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livetrax/gtk2_ardour/midi_time_axis.cc
Paul Davis 95813bfaec when adding a new region for step editing, do rounding-snap, not backwards-snap, to get the region position 
git-svn-id: svn://localhost/ardour2/branches/3.0@7602 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-08-11 22:21:38 +00:00

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/*
Copyright (C) 2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <string>
#include <vector>
#include <sigc++/bind.h>
#include "pbd/error.h"
#include "pbd/stl_delete.h"
#include "pbd/whitespace.h"
#include "pbd/basename.h"
#include "pbd/enumwriter.h"
#include "pbd/memento_command.h"
#include "pbd/stateful_diff_command.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/selector.h"
#include "gtkmm2ext/bindable_button.h"
#include "gtkmm2ext/utils.h"
#include "ardour/file_source.h"
#include "ardour/midi_playlist.h"
#include "ardour/midi_diskstream.h"
#include "ardour/midi_patch_manager.h"
#include "ardour/midi_source.h"
#include "ardour/processor.h"
#include "ardour/ladspa_plugin.h"
#include "ardour/location.h"
#include "ardour/playlist.h"
#include "ardour/region_factory.h"
#include "ardour/session.h"
#include "ardour/session_playlist.h"
#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"
#include "automation_time_axis.h"
#include "canvas-note-event.h"
#include "canvas_impl.h"
#include "crossfade_view.h"
#include "editor.h"
#include "enums.h"
#include "ghostregion.h"
#include "gui_thread.h"
#include "keyboard.h"
#include "midi_scroomer.h"
#include "midi_streamview.h"
#include "midi_region_view.h"
#include "midi_time_axis.h"
#include "piano_roll_header.h"
#include "playlist_selector.h"
#include "plugin_selector.h"
#include "plugin_ui.h"
#include "point_selection.h"
#include "prompter.h"
#include "region_view.h"
#include "rgb_macros.h"
#include "selection.h"
#include "simplerect.h"
#include "step_entry.h"
#include "utils.h"
#include "ardour/midi_track.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace Editing;
// Minimum height at which a control is displayed
static const uint32_t MIDI_CONTROLS_BOX_MIN_HEIGHT = 162;
static const uint32_t KEYBOARD_MIN_HEIGHT = 140;
MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess,
boost::shared_ptr<Route> rt, Canvas& canvas)
: AxisView(sess) // virtually inherited
, RouteTimeAxisView(ed, sess, rt, canvas)
, _ignore_signals(false)
, _range_scroomer(0)
, _piano_roll_header(0)
, _note_mode(Sustained)
, _note_mode_item(0)
, _percussion_mode_item(0)
, _color_mode(MeterColors)
, _meter_color_mode_item(0)
, _channel_color_mode_item(0)
, _track_color_mode_item(0)
, _step_edit_item (0)
, _midi_thru_item (0)
, default_channel_menu (0)
, controller_menu (0)
, step_editor (0)
{
subplugin_menu.set_name ("ArdourContextMenu");
_view = new MidiStreamView (*this);
ignore_toggle = false;
mute_button->set_active (false);
solo_button->set_active (false);
step_edit_insert_position = 0;
if (is_midi_track()) {
controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
_note_mode = midi_track()->note_mode();
} else { // MIDI bus (which doesn't exist yet..)
