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         , _channel_selector(0)
  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
 141         _channel_selector = manage(new MidiMultipleChannelSelector(0xFFFF));
 142         HBox *channel_selector_box = manage(new HBox());
 143         channel_selector_box->pack_start(*_channel_selector, SHRINK, 0);
 144         _midi_expander.add(*channel_selector_box);
 145         _midi_expander.property_expanded().signal_changed().connect(
 146                         mem_fun(this, &MidiTimeAxisView::channel_selector_toggled));
 147         controls_vbox.pack_end(_midi_expander, SHRINK, 0);
 148         _channel_selector->selection_changed.connect(
 149                 mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_channel_mask));
 150
 151 }
 152
 153 MidiTimeAxisView::~MidiTimeAxisView ()
 154 {
 155         delete _piano_roll_header;
 156         _piano_roll_header = 0;
 157
 158         delete _range_scroomer;
 159         _range_scroomer = 0;
 160 }
 161
 162 MidiStreamView*
 163 MidiTimeAxisView::midi_view()
 164 {
 165         return dynamic_cast<MidiStreamView*>(_view);
 166 }
 167
 168 guint32
 169 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 170 {
 171         ensure_xml_node ();
 172         xml_node->add_property ("shown_editor", "yes");
 173
 174         guint32 ret = TimeAxisView::show_at (y, nth, parent);
 175         _piano_roll_header->show();
 176         _range_scroomer->show();
 177         return ret;
 178 }
 179
 180 void
 181 MidiTimeAxisView::hide ()
 182 {
 183         ensure_xml_node ();
 184         xml_node->add_property ("shown_editor", "no");
 185
 186         TimeAxisView::hide ();
 187 }
 188
 189 void
 190 MidiTimeAxisView::append_extra_display_menu_items ()
 191 {
 192         using namespace Menu_Helpers;
 193
 194         MenuList& items = display_menu->items();
 195
 196         // Note range
 197         Menu *range_menu = manage(new Menu);
 198         MenuList& range_items = range_menu->items();
 199         range_menu->set_name ("ArdourContextMenu");
 200
 201         RadioMenuItem::Group range_group;
 202
 203         range_items.push_back (RadioMenuElem (range_group, _("Show Full Range"), bind (
 204                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 205                         MidiStreamView::FullRange)));
 206
 207         range_items.push_back (RadioMenuElem (range_group, _("Fit Contents"), bind (
 208                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 209                         MidiStreamView::ContentsRange)));
 210
 211         ((Gtk::CheckMenuItem&)range_items.back()).set_active(true);
 212
 213         items.push_back (MenuElem (_("Note range"), *range_menu));
 214 }
 215
 216 void
 217 MidiTimeAxisView::build_automation_action_menu ()
 218 {
 219         using namespace Menu_Helpers;
 220
 221         RouteTimeAxisView::build_automation_action_menu ();
 222
 223         MenuList& automation_items = automation_action_menu->items();
 224
 225         automation_items.push_back (SeparatorElem());
 226
 227         automation_items.push_back (MenuElem (_("Controller..."),
 228                                                    mem_fun(*this, &MidiTimeAxisView::add_controller_track)));
 229 }
 230
 231 Gtk::Menu*
 232 MidiTimeAxisView::build_mode_menu()
 233 {
 234         using namespace Menu_Helpers;
 235
 236         Menu* mode_menu = manage (new Menu);
 237         MenuList& items = mode_menu->items();
 238         mode_menu->set_name ("ArdourContextMenu");
 239
 240         RadioMenuItem::Group mode_group;
 241         items.push_back (RadioMenuElem (mode_group, _("Sustained"),
 242                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
 243         _note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 244         _note_mode_item->set_active(_note_mode == Sustained);
 245
 246         items.push_back (RadioMenuElem (mode_group, _("Percussive"),
 247                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
 248         _percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 249         _percussion_mode_item->set_active(_note_mode == Percussive);
 250
 251         return mode_menu;
 252 }
 253
 254 void
 255 MidiTimeAxisView::set_note_mode(NoteMode mode)
 256 {
 257         if (_note_mode != mode || midi_track()->note_mode() != mode) {
 258                 _note_mode = mode;
 259                 midi_track()->set_note_mode(mode);
 260                 _view->redisplay_diskstream();
 261         }
 262 }
 263
 264
 265 void
 266 MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
 267 {
 268         //if (midi_view()->note_range() != range) {
 269                 midi_view()->set_note_range(range);
 270                 midi_view()->redisplay_diskstream();
 271         //}
 272 }
 273
 274
 275 void
 276 MidiTimeAxisView::update_range()
