void SubToolBar::initRectLabel() {
    m_rectLabel = new QLabel(this);
    QButtonGroup* rectBtnGroup = new QButtonGroup();
    rectBtnGroup->setExclusive(true);
    QList<ToolButton*> btnList;
    //rectangle, oval...
    ToolButton* fineLine = new ToolButton();
    fineLine->setObjectName("FineLine");
    rectBtnGroup->addButton(fineLine);
    btnList.append(fineLine);
    ToolButton*  mediumLine = new ToolButton();
    mediumLine->setObjectName("MediumLine");
    rectBtnGroup->addButton(mediumLine);
    btnList.append(mediumLine);
    ToolButton* thickLine = new ToolButton();
    thickLine->setObjectName("ThickLine");
    rectBtnGroup->addButton(thickLine);
    btnList.append(thickLine);
    //separator line...
    QLabel* vSeparatorLine = new QLabel();
    vSeparatorLine->setFixedSize(1, 16);
    vSeparatorLine->setObjectName("VerticalSeparatorLine");
    //blur, mosaic...
    ToolButton* blurBtn = new ToolButton();
    blurBtn->setObjectName("BlurBtn");
    ToolButton* mosaicBtn = new ToolButton();
    mosaicBtn->setObjectName("MosaicBtn");
    connect(blurBtn, &ToolButton::clicked, this, [=]{
        ConfigSettings::instance()->setValue("effect", "is_blur", blurBtn->isChecked());
        if (blurBtn->isChecked()) {
            mosaicBtn->setChecked(false);
            ConfigSettings::instance()->setValue("effect", "is_mosaic", false);
        }
    });
    connect(mosaicBtn, &ToolButton::clicked, this, [=]{
        ConfigSettings::instance()->setValue("effect", "is_mosaic", mosaicBtn->isChecked());
        if (mosaicBtn->isChecked()) {
            blurBtn->setChecked(false);
            ConfigSettings::instance()->setValue("effect", "is_blur", false);
        }
    });
    int lineWidthIndex = ConfigSettings::instance()->value("rectangle",
                                                      "linewidth_index").toInt();
    btnList[lineWidthIndex]->setChecked(true);

    QHBoxLayout* rectLayout = new QHBoxLayout();
    rectLayout->setMargin(0);
    rectLayout->setSpacing(0);
    rectLayout->addSpacing(1);
    for (int i = 0; i < btnList.length(); i++) {
        rectLayout->addWidget(btnList[i]);
        rectLayout->addSpacing(BUTTON_SPACING);
        connect(btnList[i], &ToolButton::clicked, this, [=]{
                ConfigSettings::instance()->setValue(m_currentType, "linewidth_index", i);
        });
    }
    rectLayout->addSpacing(16);
    rectLayout->addWidget(vSeparatorLine);
    rectLayout->addSpacing(16);
    rectLayout->addWidget(blurBtn);
    rectLayout->addSpacing(BUTTON_SPACING);
    rectLayout->addWidget(mosaicBtn);
    rectLayout->addStretch();
    m_rectLabel->setLayout(rectLayout);
    addWidget(m_rectLabel);

