Added shadow colour ID to MidiKeyboardComponent

modules/juce_audio_utils/gui/juce_MidiKeyboardComponent.cpp

@@ -388,13 +388,13 @@ void MidiKeyboardComponent::paint (Graphics& g)
     else
         y2 = 5.0f;
 
-    g.setGradientFill (ColourGradient (Colours::black.withAlpha (0.3f), x1, y1,
-                                       Colours::transparentBlack, x2, y2, false));
-
     int x, w;
     getKeyPos (rangeEnd, x, w);
     x += w;
 
+    const Colour shadowCol (findColour (shadowColourId));
+    g.setGradientFill (ColourGradient (shadowCol, x1, y1, shadowCol.withAlpha (0.0f), x2, y2, false));
+
     switch (orientation)
     {
         case horizontalKeyboard:            g.fillRect (0, 0, x, 5); break;

modules/juce_audio_utils/gui/juce_MidiKeyboardComponent.h

@@ -192,7 +192,8 @@ public:
         keyDownOverlayColourId          = 0x1005004,  /**< This colour will be overlaid on the normal note colour. */
         textLabelColourId               = 0x1005005,
         upDownButtonBackgroundColourId  = 0x1005006,
-        upDownButtonArrowColourId       = 0x1005007
+        upDownButtonArrowColourId       = 0x1005007,
+        shadowColourId                  = 0x1005008
     };
 
     /** Returns the position within the component of the left-hand edge of a key.

modules/juce_gui_basics/lookandfeel/juce_LookAndFeel_V2.cpp

@@ -175,6 +175,7 @@ LookAndFeel_V2::LookAndFeel_V2()
         0x1005005, /*MidiKeyboardComponent::textLabelColourId*/               0xff000000,
         0x1005006, /*MidiKeyboardComponent::upDownButtonBackgroundColourId*/  0xffd3d3d3,
         0x1005007, /*MidiKeyboardComponent::upDownButtonArrowColourId*/       0xff000000,
+        0x1005008, /*MidiKeyboardComponent::shadowColourId*/                  0x4c000000,
 
         0x1004500, /*CodeEditorComponent::backgroundColourId*/                0xffffffff,
         0x1004502, /*CodeEditorComponent::highlightColourId*/                 textHighlightColour,