start to provide real functionality in MIDI list editor. far from finished, but then, have *you* read the Logic manual?

git-svn-id: svn://localhost/ardour2/branches/3.0@11415 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 250 insertions, 38 deletions

diff --git a/gtk2_ardour/midi_list_editor.cc b/gtk2_ardour/midi_list_editor.cc
index 326f4e1680..236f3dda7a 100644
--- a/gtk2_ardour/midi_list_editor.cc
+++ b/gtk2_ardour/midi_list_editor.cc
@@ -18,6 +18,8 @@
 
 #include <cmath>
 
+#include <gtkmm/cellrenderercombo.h>
+
 #include "evoral/midi_util.h"
 #include "evoral/Note.hpp"
 
@@ -32,6 +34,7 @@
 #include "gtkmm2ext/keyboard.h"
 
 #include "midi_list_editor.h"
+#include "note_player.h"
 
 #include "i18n.h"
 
@@ -39,10 +42,12 @@ using namespace std;
 using namespace Gtk;
 using namespace Glib;
 using namespace ARDOUR;
+using Timecode::BBT_Time;
 
-MidiListEditor::MidiListEditor (Session* s, boost::shared_ptr<MidiRegion> r)
+MidiListEditor::MidiListEditor (Session* s, boost::shared_ptr<MidiRegion> r, boost::shared_ptr<MidiTrack> tr)
 	: ArdourWindow (r->name())
 	, region (r)
+	, track (tr)
 {
 	/* We do not handle nested sources/regions. Caller should have tackled this */
 
@@ -52,25 +57,79 @@ MidiListEditor::MidiListEditor (Session* s, boost::shared_ptr<MidiRegion> r)
 
 	set_session (s);
 
+	edit_column = -1;
+	editing_renderer = 0;
+
 	model = ListStore::create (columns);
 	view.set_model (model);
 
-	view.signal_key_press_event().connect (sigc::mem_fun (*this, &MidiListEditor::key_press));
-	view.signal_key_release_event().connect (sigc::mem_fun (*this, &MidiListEditor::key_release));
+	note_length_model = ListStore::create (note_length_columns);
+	TreeModel::Row row;
+	row = *(note_length_model->append());
+	row[note_length_columns.ticks] = BBT_Time::ticks_per_beat;
+	row[note_length_columns.name] = _("Whole");
+
+	row = *(note_length_model->append());
+	row[note_length_columns.ticks] = BBT_Time::ticks_per_beat/2;
+	row[note_length_columns.name] = _("Half");
+
+	row = *(note_length_model->append());
+	row[note_length_columns.ticks] = BBT_Time::ticks_per_beat/3;
+	row[note_length_columns.name] = _("Triplet");
+
+	row = *(note_length_model->append());
+	row[note_length_columns.ticks] = BBT_Time::ticks_per_beat/4;
+	row[note_length_columns.name] = _("Quarter");
+
+	row = *(note_length_model->append());
+	row[note_length_columns.ticks] = BBT_Time::ticks_per_beat/8;
+	row[note_length_columns.name] = _("Eighth");
+
+	row = *(note_length_model->append());
+	row[note_length_columns.ticks] = BBT_Time::ticks_per_beat;
+	row[note_length_columns.name] = _("Sixteenth");
+
+	row = *(note_length_model->append());
+	row[note_length_columns.ticks] = BBT_Time::ticks_per_beat/32;
+	row[note_length_columns.name] = _("Thirty-second");
+
+	row = *(note_length_model->append());
+	row[note_length_columns.ticks] = BBT_Time::ticks_per_beat/64;
+	row[note_length_columns.name] = _("Sixty-fourth");
+
+	view.signal_key_press_event().connect (sigc::mem_fun (*this, &MidiListEditor::key_press), false);
+	view.signal_key_release_event().connect (sigc::mem_fun (*this, &MidiListEditor::key_release), false);
 
 	view.append_column (_("Start"), columns.start);
 	view.append_column (_("Channel"), columns.channel);
 	view.append_column (_("Num"), columns.note);
 	view.append_column (_("Name"), columns.note_name);
 	view.append_column (_("Vel"), columns.velocity);
-	view.append_column (_("Length"), columns.length);
+
+	/* use a combo renderer for length, so that we can offer a selection
+	   of pre-defined note lengths. we still allow edited values with
+	   arbitrary length (in ticks).
+	 */
+
+	Gtk::TreeViewColumn* lenCol = Gtk::manage (new Gtk::TreeViewColumn (_("Length")));
+	Gtk::CellRendererCombo* comboCell = Gtk::manage(new Gtk::CellRendererCombo);
+	lenCol->pack_start(*comboCell);
+	lenCol->add_attribute (comboCell->property_text(), columns.length);
+
+	comboCell->property_model() = note_length_model;
+	comboCell->property_text_column() = 1;
+	comboCell->property_has_entry() = false;
+
+	view.append_column (*lenCol);
 	view.append_column (_("End"), columns.end);
 	view.set_headers_visible (true);
 	view.set_rules_hint (true);
 	view.get_selection()->set_mode (SELECTION_MULTIPLE);
+	view.get_selection()->signal_changed().connect (sigc::mem_fun (*this, &MidiListEditor::selection_changed));
 
