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livetrax/gtk2_ardour/midi_region_view.cc
David Robillard 49b7a46805 Fix potential memory errors with note player. 
Seems unlikely, but if the event firing stuff is off, it could trigger the
issue (#5502) and/or a possible memory leak.
2014-12-24 16:54:38 -05:00

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/*
Copyright (C) 2001-2011 Paul Davis
Author: David 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 <algorithm>
#include <ostream>
#include <gtkmm.h>
#include "gtkmm2ext/gtk_ui.h"
#include <sigc++/signal.h>
#include "midi++/midnam_patch.h"
#include "pbd/memento_command.h"
#include "pbd/stateful_diff_command.h"
#include "ardour/midi_model.h"
#include "ardour/midi_region.h"
#include "ardour/midi_source.h"
#include "ardour/midi_track.h"
#include "ardour/operations.h"
#include "ardour/session.h"
#include "evoral/Parameter.hpp"
#include "evoral/MIDIEvent.hpp"
#include "evoral/Control.hpp"
#include "evoral/midi_util.h"
#include "canvas/debug.h"
#include "canvas/text.h"
#include "automation_region_view.h"
#include "automation_time_axis.h"
#include "control_point.h"
#include "debug.h"
#include "editor.h"
#include "editor_drag.h"
#include "ghostregion.h"
#include "gui_thread.h"
#include "item_counts.h"
#include "keyboard.h"
#include "midi_channel_dialog.h"
#include "midi_cut_buffer.h"
#include "midi_list_editor.h"
#include "midi_region_view.h"
#include "midi_streamview.h"
#include "midi_time_axis.h"
#include "midi_util.h"
#include "midi_velocity_dialog.h"
#include "mouse_cursors.h"
#include "note_player.h"
#include "paste_context.h"
#include "public_editor.h"
#include "route_time_axis.h"
#include "rgb_macros.h"
#include "selection.h"
#include "streamview.h"
#include "patch_change_dialog.h"
#include "verbose_cursor.h"
#include "ardour_ui.h"
#include "note.h"
#include "hit.h"
#include "patch_change.h"
#include "sys_ex.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace std;
using Gtkmm2ext::Keyboard;
PBD::Signal1<void, MidiRegionView *> MidiRegionView::SelectionCleared;
#define MIDI_BP_ZERO ((Config->get_first_midi_bank_is_zero())?0:1)
MidiRegionView::MidiRegionView (ArdourCanvas::Container* parent,
RouteTimeAxisView& tv,
boost::shared_ptr<MidiRegion> r,
double spu,
uint32_t basic_color)
: RegionView (parent, tv, r, spu, basic_color)
, _current_range_min(0)
, _current_range_max(0)
, _region_relative_time_converter(r->session().tempo_map(), r->position())
, _source_relative_time_converter(r->session().tempo_map(), r->position() - r->start())
, _active_notes(0)
, _note_group (new ArdourCanvas::Container (group))
, _note_diff_command (0)
, _ghost_note(0)
, _step_edit_cursor (0)
, _step_edit_cursor_width (1.0)
, _step_edit_cursor_position (0.0)
, _channel_selection_scoped_note (0)
, _temporary_note_group (0)
, _mouse_state(None)
, _pressed_button(0)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
, _no_sound_notes (false)
, _last_event_x (0)
, _last_event_y (0)
, _grabbed_keyboard (false)
, _entered (false)
{
CANVAS_DEBUG_NAME (_note_group, string_compose ("note group for %1", get_item_name()));
_note_group->raise_to_top();
PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&MidiRegionView::parameter_changed, this, _1), gui_context());
connect_to_diskstream ();
SelectionCleared.connect (_selection_cleared_connection, invalidator (*this), boost::bind (&MidiRegionView::selection_cleared, this, _1), gui_context ());
PublicEditor& editor (trackview.editor());
editor.get_selection().ClearMidiNoteSelection.connect (_clear_midi_selection_connection, invalidator (*this), boost::bind (&MidiRegionView::clear_midi_selection, this), gui_context ());
}
MidiRegionView::MidiRegionView (ArdourCanvas::Container* parent,
RouteTimeAxisView& tv,
boost::shared_ptr<MidiRegion> r,
double spu,
uint32_t basic_color,
bool recording,
TimeAxisViewItem::Visibility visibility)
: RegionView (parent, tv, r, spu, basic_color, recording, visibility)
, _current_range_min(0)
, _current_range_max(0)
, _region_relative_time_converter(r->session().tempo_map(), r->position())
, _source_relative_time_converter(r->session().tempo_map(), r->position() - r->start())
, _active_notes(0)
, _note_group (new ArdourCanvas::Container (parent))
, _note_diff_command (0)
, _ghost_note(0)
, _step_edit_cursor (0)
, _step_edit_cursor_width (1.0)
, _step_edit_cursor_position (0.0)
, _channel_selection_scoped_note (0)
, _temporary_note_group (0)
, _mouse_state(None)
, _pressed_button(0)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
, _no_sound_notes (false)
, _last_event_x (0)
, _last_event_y (0)
, _grabbed_keyboard (false)
, _entered (false)
{
CANVAS_DEBUG_NAME (_note_group, string_compose ("note group for %1", get_item_name()));
_note_group->raise_to_top();
PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
connect_to_diskstream ();
SelectionCleared.connect (_selection_cleared_connection, invalidator (*this), boost::bind (&MidiRegionView::selection_cleared, this, _1), gui_context ());
PublicEditor& editor (trackview.editor());
editor.get_selection().ClearMidiNoteSelection.connect (_clear_midi_selection_connection, invalidator (*this), boost::bind (&MidiRegionView::clear_midi_selection, this), gui_context ());
}
void
MidiRegionView::parameter_changed (std::string const & p)
{
if (p == "display-first-midi-bank-as-zero") {
if (_enable_display) {
redisplay_model();
}
}
}
MidiRegionView::MidiRegionView (const MidiRegionView& other)
: sigc::trackable(other)
, RegionView (other)
, _current_range_min(0)
, _current_range_max(0)
, _region_relative_time_converter(other.region_relative_time_converter())
, _source_relative_time_converter(other.source_relative_time_converter())
, _active_notes(0)
, _note_group (new ArdourCanvas::Container (get_canvas_group()))
, _note_diff_command (0)
, _ghost_note(0)
, _step_edit_cursor (0)
, _step_edit_cursor_width (1.0)
, _step_edit_cursor_position (0.0)
, _channel_selection_scoped_note (0)
, _temporary_note_group (0)
, _mouse_state(None)
, _pressed_button(0)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
, _no_sound_notes (false)
, _last_event_x (0)
, _last_event_y (0)
, _grabbed_keyboard (false)
, _entered (false)
{
init (false);
}
MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<MidiRegion> region)
: RegionView (other, boost::shared_ptr<Region> (region))
, _current_range_min(0)
, _current_range_max(0)
, _region_relative_time_converter(other.region_relative_time_converter())
, _source_relative_time_converter(other.source_relative_time_converter())
, _active_notes(0)
, _note_group (new ArdourCanvas::Container (get_canvas_group()))
, _note_diff_command (0)
, _ghost_note(0)
, _step_edit_cursor (0)
, _step_edit_cursor_width (1.0)
, _step_edit_cursor_position (0.0)
, _channel_selection_scoped_note (0)
, _temporary_note_group (0)
, _mouse_state(None)
, _pressed_button(0)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
, _no_sound_notes (false)
, _last_event_x (0)
, _last_event_y (0)
, _grabbed_keyboard (false)
, _entered (false)
{
init (true);
}
void
MidiRegionView::init (bool wfd)
{
PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
NoteBase::NoteBaseDeleted.connect (note_delete_connection, MISSING_INVALIDATOR,
boost::bind (&MidiRegionView::maybe_remove_deleted_note_from_selection, this, _1),
gui_context());
if (wfd) {
Glib::Threads::Mutex::Lock lm(midi_region()->midi_source(0)->mutex());
midi_region()->midi_source(0)->load_model(lm);
}
_model = midi_region()->midi_source(0)->model();
_enable_display = false;
fill_color_name = "midi frame base";
RegionView::init (false);
set_height (trackview.current_height());
region_muted ();
region_sync_changed ();
region_resized (ARDOUR::bounds_change);
region_locked ();
set_colors ();
_enable_display = true;
if (_model) {
if (wfd) {
display_model (_model);
}
}
reset_width_dependent_items (_pixel_width);
group->raise_to_top();
midi_view()->midi_track()->PlaybackChannelModeChanged.connect (_channel_mode_changed_connection, invalidator (*this),
boost::bind (&MidiRegionView::midi_channel_mode_changed, this),
gui_context ());
instrument_info().Changed.connect (_instrument_changed_connection, invalidator (*this),
boost::bind (&MidiRegionView::instrument_settings_changed, this), gui_context());
trackview.editor().SnapChanged.connect(snap_changed_connection, invalidator(*this),
boost::bind (&MidiRegionView::snap_changed, this),
gui_context());
trackview.editor().MouseModeChanged.connect(_mouse_mode_connection, invalidator (*this),
boost::bind (&MidiRegionView::mouse_mode_changed, this),
gui_context ());
Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&MidiRegionView::parameter_changed, this, _1), gui_context());
connect_to_diskstream ();
SelectionCleared.connect (_selection_cleared_connection, invalidator (*this), boost::bind (&MidiRegionView::selection_cleared, this, _1), gui_context ());
PublicEditor& editor (trackview.editor());
editor.get_selection().ClearMidiNoteSelection.connect (_clear_midi_selection_connection, invalidator (*this), boost::bind (&MidiRegionView::clear_midi_selection, this), gui_context ());
}
InstrumentInfo&
MidiRegionView::instrument_info () const
{
RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
return route_ui->route()->instrument_info();
}
const boost::shared_ptr<ARDOUR::MidiRegion>
MidiRegionView::midi_region() const
{
return boost::dynamic_pointer_cast<ARDOUR::MidiRegion>(_region);
}
void
MidiRegionView::connect_to_diskstream ()
{
midi_view()->midi_track()->DataRecorded.connect(
*this, invalidator(*this),
boost::bind (&MidiRegionView::data_recorded, this, _1),
gui_context());
}
bool
MidiRegionView::canvas_group_event(GdkEvent* ev)
{
if (in_destructor || _recregion) {
return false;
}
if (!trackview.editor().internal_editing()) {
// not in internal edit mode, so just act like a normal region
return RegionView::canvas_group_event (ev);
}
bool r;
switch (ev->type) {
case GDK_ENTER_NOTIFY:
_last_event_x = ev->crossing.x;
_last_event_y = ev->crossing.y;
enter_notify(&ev->crossing);
// set entered_regionview (among other things)
return RegionView::canvas_group_event (ev);
case GDK_LEAVE_NOTIFY:
_last_event_x = ev->crossing.x;
_last_event_y = ev->crossing.y;
leave_notify(&ev->crossing);
// reset entered_regionview (among other things)
return RegionView::canvas_group_event (ev);
case GDK_SCROLL:
if (scroll (&ev->scroll)) {
return true;
}
break;
case GDK_KEY_PRESS:
return key_press (&ev->key);
case GDK_KEY_RELEASE:
return key_release (&ev->key);
case GDK_BUTTON_PRESS:
return button_press (&ev->button);
case GDK_BUTTON_RELEASE:
r = button_release (&ev->button);
_note_player.reset();
return r;
case GDK_MOTION_NOTIFY:
_last_event_x = ev->motion.x;
_last_event_y = ev->motion.y;
return motion (&ev->motion);
default:
break;
}
return RegionView::canvas_group_event (ev);
}
bool
MidiRegionView::enter_notify (GdkEventCrossing* ev)
{
enter_internal();
_entered = true;
return false;
}
bool
MidiRegionView::leave_notify (GdkEventCrossing*)
{
leave_internal();
_entered = false;
return false;
}
void
MidiRegionView::mouse_mode_changed ()
{
// Adjust frame colour (become more transparent for internal tools)
set_frame_color();
if (_entered) {
if (trackview.editor().internal_editing()) {
// Switched in to internal editing mode while entered
enter_internal();
} else {
// Switched out of internal editing mode while entered
leave_internal();
}
}
}
void
MidiRegionView::enter_internal()
{
if (trackview.editor().current_mouse_mode() == MouseDraw && _mouse_state != AddDragging) {
// Show ghost note under pencil
create_ghost_note(_last_event_x, _last_event_y);
}
if (!_selection.empty()) {
// Grab keyboard for moving selected notes with arrow keys
Keyboard::magic_widget_grab_focus();
_grabbed_keyboard = true;
}
}
void
MidiRegionView::leave_internal()
{
trackview.editor().verbose_cursor()->hide ();
remove_ghost_note ();
if (_grabbed_keyboard) {
Keyboard::magic_widget_drop_focus();
_grabbed_keyboard = false;
}
}
bool
MidiRegionView::button_press (GdkEventButton* ev)
{
if (ev->button != 1) {
return false;
}
Editor* editor = dynamic_cast<Editor *> (&trackview.editor());
MouseMode m = editor->current_mouse_mode();
if (m == MouseContent && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())) {
_press_cursor_ctx = CursorContext::create(*editor, editor->cursors()->midi_pencil);
}
if (_mouse_state != SelectTouchDragging) {
_pressed_button = ev->button;
_mouse_state = Pressed;
return true;
}
_pressed_button = ev->button;
return true;
}
bool
MidiRegionView::button_release (GdkEventButton* ev)
{
double event_x, event_y;
if (ev->button != 1) {
return false;
}
event_x = ev->x;
event_y = ev->y;
group->canvas_to_item (event_x, event_y);
group->ungrab ();
PublicEditor& editor = trackview.editor ();
_press_cursor_ctx.reset();
switch (_mouse_state) {
case Pressed: // Clicked
switch (editor.current_mouse_mode()) {
case MouseRange:
/* no motion occured - simple click */
clear_selection ();
break;
case MouseContent:
case MouseTimeFX:
{
clear_selection();
if (Keyboard::is_insert_note_event(ev)) {
double event_x, event_y;
event_x = ev->x;
event_y = ev->y;
group->canvas_to_item (event_x, event_y);
Evoral::MusicalTime beats = get_grid_beats(editor.pixel_to_sample(event_x));
/* Shorten the length by 1 tick so that we can add a new note at the next
grid snap without it overlapping this one.