    connect(this, &SubToolBar::shapeChanged, this, [=]{
        int lineIndex = ConfigSettings::instance()->value(m_currentType,
                                                          "linewidth_index").toInt();
        btnList[lineIndex]->setChecked(true);
    });
}
void SubToolBar::initArrowLabel() {
    m_arrowLabel = new QLabel(this);
    //arrow
    QButtonGroup*  arrowBtnGroup = new QButtonGroup();
    arrowBtnGroup->setExclusive(true);
    QList<ToolButton*> arrowBtnList;
    ToolButton* arrowFineLine = new ToolButton();
    arrowFineLine->setObjectName("ArrowFine");
    arrowBtnGroup->addButton(arrowFineLine);
    arrowBtnList.append(arrowFineLine);
    ToolButton*  arrowMediumLine = new ToolButton();
    arrowMediumLine->setObjectName("ArrowMedium");
    arrowBtnGroup->addButton(arrowMediumLine);
    arrowBtnList.append(arrowMediumLine);
    ToolButton* arrowThickLine = new ToolButton();
    arrowThickLine->setObjectName("ArrowThick");
    arrowBtnGroup->addButton(arrowThickLine);
    arrowBtnList.append(arrowThickLine);
    //line
    QButtonGroup*  lineBtnGroup = new QButtonGroup();
    lineBtnGroup->setExclusive(true);
    //rectangle, oval...
    ToolButton* fineLine = new ToolButton();
    fineLine->setObjectName("ArrowFineLine");
    lineBtnGroup->addButton(fineLine);
    arrowBtnList.append(fineLine);
    ToolButton*  mediumLine = new ToolButton();
    mediumLine->setObjectName("ArrowMediumLine");
    lineBtnGroup->addButton(mediumLine);
    arrowBtnList.append(mediumLine);
    ToolButton* thickLine = new ToolButton();
    thickLine->setObjectName("ArrowThickLine");
    lineBtnGroup->addButton(thickLine);
    arrowBtnList.append(thickLine);
    //separator line...
    QLabel* vSeparatorLine = new QLabel();
    vSeparatorLine->setFixedSize(1, 16);
    vSeparatorLine->setObjectName("VerticalSeparatorLine");
    QButtonGroup* styleBtnGroup = new QButtonGroup;
    styleBtnGroup->setExclusive(true);
    ToolButton*  lineBtn = new ToolButton();
    lineBtn->setObjectName("LineBtn");
    styleBtnGroup->addButton(lineBtn, 0);
    ToolButton* arrowBtn = new ToolButton();
    arrowBtn->setObjectName("ArrowBtn");
    arrowBtn->setChecked(true);
    styleBtnGroup->addButton(arrowBtn, 1);
    if (ConfigSettings::instance()->value("arrow", "is_straight").toBool()) {
        lineBtn->setChecked(true);
    } else {
        arrowBtn->setChecked(true);
    }

    int arrowWidthIndex = ConfigSettings::instance()->value("arrow", "arrow_linewidth_index").toInt();
    int sLineWidthIndex = ConfigSettings::instance()->value("arrow", "straightline_linewidth").toInt();
    arrowBtnList[arrowWidthIndex]->setChecked(true);
    arrowBtnList[sLineWidthIndex+3]->setChecked(true);
    QHBoxLayout* arrowLayout = new QHBoxLayout();
    arrowLayout->setMargin(0);
    arrowLayout->setSpacing(BUTTON_SPACING);
    arrowLayout->addSpacing(1);
    for (int j = 0; j < arrowBtnList.length(); j++) {
        arrowLayout->addWidget(arrowBtnList[j]);
//        arrowLayout->addSpacing(BUTTON_SPACING);
        connect(arrowBtnList[j], &ToolButton::clicked, this, [=]{
            if (j < 3) {
                 ConfigSettings::instance()->setValue("arrow", "arrow_linewidth_index", j);
            } else {
                ConfigSettings::instance()->setValue("arrow", "straightline_linewidth_index", j - 3);
            }
        });
    }
    arrowLayout->addSpacing(16);
    arrowLayout->addWidget(vSeparatorLine);
    arrowLayout->addSpacing(16);
    arrowLayout->addWidget(lineBtn);
    arrowLayout->addWidget(arrowBtn);
    arrowLayout->addStretch();
    m_arrowLabel->setLayout(arrowLayout);
    addWidget(m_arrowLabel);

    fineLine->hide();
    mediumLine->hide();
    thickLine->hide();

    connect(arrowBtn, &ToolButton::toggled, this, [=](bool checked){
        if (checked) {
            arrowFineLine->show();
            arrowMediumLine->show();
            arrowThickLine->show();
            fineLine->hide();
            mediumLine->hide();
            thickLine->hide();
        } else {
            arrowFineLine->hide();
            arrowMediumLine->hide();
            arrowThickLine->hide();
            fineLine->show();
            mediumLine->show();
            thickLine->show();
        }

        ConfigSettings::instance()->setValue("arrow", "is_straight", !checked);
    });

    connect(this, &SubToolBar::shapeChanged, this, [=]{
        if (ConfigSettings::instance()->value("arrow", "is_straight").toBool()) {
            arrowFineLine->hide();
            arrowMediumLine->hide();
            arrowThickLine->hide();
            fineLine->show();
            mediumLine->show();
            thickLine->show();
        } else {
            arrowFineLine->show();
            arrowMediumLine->show();
            arrowThickLine->show();
            fineLine->hide();
            mediumLine->hide();
            thickLine->hide();
        }

        int  arrowLineWidth = ConfigSettings::instance()->value("arrow", "arrow_linewidth_index").toInt();
        int  sLineWidth = ConfigSettings::instance()->value("arrow", "straightline_linewidth_index").toInt();
        arrowBtnList[arrowLineWidth]->setChecked(true);
        arrowBtnList[sLineWidth+3]->setChecked(true);
    });
}