controls_ebox.set_name ("MidiBusControlsBaseUnselected");
}
/* map current state of the route */
processors_changed (RouteProcessorChange ());
ensure_xml_node ();
set_state (*xml_node, Stateful::loading_state_version);
_route->processors_changed.connect (*this, invalidator (*this), ui_bind (&MidiTimeAxisView::processors_changed, this, _1), gui_context());
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);
controls_hbox.pack_start(*_piano_roll_header);
controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
controls_base_selected_name = "MidiTrackControlsBaseSelected";
controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
midi_view()->NoteRangeChanged.connect (sigc::mem_fun(*this, &MidiTimeAxisView::update_range));
/* ask for notifications of any new RegionViews */
_view->RegionViewAdded.connect (sigc::mem_fun(*this, &MidiTimeAxisView::region_view_added));
_view->attach ();
midi_track()->PlaylistChanged.connect (*this, invalidator (*this),
boost::bind (&MidiTimeAxisView::playlist_changed, this),
gui_context());
playlist_changed ();
}
HBox* midi_controls_hbox = manage(new HBox());
MIDI::Name::MidiPatchManager& patch_manager = MIDI::Name::MidiPatchManager::instance();
MIDI::Name::MasterDeviceNames::Models::const_iterator m = patch_manager.all_models().begin();
for (; m != patch_manager.all_models().end(); ++m) {
_model_selector.append_text(m->c_str());
}
_model_selector.signal_changed().connect(sigc::mem_fun(*this, &MidiTimeAxisView::model_changed));
_custom_device_mode_selector.signal_changed().connect(
sigc::mem_fun(*this, &MidiTimeAxisView::custom_device_mode_changed));
// TODO: persist the choice
// this initializes the comboboxes and sends out the signal
_model_selector.set_active(0);
midi_controls_hbox->pack_start(_channel_selector, true, false);
if (!patch_manager.all_models().empty()) {
_midi_controls_box.pack_start(_model_selector, true, false);
_midi_controls_box.pack_start(_custom_device_mode_selector, true, false);
}
_midi_controls_box.pack_start(*midi_controls_hbox, true, true);
controls_vbox.pack_start(_midi_controls_box, false, false);
// restore channel selector settings
_channel_selector.set_channel_mode(midi_track()->get_channel_mode(), midi_track()->get_channel_mask());
_channel_selector.mode_changed.connect(
sigc::mem_fun(*midi_track(), &MidiTrack::set_channel_mode));
_channel_selector.mode_changed.connect(
sigc::mem_fun(*this, &MidiTimeAxisView::set_channel_mode));
XMLProperty *prop;
if ((prop = xml_node->property ("color-mode")) != 0) {
_color_mode = ColorMode (string_2_enum(prop->value(), _color_mode));
if (_color_mode == ChannelColors) {
_channel_selector.set_channel_colors(CanvasNoteEvent::midi_channel_colors);
}
}
if ((prop = xml_node->property ("note-mode")) != 0) {
_note_mode = NoteMode (string_2_enum(prop->value(), _note_mode));
if (_percussion_mode_item) {
_percussion_mode_item->set_active (_note_mode == Percussive);
}
}
}
MidiTimeAxisView::~MidiTimeAxisView ()
{
delete _piano_roll_header;
_piano_roll_header = 0;
delete _range_scroomer;
_range_scroomer = 0;
delete controller_menu;
}
void
MidiTimeAxisView::playlist_changed ()
{
step_edit_region_connection.disconnect ();
midi_track()->playlist()->RegionRemoved.connect (step_edit_region_connection, invalidator (*this),
ui_bind (&MidiTimeAxisView::region_removed, this, _1),
gui_context());
}
void
MidiTimeAxisView::region_removed (boost::weak_ptr<Region> wr)
{
boost::shared_ptr<Region> r (wr.lock());
if (!r) {
return;
}
if (step_edit_region == r) {
step_edit_region.reset();
// force a recompute of the insert position
step_edit_beat_pos = -1.0;
}
}
void MidiTimeAxisView::model_changed()
{
std::list<std::string> device_modes = MIDI::Name::MidiPatchManager::instance()
