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 "ardour/amp.h"
  23 #include "ardour/route_group.h"
  24 #include "ardour/session_route.h"
  25 #include "ardour/dB.h"
  26 #include "ardour/utils.h"
  27
  28 #include <pangomm.h>
  29 #include <gtkmm/style.h>
  30 #include <gdkmm/color.h>
  31 #include <gtkmm2ext/utils.h>
  32 #include <gtkmm2ext/fastmeter.h>
  33 #include <gtkmm2ext/barcontroller.h>
  34 #include <gtkmm2ext/gtk_ui.h>
  35 #include "midi++/manager.h"
  36 #include "pbd/fastlog.h"
  37 #include "pbd/stacktrace.h"
  38
  39 #include "ardour_ui.h"
  40 #include "gain_meter.h"
  41 #include "global_signals.h"
  42 #include "logmeter.h"
  43 #include "gui_thread.h"
  44 #include "keyboard.h"
  45 #include "public_editor.h"
  46 #include "utils.h"
  47 #include "meter_patterns.h"
  48
  49 #include "ardour/session.h"
  50 #include "ardour/route.h"
  51 #include "ardour/meter.h"
  52 #include "ardour/audio_track.h"
  53 #include "ardour/midi_track.h"
  54
  55 #include "i18n.h"
  56
  57 using namespace ARDOUR;
  58 using namespace PBD;
  59 using namespace Gtkmm2ext;
  60 using namespace Gtk;
  61 using namespace std;
  62 using Gtkmm2ext::Keyboard;
  63 using namespace ArdourMeter;
  64
  65 GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int fader_girth)
  66         : gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0.0, 1.0, 0.01, 0.1)
  67         , gain_automation_style_button ("")
  68         , gain_automation_state_button ("")
  69         , _data_type (DataType::AUDIO)
  70
  71 {
  72         using namespace Menu_Helpers;
  73
  74         set_session (s);
  75
  76         ignore_toggle = false;
  77         meter_menu = 0;
  78         next_release_selects = false;
  79         _width = Wide;
  80
  81         if (horizontal) {
  82                 gain_slider = manage (new HSliderController (&gain_adjustment, fader_length, fader_girth, false));
  83         } else {
  84                 gain_slider = manage (new VSliderController (&gain_adjustment, fader_length, fader_girth, false));
  85         }
  86
  87         level_meter = new LevelMeterHBox(_session);
  88
  89         level_meter->ButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&GainMeterBase::level_meter_button_press, this, _1));
  90         meter_metric_area.signal_button_press_event().connect (sigc::mem_fun (*this, &GainMeterBase::level_meter_button_press));
  91         meter_metric_area.add_events (Gdk::BUTTON_PRESS_MASK);
  92
  93         gain_slider->signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeter::gain_slider_button_press), false);
  94         gain_slider->signal_button_release_event().connect (sigc::mem_fun(*this, &GainMeter::gain_slider_button_release), false);
  95         gain_slider->set_name ("GainFader");
  96
  97         gain_display.set_name ("MixerStripGainDisplay");
  98         set_size_request_to_display_given_text (gain_display, "-80.g", 2, 6); /* note the descender */
  99         gain_display.signal_activate().connect (sigc::mem_fun (*this, &GainMeter::gain_activated));
 100         gain_display.signal_focus_in_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
 101         gain_display.signal_focus_out_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
 102
 103         peak_display.set_name ("MixerStripPeakDisplay");
 104         set_size_request_to_display_given_text (peak_display, "-80.g", 2, 6); /* note the descender */
 105         max_peak = minus_infinity();
 106         peak_display.set_label (_("-inf"));
 107         peak_display.unset_flags (Gtk::CAN_FOCUS);
 108
 109         gain_automation_style_button.set_name ("mixer strip button");
 110         gain_automation_state_button.set_name ("mixer strip button");
 111
 112         ARDOUR_UI::instance()->set_tip (gain_automation_state_button, _("Fader automation mode"));
 113         ARDOUR_UI::instance()->set_tip (gain_automation_style_button, _("Fader automation type"));
 114
 115         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 116         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 117
 118         gain_automation_state_button.set_size_request(15, 15);
 119         gain_automation_style_button.set_size_request(15, 15);
 120
 121         gain_astyle_menu.items().push_back (MenuElem (_("Trim")));
 122         gain_astyle_menu.items().push_back (MenuElem (_("Abs")));
 123
 124         gain_astate_menu.set_name ("ArdourContextMenu");
