setHeaderText("alias", tr("Alias"));
    mDeviceTable->setHeaderText("brightness", tr("Screen Brightness"));
    mDeviceTable->setHeaderText("power", tr("Power Status"));
    mDeviceTable->setHeaderText("password", tr("Security"));
    mDeviceTable->setHeaderText("info", tr("More Info"));
    mDeviceTable->setHeaderText("screenshot", tr("Screenshot"));

    auto cnt = mDeviceTable->topLevelItemCount();
    for(int i=0; i<cnt; i++) {
        auto item = (DeviceItem*) mDeviceTable->item(i);
        item->setText("power", item->mCard.isScreenOn ? tr("On") : tr("Off"));
    }
    transCtrl();
}
void DevicePanel::transCtrl() {
    if(mDeviceCtrlPanel) {
        mBtnGrp->button(Setting_Bright)->setText(tr("Brightness Adj."));
        mBtnGrp->button(Setting_PowerControl)->setText(tr("Power Control"));
        mBtnGrp->button(Setting_NetCfg)->setText(tr("Net Config"));
        mBtnGrp->button(Setting_VerifyClock)->setText(tr("Time Sync"));
        mBtnGrp->button(Setting_HDMI)->setText(tr("Video source"));
        mBtnGrp->button(Setting_Encrypt)->setText(tr("Password"));
        mBtnGrp->button(Setting_Advanced)->setText(tr("Advanced"));
        mBtnGrp->button(Setting_Volume)->setText(tr("Volume Adj."));
        mBtnGrp->button(Setting_Test)->setText(tr("Test"));

        if(gSelCards.count() < 1) fdCardNumInfo->setText(tr("Current Screen")+": "+tr("none"));
        else if(gSelCards.count()==1) fdCardNumInfo->setText(tr("Current Screen")+": "+gSelCards[0].id);
        else fdCardNumInfo->setText(tr("Multi screen operation")+". "+tr("selected num")+": "+QString::number(gSelCards.count()));
        btnClear->setText(tr("Clear"));
    }
}
void DevicePanel::newCtrl() {
    mHBox->addWidget(mDeviceCtrlPanel = new QWidget);
    auto vBox = new QVBoxLayout(mDeviceCtrlPanel);
    vBox->setContentsMargins(0,0,0,0);
    vBox->setSpacing(0);

    auto hBox = new QHBoxLayout;
    hBox->setSpacing(2);

    mBtnGrp = new QButtonGroup(mDeviceCtrlPanel);
    for(int i=0; i<Setting_End; i++) {
        auto btn = new QToolButton;
        auto policy = btn->sizePolicy();
        policy.setHorizontalPolicy(QSizePolicy::Preferred);
        btn->setSizePolicy(policy);
        btn->setIconSize(QSize(48, 48));
        btn->setCheckable(true);
        btn->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
        btn->setProperty("ss", "CtrlTab");
        hBox->addWidget(btn);
        mBtnGrp->addButton(btn, i);
    }
    mBtnGrp->button(Setting_Bright)->setIcon(QIcon(":/res/bnBrightnessAdjustMent_s.png"));
    mBtnGrp->button(Setting_PowerControl)->setIcon(QIcon(":/res/bnPowerControl_s.png"));
    mBtnGrp->button(Setting_NetCfg)->setIcon(QIcon(":/res/bnNetConfig_s.png"));
    mBtnGrp->button(Setting_VerifyClock)->setIcon(QIcon(":/res/bnVerifyClock_s.png"));
    mBtnGrp->button(Setting_Encrypt)->setIcon(QIcon(":/res/encrypt.png"));
    mBtnGrp->button(Setting_HDMI)->setIcon(QIcon(":/res/Hdmi.png"));
    mBtnGrp->button(Setting_Volume)->setIcon(QIcon(":/res/volume.png"));
    mBtnGrp->button(Setting_Advanced)->setIcon(QIcon(":/res/AdvParam.png"));
    mBtnGrp->button(Setting_Test)->setIcon(QIcon(":/res/test.png"));

