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ardour/gtk2_ardour/midi_region_view.cc

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/*
Copyright (C) 2001-2007 Paul Davis
Author: Dave Robillard
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 <cassert>
#include <algorithm>
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
#include <sigc++/signal.h>
#include <ardour/playlist.h>
#include <ardour/tempo.h>
#include <ardour/midi_region.h>
#include <ardour/midi_source.h>
#include <ardour/midi_diskstream.h>
#include <ardour/midi_model.h>
#include <ardour/midi_patch_manager.h>
#include <evoral/Parameter.hpp>
#include <evoral/Control.hpp>
#include "streamview.h"
#include "midi_region_view.h"
#include "midi_streamview.h"
#include "midi_time_axis.h"
#include "simpleline.h"
#include "canvas-hit.h"
#include "canvas-note.h"
#include "canvas-program-change.h"
#include "public_editor.h"
#include "ghostregion.h"
#include "midi_time_axis.h"
#include "automation_time_axis.h"
#include "automation_region_view.h"
#include "utils.h"
#include "midi_util.h"
#include "gui_thread.h"
#include "keyboard.h"
#include "i18n.h"
using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;
MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color)
: RegionView (parent, tv, r, spu, basic_color)
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _default_note_length(0.0)
, _current_range_min(0)
, _current_range_max(0)
, _model_name(string())
, _custom_device_mode(string())
, _active_notes(0)
, _note_group(new ArdourCanvas::Group(*parent))
, _delta_command(NULL)
, _mouse_state(None)
, _pressed_button(0)
{
_note_group->raise_to_top();
}
MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
: RegionView (parent, tv, r, spu, basic_color, false, visibility)
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _default_note_length(0.0)
, _model_name(string())
, _custom_device_mode(string())
, _active_notes(0)
, _note_group(new ArdourCanvas::Group(*parent))
, _delta_command(NULL)
, _mouse_state(None)
, _pressed_button(0)
{
_note_group->raise_to_top();
}
MidiRegionView::MidiRegionView (const MidiRegionView& other)
: RegionView (other)
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _default_note_length(0.0)
, _model_name(string())
, _custom_device_mode(string())
, _active_notes(0)
, _note_group(new ArdourCanvas::Group(*get_canvas_group()))
, _delta_command(NULL)
, _mouse_state(None)
, _pressed_button(0)
{
Gdk::Color c;
int r,g,b,a;
UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
c.set_rgb_p (r/255.0, g/255.0, b/255.0);
init (c, false);
}
MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<MidiRegion> other_region)
: RegionView (other, boost::shared_ptr<Region> (other_region))
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _default_note_length(0.0)
, _model_name(string())
, _custom_device_mode(string())
, _active_notes(0)
, _note_group(new ArdourCanvas::Group(*get_canvas_group()))
, _delta_command(NULL)
, _mouse_state(None)
, _pressed_button(0)
{
Gdk::Color c;
int r,g,b,a;
UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
c.set_rgb_p (r/255.0, g/255.0, b/255.0);
init (c, true);
}
void
MidiRegionView::init (Gdk::Color& basic_color, bool wfd)
{
if (wfd)
midi_region()->midi_source(0)->load_model();
const Meter& m = trackview.session().tempo_map().meter_at(_region->position());
const Tempo& t = trackview.session().tempo_map().tempo_at(_region->position());
_default_note_length = m.frames_per_bar(t, trackview.session().frame_rate())
/ m.beats_per_bar();
_model = midi_region()->midi_source(0)->model();
_enable_display = false;
RegionView::init (basic_color, false);
compute_colors (basic_color);
set_height (trackview.current_height());
region_muted ();
region_sync_changed ();
region_resized (BoundsChanged);
region_locked ();
reset_width_dependent_items (_pixel_width);
//reset_width_dependent_items ((double) _region->length() / samples_per_unit);
set_colors ();
_enable_display = true;
if (_model) {
if (wfd) {
redisplay_model();
}
_model->ContentsChanged.connect(sigc::mem_fun(this, &MidiRegionView::redisplay_model));
}
group->raise_to_top();
group->signal_event().connect (mem_fun (this, &MidiRegionView::canvas_event), false);
midi_view()->signal_channel_mode_changed().connect(
mem_fun(this, &MidiRegionView::midi_channel_mode_changed));
midi_view()->signal_midi_patch_settings_changed().connect(
mem_fun(this, &MidiRegionView::midi_patch_settings_changed));
}
bool
MidiRegionView::canvas_event(GdkEvent* ev)
{
static bool delete_mod = false;
static Editing::MidiEditMode original_mode;
static double drag_start_x, drag_start_y;
