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livetrax/gtk2_ardour/midi_time_axis.cc
Paul Davis f450df300c fully implement and deploy explicit x-thread signal connection syntax (testing comes next)
git-svn-id: svn://localhost/ardour2/branches/3.0@6379 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-12-21 18:23:07 +00:00

741 lines
21 KiB
C++

/*
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 <gtkmm2ext/gtk_ui.h>
#include <gtkmm2ext/selector.h>
#include <gtkmm2ext/stop_signal.h>
#include <gtkmm2ext/bindable_button.h>
#include <gtkmm2ext/utils.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 "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 "utils.h"
#include "ardour/midi_track.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
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)
{
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, ui_bind (&MidiTimeAxisView::processors_changed, this, _1), gui_context());
if (is_track()) {
_piano_roll_header = new PianoRollHeader(*midi_view());
_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 ();
}
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);
boost::shared_ptr<MidiDiskstream> diskstream = midi_track()->midi_diskstream();
// restore channel selector settings
_channel_selector.set_channel_mode(diskstream->get_channel_mode(),
diskstream->get_channel_mask());
_channel_selector.mode_changed.connect(
sigc::mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::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;
}
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();
} 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;
if (default_channel_menu == 0) {
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;
RouteTimeAxisView::build_automation_action_menu ();
MenuList& automation_items = automation_action_menu->items();
automation_items.push_back (SeparatorElem());
automation_items.push_back (MenuElem (_("Controller..."),
sigc::mem_fun(*this, &MidiTimeAxisView::add_cc_track)));
automation_items.push_back (MenuElem (_("Program Change"),
sigc::bind(sigc::mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
Evoral::Parameter(MidiPgmChangeAutomation))));
automation_items.push_back (MenuElem (_("Bender"),
sigc::bind(sigc::mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
Evoral::Parameter(MidiPitchBenderAutomation))));
automation_items.push_back (MenuElem (_("Pressure"),
sigc::bind(sigc::mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
Evoral::Parameter(MidiChannelPressureAutomation))));
}
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_diskstream();
}
}
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_diskstream();
}
}
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_diskstream()->
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_diskstream()->
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 ();
}
/** Prompt for a controller with a dialog and add an automation track for it
*/
void
MidiTimeAxisView::add_cc_track()
{
int response;
Evoral::Parameter param(0, 0, 0);
{
AddMidiCCTrackDialog dialog;
dialog.set_transient_for (_editor);
response = dialog.run();
if (response == Gtk::RESPONSE_ACCEPT)
param = dialog.parameter();
}
if (param.type() != 0 && response == Gtk::RESPONSE_ACCEPT)
create_automation_child(param, true);
}
/** Add an automation track for the given parameter (pitch bend, channel pressure).
*/
void
MidiTimeAxisView::add_parameter_track(const Evoral::Parameter& param)
{
if ( !EventTypeMap::instance().is_midi_parameter(param) ) {
error << "MidiTimeAxisView: unknown automation child "
<< ARDOUR::EventTypeMap::instance().to_symbol(param) << endmsg;
return;
}
// create the parameter lane for each selected channel
uint16_t selected_channels = _channel_selector.get_selected_channels();
for (uint8_t i = 0; i < 16; i++) {
if (selected_channels & (0x0001 << i)) {
Evoral::Parameter param_with_channel(param.type(), i, param.id());
create_automation_child(param_with_channel, true);
}
}
}
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_beat_pos = 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_view = 0;
}
midi_track()->set_step_editing (true);
}
void
MidiTimeAxisView::stop_step_editing ()
{
midi_track()->set_step_editing (false);
}
void
MidiTimeAxisView::check_step_edit ()
{
MidiRingBuffer<nframes_t>& incoming (midi_track()->step_edit_ring_buffer());
Evoral::Note<Evoral::MusicalTime> note;
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) {
if (step_edit_region == 0) {
step_edit_region = add_region (step_edit_insert_position);
RegionView* rv = view()->find_view (step_edit_region);
if (rv) {
step_edit_region_view = dynamic_cast<MidiRegionView*>(rv);
} else {
fatal << X_("programming error: no view found for new MIDI region") << endmsg;
/*NOTREACHED*/
}
}
if (step_edit_region_view) {
bool success;
Evoral::MusicalTime beats = _editor.get_grid_type_as_beats (success, step_edit_insert_position);
if (!success) {
continue;
}
step_edit_region_view->add_note (buf[0] & 0xf, buf[1], buf[2], step_edit_beat_pos, beats);
step_edit_beat_pos += beats;
}
}
}
}
void
MidiTimeAxisView::step_edit_rest ()
{
bool success;
Evoral::MusicalTime beats = _editor.get_grid_type_as_beats (success, step_edit_insert_position);
step_edit_beat_pos += beats;
}
boost::shared_ptr<Region>
MidiTimeAxisView::add_region (nframes64_t pos)
{
Editor* real_editor = dynamic_cast<Editor*> (&_editor);
real_editor->begin_reversible_command (_("create region"));
XMLNode &before = playlist()->get_state();
nframes64_t start = pos;
real_editor->snap_to (start, -1);
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()));
const boost::shared_ptr<MidiDiskstream> diskstream =
boost::dynamic_pointer_cast<MidiDiskstream>(view()->trackview().track()->diskstream());
boost::shared_ptr<Source> src = _session->create_midi_source_for_session (*diskstream.get());
boost::shared_ptr<Region> region = (RegionFactory::create (src, 0, (nframes_t) length,
PBD::basename_nosuffix(src->name())));
playlist()->add_region (region, start);
XMLNode &after = playlist()->get_state();
_session->add_command (new MementoCommand<Playlist> (*playlist().get(), &before, &after));
real_editor->commit_reversible_command();
return region;
}