gtk2_ardour/gain_meter.cc

   1 /*
   2   Copyright (C) 2002 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
  20 #include <limits.h>
  21
  22 #include <pangomm.h>
  23
  24 #include <gtkmm/alignment.h>
  25 #include <gdkmm/color.h>
  26 #include <gtkmm/style.h>
  27
  28 #include "ardour/amp.h"
  29 #include "ardour/logmeter.h"
  30 #include "ardour/route_group.h"
  31 #include "ardour/session_route.h"
  32 #include "ardour/dB.h"
  33 #include "ardour/utils.h"
  34
  35 #include "gtkmm2ext/utils.h"
  36 #include "gtkmm2ext/gtk_ui.h"
  37
  38 #include "widgets/tooltips.h"
  39
  40 #include "pbd/fastlog.h"
  41 #include "pbd/stacktrace.h"
  42
  43 #include "gain_meter.h"
  44 #include "gui_thread.h"
  45 #include "keyboard.h"
  46 #include "public_editor.h"
  47 #include "utils.h"
  48 #include "meter_patterns.h"
  49 #include "timers.h"
  50 #include "ui_config.h"
  51
  52 #include "ardour/session.h"
  53 #include "ardour/route.h"
  54 #include "ardour/meter.h"
  55 #include "ardour/audio_track.h"
  56 #include "ardour/midi_track.h"
  57 #include "ardour/dB.h"
  58
  59 #include "pbd/i18n.h"
  60
  61 using namespace ARDOUR;
  62 using namespace ArdourWidgets;
  63 using namespace PBD;
  64 using namespace Gtkmm2ext;
  65 using namespace Gtk;
  66 using namespace std;
  67 using Gtkmm2ext::Keyboard;
  68 using namespace ArdourMeter;
  69
  70 static void
  71 reset_cursor_to_default (Gtk::Entry* widget)
  72 {
  73         Glib::RefPtr<Gdk::Window> win = widget->get_text_window ();
  74         if (win) {
  75                 /* C++ doesn't provide a pointer argument version of this
  76                    (i.e. you cannot set to NULL to get the default/parent
  77                    cursor)
  78                 */
  79                 gdk_window_set_cursor (win->gobj(), 0);
  80         }
  81 }
  82
  83 static void
  84 reset_cursor_to_default_state (Gtk::StateType, Gtk::Entry* widget)
  85 {
  86         reset_cursor_to_default (widget);
  87 }
  88
  89 sigc::signal<void, ARDOUR::AutoState> GainMeterBase::ChangeGainAutomationState;
  90
  91 GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int fader_girth)
  92         : gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()),  // value
  93                            0.0,  // lower
  94                            1.0,  // upper
  95                            dB_coeff_step(Config->get_max_gain()) / 10.0,  // step increment
  96                            dB_coeff_step(Config->get_max_gain()))  // page increment
  97         , gain_automation_state_button ("")
  98         , meter_point_button (_("pre"))
  99         , gain_astate_propagate (false)
 100         , _data_type (DataType::AUDIO)
 101 {
 102         using namespace Menu_Helpers;
 103
 104         set_session (s);
 105
 106         ignore_toggle = false;
 107         meter_menu = 0;
 108         next_release_selects = false;
 109         _width = Wide;
 110
 111         fader_length = rint (fader_length * UIConfiguration::instance().get_ui_scale());
 112         fader_girth = rint (fader_girth * UIConfiguration::instance().get_ui_scale());
 113
 114         if (horizontal) {
 115                 gain_slider = manage (new HSliderController (&gain_adjustment, boost::shared_ptr<PBD::Controllable>(), fader_length, fader_girth));
 116         } else {
 117                 gain_slider = manage (new VSliderController (&gain_adjustment, boost::shared_ptr<PBD::Controllable>(), fader_length, fader_girth));
 118         }
 119
 120         level_meter = new LevelMeterHBox(_session);
 121
 122         level_meter->ButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&GainMeterBase::level_meter_button_press, this, _1));
 123         meter_metric_area.signal_button_press_event().connect (sigc::mem_fun (*this, &GainMeterBase::level_meter_button_press));
 124         meter_metric_area.add_events (Gdk::BUTTON_PRESS_MASK);
 125
 126         gain_slider->set_tweaks (ArdourFader::Tweaks(ArdourFader::NoButtonForward | ArdourFader::NoVerticalScroll));
 127         gain_slider->StartGesture.connect (sigc::mem_fun (*this, &GainMeter::amp_start_touch));
 128         gain_slider->StopGesture.connect (sigc::mem_fun (*this, &GainMeter::amp_stop_touch));
 129         gain_slider->set_name ("GainFader");
 130
 131         gain_display.set_name ("MixerStripGainDisplay");
 132         set_size_request_to_display_given_text (gain_display, "-80.g", 2, 6); /* note the descender */
 133         gain_display.signal_activate().connect (sigc::mem_fun (*this, &GainMeter::gain_activated));
 134         gain_display.signal_focus_in_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
 135         gain_display.signal_focus_out_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
 136         gain_display.set_alignment (0.5);
 137
 138         peak_display.set_name ("MixerStripPeakDisplay");
 139         set_size_request_to_display_given_text (peak_display, "-80.g", 2, 6); /* note the descender */
 140         max_peak = minus_infinity();
 141         peak_display.set_text (_("-inf"));
 142         peak_display.set_alignment (0.5);
 143
 144         /* stuff related to the fact that the peak display is not, in
 145            fact, supposed to be a text entry.