static double last_x, last_y;
double event_x, event_y;
nframes64_t event_frame = 0;
static ArdourCanvas::SimpleRect* drag_rect = NULL;
if (trackview.editor.current_mouse_mode() != MouseNote)
return false;
// Mmmm, spaghetti
switch (ev->type) {
case GDK_KEY_PRESS:
if (ev->key.keyval == GDK_Delete && !delete_mod) {
delete_mod = true;
original_mode = trackview.editor.current_midi_edit_mode();
trackview.editor.set_midi_edit_mode(MidiEditErase);
start_delta_command(_("erase notes"));
_mouse_state = EraseTouchDragging;
return true;
} else if (ev->key.keyval == GDK_Shift_L || ev->key.keyval == GDK_Control_L) {
_mouse_state = SelectTouchDragging;
return true;
} else if (ev->key.keyval == GDK_Escape) {
clear_selection();
_mouse_state = None;
}
return false;
case GDK_KEY_RELEASE:
if (ev->key.keyval == GDK_Delete) {
if (_mouse_state == EraseTouchDragging) {
delete_selection();
apply_command();
}
if (delete_mod) {
trackview.editor.set_midi_edit_mode(original_mode);
_mouse_state = None;
delete_mod = false;
}
return true;
} else if (ev->key.keyval == GDK_Shift_L || ev->key.keyval == GDK_Control_L) {
_mouse_state = None;
return true;
}
return false;
case GDK_BUTTON_PRESS:
if (_mouse_state != SelectTouchDragging &&
_mouse_state != EraseTouchDragging &&
ev->button.button == 1) {
_pressed_button = ev->button.button;
_mouse_state = Pressed;
return true;
}
_pressed_button = ev->button.button;
return true;
case GDK_2BUTTON_PRESS:
return true;
case GDK_ENTER_NOTIFY:
/* FIXME: do this on switch to note tool, too, if the pointer is already in */
Keyboard::magic_widget_grab_focus();
group->grab_focus();
break;
case GDK_MOTION_NOTIFY:
event_x = ev->motion.x;
event_y = ev->motion.y;
group->w2i(event_x, event_y);
// convert event_x to global frame
event_frame = trackview.editor.pixel_to_frame(event_x) + _region->position();
trackview.editor.snap_to(event_frame);
// convert event_frame back to local coordinates relative to position
event_frame -= _region->position();
switch (_mouse_state) {
case Pressed: // Drag start
// Select drag start
if (_pressed_button == 1 && trackview.editor.current_midi_edit_mode() == MidiEditSelect) {
group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
last_x = event_x;
last_y = event_y;
drag_start_x = event_x;
drag_start_y = event_y;
drag_rect = new ArdourCanvas::SimpleRect(*group);
drag_rect->property_x1() = event_x;
drag_rect->property_y1() = event_y;
drag_rect->property_x2() = event_x;
drag_rect->property_y2() = event_y;
drag_rect->property_outline_what() = 0xFF;
drag_rect->property_outline_color_rgba()
= ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
drag_rect->property_fill_color_rgba()
= ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
_mouse_state = SelectRectDragging;
return true;
// Add note drag start
} else if (trackview.editor.current_midi_edit_mode() == MidiEditPencil) {
group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
last_x = event_x;
last_y = event_y;
drag_start_x = event_x;
drag_start_y = event_y;
drag_rect = new ArdourCanvas::SimpleRect(*group);
drag_rect->property_x1() = trackview.editor.frame_to_pixel(event_frame);
drag_rect->property_y1() = midi_stream_view()->note_to_y(midi_stream_view()->y_to_note(event_y));
drag_rect->property_x2() = event_x;
drag_rect->property_y2() = drag_rect->property_y1() + floor(midi_stream_view()->note_height());
drag_rect->property_outline_what() = 0xFF;
drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
_mouse_state = AddDragging;
return true;
}
return false;
case SelectRectDragging: // Select drag motion
case AddDragging: // Add note drag motion
if (ev->motion.is_hint) {
int t_x;
int t_y;
GdkModifierType state;
gdk_window_get_pointer(ev->motion.window, &t_x, &t_y, &state);
event_x = t_x;
event_y = t_y;
}
if (_mouse_state == AddDragging)
event_x = trackview.editor.frame_to_pixel(event_frame);
if (drag_rect) {
if (event_x > drag_start_x)
drag_rect->property_x2() = event_x;
else
drag_rect->property_x1() = event_x;
}
if (drag_rect && _mouse_state == SelectRectDragging) {
if (event_y > drag_start_y)
drag_rect->property_y2() = event_y;
else
drag_rect->property_y1() = event_y;
update_drag_selection(drag_start_x, event_x, drag_start_y, event_y);
}
last_x = event_x;
last_y = event_y;
case EraseTouchDragging:
case SelectTouchDragging:
return false;
default:
break;
}
break;
case GDK_BUTTON_RELEASE:
event_x = ev->motion.x;
event_y = ev->motion.y;
group->w2i(event_x, event_y);
group->ungrab(ev->button.time);
event_frame = trackview.editor.pixel_to_frame(event_x);
if (_pressed_button != 1) {
return false;
}
switch (_mouse_state) {