 125         gain_astyle_menu.set_name ("ArdourContextMenu");
 126
 127         gain_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &GainMeterBase::gain_adjusted));
 128         peak_display.signal_button_release_event().connect (sigc::mem_fun(*this, &GainMeterBase::peak_button_release), false);
 129         gain_display.signal_key_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_key_press), false);
 130
 131         ResetAllPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_peak_display));
 132         ResetRoutePeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_route_peak_display));
 133         ResetGroupPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_group_peak_display));
 134         RedrawMetrics.connect (sigc::mem_fun(*this, &GainMeterBase::redraw_metrics));
 135
 136         UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &GainMeterBase::on_theme_changed));
 137         ColorsChanged.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), false));
 138         DPIReset.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), true));
 139
 140 //      PBD::ScopedConnection _config_connection;
 141 //      Config->ParameterChanged.connect ( _config_connection, MISSING_INVALIDATOR, boost::bind(&GainMeterBase::set_flat_buttons, this, _1), gui_context() );
 142 }
 143
 144 void
 145 GainMeterBase::set_flat_buttons ()
 146 {
 147 printf("set_flat_butt\n");
 148 //      gain_slider->set_flat_buttons( ARDOUR_UI::config()->get_flat_buttons() );
 149 }
 150
 151 GainMeterBase::~GainMeterBase ()
 152 {
 153         delete meter_menu;
 154         delete level_meter;
 155 }
 156
 157 void
 158 GainMeterBase::set_controls (boost::shared_ptr<Route> r,
 159                              boost::shared_ptr<PeakMeter> pm,
 160                              boost::shared_ptr<Amp> amp)
 161 {
 162         connections.clear ();
 163         model_connections.drop_connections ();
 164
 165         if (!pm && !amp) {
 166                 level_meter->set_meter (0);
 167                 gain_slider->set_controllable (boost::shared_ptr<PBD::Controllable>());
 168                 _meter.reset ();
 169                 _amp.reset ();
 170                 _route.reset ();
 171                 return;
 172         }
 173
 174         _meter = pm;
 175         _amp = amp;
 176         _route = r;
 177
 178         level_meter->set_meter (pm.get());
 179         gain_slider->set_controllable (amp->gain_control());
 180
 181         if (amp) {
 182                 amp->ConfigurationChanged.connect (
 183                         model_connections, invalidator (*this), boost::bind (&GainMeterBase::setup_gain_adjustment, this), gui_context ()
 184                         );
 185         }
 186
 187         setup_gain_adjustment ();
 188
 189         if (!_route || !_route->is_auditioner()) {
 190
 191                 using namespace Menu_Helpers;
 192
 193                 gain_astate_menu.items().clear ();
 194
 195                 gain_astate_menu.items().push_back (MenuElem (S_("Automation|Manual"),
 196                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 197                                                                           Evoral::Parameter(GainAutomation), (AutoState) ARDOUR::Off)));
 198                 gain_astate_menu.items().push_back (MenuElem (_("Play"),
 199                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 200                                                                     Evoral::Parameter(GainAutomation), (AutoState) Play)));
 201                 gain_astate_menu.items().push_back (MenuElem (_("Write"),
 202                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 203                                                                     Evoral::Parameter(GainAutomation), (AutoState) Write)));
 204                 gain_astate_menu.items().push_back (MenuElem (_("Touch"),
 205                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 206                                                                     Evoral::Parameter(GainAutomation), (AutoState) Touch)));
 207
 208                 connections.push_back (gain_automation_style_button.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_automation_style_button_event), false));
 209                 connections.push_back (gain_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_automation_state_button_event), false));
