Add KnobWithLabel class

2 files changed, 54 insertions, 0 deletions

diff --git a/src/UI/KnobWithLabel.cpp b/src/UI/KnobWithLabel.cpp
new file mode 100644
index 0000000..9a09307
--- /dev/null
+++ b/src/UI/KnobWithLabel.cpp
@@ -0,0 +1,34 @@
+#include "KnobWithLabel.h"
+
+KnobWithLabel::KnobWithLabel(const juce::String& text, juce::AudioParameterFloat* param)
+    : param(param)
+{
+    addAndMakeVisible(label);
+    label.setText(text, juce::dontSendNotification);
+    label.setJustificationType(juce::Justification::centred);
+    label.setFont(juce::Font(juce::FontOptions().withHeight(10.0f)));
+    addAndMakeVisible(knob);
+    knob.setSliderStyle(juce::Slider::Rotary);
+    knob.setTextBoxStyle(juce::Slider::TextBoxBelow, false, 50, 20);
+    knob.setValue(param->get());
+
+    auto range = param->getNormalisableRange();
+    knob.setRange(range.start, range.end, range.interval);
+
+    knob.onValueChange = [this]()
+    {
+        if (this->param != nullptr)
+        {
+	  *this->param = (float) knob.getValue();
+	}
+    };
+}
+
+KnobWithLabel::~KnobWithLabel() {}
+
+void
+KnobWithLabel::resized()
+{
+    knob.setBounds(0, 0, getWidth(), getHeight());
+    label.setBounds(0, -10, getWidth(), getHeight());
+}
diff --git a/src/UI/KnobWithLabel.h b/src/UI/KnobWithLabel.h
new file mode 100644
index 0000000..6be2316
--- /dev/null
+++ b/src/UI/KnobWithLabel.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <juce_audio_processors/juce_audio_processors.h>
+#include <juce_gui_basics/juce_gui_basics.h>
+
+class KnobWithLabel : public juce::Component
+{
+  public:
+  KnobWithLabel(const juce::String& text, juce::AudioParameterFloat* param);
+    ~KnobWithLabel();
+
+    void resized() override;
+
+  private:
+    juce::Slider knob;
+    juce::Label label;
+    juce::AudioParameterFloat* param = nullptr;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(KnobWithLabel);
+};