*/
beats -= Evoral::MusicalTime::tick();
create_note_at (editor.pixel_to_sample (event_x), event_y, beats, true);
}
break;
}
case MouseDraw:
{
Evoral::MusicalTime beats = get_grid_beats(editor.pixel_to_sample(event_x));
/* Shorten the length by 1 tick so that we can add a new note at the next
grid snap without it overlapping this one.
*/
beats -= Evoral::MusicalTime::tick();
create_note_at (editor.pixel_to_sample (event_x), event_y, beats, true);
break;
}
default:
break;
}
_mouse_state = None;
break;
case SelectRectDragging:
case AddDragging:
editor.drags()->end_grab ((GdkEvent *) ev);
_mouse_state = None;
create_ghost_note (ev->x, ev->y);
break;
default:
break;
}
return false;
}
bool
MidiRegionView::motion (GdkEventMotion* ev)
{
PublicEditor& editor = trackview.editor ();
if (!_ghost_note && editor.current_mouse_mode() == MouseContent &&
Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier()) &&
_mouse_state != AddDragging) {
create_ghost_note (ev->x, ev->y);
} else if (_ghost_note && editor.current_mouse_mode() == MouseContent &&
Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())) {
update_ghost_note (ev->x, ev->y);
} else if (_ghost_note && editor.current_mouse_mode() == MouseContent) {
remove_ghost_note ();
editor.verbose_cursor()->hide ();
} else if (_ghost_note && editor.current_mouse_mode() == MouseDraw) {
update_ghost_note (ev->x, ev->y);
}
/* any motion immediately hides velocity text that may have been visible */
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
(*i)->hide_velocity ();
}
switch (_mouse_state) {
case Pressed:
if (_pressed_button == 1) {
MouseMode m = editor.current_mouse_mode();
if (m == MouseDraw || (m == MouseContent && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier()))) {
editor.drags()->set (new NoteCreateDrag (dynamic_cast<Editor *> (&editor), group, this), (GdkEvent *) ev);
_mouse_state = AddDragging;
remove_ghost_note ();
editor.verbose_cursor()->hide ();
return true;
} else if (m == MouseContent) {
editor.drags()->set (new MidiRubberbandSelectDrag (dynamic_cast<Editor *> (&editor), this), (GdkEvent *) ev);
if (!Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
clear_selection ();
}
_mouse_state = SelectRectDragging;
return true;
} else if (m == MouseRange) {
editor.drags()->set (new MidiVerticalSelectDrag (dynamic_cast<Editor *> (&editor), this), (GdkEvent *) ev);
_mouse_state = SelectVerticalDragging;
return true;
}
}
return false;
case SelectRectDragging:
case SelectVerticalDragging:
case AddDragging:
editor.drags()->motion_handler ((GdkEvent *) ev, false);
break;
case SelectTouchDragging:
return false;
default:
break;
}
/* we may be dragging some non-note object (eg. patch-change, sysex)
*/
return editor.drags()->motion_handler ((GdkEvent *) ev, false);
}
bool
MidiRegionView::scroll (GdkEventScroll* ev)
{
if (_selection.empty()) {
return false;
}
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
/* XXX: bit of a hack; allow PrimaryModifier scroll through so that
it still works for zoom.
*/
return false;
}
trackview.editor().verbose_cursor()->hide ();
bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
bool together = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
if (ev->direction == GDK_SCROLL_UP) {
change_velocities (true, fine, false, together);
} else if (ev->direction == GDK_SCROLL_DOWN) {
change_velocities (false, fine, false, together);
} else {
/* left, right: we don't use them */
return false;
}
return true;
}
bool
MidiRegionView::key_press (GdkEventKey* ev)
{
/* since GTK bindings are generally activated on press, and since
detectable auto-repeat is the name of the game and only sends
repeated presses, carry out key actions at key press, not release.
*/
bool unmodified = Keyboard::no_modifier_keys_pressed (ev);
if (unmodified && (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R)) {
_mouse_state = SelectTouchDragging;
return true;
} else if (ev->keyval == GDK_Escape && unmodified) {
clear_selection();
_mouse_state = None;
} else if (unmodified && (ev->keyval == GDK_comma || ev->keyval == GDK_period)) {
bool start = (ev->keyval == GDK_comma);
bool end = (ev->keyval == GDK_period);
bool shorter = Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier);
bool fine = Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
change_note_lengths (fine, shorter, Evoral::MusicalTime(), start, end);
return true;
} else if ((ev->keyval == GDK_BackSpace || ev->keyval == GDK_Delete) && unmodified) {
if (_selection.empty()) {
return false;
}
delete_selection();
return true;
} else if (ev->keyval == GDK_Tab) {
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
goto_previous_note (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier));
} else {
goto_next_note (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier));
}
return true;
} else if (ev->keyval == GDK_ISO_Left_Tab) {
/* Shift-TAB generates ISO Left Tab, for some reason */
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
goto_previous_note (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier));
} else {
goto_next_note (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier));
}
return true;
} else if (ev->keyval == GDK_Up) {
bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
bool together = Keyboard::modifier_state_contains (ev->state, Keyboard::Level4Modifier);
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
change_velocities (true, fine, allow_smush, together);
} else {
transpose (true, fine, allow_smush);
}
return true;
} else if (ev->keyval == GDK_Down) {
bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
bool together = Keyboard::modifier_state_contains (ev->state, Keyboard::Level4Modifier);
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
change_velocities (false, fine, allow_smush, together);
} else {
transpose (false, fine, allow_smush);
}
return true;
} else if (ev->keyval == GDK_Left) {
bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
nudge_notes (false, fine);
return true;
} else if (ev->keyval == GDK_Right) {
bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
nudge_notes (true, fine);
return true;
} else if (ev->keyval == GDK_c && unmodified) {
channel_edit ();
return true;
} else if (ev->keyval == GDK_v && unmodified) {
velocity_edit ();
return true;
}
return false;
}
bool
MidiRegionView::key_release (GdkEventKey* ev)
{
if ((_mouse_state == SelectTouchDragging) && (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R)) {
_mouse_state = None;
return true;
}
return false;
}
void
MidiRegionView::channel_edit ()
{
if (_selection.empty()) {
return;
}
/* pick a note somewhat at random (since Selection is a set<>) to
* provide the "current" channel for the dialog.
*/
uint8_t current_channel = (*_selection.begin())->note()->channel ();
MidiChannelDialog channel_dialog (current_channel);
int ret = channel_dialog.run ();
switch (ret) {
case Gtk::RESPONSE_OK:
break;
default:
return;
}
uint8_t new_channel = channel_dialog.active_channel ();
start_note_diff_command (_("channel edit"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
Selection::iterator next = i;
++next;
change_note_channel (*i, new_channel);
i = next;
}
apply_diff ();
}
void
MidiRegionView::velocity_edit ()
{
if (_selection.empty()) {
return;
}
/* pick a note somewhat at random (since Selection is a set<>) to
* provide the "current" velocity for the dialog.
*/
uint8_t current_velocity = (*_selection.begin())->note()->velocity ();
MidiVelocityDialog velocity_dialog (current_velocity);
int ret = velocity_dialog.run ();
switch (ret) {
case Gtk::RESPONSE_OK:
break;
default:
return;
}
uint8_t new_velocity = velocity_dialog.velocity ();
start_note_diff_command (_("velocity edit"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
Selection::iterator next = i;
++next;
change_note_velocity (*i, new_velocity, false);
i = next;
}
apply_diff ();
}
void
MidiRegionView::show_list_editor ()
{
if (!_list_editor) {
_list_editor = new MidiListEditor (trackview.session(), midi_region(), midi_view()->midi_track());
}
_list_editor->present ();
}
/** Add a note to the model, and the view, at a canvas (click) coordinate.
* \param t time in frames relative to the position of the region
* \param y vertical position in pixels
* \param length duration of the note in beats
* \param snap_t true to snap t to the grid, otherwise false.