case Pressed: // Clicked
switch (trackview.editor.current_midi_edit_mode()) {
case MidiEditSelect:
case MidiEditResize:
clear_selection();
break;
case MidiEditPencil:
create_note_at(event_x, event_y, _default_note_length);
default: break;
}
_mouse_state = None;
break;
case SelectRectDragging: // Select drag done
_mouse_state = None;
delete drag_rect;
drag_rect = NULL;
break;
case AddDragging: // Add drag done
_mouse_state = None;
if (drag_rect->property_x2() > drag_rect->property_x1() + 2) {
const double x = drag_rect->property_x1();
const double length = trackview.editor.pixel_to_frame(
drag_rect->property_x2() - drag_rect->property_x1());
create_note_at(x, drag_rect->property_y1(), length);
}
delete drag_rect;
drag_rect = NULL;
default: break;
}
default: break;
}
return false;
}
/** Add a note to the model, and the view, at a canvas (click) coordinate */
void
MidiRegionView::create_note_at(double x, double y, double length)
{
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
MidiStreamView* const view = mtv->midi_view();
double note = midi_stream_view()->y_to_note(y);
assert(note >= 0.0);
assert(note <= 127.0);
nframes64_t new_note_time = trackview.editor.pixel_to_frame (x);
assert(new_note_time >= 0);
new_note_time += _region->start();
/*
const Meter& m = trackview.session().tempo_map().meter_at(new_note_time);
const Tempo& t = trackview.session().tempo_map().tempo_at(new_note_time);
double length = m.frames_per_bar(t, trackview.session().frame_rate()) / m.beats_per_bar();
*/
// we need to snap here again in nframes64_t in order to be sample accurate
// since note time is region-absolute but snap_to_frame expects position-relative
// time we have to coordinate transform back and forth here.
nframes64_t new_note_time_position_relative = new_note_time - _region->start();
new_note_time = snap_to_frame(new_note_time_position_relative) + _region->start();
// we need to snap the length too to be sample accurate
nframes64_t new_note_length = nframes_t(length);
new_note_length = snap_to_frame(new_note_time_position_relative + new_note_length) + _region->start()
- new_note_time;
const boost::shared_ptr<Evoral::Note> new_note(new Evoral::Note(
0, new_note_time, new_note_length, (uint8_t)note, 0x40));
view->update_note_range(new_note->note());
MidiModel::DeltaCommand* cmd = _model->new_delta_command("add note");
cmd->add(new_note);
_model->apply_command(trackview.session(), cmd);
}
void
MidiRegionView::clear_events()
{
clear_selection();
MidiGhostRegion* gr;
for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
gr->clear_events();
}
}
for (Events::iterator i = _events.begin(); i != _events.end(); ++i)
delete *i;
_events.clear();
_pgm_changes.clear();
}
void
MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
{
_model = model;
if (_enable_display)
redisplay_model();
}
void
MidiRegionView::start_delta_command(string name)
{
if (!_delta_command)
_delta_command = _model->new_delta_command(name);
}
void
MidiRegionView::command_add_note(const boost::shared_ptr<Evoral::Note> note, bool selected)
{
if (_delta_command)
_delta_command->add(note);
if (selected)
_marked_for_selection.insert(note);
}
void
MidiRegionView::command_remove_note(ArdourCanvas::CanvasNoteEvent* ev)
{
if (_delta_command && ev->note()) {
_delta_command->remove(ev->note());
}
}
void
MidiRegionView::apply_command()
{
if (!_delta_command) {
return;
}
// Mark all selected notes for selection when model reloads
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
_marked_for_selection.insert((*i)->note());
}
_model->apply_command(trackview.session(), _delta_command);
_delta_command = NULL;
midi_view()->midi_track()->diskstream()->playlist_modified();
_marked_for_selection.clear();
}
void
MidiRegionView::abort_command()
{
delete _delta_command;
_delta_command = NULL;
clear_selection();
}
void
MidiRegionView::redisplay_model()
{
// Don't redisplay the model if we're currently recording and displaying that
if (_active_notes)
return;
if (_model) {
clear_events();
_model->read_lock();
MidiModel::Notes notes = _model->notes();
/*
cerr << endl << _model->midi_source()->name() << " : redisplaying " << notes.size() << " notes:" << endl;
for (MidiModel::Notes::iterator i = notes.begin(); i != notes.end(); ++i) {
cerr << "NOTE time: " << (*i)->time()
<< " pitch: " << int((*i)->note())
<< " length: " << (*i)->length()
<< " end-time: " << (*i)->end_time()
<< " velocity: " << int((*i)->velocity())
<< endl;
}
*/
for (size_t i = 0; i < _model->n_notes(); ++i) {
add_note(_model->note_at(i));
}
find_and_insert_program_change_flags();
// Is this necessary?
