C++ QComboBox::setStyleSheet方法代码示例

void ResultForm::encodingChanged(const QString &encoding)
{
    QTextCodec *codec = QTextCodec::codecForName(encoding.toLatin1());
    QComboBox *comboBox = qobject_cast<QComboBox *>(sender());

    if (codec) {
        if (comboBox)
            comboBox->setStyleSheet("");

        if (ui->requestRadio->isChecked()) {
            ui->bodyText->setPlainText(codec->toUnicode(m_request->body));
        } else if (ui->responseRadio->isChecked()) {
            ui->bodyText->setPlainText(codec->toUnicode(m_response->body));
        }
    } else if (comboBox)
       comboBox->setStyleSheet("QComboBox:editable:!on { background: #FF7777; color: white }");
}

void EasyViewWidget::refreshDisplay() {
    if(this->layout()) {
        qDeleteAll(Boxes);
        Boxes.clear();
        delete this->layout();
    }

    QVBoxLayout *layout = new QVBoxLayout;
    setLayout(layout);

    QComboBox* fileChoice = new QComboBox();

#if defined(_WIN32) && defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_APP) // Workaround render bug
    QString style = "QComboBox QAbstractItemView { border: 1px solid gray }";
    fileChoice->setStyleSheet(style);
#endif

    layout->addWidget(fileChoice);
    for (size_t Pos=0; Pos<C->Count_Get(); Pos++)
        fileChoice->addItem( wstring2QString(C->Get(Pos, Stream_General, 0, __T("CompleteName"))), (int)Pos);

    fileChoice->setCurrentIndex(FilePos);

    connect(fileChoice,SIGNAL(currentIndexChanged(int)),SLOT(changeFilePos(int)));

    QFrame *box;
    QGroupBox *subBox;
    for (size_t StreamPos=0; StreamPos<Stream_Max; StreamPos++) {
        bool addBox = false;
        box = new QFrame();
        QHBoxLayout* boxLayout = new QHBoxLayout();
        box->setLayout(boxLayout);
        for (size_t Pos=0; Pos<Boxes_Count_Get(StreamPos); Pos++) {
            subBox = createBox((stream_t)StreamPos,(int)Pos);
            if(subBox!=NULL) {
                boxLayout->addWidget(subBox);
                addBox = true;
            }
        }
        if(addBox) {
            layout->addWidget(box);
            Boxes.push_back(box);
        }

    }
    layout->addStretch();
}

void MainWindow::updateState()
{
    for (int i = 0; i < ui_->EventsTable->rowCount(); ++i)
    {
        QComboBox* level = dynamic_cast<QComboBox*>(ui_->EventsTable->cellWidget(i, 3));
        if (level->currentText() == EVENT_LOW_RUS)
            level->setStyleSheet("QComboBox { background-color:" + LOW_COLOR + "; }");
        if (level->currentText() == EVENT_MIDDLE_RUS)
            level->setStyleSheet("QComboBox { background-color:" + MIDDLE_COLOR + "; }");
        if (level->currentText() == EVENT_HIGH_RUS)
            level->setStyleSheet("QComboBox { background-color:" + HIGH_COLOR + "; }");
    }

    for (int i = 0; i < ui_->FriendsTable->rowCount(); ++i)
    {
        QComboBox* level = dynamic_cast<QComboBox*>(ui_->FriendsTable->cellWidget(i, 1));
        if (level->currentText() == FRIEND_LOW_RUS)
            level->setStyleSheet("QComboBox { background-color:" + HIGH_COLOR + "; }");
        if (level->currentText() == FRIEND_MIDDLE_RUS)
            level->setStyleSheet("QComboBox { background-color:" + MIDDLE_COLOR + "; }");
        if (level->currentText() == FRIEND_HIGH_RUS)
            level->setStyleSheet("QComboBox { background-color:" + LOW_COLOR + "; }");
    }
}

//.........这里部分代码省略.........