*/
void
MidiRegionView::create_note_at (framepos_t t, double y, Evoral::MusicalTime length, bool snap_t)
{
if (length < 2 * DBL_EPSILON) {
return;
}
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
MidiStreamView* const view = mtv->midi_view();
const double note = view->y_to_note(y);
// Start of note in frames relative to region start
if (snap_t) {
framecnt_t grid_frames;
t = snap_frame_to_grid_underneath (t, grid_frames);
}
const boost::shared_ptr<NoteType> new_note (
new NoteType (mtv->get_channel_for_add (),
region_frames_to_region_beats(t + _region->start()),
length,
(uint8_t)note, 0x40));
if (_model->contains (new_note)) {
return;
}
view->update_note_range(new_note->note());
MidiModel::NoteDiffCommand* cmd = _model->new_note_diff_command(_("add note"));
cmd->add (new_note);
_model->apply_command(*trackview.session(), cmd);
play_midi_note (new_note);
}
void
MidiRegionView::clear_events (bool with_selection_signal)
{
clear_selection (with_selection_signal);
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();
_patch_changes.clear();
_sys_exes.clear();
_optimization_iterator = _events.end();
}
void
MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
{
_model = model;
content_connection.disconnect ();
_model->ContentsChanged.connect (content_connection, invalidator (*this), boost::bind (&MidiRegionView::redisplay_model, this), gui_context());
clear_events ();
if (_enable_display) {
redisplay_model();
}
}
void
MidiRegionView::start_note_diff_command (string name)
{
if (!_note_diff_command) {
_note_diff_command = _model->new_note_diff_command (name);
}
}
void
MidiRegionView::note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity)
{
if (_note_diff_command) {
_note_diff_command->add (note);
}
if (selected) {
_marked_for_selection.insert(note);
}
if (show_velocity) {
_marked_for_velocity.insert(note);
}
}
void
MidiRegionView::note_diff_remove_note (NoteBase* ev)
{
if (_note_diff_command && ev->note()) {
_note_diff_command->remove(ev->note());
}
}
void
MidiRegionView::note_diff_add_change (NoteBase* ev,
MidiModel::NoteDiffCommand::Property property,
uint8_t val)
{
if (_note_diff_command) {
_note_diff_command->change (ev->note(), property, val);
}
}
void
MidiRegionView::note_diff_add_change (NoteBase* ev,
MidiModel::NoteDiffCommand::Property property,
Evoral::MusicalTime val)
{
if (_note_diff_command) {
_note_diff_command->change (ev->note(), property, val);
}
}
void
MidiRegionView::apply_diff (bool as_subcommand)
{
bool add_or_remove;
if (!_note_diff_command) {
return;
}
if ((add_or_remove = _note_diff_command->adds_or_removes())) {
// 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());
}
}
if (as_subcommand) {
_model->apply_command_as_subcommand (*trackview.session(), _note_diff_command);
} else {
_model->apply_command (*trackview.session(), _note_diff_command);
}
_note_diff_command = 0;
midi_view()->midi_track()->playlist_modified();
if (add_or_remove) {
_marked_for_selection.clear();
}
_marked_for_velocity.clear();
}
void
MidiRegionView::abort_command()
{
delete _note_diff_command;
_note_diff_command = 0;
clear_selection();
}
NoteBase*
MidiRegionView::find_canvas_note (boost::shared_ptr<NoteType> note)
{
if (_optimization_iterator != _events.end()) {
++_optimization_iterator;
}
if (_optimization_iterator != _events.end() && (*_optimization_iterator)->note() == note) {
return *_optimization_iterator;
}
for (_optimization_iterator = _events.begin(); _optimization_iterator != _events.end(); ++_optimization_iterator) {
if ((*_optimization_iterator)->note() == note) {
return *_optimization_iterator;
}
}
return 0;
}
void
MidiRegionView::get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask)
{
MidiModel::Notes notes;
_model->get_notes (notes, op, val, chan_mask);
for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
NoteBase* cne = find_canvas_note (*n);
if (cne) {
e.push_back (cne);
}
}
}
void
MidiRegionView::redisplay_model()
{
// Don't redisplay the model if we're currently recording and displaying that
if (_active_notes) {
return;
}
if (!_model) {
return;
}
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
(*i)->invalidate ();
}
MidiModel::ReadLock lock(_model->read_lock());
MidiModel::Notes& notes (_model->notes());
_optimization_iterator = _events.begin();
bool empty_when_starting = _events.empty();
for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
boost::shared_ptr<NoteType> note (*n);
NoteBase* cne;
bool visible;
if (note_in_region_range (note, visible)) {
if (!empty_when_starting && (cne = find_canvas_note (note)) != 0) {
cne->validate ();
Note* cn;
Hit* ch;
if ((cn = dynamic_cast<Note*>(cne)) != 0) {
update_note (cn);
} else if ((ch = dynamic_cast<Hit*>(cne)) != 0) {
update_hit (ch);
}
if (visible) {
cne->show ();
} else {
cne->hide ();
}
} else {
add_note (note, visible);
}
} else {
if (!empty_when_starting && (cne = find_canvas_note (note)) != 0) {
cne->validate ();
cne->hide ();
}
}
}
/* remove note items that are no longer valid */
if (!empty_when_starting) {
for (Events::iterator i = _events.begin(); i != _events.end(); ) {
if (!(*i)->valid ()) {
for (vector<GhostRegion*>::iterator j = ghosts.begin(); j != ghosts.end(); ++j) {
MidiGhostRegion* gr = dynamic_cast<MidiGhostRegion*> (*j);
if (gr) {
gr->remove_note (*i);
}
}
delete *i;
i = _events.erase (i);
} else {
++i;
}
}
}
_patch_changes.clear();
_sys_exes.clear();
display_sysexes();
display_patch_changes ();
_marked_for_selection.clear ();
_marked_for_velocity.clear ();
/* we may have caused _events to contain things out of order (e.g. if a note
moved earlier or later). we don't generally need them in time order, but
make a note that a sort is required for those cases that require it.
*/
_sort_needed = true;
}
void
MidiRegionView::display_patch_changes ()
{
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
uint16_t chn_mask = mtv->midi_track()->get_playback_channel_mask();
for (uint8_t i = 0; i < 16; ++i) {
display_patch_changes_on_channel (i, chn_mask & (1 << i));
}
}
/** @param active_channel true to display patch changes fully, false to display
* them `greyed-out' (as on an inactive channel)
*/
void
MidiRegionView::display_patch_changes_on_channel (uint8_t channel, bool active_channel)
{
for (MidiModel::PatchChanges::const_iterator i = _model->patch_changes().begin(); i != _model->patch_changes().end(); ++i) {
if ((*i)->channel() != channel) {
continue;
}
const string patch_name = instrument_info().get_patch_name ((*i)->bank(), (*i)->program(), channel);
add_canvas_patch_change (*i, patch_name, active_channel);
}
}
void
MidiRegionView::display_sysexes()
{
bool have_periodic_system_messages = false;
bool display_periodic_messages = true;
if (!ARDOUR_UI::config()->get_never_display_periodic_midi()) {
for (MidiModel::SysExes::const_iterator i = _model->sysexes().begin(); i != _model->sysexes().end(); ++i) {
const boost::shared_ptr<const Evoral::MIDIEvent<Evoral::MusicalTime> > mev =
boost::static_pointer_cast<const Evoral::MIDIEvent<Evoral::MusicalTime> > (*i);
if (mev) {
if (mev->is_spp() || mev->is_mtc_quarter() || mev->is_mtc_full()) {
have_periodic_system_messages = true;
break;
}
}
}
if (have_periodic_system_messages) {
double zoom = trackview.editor().get_current_zoom (); // frames per pixel
/* get an approximate value for the number of samples per video frame */
double video_frame = trackview.session()->frame_rate() * (1.0/30);
/* if we are zoomed out beyond than the cutoff (i.e. more
* frames per pixel than frames per 4 video frames), don't
* show periodic sysex messages.
*/
if (zoom > (video_frame*4)) {
display_periodic_messages = false;
}
}
} else {
display_periodic_messages = false;
}
for (MidiModel::SysExes::const_iterator i = _model->sysexes().begin(); i != _model->sysexes().end(); ++i) {
const boost::shared_ptr<const Evoral::MIDIEvent<Evoral::MusicalTime> > mev =
boost::static_pointer_cast<const Evoral::MIDIEvent<Evoral::MusicalTime> > (*i);
Evoral::MusicalTime time = (*i)->time();
if (mev) {
if (mev->is_spp() || mev->is_mtc_quarter() || mev->is_mtc_full()) {
if (!display_periodic_messages) {
continue;
}
}
}
ostringstream str;
str << hex;
for (uint32_t b = 0; b < (*i)->size(); ++b) {
str << int((*i)->buffer()[b]);
if (b != (*i)->size() -1) {
str << " ";
}
}
string text = str.str();
const double x = trackview.editor().sample_to_pixel(source_beats_to_region_frames(time));
double height = midi_stream_view()->contents_height();
// CAIROCANVAS: no longer passing *i (the sysex event) to the
// SysEx canvas object!!!
boost::shared_ptr<SysEx> sysex = boost::shared_ptr<SysEx>(
new SysEx (*this, _note_group, text, height, x, 1.0));
// Show unless message is beyond the region bounds
if (time - _region->start() >= _region->length() || time < _region->start()) {
sysex->hide();
} else {
sysex->show();
}
_sys_exes.push_back(sysex);
}
}
MidiRegionView::~MidiRegionView ()
{
in_destructor = true;
trackview.editor().verbose_cursor()->hide ();
note_delete_connection.disconnect ();
delete _list_editor;
RegionViewGoingAway (this); /* EMIT_SIGNAL */
if (_active_notes) {
end_write();
}
_selection_cleared_connection.disconnect ();
_selection.clear();
clear_events (false);
delete _note_group;
delete _note_diff_command;
delete _step_edit_cursor;
delete _temporary_note_group;
}
void
MidiRegionView::region_resized (const PropertyChange& what_changed)
{
RegionView::region_resized(what_changed);
if (what_changed.contains (ARDOUR::Properties::position)) {
_region_relative_time_converter.set_origin_b(_region->position());
set_duration(_region->length(), 0);
if (_enable_display) {
redisplay_model();
}
}
if (what_changed.contains (ARDOUR::Properties::start) ||
what_changed.contains (ARDOUR::Properties::position)) {
_source_relative_time_converter.set_origin_b (_region->position() - _region->start());
}
}
void
MidiRegionView::reset_width_dependent_items (double pixel_width)
{
RegionView::reset_width_dependent_items(pixel_width);
if (_enable_display) {
redisplay_model();
}
for (PatchChanges::iterator x = _patch_changes.begin(); x != _patch_changes.end(); ++x) {
if ((*x)->canvas_item()->width() >= _pixel_width) {
(*x)->hide();
} else {
(*x)->show();
}
}
move_step_edit_cursor (_step_edit_cursor_position);
set_step_edit_cursor_width (_step_edit_cursor_width);
}
void
MidiRegionView::set_height (double height)
{
double old_height = _height;
RegionView::set_height(height);
apply_note_range (midi_stream_view()->lowest_note(),
midi_stream_view()->highest_note(),
height != old_height);
if (name_text) {
name_text->raise_to_top();
}
for (PatchChanges::iterator x = _patch_changes.begin(); x != _patch_changes.end(); ++x) {
(*x)->set_height (midi_stream_view()->contents_height());
}
if (_step_edit_cursor) {
_step_edit_cursor->set_y1 (midi_stream_view()->contents_height());
}
}
/** 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) {
return;
}
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) {
NoteBase* event = *i;
boost::shared_ptr<NoteType> note (event->note());
if (note->note() < _current_range_min ||
note->note() > _current_range_max) {
event->hide();
} else {
event->show();
}
if (Note* cnote = dynamic_cast<Note*>(event)) {
const double y0 = 1. + floor (midi_stream_view()->note_to_y(note->note()));
const double y1 = y0 + std::max(1., floor(midi_stream_view()->note_height()) - 1.);
cnote->set_y0 (y0);
cnote->set_y1 (y1);
} else if (Hit* chit = dynamic_cast<Hit*>(event)) {
update_hit (chit);
}
}
}
GhostRegion*
MidiRegionView::add_ghost (TimeAxisView& tv)
{
Note* note;
double unit_position = _region->position () / samples_per_pixel;
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
to allow having midi notes on top of note lines and waveforms.
