first part of MIDI cut/copy/paste ; fix for input/output_streams of an IOProcessor...

[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 ee22e00daca32784b85e38e4f7fb85141bcdf7b9..305988667dc3e11514b4f353bcd7ab03514cf054 100644 (file)
--- a/gtk2_ardour/canvas-note-event.h
+++ b/gtk2_ardour/canvas-note-event.h
@@ -24,6 +24,8 @@
 #include <libgnomecanvasmm/text.h>
 #include <libgnomecanvasmm/widget.h>
 
+#include "ardour/midi_model.h"
+
 #include "rgb_macros.h"
 #include "ardour_ui.h"
 #include "ui_config.h"
@@ -32,7 +34,7 @@
 class Editor;
 class MidiRegionView;
 
-namespace Evoral { class Note; }
+namespace Evoral { template<typename T> class Note; }
 
 namespace Gnome {
 namespace Canvas {
@@ -49,15 +51,19 @@ 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<ARDOUR::MidiModel::TimeType> NoteType;
+
        CanvasNoteEvent(
-                       MidiRegionView&                       region,
-                       Item*                                 item,
-                       const boost::shared_ptr<Evoral::Note> note = boost::shared_ptr<Evoral::Note>());
+                       MidiRegionView&                   region,
+                       Item*                             item,
+                       const boost::shared_ptr<NoteType> note = boost::shared_ptr<NoteType>());
 
        virtual ~CanvasNoteEvent();
 
+       virtual void show() = 0;
+       virtual void hide() = 0;
        virtual bool on_event(GdkEvent* ev);
 
        bool selected() const { return _selected; }
@@ -70,10 +76,10 @@ public:
        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();
@@ -87,10 +93,9 @@ public:
        virtual double x2() = 0;
        virtual double y2() = 0;
 
-       const boost::shared_ptr<Evoral::Note> note() const { return _note; }
+       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(),
@@ -105,25 +110,24 @@ 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);
        }
        
-       /// dividing the hue circle in 16 parts, hand adjusted for equal look, courtesy Thorsten Wilms
+       /// 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;
-       InteractiveText*                      _text;
-       Widget*                               _channel_selector_widget;
-       State                                 _state;
-       const boost::shared_ptr<Evoral::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;
 };
 
 } // namespace Gnome