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) // FIXME: won't compile without this, why??
  87         , RouteTimeAxisView(ed, sess, rt, canvas)
  88         , _range_scroomer(0)
  89         , _piano_roll_header(0)
  90         , _note_mode(Sustained)
  91         , _note_mode_item(NULL)
  92         , _percussion_mode_item(NULL)
  93         , _midi_expander("MIDI")
  94 {
  95         subplugin_menu.set_name ("ArdourContextMenu");
  96
  97         _view = new MidiStreamView (*this);
  98
  99         ignore_toggle = false;
 100
 101         mute_button->set_active (false);
 102         solo_button->set_active (false);
 103
 104         if (is_midi_track()) {
 105                 controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
 106                 _note_mode = midi_track()->note_mode();
 107         } else { // MIDI bus (which doesn't exist yet..)
 108                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
 109         }
 110
 111         /* map current state of the route */
 112
 113         processors_changed ();
 114
 115         ensure_xml_node ();
 116
 117         set_state (*xml_node);
 118
 119         _route->processors_changed.connect (mem_fun(*this, &MidiTimeAxisView::processors_changed));
 120
 121         if (is_track()) {
 122                 _piano_roll_header = new PianoRollHeader(*midi_view());
 123                 _range_scroomer = new MidiScroomer(midi_view()->note_range_adjustment);
 124
 125                 controls_hbox.pack_start(*_range_scroomer);
 126                 controls_hbox.pack_start(*_piano_roll_header);
 127
 128                 controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 129                 controls_base_selected_name = "MidiTrackControlsBaseSelected";
 130                 controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 131
 132                 midi_view()->NoteRangeChanged.connect (mem_fun(*this, &MidiTimeAxisView::update_range));
 133
 134                 /* ask for notifications of any new RegionViews */
 135                 _view->RegionViewAdded.connect (mem_fun(*this, &MidiTimeAxisView::region_view_added));
 136                 _view->attach ();
 137         }
 138
 139         // add channel selector expander
 140         HBox *channel_selector_box = manage(new HBox());
 141         channel_selector_box->pack_start(_channel_selector, SHRINK, 0);
 142         _midi_expander.add(*channel_selector_box);
 143         _midi_expander.property_expanded().signal_changed().connect(
 144                         mem_fun(this, &MidiTimeAxisView::channel_selector_toggled));
 145         controls_vbox.pack_end(_midi_expander, SHRINK, 0);
 146         boost::shared_ptr<MidiDiskstream> diskstream = midi_track()->midi_diskstream();
 147         // restore channel selector settings
 148         _channel_selector.set_selected_channels(diskstream->get_channel_mask());
 149         _channel_selector.set_force_channel(diskstream->get_force_channel());
 150         _channel_selector.selection_changed.connect(
 151                 mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_channel_mask));
 152         _channel_selector.force_channel_changed.connect(
 153                 mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_force_channel));
 154
 155 }
 156
 157 MidiTimeAxisView::~MidiTimeAxisView ()
 158 {
 159         delete _piano_roll_header;
 160         _piano_roll_header = 0;
 161
 162         delete _range_scroomer;
 163         _range_scroomer = 0;
 164 }
 165
 166 MidiStreamView*
 167 MidiTimeAxisView::midi_view()
 168 {
 169         return dynamic_cast<MidiStreamView*>(_view);
 170 }
 171
 172 guint32
 173 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 174 {
 175         ensure_xml_node ();
 176         xml_node->add_property ("shown_editor", "yes");
 177
 178         guint32 ret = TimeAxisView::show_at (y, nth, parent);
 179         _piano_roll_header->show();
 180         _range_scroomer->show();
 181         return ret;
 182 }
 183
 184 void
 185 MidiTimeAxisView::hide ()
 186 {
 187         ensure_xml_node ();
 188         xml_node->add_property ("shown_editor", "no");
 189
 190         TimeAxisView::hide ();
 191 }
 192
 193 void
 194 MidiTimeAxisView::append_extra_display_menu_items ()
 195 {
 196         using namespace Menu_Helpers;
 197
 198         MenuList& items = display_menu->items();
 199
 200         // Note range
 201         Menu *range_menu = manage(new Menu);
 202         MenuList& range_items = range_menu->items();
 203         range_menu->set_name ("ArdourContextMenu");
 204
 205         RadioMenuItem::Group range_group;
 206
 207         range_items.push_back (RadioMenuElem (range_group, _("Show Full Range"), bind (
 208                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 209                         MidiStreamView::FullRange)));
 210
 211         range_items.push_back (RadioMenuElem (range_group, _("Fit Contents"), bind (
 212                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 213                         MidiStreamView::ContentsRange)));
 214
 215         ((Gtk::CheckMenuItem&)range_items.back()).set_active(true);
 216
 217         items.push_back (MenuElem (_("Note range"), *range_menu));
 218 }
 219
 220 void
 221 MidiTimeAxisView::build_automation_action_menu ()
 222 {
 223         using namespace Menu_Helpers;
 224
 225         RouteTimeAxisView::build_automation_action_menu ();
 226
 227         MenuList& automation_items = automation_action_menu->items();
 228
 229         automation_items.push_back (SeparatorElem());
 230
 231         automation_items.push_back (MenuElem (_("Controller..."),
 232                                                    mem_fun(*this, &MidiTimeAxisView::add_controller_track)));
 233 }
 234
 235 Gtk::Menu*
 236 MidiTimeAxisView::build_mode_menu()
 237 {
 238         using namespace Menu_Helpers;
 239
 240         Menu* mode_menu = manage (new Menu);
 241         MenuList& items = mode_menu->items();
 242         mode_menu->set_name ("ArdourContextMenu");
 243
 244         RadioMenuItem::Group mode_group;
 245         items.push_back (RadioMenuElem (mode_group, _("Sustained"),
 246                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
