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livetrax/gtk2_ardour/midi_region_view.cc
Carl Hetherington 611c33e680 Snap to note start rather than mouse pointer when dragging MIDI notes. Fixes #3187. 
git-svn-id: svn://localhost/ardour2/branches/3.0@7654 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-08-19 22:01:10 +00:00

3049 lines
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/*
Copyright (C) 2001-2007 Paul Davis
Author: Dave Robillard
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cmath>
#include <cassert>
#include <algorithm>
#include <ostream>
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
#include <sigc++/signal.h>
#include "pbd/memento_command.h"
#include "pbd/stateful_diff_command.h"
#include "ardour/playlist.h"
#include "ardour/tempo.h"
#include "ardour/midi_region.h"
#include "ardour/midi_source.h"
#include "ardour/midi_model.h"
#include "ardour/midi_patch_manager.h"
#include "ardour/session.h"
#include "evoral/Parameter.hpp"
#include "evoral/MIDIParameters.hpp"
#include "evoral/Control.hpp"
#include "evoral/midi_util.h"
#include "automation_region_view.h"
#include "automation_time_axis.h"
#include "canvas-hit.h"
#include "canvas-note.h"
#include "canvas-program-change.h"
#include "ghostregion.h"
#include "gui_thread.h"
#include "keyboard.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_time_axis.h"
#include "midi_util.h"
#include "public_editor.h"
#include "rgb_macros.h"
#include "selection.h"
#include "simpleline.h"
#include "streamview.h"
#include "utils.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;
using Gtkmm2ext::Keyboard;
MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color const & basic_color)
: RegionView (parent, tv, r, spu, basic_color)
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _current_range_min(0)
, _current_range_max(0)
, _model_name(string())
, _custom_device_mode(string())
, _active_notes(0)
, _note_group(new ArdourCanvas::Group(*parent))
, _diff_command(0)
, _ghost_note(0)
, _drag_rect (0)
, _step_edit_cursor (0)
, _step_edit_cursor_width (1.0)
, _step_edit_cursor_position (0.0)
, _mouse_state(None)
, _pressed_button(0)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
, no_sound_notes (false)
{
_note_group->raise_to_top();
PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
}
MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color,
TimeAxisViewItem::Visibility visibility)
: RegionView (parent, tv, r, spu, basic_color, false, visibility)
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _model_name(string())
, _custom_device_mode(string())
, _active_notes(0)
, _note_group(new ArdourCanvas::Group(*parent))
, _diff_command(0)
, _ghost_note(0)
, _drag_rect (0)
, _mouse_state(None)
, _pressed_button(0)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
, no_sound_notes (false)
{
_note_group->raise_to_top();
PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
}
MidiRegionView::MidiRegionView (const MidiRegionView& other)
: sigc::trackable(other)
, RegionView (other)
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _model_name(string())
, _custom_device_mode(string())
, _active_notes(0)
, _note_group(new ArdourCanvas::Group(*get_canvas_group()))
, _diff_command(0)
, _ghost_note(0)
, _drag_rect (0)
, _mouse_state(None)
, _pressed_button(0)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
, no_sound_notes (false)
{
Gdk::Color c;
int r,g,b,a;
UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
c.set_rgb_p (r/255.0, g/255.0, b/255.0);
init (c, false);
}
MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<MidiRegion> region)
: RegionView (other, boost::shared_ptr<Region> (region))
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _model_name(string())
, _custom_device_mode(string())
, _active_notes(0)
, _note_group(new ArdourCanvas::Group(*get_canvas_group()))
, _diff_command(0)
, _ghost_note(0)
, _drag_rect (0)
, _mouse_state(None)
, _pressed_button(0)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
, no_sound_notes (false)
{
Gdk::Color c;
int r,g,b,a;
UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
c.set_rgb_p (r/255.0, g/255.0, b/255.0);
init (c, true);
}
void
MidiRegionView::init (Gdk::Color const & basic_color, bool wfd)
{
PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
CanvasNoteEvent::CanvasNoteEventDeleted.connect (note_delete_connection, MISSING_INVALIDATOR,
ui_bind (&MidiRegionView::maybe_remove_deleted_note_from_selection, this, _1),
gui_context());
if (wfd) {
midi_region()->midi_source(0)->load_model();
}
_model = midi_region()->midi_source(0)->model();
_enable_display = false;
RegionView::init (basic_color, false);
compute_colors (basic_color);
set_height (trackview.current_height());
region_muted ();
region_sync_changed ();
region_resized (ARDOUR::bounds_change);
region_locked ();
reset_width_dependent_items (_pixel_width);
set_colors ();
_enable_display = true;
if (_model) {
if (wfd) {
display_model (_model);
}
}
group->raise_to_top();
group->signal_event().connect (sigc::mem_fun (this, &MidiRegionView::canvas_event), false);
midi_view()->signal_channel_mode_changed().connect(
sigc::mem_fun(this, &MidiRegionView::midi_channel_mode_changed));
midi_view()->signal_midi_patch_settings_changed().connect(
sigc::mem_fun(this, &MidiRegionView::midi_patch_settings_changed));
trackview.editor().SnapChanged.connect (snap_changed_connection, invalidator (*this), ui_bind (&MidiRegionView::snap_changed, this), gui_context ());
}
bool
MidiRegionView::canvas_event(GdkEvent* ev)
{
if (!trackview.editor().internal_editing()) {
return false;
}
/* XXX: note that until version 2.30, the GnomeCanvas did not propagate scroll events
to its items, which means that ev->type == GDK_SCROLL will never be seen
*/
switch (ev->type) {
case GDK_SCROLL:
return scroll (&ev->scroll);
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_2BUTTON_PRESS:
return true;
case GDK_BUTTON_RELEASE:
return button_release (&ev->button);
case GDK_ENTER_NOTIFY:
return enter_notify (&ev->crossing);
case GDK_LEAVE_NOTIFY:
return leave_notify (&ev->crossing);
case GDK_MOTION_NOTIFY:
return motion (&ev->motion);
default:
break;
}
return false;
}
bool
MidiRegionView::enter_notify (GdkEventCrossing* ev)
{
/* FIXME: do this on switch to note tool, too, if the pointer is already in */
Keyboard::magic_widget_grab_focus();
group->grab_focus();
if (trackview.editor().current_mouse_mode() == MouseRange) {
create_ghost_note (ev->x, ev->y);
}
return false;
}
bool
MidiRegionView::leave_notify (GdkEventCrossing* ev)
{
trackview.editor().hide_verbose_canvas_cursor ();
delete _ghost_note;
_ghost_note = 0;
return false;
}
bool
MidiRegionView::button_press (GdkEventButton* ev)
{
_last_x = ev->x;
_last_y = ev->y;
group->w2i (_last_x, _last_y);
