Method setStatesWhenDelete

Source/Panels/SpectrogramPanel/Multiband.cpp:316–358

}

void Multiband::setStatesWhenDelete(int deletedIndex)
{
    // 1. Based on the deleted band's index, update the state of the divider line.
    // If the last band is deleted (e.g., Band 4), the line to its left (Line 3) must be disabled.
    if (deletedIndex == lineNum)
    {
        if (lineNum > 0)
            freqDividerGroup[lineNum - 1]->setToggleState(false, juce::sendNotificationSync);
    }
    else // Otherwise, just disable the divider line corresponding to the index.
    {
        freqDividerGroup[deletedIndex]->setToggleState(false, juce::sendNotificationSync);
    }

    // 2. Update the visual focus.
    if (deletedIndex < focusIndex)
    {
        focusIndex -= 1;
    }
    else if (deletedIndex == focusIndex && focusIndex == lineNum)
    {
        focusIndex -= 1;
    }

    // 3. Shift all bands that came after the deleted one forward.
    // e.g., if index 1 is deleted, copy settings from 2 to 1, and from 3 to 2.
    for (int i = deletedIndex; i < 3; ++i)
    {
        copyBandSettings(i, i + 1);
    }
    // Also shift LFO targets for the same range
    processor.shiftLfoModulationTargets(deletedIndex + 1, 3, -1);

    // 4. Clean up the state of the last band, as it is now redundant.
    resetBandToDefault(3);
    setBandState(3, { true, false }, juce::NotificationType::dontSendNotification);

    processor.clearLfoModulationForBand(3);

    // NOTE: We no longer need to call setSoloRelatedBounds() manually here,
    // as it will be handled automatically later in the call chain
    // (sortLines() -> sliderValueChanged() -> resized()).
}

int Multiband::countLines()
{