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-rw-r--r--gtk2_ardour/midi_region_view.cc91
-rw-r--r--gtk2_ardour/midi_region_view.h4
-rw-r--r--gtk2_ardour/midi_scroomer.h3
-rw-r--r--gtk2_ardour/midi_time_axis.cc200
-rw-r--r--gtk2_ardour/midi_time_axis.h10
-rw-r--r--gtk2_ardour/piano_roll_header.cc110
-rw-r--r--gtk2_ardour/piano_roll_header.h5
-rw-r--r--gtk2_ardour/streamview.cc23
-rw-r--r--gtk2_ardour/streamview.h3
9 files changed, 403 insertions, 46 deletions
diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index bf6dfa7a2c..681be7520e 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -90,6 +90,7 @@ MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
+ , no_sound_notes (false)
{
_note_group->raise_to_top();
}
@@ -112,6 +113,7 @@ MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
+ , no_sound_notes (false)
{
_note_group->raise_to_top();
@@ -135,6 +137,7 @@ MidiRegionView::MidiRegionView (const MidiRegionView& other)
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
+ , no_sound_notes (false)
{
Gdk::Color c;
int r,g,b,a;
@@ -161,6 +164,7 @@ MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<M
, _sort_needed (true)
, _optimization_iterator (_events.end())
, _list_editor (0)
+ , no_sound_notes (false)
{
Gdk::Color c;
int r,g,b,a;
@@ -1147,7 +1151,7 @@ MidiRegionView::extend_active_notes()
void
MidiRegionView::play_midi_note(boost::shared_ptr<NoteType> note)
{
- if (!trackview.editor().sound_notes()) {
+ if (no_sound_notes || !trackview.editor().sound_notes()) {
return;
}
@@ -1531,6 +1535,91 @@ MidiRegionView::unique_select(ArdourCanvas::CanvasNoteEvent* 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 (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 (((0x0001 << 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) {
diff --git a/gtk2_ardour/midi_region_view.h b/gtk2_ardour/midi_region_view.h
index 9a9ea3c265..77e046d9cd 100644
--- a/gtk2_ardour/midi_region_view.h
+++ b/gtk2_ardour/midi_region_view.h
@@ -198,6 +198,9 @@ class MidiRegionView : public RegionView
void move_selection(double dx, double dy);
void note_dropped(ArdourCanvas::CanvasNoteEvent* ev, double d_pixels, int8_t d_note);
+ void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
+ void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
+
/** Return true iff the note is within the extent of the region.
* @param visible will be set to true if the note is within the visible note range, false otherwise.
*/
@@ -399,6 +402,7 @@ class MidiRegionView : public RegionView
void update_hit (ArdourCanvas::CanvasHit*);
MidiListEditor* _list_editor;
+ bool no_sound_notes;
};
diff --git a/gtk2_ardour/midi_scroomer.h b/gtk2_ardour/midi_scroomer.h
index 30f77b79e1..5f758c727d 100644
--- a/gtk2_ardour/midi_scroomer.h
+++ b/gtk2_ardour/midi_scroomer.h
@@ -24,12 +24,11 @@
#include <gdkmm/pixbuf.h>
class MidiScroomer : public Gtkmm2ext::Scroomer {
-public:
+ public:
MidiScroomer(Gtk::Adjustment&);
~MidiScroomer();
bool on_expose_event(GdkEventExpose*);
-
void on_size_request(Gtk::Requisition*);
void on_size_allocate(Gtk::Allocation&);
diff --git a/gtk2_ardour/midi_time_axis.cc b/gtk2_ardour/midi_time_axis.cc
index 32a69ba218..f647dd9dcc 100644
--- a/gtk2_ardour/midi_time_axis.cc
+++ b/gtk2_ardour/midi_time_axis.cc
@@ -52,6 +52,8 @@
#include "ardour/tempo.h"
#include "ardour/utils.h"
+#include "midi++/names.h"
+
#include "add_midi_cc_track_dialog.h"
#include "ardour_ui.h"
#include "automation_line.h"