if (_mouse_state != SelectTouchDragging && ev->button == 1) {
_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;
nframes64_t event_frame = 0;
event_x = ev->x;
event_y = ev->y;
group->w2i(event_x, event_y);
group->ungrab(ev->time);
event_frame = trackview.editor().pixel_to_frame(event_x);
if (ev->button == 3) {
return false;
} else if (_pressed_button != 1) {
return false;
}
switch (_mouse_state) {
case Pressed: // Clicked
switch (trackview.editor().current_mouse_mode()) {
case MouseObject:
case MouseTimeFX:
clear_selection();
maybe_select_by_position (ev, event_x, event_y);
break;
case MouseRange:
{
bool success;
Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
if (!success) {
beats = 1;
}
create_note_at (event_x, event_y, beats, true);
break;
}
default:
break;
}
_mouse_state = None;
break;
case SelectRectDragging: // Select drag done
_mouse_state = None;
delete _drag_rect;
_drag_rect = 0;
break;
case AddDragging: // Add drag done
_mouse_state = None;
if (_drag_rect->property_x2() > _drag_rect->property_x1() + 2) {
const double x = _drag_rect->property_x1();
const double length = trackview.editor().pixel_to_frame
(_drag_rect->property_x2() - _drag_rect->property_x1());
create_note_at (x, _drag_rect->property_y1(), frames_to_beats(length), false);
}
delete _drag_rect;
_drag_rect = 0;
create_ghost_note (ev->x, ev->y);
default:
break;
}
return false;
}
bool
MidiRegionView::motion (GdkEventMotion* ev)
{
double event_x, event_y;
nframes64_t event_frame = 0;
event_x = ev->x;
event_y = ev->y;
group->w2i(event_x, event_y);
// convert event_x to global frame
event_frame = trackview.editor().pixel_to_frame(event_x) + _region->position();
trackview.editor().snap_to(event_frame);
// convert event_frame back to local coordinates relative to position
event_frame -= _region->position();
if (_ghost_note) {
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: // Maybe start a drag, if we've moved a bit
if (fabs (event_x - _last_x) < 1 && fabs (event_y - _last_y) < 1) {
/* no appreciable movement since the button was pressed */
return false;
}
// Select drag start
if (_pressed_button == 1 && trackview.editor().current_mouse_mode() == MouseObject) {
group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
Gdk::Cursor(Gdk::FLEUR), ev->time);
_last_x = event_x;
_last_y = event_y;
_drag_start_x = event_x;
_drag_start_y = event_y;
_drag_rect = new ArdourCanvas::SimpleRect(*group);
_drag_rect->property_x1() = event_x;
_drag_rect->property_y1() = event_y;
_drag_rect->property_x2() = event_x;
_drag_rect->property_y2() = event_y;
_drag_rect->property_outline_what() = 0xFF;
_drag_rect->property_outline_color_rgba()
= ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
_drag_rect->property_fill_color_rgba()
= ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
_mouse_state = SelectRectDragging;
return true;
// Add note drag start
} else if (trackview.editor().internal_editing()) {
delete _ghost_note;
_ghost_note = 0;
group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
Gdk::Cursor(Gdk::FLEUR), ev->time);
_last_x = event_x;
_last_y = event_y;
_drag_start_x = event_x;
_drag_start_y = event_y;
_drag_rect = new ArdourCanvas::SimpleRect(*group);
_drag_rect->property_x1() = trackview.editor().frame_to_pixel(event_frame);
_drag_rect->property_y1() = midi_stream_view()->note_to_y(
midi_stream_view()->y_to_note(event_y));
_drag_rect->property_x2() = trackview.editor().frame_to_pixel(event_frame);
_drag_rect->property_y2() = _drag_rect->property_y1()
+ floor(midi_stream_view()->note_height());
_drag_rect->property_outline_what() = 0xFF;
_drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
_drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
_mouse_state = AddDragging;
return true;
}
return false;
case SelectRectDragging: // Select drag motion
case AddDragging: // Add note drag motion
if (ev->is_hint) {
int t_x;
int t_y;
GdkModifierType state;
gdk_window_get_pointer(ev->window, &t_x, &t_y, &state);
event_x = t_x;
event_y = t_y;
}
if (_mouse_state == AddDragging)
event_x = trackview.editor().frame_to_pixel(event_frame);
if (_drag_rect) {
if (event_x > _drag_start_x)
_drag_rect->property_x2() = event_x;
else
_drag_rect->property_x1() = event_x;
}
if (_drag_rect && _mouse_state == SelectRectDragging) {
if (event_y > _drag_start_y)
_drag_rect->property_y2() = event_y;
else
_drag_rect->property_y1() = event_y;
update_drag_selection(_drag_start_x, event_x, _drag_start_y, event_y);
}
_last_x = event_x;
_last_y = event_y;
case SelectTouchDragging:
return false;
default:
break;
}
return false;
}
bool
MidiRegionView::scroll (GdkEventScroll* ev)
{
if (_selection.empty()) {
return false;
}
trackview.editor().hide_verbose_canvas_cursor ();
bool fine = !Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier);
if (ev->direction == GDK_SCROLL_UP) {
change_velocities (true, fine, false);
} else if (ev->direction == GDK_SCROLL_DOWN) {
change_velocities (false, fine, 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.
*/
if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R){
_mouse_state = SelectTouchDragging;
return true;
} else if (ev->keyval == GDK_Escape) {
clear_selection();
_mouse_state = None;
} else if (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, 0.0, start, end);
return true;
} else if (ev->keyval == GDK_Delete) {
delete_selection();
return true;
} else if (ev->keyval == GDK_Tab) {
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
goto_previous_note ();
} else {
goto_next_note ();
}
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);
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
change_velocities (true, fine, allow_smush);
} 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);
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
change_velocities (false, fine, allow_smush);
} else {
transpose (false, fine, allow_smush);
}
return true;
} else if (ev->keyval == GDK_Left) {
nudge_notes (false);
return true;
} else if (ev->keyval == GDK_Right) {
nudge_notes (true);
return true;
} else if (ev->keyval == GDK_Control_L) {
return true;
}
return false;
}
bool
MidiRegionView::key_release (GdkEventKey* ev)
{
if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R) {
_mouse_state = None;
return true;
}
return false;
}
void
MidiRegionView::show_list_editor ()
{
if (!_list_editor) {
_list_editor = new MidiListEditor (trackview.session(), midi_region());
}
_list_editor->present ();
}
/** Add a note to the model, and the view, at a canvas (click) coordinate.
* \param x horizontal position in pixels
* \param y vertical position in pixels
* \param length duration of the note in beats, which will be snapped to the grid
* \param sh true to make the note 1 frame shorter than the snapped version of \a length.