 210
 211                 boost::shared_ptr<AutomationControl> gc = amp->gain_control();
 212
 213                 gc->alist()->automation_state_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::gain_automation_state_changed, this), gui_context());
 214                 gc->alist()->automation_style_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::gain_automation_style_changed, this), gui_context());
 215
 216                 gain_automation_state_changed ();
 217         }
 218
 219         amp->gain_control()->Changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeterBase::gain_changed, this), gui_context());
 220
 221         gain_changed ();
 222         show_gain ();
 223         update_gain_sensitive ();
 224 }
 225
 226 void
 227 GainMeterBase::setup_gain_adjustment ()
 228 {
 229         if (!_amp) {
 230                 return;
 231         }
 232
 233         if (_previous_amp_output_streams == _amp->output_streams ()) {
 234                 return;
 235         }
 236
 237         ignore_toggle = true;
 238
 239         if (_amp->output_streams().n_midi() <=  _amp->output_streams().n_audio()) {
 240                 _data_type = DataType::AUDIO;
 241                 gain_adjustment.set_lower (0.0);
 242                 gain_adjustment.set_upper (1.0);
 243                 gain_adjustment.set_step_increment (0.01);
 244                 gain_adjustment.set_page_increment (0.1);
 245                 gain_slider->set_default_value (gain_to_slider_position (1));
 246         } else {
 247                 _data_type = DataType::MIDI;
 248                 gain_adjustment.set_lower (0.0);
 249                 gain_adjustment.set_upper (2.0);
 250                 gain_adjustment.set_step_increment (1.0/128.0);
 251                 gain_adjustment.set_page_increment (10.0/128.0);
 252                 gain_slider->set_default_value (1.0);
 253         }
 254
 255         ignore_toggle = false;
 256
 257         effective_gain_display ();
 258
 259         _previous_amp_output_streams = _amp->output_streams ();
 260 }
 261
 262 void
 263 GainMeterBase::hide_all_meters ()
 264 {
 265         level_meter->hide_meters();
 266 }
 267
 268 void
 269 GainMeter::hide_all_meters ()
 270 {
 271         GainMeterBase::hide_all_meters ();
 272 }
 273
 274 void
 275 GainMeterBase::setup_meters (int len)
 276 {
 277         int meter_width = 5;
 278
 279         switch (_width) {
 280                 case Wide:
 281                         meter_ticks1_area.show();
 282                         meter_ticks2_area.show();
 283                         if (_route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
 284                                 meter_width = 10;
 285                         }
 286                         break;
 287                 case Narrow:
 288                         meter_width = 2;
 289                         meter_ticks1_area.hide();
 290                         meter_ticks2_area.hide();
 291                         break;
 292         }
 293         level_meter->setup_meters(len, meter_width);
 294 }
 295
 296 void
 297 GainMeterBase::set_type (MeterType t)
 298 {
 299         level_meter->set_type(t);
 300 }
 301
 302 void
 303 GainMeter::setup_meters (int len)
 304 {
 305         switch (_width) {
 306                 case Wide:
 307                         hbox.set_homogeneous(true);
 308                         break;
 309                 case Narrow:
 310                         hbox.set_homogeneous(false);
 311                         break;
 312         }
 313         GainMeterBase::setup_meters (len);
 314 }
 315
 316 void
 317 GainMeter::set_type (MeterType t)
 318 {
 319         GainMeterBase::set_type (t);
 320 }
 321
 322 bool
 323 GainMeterBase::gain_key_press (GdkEventKey* ev)
 324 {
 325         if (key_is_legal_for_numeric_entry (ev->keyval)) {
 326                 /* drop through to normal handling */
 327                 return false;
 328         }
 329         /* illegal key for gain entry */
 330         return true;
 331 }
 332
 333 bool
 334 GainMeterBase::peak_button_release (GdkEventButton* ev)
 335 {
 336         /* reset peak label */
 337
 338         if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier|Keyboard::TertiaryModifier)) {
 339                 ResetAllPeakDisplays ();
 340         } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 341                 if (_route) {