*/
ghost = new MidiGhostRegion (*mtv->midi_view(), trackview, unit_position);
} else {
ghost = new MidiGhostRegion (tv, trackview, unit_position);
}
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if ((note = dynamic_cast<Note*>(*i)) != 0) {
ghost->add_note(note);
}
}
ghost->set_height ();
ghost->set_duration (_region->length() / samples_per_pixel);
ghosts.push_back (ghost);
GhostRegion::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&RegionView::remove_ghost, this, _1), gui_context());
return ghost;
}
/** Begin tracking note state for successive calls to add_event
*/
void
MidiRegionView::begin_write()
{
if (_active_notes) {
delete[] _active_notes;
}
_active_notes = new Note*[128];
for (unsigned i = 0; i < 128; ++i) {
_active_notes[i] = 0;
}
}
/** Destroy note state for add_event
*/
void
MidiRegionView::end_write()
{
delete[] _active_notes;
_active_notes = 0;
_marked_for_selection.clear();
_marked_for_velocity.clear();
}
/** Resolve an active MIDI note (while recording).
*/
void
MidiRegionView::resolve_note(uint8_t note, Evoral::MusicalTime end_time)
{
if (midi_view()->note_mode() != Sustained) {
return;
}
if (_active_notes && _active_notes[note]) {
/* XXX is end_time really region-centric? I think so, because
this is a new region that we're recording, so source zero is
the same as region zero
*/
const framepos_t end_time_frames = region_beats_to_region_frames(end_time);
_active_notes[note]->set_x1 (trackview.editor().sample_to_pixel(end_time_frames));
_active_notes[note]->set_outline_all ();
_active_notes[note] = 0;
}
}
/** 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]->set_x1(
trackview.editor().sample_to_pixel(_region->position() + _region->length()));
}
}
}
void
MidiRegionView::play_midi_note(boost::shared_ptr<NoteType> note)
{
if (_no_sound_notes || !ARDOUR_UI::config()->get_sound_midi_notes()) {
return;
}
RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
if (!route_ui || !route_ui->midi_track()) {
return;
}
NotePlayer* np = new NotePlayer (route_ui->midi_track ());
np->add (note);
np->play ();
/* NotePlayer deletes itself */
}
void
MidiRegionView::start_playing_midi_note(boost::shared_ptr<NoteType> note)
{
const std::vector< boost::shared_ptr<NoteType> > notes(1, note);
start_playing_midi_chord(notes);
}
void
MidiRegionView::start_playing_midi_chord (vector<boost::shared_ptr<NoteType> > notes)
{
if (_no_sound_notes || !ARDOUR_UI::config()->get_sound_midi_notes()) {
return;
}
RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
if (!route_ui || !route_ui->midi_track()) {
return;
}
_note_player = boost::shared_ptr<NotePlayer>(new NotePlayer(route_ui->midi_track()));
for (vector<boost::shared_ptr<NoteType> >::iterator n = notes.begin(); n != notes.end(); ++n) {
_note_player->add (*n);
}
_note_player->on ();
}
bool
MidiRegionView::note_in_region_range (const boost::shared_ptr<NoteType> note, bool& visible) const
{
const framepos_t note_start_frames = source_beats_to_region_frames (note->time());
bool outside = (note_start_frames < 0) || (note_start_frames > _region->last_frame());
visible = (note->note() >= midi_stream_view()->lowest_note()) &&
(note->note() <= midi_stream_view()->highest_note());
return !outside;
}
/** Update a canvas note's size from its model note.
* @param ev Canvas note to update.
* @param update_ghost_regions true to update the note in any ghost regions that we have, otherwise false.
*/
void
MidiRegionView::update_note (Note* ev, bool update_ghost_regions)
{
boost::shared_ptr<NoteType> note = ev->note();
const double x = trackview.editor().sample_to_pixel (source_beats_to_region_frames (note->time()));
const double y0 = 1 + floor(midi_stream_view()->note_to_y(note->note()));
ev->set_x0 (x);
ev->set_y0 (y0);
/* trim note display to not overlap the end of its region */
if (note->length() > 0) {
const framepos_t note_end_frames = min (source_beats_to_region_frames (note->end_time()), _region->length());
ev->set_x1 (trackview.editor().sample_to_pixel (note_end_frames));
} else {
ev->set_x1 (trackview.editor().sample_to_pixel (_region->length()));
}
ev->set_y1 (y0 + std::max(1., floor(midi_stream_view()->note_height()) - 1));
if (!note->length()) {
if (_active_notes && note->note() < 128) {
// If this note is already active there's a stuck note,
// finish the old note rectangle
if (_active_notes[note->note()]) {
Note* const old_rect = _active_notes[note->note()];
boost::shared_ptr<NoteType> old_note = old_rect->note();
old_rect->set_x1 (x);
old_rect->set_outline_all ();
}
_active_notes[note->note()] = ev;
}
/* outline all but right edge */
ev->set_outline_what (ArdourCanvas::Rectangle::What (
ArdourCanvas::Rectangle::TOP|
ArdourCanvas::Rectangle::LEFT|
ArdourCanvas::Rectangle::BOTTOM));
} else {
/* outline all edges */
ev->set_outline_all ();
}
if (update_ghost_regions) {
for (std::vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
MidiGhostRegion* gr = dynamic_cast<MidiGhostRegion*> (*i);
if (gr) {
gr->update_note (ev);
}
}
}
}
void
MidiRegionView::update_hit (Hit* ev)
{
boost::shared_ptr<NoteType> note = ev->note();
const framepos_t note_start_frames = source_beats_to_region_frames(note->time());
const double x = trackview.editor().sample_to_pixel(note_start_frames);
const double diamond_size = std::max(1., floor(midi_stream_view()->note_height()) - 2.);
const double y = 1.5 + floor(midi_stream_view()->note_to_y(note->note())) + diamond_size * .5;
ev->set_position (ArdourCanvas::Duple (x, y));
ev->set_height (diamond_size);
}
/** 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<NoteType> note, bool visible)
{
NoteBase* event = 0;
if (midi_view()->note_mode() == Sustained) {
Note* ev_rect = new Note (*this, _note_group, note);
update_note (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) {
const double diamond_size = std::max(1., floor(midi_stream_view()->note_height()) - 2.);
Hit* ev_diamond = new Hit (*this, _note_group, diamond_size, note);
update_hit (ev_diamond);
event = ev_diamond;
} else {
event = 0;
}
if (event) {
if (_marked_for_selection.find(note) != _marked_for_selection.end()) {
note_selected(event, true);
}
if (_marked_for_velocity.find(note) != _marked_for_velocity.end()) {
event->show_velocity();
}
event->on_channel_selection_change (get_selected_channels());
_events.push_back(event);
if (visible) {
event->show();
} else {
event->hide ();
}
}
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
MidiStreamView* const view = mtv->midi_view();
view->update_note_range (note->note());
}
void
MidiRegionView::step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
Evoral::MusicalTime pos, Evoral::MusicalTime len)
{
boost::shared_ptr<NoteType> new_note (new NoteType (channel, pos, len, number, velocity));
/* potentially extend region to hold new note */
framepos_t end_frame = source_beats_to_absolute_frames (new_note->end_time());
framepos_t region_end = _region->last_frame();
if (end_frame > region_end) {
_region->set_length (end_frame - _region->position());
}
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
MidiStreamView* const view = mtv->midi_view();
view->update_note_range(new_note->note());
_marked_for_selection.clear ();
clear_selection ();
start_note_diff_command (_("step add"));
note_diff_add_note (new_note, true, false);
apply_diff();
// last_step_edit_note = new_note;
}
void
MidiRegionView::step_sustain (Evoral::MusicalTime beats)
{
change_note_lengths (false, false, beats, false, true);
}
/** Add a new patch change flag to the canvas.
* @param patch the patch change to add
* @param the text to display in the flag
* @param active_channel true to display the flag as on an active channel, false to grey it out for an inactive channel.
*/
void
MidiRegionView::add_canvas_patch_change (MidiModel::PatchChangePtr patch, const string& displaytext, bool /*active_channel*/)
{
framecnt_t region_frames = source_beats_to_region_frames (patch->time());
const double x = trackview.editor().sample_to_pixel (region_frames);
double const height = midi_stream_view()->contents_height();
// CAIROCANVAS: active_channel info removed from PatcChange constructor
// so we need to do something more sophisticated to keep its color
// appearance (MidiPatchChangeFill/MidiPatchChangeInactiveChannelFill)
// up to date.
boost::shared_ptr<PatchChange> patch_change = boost::shared_ptr<PatchChange>(
new PatchChange(*this, group,
displaytext,
height,
x, 1.0,
instrument_info(),
patch));
if (patch_change->item().width() < _pixel_width) {
// Show unless patch change is beyond the region bounds
if (region_frames < 0 || region_frames >= _region->length()) {
patch_change->hide();
} else {
patch_change->show();
}
} else {
patch_change->hide ();
}
_patch_changes.push_back (patch_change);
}
MIDI::Name::PatchPrimaryKey
MidiRegionView::patch_change_to_patch_key (MidiModel::PatchChangePtr p)
{
return MIDI::Name::PatchPrimaryKey (p->program(), p->bank());
}
/// Return true iff @p pc applies to the given time on the given channel.
static bool
patch_applies (const ARDOUR::MidiModel::constPatchChangePtr pc, Evoral::MusicalTime time, uint8_t channel)
{
return pc->time() <= time && pc->channel() == channel;
}
void
MidiRegionView::get_patch_key_at (Evoral::MusicalTime time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key) const
{
// The earliest event not before time
MidiModel::PatchChanges::iterator i = _model->patch_change_lower_bound (time);
// Go backwards until we find the latest PC for this channel, or the start
while (i != _model->patch_changes().begin() &&
(i == _model->patch_changes().end() ||
!patch_applies(*i, time, channel))) {
--i;
}
if (i != _model->patch_changes().end() && patch_applies(*i, time, channel)) {
key.set_bank((*i)->bank());
key.set_program((*i)->program ());
} else {
key.set_bank(0);
key.set_program(0);
}
}
void
MidiRegionView::change_patch_change (PatchChange& pc, const MIDI::Name::PatchPrimaryKey& new_patch)
{
MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
if (pc.patch()->program() != new_patch.program()) {
c->change_program (pc.patch (), new_patch.program());
}
int const new_bank = new_patch.bank();
if (pc.patch()->bank() != new_bank) {
c->change_bank (pc.patch (), new_bank);
}
_model->apply_command (*trackview.session(), c);
_patch_changes.clear ();
display_patch_changes ();
}
void
MidiRegionView::change_patch_change (MidiModel::PatchChangePtr old_change, const Evoral::PatchChange<Evoral::MusicalTime> & new_change)
{
MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
if (old_change->time() != new_change.time()) {
c->change_time (old_change, new_change.time());
}
if (old_change->channel() != new_change.channel()) {
c->change_channel (old_change, new_change.channel());
}
if (old_change->program() != new_change.program()) {
c->change_program (old_change, new_change.program());
}
if (old_change->bank() != new_change.bank()) {
c->change_bank (old_change, new_change.bank());
}
_model->apply_command (*trackview.session(), c);
_patch_changes.clear ();
display_patch_changes ();
}
/** Add a patch change to the region.