*/
void
MidiRegionView::create_note_at(double x, double y, double length, bool sh)
{
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
MidiStreamView* const view = mtv->midi_view();
double note = midi_stream_view()->y_to_note(y);
assert(note >= 0.0);
assert(note <= 127.0);
// Start of note in frames relative to region start
nframes64_t const start_frames = snap_frame_to_frame(trackview.editor().pixel_to_frame(x));
assert(start_frames >= 0);
// Snap length
length = frames_to_beats(
snap_frame_to_frame(start_frames + beats_to_frames(length)) - start_frames);
assert (length != 0);
if (sh) {
length = frames_to_beats (beats_to_frames (length) - 1);
}
uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
int chn_cnt = 0;
uint8_t channel = 0;
/* pick the highest selected channel, unless all channels are selected,
which is interpreted to mean channel 1 (zero)
*/
for (uint16_t i = 0; i < 16; ++i) {
if (chn_mask & (1<<i)) {
channel = i;
chn_cnt++;
}
}
if (chn_cnt == 16) {
channel = 0;
}
const boost::shared_ptr<NoteType> new_note (new NoteType (channel,
frames_to_beats(start_frames + _region->start()), length,
(uint8_t)note, 0x40));
if (_model->contains (new_note)) {
return;
}
view->update_note_range(new_note->note());
MidiModel::DiffCommand* cmd = _model->new_diff_command("add note");
cmd->add(new_note);
_model->apply_command(*trackview.session(), cmd);
play_midi_note (new_note);
}
void
MidiRegionView::clear_events()
{
clear_selection();
MidiGhostRegion* gr;
for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
gr->clear_events();
}
}
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
delete *i;
}
_events.clear();
_pgm_changes.clear();
_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_diff_command(string name)
{
if (!_diff_command) {
_diff_command = _model->new_diff_command(name);
}
}
void
MidiRegionView::diff_add_note(const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity)
{
if (_diff_command) {
_diff_command->add(note);
}
if (selected) {
_marked_for_selection.insert(note);
}
if (show_velocity) {
_marked_for_velocity.insert(note);
}
}
void
MidiRegionView::diff_remove_note(ArdourCanvas::CanvasNoteEvent* ev)
{
if (_diff_command && ev->note()) {
_diff_command->remove(ev->note());
}
}
void
MidiRegionView::diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
MidiModel::DiffCommand::Property property,
uint8_t val)
{
if (_diff_command) {
_diff_command->change (ev->note(), property, val);
}
}
void
MidiRegionView::diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
MidiModel::DiffCommand::Property property,
Evoral::MusicalTime val)
{
if (_diff_command) {
_diff_command->change (ev->note(), property, val);
}
}
void
MidiRegionView::apply_diff ()
{
bool add_or_remove;
if (!_diff_command) {
return;
}
if ((add_or_remove = _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());
}
}
_model->apply_command(*trackview.session(), _diff_command);
_diff_command = 0;
midi_view()->midi_track()->playlist_modified();
if (add_or_remove) {
_marked_for_selection.clear();
}
_marked_for_velocity.clear();
}
void
MidiRegionView::apply_diff_as_subcommand()
{
bool add_or_remove;
if (!_diff_command) {
return;
}
if ((add_or_remove = _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());
}
}
_model->apply_command_as_subcommand(*trackview.session(), _diff_command);
_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 _diff_command;
_diff_command = 0;
clear_selection();
}
CanvasNoteEvent*
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) {
CanvasNoteEvent* 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) {
cerr << "MidiRegionView::redisplay_model called without a model" << endmsg;
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();
for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
boost::shared_ptr<NoteType> note (*n);
CanvasNoteEvent* cne;
bool visible;
if (note_in_region_range (note, visible)) {
if ((cne = find_canvas_note (note)) != 0) {
cne->validate ();
CanvasNote* cn;
CanvasHit* ch;
if ((cn = dynamic_cast<CanvasNote*>(cne)) != 0) {
update_note (cn);
} else if ((ch = dynamic_cast<CanvasHit*>(cne)) != 0) {
update_hit (ch);
}
if (visible) {
cne->show ();
} else {
cne->hide ();
}
} else {
add_note (note, visible);
}
} else {
if ((cne = find_canvas_note (note)) != 0) {
cne->validate ();
cne->hide ();
}
}
}
/* remove note items that are no longer valid */
for (Events::iterator i = _events.begin(); i != _events.end(); ) {
if (!(*i)->valid ()) {
delete *i;
i = _events.erase (i);
} else {
++i;
}
}
_pgm_changes.clear();
_sys_exes.clear();
display_sysexes();
display_program_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_program_changes()
{
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
for (uint8_t i = 0; i < 16; ++i) {
if (chn_mask & (1<<i)) {
display_program_changes_on_channel (i);
}
}
}
void
MidiRegionView::display_program_changes_on_channel(uint8_t channel)
{
boost::shared_ptr<Evoral::Control> control =
_model->control(Evoral::MIDI::ProgramChange (MidiPgmChangeAutomation, channel));
if (!control) {
return;
}
Glib::Mutex::Lock lock (control->list()->lock());
for (AutomationList::const_iterator event = control->list()->begin();
event != control->list()->end(); ++event) {
double event_time = (*event)->when;
double program_number = floor((*event)->value + 0.5);
// Get current value of bank select MSB at time of the program change
Evoral::Parameter bank_select_msb(MidiCCAutomation, channel, MIDI_CTL_MSB_BANK);
boost::shared_ptr<Evoral::Control> msb_control = _model->control(bank_select_msb);
uint8_t msb = 0;
if (msb_control != 0) {
msb = uint8_t(floor(msb_control->get_double(true, event_time) + 0.5));
}
// Get current value of bank select LSB at time of the program change
Evoral::Parameter bank_select_lsb(MidiCCAutomation, channel, MIDI_CTL_LSB_BANK);
boost::shared_ptr<Evoral::Control> lsb_control = _model->control(bank_select_lsb);
uint8_t lsb = 0;
if (lsb_control != 0) {
lsb = uint8_t(floor(lsb_control->get_double(true, event_time) + 0.5));
}
MIDI::Name::PatchPrimaryKey patch_key(msb, lsb, program_number);
boost::shared_ptr<MIDI::Name::Patch> patch =
MIDI::Name::MidiPatchManager::instance().find_patch(
_model_name, _custom_device_mode, channel, patch_key);
PCEvent program_change(event_time, uint8_t(program_number), channel);
if (patch != 0) {
add_pgm_change(program_change, patch->name());
} else {
char buf[4];
// program_number is zero-based: convert to one-based
snprintf(buf, 4, "%d", int(program_number+1));
add_pgm_change(program_change, buf);
}
}
}
void
MidiRegionView::display_sysexes()
{
for (MidiModel::SysExes::const_iterator i = _model->sysexes().begin(); i != _model->sysexes().end(); ++i) {
Evoral::MusicalTime time = (*i)->time();
assert(time >= 0);
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();
ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