 277 {
 278         MidiGhostRegion* mgr;
 279
 280         for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 281                 if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
 282                         mgr->update_range();
 283                 }
 284         }
 285 }
 286
 287 void
 288 MidiTimeAxisView::show_existing_automation ()
 289 {
 290         if (midi_track()) {
 291                 const set<Parameter> params = midi_track()->midi_diskstream()->
 292                                 midi_playlist()->contained_automation();
 293
 294                 for (set<Parameter>::const_iterator i = params.begin(); i != params.end(); ++i)
 295                         create_automation_child(*i, true);
 296         }
 297
 298         RouteTimeAxisView::show_existing_automation ();
 299 }
 300
 301 /** Prompt for a controller with a dialog and add an automation track for it
 302  */
 303 void
 304 MidiTimeAxisView::add_controller_track()
 305 {
 306         int response;
 307         Parameter param;
 308
 309         {
 310                 AddMidiCCTrackDialog dialog;
 311                 dialog.set_transient_for(editor);
 312                 response = dialog.run();
 313
 314                 if (response == Gtk::RESPONSE_ACCEPT)
 315                         param = dialog.parameter();
 316         }
 317
 318         if (response == Gtk::RESPONSE_ACCEPT)
 319                 create_automation_child(param, true);
 320 }
 321
 322 void
 323 MidiTimeAxisView::create_automation_child (Parameter param, bool show)
 324 {
 325         if (param.type() == MidiCCAutomation) {
 326
 327                 /* FIXME: don't create AutomationList for track itself
 328                  * (not actually needed or used, since the automation is region-ey) */
 329
 330                 boost::shared_ptr<AutomationControl> c = _route->control(param);
 331
 332                 if (!c) {
 333                         boost::shared_ptr<AutomationList> al(new ARDOUR::AutomationList(param, 0, 127, 64));
 334                         c = boost::shared_ptr<AutomationControl>(_route->control_factory(al));
 335                         _route->add_control(c);
 336                 }
 337
 338                 AutomationTracks::iterator existing = _automation_tracks.find(param);
 339                 if (existing != _automation_tracks.end())
 340                         return;
 341
 342                 boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
 343                                 _route, _route, c,
 344                                 editor,
 345                                 *this,
 346                                 true,
 347                                 parent_canvas,
 348                                 _route->describe_parameter(param)));
 349
 350                 add_automation_child(param, track, show);
 351
 352         } else {
 353                 error << "MidiTimeAxisView: unknown automation child " << param.to_string() << endmsg;
 354         }
 355 }
 356
 357 void
 358 MidiTimeAxisView::route_active_changed ()
 359 {
 360         RouteUI::route_active_changed ();
 361
 362         if (is_track()) {
 363                 if (_route->active()) {
 364                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 365                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
 366                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 367                 } else {
 368                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
 369                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
 370                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
 371                 }
 372         } else {
 373
 374                 throw; // wha?
 375
 376                 if (_route->active()) {
 377                         controls_ebox.set_name ("BusControlsBaseUnselected");
 378                         controls_base_selected_name = "BusControlsBaseSelected";
 379                         controls_base_unselected_name = "BusControlsBaseUnselected";
 380                 } else {
 381                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 382                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 383                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 384                 }
 385         }
 386 }
 387
 388 void
 389 MidiTimeAxisView::channel_selector_toggled()
 390 {
 391         static TimeAxisView::TrackHeight previous_height;
 392         assert(_channel_selector);
 393
 394         if(_midi_expander.property_expanded()) {
 395                 previous_height = height_style;
 396                 if(previous_height != TimeAxisView::Largest) {
 397                         set_height(TimeAxisView::Large);
 398                 }
 399         } else {
 400                 set_height(previous_height);
 401         }
 402 }
 403