gtk2_ardour/midi_time_axis.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include <cstdlib>
  20 #include <cmath>
  21
  22 #include <algorithm>
  23 #include <string>
  24 #include <vector>
  25
  26 #include <sigc++/bind.h>
  27
  28 #include <pbd/error.h>
  29 #include <pbd/stl_delete.h>
  30 #include <pbd/whitespace.h>
  31
  32 #include <gtkmm2ext/gtk_ui.h>
  33 #include <gtkmm2ext/selector.h>
  34 #include <gtkmm2ext/stop_signal.h>
  35 #include <gtkmm2ext/bindable_button.h>
  36 #include <gtkmm2ext/utils.h>
  37
  38 #include <ardour/midi_playlist.h>
  39 #include <ardour/midi_diskstream.h>
  40 #include <ardour/processor.h>
  41 #include <ardour/ladspa_plugin.h>
  42 #include <ardour/location.h>
  43 #include <ardour/playlist.h>
  44 #include <ardour/session.h>
  45 #include <ardour/session_playlist.h>
  46 #include <ardour/utils.h>
  47
  48 #include "ardour_ui.h"
  49 #include "midi_time_axis.h"
  50 #include "automation_time_axis.h"
  51 #include "automation_line.h"
  52 #include "add_midi_cc_track_dialog.h"
  53 #include "canvas_impl.h"
  54 #include "crossfade_view.h"
  55 #include "enums.h"
  56 #include "gui_thread.h"
  57 #include "keyboard.h"
  58 #include "playlist_selector.h"
  59 #include "plugin_selector.h"
  60 #include "plugin_ui.h"
  61 #include "point_selection.h"
  62 #include "prompter.h"
  63 #include "public_editor.h"
  64 #include "region_view.h"
  65 #include "rgb_macros.h"
  66 #include "selection.h"
  67 #include "simplerect.h"
  68 #include "midi_streamview.h"
  69 #include "utils.h"
  70 #include "midi_scroomer.h"
  71 #include "piano_roll_header.h"
  72 #include "ghostregion.h"
  73
  74 #include <ardour/midi_track.h>
  75
  76 #include "i18n.h"
  77
  78 using namespace ARDOUR;
  79 using namespace PBD;
  80 using namespace Gtk;
  81 using namespace sigc;
  82 using namespace Editing;
  83
  84
  85 MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  86         : AxisView(sess) // virtually inherited
  87         , RouteTimeAxisView(ed, sess, rt, canvas)
  88         , _ignore_signals(false)
  89         , _range_scroomer(0)
  90         , _piano_roll_header(0)
  91         , _note_mode(Sustained)
  92         , _note_mode_item(NULL)
  93         , _percussion_mode_item(NULL)
  94         , _midi_expander("MIDI")
  95 {
  96         subplugin_menu.set_name ("ArdourContextMenu");
  97
  98         _view = new MidiStreamView (*this);
  99
 100         ignore_toggle = false;
 101
 102         mute_button->set_active (false);
 103         solo_button->set_active (false);
 104
 105         if (is_midi_track()) {
 106                 controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
 107                 _note_mode = midi_track()->note_mode();
 108         } else { // MIDI bus (which doesn't exist yet..)
 109                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
 110         }
 111
 112         /* map current state of the route */
 113
 114         processors_changed ();
 115
 116         ensure_xml_node ();
 117
 118         set_state (*xml_node);
 119
 120         _route->processors_changed.connect (mem_fun(*this, &MidiTimeAxisView::processors_changed));
 121
 122         if (is_track()) {
 123                 _piano_roll_header = new PianoRollHeader(*midi_view());
 124                 _range_scroomer = new MidiScroomer(midi_view()->note_range_adjustment);
 125
 126                 controls_hbox.pack_start(*_range_scroomer);
 127                 controls_hbox.pack_start(*_piano_roll_header);
 128
 129                 controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 130                 controls_base_selected_name = "MidiTrackControlsBaseSelected";
 131                 controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 132
 133                 midi_view()->NoteRangeChanged.connect (mem_fun(*this, &MidiTimeAxisView::update_range));
 134
 135                 /* ask for notifications of any new RegionViews */
 136                 _view->RegionViewAdded.connect (mem_fun(*this, &MidiTimeAxisView::region_view_added));
 137                 _view->attach ();
 138         }
 139
 140         // add channel selector expander
 141         HBox *channel_selector_box = manage(new HBox());
 142         channel_selector_box->pack_start(_channel_selector, SHRINK, 0);
 143         _midi_expander.add(*channel_selector_box);
 144         _midi_expander.property_expanded().signal_changed().connect(
 145                         mem_fun(this, &MidiTimeAxisView::channel_selector_toggled));
 146         controls_vbox.pack_end(_midi_expander, SHRINK, 0);
 147         boost::shared_ptr<MidiDiskstream> diskstream = midi_track()->midi_diskstream();
 148
 149         // restore channel selector settings
 150         _channel_selector.set_channel_mode(diskstream->get_channel_mode(), diskstream->get_channel_mask());
 151         _channel_selector.mode_changed.connect(
 152                 mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_channel_mode));
 153
 154 }
 155
 156 MidiTimeAxisView::~MidiTimeAxisView ()
 157 {