/*for (Automatable::Controls::const_iterator i = _model->controls().begin();
i != _model->controls().end(); ++i) {
assert(i->second);
boost::shared_ptr<AutomationTimeAxisView> at
= midi_view()->automation_child(i->second->parameter());
if (!at)
continue;
Gdk::Color col = midi_stream_view()->get_region_color();
boost::shared_ptr<AutomationRegionView> arv;
{
Glib::Mutex::Lock list_lock (i->second->list()->lock());
arv = boost::shared_ptr<AutomationRegionView>(
new AutomationRegionView(at->canvas_display,
*at.get(), _region, i->second->list(),
midi_stream_view()->get_samples_per_unit(), col));
}
arv->set_duration(_region->length(), this);
arv->init(col, true);
_automation_children.insert(std::make_pair(i->second->parameter(), arv));
}*/
_model->read_unlock();
} else {
cerr << "MidiRegionView::redisplay_model called without a model" << endmsg;
}
}
void
MidiRegionView::find_and_insert_program_change_flags()
{
// Draw program change 'flags'
for (Automatable::Controls::iterator control = _model->controls().begin();
control != _model->controls().end(); ++control) {
if (control->first.type() == MidiPgmChangeAutomation) {
Glib::Mutex::Lock list_lock (control->second->list()->lock());
uint8_t channel = control->first.channel();
for (AutomationList::const_iterator event = control->second->list()->begin();
event != control->second->list()->end(); ++event) {
double event_time = (*event)->when;
double program_number = (*event)->value;
//cerr << " got program change on channel " << int(channel) << " time: " << event_time << " number: " << program_number << endl;
// find bank select msb and lsb for the program change
Evoral::Parameter bank_select_msb(MidiCCAutomation, channel, MIDI_CTL_MSB_BANK);
Evoral::Parameter bank_select_lsb(MidiCCAutomation, channel, MIDI_CTL_LSB_BANK);
boost::shared_ptr<Evoral::Control> lsb_control = _model->control(bank_select_lsb);
boost::shared_ptr<Evoral::Control> msb_control = _model->control(bank_select_msb);
boost::shared_ptr<MIDI::Name::MasterDeviceNames> master_device
= MIDI::Name::MidiPatchManager::instance().master_device_by_model(_model_name);
boost::shared_ptr<MIDI::Name::Patch> patch;
if (master_device != 0 && _custom_device_mode != "") {
uint8_t msb = 0;
if (msb_control != 0) {
msb = uint8_t(msb_control->get_float(true, event_time));
}
uint8_t lsb = 0;
if (lsb_control != 0) {
lsb = uint8_t(lsb_control->get_float(true, event_time));
}
cerr << " got msb " << int(msb) << " and lsb " << int(lsb) << " thread_id: " << pthread_self() << endl;
patch = master_device->find_patch(
_custom_device_mode,
channel,
msb,
lsb,
uint8_t(program_number)
);
}
if (patch != 0) {
cerr << " got patch with name " << patch->name() << " number " << patch->number() << endl;
add_pgm_change(event_time, patch->name());
} else {
char buf[4];
snprintf(buf, 4, "%d", int(program_number));
add_pgm_change(event_time, buf);
}
}
break;
} else if (control->first.type() == MidiCCAutomation) {
//cerr << " found CC Automation of channel " << int(control->first.channel()) << " and id " << control->first.id() << endl;
}
}
}
MidiRegionView::~MidiRegionView ()
{
in_destructor = true;
RegionViewGoingAway (this); /* EMIT_SIGNAL */
if (_active_notes) {
end_write();
}
_selection.clear();
clear_events();
delete _note_group;
delete _delta_command;
}
void
MidiRegionView::region_resized (Change what_changed)
{
RegionView::region_resized(what_changed);
if (what_changed & ARDOUR::PositionChanged) {
if (_enable_display)
redisplay_model();
}
}
void
MidiRegionView::reset_width_dependent_items (double pixel_width)
{
RegionView::reset_width_dependent_items(pixel_width);
assert(_pixel_width == pixel_width);
if (_enable_display)
redisplay_model();
}
void
MidiRegionView::set_height (gdouble height)
{
static const double FUDGE = 2;
const double old_height = _height;
RegionView::set_height(height);
_height = height - FUDGE;
apply_note_range(midi_stream_view()->lowest_note(),
midi_stream_view()->highest_note(),
height != old_height + FUDGE);
if (name_text) {
name_text->raise_to_top();
}
}
/** Apply the current note range from the stream view
* by repositioning/hiding notes as necessary
*/
void
MidiRegionView::apply_note_range (uint8_t min, uint8_t max, bool force)
{
if (_enable_display) {
if (!force && _current_range_min == min && _current_range_max == max) {
return;
}
_current_range_min = min;
_current_range_max = max;
for (Events::const_iterator i = _events.begin(); i != _events.end(); ++i) {
CanvasNoteEvent* event = *i;
Item* item = dynamic_cast<Item*>(event);
assert(item);
if (event && event->note()) {
if (event->note()->note() < _current_range_min || event->note()->note() > _current_range_max) {
if (canvas_item_visible(item)) {
item->hide();
}
} else {
if (!canvas_item_visible(item)) {
item->show();
}
event->hide_velocity();
if (CanvasNote* note = dynamic_cast<CanvasNote*>(event)) {
const double y1 = midi_stream_view()->note_to_y(event->note()->note());
const double y2 = y1 + floor(midi_stream_view()->note_height());
note->property_y1() = y1;
note->property_y2() = y2;
} else if (CanvasHit* hit = dynamic_cast<CanvasHit*>(event)) {
double x = trackview.editor.frame_to_pixel((nframes64_t)
event->note()->time() - _region->start());
const double diamond_size = midi_stream_view()->note_height() / 2.0;
double y = midi_stream_view()->note_to_y(event->note()->note())
+ ((diamond_size-2.0) / 4.0);
hit->set_height(diamond_size);
hit->move(x-hit->x1(), y-hit->y1());
hit->show();
}
if (event->selected()) {
event->show_velocity();
}
}
}
}
}
}
GhostRegion*
MidiRegionView::add_ghost (TimeAxisView& tv)
{
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
CanvasNote* note;
assert(rtv);
double unit_position = _region->position () / samples_per_unit;
MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
MidiGhostRegion* ghost;
if (mtv && mtv->midi_view()) {
/* if ghost is inserted into midi track, use a dedicated midi ghost canvas group.
