* renamed canvas-midi-event.* into canvas-note-event.*

* make MidiModel keep track of its CanvasProgramChange instances

git-svn-id: svn://localhost/ardour2/branches/3.0@3297 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/SConscript

@@ -132,7 +132,7 @@ automation_time_axis.cc
 axis_view.cc
 bundle_manager.cc
 canvas-program-change.cc
-canvas-midi-event.cc
+canvas-note-event.cc
 canvas-note.cc
 canvas-simpleline.c
 canvas-simplerect.c

gtk2_ardour/canvas-note-event.cc

@@ -18,7 +18,7 @@
 */
 
 #include <iostream>
-#include "canvas-midi-event.h"
+#include "canvas-note-event.h"
 #include "midi_region_view.h"
 #include "public_editor.h"
 #include "editing_syms.h"

gtk2_ardour/canvas-note.h

@@ -23,7 +23,7 @@
 
 #include <iostream>
 #include "simplerect.h"
-#include "canvas-midi-event.h"
+#include "canvas-note-event.h"
 #include "midi_util.h"
 
 namespace Gnome {

gtk2_ardour/canvas-program-change.cc

@@ -1,7 +1,8 @@
 #include "canvas-program-change.h"
 #include <iostream>
+#include "ardour_ui.h"
 
-using namespace ArdourCanvas;
+using namespace Gnome::Canvas;
 using namespace std;
 
 CanvasProgramChange::CanvasProgramChange(

gtk2_ardour/canvas-program-change.h

@@ -4,15 +4,14 @@
 #include <libgnomecanvasmm/group.h>
 #include "simplerect.h"
 #include "simpleline.h"
-#include "midi_region_view.h"
 #include <libgnomecanvasmm/text.h>
 #include <libgnomecanvasmm/widget.h>
 #include <ardour/midi_model.h>
 
-namespace Gnome
-{
-namespace Canvas
-{
+class MidiRegionView;
+
+namespace Gnome {
+namespace Canvas {
 
 class CanvasProgramChange : public Group
 {

gtk2_ardour/diamond.h

@@ -21,7 +21,7 @@
 #define __ardour_diamond_h__
 
 #include <libgnomecanvasmm/polygon.h>
-#include "canvas-midi-event.h"
+#include "canvas-note-event.h"
 
 namespace Gnome {
 namespace Canvas {

gtk2_ardour/editor_canvas_events.cc

@@ -40,7 +40,7 @@
 #include "control_point.h"
 #include "canvas_impl.h"
 #include "simplerect.h"
-#include "canvas-midi-event.h"
+#include "canvas-note-event.h"
 
 #include "i18n.h"
 

gtk2_ardour/midi_region_view.cc

@@ -431,6 +431,7 @@ MidiRegionView::clear_events()
 		delete *i;
 
 	_events.clear();
+	_pgm_changes.clear();
 }
 
 
@@ -476,14 +477,8 @@ MidiRegionView::redisplay_model()
 		}
 
 		MidiModel::PgmChanges& pgm_changes = _model->pgm_changes();
-		/*
-		for (MidiModel::PgmChanges::const_iterator i = pgm_changes.begin(); 
-		     i != pgm_changes.end(); 
-		     ++i) {
-			add_pgm_change()
-		}
-		*/
-		for_each(pgm_changes.begin(), pgm_changes.end(), sigc::mem_fun(this, &MidiRegionView::add_pgm_change));
+		for_each(pgm_changes.begin(), pgm_changes.end(), 
+			sigc::mem_fun(this, &MidiRegionView::add_pgm_change));
 
 		end_write();
 
@@ -820,8 +815,9 @@ MidiRegionView::add_pgm_change(boost::shared_ptr<MIDI::Event> event)
 	const double x = trackview.editor.frame_to_pixel((nframes_t)event->time() - _region->start());
 	
 	double height = midi_stream_view()->contents_height();
-	new CanvasProgramChange(*this, *group, event, height, x, 1.0);
-	//TODO : keep track of pgm changes
+	_pgm_changes.push_back(
+		boost::shared_ptr<CanvasProgramChange>(
+			new CanvasProgramChange(*this, *group, event, height, x, 1.0)));
 }
 
 void

gtk2_ardour/midi_region_view.h

@@ -36,7 +36,7 @@
 #include "enums.h"
 #include "canvas.h"
 #include "canvas-note.h"
-#include "canvas-midi-event.h"
+#include "canvas-note-event.h"
 #include "canvas-program-change.h"
 
 namespace ARDOUR {
@@ -254,6 +254,7 @@ class MidiRegionView : public RegionView
 
 	boost::shared_ptr<ARDOUR::MidiModel>        _model;
 	std::vector<ArdourCanvas::CanvasNoteEvent*> _events;
+	std::vector< boost::shared_ptr<ArdourCanvas::CanvasProgramChange> > _pgm_changes;
 	ArdourCanvas::CanvasNote**                  _active_notes;
 	ArdourCanvas::Group*                        _note_group;
 	ARDOUR::MidiModel::DeltaCommand*            _delta_command;

libs/ardour/midi_model.cc

@@ -362,11 +362,13 @@ MidiModel::read(MidiRingBuffer& dst, nframes_t start, nframes_t nframes, nframes
 		assert(_read_iter->size() > 0);
 		dst.write(_read_iter->time() + stamp_offset - negative_stamp_offset, _read_iter->size(), _read_iter->buffer());
 		
+		/*
 		cerr << this << " MidiModel::read event @ " << _read_iter->time()  
 		     << " type: " << hex << int(_read_iter->type()) << dec 
 		     << " note: " << int(_read_iter->note()) 
 		     << " velocity: " << int(_read_iter->velocity()) 
 		     << endl;
+		*/
 		
 		++_read_iter;
 		++read_events;
@@ -573,7 +575,7 @@ MidiModel::append_cc_unlocked(uint8_t chan, double time, uint8_t number, uint8_t
 void
 MidiModel::append_pgm_change_unlocked(uint8_t chan, double time, uint8_t number) 
 {
-	cerr << "MidiModel::append_pgm_change_unlocked: channel " << int(chan) << " time: " << time << " program number: " << int(number) <<endl; 
+	//cerr << "MidiModel::append_pgm_change_unlocked: channel " << int(chan) << " time: " << time << " program number: " << int(number) <<endl; 
 	assert(chan < 16);
 	assert(_writing);
 	_edited = true;
@@ -603,6 +605,9 @@ MidiModel::remove_note_unlocked(const boost::shared_ptr<const Note> note)
 	for(Notes::iterator n = _notes.begin(); n != _notes.end(); ++n) {
 		Note& _n = *(*n);
 		const Note& _note = *note;
+		// TODO: There is still the issue, that after restarting ardour
+		// persisted undo does not work, because of rounding errors in the
+		// event times after saving/restoring to/from MIDI files
 		cerr << "======================================= " << endl;
 		cerr << int(_n.note()) << "@" << int(_n.time()) << "[" << int(_n.channel()) << "] --" << int(_n.duration()) << "-- #" << int(_n.velocity())  << endl;
 		cerr << int(_note.note()) << "@" << int(_note.time()) << "[" << int(_note.channel()) << "] --" << int(_note.duration()) << "-- #" << int(_note.velocity())  << endl;