@@ -142,6 +144,11 @@ MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess,
if (is_track()) {
_piano_roll_header = new PianoRollHeader(*midi_view());
+
+ _piano_roll_header->AddNoteSelection.connect (sigc::mem_fun (*this, &MidiTimeAxisView::add_note_selection));
+ _piano_roll_header->ExtendNoteSelection.connect (sigc::mem_fun (*this, &MidiTimeAxisView::extend_note_selection));
+ _piano_roll_header->ToggleNoteSelection.connect (sigc::mem_fun (*this, &MidiTimeAxisView::toggle_note_selection));
+
_range_scroomer = new MidiScroomer(midi_view()->note_range_adjustment);
controls_hbox.pack_start(*_range_scroomer);
@@ -208,6 +215,8 @@ MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess,
_percussion_mode_item->set_active (_note_mode == Percussive);
}
}
+
+ build_controller_menu ();
}
MidiTimeAxisView::~MidiTimeAxisView ()
@@ -217,6 +226,8 @@ MidiTimeAxisView::~MidiTimeAxisView ()
delete _range_scroomer;
_range_scroomer = 0;
+
+ delete controller_menu;
}
void MidiTimeAxisView::model_changed()
@@ -372,12 +383,131 @@ MidiTimeAxisView::build_automation_action_menu ()
MenuList& automation_items = automation_action_menu->items();
automation_items.push_back (SeparatorElem());
- automation_items.push_back (MenuElem (_("Show Controller..."),
- sigc::mem_fun(*this, &MidiTimeAxisView::add_cc_track)));
add_basic_parameter_menu_item (automation_items, _("Program Change"), Evoral::Parameter (MidiPgmChangeAutomation));
add_basic_parameter_menu_item (automation_items, _("Bender"), Evoral::Parameter (MidiPitchBenderAutomation));
add_basic_parameter_menu_item (automation_items, _("Pressure"), Evoral::Parameter (MidiChannelPressureAutomation));
+
+ if (controller_menu) {
+
+ if (controller_menu->gobj()) {
+ if (controller_menu->get_attach_widget()) {
+ controller_menu->detach();
+ }
+ }
+
+ automation_items.push_back (MenuElem (_("Controllers"), *controller_menu));
+ }
+}
+
+void
+MidiTimeAxisView::build_controller_menu ()
+{
+ using namespace Menu_Helpers;
+
+ controller_menu = new Menu; // not managed
+ MenuList& items (controller_menu->items());
+
+ /* create several "top level" menu items for sets of controllers (16 at a time), and populate each one with a submenu
+ for each controller+channel combination covering the currently selected channels for this track
+ */
+
+ uint16_t selected_channels = _channel_selector.get_selected_channels();
+
+ /* count the number of selected channels because we will build a different menu structure if there is more than 1 selected.
+ */
+
+ int chn_cnt = 0;
+
+ for (uint8_t chn = 0; chn < 16; chn++) {
+ if (selected_channels & (0x0001 << chn)) {
+ if (++chn_cnt > 1) {
+ break;
+ }
+ }
+ }
+
+ for (int i = 0; i < 127; i += 16) {
+
+ Menu* ctl_menu = manage (new Menu);
+ MenuList& ctl_items (ctl_menu->items());
+
+ for (int ctl = i; ctl < i+16; ++ctl) {
+
+
+ if (chn_cnt > 1) {
+
+ /* multiple channels - create a submenu, with 1 item per channel */
+
+ Menu* chn_menu = manage (new Menu);
+ MenuList& chn_items (chn_menu->items());
+
+ for (uint8_t chn = 0; chn < 16; chn++) {
+ if (selected_channels & (0x0001 << chn)) {
+
+ /* for each selected channel, add a menu item for this controller */
+
+ Evoral::Parameter fully_qualified_param (MidiCCAutomation, chn, ctl);
+ chn_items.push_back (CheckMenuElem (string_compose (_("Channel %1"), chn+1),
+ sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::toggle_parameter_track),
+ fully_qualified_param)));
+
+ RouteAutomationNode* node = automation_track (fully_qualified_param);