.custom_device_mode_names_by_model(_model_selector.get_active_text());
_custom_device_mode_selector.clear_items();
for (std::list<std::string>::const_iterator i = device_modes.begin();
i != device_modes.end(); ++i) {
cerr << "found custom device mode " << *i << " thread_id: " << pthread_self() << endl;
_custom_device_mode_selector.append_text(*i);
}
_custom_device_mode_selector.set_active(0);
}
void MidiTimeAxisView::custom_device_mode_changed()
{
_midi_patch_settings_changed.emit(_model_selector.get_active_text(),
_custom_device_mode_selector.get_active_text());
}
MidiStreamView*
MidiTimeAxisView::midi_view()
{
return dynamic_cast<MidiStreamView*>(_view);
}
guint32
MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
{
ensure_xml_node ();
xml_node->add_property ("shown-editor", "yes");
guint32 ret = TimeAxisView::show_at (y, nth, parent);
return ret;
}
void
MidiTimeAxisView::hide ()
{
ensure_xml_node ();
xml_node->add_property ("shown-editor", "no");
TimeAxisView::hide ();
}
void
MidiTimeAxisView::set_height (uint32_t h)
{
RouteTimeAxisView::set_height (h);
if (height >= MIDI_CONTROLS_BOX_MIN_HEIGHT) {
_midi_controls_box.show_all ();
} else {
_midi_controls_box.hide();
}
if (height >= KEYBOARD_MIN_HEIGHT) {
if (is_track() && _range_scroomer)
_range_scroomer->show();
if (is_track() && _piano_roll_header)
_piano_roll_header->show();
} else {
if (is_track() && _range_scroomer)
_range_scroomer->hide();
if (is_track() && _piano_roll_header)
_piano_roll_header->hide();
}
}
void
MidiTimeAxisView::append_extra_display_menu_items ()
{
using namespace Menu_Helpers;
MenuList& items = display_menu->items();
// Note range
Menu *range_menu = manage(new Menu);
MenuList& range_items = range_menu->items();
range_menu->set_name ("ArdourContextMenu");
range_items.push_back (MenuElem (_("Show Full Range"), sigc::bind (
sigc::mem_fun(*this, &MidiTimeAxisView::set_note_range),
MidiStreamView::FullRange)));
range_items.push_back (MenuElem (_("Fit Contents"), sigc::bind (
sigc::mem_fun(*this, &MidiTimeAxisView::set_note_range),
MidiStreamView::ContentsRange)));
items.push_back (MenuElem (_("Note range"), *range_menu));
items.push_back (MenuElem (_("Note mode"), *build_note_mode_menu()));
items.push_back (MenuElem (_("Default Channel"), *build_def_channel_menu()));
items.push_back (CheckMenuElem (_("MIDI Thru"), sigc::mem_fun(*this, &MidiTimeAxisView::toggle_midi_thru)));
_midi_thru_item = dynamic_cast<CheckMenuItem*>(&items.back());
}
Gtk::Menu*
MidiTimeAxisView::build_def_channel_menu ()
{
using namespace Menu_Helpers;
default_channel_menu = manage (new Menu ());
uint8_t defchn = midi_track()->default_channel();
MenuList& def_channel_items = default_channel_menu->items();
RadioMenuItem* item;
RadioMenuItem::Group dc_group;
for (int i = 0; i < 16; ++i) {
char buf[4];
snprintf (buf, sizeof (buf), "%d", i+1);
def_channel_items.push_back (RadioMenuElem (dc_group, buf,
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_default_channel), i)));
item = dynamic_cast<RadioMenuItem*>(&def_channel_items.back());
item->set_active ((i == defchn));
}
return default_channel_menu;
}
void
MidiTimeAxisView::set_default_channel (int chn)
{
midi_track()->set_default_channel (chn);
}
void
MidiTimeAxisView::toggle_midi_thru ()
{
if (!_midi_thru_item) {
return;
}
bool view_yn = _midi_thru_item->get_active();
if (view_yn != midi_track()->midi_thru()) {
midi_track()->set_midi_thru (view_yn);
}
}
void
MidiTimeAxisView::build_automation_action_menu ()
{
using namespace Menu_Helpers;
/* If we have a controller menu, we need to detach it before
RouteTimeAxis::build_automation_action_menu destroys the
menu it is attached to. Otherwise GTK destroys
controller_menu's gobj, meaning that it can't be reattached
below. See bug #3134.