 158         delete _piano_roll_header;
 159         _piano_roll_header = 0;
 160
 161         delete _range_scroomer;
 162         _range_scroomer = 0;
 163 }
 164
 165 MidiStreamView*
 166 MidiTimeAxisView::midi_view()
 167 {
 168         return dynamic_cast<MidiStreamView*>(_view);
 169 }
 170
 171 guint32
 172 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 173 {
 174         ensure_xml_node ();
 175         xml_node->add_property ("shown_editor", "yes");
 176
 177         guint32 ret = TimeAxisView::show_at (y, nth, parent);
 178         _piano_roll_header->show();
 179         _range_scroomer->show();
 180         return ret;
 181 }
 182
 183 void
 184 MidiTimeAxisView::hide ()
 185 {
 186         ensure_xml_node ();
 187         xml_node->add_property ("shown_editor", "no");
 188
 189         TimeAxisView::hide ();
 190 }
 191
 192 void
 193 MidiTimeAxisView::append_extra_display_menu_items ()
 194 {
 195         using namespace Menu_Helpers;
 196
 197         MenuList& items = display_menu->items();
 198
 199         // Note range
 200         Menu *range_menu = manage(new Menu);
 201         MenuList& range_items = range_menu->items();
 202         range_menu->set_name ("ArdourContextMenu");
 203
 204         range_items.push_back (MenuElem (_("Show Full Range"), bind (
 205                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 206                         MidiStreamView::FullRange)));
 207
 208         range_items.push_back (MenuElem (_("Fit Contents"), bind (
 209                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 210                         MidiStreamView::ContentsRange)));
 211
 212         items.push_back (MenuElem (_("Note range"), *range_menu));
 213 }
 214
 215 void
 216 MidiTimeAxisView::build_automation_action_menu ()
 217 {
 218         using namespace Menu_Helpers;
 219
 220         RouteTimeAxisView::build_automation_action_menu ();
 221
 222         MenuList& automation_items = automation_action_menu->items();
 223
 224         automation_items.push_back (SeparatorElem());
 225         automation_items.push_back (MenuElem (_("Controller..."),
 226                         mem_fun(*this, &MidiTimeAxisView::add_cc_track)));
 227         automation_items.push_back (MenuElem (_("Bender"),
 228                         sigc::bind(mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
 229                                 Parameter(MidiPitchBenderAutomation))));
 230         automation_items.push_back (MenuElem (_("Pressure"),
 231                         sigc::bind(mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
 232                                 Parameter(MidiChannelPressureAutomation))));
 233
 234 }
 235
 236 Gtk::Menu*
 237 MidiTimeAxisView::build_mode_menu()
 238 {
 239         using namespace Menu_Helpers;
 240
 241         Menu* mode_menu = manage (new Menu);
 242         MenuList& items = mode_menu->items();
 243         mode_menu->set_name ("ArdourContextMenu");
 244
 245         RadioMenuItem::Group mode_group;
 246         items.push_back (RadioMenuElem (mode_group, _("Sustained"),
 247                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
 248         _note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 249         _note_mode_item->set_active(_note_mode == Sustained);
 250
 251         items.push_back (RadioMenuElem (mode_group, _("Percussive"),
 252                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
 253         _percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 254         _percussion_mode_item->set_active(_note_mode == Percussive);
 255
 256         return mode_menu;
 257 }
 258
 259 void
 260 MidiTimeAxisView::set_note_mode(NoteMode mode)
 261 {
 262         if (_note_mode != mode || midi_track()->note_mode() != mode) {
 263                 _note_mode = mode;
 264                 midi_track()->set_note_mode(mode);
 265                 _view->redisplay_diskstream();
 266         }
 267 }
 268
 269
 270 void
 271 MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
 272 {
 273         if (!_ignore_signals)
 274                 midi_view()->set_note_range(range);
 275 }
 276
 277
 278 void
 279 MidiTimeAxisView::update_range()
 280 {
 281         MidiGhostRegion* mgr;
 282
 283         for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 284                 if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
 285                         mgr->update_range();
 286                 }
 287         }
 288 }
 289
 290 void
 291 MidiTimeAxisView::show_all_automation ()
 292 {
 293         if (midi_track()) {
 294                 const set<Parameter> params = midi_track()->midi_diskstream()->
 295                                 midi_playlist()->contained_automation();
 296
 297                 for (set<Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 298                         create_automation_child(*i, true);
 299                 }
 300         }
 301
 302         RouteTimeAxisView::show_all_automation ();
 303 }
 304
 305 void
