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livetrax/gtk2_ardour/midi_list_editor.cc

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/*
Copyright (C) 2009 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cmath>
#include <map>
#include <gtkmm/cellrenderercombo.h>
#include "evoral/midi_util.h"
#include "evoral/Note.hpp"
#include "ardour/beats_frames_converter.h"
#include "ardour/midi_model.h"
#include "ardour/midi_region.h"
#include "ardour/midi_source.h"
#include "ardour/session.h"
#include "ardour/tempo.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/keyboard.h"
#include "gtkmm2ext/actions.h"
#include "midi_list_editor.h"
#include "note_player.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace Glib;
using namespace ARDOUR;
using Timecode::BBT_Time;
static map<int,std::string> note_length_map;
static void
fill_note_length_map ()
{
note_length_map.insert (make_pair<int,string> (BBT_Time::ticks_per_beat, _("Whole")));
note_length_map.insert (make_pair<int,string> (BBT_Time::ticks_per_beat/2, _("Half")));
note_length_map.insert (make_pair<int,string> (BBT_Time::ticks_per_beat/3, _("Triplet")));
note_length_map.insert (make_pair<int,string> (BBT_Time::ticks_per_beat/4, _("Quarter")));
note_length_map.insert (make_pair<int,string> (BBT_Time::ticks_per_beat/8, _("Eighth")));
note_length_map.insert (make_pair<int,string> (BBT_Time::ticks_per_beat/16, _("Sixteenth")));
note_length_map.insert (make_pair<int,string> (BBT_Time::ticks_per_beat/32, _("Thirty-second")));
note_length_map.insert (make_pair<int,string> (BBT_Time::ticks_per_beat/64, _("Sixty-fourth")));
}
MidiListEditor::MidiListEditor (Session* s, boost::shared_ptr<MidiRegion> r, boost::shared_ptr<MidiTrack> tr)
: ArdourWindow (r->name())
, buttons (1, 1)
, region (r)
, track (tr)
{
if (note_length_map.empty()) {
fill_note_length_map ();
}
/* We do not handle nested sources/regions. Caller should have tackled this */
if (r->max_source_level() > 0) {
throw failed_constructor();
}
set_session (s);
edit_column = -1;
editing_renderer = 0;
editing_editable = 0;
model = ListStore::create (columns);
view.set_model (model);
note_length_model = ListStore::create (note_length_columns);
TreeModel::Row row;
for (std::map<int,string>::iterator i = note_length_map.begin(); i != note_length_map.end(); ++i) {
row = *(note_length_model->append());
row[note_length_columns.ticks] = i->first;
row[note_length_columns.name] = i->second;
}
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.signal_scroll_event().connect (sigc::mem_fun (*this, &MidiListEditor::scroll_event), 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);
/* 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.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) {
CellRendererText* renderer = dynamic_cast<CellRendererText*>(view.get_column_cell_renderer (i));
TreeViewColumn* col = view.get_column (i);
col->set_data (X_("colnum"), GUINT_TO_POINTER(i));
renderer->property_editable() = true;
renderer->signal_editing_started().connect (sigc::bind (sigc::mem_fun (*this, &MidiListEditor::editing_started), i));
renderer->signal_editing_canceled().connect (sigc::mem_fun (*this, &MidiListEditor::editing_canceled));
renderer->signal_edited().connect (sigc::mem_fun (*this, &MidiListEditor::edited));
}
scroller.add (view);
scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
redisplay_model ();
region->midi_source(0)->model()->ContentsChanged.connect (content_connection, invalidator (*this),
boost::bind (&MidiListEditor::redisplay_model, this), gui_context());
buttons.attach (sound_notes_button, 0, 1, 0, 1);
Glib::RefPtr<Gtk::Action> act = ActionManager::get_action ("Editor", "sound-midi-notes");
if (act) {
gtk_activatable_set_related_action (GTK_ACTIVATABLE (sound_notes_button.gobj()), act->gobj());
}
view.show ();
scroller.show ();
buttons.show ();
vbox.show ();
sound_notes_button.show ();
vbox.set_spacing (6);
vbox.set_border_width (6);
vbox.pack_start (buttons, false, false);
vbox.pack_start (scroller, true, true);
add (vbox);
set_size_request (-1, 400);
}
MidiListEditor::~MidiListEditor ()
{
}
bool
MidiListEditor::scroll_event (GdkEventScroll* ev)
{
TreeModel::Path path;
TreeViewColumn* col;
int cellx;
int celly;
int idelta = 0;
double fdelta = 0;
MidiModel::NoteDiffCommand::Property prop (MidiModel::NoteDiffCommand::NoteNumber);
bool apply = false;
bool was_selected = false;
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char const * opname;