*/
if (controller_menu) {
detach_menu (*controller_menu);
}
_channel_command_menu_map.clear ();
RouteTimeAxisView::build_automation_action_menu ();
MenuList& automation_items = automation_action_menu->items();
uint16_t selected_channels = _channel_selector.get_selected_channels();
if (selected_channels != 0) {
automation_items.push_back (SeparatorElem());
/* these 3 MIDI "command" types are semantically more like automation than note data,
but they are not MIDI controllers. We give them special status in this menu, since
they will not show up in the controller list and anyone who actually knows
something about MIDI (!) would not expect to find them there.
*/
add_channel_command_menu_item (automation_items, _("Program Change"), MidiPgmChangeAutomation, 0);
add_channel_command_menu_item (automation_items, _("Bender"), MidiPitchBenderAutomation, 0);
add_channel_command_menu_item (automation_items, _("Pressure"), MidiChannelPressureAutomation, 0);
/* now all MIDI controllers. Always offer the possibility that we will rebuild the controllers menu
since it might need to be updated after a channel mode change or other change. Also detach it
first in case it has been used anywhere else.
*/
build_controller_menu ();
automation_items.push_back (SeparatorElem());
automation_items.push_back (MenuElem (_("Controllers"), *controller_menu));
} else {
automation_items.push_back (MenuElem (string_compose ("<i>%1</i>", _("No MIDI Channels selected"))));
}
}
void
MidiTimeAxisView::change_all_channel_tracks_visibility (bool yn, Evoral::Parameter param)
{
uint16_t selected_channels = _channel_selector.get_selected_channels();
for (uint8_t chn = 0; chn < 16; chn++) {
if (selected_channels & (0x0001 << chn)) {
Evoral::Parameter fully_qualified_param (param.type(), chn, param.id());
Gtk::CheckMenuItem* menu = automation_child_menu_item (fully_qualified_param);
if (menu) {
menu->set_active (yn);
}
}
}
}
void
MidiTimeAxisView::add_channel_command_menu_item (Menu_Helpers::MenuList& items, const string& label, AutomationType auto_type, uint8_t cmd)
{
using namespace Menu_Helpers;
/* count the number of selected channels because we will build a different menu structure if there is more than 1 selected.
*/
uint16_t selected_channels = _channel_selector.get_selected_channels();
int chn_cnt = 0;
for (uint8_t chn = 0; chn < 16; chn++) {
if (selected_channels & (0x0001 << chn)) {
if (++chn_cnt > 1) {
break;
}
}
}
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());
Evoral::Parameter param_without_channel (auto_type, 0, cmd);
/* add a couple of items to hide/show all of them */
chn_items.push_back (MenuElem (_("Hide all channels"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::change_all_channel_tracks_visibility),
false, param_without_channel)));
chn_items.push_back (MenuElem (_("Show all channels"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::change_all_channel_tracks_visibility),
true, param_without_channel)));
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 (auto_type, chn, cmd);
chn_items.push_back (CheckMenuElem (string_compose (_("Channel %1"), chn+1),
sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
fully_qualified_param)));
boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
bool visible = false;
if (track) {
if (track->marked_for_display()) {
visible = true;
}
}
CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&chn_items.back());
_channel_command_menu_map[fully_qualified_param] = cmi;
cmi->set_active (visible);
}
}
/* now create an item in the parent menu that has the per-channel list as a submenu */
items.push_back (MenuElem (label, *chn_menu));
} else {
/* just one channel - create a single menu item for this command+channel combination*/
for (uint8_t chn = 0; chn < 16; chn++) {
if (selected_channels & (0x0001 << chn)) {
Evoral::Parameter fully_qualified_param (auto_type, chn, cmd);
items.push_back (CheckMenuElem (label,
sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
fully_qualified_param)));
boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
bool visible = false;
if (track) {
if (track->marked_for_display()) {
visible = true;
}
}
CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&items.back());
_channel_command_menu_map[fully_qualified_param] = cmi;
cmi->set_active (visible);
/* one channel only */
break;
}
}
}
}
void
MidiTimeAxisView::build_controller_menu ()
{
using namespace Menu_Helpers;
if (controller_menu) {
/* it exists and has not been invalidated by a channel mode change, so just return it */
return;
}
controller_menu = new Menu; // explicitly managed by us
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;
}
}
}
/* loop over all 127 MIDI controllers, in groups of 16 */
for (int i = 0; i < 127; i += 16) {
Menu* ctl_menu = manage (new Menu);
MenuList& ctl_items (ctl_menu->items());
/* for each controller, consider whether to create a submenu or a single item */
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());
/* add a couple of items to hide/show this controller on all channels */