 146         */
 147         peak_display.set_events (peak_display.get_events() & ~(Gdk::EventMask (Gdk::LEAVE_NOTIFY_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::POINTER_MOTION_MASK)));
 148         peak_display.signal_map().connect (sigc::bind (sigc::ptr_fun (reset_cursor_to_default), &peak_display));
 149         peak_display.signal_state_changed().connect (sigc::bind (sigc::ptr_fun (reset_cursor_to_default_state), &peak_display));
 150         peak_display.unset_flags (Gtk::CAN_FOCUS);
 151         peak_display.set_editable (false);
 152
 153         gain_automation_state_button.set_name ("mixer strip button");
 154
 155         set_tooltip (gain_automation_state_button, _("Fader automation mode"));
 156
 157         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 158
 159         gain_automation_state_button.set_size_request(15, 15);
 160
 161         gain_astate_menu.set_name ("ArdourContextMenu");
 162         gain_astate_menu.set_reserve_toggle_size(false);
 163
 164         meter_point_button.set_name ("mixer strip button");
 165
 166         set_tooltip (&meter_point_button, _("Metering point"));
 167
 168         meter_point_button.unset_flags (Gtk::CAN_FOCUS);
 169
 170         meter_point_button.set_size_request(15, 15);
 171
 172         meter_point_menu.set_name ("ArdourContextMenu");
 173         meter_point_menu.set_reserve_toggle_size(false);
 174
 175         meter_point_menu.items().clear ();
 176         meter_point_menu.items().push_back (MenuElem(_("Input"),
 177          sigc::bind (sigc::mem_fun (*this,
 178          &GainMeterBase::meter_point_clicked), (MeterPoint) MeterInput)));
 179         meter_point_menu.items().push_back (MenuElem(_("Pre Fader"),
 180          sigc::bind (sigc::mem_fun (*this,
 181          &GainMeterBase::meter_point_clicked), (MeterPoint) MeterPreFader)));
 182         meter_point_menu.items().push_back (MenuElem(_("Post Fader"),
 183          sigc::bind (sigc::mem_fun (*this,
 184          &GainMeterBase::meter_point_clicked), (MeterPoint) MeterPostFader)));
 185         meter_point_menu.items().push_back (MenuElem(_("Output"),
 186          sigc::bind (sigc::mem_fun (*this,
 187          &GainMeterBase::meter_point_clicked), (MeterPoint) MeterOutput)));
 188         meter_point_menu.items().push_back (MenuElem(_("Custom"),
 189          sigc::bind (sigc::mem_fun (*this,
 190          &GainMeterBase::meter_point_clicked), (MeterPoint) MeterCustom)));
 191         meter_point_button.signal_button_press_event().connect (sigc::mem_fun (*this, &GainMeter::meter_press), false);
 192
 193         gain_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &GainMeterBase::fader_moved));
 194         peak_display.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::peak_button_press), false);
 195         peak_display.signal_button_release_event().connect (sigc::mem_fun(*this, &GainMeterBase::peak_button_release), false);
 196         gain_display.signal_key_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_key_press), false);
 197
 198         ResetAllPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_peak_display));
 199         ResetRoutePeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_route_peak_display));
 200         ResetGroupPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_group_peak_display));
 201         RedrawMetrics.connect (sigc::mem_fun(*this, &GainMeterBase::redraw_metrics));
 202
 203         UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &GainMeterBase::on_theme_changed));
 204         UIConfiguration::instance().ColorsChanged.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), false));
 205         UIConfiguration::instance().DPIReset.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), true));
 206 }
 207
 208 GainMeterBase::~GainMeterBase ()
 209 {
 210         delete meter_menu;
 211         delete level_meter;
 212 }
 213
 214 void
 215 GainMeterBase::set_controls (boost::shared_ptr<Route> r,
 216                              boost::shared_ptr<PeakMeter> pm,
 217                              boost::shared_ptr<Amp> amp,
 218                              boost::shared_ptr<GainControl> control)
 219 {
 220         connections.clear ();
 221         model_connections.drop_connections ();
 222
 223         /* no meter and no control? nothing to do ... */
 224
 225         if (!pm && !control) {
 226                 level_meter->set_meter (0);
 227                 gain_slider->set_controllable (boost::shared_ptr<PBD::Controllable>());
 228                 _meter.reset ();
 229                 _amp.reset ();
 230                 _route.reset ();
 231                 _control.reset ();
 232                 return;
 233         }
 234
 235         _meter = pm;
 236         _amp = amp;
 237         _route = r;
 238         _control = control;
 239
 240         level_meter->set_meter (pm.get());
 241         gain_slider->set_controllable (_control);
 242
 243         if (amp) {
 244                 amp->ConfigurationChanged.connect (
 245                         model_connections, invalidator (*this), boost::bind (&GainMeterBase::setup_gain_adjustment, this), gui_context ()
 246                         );
