Fix comments.

[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 776d89160d5e794fdbf25154dc3ef25f582b3849..9546141d8bc32fa1bfabd03fdc66c695cbe15716 100644 (file)
--- a/gtk2_ardour/canvas-note-event.h
+++ b/gtk2_ardour/canvas-note-event.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2007 Paul Davis 
+    Copyright (C) 2007 Paul Davis
     Author: Dave Robillard
 
     This program is free software; you can redistribute it and/or modify
@@ -20,15 +20,22 @@
 #ifndef __gtk_ardour_canvas_midi_event_h__
 #define __gtk_ardour_canvas_midi_event_h__
 
-#include "simplerect.h"
-#include "midi_channel_selector.h"
+#include <boost/shared_ptr.hpp>
 #include <libgnomecanvasmm/text.h>
 #include <libgnomecanvasmm/widget.h>
-#include <ardour/midi_model.h>
+
+#include "ardour/midi_model.h"
+
+#include "rgb_macros.h"
+#include "ardour_ui.h"
+#include "ui_config.h"
+#include "interactive-item.h"
 
 class Editor;
 class MidiRegionView;
 
+namespace Evoral { template<typename T> class Note; }
+
 namespace Gnome {
 namespace Canvas {
 
@@ -44,56 +51,89 @@ namespace Canvas {
  *
  * A newer, better canvas should remove the need for all the ugly here.
  */
-class CanvasNoteEvent : public sigc::trackable {
+class CanvasNoteEvent : virtual public sigc::trackable, public InteractiveItem {
 public:
+       typedef Evoral::Note<ARDOUR::MidiModel::TimeType> NoteType;
+
        CanvasNoteEvent(
-                       MidiRegionView&                       region,
-                       Item*                                 item,
-                       const boost::shared_ptr<ARDOUR::Note> note = boost::shared_ptr<ARDOUR::Note>());
+                       MidiRegionView&                   region,
+                       Item*                             item,
+                       const boost::shared_ptr<NoteType> note = boost::shared_ptr<NoteType>());
 
        virtual ~CanvasNoteEvent();
 
-       bool on_event(GdkEvent* ev);
+       virtual void show() = 0;
+       virtual void hide() = 0;
+       virtual bool on_event(GdkEvent* ev);
+
+       bool valid() const { return _valid; }
+       void invalidate ();
+       void validate ();
 
        bool selected() const { return _selected; }
        void selected(bool yn);
 
-       void move_event(double dx, double dy);
-       
+       virtual void move_event(double dx, double dy) = 0;
+
+       uint32_t base_color();
+
        void show_velocity();
        void hide_velocity();
-       
-       /**
-        * This slot is called, when a new channel is selected for the single event
-        * */
+
+       /** Channel changed for this specific event */
        void on_channel_change(uint8_t channel);
+
+       /** Channel selection changed */
        void on_channel_selection_change(uint16_t selection);
-       
+
        void show_channel_selector();
-       
        void hide_channel_selector();
 
        virtual void set_outline_color(uint32_t c) = 0;
        virtual void set_fill_color(uint32_t c) = 0;
-       
+
        virtual double x1() = 0;
        virtual double y1() = 0;
        virtual double x2() = 0;
        virtual double y2() = 0;
 
-       const boost::shared_ptr<ARDOUR::Note> note() const { return _note; }
+       const boost::shared_ptr<NoteType> note() const { return _note; }
+       MidiRegionView& region_view() const { return _region; }
+
+       inline static uint32_t meter_style_fill_color(uint8_t vel) {
+               if (vel < 64) {
+                       return UINT_INTERPOLATE(
+                                       ARDOUR_UI::config()->canvasvar_MidiNoteMeterColorBase.get(),
+                                       ARDOUR_UI::config()->canvasvar_MidiNoteMeterColorMid.get(),
+                                       (vel / (double)63.0));
+               } else {
+                       return UINT_INTERPOLATE(
+                                       ARDOUR_UI::config()->canvasvar_MidiNoteMeterColorMid.get(),
+                                       ARDOUR_UI::config()->canvasvar_MidiNoteMeterColorTop.get(),
+                                       ((vel-64) / (double)63.0));
+               }
+       }
+
+       /// calculate outline colors from fill colors of notes
+       inline static uint32_t calculate_outline(uint32_t color) {
+               return UINT_INTERPOLATE(color, 0x000000ff, 0.5);
+       }
+
+       /// hue circle divided into 16 equal-looking parts, courtesy Thorsten Wilms
+       static const uint32_t midi_channel_colors[16];
 
 protected:
        enum State { None, Pressed, Dragging };
 
-       MidiRegionView&                       _region;
-       Item* const                           _item;
-       Text*                                 _text;
-       Widget*                               _channel_selector_widget;
-       State                                 _state;
-       const boost::shared_ptr<ARDOUR::Note> _note;
-       bool                                  _own_note;
-       bool                                  _selected;
+       MidiRegionView&                   _region;
+       Item* const                       _item;
+       InteractiveText*                  _text;
+       Widget*                           _channel_selector_widget;
+       State                             _state;
+       const boost::shared_ptr<NoteType> _note;
+       bool                              _own_note;
+       bool                              _selected;
+       bool                              _valid;
 };
 
 } // namespace Gnome