Evoral::Parameter param_without_channel (MidiCCAutomation, 0, ctl);
chn_items.push_back (MenuElem (_("Hide all channels"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::change_all_channel_tracks_visibility),
false, param_without_channel)));
chn_items.push_back (MenuElem (_("Show all channels"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::change_all_channel_tracks_visibility),
true, param_without_channel)));
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, &RouteTimeAxisView::toggle_automation_track),
fully_qualified_param)));
boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
bool visible = false;
if (track) {
if (track->marked_for_display()) {
visible = true;
}
}
CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&chn_items.back());
_controller_menu_map[fully_qualified_param] = cmi;
cmi->set_active (visible);
}
}
/* add the per-channel menu to the list of controllers, with the name of the controller */
ctl_items.push_back (MenuElem (string_compose ("<b>%1</b>: %2", ctl, midi_name (ctl)), *chn_menu));
dynamic_cast<Label*> (ctl_items.back().get_child())->set_use_markup (true);
} 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, &RouteTimeAxisView::toggle_automation_track),
fully_qualified_param)));
boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
bool visible = false;
if (track) {
if (track->marked_for_display()) {
visible = true;
}
}
CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&ctl_items.back());
_controller_menu_map[fully_qualified_param] = cmi;
cmi->set_active (visible);
/* 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, i+15), *ctl_menu));
}
}
Gtk::Menu*
MidiTimeAxisView::build_note_mode_menu()
{
using namespace Menu_Helpers;
Menu* mode_menu = manage (new Menu);
MenuList& items = mode_menu->items();
mode_menu->set_name ("ArdourContextMenu");
RadioMenuItem::Group mode_group;
items.push_back (RadioMenuElem (mode_group, _("Sustained"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
_note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
_note_mode_item->set_active(_note_mode == Sustained);
items.push_back (RadioMenuElem (mode_group, _("Percussive"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
_percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
_percussion_mode_item->set_active(_note_mode == Percussive);
return mode_menu;
}
Gtk::Menu*
MidiTimeAxisView::build_color_mode_menu()
{
using namespace Menu_Helpers;
Menu* mode_menu = manage (new Menu);
MenuList& items = mode_menu->items();
mode_menu->set_name ("ArdourContextMenu");
RadioMenuItem::Group mode_group;
items.push_back (RadioMenuElem (mode_group, _("Meter Colors"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_color_mode), MeterColors)));
_meter_color_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
_meter_color_mode_item->set_active(_color_mode == MeterColors);
items.push_back (RadioMenuElem (mode_group, _("Channel Colors"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_color_mode), ChannelColors)));
_channel_color_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
_channel_color_mode_item->set_active(_color_mode == ChannelColors);
items.push_back (RadioMenuElem (mode_group, _("Track Color"),
sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_color_mode), TrackColor)));
_channel_color_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
_channel_color_mode_item->set_active(_color_mode == TrackColor);
return mode_menu;
}
void
MidiTimeAxisView::set_note_mode(NoteMode mode)
{
if (_note_mode != mode || midi_track()->note_mode() != mode) {
_note_mode = mode;
midi_track()->set_note_mode(mode);
xml_node->add_property ("note-mode", enum_2_string(_note_mode));
_view->redisplay_track();
}
}
void
MidiTimeAxisView::set_color_mode(ColorMode mode)
{
if (_color_mode != mode) {
if (mode == ChannelColors) {
_channel_selector.set_channel_colors(CanvasNoteEvent::midi_channel_colors);
} else {
_channel_selector.set_default_channel_color();
}
_color_mode = mode;
xml_node->add_property ("color-mode", enum_2_string(_color_mode));
_view->redisplay_track();
}
}
void
MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
{
if (!_ignore_signals)
midi_view()->set_note_range(range);
}
void
MidiTimeAxisView::update_range()
{
MidiGhostRegion* mgr;
for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
mgr->update_range();
}
}
}
void
MidiTimeAxisView::show_all_automation ()
{
if (midi_track()) {
const set<Evoral::Parameter> params = midi_track()->midi_playlist()->contained_automation();
for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
create_automation_child(*i, true);
}
}
RouteTimeAxisView::show_all_automation ();
}
void
MidiTimeAxisView::show_existing_automation ()
{
if (midi_track()) {
const set<Evoral::Parameter> params = midi_track()->midi_playlist()->contained_automation();
for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
create_automation_child(*i, true);
}
}
RouteTimeAxisView::show_existing_automation ();
}
/** Create an automation track for the given parameter (pitch bend, channel pressure).