 342                         ResetGroupPeakDisplays (_route->route_group());
 343                 }
 344         } else {
 345                 ResetRoutePeakDisplays (_route.get());
 346         }
 347
 348         return true;
 349 }
 350
 351 void
 352 GainMeterBase::reset_peak_display ()
 353 {
 354         _meter->reset_max();
 355         level_meter->clear_meters();
 356         max_peak = -INFINITY;
 357         peak_display.set_label (_("-inf"));
 358         peak_display.set_name ("MixerStripPeakDisplay");
 359 }
 360
 361 void
 362 GainMeterBase::reset_route_peak_display (Route* route)
 363 {
 364         if (_route && _route.get() == route) {
 365                 reset_peak_display ();
 366         }
 367 }
 368
 369 void
 370 GainMeterBase::reset_group_peak_display (RouteGroup* group)
 371 {
 372         if (_route && group == _route->route_group()) {
 373                 reset_peak_display ();
 374         }
 375 }
 376
 377 void
 378 GainMeterBase::popup_meter_menu (GdkEventButton *ev)
 379 {
 380         using namespace Menu_Helpers;
 381
 382         if (meter_menu == 0) {
 383                 meter_menu = new Gtk::Menu;
 384                 MenuList& items = meter_menu->items();
 385
 386                 items.push_back (MenuElem ("-inf .. +0dBFS"));
 387                 items.push_back (MenuElem ("-10dB .. +0dBFS"));
 388                 items.push_back (MenuElem ("-4 .. +0dBFS"));
 389                 items.push_back (SeparatorElem());
 390                 items.push_back (MenuElem ("-inf .. -2dBFS"));
 391                 items.push_back (MenuElem ("-10dB .. -2dBFS"));
 392                 items.push_back (MenuElem ("-4 .. -2dBFS"));
 393         }
 394
 395         meter_menu->popup (1, ev->time);
 396 }
 397
 398 bool
 399 GainMeterBase::gain_focused (GdkEventFocus* ev)
 400 {
 401         if (ev->in) {
 402                 gain_display.select_region (0, -1);
 403         } else {
 404                 gain_display.select_region (0, 0);
 405         }
 406         return false;
 407 }
 408
 409 void
 410 GainMeterBase::gain_activated ()
 411 {
 412         float f;
 413
 414         {
 415                 // Switch to user's preferred locale so that
 416                 // if they use different LC_NUMERIC conventions,
 417                 // we will honor them.
 418
 419                 PBD::LocaleGuard lg ("");
 420                 if (sscanf (gain_display.get_text().c_str(), "%f", &f) != 1) {
 421                         return;
 422                 }
 423         }
 424
 425         /* clamp to displayable values */
 426         if (_data_type == DataType::AUDIO) {
 427                 f = min (f, 6.0f);
 428                 _amp->set_gain (dB_to_coefficient(f), this);
 429         } else {
 430                 f = min (fabs (f), 2.0f);
 431                 _amp->set_gain (f, this);
 432         }
 433
 434         if (gain_display.has_focus()) {
 435                 Gtk::Widget* w = gain_display.get_toplevel();
 436                 if (w) {
 437                         Gtk::Window* win = dynamic_cast<Gtk::Window*> (w);
 438
 439                         /* sigh. gtkmm doesn't wrap get_default_widget() */
 440
 441                         if (win) {
 442                                 GtkWidget* f = gtk_window_get_default_widget (win->gobj());
 443                                 if (f) {
 444                                         gtk_widget_grab_focus (f);
 445                                         return;
 446                                 }
 447                         }
 448                 }
 449         }
 450 }
 451
 452 void
 453 GainMeterBase::show_gain ()
 454 {
 455         char buf[32];
 456
 457         float v = gain_adjustment.get_value();
 458
 459         switch (_data_type) {
 460         case DataType::AUDIO:
 461                 if (v == 0.0) {
 462                         strcpy (buf, _("-inf"));
 463                 } else {
 464                         snprintf (buf, sizeof (buf), "%.1f", accurate_coefficient_to_dB (slider_position_to_gain_with_max (v, Config->get_max_gain())));
 465                 }
 466                 break;
 467         case DataType::MIDI:
 468                 snprintf (buf, sizeof (buf), "%.1f", v);
 469                 break;
 470         }
 471
 472         gain_display.set_text (buf);
 473 }
 474
 475 void