* @param t Time in frames relative to region position
* @param patch Patch to add; time and channel are ignored (time is converted from t, and channel comes from
* MidiTimeAxisView::get_channel_for_add())
*/
void
MidiRegionView::add_patch_change (framecnt_t t, Evoral::PatchChange<Evoral::MusicalTime> const & patch)
{
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("add patch change"));
c->add (MidiModel::PatchChangePtr (
new Evoral::PatchChange<Evoral::MusicalTime> (
absolute_frames_to_source_beats (_region->position() + t),
mtv->get_channel_for_add(), patch.program(), patch.bank()
)
)
);
_model->apply_command (*trackview.session(), c);
_patch_changes.clear ();
display_patch_changes ();
}
void
MidiRegionView::move_patch_change (PatchChange& pc, Evoral::MusicalTime t)
{
MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("move patch change"));
c->change_time (pc.patch (), t);
_model->apply_command (*trackview.session(), c);
_patch_changes.clear ();
display_patch_changes ();
}
void
MidiRegionView::delete_patch_change (PatchChange* pc)
{
MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("delete patch change"));
c->remove (pc->patch ());
_model->apply_command (*trackview.session(), c);
_patch_changes.clear ();
display_patch_changes ();
}
void
MidiRegionView::step_patch (PatchChange& patch, bool bank, int delta)
{
MIDI::Name::PatchPrimaryKey key = patch_change_to_patch_key(patch.patch());
if (bank) {
key.set_bank(key.bank() + delta);
} else {
key.set_program(key.program() + delta);
}
change_patch_change(patch, key);
}
void
MidiRegionView::maybe_remove_deleted_note_from_selection (NoteBase* cne)
{
if (_selection.empty()) {
return;
}
_selection.erase (cne);
}
void
MidiRegionView::delete_selection()
{
if (_selection.empty()) {
return;
}
start_note_diff_command (_("delete selection"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->selected()) {
_note_diff_command->remove((*i)->note());
}
}
_selection.clear();
apply_diff ();
}
void
MidiRegionView::delete_note (boost::shared_ptr<NoteType> n)
{
start_note_diff_command (_("delete note"));
_note_diff_command->remove (n);
apply_diff ();
trackview.editor().verbose_cursor()->hide ();
}
void
MidiRegionView::clear_selection_except (NoteBase* ev, bool signal)
{
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
if ((*i) != ev) {
Selection::iterator tmp = i;
++tmp;
(*i)->set_selected (false);
(*i)->hide_velocity ();
_selection.erase (i);
i = tmp;
} else {
++i;
}
}
if (!ev && _entered) {
// Clearing selection entirely, ungrab keyboard
Keyboard::magic_widget_drop_focus();
_grabbed_keyboard = false;
}
/* this does not change the status of this regionview w.r.t the editor
selection.
*/
if (signal) {
SelectionCleared (this); /* EMIT SIGNAL */
}
}
void
MidiRegionView::unique_select(NoteBase* ev)
{
const bool selection_was_empty = _selection.empty();
clear_selection_except (ev);
/* don't bother with checking to see if we should remove this
regionview from the editor selection, since we're about to add
another note, and thus put/keep this regionview in the editor
selection anyway.
*/
if (!ev->selected()) {
add_to_selection (ev);
if (selection_was_empty && _entered) {
// Grab keyboard for moving notes with arrow keys
Keyboard::magic_widget_grab_focus();
_grabbed_keyboard = true;
}
}
}
void
MidiRegionView::select_all_notes ()
{
clear_selection ();
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
add_to_selection (*i);
}
}
void
MidiRegionView::select_range (framepos_t start, framepos_t end)
{
clear_selection ();
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
framepos_t t = source_beats_to_absolute_frames((*i)->note()->time());
if (t >= start && t <= end) {
add_to_selection (*i);
}
}
}
void
MidiRegionView::invert_selection ()
{
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if ((*i)->selected()) {
remove_from_selection(*i);
} else {
add_to_selection (*i);
}
}
}
void
MidiRegionView::select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend)
{
bool have_selection = !_selection.empty();
uint8_t low_note = 127;
uint8_t high_note = 0;
MidiModel::Notes& notes (_model->notes());
_optimization_iterator = _events.begin();
if (extend && !have_selection) {
extend = false;
}
/* scan existing selection to get note range */
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->note()->note() < low_note) {
low_note = (*i)->note()->note();
}
if ((*i)->note()->note() > high_note) {
high_note = (*i)->note()->note();
}
}
if (!add) {
clear_selection ();
if (!extend && (low_note == high_note) && (high_note == notenum)) {
/* only note previously selected is the one we are
* reselecting. treat this as cancelling the selection.
*/
return;
}
}
if (extend) {
low_note = min (low_note, notenum);
high_note = max (high_note, notenum);
}
_no_sound_notes = true;
for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
boost::shared_ptr<NoteType> note (*n);
NoteBase* cne;
bool select = false;
if (((1 << note->channel()) & channel_mask) != 0) {
if (extend) {
if ((note->note() >= low_note && note->note() <= high_note)) {
select = true;
}
} else if (note->note() == notenum) {
select = true;
}
}
if (select) {
if ((cne = find_canvas_note (note)) != 0) {
// extend is false because we've taken care of it,
// since it extends by time range, not pitch.
note_selected (cne, add, false);
}
}
add = true; // we need to add all remaining matching notes, even if the passed in value was false (for "set")
}
_no_sound_notes = false;
}
void
MidiRegionView::toggle_matching_notes (uint8_t notenum, uint16_t channel_mask)
{
MidiModel::Notes& notes (_model->notes());
_optimization_iterator = _events.begin();
for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
boost::shared_ptr<NoteType> note (*n);
NoteBase* cne;
if (note->note() == notenum && (((0x0001 << note->channel()) & channel_mask) != 0)) {
if ((cne = find_canvas_note (note)) != 0) {
if (cne->selected()) {
note_deselected (cne);
} else {
note_selected (cne, true, false);
}
}
}
}
}
void
MidiRegionView::note_selected (NoteBase* ev, bool add, bool extend)
{
if (!add) {
clear_selection_except (ev);
if (!_selection.empty()) {
PublicEditor& editor (trackview.editor());
editor.get_selection().add (this);
}
}
if (!extend) {
if (!ev->selected()) {
add_to_selection (ev);
}
} else {
/* find end of latest note selected, select all between that and the start of "ev" */
Evoral::MusicalTime earliest = Evoral::MaxMusicalTime;
Evoral::MusicalTime latest = Evoral::MusicalTime();
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->note()->end_time() > latest) {
latest = (*i)->note()->end_time();
}
if ((*i)->note()->time() < earliest) {
earliest = (*i)->note()->time();
}
}
if (ev->note()->end_time() > latest) {
latest = ev->note()->end_time();
}
if (ev->note()->time() < earliest) {
earliest = ev->note()->time();
}
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
/* find notes entirely within OR spanning the earliest..latest range */
if (((*i)->note()->time() >= earliest && (*i)->note()->end_time() <= latest) ||
((*i)->note()->time() <= earliest && (*i)->note()->end_time() >= latest)) {
add_to_selection (*i);
}
}
}
}
void
MidiRegionView::note_deselected(NoteBase* ev)
{
remove_from_selection (ev);
}
void
MidiRegionView::update_drag_selection(framepos_t start, framepos_t end, double gy0, double gy1, bool extend)
{
PublicEditor& editor = trackview.editor();
// Convert to local coordinates
const framepos_t p = _region->position();
const double y = midi_view()->y_position();
const double x0 = editor.sample_to_pixel(max((framepos_t)0, start - p));
const double x1 = editor.sample_to_pixel(max((framepos_t)0, end - p));
const double y0 = max(0.0, gy0 - y);
const double y1 = max(0.0, gy1 - y);
// 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.
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if ((*i)->x0() < x1 && (*i)->x1() > x0 && (*i)->y0() < y1 && (*i)->y1() > y0) {
// Rectangles intersect
if (!(*i)->selected()) {
add_to_selection (*i);
}
} else if ((*i)->selected() && !extend) {
// Rectangles do not intersect
remove_from_selection (*i);
}
}
typedef RouteTimeAxisView::AutomationTracks ATracks;
typedef std::list<Selectable*> Selectables;
/* Add control points to selection. */
const ATracks& atracks = midi_view()->automation_tracks();
Selectables selectables;
editor.get_selection().clear_points();
for (ATracks::const_iterator a = atracks.begin(); a != atracks.end(); ++a) {
a->second->get_selectables(start, end, gy0, gy1, selectables);
for (Selectables::const_iterator s = selectables.begin(); s != selectables.end(); ++s) {
ControlPoint* cp = dynamic_cast<ControlPoint*>(*s);
if (cp) {
editor.get_selection().add(cp);
}
}
a->second->set_selected_points(editor.get_selection().points);
}
}
void
MidiRegionView::update_vertical_drag_selection (double y1, double y2, bool extend)
{
if (y1 > y2) {
swap (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.
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if (((*i)->y1() >= y1 && (*i)->y1() <= y2)) {
// within y- (note-) range
if (!(*i)->selected()) {
add_to_selection (*i);
}
} else if ((*i)->selected() && !extend) {
remove_from_selection (*i);
}
}
}
void
MidiRegionView::remove_from_selection (NoteBase* ev)
{
Selection::iterator i = _selection.find (ev);
if (i != _selection.end()) {
_selection.erase (i);
if (_selection.empty() && _grabbed_keyboard) {
// Ungrab keyboard
Keyboard::magic_widget_drop_focus();
_grabbed_keyboard = false;
}
}
ev->set_selected (false);
ev->hide_velocity ();
if (_selection.empty()) {
PublicEditor& editor (trackview.editor());
editor.get_selection().remove (this);
}
}
void
MidiRegionView::add_to_selection (NoteBase* ev)
{
const bool selection_was_empty = _selection.empty();
if (_selection.insert (ev).second) {
ev->set_selected (true);
start_playing_midi_note ((ev)->note());
if (selection_was_empty && _entered) {
// Grab keyboard for moving notes with arrow keys
Keyboard::magic_widget_grab_focus();
_grabbed_keyboard = true;
}
}
if (selection_was_empty) {
PublicEditor& editor (trackview.editor());
editor.get_selection().add (this);
}
}
void
MidiRegionView::move_selection(double dx, double dy, double cumulative_dy)
{
typedef vector<boost::shared_ptr<NoteType> > PossibleChord;
PossibleChord to_play;
Evoral::MusicalTime earliest = Evoral::MaxMusicalTime;
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->note()->time() < earliest) {
earliest = (*i)->note()->time();
}
}
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->note()->time() == earliest) {
to_play.push_back ((*i)->note());
}
(*i)->move_event(dx, dy);
}
if (dy && !_selection.empty() && !_no_sound_notes && ARDOUR_UI::config()->get_sound_midi_notes()) {
if (to_play.size() > 1) {
PossibleChord shifted;
for (PossibleChord::iterator n = to_play.begin(); n != to_play.end(); ++n) {
boost::shared_ptr<NoteType> moved_note (new NoteType (**n));
moved_note->set_note (moved_note->note() + cumulative_dy);
shifted.push_back (moved_note);
}
start_playing_midi_chord (shifted);
} else if (!to_play.empty()) {
boost::shared_ptr<NoteType> moved_note (new NoteType (*to_play.front()));
moved_note->set_note (moved_note->note() + cumulative_dy);
start_playing_midi_note (moved_note);
}
}
}
void
MidiRegionView::note_dropped(NoteBase *, frameoffset_t dt, int8_t dnote)
{
uint8_t lowest_note_in_selection = 127;
uint8_t highest_note_in_selection = 0;
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 (highest_note_in_selection + dnote > 127) {
highest_note_difference = highest_note_in_selection - 127;
}
start_note_diff_command (_("move notes"));
for (Selection::iterator i = _selection.begin(); i != _selection.end() ; ++i) {
framepos_t new_frames = source_beats_to_absolute_frames ((*i)->note()->time()) + dt;
Evoral::MusicalTime new_time = absolute_frames_to_source_beats (new_frames);
if (new_time < 0) {
continue;
}
note_diff_add_change (*i, MidiModel::NoteDiffCommand::StartTime, new_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_to_0_127(new_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);
note_diff_add_change (*i, MidiModel::NoteDiffCommand::NoteNumber, new_pitch);
}
apply_diff();
// 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);
}
}
/** @param x Pixel relative to the region position.