+ bool visible = false;
+
+ if (node) {
+ if (node->track->marked_for_display()) {
+ visible = true;
+ }
+ }
+
+ CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&chn_items.back());
+ cmi->set_active (visible);
+
+ parameter_menu_map[fully_qualified_param] = cmi;
+ }
+ }
+
+ /* add the per-channel menu to the list of controllers, with the name of the controller */
+
+ ctl_items.push_back (MenuElem (midi_name (ctl), *chn_menu));
+
+ } else {
+
+ /* just one channel - create a single menu item for this ctl+channel combination*/
+
+ for (uint8_t chn = 0; chn < 16; chn++) {
+ if (selected_channels & (0x0001 << chn)) {
+
+ Evoral::Parameter fully_qualified_param (MidiCCAutomation, chn, ctl);
+ ctl_items.push_back (CheckMenuElem (_route->describe_parameter (fully_qualified_param),
+ sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::toggle_parameter_track),
+ fully_qualified_param)));
+
+ RouteAutomationNode* node = automation_track (fully_qualified_param);
+ bool visible = false;
+
+ if (node) {
+ if (node->track->marked_for_display()) {
+ visible = true;
+ }
+ }
+
+ CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&ctl_items.back());
+ cmi->set_active (visible);
+
+ parameter_menu_map[fully_qualified_param] = cmi;
+ /* one channel only */
+ break;
+ }
+ }
+ }
+ }
+
+ /* add the menu for this block of controllers to the overall controller menu */
+
+ items.push_back (MenuElem (string_compose (_("Controllers %1-%2"), i+1, i+16), *ctl_menu));
+ }
}
void
@@ -811,3 +941,69 @@ MidiTimeAxisView::add_region (nframes64_t pos)
return region;
}
+
+void
+MidiTimeAxisView::add_note_selection (uint8_t note)
+{
+ if (!_editor.internal_editing()) {
+ return;
+ }
+
+ uint16_t chn_mask = _channel_selector.get_selected_channels();
+
+ if (_view->num_selected_regionviews() == 0) {
+ _view->foreach_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::add_note_selection_region_view), note, chn_mask));
+ } else {
+ _view->foreach_selected_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::add_note_selection_region_view), note, chn_mask));
+ }
+}
+
+void
+MidiTimeAxisView::extend_note_selection (uint8_t note)
+{
+ if (!_editor.internal_editing()) {
+ return;
+ }
+
+ uint16_t chn_mask = _channel_selector.get_selected_channels();
+
+ if (_view->num_selected_regionviews() == 0) {
+ _view->foreach_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::extend_note_selection_region_view), note, chn_mask));
+ } else {
+ _view->foreach_selected_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::extend_note_selection_region_view), note, chn_mask));
+ }
+}
+
+void
+MidiTimeAxisView::toggle_note_selection (uint8_t note)
+{
+ if (!_editor.internal_editing()) {
+ return;
+ }
+
+ uint16_t chn_mask = _channel_selector.get_selected_channels();
+
+ if (_view->num_selected_regionviews() == 0) {
+ _view->foreach_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::toggle_note_selection_region_view), note, chn_mask));
+ } else {
+ _view->foreach_selected_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::toggle_note_selection_region_view), note, chn_mask));
+ }
+}
+
+void
+MidiTimeAxisView::add_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask)
+{
+ dynamic_cast<MidiRegionView*>(rv)->select_matching_notes (note, chn_mask, false, false);
+}
+
+void
+MidiTimeAxisView::extend_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask)
+{
+ dynamic_cast<MidiRegionView*>(rv)->select_matching_notes (note, chn_mask, true, true);
+}
+
+void
