Method createToolsTab

source/ControlPanelDialog.cpp:1102–1158

// ============================================================================

void ControlPanelDialog::createToolsTab()
{
    toolsTab = new QWidget(this);
    QVBoxLayout *layout = new QVBoxLayout(toolsTab);

    QSettings settings("SpeedyNote", "App");

    // The old global "Minimum stroke width" row has moved to the Pen
    // thickness-preset editor (each preset owns its own min width now).

    // --- Panning settings group ---
    QGroupBox *panGroup = new QGroupBox(tr("Panning"), toolsTab);
    QFormLayout *panLayout = new QFormLayout(panGroup);

    wheelScrollSpeedSpin = new QDoubleSpinBox(panGroup);
    wheelScrollSpeedSpin->setRange(5.0, 200.0);
    wheelScrollSpeedSpin->setSingleStep(5.0);
    wheelScrollSpeedSpin->setDecimals(1);
    wheelScrollSpeedSpin->setSuffix(tr(" px"));
    wheelScrollSpeedSpin->setValue(settings.value("tools/wheelScrollSpeed", 40.0).toDouble());

    panLayout->addRow(tr("Mouse wheel scroll speed:"), wheelScrollSpeedSpin);

    QLabel *panHint = new QLabel(
        tr("Distance the viewport moves per mouse wheel click, in document units. "
           "Applies to vertical panning (wheel / `+wheel) and horizontal panning (Shift+wheel). "
           "Does not affect touchpad scrolling."),
        panGroup);
    panHint->setWordWrap(true);
    panHint->setStyleSheet("color: gray; font-size: 11px;");
    panLayout->addRow(panHint);

    layout->addWidget(panGroup);

    // --- OCR settings group ---
    QGroupBox *ocrGroup = new QGroupBox(tr("OCR (Handwriting Recognition)"), toolsTab);
    QVBoxLayout *ocrLayout = new QVBoxLayout(ocrGroup);

    ocrCjkGridModeCheck = new QCheckBox(tr("CJK grid-cell mode (box-by-box character detection)"), ocrGroup);
    ocrCjkGridModeCheck->setChecked(settings.value("ocrCjkGridMode", false).toBool());
    ocrLayout->addWidget(ocrCjkGridModeCheck);

    QLabel *ocrHint = new QLabel(
        tr("When \"Snap OCR to Grid/Lines\" is enabled on the OCR toolbar and the "
           "background is a grid, this option makes each grid cell detect one CJK "
           "character. Adjacent characters are merged into sentences. "
           "Leave unchecked for line-based detection (suitable for most languages)."),
        ocrGroup);
    ocrHint->setWordWrap(true);
    ocrHint->setStyleSheet("color: gray; font-size: 11px;");
    ocrLayout->addWidget(ocrHint);

    layout->addWidget(ocrGroup);
    layout->addStretch();

    tabWidget->addTab(toolsTab, tr("Tools"));
}