 476 GainMeterBase::gain_adjusted ()
 477 {
 478         gain_t value;
 479
 480         /* convert from adjustment range (0..1) to gain coefficient */
 481
 482         if (_data_type == DataType::AUDIO) {
 483                 value = slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain());
 484         } else {
 485                 value = gain_adjustment.get_value();
 486         }
 487
 488         if (!ignore_toggle) {
 489                 if (_route && _route->amp() == _amp) {
 490                         _route->set_gain (value, this);
 491                 } else {
 492                         _amp->set_gain (value, this);
 493                 }
 494         }
 495
 496         show_gain ();
 497 }
 498
 499 void
 500 GainMeterBase::effective_gain_display ()
 501 {
 502         float value = 0.0;
 503
 504         switch (_data_type) {
 505         case DataType::AUDIO:
 506                 value = gain_to_slider_position_with_max (_amp->gain(), Config->get_max_gain());
 507                 break;
 508         case DataType::MIDI:
 509                 value = _amp->gain ();
 510                 break;
 511         }
 512
 513         if (gain_adjustment.get_value() != value) {
 514                 ignore_toggle = true;
 515                 gain_adjustment.set_value (value);
 516                 ignore_toggle = false;
 517         }
 518 }
 519
 520 void
 521 GainMeterBase::gain_changed ()
 522 {
 523         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&GainMeterBase::effective_gain_display, this));
 524 }
 525
 526 void
 527 GainMeterBase::set_meter_strip_name (const char * name)
 528 {
 529         meter_metric_area.set_name (name);
 530         meter_ticks1_area.set_name (name);
 531         meter_ticks2_area.set_name (name);
 532 }
 533
 534 void
 535 GainMeterBase::set_fader_name (const char * name)
 536 {
 537         gain_slider->set_name (name);
 538 }
 539
 540 void
 541 GainMeterBase::update_gain_sensitive ()
 542 {
 543         bool x = !(_amp->gain_control()->alist()->automation_state() & Play);
 544         static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (x);
 545 }
 546
 547 static MeterPoint
 548 next_meter_point (MeterPoint mp)
 549 {
 550         switch (mp) {
 551         case MeterInput:
 552                 return MeterPreFader;
 553                 break;
 554
 555         case MeterPreFader:
 556                 return MeterPostFader;
 557                 break;
 558
 559         case MeterPostFader:
 560                 return MeterOutput;
 561                 break;
 562
 563         case MeterOutput:
 564                 return MeterCustom;
 565                 break;
 566
 567         case MeterCustom:
 568                 return MeterInput;
 569                 break;
 570         }
 571
 572         /*NOTREACHED*/
 573         return MeterInput;
 574 }
 575
 576 gint
 577 GainMeterBase::meter_press(GdkEventButton* ev)
 578 {
 579         wait_for_release = false;
 580
 581         if (!_route) {
 582                 return FALSE;
 583         }
 584
 585         if (!ignore_toggle) {
 586
 587                 if (Keyboard::is_context_menu_event (ev)) {
 588
 589                         // no menu at this time.
 590
 591                 } else {
 592
 593                         if (Keyboard::is_button2_event(ev)) {
 594
 595                                 // Primary-button2 click is the midi binding click
 596                                 // button2-click is "momentary"
 597
 598                                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier))) {
 599                                         wait_for_release = true;
 600                                         old_meter_point = _route->meter_point ();
 601                                 }
 602                         }
 603
 604                         if (_route && (ev->button == 1 || Keyboard::is_button2_event (ev))) {
 605
 606                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 607
 608                                         /* Primary+Tertiary-click applies change to all routes */
 609
 610                                         _session->foreach_route (this, &GainMeterBase::set_meter_point, next_meter_point (_route->meter_point()));
 611
 612
 613                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 614
 615                                         /* Primary-click: solo mix group.