 247         }
 248
 249         setup_gain_adjustment ();
 250
 251         if (!_route || !_route->is_auditioner()) {
 252
 253                 using namespace Menu_Helpers;
 254
 255                 gain_astate_menu.items().clear ();
 256
 257                 gain_astate_menu.items().push_back (MenuElem (S_("Automation|Manual"),
 258                                                               sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Off)));
 259                 gain_astate_menu.items().push_back (MenuElem (_("Play"),
 260                                                               sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Play)));
 261                 gain_astate_menu.items().push_back (MenuElem (_("Write"),
 262                                                               sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Write)));
 263                 gain_astate_menu.items().push_back (MenuElem (_("Touch"),
 264                                                               sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Touch)));
 265
 266                 connections.push_back (gain_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_automation_state_button_event), false));
 267                 connections.push_back (ChangeGainAutomationState.connect (sigc::mem_fun(*this, &GainMeterBase::set_gain_astate)));
 268
 269                 _control->alist()->automation_state_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::gain_automation_state_changed, this), gui_context());
 270
 271                 gain_automation_state_changed ();
 272         }
 273
 274         _control->Changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeterBase::gain_changed, this), gui_context());
 275
 276         gain_changed ();
 277         show_gain ();
 278         update_gain_sensitive ();
 279
 280         if (!_meter) {
 281                 peak_display.hide ();
 282         } else {
 283                 peak_display.show ();
 284         }
 285 }
 286
 287 void
 288 GainMeterBase::set_gain_astate (AutoState as)
 289 {
 290         if (gain_astate_propagate) {
 291                 gain_astate_propagate = false;
 292                 ChangeGainAutomationState (as);
 293                 return;
 294         }
 295         _amp->set_parameter_automation_state (Evoral::Parameter (GainAutomation), as);
 296 }
 297
 298 void
 299 GainMeterBase::setup_gain_adjustment ()
 300 {
 301         if (!_amp) {
 302                 return;
 303         }
 304
 305         if (_previous_amp_output_streams == _amp->output_streams ()) {
 306                 return;
 307         }
 308
 309         ignore_toggle = true;
 310
 311         if (_amp->output_streams().n_midi() <=  _amp->output_streams().n_audio()) {
 312                 _data_type = DataType::AUDIO;
 313                 gain_adjustment.set_lower (GAIN_COEFF_ZERO);
 314                 gain_adjustment.set_upper (GAIN_COEFF_UNITY);
 315                 gain_adjustment.set_step_increment (dB_coeff_step(Config->get_max_gain()) / 10.0);
 316                 gain_adjustment.set_page_increment (dB_coeff_step(Config->get_max_gain()));
 317                 gain_slider->set_default_value (gain_to_slider_position_with_max (GAIN_COEFF_UNITY, Config->get_max_gain()));
 318         } else {
 319                 _data_type = DataType::MIDI;
 320                 gain_adjustment.set_lower (0.0);
 321                 gain_adjustment.set_upper (2.0);
 322                 gain_adjustment.set_step_increment (1.0/128.0);
 323                 gain_adjustment.set_page_increment (10.0/128.0);
 324                 gain_slider->set_default_value (1.0);
 325         }
 326
 327         ignore_toggle = false;
 328
 329         effective_gain_display ();
 330
 331         _previous_amp_output_streams = _amp->output_streams ();
 332 }
 333
 334 void
 335 GainMeterBase::hide_all_meters ()
 336 {
 337         level_meter->hide_meters();
 338 }
 339
 340 void
 341 GainMeter::hide_all_meters ()
 342 {
 343         GainMeterBase::hide_all_meters ();
 344 }
 345
 346 void
 347 GainMeterBase::setup_meters (int len)
 348 {
 349         int meter_width = 5;
 350         uint32_t meter_channels = 0;
 351         if (_meter) {
 352                 meter_channels = _meter->input_streams().n_total();
 353         } else if (_route) {
 354                 meter_channels = _route->shared_peak_meter()->input_streams().n_total();
 355         }
 356
 357         switch (_width) {
 358                 case Wide:
 359                         //meter_ticks1_area.show();
 360                         //meter_ticks2_area.show();
 361                         meter_metric_area.show();
 362                         if (meter_channels == 1) {
 363                                 meter_width = 10;
 364                         }
 365                         break;
 366                 case Narrow:
 367                         if (meter_channels > 1) {
 368                                 meter_width = 4;
 369                         }
 370                         //meter_ticks1_area.hide();
 371                         //meter_ticks2_area.hide();
 372                         meter_metric_area.hide();