* @return Snapped frame relative to the region position.
*/
framepos_t
MidiRegionView::snap_pixel_to_sample(double x)
{
PublicEditor& editor (trackview.editor());
return snap_frame_to_frame (editor.pixel_to_sample (x));
}
/** @param x Pixel relative to the region position.
* @return Snapped pixel relative to the region position.
*/
double
MidiRegionView::snap_to_pixel(double x)
{
return (double) trackview.editor().sample_to_pixel(snap_pixel_to_sample(x));
}
double
MidiRegionView::get_position_pixels()
{
framepos_t region_frame = get_position();
return trackview.editor().sample_to_pixel(region_frame);
}
double
MidiRegionView::get_end_position_pixels()
{
framepos_t frame = get_position() + get_duration ();
return trackview.editor().sample_to_pixel(frame);
}
framepos_t
MidiRegionView::source_beats_to_absolute_frames(Evoral::MusicalTime beats) const
{
/* the time converter will return the frame corresponding to `beats'
relative to the start of the source. The start of the source
is an implied position given by region->position - region->start
*/
const framepos_t source_start = _region->position() - _region->start();
return source_start + _source_relative_time_converter.to (beats);
}
Evoral::MusicalTime
MidiRegionView::absolute_frames_to_source_beats(framepos_t frames) const
{
/* the `frames' argument needs to be converted into a frame count
relative to the start of the source before being passed in to the
converter.
*/
const framepos_t source_start = _region->position() - _region->start();
return _source_relative_time_converter.from (frames - source_start);
}
framepos_t
MidiRegionView::region_beats_to_region_frames(Evoral::MusicalTime beats) const
{
return _region_relative_time_converter.to(beats);
}
Evoral::MusicalTime
MidiRegionView::region_frames_to_region_beats(framepos_t frames) const
{
return _region_relative_time_converter.from(frames);
}
void
MidiRegionView::begin_resizing (bool /*at_front*/)
{
_resize_data.clear();
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
Note *note = dynamic_cast<Note*> (*i);
// only insert CanvasNotes into the map
if (note) {
NoteResizeData *resize_data = new NoteResizeData();
resize_data->note = note;
// create a new SimpleRect from the note which will be the resize preview
ArdourCanvas::Rectangle *resize_rect = new ArdourCanvas::Rectangle (_note_group,
ArdourCanvas::Rect (note->x0(), note->y0(), note->x0(), note->y1()));
// calculate the colors: get the color settings
uint32_t fill_color = UINT_RGBA_CHANGE_A(
ARDOUR_UI::config()->color ("midi note selected"),
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->set_fill_color (UINT_INTERPOLATE(
NoteBase::meter_style_fill_color(note->note()->velocity(), note->selected()),
fill_color,
0.85));
resize_rect->set_outline_color (NoteBase::calculate_outline (
ARDOUR_UI::config()->color ("midi note selected")));
resize_data->resize_rect = resize_rect;
_resize_data.push_back(resize_data);
}
}
}
/** Update resizing notes while user drags.
* @param primary `primary' note for the drag; ie the one that is used as the reference in non-relative mode.
* @param at_front which end of the note (true == note on, false == note off)
* @param delta_x change in mouse position since the start of the drag
* @param relative true if relative resizing is taking place, false if absolute resizing. This only makes
* a difference when multiple notes are being resized; in relative mode, each note's length is changed by the
* amount of the drag. In non-relative mode, all selected notes are set to have the same start or end point
* as the \a primary note.
*/
void
MidiRegionView::update_resizing (NoteBase* primary, bool at_front, double delta_x, bool relative)
{
bool cursor_set = false;
for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
ArdourCanvas::Rectangle* resize_rect = (*i)->resize_rect;
Note* canvas_note = (*i)->note;
double current_x;
if (at_front) {
if (relative) {
current_x = canvas_note->x0() + delta_x;
} else {
current_x = primary->x0() + delta_x;
}
} else {
if (relative) {
current_x = canvas_note->x1() + delta_x;
} else {
current_x = primary->x1() + delta_x;
}
}
if (current_x < 0) {
// This works even with snapping because RegionView::snap_frame_to_frame()
// snaps forward if the snapped sample is before the beginning of the region
current_x = 0;
}
if (current_x > trackview.editor().sample_to_pixel(_region->length())) {
current_x = trackview.editor().sample_to_pixel(_region->length());
}
if (at_front) {
resize_rect->set_x0 (snap_to_pixel(current_x));
resize_rect->set_x1 (canvas_note->x1());
} else {
resize_rect->set_x1 (snap_to_pixel(current_x));
resize_rect->set_x0 (canvas_note->x0());
}
if (!cursor_set) {
const double snapped_x = snap_pixel_to_sample (current_x);
Evoral::MusicalTime beats = region_frames_to_region_beats (snapped_x);
Evoral::MusicalTime len = Evoral::MusicalTime();
if (at_front) {
if (beats < canvas_note->note()->end_time()) {
len = canvas_note->note()->time() - beats;
len += canvas_note->note()->length();
}
} else {
if (beats >= canvas_note->note()->time()) {
len = beats - canvas_note->note()->time();
}
}
char buf[16];
snprintf (buf, sizeof (buf), "%.3g beats", len.to_double());
show_verbose_cursor (buf, 0, 0);
cursor_set = true;
}
}
}
/** Finish resizing notes when the user releases the mouse button.
* Parameters the same as for \a update_resizing().
*/
void
MidiRegionView::commit_resizing (NoteBase* primary, bool at_front, double delta_x, bool relative)
{
start_note_diff_command (_("resize notes"));
for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
Note* canvas_note = (*i)->note;
ArdourCanvas::Rectangle* resize_rect = (*i)->resize_rect;
/* Get the new x position for this resize, which is in pixels relative
* to the region position.
*/
double current_x;
if (at_front) {
if (relative) {
current_x = canvas_note->x0() + delta_x;
} else {
current_x = primary->x0() + delta_x;
}
} else {
if (relative) {
current_x = canvas_note->x1() + delta_x;
} else {
current_x = primary->x1() + delta_x;
}
}
if (current_x < 0) {
current_x = 0;
}
if (current_x > trackview.editor().sample_to_pixel(_region->length())) {
current_x = trackview.editor().sample_to_pixel(_region->length());
}
/* Convert that to a frame within the source */
current_x = snap_pixel_to_sample (current_x) + _region->start ();
/* and then to beats */
const Evoral::MusicalTime x_beats = region_frames_to_region_beats (current_x);
if (at_front && x_beats < canvas_note->note()->end_time()) {
note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::StartTime, x_beats);
Evoral::MusicalTime len = canvas_note->note()->time() - x_beats;
len += canvas_note->note()->length();
if (!!len) {
note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
}
}
if (!at_front) {
const Evoral::MusicalTime len = x_beats - canvas_note->note()->time();
if (!!len) {
/* XXX convert to beats */
note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
}
}
delete resize_rect;
delete (*i);
}
_resize_data.clear();
apply_diff();
}
void
MidiRegionView::abort_resizing ()
{
for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
delete (*i)->resize_rect;
delete *i;
}
_resize_data.clear ();
}
void
MidiRegionView::change_note_velocity(NoteBase* event, int8_t velocity, bool relative)
{
uint8_t new_velocity;
if (relative) {
new_velocity = event->note()->velocity() + velocity;
clamp_to_0_127(new_velocity);
} else {
new_velocity = velocity;
}
event->set_selected (event->selected()); // change color
note_diff_add_change (event, MidiModel::NoteDiffCommand::Velocity, new_velocity);
}
void
MidiRegionView::change_note_note (NoteBase* event, int8_t note, bool relative)
{
uint8_t new_note;
if (relative) {
new_note = event->note()->note() + note;
} else {
new_note = note;
}
clamp_to_0_127 (new_note);
note_diff_add_change (event, MidiModel::NoteDiffCommand::NoteNumber, new_note);
}
void
MidiRegionView::trim_note (NoteBase* event, Evoral::MusicalTime front_delta, Evoral::MusicalTime end_delta)
{
bool change_start = false;
bool change_length = false;
Evoral::MusicalTime new_start;
Evoral::MusicalTime new_length;
/* NOTE: the semantics of the two delta arguments are slightly subtle:
front_delta: if positive - move the start of the note later in time (shortening it)
if negative - move the start of the note earlier in time (lengthening it)
end_delta: if positive - move the end of the note later in time (lengthening it)
if negative - move the end of the note earlier in time (shortening it)
*/
if (!!front_delta) {
if (front_delta < 0) {
if (event->note()->time() < -front_delta) {
new_start = Evoral::MusicalTime();
} else {
new_start = event->note()->time() + front_delta; // moves earlier
}
/* start moved toward zero, so move the end point out to where it used to be.
Note that front_delta is negative, so this increases the length.
*/
new_length = event->note()->length() - front_delta;
change_start = true;
change_length = true;
} else {
Evoral::MusicalTime new_pos = event->note()->time() + front_delta;
if (new_pos < event->note()->end_time()) {
new_start = event->note()->time() + front_delta;
/* start moved toward the end, so move the end point back to where it used to be */
new_length = event->note()->length() - front_delta;
change_start = true;
change_length = true;
}
}
}
if (!!end_delta) {
bool can_change = true;
if (end_delta < 0) {
if (event->note()->length() < -end_delta) {
can_change = false;
}
}
if (can_change) {
new_length = event->note()->length() + end_delta;
change_length = true;
}
}
if (change_start) {
note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_start);
}
if (change_length) {
note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, new_length);
}
}
void
MidiRegionView::change_note_channel (NoteBase* event, int8_t chn, bool relative)
{
uint8_t new_channel;
if (relative) {
if (chn < 0.0) {
if (event->note()->channel() < -chn) {
new_channel = 0;
} else {
new_channel = event->note()->channel() + chn;
}
} else {
new_channel = event->note()->channel() + chn;
}
} else {
new_channel = (uint8_t) chn;
}
note_diff_add_change (event, MidiModel::NoteDiffCommand::Channel, new_channel);
}
void
MidiRegionView::change_note_time (NoteBase* event, Evoral::MusicalTime delta, bool relative)
{
Evoral::MusicalTime new_time;
if (relative) {
if (delta < 0.0) {
if (event->note()->time() < -delta) {
new_time = Evoral::MusicalTime();
} else {
new_time = event->note()->time() + delta;
}
} else {
new_time = event->note()->time() + delta;
}
} else {
new_time = delta;
}
note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_time);
}
void
MidiRegionView::change_note_length (NoteBase* event, Evoral::MusicalTime t)
{
note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, t);
}
void
MidiRegionView::change_velocities (bool up, bool fine, bool allow_smush, bool all_together)
{
int8_t delta;
int8_t value = 0;
if (_selection.empty()) {
return;
}
if (fine) {
delta = 1;
} else {
delta = 10;
}
if (!up) {
delta = -delta;
}
if (!allow_smush) {
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->note()->velocity() < -delta || (*i)->note()->velocity() + delta > 127) {
goto cursor_label;
}
}
}
start_note_diff_command (_("change velocities"));
for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
Selection::iterator next = i;
++next;
if (all_together) {
if (i == _selection.begin()) {
change_note_velocity (*i, delta, true);
value = (*i)->note()->velocity() + delta;
} else {
change_note_velocity (*i, value, false);
}
} else {
change_note_velocity (*i, delta, true);
}
i = next;
}
apply_diff();
cursor_label:
if (!_selection.empty()) {
char buf[24];
snprintf (buf, sizeof (buf), "Vel %d",
(int) (*_selection.begin())->note()->velocity());
show_verbose_cursor (buf, 10, 10);
}
}
void
MidiRegionView::transpose (bool up, bool fine, bool allow_smush)
{
if (_selection.empty()) {
return;
}
int8_t delta;
if (fine) {
delta = 1;
} else {
delta = 12;
}
if (!up) {
delta = -delta;
}
if (!allow_smush) {
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if (!up) {
if ((int8_t) (*i)->note()->note() + delta <= 0) {
return;
}
} else {
if ((int8_t) (*i)->note()->note() + delta > 127) {
return;
}
}
}
}
start_note_diff_command (_("transpose"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
Selection::iterator next = i;
++next;
change_note_note (*i, delta, true);
i = next;
}
apply_diff ();
}
void
MidiRegionView::change_note_lengths (bool fine, bool shorter, Evoral::MusicalTime delta, bool start, bool end)
{
if (!delta) {
if (fine) {
delta = Evoral::MusicalTime(1.0/128.0);
} else {
/* grab the current grid distance */
delta = get_grid_beats(_region->position());
}
}
if (shorter) {
delta = -delta;
}
start_note_diff_command (_("change note lengths"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
Selection::iterator next = i;
++next;
/* note the negation of the delta for start */
trim_note (*i,
(start ? -delta : Evoral::MusicalTime()),
(end ? delta : Evoral::MusicalTime()));
i = next;
}
apply_diff ();
}
void
MidiRegionView::nudge_notes (bool forward, bool fine)
{
if (_selection.empty()) {
return;
}
/* pick a note as the point along the timeline to get the nudge distance.
its not necessarily the earliest note, so we may want to pull the notes out
into a vector and sort before using the first one.