this is because it's nice to have midi notes on top of the note lines and
audio waveforms under it.
*/
ghost = new MidiGhostRegion (*mtv->midi_view(), trackview, unit_position);
}
else {
ghost = new MidiGhostRegion (tv, trackview, unit_position);
}
ghost->set_height ();
ghost->set_duration (_region->length() / samples_per_unit);
ghosts.push_back (ghost);
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if ((note = dynamic_cast<CanvasNote*>(*i)) != 0) {
ghost->add_note(note);
}
}
ghost->GoingAway.connect (mem_fun(*this, &MidiRegionView::remove_ghost));
return ghost;
}
/** Begin tracking note state for successive calls to add_event
*/
void
MidiRegionView::begin_write()
{
assert(!_active_notes);
_active_notes = new CanvasNote*[128];
for (unsigned i=0; i < 128; ++i) {
_active_notes[i] = NULL;
}
}
/** Destroy note state for add_event
*/
void
MidiRegionView::end_write()
{
delete[] _active_notes;
_active_notes = NULL;
_marked_for_selection.clear();
}
/** Resolve an active MIDI note (while recording).
*/
void
MidiRegionView::resolve_note(uint8_t note, double end_time)
{
if (midi_view()->note_mode() != Sustained)
return;
if (_active_notes && _active_notes[note]) {
_active_notes[note]->property_x2() = trackview.editor.frame_to_pixel((nframes64_t)end_time);
_active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
_active_notes[note] = NULL;
}
}
/** Extend active notes to rightmost edge of region (if length is changed)
*/
void
MidiRegionView::extend_active_notes()
{
if (!_active_notes) {
return;
}
for (unsigned i=0; i < 128; ++i) {
if (_active_notes[i]) {
_active_notes[i]->property_x2() = trackview.editor.frame_to_pixel(_region->length());
}
}
}
/** Add a MIDI note to the view (with length).
*
* If in sustained mode, notes with length 0 will be considered active
* notes, and resolve_note should be called when the corresponding note off
* event arrives, to properly display the note.
*/
void
MidiRegionView::add_note(const boost::shared_ptr<Evoral::Note> note)
{
assert(note->time() >= 0);
assert(midi_view()->note_mode() == Sustained || midi_view()->note_mode() == Percussive);
// dont display notes beyond the region bounds
if ( note->time() - _region->start() >= _region->length() ||
note->time() < _region->start() ||
note->note() < midi_stream_view()->lowest_note() ||
note->note() > midi_stream_view()->highest_note() ) {
return;
}
ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
CanvasNoteEvent* event = 0;
const double x = trackview.editor.frame_to_pixel((nframes64_t)note->time() - _region->start());
if (midi_view()->note_mode() == Sustained) {
const double y1 = midi_stream_view()->note_to_y(note->note());
const double note_endpixel =
trackview.editor.frame_to_pixel((nframes64_t)note->end_time() - _region->start());
CanvasNote* ev_rect = new CanvasNote(*this, *group, note);
ev_rect->property_x1() = x;
ev_rect->property_y1() = y1;
if (note->length() > 0)
ev_rect->property_x2() = note_endpixel;
else
ev_rect->property_x2() = trackview.editor.frame_to_pixel(_region->length());
ev_rect->property_y2() = y1 + floor(midi_stream_view()->note_height());
if (note->length() == 0) {
if (_active_notes) {
assert(note->note() < 128);
// If this note is already active there's a stuck note,
// finish the old note rectangle
if (_active_notes[note->note()]) {
CanvasNote* const old_rect = _active_notes[note->note()];
boost::shared_ptr<Evoral::Note> old_note = old_rect->note();
cerr << "MidiModel: WARNING: Note has length 0: chan " << old_note->channel()
<< "note " << (int)old_note->note() << " @ " << old_note->time() << endl;
/* FIXME: How large to make it? Make it a diamond? */
old_rect->property_x2() = old_rect->property_x1() + 2.0;
old_rect->property_outline_what() = (guint32) 0xF;
}
_active_notes[note->note()] = ev_rect;
}
/* outline all but right edge */
ev_rect->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
} else {
/* outline all edges */
ev_rect->property_outline_what() = (guint32) 0xF;
}
ev_rect->show();
_events.push_back(ev_rect);
event = ev_rect;
MidiGhostRegion* gr;
for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