 247         _note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 248         _note_mode_item->set_active(_note_mode == Sustained);
 249
 250         items.push_back (RadioMenuElem (mode_group, _("Percussive"),
 251                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
 252         _percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 253         _percussion_mode_item->set_active(_note_mode == Percussive);
 254
 255         return mode_menu;
 256 }
 257
 258 void
 259 MidiTimeAxisView::set_note_mode(NoteMode mode)
 260 {
 261         if (_note_mode != mode || midi_track()->note_mode() != mode) {
 262                 _note_mode = mode;
 263                 midi_track()->set_note_mode(mode);
 264                 _view->redisplay_diskstream();
 265         }
 266 }
 267
 268
 269 void
 270 MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
 271 {
 272         //if (midi_view()->note_range() != range) {
 273                 midi_view()->set_note_range(range);
 274                 midi_view()->redisplay_diskstream();
 275         //}
 276 }
 277
 278
 279 void
 280 MidiTimeAxisView::update_range()
 281 {
 282         MidiGhostRegion* mgr;
 283
 284         for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 285                 if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
 286                         mgr->update_range();
 287                 }
 288         }
 289 }
 290
 291 void
 292 MidiTimeAxisView::show_existing_automation ()
 293 {
 294         if (midi_track()) {
 295                 const set<Parameter> params = midi_track()->midi_diskstream()->
 296                                 midi_playlist()->contained_automation();
 297
 298                 for (set<Parameter>::const_iterator i = params.begin(); i != params.end(); ++i)
 299                         create_automation_child(*i, true);
 300         }
 301
 302         RouteTimeAxisView::show_existing_automation ();
 303 }
 304
 305 /** Prompt for a controller with a dialog and add an automation track for it
 306  */
 307 void
 308 MidiTimeAxisView::add_controller_track()
 309 {
 310         int response;
 311         Parameter param;
 312
 313         {
 314                 AddMidiCCTrackDialog dialog;
 315                 dialog.set_transient_for(editor);
 316                 response = dialog.run();
 317
 318                 if (response == Gtk::RESPONSE_ACCEPT)
 319                         param = dialog.parameter();
 320         }
 321
 322         if (response == Gtk::RESPONSE_ACCEPT)
 323                 create_automation_child(param, true);
 324 }
 325
 326 void
 327 MidiTimeAxisView::create_automation_child (Parameter param, bool show)
 328 {
 329         if (
 330                         param.type() == MidiCCAutomation ||
 331                         param.type() == MidiPgmChangeAutomation ||
 332                         param.type() == MidiPitchBenderAutomation ||
 333                         param.type() == MidiChannelAftertouchAutomation
 334            ) {
 335
 336                 /* FIXME: don't create AutomationList for track itself
 337                  * (not actually needed or used, since the automation is region-ey) */
 338
 339                 boost::shared_ptr<AutomationControl> c = _route->control(param);
 340
 341                 if (!c) {
 342                         boost::shared_ptr<AutomationList> al(new ARDOUR::AutomationList(param,
 343                                                 param.min(), param.max(), (param.max() - param.min() / 2)));
 344                         c = boost::shared_ptr<AutomationControl>(_route->control_factory(al));
 345                         _route->add_control(c);
 346                 }
 347
 348                 AutomationTracks::iterator existing = _automation_tracks.find(param);
 349                 if (existing != _automation_tracks.end())
 350                         return;
 351
 352                 boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
 353                                 _route, _route, c,
 354                                 editor,
 355                                 *this,
 356                                 true,
 357                                 parent_canvas,
 358                                 _route->describe_parameter(param)));
 359
 360                 add_automation_child(param, track, show);
 361
 362         } else {
 363                 error << "MidiTimeAxisView: unknown automation child " << param.to_string() << endmsg;
 364         }
 365 }
 366
 367 void
 368 MidiTimeAxisView::route_active_changed ()
 369 {
 370         RouteUI::route_active_changed ();
 371
 372         if (is_track()) {
 373                 if (_route->active()) {
 374                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 375                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
 376                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 377                 } else {
 378                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
 379                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
 380                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
 381                 }
 382         } else {
 383
 384                 throw; // wha?
 385
 386                 if (_route->active()) {
 387                         controls_ebox.set_name ("BusControlsBaseUnselected");
 388                         controls_base_selected_name = "BusControlsBaseSelected";
 389                         controls_base_unselected_name = "BusControlsBaseUnselected";
 390                 } else {
 391                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 392                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 393                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 394                 }
 395         }
 396 }
 397
 398 void
 399 MidiTimeAxisView::channel_selector_toggled()
 400 {
 401         static TimeAxisView::TrackHeight previous_height;
 402
 403         if(_midi_expander.property_expanded()) {
 404                 previous_height = height_style;
 405                 if(previous_height != TimeAxisView::Largest) {
 406                         set_height(TimeAxisView::Large);
 407                 }
 408         } else {
 409                 set_height(previous_height);
 410         }
 411 }
 412
 413
 414