 616                                            NOTE: Primary-button2 is MIDI learn.
 617                                         */
 618
 619                                         if (ev->button == 1) {
 620                                                 set_route_group_meter_point (*_route, next_meter_point (_route->meter_point()));
 621                                         }
 622
 623                                 } else {
 624
 625                                         /* click: change just this route */
 626
 627                                         // XXX no undo yet
 628
 629                                         _route->set_meter_point (next_meter_point (_route->meter_point()));
 630                                 }
 631                         }
 632                 }
 633         }
 634
 635         return true;
 636
 637 }
 638
 639 gint
 640 GainMeterBase::meter_release(GdkEventButton*)
 641 {
 642         if (!ignore_toggle) {
 643                 if (wait_for_release) {
 644                         wait_for_release = false;
 645
 646                         if (_route) {
 647                                 set_meter_point (*_route, old_meter_point);
 648                         }
 649                 }
 650         }
 651
 652         return true;
 653 }
 654
 655 void
 656 GainMeterBase::set_meter_point (Route& route, MeterPoint mp)
 657 {
 658         route.set_meter_point (mp);
 659 }
 660
 661 void
 662 GainMeterBase::set_route_group_meter_point (Route& route, MeterPoint mp)
 663 {
 664         RouteGroup* route_group;
 665
 666         if ((route_group = route.route_group ()) != 0) {
 667                 route_group->foreach_route (boost::bind (&Route::set_meter_point, _1, mp, false));
 668         } else {
 669                 route.set_meter_point (mp);
 670         }
 671 }
 672
 673 void
 674 GainMeterBase::meter_point_clicked ()
 675 {
 676         if (_route) {
 677                 /* WHAT? */
 678         }
 679 }
 680
 681 bool
 682 GainMeterBase::gain_slider_button_press (GdkEventButton* ev)
 683 {
 684         switch (ev->type) {
 685         case GDK_BUTTON_PRESS:
 686                 _amp->gain_control()->start_touch (_amp->session().transport_frame());
 687                 break;
 688         default:
 689                 return false;
 690         }
 691
 692         return false;
 693 }
 694
 695 bool
 696 GainMeterBase::gain_slider_button_release (GdkEventButton*)
 697 {
 698         _amp->gain_control()->stop_touch (false, _amp->session().transport_frame());
 699         return false;
 700 }
 701
 702 gint
 703 GainMeterBase::gain_automation_state_button_event (GdkEventButton *ev)
 704 {
 705         if (ev->type == GDK_BUTTON_RELEASE) {
 706                 return TRUE;
 707         }
 708
 709         switch (ev->button) {
 710                 case 1:
 711                         gain_astate_menu.popup (1, ev->time);
 712                         break;
 713                 default:
 714                         break;
 715         }
 716
 717         return TRUE;
 718 }
 719
 720 gint
 721 GainMeterBase::gain_automation_style_button_event (GdkEventButton *ev)
 722 {
 723         if (ev->type == GDK_BUTTON_RELEASE) {
 724                 return TRUE;
 725         }
 726
 727         switch (ev->button) {
 728         case 1:
 729                 gain_astyle_menu.popup (1, ev->time);
 730                 break;
 731         default:
 732                 break;
 733         }
 734         return TRUE;
 735 }
 736
 737 string
 738 GainMeterBase::astate_string (AutoState state)
 739 {
 740         return _astate_string (state, false);
 741 }
 742
 743 string
 744 GainMeterBase::short_astate_string (AutoState state)
 745 {
 746         return _astate_string (state, true);
 747 }
 748
 749 string
 750 GainMeterBase::_astate_string (AutoState state, bool shrt)
 751 {
 752         string sstr;
 753
 754         switch (state) {
 755         case ARDOUR::Off:
 756                 sstr = (shrt ? "M" : _("M"));
 757                 break;
 758         case Play:
 759                 sstr = (shrt ? "P" : _("P"));