const double x = trackview.editor().frame_to_pixel(beats_to_frames(time));
double height = midi_stream_view()->contents_height();
boost::shared_ptr<CanvasSysEx> sysex = boost::shared_ptr<CanvasSysEx>(
new CanvasSysEx(*this, *group, text, height, x, 1.0));
// Show unless program change 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().hide_verbose_canvas_cursor ();
note_delete_connection.disconnect ();
delete _list_editor;
RegionViewGoingAway (this); /* EMIT_SIGNAL */
if (_active_notes) {
end_write();
}
_selection.clear();
clear_events();
delete _note_group;
delete _diff_command;
delete _step_edit_cursor;
}
void
MidiRegionView::region_resized (const PropertyChange& what_changed)
{
RegionView::region_resized(what_changed);
if (what_changed.contains (ARDOUR::Properties::position)) {
set_duration(_region->length(), 0);
if (_enable_display) {
redisplay_model();
}
}
}
void
MidiRegionView::reset_width_dependent_items (double pixel_width)
{
RegionView::reset_width_dependent_items(pixel_width);
assert(_pixel_width == pixel_width);
if (_enable_display) {
redisplay_model();
}
move_step_edit_cursor (_step_edit_cursor_position);
set_step_edit_cursor_width (_step_edit_cursor_width);
}
void
MidiRegionView::set_height (double height)
{
static const double FUDGE = 2.0;
const double old_height = _height;
RegionView::set_height(height);
_height = height - FUDGE;
apply_note_range(midi_stream_view()->lowest_note(),
midi_stream_view()->highest_note(),
height != old_height + FUDGE);
if (name_pixbuf) {
name_pixbuf->raise_to_top();
}
for (PgmChanges::iterator x = _pgm_changes.begin(); x != _pgm_changes.end(); ++x) {
(*x)->set_height (midi_stream_view()->contents_height());
}
if (_step_edit_cursor) {
_step_edit_cursor->property_y2() = 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) {
CanvasNoteEvent* 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 (CanvasNote* cnote = dynamic_cast<CanvasNote*>(event)) {
const double y1 = midi_stream_view()->note_to_y(note->note());
const double y2 = y1 + floor(midi_stream_view()->note_height());
cnote->property_y1() = y1;
cnote->property_y2() = y2;
} else if (CanvasHit* chit = dynamic_cast<CanvasHit*>(event)) {
double x = trackview.editor().frame_to_pixel(
beats_to_frames(note->time()) - _region->start());
const double diamond_size = midi_stream_view()->note_height() / 2.0;
double y = midi_stream_view()->note_to_y(event->note()->note())
+ ((diamond_size-2.0) / 4.0);
chit->set_height (diamond_size);
chit->move (x - chit->x1(), y - chit->y1());
chit->show ();
}
}
}
GhostRegion*
MidiRegionView::add_ghost (TimeAxisView& tv)
{
CanvasNote* note;
double unit_position = _region->position () / samples_per_unit;
MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
MidiGhostRegion* ghost;
if (mtv && mtv->midi_view()) {
/* if ghost is inserted into midi track, use a dedicated midi ghost canvas group
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);
}
ghost->set_height ();
ghost->set_duration (_region->length() / samples_per_unit);
ghosts.push_back (ghost);
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if ((note = dynamic_cast<CanvasNote*>(*i)) != 0) {
ghost->add_note(note);
}
}
GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
return ghost;
}
/** Begin tracking note state for successive calls to add_event
*/
void
MidiRegionView::begin_write()
{
assert(!_active_notes);
_active_notes = new CanvasNote*[128];
for (unsigned i=0; i < 128; ++i) {
_active_notes[i] = 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, double end_time)
{
if (midi_view()->note_mode() != Sustained) {
return;
}
if (_active_notes && _active_notes[note]) {
const nframes64_t end_time_frames = beats_to_frames(end_time);
_active_notes[note]->property_x2() = trackview.editor().frame_to_pixel(end_time_frames);
_active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
_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]->property_x2() = trackview.editor().frame_to_pixel(_region->length());
}
}
}
void
MidiRegionView::play_midi_note(boost::shared_ptr<NoteType> note)
{
if (no_sound_notes || !trackview.editor().sound_notes()) {
return;
}
RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
assert(route_ui);
route_ui->midi_track()->write_immediate_event(
note->on_event().size(), note->on_event().buffer());
const double note_length_beats = (note->off_event().time() - note->on_event().time());
nframes_t note_length_ms = beats_to_frames(note_length_beats)
* (1000 / (double)route_ui->session()->nominal_frame_rate());
Glib::signal_timeout().connect(sigc::bind(sigc::mem_fun(this, &MidiRegionView::play_midi_note_off), note),
note_length_ms, G_PRIORITY_DEFAULT);
}
bool
MidiRegionView::play_midi_note_off(boost::shared_ptr<NoteType> note)
{
RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
assert(route_ui);
route_ui->midi_track()->write_immediate_event(
note->off_event().size(), note->off_event().buffer());
return false;
}
bool
MidiRegionView::note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const
{
const nframes64_t note_start_frames = beats_to_frames(note->time());
bool outside = (note_start_frames - _region->start() >= _region->length()) ||
(note_start_frames < _region->start());
visible = (note->note() >= midi_stream_view()->lowest_note()) &&
(note->note() <= midi_stream_view()->highest_note());
return !outside;
}
void
MidiRegionView::update_note (CanvasNote* ev)
{
boost::shared_ptr<NoteType> note = ev->note();
const nframes64_t note_start_frames = beats_to_frames(note->time());
/* trim note display to not overlap the end of its region */
const nframes64_t note_end_frames = min (beats_to_frames (note->end_time()), _region->start() + _region->length());
const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
const double y1 = midi_stream_view()->note_to_y(note->note());
const double note_endpixel = trackview.editor().frame_to_pixel(note_end_frames - _region->start());
ev->property_x1() = x;
ev->property_y1() = y1;
if (note->length() > 0) {
ev->property_x2() = note_endpixel;
} else {
ev->property_x2() = trackview.editor().frame_to_pixel(_region->length());
}
ev->property_y2() = y1 + floor(midi_stream_view()->note_height());
if (note->length() == 0) {
if (_active_notes) {
assert(note->note() < 128);
// If this note is already active there's a stuck note,
// finish the old note rectangle
if (_active_notes[note->note()]) {
CanvasNote* const old_rect = _active_notes[note->note()];
boost::shared_ptr<NoteType> old_note = old_rect->note();
old_rect->property_x2() = x;
old_rect->property_outline_what() = (guint32) 0xF;
}
_active_notes[note->note()] = ev;
}
/* outline all but right edge */
ev->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
} else {
/* outline all edges */
ev->property_outline_what() = (guint32) 0xF;
}
}
void
MidiRegionView::update_hit (CanvasHit* ev)