+MidiTimeAxisView::toggle_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask)
+{
+ dynamic_cast<MidiRegionView*>(rv)->toggle_matching_notes (note, chn_mask);
+}
diff --git a/gtk2_ardour/midi_time_axis.h b/gtk2_ardour/midi_time_axis.h
index 3aa4abb158..2d2c012811 100644
--- a/gtk2_ardour/midi_time_axis.h
+++ b/gtk2_ardour/midi_time_axis.h
@@ -146,6 +146,16 @@ class MidiTimeAxisView : public RouteTimeAxisView
typedef std::map<Evoral::Parameter,Gtk::CheckMenuItem*> ParameterMenuMap;
ParameterMenuMap parameter_menu_map;
+
+ Gtk::Menu* controller_menu;
+ void build_controller_menu ();
+
+ void add_note_selection (uint8_t note);
+ void extend_note_selection (uint8_t note);
+ void toggle_note_selection (uint8_t note);
+ void add_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask);
+ void extend_note_selection_region_view (RegionView*, uint8_t note, uint16_t chn_mask);
+ void toggle_note_selection_region_view (RegionView*, uint8_t note, uint16_t chn_mask);
};
#endif /* __ardour_midi_time_axis_h__ */
diff --git a/gtk2_ardour/piano_roll_header.cc b/gtk2_ardour/piano_roll_header.cc
index 39c48f0164..e88f551e91 100644
--- a/gtk2_ardour/piano_roll_header.cc
+++ b/gtk2_ardour/piano_roll_header.cc
@@ -20,6 +20,8 @@
#include "evoral/midi_events.h"
#include "ardour/midi_track.h"
+#include "gtkmm2ext/keyboard.h"
+
#include "piano_roll_header.h"
#include "midi_time_axis.h"
#include "midi_streamview.h"
@@ -27,6 +29,7 @@
const int no_note = 0xff;
using namespace std;
+using namespace Gtkmm2ext;
PianoRollHeader::Color PianoRollHeader::white = PianoRollHeader::Color(0.77f, 0.78f, 0.76f);
PianoRollHeader::Color PianoRollHeader::white_highlight = PianoRollHeader::Color(0.87f, 0.88f, 0.86f);
@@ -458,28 +461,31 @@ PianoRollHeader::on_expose_event (GdkEventExpose* ev)
bool
PianoRollHeader::on_motion_notify_event (GdkEventMotion* ev)
{
- int note = _view.y_to_note(ev->y);
-
- if (_highlighted_note != no_note) {
- if (note > _highlighted_note) {
- invalidate_note_range(_highlighted_note, note);
- } else {
- invalidate_note_range(note, _highlighted_note);
- }
-
- _highlighted_note = note;
- }
-
- /* redraw already taken care of above */
- if (_clicked_note != no_note && _clicked_note != note) {
- _active_notes[_clicked_note] = false;
- send_note_off(_clicked_note);
+ if (_dragging) {
- _clicked_note = note;
+ int note = _view.y_to_note(ev->y);
- if (!_active_notes[note]) {
- _active_notes[note] = true;
- send_note_on(note);
+ if (_highlighted_note != no_note) {
+ if (note > _highlighted_note) {
+ invalidate_note_range(_highlighted_note, note);
+ } else {
+ invalidate_note_range(note, _highlighted_note);
+ }
+
+ _highlighted_note = note;
+ }
+
+ /* redraw already taken care of above */
+ if (_clicked_note != no_note && _clicked_note != note) {
+ _active_notes[_clicked_note] = false;
+ send_note_off(_clicked_note);
+
+ _clicked_note = note;
+
+ if (!_active_notes[note]) {
+ _active_notes[note] = true;
+ send_note_on(note);
+ }
}
}
@@ -493,18 +499,25 @@ PianoRollHeader::on_button_press_event (GdkEventButton* ev)
{
int note = _view.y_to_note(ev->y);
- if (ev->type == GDK_BUTTON_PRESS && note >= 0 && note < 128) {
- add_modal_grab();
- _dragging = true;
-
- if (!_active_notes[note]) {
- _active_notes[note] = true;
- _clicked_note = note;
- send_note_on(note);
-
- invalidate_note_range(note, note);
- } else {
- _clicked_note = no_note;
+ if (ev->button == 2) {
+ send_note_on (note);
+ /* relax till release */
+ } else {
+