 760                 break;
 761         case Touch:
 762                 sstr = (shrt ? "T" : _("T"));
 763                 break;
 764         case Write:
 765                 sstr = (shrt ? "W" : _("W"));
 766                 break;
 767         }
 768
 769         return sstr;
 770 }
 771
 772 string
 773 GainMeterBase::astyle_string (AutoStyle style)
 774 {
 775         return _astyle_string (style, false);
 776 }
 777
 778 string
 779 GainMeterBase::short_astyle_string (AutoStyle style)
 780 {
 781         return _astyle_string (style, true);
 782 }
 783
 784 string
 785 GainMeterBase::_astyle_string (AutoStyle style, bool shrt)
 786 {
 787         if (style & Trim) {
 788                 return _("Trim");
 789         } else {
 790                 /* XXX it might different in different languages */
 791
 792                 return (shrt ? _("Abs") : _("Abs"));
 793         }
 794 }
 795
 796 void
 797 GainMeterBase::gain_automation_style_changed ()
 798 {
 799         switch (_width) {
 800         case Wide:
 801                 gain_automation_style_button.set_text (astyle_string(_amp->gain_control()->alist()->automation_style()));
 802                 break;
 803         case Narrow:
 804                 gain_automation_style_button.set_text  (short_astyle_string(_amp->gain_control()->alist()->automation_style()));
 805                 break;
 806         }
 807 }
 808
 809 void
 810 GainMeterBase::gain_automation_state_changed ()
 811 {
 812         ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed)
 813
 814         bool x;
 815
 816         switch (_width) {
 817         case Wide:
 818                 gain_automation_state_button.set_text (astate_string(_amp->gain_control()->alist()->automation_state()));
 819                 break;
 820         case Narrow:
 821                 gain_automation_state_button.set_text (short_astate_string(_amp->gain_control()->alist()->automation_state()));
 822                 break;
 823         }
 824
 825         x = (_amp->gain_control()->alist()->automation_state() != ARDOUR::Off);
 826
 827         if (gain_automation_state_button.get_active() != x) {
 828                 ignore_toggle = true;
 829                 gain_automation_state_button.set_active (x);
 830                 ignore_toggle = false;
 831         }
 832
 833         update_gain_sensitive ();
 834
 835         /* start watching automation so that things move */
 836
 837         gain_watching.disconnect();
 838
 839         if (x) {
 840                 gain_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &GainMeterBase::effective_gain_display));
 841         }
 842 }
 843
 844 void
 845 GainMeterBase::update_meters()
 846 {
 847         char buf[32];
 848         float mpeak = level_meter->update_meters();
 849
 850         if (mpeak > max_peak) {
 851                 max_peak = mpeak;
 852                 if (mpeak <= -200.0f) {
 853                         peak_display.set_label (_("-inf"));
 854                 } else {
 855                         snprintf (buf, sizeof(buf), "%.1f", mpeak);
 856                         peak_display.set_label (buf);
 857                 }
 858         }
 859         if (mpeak >= Config->get_meter_peak()) {
 860                 peak_display.set_name ("MixerStripPeakDisplayPeak");
 861         }
 862 }
 863
 864 void GainMeterBase::color_handler(bool dpi)
 865 {
 866         setup_meters();
 867 }
 868
 869 void
 870 GainMeterBase::set_width (Width w, int len)
 871 {
 872         _width = w;
 873         int meter_width = 5;
 874         if (_width == Wide && _route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
 875                 meter_width = 10;
 876         }
 877         level_meter->setup_meters(len, meter_width);
 878 }
 879
 880
 881 void
 882 GainMeterBase::on_theme_changed()
 883 {
 884 }
 885
 886 void
 887 GainMeterBase::redraw_metrics()
 888 {
 889         meter_metric_area.queue_draw ();
 890         meter_ticks1_area.queue_draw ();
 891         meter_ticks2_area.queue_draw ();
 892 }
 893
 894 GainMeter::GainMeter (Session* s, int fader_length)