{
boost::shared_ptr<NoteType> note = ev->note();
const nframes64_t note_start_frames = beats_to_frames(note->time());
const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
const double diamond_size = midi_stream_view()->note_height() / 2.0;
const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
ev->move_to (x, y);
}
/** 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)
{
CanvasNoteEvent* event = 0;
assert(note->time() >= 0);
assert(midi_view()->note_mode() == Sustained || midi_view()->note_mode() == Percussive);
ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
if (midi_view()->note_mode() == Sustained) {
CanvasNote* ev_rect = new CanvasNote(*this, *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 = midi_stream_view()->note_height() / 2.0;
CanvasHit* ev_diamond = new CanvasHit(*this, *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(_last_channel_selection);
_events.push_back(event);
if (visible) {
event->show();
} else {
event->hide ();
}
}
}
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 */
nframes64_t end_frame = _region->position() + beats_to_frames (new_note->end_time());
nframes64_t region_end = _region->position() + _region->length() - 1;
if (end_frame > region_end) {
_region->set_length (end_frame - _region->position(), this);
}
_marked_for_selection.clear ();
clear_selection ();
start_diff_command (_("step add"));
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);
}
void
MidiRegionView::add_pgm_change(PCEvent& program, const string& displaytext)
{
assert(program.time >= 0);
ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
const double x = trackview.editor().frame_to_pixel(beats_to_frames(program.time));
double height = midi_stream_view()->contents_height();
boost::shared_ptr<CanvasProgramChange> pgm_change = boost::shared_ptr<CanvasProgramChange>(
new CanvasProgramChange(*this, *group,
displaytext,
height,
x, 1.0,
_model_name,
_custom_device_mode,
program.time, program.channel, program.value));
// Show unless program change is beyond the region bounds
if (program.time - _region->start() >= _region->length() || program.time < _region->start()) {
pgm_change->hide();
} else {
pgm_change->show();
}
_pgm_changes.push_back(pgm_change);
}
void
MidiRegionView::get_patch_key_at(double time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key)
{
Evoral::Parameter bank_select_msb(MidiCCAutomation, channel, MIDI_CTL_MSB_BANK);
boost::shared_ptr<Evoral::Control> msb_control = _model->control(bank_select_msb);
double msb = 0.0;
if (msb_control != 0) {
msb = int(msb_control->get_double(true, time));
}
Evoral::Parameter bank_select_lsb(MidiCCAutomation, channel, MIDI_CTL_LSB_BANK);
boost::shared_ptr<Evoral::Control> lsb_control = _model->control(bank_select_lsb);
double lsb = 0.0;
if (lsb_control != 0) {
lsb = lsb_control->get_double(true, time);
}
Evoral::Parameter program_change(MidiPgmChangeAutomation, channel, 0);
boost::shared_ptr<Evoral::Control> program_control = _model->control(program_change);
double program_number = -1.0;
if (program_control != 0) {
program_number = program_control->get_double(true, time);
}
key.msb = (int) floor(msb + 0.5);
key.lsb = (int) floor(lsb + 0.5);
key.program_number = (int) floor(program_number + 0.5);
assert(key.is_sane());
}
void
MidiRegionView::alter_program_change(PCEvent& old_program, const MIDI::Name::PatchPrimaryKey& new_patch)
{
// TODO: Get the real event here and alter them at the original times
Evoral::Parameter bank_select_msb(MidiCCAutomation, old_program.channel, MIDI_CTL_MSB_BANK);
boost::shared_ptr<Evoral::Control> msb_control = _model->control(bank_select_msb);
if (msb_control != 0) {
msb_control->set_double(double(new_patch.msb), true, old_program.time);
}
// TODO: Get the real event here and alter them at the original times
Evoral::Parameter bank_select_lsb(MidiCCAutomation, old_program.channel, MIDI_CTL_LSB_BANK);
boost::shared_ptr<Evoral::Control> lsb_control = _model->control(bank_select_lsb);
if (lsb_control != 0) {
lsb_control->set_double(double(new_patch.lsb), true, old_program.time);
}
Evoral::Parameter program_change(MidiPgmChangeAutomation, old_program.channel, 0);
boost::shared_ptr<Evoral::Control> program_control = _model->control(program_change);
assert(program_control != 0);
program_control->set_double(float(new_patch.program_number), true, old_program.time);
_pgm_changes.clear ();
display_program_changes (); // XXX would be nice to limit to just old_program.channel
}
void
MidiRegionView::program_selected(CanvasProgramChange& program, const MIDI::Name::PatchPrimaryKey& new_patch)
{
PCEvent program_change_event(program.event_time(), program.program(), program.channel());
alter_program_change(program_change_event, new_patch);
}
void
MidiRegionView::previous_program(CanvasProgramChange& program)
{
if (program.program() < 127) {
MIDI::Name::PatchPrimaryKey key;
get_patch_key_at(program.event_time(), program.channel(), key);
PCEvent program_change_event(program.event_time(), program.program(), program.channel());
key.program_number++;
alter_program_change(program_change_event, key);
}
}
void
MidiRegionView::next_program(CanvasProgramChange& program)
{
if (program.program() > 0) {
MIDI::Name::PatchPrimaryKey key;
get_patch_key_at(program.event_time(), program.channel(), key);
PCEvent program_change_event(program.event_time(), program.program(), program.channel());
key.program_number--;
alter_program_change(program_change_event, key);
}
}
void
MidiRegionView::maybe_remove_deleted_note_from_selection (CanvasNoteEvent* cne)
{
if (_selection.empty()) {
return;
}
if (_selection.erase (cne) > 0) {
cerr << "Erased a CNE from selection\n";
}
}
void
MidiRegionView::delete_selection()
{
if (_selection.empty()) {
return;
}
start_diff_command (_("delete selection"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->selected()) {
_diff_command->remove((*i)->note());
}
}
_selection.clear();
apply_diff ();
}
void
MidiRegionView::delete_note (boost::shared_ptr<NoteType> n)
{
start_diff_command (_("delete note"));
_diff_command->remove (n);
apply_diff ();
trackview.editor().hide_verbose_canvas_cursor ();
}
void
MidiRegionView::clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev)
{
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
if ((*i)->selected() && (*i) != ev) {
(*i)->set_selected(false);
(*i)->hide_velocity();
}
}
_selection.clear();
}
void
MidiRegionView::unique_select(ArdourCanvas::CanvasNoteEvent* ev)
{
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
if ((*i) != ev) {
Selection::iterator tmp = i;
++tmp;
(*i)->set_selected (false);
_selection.erase (i);
i = tmp;
} else {
++i;
}
}
/* don't bother with removing this regionview from the editor selection,
since we're about to add another note, and thus put/keep this
regionview in the editor selection.