 306 MidiTimeAxisView::show_existing_automation ()
 307 {
 308         if (midi_track()) {
 309                 const set<Parameter> params = midi_track()->midi_diskstream()->
 310                                 midi_playlist()->contained_automation();
 311
 312                 for (set<Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 313                         create_automation_child(*i, true);
 314                 }
 315         }
 316
 317         RouteTimeAxisView::show_existing_automation ();
 318 }
 319
 320 /** Prompt for a controller with a dialog and add an automation track for it
 321  */
 322 void
 323 MidiTimeAxisView::add_cc_track()
 324 {
 325         int response;
 326         Parameter param;
 327
 328         {
 329                 AddMidiCCTrackDialog dialog;
 330                 dialog.set_transient_for(editor);
 331                 response = dialog.run();
 332
 333                 if (response == Gtk::RESPONSE_ACCEPT)
 334                         param = dialog.parameter();
 335         }
 336
 337         if (response == Gtk::RESPONSE_ACCEPT)
 338                 create_automation_child(param, true);
 339 }
 340
 341
 342 /** Add an automation track for the given parameter (pitch bend, channel pressure).
 343  */
 344 void
 345 MidiTimeAxisView::add_parameter_track(const Parameter& param)
 346 {
 347         create_automation_child(param, true);
 348 }
 349
 350 void
 351 MidiTimeAxisView::create_automation_child (const Parameter& param, bool show)
 352 {
 353         if (    param.type() == MidiCCAutomation ||
 354                         param.type() == MidiPgmChangeAutomation ||
 355                         param.type() == MidiPitchBenderAutomation ||
 356                         param.type() == MidiChannelPressureAutomation
 357            ) {
 358
 359                 /* These controllers are region "automation", so we do not create
 360                  * an AutomationList/Line for the track */
 361
 362                 AutomationTracks::iterator existing = _automation_tracks.find(param);
 363                 if (existing != _automation_tracks.end())
 364                         return;
 365
 366                 boost::shared_ptr<AutomationControl> c
 367                         = boost::dynamic_pointer_cast<AutomationControl>(_route->data().control(param));
 368
 369                 if (!c) {
 370                         c = boost::dynamic_pointer_cast<AutomationControl>(_route->control_factory(param));
 371                         _route->add_control(c);
 372                 }
 373
 374                 boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
 375                                 _route, boost::shared_ptr<ARDOUR::Automatable>(), c,
 376                                 editor,
 377                                 *this,
 378                                 true,
 379                                 parent_canvas,
 380                                 _route->describe_parameter(param)));
 381
 382                 add_automation_child(param, track, show);
 383
 384         } else {
 385                 error << "MidiTimeAxisView: unknown automation child " << param.symbol() << endmsg;
 386         }
 387 }
 388
 389 void
 390 MidiTimeAxisView::route_active_changed ()
 391 {
 392         RouteUI::route_active_changed ();
 393
 394         if (is_track()) {
 395                 if (_route->active()) {
 396                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 397                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
 398                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 399                 } else {
 400                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
 401                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
 402                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
 403                 }
 404         } else {
 405
 406                 throw; // wha?
 407
 408                 if (_route->active()) {
 409                         controls_ebox.set_name ("BusControlsBaseUnselected");
 410                         controls_base_selected_name = "BusControlsBaseSelected";
 411                         controls_base_unselected_name = "BusControlsBaseUnselected";
 412                 } else {
 413                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 414                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 415                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 416                 }
 417         }
 418 }
 419
 420 void
 421 MidiTimeAxisView::channel_selector_toggled()
 422 {
 423         static uint32_t previous_height;
 424
 425         if(_midi_expander.property_expanded()) {
 426
 427                 previous_height = current_height();
 428
 429                 if (previous_height < TimeAxisView::hLargest) {
 430                         set_height (TimeAxisView::hLarge);
 431                 }
 432
 433         } else {
 434
 435                 set_height (previous_height);
 436         }
 437 }
 438
 439
 440