 373                         break;
 374         }
 375         level_meter->setup_meters(len, meter_width);
 376 }
 377
 378 void
 379 GainMeterBase::set_type (MeterType t)
 380 {
 381         level_meter->set_meter_type(t);
 382 }
 383
 384 void
 385 GainMeter::setup_meters (int len)
 386 {
 387         switch (_width) {
 388                 case Wide:
 389                         {
 390                                 uint32_t meter_channels = 0;
 391                                 if (_meter) {
 392                                         meter_channels = _meter->input_streams().n_total();
 393                                 } else if (_route) {
 394                                         meter_channels = _route->shared_peak_meter()->input_streams().n_total();
 395                                 }
 396                                 hbox.set_homogeneous(meter_channels < 7 ? true : false);
 397                         }
 398                         break;
 399                 case Narrow:
 400                         hbox.set_homogeneous(false);
 401                         break;
 402         }
 403         GainMeterBase::setup_meters (len);
 404 }
 405
 406 void
 407 GainMeter::set_type (MeterType t)
 408 {
 409         GainMeterBase::set_type (t);
 410 }
 411
 412 bool
 413 GainMeterBase::gain_key_press (GdkEventKey* ev)
 414 {
 415         if (ARDOUR_UI_UTILS::key_is_legal_for_numeric_entry (ev->keyval)) {
 416                 /* drop through to normal handling */
 417                 return false;
 418         }
 419         /* illegal key for gain entry */
 420         return true;
 421 }
 422
 423 bool
 424 GainMeterBase::peak_button_press (GdkEventButton* ev)
 425 {
 426         return true;
 427 }
 428
 429 bool
 430 GainMeterBase::peak_button_release (GdkEventButton* ev)
 431 {
 432         /* reset peak label */
 433
 434         if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier|Keyboard::TertiaryModifier)) {
 435                 ResetAllPeakDisplays ();
 436         } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 437                 if (_route) {
 438                         ResetGroupPeakDisplays (_route->route_group());
 439                 }
 440         } else {
 441                 ResetRoutePeakDisplays (_route.get());
 442         }
 443
 444         return true;
 445 }
 446
 447 void
 448 GainMeterBase::reset_peak_display ()
 449 {
 450         if (!_route) {
 451                 // catch "reset all" for VCAs
 452                 return;
 453         }
 454         _meter->reset_max();
 455         level_meter->clear_meters();
 456         max_peak = minus_infinity ();
 457         peak_display.set_text (_("-inf"));
 458         peak_display.set_name ("MixerStripPeakDisplay");
 459 }
 460
 461 void
 462 GainMeterBase::reset_route_peak_display (Route* route)
 463 {
 464         if (_route && _route.get() == route) {
 465                 reset_peak_display ();
 466         }
 467 }
 468
 469 void
 470 GainMeterBase::reset_group_peak_display (RouteGroup* group)
 471 {
 472         if (_route && group == _route->route_group()) {
 473                 reset_peak_display ();
 474         }
 475 }
 476
 477 void
 478 GainMeterBase::popup_meter_menu (GdkEventButton *ev)
 479 {
 480         using namespace Menu_Helpers;
 481
 482         if (meter_menu == 0) {
 483                 meter_menu = new Gtk::Menu;
 484                 MenuList& items = meter_menu->items();
 485
 486                 items.push_back (MenuElem ("-inf .. +0dBFS"));
 487                 items.push_back (MenuElem ("-10dB .. +0dBFS"));
 488                 items.push_back (MenuElem ("-4 .. +0dBFS"));
 489                 items.push_back (SeparatorElem());
 490                 items.push_back (MenuElem ("-inf .. -2dBFS"));
 491                 items.push_back (MenuElem ("-10dB .. -2dBFS"));
 492                 items.push_back (MenuElem ("-4 .. -2dBFS"));
 493         }
 494
 495         meter_menu->popup (1, ev->time);
 496 }
 497
 498 bool
 499 GainMeterBase::gain_focused (GdkEventFocus* ev)
 500 {
 501         if (ev->in) {
 502                 gain_display.select_region (0, -1);
 503         } else {
 504                 gain_display.select_region (0, 0);
 505         }
 506         return false;
 507 }
 508
 509 void
 510 GainMeterBase::gain_activated ()
 511 {
 512         float f;
 513
 514         // Use the user's preferred locale/LC_NUMERIC setting
 515         if (sscanf (gain_display.get_text().c_str(), "%f", &f) != 1) {
 516                 return;
 517         }
 518
 519         /* clamp to displayable values */
 520         if (_data_type == DataType::AUDIO) {
 521                 f = min (f, 6.0f);
 522                 _control->set_value (dB_to_coefficient(f), Controllable::UseGroup);
 523         } else {
 524                 f = min (fabs (f), 2.0f);
 525                 _control->set_value (f, Controllable::UseGroup);
 526         }
 527
 528         if (gain_display.has_focus()) {
 529                 Gtk::Widget* w = gain_display.get_toplevel();
 530                 if (w) {
 531                         Gtk::Window* win = dynamic_cast<Gtk::Window*> (w);
 532