*/
if (!ev->selected()) {
add_to_selection (ev);
}
}
void
MidiRegionView::select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend)
{
uint8_t low_note = 127;
uint8_t high_note = 0;
MidiModel::Notes& notes (_model->notes());
_optimization_iterator = _events.begin();
if (!add) {
clear_selection ();
}
if (extend && _selection.empty()) {
extend = false;
}
if (extend) {
/* 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();
}
}
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);
CanvasNoteEvent* 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);
CanvasNoteEvent* 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(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend)
{
if (!add) {
clear_selection_except(ev);
}
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 = DBL_MAX;
Evoral::MusicalTime latest = 0;
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);
}
#if 0
/* if events were guaranteed to be time sorted, we could do this.
but as of sept 10th 2009, they no longer are.
*/
if ((*i)->note()->time() > latest) {
break;
}
#endif
}
}
}
void
MidiRegionView::note_deselected(ArdourCanvas::CanvasNoteEvent* ev)
{
remove_from_selection (ev);
}
void
MidiRegionView::update_drag_selection(double x1, double x2, double y1, double y2)
{
if (x1 > x2) {
swap (x1, x2);
}
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) {
/* check if any corner of the note is inside the rect
Notes:
1) this is computing "touched by", not "contained by" the rect.
2) this does not require that events be sorted in time.
*/
const double ix1 = (*i)->x1();
const double ix2 = (*i)->x2();
const double iy1 = (*i)->y1();
const double iy2 = (*i)->y2();
if ((ix1 >= x1 && ix1 <= x2 && iy1 >= y1 && iy1 <= y2) ||
(ix1 >= x1 && ix1 <= x2 && iy2 >= y1 && iy2 <= y2) ||
(ix2 >= x1 && ix2 <= x2 && iy1 >= y1 && iy1 <= y2) ||
(ix2 >= x1 && ix2 <= x2 && iy2 >= y1 && iy2 <= y2)) {
// Inside rectangle
if (!(*i)->selected()) {
add_to_selection (*i);
}
} else if ((*i)->selected()) {
// Not inside rectangle
remove_from_selection (*i);
}
}
}
void
MidiRegionView::remove_from_selection (CanvasNoteEvent* ev)
{
Selection::iterator i = _selection.find (ev);
if (i != _selection.end()) {
_selection.erase (i);
}
ev->set_selected (false);
ev->hide_velocity ();
if (_selection.empty()) {
PublicEditor& editor (trackview.editor());
editor.get_selection().remove (this);
}
}
void
MidiRegionView::add_to_selection (CanvasNoteEvent* ev)
{
bool add_mrv_selection = false;
if (_selection.empty()) {
add_mrv_selection = true;
}
if (_selection.insert (ev).second) {
ev->set_selected (true);
play_midi_note ((ev)->note());
}
if (add_mrv_selection) {
PublicEditor& editor (trackview.editor());
editor.get_selection().add (this);
}
}
void
MidiRegionView::move_selection(double dx, double dy)
{
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
(*i)->move_event(dx, dy);
}
}
void
MidiRegionView::note_dropped(CanvasNoteEvent *, frameoffset_t dt, int8_t dnote)
{
assert (!_selection.empty());
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_diff_command(_("move notes"));
for (Selection::iterator i = _selection.begin(); i != _selection.end() ; ++i) {
Evoral::MusicalTime new_time = frames_to_beats (beats_to_frames ((*i)->note()->time()) + dt);
if (new_time < 0) {
continue;
}
diff_add_change (*i, MidiModel::DiffCommand::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);
// keep original pitch if note is dragged outside valid midi range
if ((original_pitch != 0 && new_pitch == 0)
|| (original_pitch != 127 && new_pitch == 127)) {
new_pitch = original_pitch;
}
lowest_note_in_selection = std::min(lowest_note_in_selection, new_pitch);
highest_note_in_selection = std::max(highest_note_in_selection, new_pitch);
diff_add_change (*i, MidiModel::DiffCommand::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);
}
}
nframes64_t
MidiRegionView::snap_pixel_to_frame(double x)
{
PublicEditor& editor = trackview.editor();
// x is region relative, convert it to global absolute frames
nframes64_t frame = editor.pixel_to_frame(x) + _region->position();
editor.snap_to(frame);
return frame - _region->position(); // convert back to region relative
}
nframes64_t
MidiRegionView::snap_frame_to_frame(nframes64_t x)
{
PublicEditor& editor = trackview.editor();
// x is region relative, convert it to global absolute frames
nframes64_t frame = x + _region->position();
editor.snap_to(frame);
return frame - _region->position(); // convert back to region relative
}
double
MidiRegionView::snap_to_pixel(double x)
{
return (double) trackview.editor().frame_to_pixel(snap_pixel_to_frame(x));
}
double
MidiRegionView::get_position_pixels()
{
nframes64_t region_frame = get_position();
return trackview.editor().frame_to_pixel(region_frame);
}
double
MidiRegionView::get_end_position_pixels()
{
nframes64_t frame = get_position() + get_duration ();
return trackview.editor().frame_to_pixel(frame);
}
nframes64_t
MidiRegionView::beats_to_frames(double beats) const
{
return _time_converter.to(beats);
}
double
MidiRegionView::frames_to_beats(nframes64_t frames) const
{
return _time_converter.from(frames);
}
void
MidiRegionView::begin_resizing (bool /*at_front*/)
{
_resize_data.clear();
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
CanvasNote *note = dynamic_cast<CanvasNote *> (*i);
// only insert CanvasNotes into the map
if (note) {
NoteResizeData *resize_data = new NoteResizeData();
resize_data->canvas_note = note;
// create a new SimpleRect from the note which will be the resize preview
SimpleRect *resize_rect = new SimpleRect(
*group, note->x1(), note->y1(), note->x2(), note->y2());
// calculate the colors: get the color settings
uint32_t fill_color = UINT_RGBA_CHANGE_A(
ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(),
128);
// make the resize preview notes more transparent and bright
fill_color = UINT_INTERPOLATE(fill_color, 0xFFFFFF40, 0.5);