    connect(mBtnGrp, &QButtonGroup::idToggled, this, [this](int index, bool checked) {
        if(!checked || index==curIndex) return;
        curIndex = index;
        if(wgts[index]==0) {
            if(index==Setting_Bright) wgts[index] = new CtrlBrightPanel;
            else if(index==Setting_PowerControl) wgts[index] = new CtrlPowerPanel;
            else if(index==Setting_NetCfg) wgts[index] = new CtrlNetworkPanel;
            else if(index==Setting_VerifyClock) wgts[index] = new CtrlVerifyClockPanel;
            else if(index==Setting_Encrypt) wgts[index] = new CtrlPwdPanel;
            else if(index==Setting_HDMI) wgts[index] = new CtrlHdmiPanel;
            else if(index==Setting_Volume) wgts[index] = new CtrlVolumePanel;
            else if(index==Setting_Advanced) wgts[index] = new CtrlAdvancedPanel;
            else if(index==Setting_Test) wgts[index] = new CtrlTestPanel;
        }
        scrollArea->takeWidget();
        scrollArea->setWidget(wgts[index]);
        wgts[index]->setFocus();
    });
    vBox->addLayout(hBox);

    auto line = new QFrame;
    line->setFrameShape(QFrame::HLine);
    line->setFrameShadow(QFrame::Sunken);
    vBox->addWidget(line);

    hBox = new QHBoxLayout;

    scrollArea = new QScrollArea;
    scrollArea->setWidgetResizable(true);
    hBox->addWidget(scrollArea);

    auto vBox2 = new QVBoxLayout();

    fdInfo = new QTextEdit;
    auto ft = fdInfo->font();
    ft.setFamily("Consolas");
    fdInfo->setFont(ft);
    gFdResInfo = fdInfo;
    fdInfo->setReadOnly(true);
    fdInfo->setMaximumWidth(360);
    vBox2->addWidget(fdInfo);

    btnClear = new QPushButton(tr("Clear"));
    btnClear->setMinimumHeight(30);
    btnClear->setProperty("ssType", "progManageTool");
    connect(btnClear, &QPushButton::clicked, fdInfo, &QTextEdit::clear);
    vBox2->addWidget(btnClear);

    hBox->addLayout(vBox2);

    vBox->addLayout(hBox);

    fdInfo->hide();
    btnClear->hide();

    connect(this, &DevicePanel::sigSelectedDeviceList, fdInfo, [this] {
        if(gSelCards.count() < 2) {
            if(gSelCards.count()==1) fdCardNumInfo->setText(tr("Current Screen")+": "+gSelCards[0].id);
            else fdCardNumInfo->setText(tr("Current Screen")+": "+tr("none"));
            fdInfo->hide();
            btnClear->hide();
        } else {
            fdCardNumInfo->setText(tr("Multi screen operation")+". "+tr("selected num")+": "+QString::number(gSelCards.count()));
            fdInfo->clear();
            fdInfo->show();
            btnClear->show();
        }
    });

    mBtnGrp->button(0)->setChecked(true);

    transCtrl();
}

void DevicePanel::init(DeviceItem *item) {
    QJsonObject json;
    json.insert("_id", "GetBuildInformation");
    json.insert("_type", "GetBuildInformation");
    auto reply = NetReq("http://"+item->mCard.ip+":2016/settings").timeout(120000).post(json);
    ConnReply(reply, item) [=] {
        QJsonDocument json;
        QString err = checkReplyForJson(reply, &json);
        if(! err.isEmpty()) return;
        item->mCard.BrightnessLevel = json["BrightnessLevel"].toInt();
        item->mCard.FirmwareVersion = json["FirmwareVersion"].toString();
        item->mCard.HardVersion = json["HardVersion"].toString();
        item->mCard.ScreenResolution = json["ScreenResolution"].toString();
        item->mCard.IMEI = json["IMEI"].toString();
        auto androidVersion = json["AndroidVersion"].toString();
        if(! androidVersion.isEmpty()) item->mCard.androidVersion = androidVersion;
    });