-	for (int i = 0; i < 6; ++i) {
+	for (int i = 0; i < 7; ++i) {
 		CellRendererText* renderer = dynamic_cast<CellRendererText*>(view.get_column_cell_renderer (i));
+
 		renderer->property_editable() = true;
 
 		renderer->signal_editing_started().connect (sigc::bind (sigc::mem_fun (*this, &MidiListEditor::editing_started), i));
@@ -88,8 +147,13 @@ MidiListEditor::MidiListEditor (Session* s, boost::shared_ptr<MidiRegion> r)
 
 	view.show ();
 	scroller.show ();
+	buttons.show ();
+	vbox.show ();
 
-	add (scroller);
+	vbox.pack_start (buttons, false, false);
+	vbox.pack_start (scroller, true, true);
+
+	add (vbox);
 	set_size_request (-1, 400);
 }
 
@@ -100,25 +164,50 @@ MidiListEditor::~MidiListEditor ()
 bool
 MidiListEditor::key_press (GdkEventKey* ev)
 {
-	bool editing = !_current_edit.empty();
 	bool ret = false;
+	TreeModel::Path path;
+	TreeViewColumn* col;
 
-	if (editing) {
-		switch (ev->keyval) {
-		case GDK_Tab:
-			break;
-		case GDK_Right:
-			break;
-		case GDK_Left:
-			break;
-		case GDK_Up:
-			break;
-		case GDK_Down:
-			break;
-		case GDK_Escape:
-			break;
+	switch (ev->keyval) {
+	case GDK_Tab:
+		if (edit_column > 0) {
+			if (edit_column >= 6) {
+				edit_column = 0;
+				edit_path.next();
+			} else {
+				edit_column++;
+			}
+			col = view.get_column (edit_column);
+			path = edit_path;
+			view.set_cursor (path, *col, true);
+			ret = true;
+		}
+		break;
+		
+	case GDK_Up:
+		if (edit_column > 0) {
+			edit_path.prev ();
+			col = view.get_column (edit_column);
+			path = edit_path;
+			view.set_cursor (path, *col, true);
+			ret = true;
+		}
+		break;
 
+	case GDK_Down:
+		if (edit_column > 0) {
+			edit_path.next ();
+			col = view.get_column (edit_column);
+			path = edit_path;
+			view.set_cursor (path, *col, true);
+			ret = true;
 		}
+		break;
+
+	case GDK_Escape:
+		stop_editing (true);
+		break;
+		
 	}
 
 	return ret;
@@ -128,22 +217,53 @@ bool
 MidiListEditor::key_release (GdkEventKey* ev)
 {
 	bool ret = false;
+	TreeModel::Path path;
+	TreeViewColumn* col;
+	TreeModel::iterator iter;
+	TreeModel::Row row;
+	MidiModel::NoteDiffCommand* cmd;
+	boost::shared_ptr<MidiModel> m (region->midi_source(0)->model());
+	boost::shared_ptr<NoteType> note;
+	boost::shared_ptr<NoteType> copy;
 
 	switch (ev->keyval) {
+	case GDK_Insert:
+		/* add a new note to the model, based on the note at the cursor
+		 * pos
+		 */
+		view.get_cursor (path, col);
+		iter = model->get_iter (path);
+		cmd = m->new_note_diff_command (_("insert new note"));
+		note = (*iter)[columns._note];
+		copy.reset (new NoteType (*note.get()));
+		cmd->add (copy);
+		m->apply_command (*_session, cmd);
+		/* model has been redisplayed by now */
+		path.next ();
+		/* select, start editing column 2 (note) */
+		col = view.get_column (2);
+		view.set_cursor (path, *col, true);
+		break;
+
 	case GDK_Delete:
 	case GDK_BackSpace:
-		delete_selected_note ();
+		if (edit_column < 0) {
+			delete_selected_note ();
+		}
 		ret = true;
 		break;
+
 	case GDK_z:
 		if (_session && Gtkmm2ext::Keyboard::modifier_state_contains (ev->state, Gtkmm2ext::Keyboard::PrimaryModifier)) {
 			_session->undo (1);
+			ret = true;
 		}
 		break;
 		
 	case GDK_r:
 		if (_session && Gtkmm2ext::Keyboard::modifier_state_contains (ev->state, Gtkmm2ext::Keyboard::PrimaryModifier)) {
 			_session->redo (1);
+			ret = true;
 		}
 		break;
 