gr->add_note(ev_rect);
}
}
} else if (midi_view()->note_mode() == Percussive) {
//cerr << "MRV::add_note percussive " << note->note() << " @ " << note->time()
// << " .. " << note->end_time() << endl;
const double diamond_size = midi_stream_view()->note_height() / 2.0;
const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
CanvasHit* ev_diamond = new CanvasHit(*this, *group, diamond_size, note);
ev_diamond->move(x, y);
ev_diamond->show();
_events.push_back(ev_diamond);
event = ev_diamond;
} else {
event = 0;
}
if (event) {
if (_marked_for_selection.find(note) != _marked_for_selection.end()) {
note_selected(event, true);
}
event->on_channel_selection_change(_last_channel_selection);
}
}
void
MidiRegionView::add_pgm_change(nframes_t time, string displaytext)
{
assert(time >= 0);
// dont display program changes beyond the region bounds
if (time - _region->start() >= _region->length() || time < _region->start())
return;
ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
const double x = trackview.editor.frame_to_pixel((nframes64_t)time - _region->start());
double height = midi_stream_view()->contents_height();
_pgm_changes.push_back(
boost::shared_ptr<CanvasProgramChange>(
new CanvasProgramChange(*this, *group, displaytext, height, x, 1.0)));
}
void
MidiRegionView::delete_selection()
{
assert(_delta_command);
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->selected()) {
_delta_command->remove((*i)->note());
}
}
_selection.clear();
}
void
MidiRegionView::clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev)
{
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->selected() && (*i) != ev) {
(*i)->selected(false);
}
}
_selection.clear();
}
void
MidiRegionView::unique_select(ArdourCanvas::CanvasNoteEvent* ev)
{
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i) != ev) {
(*i)->selected(false);
}
}
_selection.clear();
_selection.insert(ev);
if ( ! ev->selected()) {
ev->selected(true);
}
}
void
MidiRegionView::note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add)
{
if ( ! add) {
clear_selection_except(ev);
}
_selection.insert(ev);
if ( ! ev->selected()) {
ev->selected(true);
}
}
void
MidiRegionView::note_deselected(ArdourCanvas::CanvasNoteEvent* ev, bool add)
{
if ( ! add) {
clear_selection_except(ev);
}
_selection.erase(ev);
if (ev->selected()) {
ev->selected(false);
}
}
void
MidiRegionView::update_drag_selection(double x1, double x2, double y1, double y2)
{
const double last_y = std::min(y1, y2);
const double y = std::max(y1, y2);
// TODO: Make this faster by storing the last updated selection rect, and only
// adjusting things that are in the area that appears/disappeared.
// We probably need a tree to be able to find events in O(log(n)) time.
#ifndef NDEBUG
double last_x1 = 0.0;
#endif
if (x1 < x2) {
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
#ifndef NDEBUG
// Events should always be sorted by increasing x1() here
assert((*i)->x1() >= last_x1);
last_x1 = (*i)->x1();
#endif
// Inside rectangle
if ((*i)->x1() >= x1 && (*i)->x1() <= x2 && (*i)->y1() >= last_y && (*i)->y1() <= y) {
if (!(*i)->selected()) {
(*i)->selected(true);
_selection.insert(*i);
}
// Not inside rectangle
} else if ((*i)->selected()) {
(*i)->selected(false);
_selection.erase(*i);
}
}
} else {
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
#ifndef NDEBUG
// Events should always be sorted by increasing x1() here
assert((*i)->x1() >= last_x1);
last_x1 = (*i)->x1();
#endif
// Inside rectangle
if ((*i)->x2() <= x1 && (*i)->x2() >= x2 && (*i)->y1() >= last_y && (*i)->y1() <= y) {
if (!(*i)->selected()) {
(*i)->selected(true);
_selection.insert(*i);
}
// Not inside rectangle
} else if ((*i)->selected()) {
(*i)->selected(false);
_selection.erase(*i);
}
}
}
}
void
MidiRegionView::move_selection(double dx, double dy)
{
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
(*i)->move_event(dx, dy);
}
void
MidiRegionView::note_dropped(CanvasNoteEvent* ev, double dt, uint8_t dnote)
{
// TODO: This would be faster/nicer with a MoveCommand that doesn't need to copy...