if (!view.get_path_at_pos (ev->x, ev->y, path, col, cellx, celly)) {
return false;
}
if (view.get_selection()->count_selected_rows() == 0) {
was_selected = false;
} else if (view.get_selection()->is_selected (path)) {
was_selected = true;
} else {
was_selected = false;
}
int colnum = GPOINTER_TO_UINT (col->get_data (X_("colnum")));
switch (colnum) {
case 0:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
fdelta = 1/64.0;
} else {
fdelta = 1/4.0;
}
if (ev->direction == GDK_SCROLL_DOWN || ev->direction == GDK_SCROLL_LEFT) {
fdelta = -fdelta;
}
prop = MidiModel::NoteDiffCommand::StartTime;
opname = _("edit note start");
apply = true;
break;
case 1:
idelta = 1;
if (ev->direction == GDK_SCROLL_DOWN || ev->direction == GDK_SCROLL_LEFT) {
idelta = -idelta;
}
prop = MidiModel::NoteDiffCommand::Channel;
opname = _("edit note channel");
apply = true;
break;
case 2:
case 3:
idelta = 1;
if (ev->direction == GDK_SCROLL_DOWN || ev->direction == GDK_SCROLL_LEFT) {
idelta = -idelta;
}
prop = MidiModel::NoteDiffCommand::NoteNumber;
opname = _("edit note number");
apply = true;
break;
case 4:
idelta = 1;
if (ev->direction == GDK_SCROLL_DOWN || ev->direction == GDK_SCROLL_LEFT) {
idelta = -idelta;
}
prop = MidiModel::NoteDiffCommand::Velocity;
opname = _("edit note velocity");
apply = true;
break;
case 5:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
fdelta = 1/64.0;
} else {
fdelta = 1/4.0;
}
if (ev->direction == GDK_SCROLL_DOWN || ev->direction == GDK_SCROLL_LEFT) {
fdelta = -fdelta;
}
prop = MidiModel::NoteDiffCommand::Length;
opname = _("edit note length");
apply = true;
break;
default:
break;
}
if (apply) {
boost::shared_ptr<MidiModel> m (region->midi_source(0)->model());
MidiModel::NoteDiffCommand* cmd = m->new_note_diff_command (opname);
vector<TreeModel::Path> previous_selection;
if (was_selected) {
/* use selection */
TreeView::Selection::ListHandle_Path rows = view.get_selection()->get_selected_rows ();
TreeModel::iterator iter;
boost::shared_ptr<NoteType> note;
for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
previous_selection.push_back (*i);
if ((iter = model->get_iter (*i))) {
note = (*iter)[columns._note];
switch (prop) {
case MidiModel::NoteDiffCommand::StartTime:
if (note->time() + fdelta >= 0) {
cmd->change (note, prop, note->time() + fdelta);
} else {
cmd->change (note, prop, Evoral::MusicalTime());
}
break;
case MidiModel::NoteDiffCommand::Velocity:
cmd->change (note, prop, (uint8_t) (note->velocity() + idelta));
break;
case MidiModel::NoteDiffCommand::Length:
if (note->length().to_double() + fdelta >=
Evoral::MusicalTime::tick().to_double()) {
cmd->change (note, prop, note->length() + fdelta);
} else {
cmd->change (note, prop, Evoral::MusicalTime::tick());
}
break;
case MidiModel::NoteDiffCommand::Channel:
cmd->change (note, prop, (uint8_t) (note->channel() + idelta));
break;
case MidiModel::NoteDiffCommand::NoteNumber:
cmd->change (note, prop, (uint8_t) (note->note() + idelta));
break;
default:
continue;
}
}
}
} else {
/* just this row */
TreeModel::iterator iter;
iter = model->get_iter (path);
previous_selection.push_back (path);
if (iter) {
boost::shared_ptr<NoteType> note = (*iter)[columns._note];
switch (prop) {
case MidiModel::NoteDiffCommand::StartTime:
if (note->time() + fdelta >= 0) {
cmd->change (note, prop, note->time() + fdelta);
} else {
cmd->change (note, prop, Evoral::MusicalTime());
}
break;
case MidiModel::NoteDiffCommand::Velocity:
cmd->change (note, prop, (uint8_t) (note->velocity() + idelta));
break;
case MidiModel::NoteDiffCommand::Length:
if (note->length() + fdelta >=
Evoral::MusicalTime::tick().to_double()) {
cmd->change (note, prop, note->length() + fdelta);
} else {
cmd->change (note, prop, Evoral::MusicalTime::tick());
}
break;
case MidiModel::NoteDiffCommand::Channel:
cmd->change (note, prop, (uint8_t) (note->channel() + idelta));
break;
case MidiModel::NoteDiffCommand::NoteNumber:
cmd->change (note, prop, (uint8_t) (note->note() + idelta));
break;
default:
break;
}
}
}
m->apply_command (*_session, cmd);
/* reset selection to be as it was before we rebuilt */
for (vector<TreeModel::Path>::iterator i = previous_selection.begin(); i != previous_selection.end(); ++i) {
view.get_selection()->select (*i);
}
}
return true;
}
bool
MidiListEditor::key_press (GdkEventKey* ev)
{
bool ret = false;
TreeModel::Path path;
TreeViewColumn* col;
int colnum;
switch (ev->keyval) {
case GDK_Tab:
if (edit_column > 0) {
colnum = edit_column;
path = edit_path;
if (editing_editable) {
editing_editable->editing_done ();
