* first prototype implementation of playing back MIDI notes when selected

git-svn-id: svn://localhost/ardour2/branches/3.0@4348 d708f5d6-7413-0410-9779-e7cbd77b26cf

5 files changed, 45 insertions, 9 deletions

diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index 9740c8857c..0bca31a6b8 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -3248,11 +3248,6 @@ Editor::midi_panic_button_pressed ()
 	}
 }
 
-void Editor::midi_sound_notes_toggled ()
-{
-	cerr << "toggle sound notes" << endl;
-}
-
 void
 Editor::setup_midi_toolbar ()
 {
@@ -3317,8 +3312,6 @@ Editor::setup_midi_toolbar ()
 	midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
 	ARDOUR_UI::instance()->tooltips().set_tip (midi_sound_notes, _("Sound Notes"));
 	midi_sound_notes.unset_flags (CAN_FOCUS);
-	midi_sound_notes.signal_toggled().connect (mem_fun(*this,
-				&Editor::midi_sound_notes_toggled));
 	
 	/* Panic */
 	
diff --git a/gtk2_ardour/editor.h b/gtk2_ardour/editor.h
index a79b165ba1..834313f9ae 100644
--- a/gtk2_ardour/editor.h
+++ b/gtk2_ardour/editor.h
@@ -1754,7 +1754,7 @@ public:
 	GroupedButtons          *midi_tool_button_set;
 	void                     midi_edit_mode_toggled (Editing::MidiEditMode m);
 	void                     midi_panic_button_pressed ();
-	void                     midi_sound_notes_toggled();
+	bool                     is_midi_sound_notes_active () const { return midi_sound_notes.get_active(); }
 	
 	bool                     ignore_midi_edit_mode_toggle;
 
diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index cff4d358a8..9e8a7a8e29 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -887,6 +887,36 @@ MidiRegionView::extend_active_notes()
 	}
 }
 
+void 
+MidiRegionView::play_midi_note(boost::shared_ptr<Evoral::Note> note)
+{
+	if (!trackview.editor.is_midi_sound_notes_active()) {
+		cerr << "not_active " << endl;
+		return;
+	}
+	
+	RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
+	assert(route_ui);
+	
+	route_ui->midi_track()->write_immediate_event(note->on_event().size(), note->on_event().buffer());
+	
+	Glib::Thread::create(bind(mem_fun(this, &MidiRegionView::play_midi_note_off), note), false);
+
+}
+
+void 
+MidiRegionView::play_midi_note_off(boost::shared_ptr<Evoral::Note> note)
+{
+	RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
+	assert(route_ui);
+	
+	Glib::usleep(
+		(note->off_event().time() - note->on_event().time()) * 
+		(1000000 / route_ui->session().nominal_frame_rate())
+	);
+	route_ui->midi_track()->write_immediate_event(note->off_event().size(), note->off_event().buffer());
+}
+
 
 /** Add a MIDI note to the view (with length).
  *
@@ -1181,6 +1211,7 @@ MidiRegionView::note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add)
 	}
 
 	_selection.insert(ev);
+	play_midi_note(ev->note());
 
 	if ( ! ev->selected()) {
 		ev->selected(true);
diff --git a/gtk2_ardour/midi_region_view.h b/gtk2_ardour/midi_region_view.h
index 2220dd9387..bffaf4ade2 100644
--- a/gtk2_ardour/midi_region_view.h
+++ b/gtk2_ardour/midi_region_view.h
@@ -261,7 +261,15 @@ class MidiRegionView : public RegionView
 	void reset_width_dependent_items (double pixel_width);
 
   private:
-
+	/** play back the given MIDI note immediately
+	 */
+	void play_midi_note(boost::shared_ptr<Evoral::Note> note);
+	
+	/** play back the NoteOff-Event of the given note (used by
+	 * @ref play_midi_note() ) after waiting the duration of the MIDI Note
+	 */
+	void play_midi_note_off(boost::shared_ptr<Evoral::Note> note);
+	  
 	void clear_events();
 	void switch_source(boost::shared_ptr<ARDOUR::Source> src);
 
diff --git a/gtk2_ardour/public_editor.h b/gtk2_ardour/public_editor.h
index 0af92a592a..a10539afe8 100644
--- a/gtk2_ardour/public_editor.h
+++ b/gtk2_ardour/public_editor.h
@@ -160,6 +160,10 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway
 	 * (defined in editing_syms.h)
 	 */
 	virtual Editing::MidiEditMode current_midi_edit_mode () const = 0;
+	
+	/** @return Sound edited notes in MIDI regions while editing
+	 */
+	virtual bool is_midi_sound_notes_active () const = 0;
 
 	/** Possibly start the audition of a region.  If \ref r is 0, or not an AudioRegion
 	 * any current audition is cancelled.  If we are currently auditioning \ref r,