@@ -187,36 +307,108 @@ MidiListEditor::delete_selected_note ()
 }
 
 void
+MidiListEditor::stop_editing (bool cancelled)
+{
+	if (editing_renderer) {
+		editing_renderer->stop_editing (cancelled);
+	}
+}
+
+void
 MidiListEditor::editing_started (CellEditable*, const string& path, int colno)
 {
-	_current_edit = path;
-	cerr << "Now editing " << _current_edit << " Column " << colno << endl;
+	cerr << "start editing at [" << path << "] col " << colno << endl;
+	edit_path = TreePath (path);
+	edit_column = colno;
+	editing_renderer = dynamic_cast<CellRendererText*>(view.get_column_cell_renderer (colno));
 }
 
 void
 MidiListEditor::editing_canceled ()
 {
-	_current_edit = "";
+	cerr << "editing cancelled with edit_column = " << edit_column << " path \"" << edit_path.to_string() << "\"\n";
+	edit_path.clear ();
+	edit_column = -1;
+	editing_renderer = 0;
 }
 
 void
-MidiListEditor::edited (const std::string& path, const std::string& /* text */)
+MidiListEditor::edited (const std::string& path, const std::string& text)
 {
 	TreeModel::iterator iter = model->get_iter (path);
 
-	cerr << "Edit at " << path << endl;
-
-	if (!iter) {
+	if (!iter || text.empty()) {
 		return;
 	}
 
+	cerr << "Edited " << path << " col " << edit_column << " to \"" << text << "\"\n";
+
 	boost::shared_ptr<NoteType> note = (*iter)[columns._note];
+	boost::shared_ptr<MidiModel> m (region->midi_source(0)->model());
+	MidiModel::NoteDiffCommand* cmd;
 
-	cerr << "Edited " << *note << endl;
+	cmd = m->new_note_diff_command (_("insert new note"));
 
-	redisplay_model ();
+	double fval;
+	int    ival;
+	bool   apply = false;
 
+	switch (edit_column) {
+	case 0: // start
+		break;
+	case 1: // channel
+		// correct ival for zero-based counting after scan
+		if (sscanf (text.c_str(), "%d", &ival) == 1 && --ival != note->note()) {
+			cmd->change (note, MidiModel::NoteDiffCommand::NoteNumber, (uint8_t) ival);
+			apply = true;
+			cerr << "channel differs " << (int) ival << " vs. " << (int) note->channel() << endl;
+		}
+		break;
+	case 2: // note
+		if (sscanf (text.c_str(), "%d", &ival) == 1 && ival != note->note()) {
+			cmd->change (note, MidiModel::NoteDiffCommand::NoteNumber, (uint8_t) ival);
+			apply = true;
+			cerr << "note number differs " << (int) ival << " vs. " << (int) note->note() << endl;
+		}
+		break;
+	case 3: // name
+		break;
+	case 4: // velocity
+		if (sscanf (text.c_str(), "%d", &ival) == 1 && ival != note->velocity()) {
+			cmd->change (note, MidiModel::NoteDiffCommand::Velocity, (uint8_t) ival);
+			apply = true;
+			cerr << "velocity differs " << (int) ival << " vs. " << (int) note->velocity() << endl;
+		}
+		break;
+	case 5: // length
+		if (sscanf (text.c_str(), "%d", &ival) == 1) {
+			fval = (double) ival / Timecode::BBT_Time::ticks_per_beat;
+		
+			if (fval != note->length()) {
+				cmd->change (note, MidiModel::NoteDiffCommand::Length, fval);
+				apply = true;
+				cerr << "length differs: " << fval << " vs. " << note->length() << endl;
+			}
+		}
+		break;
+	case 6: // end
+		break;
+	default:
+		break;
+	}
+
+	if (apply) {
+		cerr << "Apply change\n";
+		m->apply_command (*_session, cmd);
+	} else {
+		cerr << "No change\n";
+	}
+	
+	/* model has been redisplayed by now */
 	/* keep selected row(s), move cursor there, to allow us to continue editing */
+
+	TreeViewColumn* col = view.get_column (edit_column);
+	view.set_cursor (edit_path, *col, 0);
 }
 
 void
@@ -252,15 +444,11 @@ MidiListEditor::redisplay_model ()
 			dur = (*i)->end_time() - (*i)->time();
 			bbt.beats = floor (dur);
 			bbt.ticks = (uint32_t) lrint (fmod (dur, 1.0) * Timecode::BBT_Time::ticks_per_beat);
-
-			_session->tempo_map().bbt_duration_at (region->position(), bbt, 0);
-
-			ss.str ("");
-			ss << bbt;
-			row[columns.length] = ss.str();
+			
+			row[columns.length] = lrint ((*i)->length() * Timecode::BBT_Time::ticks_per_beat);
 
 			_session->tempo_map().bbt_time (conv.to ((*i)->end_time()), bbt);
-
+			
 			ss.str ("");
 			ss << bbt;
 			row[columns.end] = ss.str();
@@ -271,3 +459,27 @@ MidiListEditor::redisplay_model ()
 
 	view.set_model (model);
 }
+
+void
+MidiListEditor::selection_changed ()
+{
+	if (!Config->get_sound_midi_notes()) {
+		return;
+	}
+
+	TreeModel::Path path;
+	TreeModel::iterator iter;
+	boost::shared_ptr<NoteType> note;
+	TreeView::Selection::ListHandle_Path rows = view.get_selection()->get_selected_rows ();
+
+	NotePlayer* player = new NotePlayer (track);
+
+	for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
+		if (iter = model->get_iter (*i)) {
+			note = (*iter)[columns._note];		
+			player->add (note);
+		}
+	}
+
+	player->play ();
+}