+ if (ev->type == GDK_BUTTON_PRESS && note >= 0 && note < 128) {
+
+ add_modal_grab();
+ _dragging = true;
+
+ if (!_active_notes[note]) {
+ _active_notes[note] = true;
+ _clicked_note = note;
+ send_note_on(note);
+
+ invalidate_note_range(note, note);
+ } else {
+ _clicked_note = no_note;
+ }
}
}
@@ -516,17 +529,31 @@ PianoRollHeader::on_button_release_event (GdkEventButton* ev)
{
int note = _view.y_to_note(ev->y);
- if (_dragging) {
- remove_modal_grab();
- _dragging = false;
-
- if (note == _clicked_note) {
- _active_notes[note] = false;
- _clicked_note = no_note;
- send_note_off(note);
+ if (ev->button == 2) {
+ send_note_off (note);
- invalidate_note_range(note, note);
+ if (Keyboard::no_modifiers_active (ev->state)) {
+ AddNoteSelection (note); // EMIT SIGNAL
+ } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
+ ToggleNoteSelection (note); // EMIT SIGNAL
+ } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::RangeSelectModifier)) {
+ ExtendNoteSelection (note); // EMIT SIGNAL
}
+
+ } else {
+
+ if (_dragging) {
+ remove_modal_grab();
+ _dragging = false;
+
+ if (note == _clicked_note) {
+ _active_notes[note] = false;
+ _clicked_note = no_note;
+ send_note_off(note);
+
+ invalidate_note_range(note, note);
+ }
+ }
}
return true;
@@ -672,3 +699,4 @@ PianoRollHeader::send_note_off(uint8_t note)
track->write_immediate_event(3, _event);
}
}
+
diff --git a/gtk2_ardour/piano_roll_header.h b/gtk2_ardour/piano_roll_header.h
index 7369303e5d..453c32468d 100644
--- a/gtk2_ardour/piano_roll_header.h
+++ b/gtk2_ardour/piano_roll_header.h
@@ -1,5 +1,6 @@
/*
Copyright (C) 2008 Paul Davis
+ Author: Audan Holland ??
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
@@ -57,6 +58,10 @@ public:
double b;
};
+ sigc::signal<void,uint8_t> AddNoteSelection;
+ sigc::signal<void,uint8_t> ToggleNoteSelection;
+ sigc::signal<void,uint8_t> ExtendNoteSelection;
+
private:
static Color white;
static Color white_highlight;
diff --git a/gtk2_ardour/streamview.cc b/gtk2_ardour/streamview.cc
index e7914051a7..b93606fbe8 100644
--- a/gtk2_ardour/streamview.cc
+++ b/gtk2_ardour/streamview.cc
@@ -470,6 +470,19 @@ StreamView::find_view (boost::shared_ptr<const Region> region)
return 0;
}
+uint32_t
+StreamView::num_selected_regionviews () const
+{
+ uint32_t cnt = 0;
+
+ for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
+ if ((*i)->get_selected()) {
+ ++cnt;
+ }
+ }
+ return cnt;
+}
+
void
StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
{
@@ -479,6 +492,16 @@ StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
}
void
+StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
+{
+ for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+ if ((*i)->get_selected()) {
+ slot (*i);
+ }
+ }
+}
+
+void
StreamView::set_selected_regionviews (RegionSelection& regions)
{
bool selected;
diff --git a/gtk2_ardour/streamview.h b/gtk2_ardour/streamview.h
index d28dc37133..b32d75d5ac 100644
--- a/gtk2_ardour/streamview.h
+++ b/gtk2_ardour/streamview.h
@@ -87,8 +87,11 @@ public:
Gdk::Color get_region_color () const { return region_color; }
void apply_color (Gdk::Color&, ColorTarget t);
+ uint32_t num_selected_regionviews () const;
+
RegionView* find_view (boost::shared_ptr<const ARDOUR::Region>);
void foreach_regionview (sigc::slot<void,RegionView*> slot);
+ void foreach_selected_regionview (sigc::slot<void,RegionView*> slot);
void set_selected_regionviews (RegionSelection&);
void get_selectables (nframes_t, nframes_t, double, double, std::list<Selectable* >&);