*/
const framepos_t ref_point = source_beats_to_absolute_frames ((*(_selection.begin()))->note()->time());
Evoral::MusicalTime delta;
if (!fine) {
/* non-fine, move by 1 bar regardless of snap */
delta = Evoral::MusicalTime(trackview.session()->tempo_map().meter_at(ref_point).divisions_per_bar());
} else if (trackview.editor().snap_mode() == Editing::SnapOff) {
/* grid is off - use nudge distance */
framepos_t unused;
const framecnt_t distance = trackview.editor().get_nudge_distance (ref_point, unused);
delta = region_frames_to_region_beats (fabs ((double)distance));
} else {
/* use grid */
framepos_t next_pos = ref_point;
if (forward) {
if (max_framepos - 1 < next_pos) {
next_pos += 1;
}
} else {
if (next_pos == 0) {
return;
}
next_pos -= 1;
}
trackview.editor().snap_to (next_pos, (forward ? RoundUpAlways : RoundDownAlways), false);
const framecnt_t distance = ref_point - next_pos;
delta = region_frames_to_region_beats (fabs ((double)distance));
}
if (!delta) {
return;
}
if (!forward) {
delta = -delta;
}
start_note_diff_command (_("nudge"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
Selection::iterator next = i;
++next;
change_note_time (*i, delta, true);
i = next;
}
apply_diff ();
}
void
MidiRegionView::change_channel(uint8_t channel)
{
start_note_diff_command(_("change channel"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
note_diff_add_change (*i, MidiModel::NoteDiffCommand::Channel, channel);
}
apply_diff();
}
void
MidiRegionView::note_entered(NoteBase* ev)
{
Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
if (_mouse_state == SelectTouchDragging) {
note_selected (ev, true);
} else if (editor->current_mouse_mode() == MouseContent) {
show_verbose_cursor (ev->note ());
} else if (editor->current_mouse_mode() == MouseDraw) {
show_verbose_cursor (ev->note ());
}
}
void
MidiRegionView::note_left (NoteBase*)
{
Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
(*i)->hide_velocity ();
}
editor->verbose_cursor()->hide ();
}
void
MidiRegionView::patch_entered (PatchChange* p)
{
ostringstream s;
/* XXX should get patch name if we can */
s << _("Bank ") << (p->patch()->bank() + MIDI_BP_ZERO) << '\n'
<< _("Program ") << ((int) p->patch()->program()) + MIDI_BP_ZERO << '\n'
<< _("Channel ") << ((int) p->patch()->channel() + 1);
show_verbose_cursor (s.str(), 10, 20);
p->item().grab_focus();
}
void
MidiRegionView::patch_left (PatchChange *)
{
trackview.editor().verbose_cursor()->hide ();
/* focus will transfer back via the enter-notify event sent to this
* midi region view.
*/
}
void
MidiRegionView::sysex_entered (SysEx* p)
{
ostringstream s;
// CAIROCANVAS
// need a way to extract text from p->_flag->_text
// s << p->text();
// show_verbose_cursor (s.str(), 10, 20);
p->item().grab_focus();
}
void
MidiRegionView::sysex_left (SysEx *)
{
trackview.editor().verbose_cursor()->hide ();
/* focus will transfer back via the enter-notify event sent to this
* midi region view.
*/
}
void
MidiRegionView::note_mouse_position (float x_fraction, float /*y_fraction*/, bool can_set_cursor)
{
Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
Editing::MouseMode mm = editor->current_mouse_mode();
bool trimmable = (mm == MouseContent || mm == MouseTimeFX || mm == MouseDraw);
Editor::EnterContext* ctx = editor->get_enter_context(NoteItem);
if (can_set_cursor && ctx) {
if (trimmable && x_fraction > 0.0 && x_fraction < 0.2) {
ctx->cursor_ctx->change(editor->cursors()->left_side_trim);
} else if (trimmable && x_fraction >= 0.8 && x_fraction < 1.0) {
ctx->cursor_ctx->change(editor->cursors()->right_side_trim);
} else {
ctx->cursor_ctx->change(editor->cursors()->grabber_note);
}
}
}
uint32_t
MidiRegionView::get_fill_color() const
{
const std::string mod_name = (_dragging ? "dragging region" :
trackview.editor().internal_editing() ? "editable region" :
"midi frame base");
if (_selected) {
return ARDOUR_UI::config()->color_mod ("selected region base", mod_name);
} else if (high_enough_for_name || !ARDOUR_UI::config()->get_color_regions_using_track_color()) {
return ARDOUR_UI::config()->color_mod ("midi frame base", mod_name);
}
return ARDOUR_UI::config()->color_mod (fill_color, mod_name);
}
void
MidiRegionView::midi_channel_mode_changed ()
{
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
uint16_t mask = mtv->midi_track()->get_playback_channel_mask();
ChannelMode mode = mtv->midi_track()->get_playback_channel_mode ();
if (mode == ForceChannel) {
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);
}
_patch_changes.clear ();
display_patch_changes ();
}
void
MidiRegionView::instrument_settings_changed ()
{
redisplay_model();
}
void
MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
{
if (_selection.empty()) {
return;
}
PublicEditor& editor (trackview.editor());
switch (op) {
case Delete:
/* XXX what to do ? */
break;
case Cut:
case Copy:
editor.get_cut_buffer().add (selection_as_cut_buffer());
break;
default:
break;
}
if (op != Copy) {
start_note_diff_command();
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
switch (op) {
case Copy:
break;
case Delete:
case Cut:
case Clear:
note_diff_remove_note (*i);
break;
}
}
apply_diff();
}
}
MidiCutBuffer*
MidiRegionView::selection_as_cut_buffer () const
{
Notes notes;
for (Selection::const_iterator i = _selection.begin(); i != _selection.end(); ++i) {
NoteType* n = (*i)->note().get();
notes.insert (boost::shared_ptr<NoteType> (new NoteType (*n)));
}
MidiCutBuffer* cb = new MidiCutBuffer (trackview.session());
cb->set (notes);
return cb;
}
/** This method handles undo */
bool
MidiRegionView::paste (framepos_t pos, const ::Selection& selection, PasteContext& ctx)
{
// Paste notes, if available
MidiNoteSelection::const_iterator m = selection.midi_notes.get_nth(ctx.counts.n_notes());
if (m != selection.midi_notes.end()) {
ctx.counts.increase_n_notes();
paste_internal(pos, ctx.count, ctx.times, **m);
}
// Paste control points to automation children, if available
typedef RouteTimeAxisView::AutomationTracks ATracks;
const ATracks& atracks = midi_view()->automation_tracks();
for (ATracks::const_iterator a = atracks.begin(); a != atracks.end(); ++a) {
a->second->paste(pos, selection, ctx);
}
return true;
}
/** This method handles undo */
void
MidiRegionView::paste_internal (framepos_t pos, unsigned paste_count, float times, const MidiCutBuffer& mcb)
{
if (mcb.empty()) {
return;
}
start_note_diff_command (_("paste"));
const Evoral::MusicalTime snap_beats = get_grid_beats(pos);
const Evoral::MusicalTime first_time = (*mcb.notes().begin())->time();
const Evoral::MusicalTime last_time = (*mcb.notes().rbegin())->end_time();
const Evoral::MusicalTime duration = last_time - first_time;
const Evoral::MusicalTime snap_duration = duration.snap_to(snap_beats);
const Evoral::MusicalTime paste_offset = snap_duration * paste_count;
const Evoral::MusicalTime pos_beats = absolute_frames_to_source_beats(pos) + paste_offset;
Evoral::MusicalTime end_point = Evoral::MusicalTime();
DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("Paste data spans from %1 to %2 (%3) ; paste pos beats = %4 (based on %5 - %6)\n",
first_time,
last_time,
duration, pos, _region->position(),
pos_beats));
clear_selection ();
for (int n = 0; n < (int) times; ++n) {
for (Notes::const_iterator i = mcb.notes().begin(); i != mcb.notes().end(); ++i) {
boost::shared_ptr<NoteType> copied_note (new NoteType (*((*i).get())));
copied_note->set_time (pos_beats + copied_note->time() - first_time);
/* make all newly added notes selected */
note_diff_add_note (copied_note, true);
end_point = copied_note->end_time();
}
}
/* if we pasted past the current end of the region, extend the region */
framepos_t end_frame = source_beats_to_absolute_frames (end_point);
framepos_t region_end = _region->position() + _region->length() - 1;
if (end_frame > region_end) {
DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("Paste extended region from %1 to %2\n", region_end, end_frame));
_region->clear_changes ();
_region->set_length (end_frame - _region->position());
trackview.session()->add_command (new StatefulDiffCommand (_region));
}
apply_diff (true);
}
struct EventNoteTimeEarlyFirstComparator {
bool operator() (NoteBase* a, NoteBase* b) {
return a->note()->time() < b->note()->time();
}
};
void
MidiRegionView::time_sort_events ()
{
if (!_sort_needed) {
return;
}
EventNoteTimeEarlyFirstComparator cmp;
_events.sort (cmp);
_sort_needed = false;
}
void
MidiRegionView::goto_next_note (bool add_to_selection)
{
bool use_next = false;
if (_events.back()->selected()) {
return;
}
time_sort_events ();
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
uint16_t const channel_mask = mtv->midi_track()->get_playback_channel_mask();
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if ((*i)->selected()) {
use_next = true;
continue;
} else if (use_next) {
if (channel_mask & (1 << (*i)->note()->channel())) {
if (!add_to_selection) {
unique_select (*i);
} else {
note_selected (*i, true, false);
}
return;
}
}
}
/* use the first one */
if (!_events.empty() && (channel_mask & (1 << _events.front()->note()->channel ()))) {
unique_select (_events.front());
}
}
void
MidiRegionView::goto_previous_note (bool add_to_selection)
{
bool use_next = false;
if (_events.front()->selected()) {
return;
}
time_sort_events ();
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
uint16_t const channel_mask = mtv->midi_track()->get_playback_channel_mask ();
for (Events::reverse_iterator i = _events.rbegin(); i != _events.rend(); ++i) {
if ((*i)->selected()) {
use_next = true;
continue;
} else if (use_next) {
if (channel_mask & (1 << (*i)->note()->channel())) {
if (!add_to_selection) {
unique_select (*i);
} else {
note_selected (*i, true, false);
}
return;
}
}
}
/* use the last one */
if (!_events.empty() && (channel_mask & (1 << (*_events.rbegin())->note()->channel ()))) {
unique_select (*(_events.rbegin()));
}
}
void
MidiRegionView::selection_as_notelist (Notes& selected, bool allow_all_if_none_selected)
{
bool had_selected = false;
time_sort_events ();
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if ((*i)->selected()) {
selected.insert ((*i)->note());
had_selected = true;
}
}
if (allow_all_if_none_selected && !had_selected) {
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
selected.insert ((*i)->note());
}
}
}
void
MidiRegionView::update_ghost_note (double x, double y)
{
x = std::max(0.0, x);
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
_last_ghost_x = x;
_last_ghost_y = y;
_note_group->canvas_to_item (x, y);
PublicEditor& editor = trackview.editor ();
framepos_t const unsnapped_frame = editor.pixel_to_sample (x);
framecnt_t grid_frames;
framepos_t const f = snap_frame_to_grid_underneath (unsnapped_frame, grid_frames);
/* use region_frames... because we are converting a delta within the region
*/
const Evoral::MusicalTime length = get_grid_beats(unsnapped_frame);
/* note that this sets the time of the ghost note in beats relative to
the start of the source; that is how all note times are stored.
