Mix group tabs in the mixer.

[ardour.git] / gtk2_ardour / canvas-note-event.h

diff --git a/gtk2_ardour/canvas-note-event.h b/gtk2_ardour/canvas-note-event.h
index 060e4d9fa9627f5f8dea3d22b20e796476facf31..86f7312d1755d40ed3fa55967f5b3007a1016cf5 100644 (file)
--- a/gtk2_ardour/canvas-note-event.h
+++ b/gtk2_ardour/canvas-note-event.h
@@ -49,7 +49,7 @@ namespace Canvas {
  *
  * A newer, better canvas should remove the need for all the ugly here.
  */
-class CanvasNoteEvent : public sigc::trackable, public InteractiveItem {
+class CanvasNoteEvent : virtual public sigc::trackable, public InteractiveItem {
 public:
        typedef Evoral::Note<double> NoteType;
        CanvasNoteEvent(
@@ -92,8 +92,7 @@ public:
 
        const boost::shared_ptr<NoteType> note() const { return _note; }
        
-       inline static uint32_t meter_style_fill_color(uint8_t vel)
-       {
+       inline static uint32_t meter_style_fill_color(uint8_t vel) {
                if (vel < 64) {
                        return UINT_INTERPOLATE(
                                        ARDOUR_UI::config()->canvasvar_MidiNoteMeterColorBase.get(),
@@ -108,8 +107,7 @@ public:
        }
        
        /// calculate outline colors from fill colors of notes
-       inline static uint32_t calculate_outline(uint32_t color) 
-       {
+       inline static uint32_t calculate_outline(uint32_t color) {
                return UINT_INTERPOLATE(color, 0x000000ff, 0.5);
        }