*/
void
MidiTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
{
/* These controllers are region "automation", so we do not create
* an AutomationList/Line for the track */
if (param.type() == NullAutomation) {
cerr << "WARNING: Attempt to create NullAutomation child, ignoring" << endl;
return;
}
AutomationTracks::iterator existing = _automation_tracks.find (param);
if (existing != _automation_tracks.end()) {
return;
}
boost::shared_ptr<AutomationControl> c = _route->get_control (param);
assert(c);
boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
_route, boost::shared_ptr<ARDOUR::Automatable>(), c,
_editor,
*this,
true,
parent_canvas,
_route->describe_parameter(param)));
add_automation_child (param, track, show);
}
void
MidiTimeAxisView::route_active_changed ()
{
RouteUI::route_active_changed ();
if (is_track()) {
if (_route->active()) {
controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
controls_base_selected_name = "MidiTrackControlsBaseSelected";
controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
} else {
controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
}
} else {
throw; // wha?
if (_route->active()) {
controls_ebox.set_name ("BusControlsBaseUnselected");
controls_base_selected_name = "BusControlsBaseSelected";
controls_base_unselected_name = "BusControlsBaseUnselected";
} else {
controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
controls_base_selected_name = "BusControlsBaseInactiveSelected";
controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
}
}
}
void
MidiTimeAxisView::start_step_editing ()
{
step_edit_insert_position = _editor.get_preferred_edit_position ();
_step_edit_triplet_countdown = 0;
_step_edit_within_chord = 0;
_step_edit_chord_duration = 0.0;
step_edit_region = playlist()->top_region_at (step_edit_insert_position);
if (step_edit_region) {
RegionView* rv = view()->find_view (step_edit_region);
step_edit_region_view = dynamic_cast<MidiRegionView*> (rv);
} else {
step_edit_region = add_region (step_edit_insert_position);
RegionView* rv = view()->find_view (step_edit_region);
step_edit_region_view = dynamic_cast<MidiRegionView*>(rv);
}
assert (step_edit_region);
assert (step_edit_region_view);
if (step_editor == 0) {
step_editor = new StepEntry (*this);
step_editor->signal_delete_event().connect (sigc::mem_fun (*this, &MidiTimeAxisView::step_editor_hidden));
step_editor->signal_hide().connect (sigc::mem_fun (*this, &MidiTimeAxisView::step_editor_hide));
}
framecnt_t frames_from_start = _editor.get_preferred_edit_position() - step_edit_region->position();
assert (frames_from_start >= 0);
step_edit_beat_pos = step_edit_region_view->frames_to_beats (frames_from_start);
step_edit_region_view->show_step_edit_cursor (step_edit_beat_pos);
step_edit_region_view->set_step_edit_cursor_width (step_editor->note_length());
step_editor->set_position (WIN_POS_MOUSE);
step_editor->present ();
}
bool
MidiTimeAxisView::step_editor_hidden (GdkEventAny*)
{
step_editor_hide ();
return true;
}
void
MidiTimeAxisView::step_editor_hide ()
{
/* everything else will follow the change in the model */
midi_track()->set_step_editing (false);
}
void
MidiTimeAxisView::stop_step_editing ()
{
if (step_editor) {
step_editor->hide ();
}
if (step_edit_region_view) {
step_edit_region_view->hide_step_edit_cursor();
}
}
void
MidiTimeAxisView::check_step_edit ()