 533                         /* sigh. gtkmm doesn't wrap get_default_widget() */
 534
 535                         if (win) {
 536                                 GtkWidget* f = gtk_window_get_default_widget (win->gobj());
 537                                 if (f) {
 538                                         gtk_widget_grab_focus (f);
 539                                         return;
 540                                 }
 541                         }
 542                 }
 543         }
 544 }
 545
 546 void
 547 GainMeterBase::show_gain ()
 548 {
 549         char buf[32];
 550
 551         float v = gain_adjustment.get_value();
 552
 553         switch (_data_type) {
 554         case DataType::AUDIO:
 555                 if (v == 0.0) {
 556                         strcpy (buf, _("-inf"));
 557                 } else {
 558                         snprintf (buf, sizeof (buf), "%.1f", accurate_coefficient_to_dB (slider_position_to_gain_with_max (v, Config->get_max_gain())));
 559                 }
 560                 break;
 561         case DataType::MIDI:
 562                 snprintf (buf, sizeof (buf), "%.1f", v);
 563                 break;
 564         }
 565
 566         gain_display.set_text (buf);
 567 }
 568
 569 void
 570 GainMeterBase::fader_moved ()
 571 {
 572         if (!ignore_toggle) {
 573
 574                 gain_t value;
 575
 576                 /* convert from adjustment range (0..1) to gain coefficient */
 577
 578                 if (_data_type == DataType::AUDIO) {
 579                         value = slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain());
 580                 } else {
 581                         value = gain_adjustment.get_value();
 582                 }
 583
 584                 // XXX hack allow to override group
 585                 // (this breaks group'ed  shift+click reset)
 586                 if (Keyboard::the_keyboard().key_is_down (GDK_Shift_R)
 587                                 || Keyboard::the_keyboard().key_is_down (GDK_Shift_L)) {
 588                         _control->set_value (value, Controllable::InverseGroup);
 589                 } else {
 590                         _control->set_value (value, Controllable::UseGroup);
 591                 }
 592         }
 593
 594         show_gain ();
 595 }
 596
 597 void
 598 GainMeterBase::effective_gain_display ()
 599 {
 600         gain_t fader_position = 0;
 601
 602         switch (_data_type) {
 603         case DataType::AUDIO:
 604                 /* the position of the fader should reflect any master gain,
 605                  * not just the control's own inherent value
 606                  */
 607                 fader_position = gain_to_slider_position_with_max (_control->get_value(), Config->get_max_gain());
 608                 break;
 609         case DataType::MIDI:
 610                 fader_position = _control->get_value ();
 611                 break;
 612         }
 613
 614         if (gain_adjustment.get_value() != fader_position) {
 615                 ignore_toggle = true;
 616                 gain_adjustment.set_value (fader_position);
 617                 ignore_toggle = false;
 618         }
 619 }
 620
 621 void
 622 GainMeterBase::gain_changed ()
 623 {
 624         ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed);
 625         effective_gain_display ();
 626 }
 627
 628 void
 629 GainMeterBase::set_meter_strip_name (const char * name)
 630 {
 631         char tmp[256];
 632         meter_metric_area.set_name (name);
 633         sprintf(tmp, "Mark%sLeft", name);
 634         meter_ticks1_area.set_name (tmp);
 635         sprintf(tmp, "Mark%sRight", name);
 636         meter_ticks2_area.set_name (tmp);
 637 }
 638
 639 void
 640 GainMeterBase::set_fader_name (const char * name)
 641 {
 642         gain_slider->set_name (name);
 643 }
 644
 645 void
 646 GainMeterBase::update_gain_sensitive ()
 647 {
 648         bool x = !(_control->alist()->automation_state() & Play);
 649         static_cast<ArdourWidgets::SliderController*>(gain_slider)->set_sensitive (x);
 650 }
 651
 652 gint
 653 GainMeterBase::meter_press(GdkEventButton* ev)
 654 {
 655         if (!_route) {
 656                 return false;
 657         }
 658         if (!ignore_toggle) {
 659                 switch (ev->button) {
 660                         case 1:
 661                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 662
 663                                         /* Primary+Tertiary-click applies change to all routes */
 664
 665                                         meter_point_change_target = MeterPointChangeAll;
 666
 667                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 668
 669                                         /* Primary-click: apply change to all routes in group */
 670
 671                                         meter_point_change_target = MeterPointChangeGroup;
 672
 673                                 } else {
 674
 675                                         /* click: change just this route */
 676
 677                                         meter_point_change_target = MeterPointChangeSingle;
 678                                 }
