SampleBrowserButton.cpp

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namespace krotos
{
    SampleBrowserButton::SampleBrowserButton(const String& buttonText)
        : TextButton(buttonText), m_previousButton("Previous", DrawableButton::ButtonStyle::ImageFitted),
          m_nextButton("Next", DrawableButton::ButtonStyle::ImageFitted), m_sampleCounter("SampleCounter", "0 of 0")
    {
        addAndMakeVisible(m_mouseBlocker);
        addAndMakeVisible(m_previousButton);
        addAndMakeVisible(m_nextButton);
        addAndMakeVisible(m_sampleCounter);
 
        m_dropdownIcon = Drawable::createFromImageData(KrotosBinaryData::SampleBrowser_Dropdown_Icon_svg,
                                                       KrotosBinaryData::SampleBrowser_Dropdown_Icon_svgSize);
        m_rightArrow = Drawable::createFromImageData(KrotosBinaryData::Icon_Button_Right_svg,
                                                     KrotosBinaryData::Icon_Button_Right_svgSize);
        m_leftArrow = Drawable::createFromImageData(KrotosBinaryData::Icon_Button_Left_svg,
                                                    KrotosBinaryData::Icon_Button_Left_svgSize);
 
        m_nextButton.setImages(m_rightArrow.get());
        m_previousButton.setImages(m_leftArrow.get());
 
        m_nextButton.toFront(false);
        m_previousButton.toFront(false);
 
        m_nextButton.onClick = [&] {
            if (onNextButtonClick)
                onNextButtonClick();
        };
 
        m_previousButton.onClick = [&] {
            if (onPreviousButtonClick)
                onPreviousButtonClick();
        };
 
        m_sampleCounter.setColour(Label::ColourIds::textColourId,
                                  findColour(Label::ColourIds::textColourId).withAlpha(0.5f));
 
        m_sampleCounter.setFont(m_sampleCounter.getFont().withHeight(15.0f));
        m_sampleCounter.setMinimumHorizontalScale(0.75f);
        m_sampleCounter.setJustificationType(Justification::centredRight);
    }
 
    void SampleBrowserButton::paintButton(Graphics& g, bool shouldDrawButtonAsHighlighted, bool shouldDrawButtonAsDown)
    {
        // Draw background
        auto cornerSize = 2.0f;
        auto boxBounds = getLocalBounds();
        Path p;
        p.addRoundedRectangle(boxBounds.toFloat().getX(), boxBounds.toFloat().getY(), boxBounds.toFloat().getWidth(),
                              boxBounds.toFloat().getHeight(), cornerSize, cornerSize, false, false, true, true);
        g.setColour(findColour(ComboBox::ColourIds::backgroundColourId));
        g.fillPath(p);
 
        // Draw button text
        auto textBounds = getLocalBounds();
        textBounds.removeFromLeft(m_textXOffset);
        textBounds.removeFromRight(getWidth() - m_sampleCounter.getX());
        float textOpacity = isOver() || getToggleState() ? 1.0f : 0.7f;
        Colour textColour = findColour(TextButton::ColourIds::textColourOnId).withAlpha(textOpacity);
        g.setColour(textColour);
        g.setFont(Font(15.0f).withExtraKerningFactor(0.027f));
        g.drawFittedText(getButtonText(), textBounds, Justification::centredLeft, 1);
 
        // Draw dropdown icon
        auto bounds = getLocalBounds();
        bounds.removeFromLeft(3);
        m_dropdownIconBounds = bounds.removeFromLeft(m_iconWidth).withSizeKeepingCentre(m_iconWidth, m_iconWidth);
        m_dropdownIcon->drawWithin(g, m_dropdownIconBounds.toFloat(), RectanglePlacement::centred, 1.0f);
    }
 
    void SampleBrowserButton::resized()
    {
        auto bounds = getLocalBounds();
 
        m_nextButton.setBounds(
                bounds.removeFromRight(m_nextPrevButtonSize).withSizeKeepingCentre(m_iconWidth, m_iconWidth));
        m_previousButton.setBounds(
                bounds.removeFromRight(m_nextPrevButtonSize).withSizeKeepingCentre(m_iconWidth, m_iconWidth));
 
        bounds.removeFromRight(4);
        m_sampleCounter.setBounds(bounds.removeFromRight(m_sampleCounterLabelWidth));
 
        // Prevent text button from picking up the mouse around the extra components
        m_mouseBlocker.setBounds(
                getLocalBounds().removeFromRight(getLocalBounds().getWidth() - m_sampleCounter.getX()));
    }
 
    void SampleBrowserButton::setSampleIndex(int index)
    {
        // one-indexed, clamped to sampleCount (0 of 0, 1 of 1, etc)
        index = m_sampleCount == 0 ? 0 : index + 1;
        m_sampleIndex = jlimit(0, (int)m_sampleCount, index);
        updateSampleCounter();
    }
 
    void SampleBrowserButton::setSampleCount(size_t count)
    {
        m_sampleCount = count;
        updateSampleCounter();
    }
 
    void SampleBrowserButton::updateSampleCounter()
    {
        m_sampleCounter.setText(String(m_sampleIndex) + " of " + String(m_sampleCount),
                                NotificationType::dontSendNotification);
    }
} // namespace krotos