{
MidiRingBuffer<nframes_t>& incoming (midi_track()->step_edit_ring_buffer());
uint8_t* buf;
uint32_t bufsize = 32;
buf = new uint8_t[bufsize];
while (incoming.read_space()) {
nframes_t time;
Evoral::EventType type;
uint32_t size;
incoming.read_prefix (&time, &type, &size);
if (size > bufsize) {
delete [] buf;
bufsize = size;
buf = new uint8_t[bufsize];
}
incoming.read_contents (size, buf);
if ((buf[0] & 0xf0) == MIDI_CMD_NOTE_ON) {
step_add_note (buf[0] & 0xf, buf[1], buf[2], 0.0);
}
}
}
int
MidiTimeAxisView::step_add_bank_change (uint8_t channel, uint8_t bank)
{
return 0;
}
int
MidiTimeAxisView::step_add_program_change (uint8_t channel, uint8_t program)
{
return 0;
}
int
MidiTimeAxisView::step_add_note (uint8_t channel, uint8_t pitch, uint8_t velocity, Evoral::MusicalTime beat_duration)
{
if (step_edit_region && step_edit_region_view) {
if (beat_duration == 0.0) {
bool success;
beat_duration = _editor.get_grid_type_as_beats (success, step_edit_insert_position);
if (!success) {
return -1;
}
}
MidiStreamView* msv = midi_view();
/* make sure its visible on the vertical axis */
if (pitch < msv->lowest_note() || pitch > msv->highest_note()) {
msv->update_note_range (pitch);
msv->set_note_range (MidiStreamView::ContentsRange);
}
/* make sure its visible on the horizontal axis */
nframes64_t fpos = step_edit_region->position() +
step_edit_region_view->beats_to_frames (step_edit_beat_pos + beat_duration);
if (fpos >= (_editor.leftmost_position() + _editor.current_page_frames())) {
_editor.reset_x_origin (fpos - (_editor.current_page_frames()/4));
}
step_edit_region_view->step_add_note (channel, pitch, velocity, step_edit_beat_pos, beat_duration);
if (_step_edit_triplet_countdown > 0) {
_step_edit_triplet_countdown--;
if (_step_edit_triplet_countdown == 0) {
_step_edit_triplet_countdown = 3;
}
}
if (!_step_edit_within_chord) {
step_edit_beat_pos += beat_duration;
step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
} else {
step_edit_beat_pos += 1.0/Meter::ticks_per_beat; // tiny, but no longer overlapping
_step_edit_chord_duration = max (_step_edit_chord_duration, beat_duration);
}
}
return 0;
}
void
MidiTimeAxisView::set_step_edit_cursor_width (Evoral::MusicalTime beats)
{
if (step_edit_region_view) {
step_edit_region_view->set_step_edit_cursor_width (beats);
}
}
bool
MidiTimeAxisView::step_edit_within_triplet() const
{
return _step_edit_triplet_countdown > 0;
}
bool
MidiTimeAxisView::step_edit_within_chord() const
{
return _step_edit_within_chord;
}
void
MidiTimeAxisView::step_edit_toggle_triplet ()
{
if (_step_edit_triplet_countdown == 0) {
_step_edit_within_chord = false;
_step_edit_triplet_countdown = 3;
} else {
_step_edit_triplet_countdown = 0;
}
}
void
MidiTimeAxisView::step_edit_toggle_chord ()
{
if (_step_edit_within_chord) {
_step_edit_within_chord = false;
step_edit_beat_pos += _step_edit_chord_duration;
step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
} else {
_step_edit_triplet_countdown = 0;
_step_edit_within_chord = true;
}
}
void
MidiTimeAxisView::step_edit_rest (Evoral::MusicalTime beats)
{
bool success;
if (beats == 0.0) {
beats = _editor.get_grid_type_as_beats (success, step_edit_insert_position);
} else {
success = true;
}
if (success) {
step_edit_beat_pos += beats;
step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
}
}
void
MidiTimeAxisView::step_edit_beat_sync ()
