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