// calculate color based on note velocity
resize_rect->property_fill_color_rgba() = UINT_INTERPOLATE(
CanvasNoteEvent::meter_style_fill_color(note->note()->velocity(), note->selected()),
fill_color,
0.85);
resize_rect->property_outline_color_rgba() = CanvasNoteEvent::calculate_outline(
ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get());
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 (ArdourCanvas::CanvasNote* 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) {
SimpleRect* resize_rect = (*i)->resize_rect;
CanvasNote* canvas_note = (*i)->canvas_note;
double current_x;
if (at_front) {
if (relative) {
current_x = canvas_note->x1() + delta_x;
} else {
current_x = primary->x1() + delta_x;
}
} else {
if (relative) {
current_x = canvas_note->x2() + delta_x;
} else {
current_x = primary->x2() + delta_x;
}
}
if (at_front) {
resize_rect->property_x1() = snap_to_pixel(current_x);
resize_rect->property_x2() = canvas_note->x2();
} else {
resize_rect->property_x2() = snap_to_pixel(current_x);
resize_rect->property_x1() = canvas_note->x1();
}
if (!cursor_set) {
double beats;
beats = snap_pixel_to_frame (current_x);
beats = frames_to_beats (beats);
double len;
if (at_front) {
if (beats < canvas_note->note()->end_time()) {
len = canvas_note->note()->time() - beats;
len += canvas_note->note()->length();
} else {
len = 0;
}
} else {
if (beats >= canvas_note->note()->end_time()) {
len = beats - canvas_note->note()->time();
} else {
len = 0;
}
}
char buf[16];
snprintf (buf, sizeof (buf), "%.3g beats", len);
trackview.editor().show_verbose_canvas_cursor_with (buf);
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 (ArdourCanvas::CanvasNote* primary, bool at_front, double delta_x, bool relative)
{
start_diff_command(_("resize notes"));
for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
CanvasNote* canvas_note = (*i)->canvas_note;
SimpleRect* resize_rect = (*i)->resize_rect;
double current_x;
if (at_front) {
if (relative) {
current_x = canvas_note->x1() + delta_x;
} else {
current_x = primary->x1() + delta_x;
}
} else {
if (relative) {
current_x = canvas_note->x2() + delta_x;
} else {
current_x = primary->x2() + delta_x;
}
}
current_x = snap_pixel_to_frame (current_x);
current_x = frames_to_beats (current_x);
if (at_front && current_x < canvas_note->note()->end_time()) {
diff_add_change (canvas_note, MidiModel::DiffCommand::StartTime, current_x);
double len = canvas_note->note()->time() - current_x;
len += canvas_note->note()->length();
if (len > 0) {
/* XXX convert to beats */
diff_add_change (canvas_note, MidiModel::DiffCommand::Length, len);
}
}
if (!at_front) {
double len = current_x - canvas_note->note()->time();
if (len > 0) {
/* XXX convert to beats */
diff_add_change (canvas_note, MidiModel::DiffCommand::Length, len);
}
}
delete resize_rect;
delete (*i);
}
_resize_data.clear();
apply_diff();
}
void
MidiRegionView::change_note_channel (CanvasNoteEvent* event, int8_t channel)
{
diff_add_change (event, MidiModel::DiffCommand::Channel, (uint8_t) channel);
}
void
MidiRegionView::change_note_velocity(CanvasNoteEvent* 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
diff_add_change (event, MidiModel::DiffCommand::Velocity, new_velocity);
}
void
MidiRegionView::change_note_note (CanvasNoteEvent* 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);
diff_add_change (event, MidiModel::DiffCommand::NoteNumber, new_note);
}
void
MidiRegionView::trim_note (CanvasNoteEvent* event, Evoral::MusicalTime front_delta, Evoral::MusicalTime end_delta)
{
bool change_start = false;
bool change_length = false;
Evoral::MusicalTime new_start = 0;
Evoral::MusicalTime new_length = 0;
/* 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 = 0;
} 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) {
diff_add_change (event, MidiModel::DiffCommand::StartTime, new_start);
}
if (change_length) {
diff_add_change (event, MidiModel::DiffCommand::Length, new_length);
}
}
void
MidiRegionView::change_note_time (CanvasNoteEvent* event, Evoral::MusicalTime delta, bool relative)
{
Evoral::MusicalTime new_time;
if (relative) {
if (delta < 0.0) {
if (event->note()->time() < -delta) {
new_time = 0;
} else {
new_time = event->note()->time() + delta;
}
} else {
new_time = event->note()->time() + delta;
}
} else {
new_time = delta;
}
diff_add_change (event, MidiModel::DiffCommand::StartTime, new_time);
}
void
MidiRegionView::change_note_length (CanvasNoteEvent* event, Evoral::MusicalTime t)
{
diff_add_change (event, MidiModel::DiffCommand::Length, t);
}
void
MidiRegionView::change_velocities (bool up, bool fine, bool allow_smush)
{
int8_t delta;
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 == 0 || (*i)->note()->velocity() + delta == 127) {
return;
}
}
}
start_diff_command(_("change velocities"));
for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
Selection::iterator next = i;
++next;
change_note_velocity (*i, delta, true);
i = next;
}
apply_diff();
if (!_selection.empty()) {
char buf[24];
snprintf (buf, sizeof (buf), "Vel %d",
(int) (*_selection.begin())->note()->velocity());
trackview.editor().show_verbose_canvas_cursor_with (buf);
}
}
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_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 == 0.0) {
if (fine) {
delta = 1.0/128.0;
} else {
/* grab the current grid distance */
bool success;
delta = trackview.editor().get_grid_type_as_beats (success, _region->position());
if (!success) {
/* XXX cannot get grid type as beats ... should always be possible ... FIX ME */
cerr << "Grid type not available as beats - TO BE FIXED\n";
return;
}
}
}
if (shorter) {
delta = -delta;
}
start_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 : 0), (end ? delta : 0));
i = next;
}
apply_diff ();
}
void
MidiRegionView::nudge_notes (bool forward)
{
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.