}
if (colnum >= 5) {
/* wrap to next line */
colnum = 0;
path.next();
} else {
colnum++;
}
col = view.get_column (colnum);
view.set_cursor (path, *col, true);
ret = true;
}
break;
case GDK_Up:
case GDK_uparrow:
if (edit_column > 0) {
colnum = edit_column;
path = edit_path;
if (editing_editable) {
editing_editable->editing_done ();
}
path.prev ();
col = view.get_column (colnum);
view.set_cursor (path, *col, true);
ret = true;
}
break;
case GDK_Down:
case GDK_downarrow:
if (edit_column > 0) {
colnum = edit_column;
path = edit_path;
if (editing_editable) {
editing_editable->editing_done ();
}
path.next ();
col = view.get_column (colnum);
view.set_cursor (path, *col, true);
ret = true;
}
break;
case GDK_Escape:
stop_editing (true);
break;
}
return ret;
}
bool
MidiListEditor::key_release (GdkEventKey* ev)
{
bool ret = false;
TreeModel::Path path;
TreeViewColumn* col;
TreeModel::iterator iter;
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:
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;
default:
break;
}
return ret;
}
void
MidiListEditor::delete_selected_note ()
{
Glib::RefPtr<TreeSelection> selection = view.get_selection();
TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
if (rows.empty()) {
return;
}
typedef vector<boost::shared_ptr<NoteType> > Notes;
Notes to_delete;
for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
TreeIter iter;
if ((iter = model->get_iter (*i))) {
boost::shared_ptr<NoteType> note = (*iter)[columns._note];
to_delete.push_back (note);
}
}
boost::shared_ptr<MidiModel> m (region->midi_source(0)->model());
MidiModel::NoteDiffCommand* cmd = m->new_note_diff_command (_("delete notes (from list)"));
for (Notes::iterator i = to_delete.begin(); i != to_delete.end(); ++i) {
cmd->remove (*i);
}
m->apply_command (*_session, cmd);
}
void
MidiListEditor::stop_editing (bool cancelled)
{
if (!cancelled) {
if (editing_editable) {
editing_editable->editing_done ();
}
} else {
if (editing_renderer) {
editing_renderer->stop_editing (cancelled);
}
}
}
void
MidiListEditor::editing_started (CellEditable* ed, const string& path, int colno)
{
edit_path = TreePath (path);
edit_column = colno;
editing_renderer = dynamic_cast<CellRendererText*>(view.get_column_cell_renderer (colno));
editing_editable = ed;
if (ed) {
Gtk::Entry *e = dynamic_cast<Gtk::Entry*> (ed);
if (e) {
e->signal_key_press_event().connect (sigc::mem_fun (*this, &MidiListEditor::key_press), false);
e->signal_key_release_event().connect (sigc::mem_fun (*this, &MidiListEditor::key_release), false);
}
}
}
void
MidiListEditor::editing_canceled ()
{
edit_path.clear ();
edit_column = -1;
editing_renderer = 0;
editing_editable = 0;
}
void
MidiListEditor::edited (const std::string& path, const std::string& text)
{
TreeModel::iterator iter = model->get_iter (path);
if (!iter || text.empty()) {
return;
}
boost::shared_ptr<NoteType> note = (*iter)[columns._note];
MidiModel::NoteDiffCommand::Property prop (MidiModel::NoteDiffCommand::NoteNumber);
double fval;
int ival;
bool apply = false;
int idelta = 0;
double fdelta = 0;
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char const * opname;
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->channel()) {
idelta = ival - note->channel();
prop = MidiModel::NoteDiffCommand::Channel;
opname = _("change note channel");
apply = true;
}
break;
case 2: // note
if (sscanf (text.c_str(), "%d", &ival) == 1 && ival != note->note()) {
idelta = ival - note->note();
prop = MidiModel::NoteDiffCommand::NoteNumber;
opname = _("change note number");
apply = true;
}
break;
case 3: // name
break;
case 4: // velocity
if (sscanf (text.c_str(), "%d", &ival) == 1 && ival != note->velocity()) {
idelta = ival - note->velocity();
prop = MidiModel::NoteDiffCommand::Velocity;
opname = _("change note velocity");
apply = true;
}
break;
case 5: // length
if (sscanf (text.c_str(), "%lf", &fval) == 1) {
/* numeric value entered */
if (text.find ('.') == string::npos && text.find (',') == string::npos) {
/* integral => units are ticks */
fval = fval / BBT_Time::ticks_per_beat;
} else {
/* non-integral => beats, so use as-is */
}
} else {
/* assume its text from the combo. look for the map
* entry for the actual note ticks
*/
uint64_t len_ticks = note->length().to_ticks();
std::map<int,string>::iterator x = note_length_map.find (len_ticks);
if (x == note_length_map.end()) {
/* tick length not in map - was
* displaying numeric value ... use new value
* from note length map, and convert to beats.