if (_selection.find(ev) != _selection.end()) {
uint8_t lowest_note_in_selection = midi_stream_view()->lowest_note();
uint8_t highest_note_in_selection = midi_stream_view()->highest_note();
uint8_t highest_note_difference = 0;
// find highest and lowest notes first
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
uint8_t pitch = (*i)->note()->note();
lowest_note_in_selection = std::min(lowest_note_in_selection, pitch);
highest_note_in_selection = std::max(highest_note_in_selection, pitch);
}
/*
cerr << "dnote: " << (int) dnote << endl;
cerr << "lowest note (streamview): " << int(midi_stream_view()->lowest_note())
<< " highest note (streamview): " << int(midi_stream_view()->highest_note()) << endl;
cerr << "lowest note (selection): " << int(lowest_note_in_selection) << " highest note(selection): "
<< int(highest_note_in_selection) << endl;
cerr << "selection size: " << _selection.size() << endl;
cerr << "Highest note in selection: " << (int) highest_note_in_selection << endl;
*/
// Make sure the note pitch does not exceed the MIDI standard range
if (dnote <= 127 && (highest_note_in_selection + dnote > 127)) {
highest_note_difference = highest_note_in_selection - 127;
}
start_delta_command(_("move notes"));
for (Selection::iterator i = _selection.begin(); i != _selection.end() ; ) {
Selection::iterator next = i;
++next;
const boost::shared_ptr<Evoral::Note> copy(new Evoral::Note(*(*i)->note().get()));
// we need to snap here again in nframes64_t in order to be sample accurate
double new_note_time = (*i)->note()->time();
new_note_time += dt;
// keep notes inside region if dragged beyond left region bound
if (new_note_time < _region->start()) {
new_note_time = _region->start();
}
// since note time is region-absolute but snap_to_frame expects position-relative
// time we have to coordinate transform back and forth here.
new_note_time = snap_to_frame(nframes64_t(new_note_time) - _region->start()) + _region->start();
copy->set_time(new_note_time);
uint8_t original_pitch = (*i)->note()->note();
uint8_t new_pitch = original_pitch + dnote - highest_note_difference;
// keep notes in standard midi range
clamp_0_to_127(new_pitch);
//notes which are dragged beyond the standard midi range snap back to their original place
if ((original_pitch != 0 && new_pitch == 0) || (original_pitch != 127 && new_pitch == 127)) {
new_pitch = original_pitch;
}
lowest_note_in_selection = std::min(lowest_note_in_selection, new_pitch);
highest_note_in_selection = std::max(highest_note_in_selection, new_pitch);
copy->set_note(new_pitch);
command_remove_note(*i);
command_add_note(copy, true);
i = next;
}
apply_command();
// care about notes being moved beyond the upper/lower bounds on the canvas
if (lowest_note_in_selection < midi_stream_view()->lowest_note() ||
highest_note_in_selection > midi_stream_view()->highest_note()) {
midi_stream_view()->set_note_range(MidiStreamView::ContentsRange);
}
}
}
nframes64_t
MidiRegionView::snap_to_frame(double x)
{
PublicEditor &editor = trackview.editor;
// x is region relative
// convert x to global frame
nframes64_t frame = editor.pixel_to_frame(x) + _region->position();
editor.snap_to(frame);
// convert event_frame back to local coordinates relative to position
frame -= _region->position();
return frame;
}
nframes64_t
MidiRegionView::snap_to_frame(nframes64_t x)
{
PublicEditor &editor = trackview.editor;
// x is region relative
// convert x to global frame
nframes64_t frame = x + _region->position();
editor.snap_to(frame);
// convert event_frame back to local coordinates relative to position
frame -= _region->position();
return frame;
}
double
MidiRegionView::snap_to_pixel(double x)
{
return (double) trackview.editor.frame_to_pixel(snap_to_frame(x));
}
double
MidiRegionView::get_position_pixels(void)
{
nframes64_t region_frame = get_position();
return trackview.editor.frame_to_pixel(region_frame);
}
void
MidiRegionView::begin_resizing(CanvasNote::NoteEnd note_end)
{
_resize_data.clear();
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
CanvasNote *note = dynamic_cast<CanvasNote *> (*i);
// only insert CanvasNotes into the map
if (note) {
NoteResizeData *resize_data = new NoteResizeData();
resize_data->canvas_note = note;
// create a new SimpleRect from the note which will be the resize preview
SimpleRect *resize_rect =
new SimpleRect(
*group,
note->x1(),
note->y1(),
note->x2(),
note->y2());
// calculate the colors: get the color settings
uint32_t fill_color =
UINT_RGBA_CHANGE_A(
ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get(),
128);
// make the resize preview notes more transparent and bright
fill_color = UINT_INTERPOLATE(fill_color, 0xFFFFFF40, 0.5);
// calculate color based on note velocity
resize_rect->property_fill_color_rgba() =
UINT_INTERPOLATE(
note_fill_color(note->note()->velocity()),
fill_color,
0.85);
resize_rect->property_outline_color_rgba() =
ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get();
resize_data->resize_rect = resize_rect;
if (note_end == CanvasNote::NOTE_ON) {
resize_data->current_x = note->x1();
} else { // NOTE_OFF
resize_data->current_x = note->x2();
}
_resize_data.push_back(resize_data);
}
}
}
void
MidiRegionView::update_resizing(CanvasNote::NoteEnd note_end, double x, bool relative)
{
for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
SimpleRect *resize_rect = (*i)->resize_rect;
CanvasNote *canvas_note = (*i)->canvas_note;
const double region_start = get_position_pixels();
if (relative) {
(*i)->current_x = (*i)->current_x + x;
} else {
// x is in track relative, transform it to region relative
(*i)->current_x = x - region_start;
}
double current_x = (*i)->current_x;
if (note_end == CanvasNote::NOTE_ON) {
resize_rect->property_x1() = snap_to_pixel(current_x);
resize_rect->property_x2() = canvas_note->x2();
} else {
resize_rect->property_x2() = snap_to_pixel(current_x);
resize_rect->property_x1() = canvas_note->x1();
}
}
}
void
MidiRegionView::commit_resizing(CanvasNote::NoteEnd note_end, double event_x, bool relative)
{
start_delta_command(_("resize notes"));
for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
CanvasNote* canvas_note = (*i)->canvas_note;
SimpleRect* resize_rect = (*i)->resize_rect;
double current_x = (*i)->current_x;
const double position = get_position_pixels();
if (!relative) {
// event_x is in track relative, transform it to region relative
current_x = event_x - position;
}
// because snapping works on world coordinates we have to transform current_x
// to world coordinates before snapping and transform it back afterwards
nframes64_t current_frame = snap_to_frame(current_x);
// transform to region start relative
current_frame += _region->start();
const boost::shared_ptr<Evoral::Note> copy(new Evoral::Note(*(canvas_note->note().get())));
// resize beginning of note
if (note_end == CanvasNote::NOTE_ON && current_frame < copy->end_time()) {
command_remove_note(canvas_note);
copy->on_event().time() = current_frame;
command_add_note(copy, _selection.find(canvas_note) != _selection.end());
}
// resize end of note
if (note_end == CanvasNote::NOTE_OFF && current_frame > copy->time()) {
command_remove_note(canvas_note);
copy->off_event().time() = current_frame;
command_add_note(copy, _selection.find(canvas_note) != _selection.end());
}
delete resize_rect;
delete (*i);
}
_resize_data.clear();
apply_command();
}
void
MidiRegionView::change_velocity(uint8_t velocity, bool relative)
{
start_delta_command(_("change velocity"));
for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
Selection::iterator next = i;
++next;
CanvasNoteEvent *event = *i;
const boost::shared_ptr<Evoral::Note> copy(new Evoral::Note(*(event->note().get())));
if (relative) {
uint8_t new_velocity = copy->velocity() + velocity;
clamp_0_to_127(new_velocity);
copy->set_velocity(new_velocity);
} else { // absolute
copy->set_velocity(velocity);
}
command_remove_note(event);
command_add_note(copy, true);
i = next;
}
apply_command();
}
void
MidiRegionView::change_channel(uint8_t channel)
{
start_delta_command(_("change channel"));
for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
Selection::iterator next = i;
++next;
CanvasNoteEvent *event = *i;
const boost::shared_ptr<Evoral::Note> copy(new Evoral::Note(*(event->note().get())));
copy->set_channel(channel);
command_remove_note(event);
command_add_note(copy, true);
i = next;
}
apply_command();
}
void
MidiRegionView::note_entered(ArdourCanvas::CanvasNoteEvent* ev)
{
if (ev->note() && _mouse_state == EraseTouchDragging) {
start_delta_command(_("note entered"));
ev->selected(true);
_delta_command->remove(ev->note());
} else if (_mouse_state == SelectTouchDragging) {
note_selected(ev, true);
}
}
void
MidiRegionView::switch_source(boost::shared_ptr<Source> src)
{
boost::shared_ptr<MidiSource> msrc = boost::dynamic_pointer_cast<MidiSource>(src);
if (msrc)
display_model(msrc->model());
}
void
MidiRegionView::set_frame_color()
{
if (frame) {
if (_selected && should_show_selection) {
frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
} else {
frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiFrameBase.get();
}
}
}
void
MidiRegionView::midi_channel_mode_changed(ChannelMode mode, uint16_t mask)
{
switch (mode) {
case AllChannels:
case FilterChannels:
_force_channel = -1;
break;
case ForceChannel:
_force_channel = mask;
mask = 0xFFFF; // Show all notes as active (below)
};
// Update notes for selection
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
(*i)->on_channel_selection_change(mask);
}
_last_channel_selection = mask;
}
void
MidiRegionView::midi_patch_settings_changed(std::string model, std::string custom_device_mode)
{
_model_name = model;
_custom_device_mode = custom_device_mode;
redisplay_model();
}
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