Change MIDI-Map color to yellow. Change ParamHandle indicator from circle to square.

include/dsp/common.hpp

@@ -15,6 +15,7 @@ namespace dsp {
 
 static const float FREQ_C4 = 261.6256f;
 static const float FREQ_A4 = 440.0000f;
+static const float FREQ_SEMITONE = 1.0594630943592953f;
 
 // Mathematical functions
 

src/Core/MIDI_Map.cpp

@@ -42,7 +42,7 @@ struct MIDI_Map : Module {
 	MIDI_Map() {
 		config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
 		for (int id = 0; id < MAX_CHANNELS; id++) {
-			paramHandles[id].color = nvgRGB(0xff, 0x40, 0xff);
+			paramHandles[id].color = nvgRGB(0xff, 0xff, 0x40);
 			APP->engine->addParamHandle(&paramHandles[id]);
 		}
 		onReset();

src/app/ParamWidget.cpp

@@ -130,7 +130,9 @@ void ParamWidget::draw(const DrawArgs &args) {
 	if (paramHandle) {
 			NVGcolor color = paramHandle->color;
 			nvgBeginPath(args.vg);
-			nvgCircle(args.vg, box.size.x - 3, box.size.y - 3, 3.0);
+			const float radius = 6;
+			// nvgCircle(args.vg, box.size.x / 2, box.size.y / 2, radius);
+			nvgRect(args.vg, box.size.x - radius, box.size.y - radius, radius, radius);
 			nvgFillColor(args.vg, color);
 			nvgFill(args.vg);
 			nvgStrokeColor(args.vg, color::mult(color, 0.5));