*/
nframes64_t ref_point = _region->position() + beats_to_frames ((*(_selection.begin()))->note()->time());
nframes64_t unused;
nframes64_t distance;
if (trackview.editor().snap_mode() == Editing::SnapOff) {
/* grid is off - use nudge distance */
distance = trackview.editor().get_nudge_distance (ref_point, unused);
} else {
/* use grid */
nframes64_t next_pos = ref_point;
if (forward) {
/* XXX need check on max_frames, but that needs max_frames64 or something */
next_pos += 1;
} else {
if (next_pos == 0) {
return;
}
next_pos -= 1;
}
trackview.editor().snap_to (next_pos, (forward ? 1 : -1), false);
distance = ref_point - next_pos;
}
if (distance == 0) {
return;
}
Evoral::MusicalTime delta = frames_to_beats (fabs (distance));
if (!forward) {
delta = -delta;
}
start_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_diff_command(_("change channel"));
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
diff_add_change (*i, MidiModel::DiffCommand::Channel, channel);
}
apply_diff();
}
void
MidiRegionView::note_entered(ArdourCanvas::CanvasNoteEvent* ev)
{
if (_mouse_state == SelectTouchDragging) {
note_selected (ev, true);
}
show_verbose_canvas_cursor (ev->note ());
}
void
MidiRegionView::note_left (ArdourCanvas::CanvasNoteEvent* note)
{
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
(*i)->hide_velocity ();
}
trackview.editor().hide_verbose_canvas_cursor ();
}
void
MidiRegionView::switch_source(boost::shared_ptr<Source> src)
{
boost::shared_ptr<MidiSource> msrc = boost::dynamic_pointer_cast<MidiSource>(src);
if (msrc)
display_model(msrc->model());
}
void
MidiRegionView::set_frame_color()
{
if (frame) {
if (_selected && should_show_selection) {
frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
} else {
frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiFrameBase.get();
}
}
}
void
MidiRegionView::midi_channel_mode_changed(ChannelMode mode, uint16_t mask)
{
switch (mode) {
case AllChannels:
case FilterChannels:
_force_channel = -1;
break;
case ForceChannel:
_force_channel = mask;
mask = 0xFFFF; // Show all notes as active (below)
};
// Update notes for selection
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
(*i)->on_channel_selection_change(mask);
}
_last_channel_selection = mask;
}
void
MidiRegionView::midi_patch_settings_changed(std::string model, std::string custom_device_mode)
{
_model_name = model;
_custom_device_mode = custom_device_mode;
redisplay_model();
}
void
MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
{
if (_selection.empty()) {
return;
}
PublicEditor& editor (trackview.editor());
switch (op) {
case Cut:
case Copy:
editor.get_cut_buffer().add (selection_as_cut_buffer());
break;
default:
break;
}
if (op != Copy) {
start_diff_command();
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
switch (op) {
case Copy:
break;
case Cut:
case Clear:
diff_remove_note (*i);
break;
}
}
apply_diff();
}
}
MidiCutBuffer*
MidiRegionView::selection_as_cut_buffer () const
{
Notes notes;
for (Selection::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;
}
void
MidiRegionView::paste (nframes64_t pos, float times, const MidiCutBuffer& mcb)
{
if (mcb.empty()) {
return;
}
start_diff_command (_("paste"));
Evoral::MusicalTime beat_delta;
Evoral::MusicalTime paste_pos_beats;
Evoral::MusicalTime duration;
Evoral::MusicalTime end_point = 0;
duration = (*mcb.notes().rbegin())->end_time() - (*mcb.notes().begin())->time();
paste_pos_beats = frames_to_beats (pos - _region->position());
beat_delta = (*mcb.notes().begin())->time() - paste_pos_beats;
paste_pos_beats = 0;
_selection.clear ();
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 (paste_pos_beats + copied_note->time() - beat_delta);
/* make all newly added notes selected */
diff_add_note (copied_note, true);
end_point = copied_note->end_time();
}
paste_pos_beats += duration;
}
/* if we pasted past the current end of the region, extend the region */
nframes64_t end_frame = _region->position() + beats_to_frames (end_point);
nframes64_t region_end = _region->position() + _region->length() - 1;
if (end_frame > region_end) {
trackview.session()->begin_reversible_command (_("paste"));
_region->clear_history ();
_region->set_length (end_frame, this);
trackview.session()->add_command (new StatefulDiffCommand (_region));
}
apply_diff ();
}
struct EventNoteTimeEarlyFirstComparator {
bool operator() (CanvasNoteEvent* a, CanvasNoteEvent* 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 ()
{
// nframes64_t pos = -1;
bool use_next = false;
if (_events.back()->selected()) {
return;
}
time_sort_events ();
for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
if ((*i)->selected()) {
use_next = true;
continue;
} else if (use_next) {
unique_select (*i);
// pos = _region->position() + beats_to_frames ((*i)->note()->time());
return;
}
}
/* use the first one */
unique_select (_events.front());
}
void
MidiRegionView::goto_previous_note ()
{
// nframes64_t pos = -1;
bool use_next = false;
if (_events.front()->selected()) {
return;
}
time_sort_events ();
for (Events::reverse_iterator i = _events.rbegin(); i != _events.rend(); ++i) {
if ((*i)->selected()) {
use_next = true;
continue;
} else if (use_next) {
unique_select (*i);
// pos = _region->position() + beats_to_frames ((*i)->note()->time());
return;
}
}
/* use the last one */
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)
{
_last_ghost_x = x;
_last_ghost_y = y;
group->w2i (x, y);
nframes64_t f = trackview.editor().pixel_to_frame (x) + _region->position ();
trackview.editor().snap_to (f);
f -= _region->position ();
bool success;
Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, f);
if (!success) {
beats = 1;
}
double length = frames_to_beats (snap_frame_to_frame (f + beats_to_frames (beats)) - f);
_ghost_note->note()->set_time (frames_to_beats (f + _region->start()));
_ghost_note->note()->set_length (length);
_ghost_note->note()->set_note (midi_stream_view()->y_to_note (y));
update_note (_ghost_note);
show_verbose_canvas_cursor (_ghost_note->note ());
}
void
MidiRegionView::create_ghost_note (double x, double y)
{
delete _ghost_note;
_ghost_note = 0;
boost::shared_ptr<NoteType> g (new NoteType);
_ghost_note = new NoEventCanvasNote (*this, *group, g);
update_ghost_note (x, y);
_ghost_note->show ();
_last_ghost_x = x;
_last_ghost_y = y;
show_verbose_canvas_cursor (_ghost_note->note ());
}
void
MidiRegionView::snap_changed ()
{
if (!_ghost_note) {
return;
}
create_ghost_note (_last_ghost_x, _last_ghost_y);
}
void
MidiRegionView::show_verbose_canvas_cursor (boost::shared_ptr<NoteType> n) const
{
char buf[24];
snprintf (buf, sizeof (buf), "%s (%d)\nVel %d",
Evoral::midi_note_name (n->note()).c_str(),
(int) n->note (),
(int) n->velocity());
trackview.editor().show_verbose_canvas_cursor_with (buf);
}
void
MidiRegionView::drop_down_keys ()
{
_mouse_state = None;
}
void
MidiRegionView::maybe_select_by_position (GdkEventButton* ev, double x, double y)
{
double note = midi_stream_view()->y_to_note(y);
Events e;
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
cerr << "Selecting by position\n";
uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
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::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
_step_edit_cursor = new ArdourCanvas::SimpleRect (*group);
_step_edit_cursor->property_y1() = 0;
_step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
_step_edit_cursor->property_fill_color_rgba() = RGBA_TO_UINT (45,0,0,90);
_step_edit_cursor->property_outline_color_rgba() = 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().frame_to_pixel (beats_to_frames (pos));
_step_edit_cursor->property_x1() = 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->property_x2() = _step_edit_cursor->property_x1() + trackview.editor().frame_to_pixel (beats_to_frames (beats));
}
}
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