*/
_ghost_note->note()->set_time (
std::max(Evoral::MusicalTime(),
absolute_frames_to_source_beats (f + _region->position ())));
_ghost_note->note()->set_length (length);
_ghost_note->note()->set_note (midi_stream_view()->y_to_note (y));
_ghost_note->note()->set_channel (mtv->get_channel_for_add ());
/* the ghost note does not appear in ghost regions, so pass false in here */
update_note (_ghost_note, false);
show_verbose_cursor (_ghost_note->note ());
}
void
MidiRegionView::create_ghost_note (double x, double y)
{
remove_ghost_note ();
boost::shared_ptr<NoteType> g (new NoteType);
_ghost_note = new Note (*this, _note_group, g);
_ghost_note->set_ignore_events (true);
_ghost_note->set_outline_color (0x000000aa);
update_ghost_note (x, y);
_ghost_note->show ();
show_verbose_cursor (_ghost_note->note ());
}
void
MidiRegionView::remove_ghost_note ()
{
delete _ghost_note;
_ghost_note = 0;
}
void
MidiRegionView::snap_changed ()
{
if (!_ghost_note) {
return;
}
create_ghost_note (_last_ghost_x, _last_ghost_y);
}
void
MidiRegionView::drop_down_keys ()
{
_mouse_state = None;
}
void
MidiRegionView::maybe_select_by_position (GdkEventButton* ev, double /*x*/, double y)
{
/* XXX: This is dead code. What was it for? */
double note = midi_stream_view()->y_to_note(y);
Events e;
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
uint16_t chn_mask = mtv->midi_track()->get_playback_channel_mask();
if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchGreaterThanOrEqual, (uint8_t) floor (note), chn_mask);
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchLessThanOrEqual, (uint8_t) floor (note), chn_mask);
} else {
return;
}
bool add_mrv_selection = false;
if (_selection.empty()) {
add_mrv_selection = true;
}
for (Events::iterator i = e.begin(); i != e.end(); ++i) {
if (_selection.insert (*i).second) {
(*i)->set_selected (true);
}
}
if (add_mrv_selection) {
PublicEditor& editor (trackview.editor());
editor.get_selection().add (this);
}
}
void
MidiRegionView::color_handler ()
{
RegionView::color_handler ();
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
(*i)->set_selected ((*i)->selected()); // will change color
}
/* XXX probably more to do here */
}
void
MidiRegionView::enable_display (bool yn)
{
RegionView::enable_display (yn);
if (yn) {
redisplay_model ();
}
}
void
MidiRegionView::show_step_edit_cursor (Evoral::MusicalTime pos)
{
if (_step_edit_cursor == 0) {
ArdourCanvas::Item* const group = get_canvas_group();
_step_edit_cursor = new ArdourCanvas::Rectangle (group);
_step_edit_cursor->set_y0 (0);
_step_edit_cursor->set_y1 (midi_stream_view()->contents_height());
_step_edit_cursor->set_fill_color (RGBA_TO_UINT (45,0,0,90));
_step_edit_cursor->set_outline_color (RGBA_TO_UINT (85,0,0,90));
}
move_step_edit_cursor (pos);
_step_edit_cursor->show ();
}
void
MidiRegionView::move_step_edit_cursor (Evoral::MusicalTime pos)
{
_step_edit_cursor_position = pos;
if (_step_edit_cursor) {
double pixel = trackview.editor().sample_to_pixel (region_beats_to_region_frames (pos));
_step_edit_cursor->set_x0 (pixel);
set_step_edit_cursor_width (_step_edit_cursor_width);
}
}
void
MidiRegionView::hide_step_edit_cursor ()
{
if (_step_edit_cursor) {
_step_edit_cursor->hide ();
}
}
void
MidiRegionView::set_step_edit_cursor_width (Evoral::MusicalTime beats)
{
_step_edit_cursor_width = beats;
if (_step_edit_cursor) {
_step_edit_cursor->set_x1 (_step_edit_cursor->x0() + trackview.editor().sample_to_pixel (region_beats_to_region_frames (beats)));
}
}
/** Called when a diskstream on our track has received some data. Update the view, if applicable.
* @param w Source that the data will end up in.
*/
void
MidiRegionView::data_recorded (boost::weak_ptr<MidiSource> w)
{
if (!_active_notes) {
/* we aren't actively being recorded to */
return;
}
boost::shared_ptr<MidiSource> src = w.lock ();
if (!src || src != midi_region()->midi_source()) {
/* recorded data was not destined for our source */
return;
}
MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (&trackview);
boost::shared_ptr<MidiBuffer> buf = mtv->midi_track()->get_gui_feed_buffer ();
framepos_t back = max_framepos;
for (MidiBuffer::iterator i = buf->begin(); i != buf->end(); ++i) {
Evoral::MIDIEvent<MidiBuffer::TimeType> const ev (*i, false);
if (ev.is_channel_event()) {
if (get_channel_mode() == FilterChannels) {
if (((uint16_t(1) << ev.channel()) & get_selected_channels()) == 0) {
continue;
}
}
}
/* convert from session frames to source beats */
Evoral::MusicalTime const time_beats = _source_relative_time_converter.from(ev.time());
if (ev.type() == MIDI_CMD_NOTE_ON) {
boost::shared_ptr<NoteType> note (
new NoteType (ev.channel(), time_beats, Evoral::MusicalTime(), ev.note(), ev.velocity()));
add_note (note, true);
/* fix up our note range */
if (ev.note() < _current_range_min) {
midi_stream_view()->apply_note_range (ev.note(), _current_range_max, true);
} else if (ev.note() > _current_range_max) {
midi_stream_view()->apply_note_range (_current_range_min, ev.note(), true);
}
} else if (ev.type() == MIDI_CMD_NOTE_OFF) {
resolve_note (ev.note (), time_beats);
}
back = ev.time ();
}
midi_stream_view()->check_record_layers (region(), back);
}
void
MidiRegionView::trim_front_starting ()
{
/* Reparent the note group to the region view's parent, so that it doesn't change
when the region view is trimmed.
*/
_temporary_note_group = new ArdourCanvas::Container (group->parent ());
_temporary_note_group->move (group->position ());
_note_group->reparent (_temporary_note_group);
}
void
MidiRegionView::trim_front_ending ()
{
_note_group->reparent (group);
delete _temporary_note_group;
_temporary_note_group = 0;
if (_region->start() < 0) {
/* Trim drag made start time -ve; fix this */
midi_region()->fix_negative_start ();
}
}
void
MidiRegionView::edit_patch_change (PatchChange* pc)
{
PatchChangeDialog d (&_source_relative_time_converter, trackview.session(), *pc->patch (), instrument_info(), Gtk::Stock::APPLY, true);
int response = d.run();
switch (response) {
case Gtk::RESPONSE_ACCEPT:
break;
case Gtk::RESPONSE_REJECT:
delete_patch_change (pc);
return;
default:
return;
}
change_patch_change (pc->patch(), d.patch ());
}
void
MidiRegionView::delete_sysex (SysEx* /*sysex*/)
{
// CAIROCANVAS
// sysyex object doesn't have a pointer to a sysex event
// MidiModel::SysExDiffCommand* c = _model->new_sysex_diff_command (_("delete sysex"));
// c->remove (sysex->sysex());
// _model->apply_command (*trackview.session(), c);
//_sys_exes.clear ();
// display_sysexes();
}
void
MidiRegionView::show_verbose_cursor (boost::shared_ptr<NoteType> n) const
{
using namespace MIDI::Name;
std::string name;
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
if (mtv) {
boost::shared_ptr<MasterDeviceNames> device_names(mtv->get_device_names());
if (device_names) {
MIDI::Name::PatchPrimaryKey patch_key;
get_patch_key_at(n->time(), n->channel(), patch_key);
name = device_names->note_name(mtv->gui_property(X_("midnam-custom-device-mode")),
n->channel(),
patch_key.bank(),
patch_key.program(),
n->note());
}
}
char buf[128];
snprintf (buf, sizeof (buf), "%d %s\nCh %d Vel %d",
(int) n->note (),
name.empty() ? Evoral::midi_note_name (n->note()).c_str() : name.c_str(),
(int) n->channel() + 1,
(int) n->velocity());
show_verbose_cursor(buf, 10, 20);
}
void
MidiRegionView::show_verbose_cursor (string const & text, double xoffset, double yoffset) const
{
trackview.editor().verbose_cursor()->set (text);
trackview.editor().verbose_cursor()->show ();
trackview.editor().verbose_cursor()->set_offset (ArdourCanvas::Duple (xoffset, yoffset));
}
/** @param p A session framepos.
* @param grid_frames Filled in with the number of frames that a grid interval is at p.
* @return p snapped to the grid subdivision underneath it.
*/
framepos_t
MidiRegionView::snap_frame_to_grid_underneath (framepos_t p, framecnt_t& grid_frames) const
{
PublicEditor& editor = trackview.editor ();
const Evoral::MusicalTime grid_beats = get_grid_beats(p);
grid_frames = region_beats_to_region_frames (grid_beats);
/* Hack so that we always snap to the note that we are over, instead of snapping
to the next one if we're more than halfway through the one we're over.
*/
if (editor.snap_mode() == SnapNormal && p >= grid_frames / 2) {
p -= grid_frames / 2;
}
return snap_frame_to_frame (p);
}
/** Called when the selection has been cleared in any MidiRegionView.
* @param rv MidiRegionView that the selection was cleared in.
*/
void
MidiRegionView::selection_cleared (MidiRegionView* rv)
{
if (rv == this) {
return;
}
/* Clear our selection in sympathy; but don't signal the fact */
clear_selection (false);
}
void
MidiRegionView::note_button_release ()
{
_note_player.reset();
}
ChannelMode
MidiRegionView::get_channel_mode () const
{
RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (&trackview);
return rtav->midi_track()->get_playback_channel_mode();
}
uint16_t
MidiRegionView::get_selected_channels () const
{
RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (&trackview);
return rtav->midi_track()->get_playback_channel_mask();
}
Evoral::MusicalTime
MidiRegionView::get_grid_beats(framepos_t pos) const
{
PublicEditor& editor = trackview.editor();
bool success = false;
Evoral::MusicalTime beats = editor.get_grid_type_as_beats(success, pos);
if (!success) {
beats = Evoral::MusicalTime(1);
}
return beats;
}
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