 679                                 Gtkmm2ext::anchored_menu_popup(&meter_point_menu,
 680                                                              &meter_point_button,
 681                                                            "", 1, ev->time);
 682                                 break;
 683                         default:
 684                                 break;
 685                 }
 686         }
 687         return true;
 688 }
 689
 690 void
 691 GainMeterBase::set_meter_point (Route& route, MeterPoint mp)
 692 {
 693         route.set_meter_point (mp);
 694 }
 695
 696 void
 697 GainMeterBase::set_route_group_meter_point (Route& route, MeterPoint mp)
 698 {
 699         RouteGroup* route_group;
 700
 701         if ((route_group = route.route_group ()) != 0) {
 702                 route_group->foreach_route (boost::bind (&Route::set_meter_point, _1, mp, false));
 703         } else {
 704                 route.set_meter_point (mp);
 705         }
 706 }
 707
 708 void
 709 GainMeterBase::meter_point_clicked (MeterPoint mp)
 710 {
 711         if (_route) {
 712                 switch (meter_point_change_target) {
 713                         case MeterPointChangeAll:
 714                                 _session->foreach_route (this, &GainMeterBase::set_meter_point, mp);
 715                                 break;
 716                         case MeterPointChangeGroup:
 717                                 set_route_group_meter_point (*_route, mp);
 718                                 break;
 719                         case MeterPointChangeSingle:
 720                                 _route->set_meter_point (mp);
 721                                 break;
 722                 }
 723         }
 724 }
 725
 726 void
 727 GainMeterBase::amp_start_touch ()
 728 {
 729         _control->start_touch (_control->session().transport_frame());
 730 }
 731
 732 void
 733 GainMeterBase::amp_stop_touch ()
 734 {
 735         _control->stop_touch (false, _control->session().transport_frame());
 736         effective_gain_display ();
 737 }
 738
 739 gint
 740 GainMeterBase::gain_automation_state_button_event (GdkEventButton *ev)
 741 {
 742         if (ev->type == GDK_BUTTON_RELEASE) {
 743                 return TRUE;
 744         }
 745
 746         switch (ev->button) {
 747                 case 1:
 748                         gain_astate_propagate = Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier | Keyboard::TertiaryModifier));
 749                         Gtkmm2ext::anchored_menu_popup(&gain_astate_menu,
 750                                                        &gain_automation_state_button,
 751                                                        "", 1, ev->time);
 752                         break;
 753                 default:
 754                         break;
 755         }
 756
 757         return TRUE;
 758 }
 759
 760
 761 string
 762 GainMeterBase::astate_string (AutoState state)
 763 {
 764         return _astate_string (state, false);
 765 }
 766
 767 string
 768 GainMeterBase::short_astate_string (AutoState state)
 769 {
 770         return _astate_string (state, true);
 771 }
 772
 773 string
 774 GainMeterBase::_astate_string (AutoState state, bool shrt)
 775 {
 776         string sstr;
 777
 778         switch (state) {
 779         case ARDOUR::Off:
 780                 sstr = (shrt ? "M" : _("M"));
 781                 break;
 782         case Play:
 783                 sstr = (shrt ? "P" : _("P"));
 784                 break;
 785         case Touch:
 786                 sstr = (shrt ? "T" : _("T"));
 787                 break;
 788         case Write:
 789                 sstr = (shrt ? "W" : _("W"));
 790                 break;
 791         }
 792
 793         return sstr;
 794 }
 795
 796 void
 797 GainMeterBase::gain_automation_state_changed ()
 798 {
 799         ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed);
 800
 801         switch (_width) {
 802         case Wide:
 803                 gain_automation_state_button.set_text (astate_string(_control->alist()->automation_state()));
 804                 break;
 805         case Narrow:
 806                 gain_automation_state_button.set_text (short_astate_string(_control->alist()->automation_state()));
 807                 break;
 808         }
 809
 810         const bool automation_watch_required = (_control->alist()->automation_state() != ARDOUR::Off);
 811
 812         if (gain_automation_state_button.get_active() != automation_watch_required) {
 813                 ignore_toggle = true;
 814                 gain_automation_state_button.set_active (automation_watch_required);
 815                 ignore_toggle = false;
 816         }
 817
 818         update_gain_sensitive ();
 819
 820         gain_watching.disconnect();
 821 }
 822
 823 const ChanCount
 824 GainMeterBase::meter_channels() const
 825 {
 826                 if (_meter) { return _meter->input_streams(); }
 827                 else { return ChanCount(); }
 828 }
 829 void
 830 GainMeterBase::update_meters()
 831 {
 832         char buf[32];
 833         float mpeak = level_meter->update_meters();
 834
 835         if (mpeak > max_peak) {
 836                 max_peak = mpeak;