    // === define update function ===
    auto update = [=]() {

        posComboBox->blockSignals(true);
        posObject->blockSignals(true);
        affectXCB->blockSignals(true);
        affectYCB->blockSignals(true);
        rotComboBox->blockSignals(true);
        rotObject->blockSignals(true);
        scaleComboBox->blockSignals(true);
        scaleObject->blockSignals(true);

        bool pModeDifference = false;
        bool affectXDifference = false;
        bool affectYDifference = false;
        bool pIdDifference = false;
        bool rModeDifference = false;
        bool rIdDifference = false;
        bool sModeDifference = false;
        bool sIdDifference = false;

        Mode pMode = ((ConstraintTag*) tags.first())->_positionMode;
        bool affectX = ((ConstraintTag*) tags.first())->_affectX;
        bool affectY = ((ConstraintTag*) tags.first())->_affectY;
        quint64 pId = ((ConstraintTag*) tags.first())->_posId;
        bool hasPId = ((ConstraintTag*) tags.first())->_hasPosId;
        Mode rMode = ((ConstraintTag*) tags.first())->_rotationMode;
        quint64 rId = ((ConstraintTag*) tags.first())->_rotId;
        bool hasRId = ((ConstraintTag*) tags.first())->_hasRotId;
        Mode sMode = ((ConstraintTag*) tags.first())->_scalationMode;
        quint64 sId = ((ConstraintTag*) tags.first())->_scaleId;
        bool hasSId = ((ConstraintTag*) tags.first())->_hasScaleId;


        foreach (Tag* t, tags) {
            ConstraintTag* ct = (ConstraintTag*) t;
            if (ct->_positionMode != pMode) pModeDifference = true;
            if (ct->_affectX != affectX) affectXDifference = true;
            if (ct->_affectY != affectY) affectYDifference = true;
            if ((ct->_hasPosId != hasPId)
                    || (ct->_hasPosId && hasPId && ct->_posId != pId)) pIdDifference = true;
            if (ct->_rotationMode != rMode) rModeDifference = true;
            if ((ct->_hasRotId != hasRId)
                    || (ct->_hasRotId && hasRId && ct->_rotId != rId)) rIdDifference = true;
            if (ct->_scalationMode != sMode) sModeDifference = true;
            if ((ct->_hasScaleId != hasSId)
                    || (ct->_hasScaleId && hasSId && ct->_scaleId != sId)) sIdDifference = true;
        }

        if (pModeDifference) posComboBox->setStyleSheet(QString("background-color:%1").arg(Property::MULTIPLE_VALUES_COLOR));
        else posComboBox->setStyleSheet("");
        if (affectXDifference) affectXCB->setStyleSheet(QString("background-color:%1").arg(Property::MULTIPLE_VALUES_COLOR));
        else affectXCB->setStyleSheet("");
        if (affectYDifference) affectYCB->setStyleSheet(QString("background-color:%1").arg(Property::MULTIPLE_VALUES_COLOR));
        else affectYCB->setStyleSheet("");
        if (pIdDifference) posObject->setStyleSheet(QString("background-color:%1").arg(Property::MULTIPLE_VALUES_COLOR));
        else posObject->setStyleSheet("");
        posComboBox->setCurrentIndex(modeToIndex(pMode));
        affectXCB->setChecked(affectX);
        affectXCB->setEnabled(pMode != Mode::ignore);
        affectYCB->setChecked(affectY);
        affectYCB->setEnabled(pMode != Mode::ignore);
        posObject->setEnabled(pMode != Mode::ignore);
        if (hasPId)
            posObject->setId(pId);
        else
            posObject->clear();

        if (rModeDifference) rotComboBox->setStyleSheet(QString("background-color:%1").arg(Property::MULTIPLE_VALUES_COLOR));
        else rotComboBox->setStyleSheet("");
        if (rIdDifference) rotObject->setStyleSheet(QString("background-color:%1").arg(Property::MULTIPLE_VALUES_COLOR));
        else rotObject->setStyleSheet("");
        rotComboBox->setCurrentIndex(modeToIndex(rMode));
        rotObject->setEnabled(rMode != Mode::ignore);
        if (hasRId)
            rotObject->setId(rId);
        else
            rotObject->clear();
        if (sModeDifference) scaleComboBox->setStyleSheet(QString("background-color:%1").arg(Property::MULTIPLE_VALUES_COLOR));
        else scaleComboBox->setStyleSheet("");
        if (sIdDifference) scaleObject->setStyleSheet(QString("background-color:%1").arg(Property::MULTIPLE_VALUES_COLOR));
        else scaleObject->setStyleSheet("");

        scaleComboBox->setCurrentIndex(modeToIndex(sMode));
        scaleObject->setEnabled(sMode != Mode::ignore);
        if (hasSId)
            scaleObject->setId(sId);
        else
            scaleObject->clear();

        posComboBox->blockSignals(false);
        posObject->blockSignals(false);
        affectXCB->blockSignals(false);
        affectYCB->blockSignals(false);
        rotComboBox->blockSignals(false);
        rotObject->blockSignals(false);
        scaleComboBox->blockSignals(false);
        scaleObject->blockSignals(false);
    };