    if(item->mCard.mWidth==0 || item->mCard.mHeight==0) {
        json = QJsonObject();
        json.insert("_id", "GetScreenSize");
        json.insert("_type", "GetScreenSize");
        reply = NetReq("http://"+item->mCard.ip+":2016/settings").timeout(120000).post(json);
        ConnReply(reply, item) [=] {
            QJsonDocument json;
            QString err = checkReplyForJson(reply, &json);
            if(! err.isEmpty()) return;
            item->mCard.mWidth = json["width"].toInt();
            item->mCard.mHeight = json["height"].toInt();
            item->setText("screenSize", QString("%1 x %2").arg(item->mCard.mWidth).arg(item->mCard.mHeight));
        });
    }

    json = QJsonObject();
    json.insert("_id", "GetBrightness");
    json.insert("_type", "GetBrightness");
    reply = NetReq("http://"+item->mCard.ip+":2016/settings").timeout(120000).post(json);
    ConnReply(reply, item) [=] {
        QJsonDocument json;
        QString err = checkReplyForJson(reply, &json);
        if(! err.isEmpty()) return;
        item->mCard.bright = json["brightnessPercentage"].toInt(-1);
        if(item->mCard.bright==-1) item->mCard.bright = qRound(json["brightness"].toInt() * 100.0 / item->mCard.BrightnessLevel);
        item->setText("brightness", QString::number(item->mCard.bright)+"%");
    });
    json = QJsonObject();
    json.insert("_id", "IsScreenOn");
    json.insert("_type", "IsScreenOn");
    reply = NetReq("http://"+item->mCard.ip+":2016/settings").timeout(120000).post(json);
    ConnReply(reply, item) [=] {
        QJsonDocument json;
        QString err = checkReplyForJson(reply, &json);
        if(! err.isEmpty()) return;
        item->mCard.isScreenOn = json["on"].toBool();
        item->setForeground("power"**mDeviceTable, item->mCard.isScreenOn ? Qt::green : Qt::red);
        item->setText("power", item->mCard.isScreenOn ? tr("On") : tr("Off"));
    });
    json = QJsonObject();
    json.insert("_id", "GetCardAlias");
    json.insert("_type", "GetCardAlias");
    reply = NetReq("http://"+item->mCard.ip+":2016/settings").timeout(120000).post(json);
    ConnReply(reply, item) [=] {
        QJsonDocument json;
        QString err = checkReplyForJson(reply, &json);
        if(! err.isEmpty()) return;
        item->mCard.alias = QString::fromUtf8(QByteArray::fromBase64(json["alias"].toString().toLatin1()));
        item->setText("alias", item->mCard.alias);
    });

    json = QJsonObject();
    json.insert("_id", "HasControllerPassword");
    json.insert("_type", "HasControllerPassword");
    reply = NetReq("http://"+item->mCard.ip+":2016/settings").timeout(120000).post(json);
    ConnReply(reply, item) [=] {
        QJsonDocument json;
        QString err = checkReplyForJson(reply, &json);
        if(! err.isEmpty()) return;
        item->mCard.hasPassword = json["result"].toBool();
        if(item->mCard.hasPassword) {//加过密
            item->btnUnlock->show();
            item->btnUnlock->setIcon(QIcon(item->mCard.isLocked ? ":/res/Lock.png" : ":/res/UnLock.png"));
        } else item->btnUnlock->hide();
    });
}

ImgDlg::ImgDlg(const QByteArray &data, QWidget *parent) : QDialog(parent) {
    setWindowFlag(Qt::WindowContextHelpButtonHint, 0);
    setWindowTitle(tr("Screenshot"));
    mImg.loadFromData(data);
    auto www = mImg.width();
    auto hhh = mImg.height();
    if(www <= 1600 && hhh <= 900) resize(www, hhh);
    else if(www > hhh) resize(900 * www / hhh, 900);
    else resize(1600, 1600 * hhh / www);
}
void ImgDlg::paintEvent(QPaintEvent *) {
    QPainter painter(this);
    painter.drawImage(rect(), mImg);
}