 837                 if (mpeak <= -200.0f) {
 838                         peak_display.set_text (_("-inf"));
 839                 } else {
 840                         snprintf (buf, sizeof(buf), "%.1f", mpeak);
 841                         peak_display.set_text (buf);
 842                 }
 843         }
 844         if (mpeak >= UIConfiguration::instance().get_meter_peak()) {
 845                 peak_display.set_name ("MixerStripPeakDisplayPeak");
 846         }
 847 }
 848
 849 void GainMeterBase::color_handler(bool /*dpi*/)
 850 {
 851         setup_meters();
 852 }
 853
 854 void
 855 GainMeterBase::set_width (Width w, int len)
 856 {
 857         _width = w;
 858         int meter_width = 5;
 859         if (_width == Wide && _route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
 860                 meter_width = 10;
 861         }
 862         level_meter->setup_meters(len, meter_width);
 863 }
 864
 865
 866 void
 867 GainMeterBase::on_theme_changed()
 868 {
 869 }
 870
 871 void
 872 GainMeterBase::redraw_metrics()
 873 {
 874         meter_metric_area.queue_draw ();
 875         meter_ticks1_area.queue_draw ();
 876         meter_ticks2_area.queue_draw ();
 877 }
 878
 879 #define PX_SCALE(pxmin, dflt) rint(std::max((double)pxmin, (double)dflt * UIConfiguration::instance().get_ui_scale()))
 880
 881 GainMeter::GainMeter (Session* s, int fader_length)
 882         : GainMeterBase (s, false, fader_length, 24)
 883         , gain_display_box(true, 0)
 884         , hbox(true, 2)
 885 {
 886         if (gain_display.get_parent()) {
 887                 gain_display.get_parent()->remove (gain_display);
 888         }
 889         gain_display_box.pack_start (gain_display, true, true);
 890
 891         if (peak_display.get_parent()) {
 892                 peak_display.get_parent()->remove (gain_display);
 893         }
 894         gain_display_box.pack_start (peak_display, true, true);
 895
 896         meter_metric_area.set_name ("AudioTrackMetrics");
 897         meter_metric_area.set_size_request(PX_SCALE(24, 24), -1);
 898
 899         gain_automation_state_button.set_name ("mixer strip button");
 900
 901         set_tooltip (gain_automation_state_button, _("Fader automation mode"));
 902
 903         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 904
 905         gain_automation_state_button.set_size_request (PX_SCALE(12, 15), PX_SCALE(12, 15));
 906
 907         fader_vbox.set_spacing (0);
 908         fader_vbox.pack_start (*gain_slider, true, true);
 909
 910         fader_alignment.set (0.5, 0.5, 0.0, 1.0);
 911         fader_alignment.add (fader_vbox);
 912
 913         hbox.pack_start (fader_alignment, true, true);
 914
 915         set_spacing (PX_SCALE(2, 2));
 916
 917         pack_start (gain_display_box, Gtk::PACK_SHRINK);
 918         pack_start (hbox, true, true);
 919
 920         meter_alignment.set (0.5, 0.5, 0.0, 1.0);
 921         meter_alignment.add (*level_meter);
 922
 923         meter_metric_area.signal_expose_event().connect (
 924                 sigc::mem_fun(*this, &GainMeter::meter_metrics_expose));
 925
 926         meter_ticks1_area.set_size_request (PX_SCALE(3, 3), -1);
 927         meter_ticks2_area.set_size_request (PX_SCALE(3, 3), -1);
 928
 929         meter_ticks1_area.signal_expose_event().connect (
 930                         sigc::mem_fun(*this, &GainMeter::meter_ticks1_expose));
 931         meter_ticks2_area.signal_expose_event().connect (
 932                         sigc::mem_fun(*this, &GainMeter::meter_ticks2_expose));
 933
 934         meter_hbox.pack_start (meter_ticks1_area, false, false);
 935         meter_hbox.pack_start (meter_alignment, false, false);
 936         meter_hbox.pack_start (meter_ticks2_area, false, false);
 937         meter_hbox.pack_start (meter_metric_area, false, false);
 938 }
 939 #undef PX_SCALE
 940
 941 GainMeter::~GainMeter () { }
 942
 943 void
 944 GainMeter::set_controls (boost::shared_ptr<Route> r,
 945                          boost::shared_ptr<PeakMeter> meter,
 946                          boost::shared_ptr<Amp> amp,
 947                          boost::shared_ptr<GainControl> control)
 948 {
 949         if (meter_hbox.get_parent()) {
 950                 hbox.remove (meter_hbox);
 951         }
 952
 953 //      if (gain_automation_state_button.get_parent()) {
 954 //              fader_vbox->remove (gain_automation_state_button);
 955 //      }
 956
 957         GainMeterBase::set_controls (r, meter, amp, control);
 958
 959         if (_meter) {
 960                 _meter->ConfigurationChanged.connect (
 961                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_configuration_changed, this, _1), gui_context()
 962                         );
 963                 _meter->TypeChanged.connect (
 964                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_type_changed, this, _1), gui_context()
 965                         );
 966
 967                 meter_configuration_changed (_meter->input_streams ());
 968         }
 969
 970
 971         if (_route) {
 972                 _route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
 973                 hbox.pack_start (meter_hbox, true, true);
