From 827eca7e61f4d8f179b3165f5ddd74b92adab54d Mon Sep 17 00:00:00 2001
From: Armin <armin@cherry>
Date: Mon, 13 Jul 2026 22:40:43 +0200
Subject: [PATCH] Piano keys: add subtle vertical gradient for 3D appearance

---
 Source/PluginEditor.cpp | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/Source/PluginEditor.cpp b/Source/PluginEditor.cpp
index 6f39fe0..5261cb0 100644
--- a/Source/PluginEditor.cpp
+++ b/Source/PluginEditor.cpp
@@ -838,10 +838,13 @@ void PianoRollComponent::paint(juce::Graphics& g) {
         auto rect = juce::Rectangle<int>(kx, 0, whiteKeyWidth - 1, whiteKeyHeight);
 
         bool pressed = processor.isNoteActive(note);
-        if (pressed)
+        if (pressed) {
             g.setColour(juce::Colour(0xffccaa44));
-        else
-            g.setColour(juce::Colour(0xffdddddd));
+        } else {
+            juce::ColourGradient grad(juce::Colour(0xffe4e4e4), static_cast<float>(kx), 0.0f,
+                                      juce::Colour(0xffc8c8c8), static_cast<float>(kx), static_cast<float>(whiteKeyHeight), false);
+            g.setGradientFill(grad);
+        }
         g.fillRect(rect);
 
         g.setColour(juce::Colour(0xff555555));
@@ -872,10 +875,13 @@ void PianoRollComponent::paint(juce::Graphics& g) {
         auto rect = juce::Rectangle<int>(static_cast<int>(bx), 0, blackKeyWidth, blackKeyHeight);
 
         bool pressed = processor.isNoteActive(note);
-        if (pressed)
+        if (pressed) {
             g.setColour(juce::Colour(0xffccaa44));
-        else
-            g.setColour(juce::Colour(0xff333333));
+        } else {
+            juce::ColourGradient grad(juce::Colour(0xff444444), static_cast<float>(bx), 0.0f,
+                                      juce::Colour(0xff222222), static_cast<float>(bx), static_cast<float>(blackKeyHeight), false);
+            g.setGradientFill(grad);
+        }
         g.fillRect(rect);
 
         g.setColour(juce::Colour(0xff555555));