{
step_edit_beat_pos = ceil (step_edit_beat_pos);
step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
}
void
MidiTimeAxisView::step_edit_bar_sync ()
{
if (!_session || !step_edit_region_view || !step_edit_region) {
return;
}
nframes64_t fpos = step_edit_region->position() +
step_edit_region_view->beats_to_frames (step_edit_beat_pos);
fpos = _session->tempo_map().round_to_bar (fpos, 1);
step_edit_beat_pos = ceil (step_edit_region_view->frames_to_beats (fpos - step_edit_region->position()));
step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
}
boost::shared_ptr<Region>
MidiTimeAxisView::add_region (framepos_t pos)
{
Editor* real_editor = dynamic_cast<Editor*> (&_editor);
real_editor->begin_reversible_command (_("create region"));
playlist()->clear_history ();
framepos_t start = pos;
real_editor->snap_to (start, 0);
cerr << "Snap backwards from " << pos << " gave us " << start << endl;
const Meter& m = _session->tempo_map().meter_at(start);
const Tempo& t = _session->tempo_map().tempo_at(start);
double length = floor (m.frames_per_bar(t, _session->frame_rate()));
boost::shared_ptr<Source> src = _session->create_midi_source_for_session (view()->trackview().track().get(),
view()->trackview().track()->name());
PropertyList plist;
plist.add (ARDOUR::Properties::start, 0);
plist.add (ARDOUR::Properties::length, length);
plist.add (ARDOUR::Properties::name, PBD::basename_nosuffix(src->name()));
boost::shared_ptr<Region> region = (RegionFactory::create (src, plist));
playlist()->add_region (region, start);
_session->add_command (new StatefulDiffCommand (playlist()));
real_editor->commit_reversible_command();
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);
}
void
MidiTimeAxisView::set_channel_mode (ChannelMode, uint16_t)
{
/* hide all automation tracks that use the wrong channel(s) and show all those that use
the right ones.
*/
uint16_t selected_channels = _channel_selector.get_selected_channels();
bool changed = false;
no_redraw = true;
for (uint32_t ctl = 0; ctl < 127; ++ctl) {
for (uint32_t chn = 0; chn < 16; ++chn) {
Evoral::Parameter fully_qualified_param (MidiCCAutomation, chn, ctl);
boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
if (!track) {
continue;
}
if ((selected_channels & (0x0001 << chn)) == 0) {
/* channel not in use. hiding it will trigger RouteTimeAxisView::automation_track_hidden()
which will cause a redraw. We don't want one per channel, so block that with no_redraw.
*/
changed = track->set_visibility (false) || changed;
} else {
changed = track->set_visibility (true) || changed;
}
}
}
no_redraw = false;
/* TODO: Bender, PgmChange, Pressure */
/* invalidate the controller menu, so that we rebuilt it next time */
_controller_menu_map.clear ();
delete controller_menu;
controller_menu = 0;
if (changed) {
_route->gui_changed ("track_height", this);
}
}
Gtk::CheckMenuItem*
MidiTimeAxisView::automation_child_menu_item (Evoral::Parameter param)
{
Gtk::CheckMenuItem* m = RouteTimeAxisView::automation_child_menu_item (param);
if (m) {
return m;
}
ParameterMenuMap::iterator i = _controller_menu_map.find (param);
if (i != _controller_menu_map.end()) {
return i->second;
}
i = _channel_command_menu_map.find (param);
if (i != _channel_command_menu_map.end()) {
return i->second;
}
return 0;
}
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