 974                 meter_hbox.show ();
 975         }
 976
 977 //      if (r && !r->is_auditioner()) {
 978 //              fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
 979 //      }
 980
 981         gain_display_box.show ();
 982         gain_display.show ();
 983         gain_slider->show ();
 984         fader_vbox.show ();
 985         fader_alignment.show ();
 986         hbox.show ();
 987         setup_meters ();
 988 }
 989
 990 int
 991 GainMeter::get_gm_width ()
 992 {
 993         Gtk::Requisition sz;
 994         int min_w = 0;
 995         sz.width = 0;
 996         meter_metric_area.size_request (sz);
 997         min_w += sz.width;
 998         level_meter->size_request (sz);
 999         min_w += sz.width;
1000
1001         fader_alignment.size_request (sz);
1002         if (_width == Wide)
1003                 return max(sz.width * 2, min_w * 2) + 6;
1004         else
1005                 return sz.width + min_w + 6;
1006
1007 }
1008
1009 gint
1010 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
1011 {
1012         if (!_route) {
1013                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1014                 return meter_expose_metrics(ev, MeterPeak, _types, &meter_metric_area);
1015         }
1016         return meter_expose_metrics(ev, _route->meter_type(), _types, &meter_metric_area);
1017 }
1018
1019 gint
1020 GainMeter::meter_ticks1_expose (GdkEventExpose *ev)
1021 {
1022         if (!_route) {
1023                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1024                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks1_area);
1025         }
1026         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks1_area);
1027 }
1028
1029 gint
1030 GainMeter::meter_ticks2_expose (GdkEventExpose *ev)
1031 {
1032         if (!_route) {
1033                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1034                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks2_area);
1035         }
1036         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks2_area);
1037 }
1038
1039 void
1040 GainMeter::on_style_changed (const Glib::RefPtr<Gtk::Style>&)
1041 {
1042         gain_display.queue_draw();
1043         peak_display.queue_draw();
1044 }
1045
1046 boost::shared_ptr<PBD::Controllable>
1047 GainMeterBase::get_controllable()
1048 {
1049         if (_amp) {
1050                 return _control;
1051         } else {
1052                 return boost::shared_ptr<PBD::Controllable>();
1053         }
1054 }
1055
1056 bool
1057 GainMeterBase::level_meter_button_press (GdkEventButton* ev)
1058 {
1059         return static_cast<bool>(LevelMeterButtonPress (ev)); /* EMIT SIGNAL */
1060 }
1061
1062 void
1063 GainMeter::meter_configuration_changed (ChanCount c)
1064 {
1065         int type = 0;
1066         _types.clear ();
1067
1068         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1069                 if (c.get (*i) > 0) {
1070                         _types.push_back (*i);
1071                         type |= 1 << (*i);
1072                 }
1073         }
1074
1075         if (_route
1076                         && boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
1077                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
1078                         ) {
1079                 if (_route->active()) {
1080                         set_meter_strip_name ("AudioBusMetrics");
1081                 } else {
1082                         set_meter_strip_name ("AudioBusMetricsInactive");
1083                 }
1084         }
1085         else if (
1086                            (type == (1 << DataType::MIDI))
1087                         || (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
1088                         ) {
1089                 if (!_route || _route->active()) {
1090                         set_meter_strip_name ("MidiTrackMetrics");
1091                 } else {
1092                         set_meter_strip_name ("MidiTrackMetricsInactive");
1093                 }
1094         }
1095         else if (type == (1 << DataType::AUDIO)) {
1096                 if (!_route || _route->active()) {
1097                         set_meter_strip_name ("AudioTrackMetrics");
1098                 } else {
1099                         set_meter_strip_name ("AudioTrackMetricsInactive");
1100                 }
1101         } else {
1102                 if (!_route || _route->active()) {
1103                         set_meter_strip_name ("AudioMidiTrackMetrics");
1104                 } else {
1105                         set_meter_strip_name ("AudioMidiTrackMetricsInactive");
1106                 }
1107         }
1108
1109         setup_meters();
1110         meter_clear_pattern_cache(4);
1111         on_style_changed(Glib::RefPtr<Gtk::Style>());
1112 }
1113
1114 void
1115 GainMeter::route_active_changed ()
1116 {
1117         if (_meter) {
1118                 meter_configuration_changed (_meter->input_streams ());
1119         }
1120 }
1121
1122 void
1123 GainMeter::meter_type_changed (MeterType t)
1124 {
1125         _route->set_meter_type(t);
1126         RedrawMetrics();
1127 }