*/
for (x = note_length_map.begin(); x != note_length_map.end(); ++x) {
if (x->second == text) {
break;
}
}
if (x != note_length_map.end()) {
fval = x->first / BBT_Time::ticks_per_beat;
}
} else {
fval = -1.0;
if (text != x->second) {
/* get ticks for the newly selected
* note length
*/
for (x = note_length_map.begin(); x != note_length_map.end(); ++x) {
if (x->second == text) {
break;
}
}
if (x != note_length_map.end()) {
/* convert to beats */
fval = (double) x->first / BBT_Time::ticks_per_beat;
}
}
}
}
if (fval > 0.0) {
fdelta = fval - note->length().to_double();
prop = MidiModel::NoteDiffCommand::Length;
opname = _("change note length");
apply = true;
}
break;
default:
break;
}
if (apply) {
boost::shared_ptr<MidiModel> m (region->midi_source(0)->model());
MidiModel::NoteDiffCommand* cmd = m->new_note_diff_command (opname);
TreeView::Selection::ListHandle_Path rows = view.get_selection()->get_selected_rows ();
for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
if ((iter = model->get_iter (*i))) {
note = (*iter)[columns._note];
switch (prop) {
case MidiModel::NoteDiffCommand::Velocity:
cmd->change (note, prop, (uint8_t) (note->velocity() + idelta));
break;
case MidiModel::NoteDiffCommand::Length:
cmd->change (note, prop, note->length() + fdelta);
break;
case MidiModel::NoteDiffCommand::Channel:
cmd->change (note, prop, (uint8_t) (note->channel() + idelta));
break;
case MidiModel::NoteDiffCommand::NoteNumber:
cmd->change (note, prop, (uint8_t) (note->note() + idelta));
break;
default:
continue;
}
}
}
m->apply_command (*_session, cmd);
/* model has been redisplayed by now */
/* keep selected row(s), move cursor there, don't continue editing */
TreeViewColumn* col = view.get_column (edit_column);
view.set_cursor (edit_path, *col, 0);
/* reset edit info, since we're done */
edit_path.clear ();
edit_column = -1;
editing_renderer = 0;
editing_editable = 0;
}
}
void
MidiListEditor::redisplay_model ()
{
view.set_model (Glib::RefPtr<Gtk::ListStore>(0));
model->clear ();
if (_session) {
BeatsFramesConverter conv (_session->tempo_map(), region->position());
MidiModel::Notes notes = region->midi_source(0)->model()->notes();
TreeModel::Row row;
stringstream ss;
for (MidiModel::Notes::iterator i = notes.begin(); i != notes.end(); ++i) {
row = *(model->append());
row[columns.channel] = (*i)->channel() + 1;
row[columns.note_name] = Evoral::midi_note_name ((*i)->note());
row[columns.note] = (*i)->note();
row[columns.velocity] = (*i)->velocity();
Timecode::BBT_Time bbt;
_session->tempo_map().bbt_time (conv.to ((*i)->time()), bbt);
ss.str ("");
ss << bbt;
row[columns.start] = ss.str();
bbt.bars = 0;
const Evoral::MusicalTime dur = (*i)->end_time() - (*i)->time();
bbt.beats = dur.get_beats ();
bbt.ticks = dur.get_ticks ();
int len_ticks = (*i)->length().to_ticks();
std::map<int,string>::iterator x = note_length_map.find (len_ticks);
if (x != note_length_map.end()) {
row[columns.length] = x->second;
} else {
ss.str ("");
ss << len_ticks;
row[columns.length] = ss.str();
}
row[columns._note] = (*i);
}
}
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 ();
}