 895         : GainMeterBase (s, false, fader_length, 24)
 896         , gain_display_box(true, 0)
 897         , hbox(true, 2)
 898 {
 899         if (gain_display.get_parent()) {
 900                 gain_display.get_parent()->remove (gain_display);
 901         }
 902         gain_display_box.pack_start (gain_display, true, true);
 903
 904         meter_metric_area.set_name ("AudioTrackMetrics");
 905         meter_metric_area.set_size_request(24, -1);
 906
 907         gain_automation_style_button.set_name ("mixer strip button");
 908         gain_automation_state_button.set_name ("mixer strip button");
 909
 910         ARDOUR_UI::instance()->set_tip (gain_automation_state_button, _("Fader automation mode"));
 911         ARDOUR_UI::instance()->set_tip (gain_automation_style_button, _("Fader automation type"));
 912
 913         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 914         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 915
 916         gain_automation_state_button.set_size_request(15, 15);
 917         gain_automation_style_button.set_size_request(15, 15);
 918
 919         fader_vbox = manage (new Gtk::VBox());
 920         fader_vbox->set_spacing (0);
 921         fader_vbox->pack_start (*gain_slider, true, true);
 922
 923         fader_alignment.set (0.5, 0.5, 0.0, 1.0);
 924         fader_alignment.add (*fader_vbox);
 925
 926         hbox.pack_start (fader_alignment, true, true);
 927
 928         set_spacing (2);
 929
 930         pack_start (gain_display_box, Gtk::PACK_SHRINK);
 931         pack_start (hbox, Gtk::PACK_SHRINK);
 932
 933         meter_alignment.set (0.5, 0.5, 0.0, 1.0);
 934         meter_alignment.add (*level_meter);
 935
 936         meter_metric_area.signal_expose_event().connect (
 937                 sigc::mem_fun(*this, &GainMeter::meter_metrics_expose));
 938
 939         meter_ticks1_area.set_size_request(3,-1);
 940         meter_ticks2_area.set_size_request(3,-1);
 941
 942         meter_ticks1_area.signal_expose_event().connect (
 943                         sigc::mem_fun(*this, &GainMeter::meter_ticks1_expose));
 944         meter_ticks2_area.signal_expose_event().connect (
 945                         sigc::mem_fun(*this, &GainMeter::meter_ticks2_expose));
 946
 947         meter_hbox.pack_start (meter_ticks1_area, false, false);
 948         meter_hbox.pack_start (meter_alignment, false, false);
 949         meter_hbox.pack_start (meter_ticks2_area, false, false);
 950         meter_hbox.pack_start (meter_metric_area, false, false);
 951 }
 952
 953 GainMeter::~GainMeter () { }
 954
 955 void
 956 GainMeter::set_controls (boost::shared_ptr<Route> r,
 957                          boost::shared_ptr<PeakMeter> meter,
 958                          boost::shared_ptr<Amp> amp)
 959 {
 960         if (meter_hbox.get_parent()) {
 961                 hbox.remove (meter_hbox);
 962         }
 963
 964 //      if (gain_automation_state_button.get_parent()) {
 965 //              fader_vbox->remove (gain_automation_state_button);
 966 //      }
 967
 968         GainMeterBase::set_controls (r, meter, amp);
 969
 970         if (_meter) {
 971                 _meter->ConfigurationChanged.connect (
 972                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_configuration_changed, this, _1), gui_context()
 973                         );
 974                 _meter->TypeChanged.connect (
 975                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_type_changed, this, _1), gui_context()
 976                         );
 977
 978                 meter_configuration_changed (_meter->input_streams ());
 979         }
 980
 981
 982         if (_route) {
 983                 _route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
 984         }
 985
 986         /*
 987            if we have a non-hidden route (ie. we're not the click or the auditioner),
 988            pack some route-dependent stuff.
 989         */
 990
 991         hbox.pack_start (meter_hbox, true, true);
 992
 993 //      if (r && !r->is_auditioner()) {
 994 //              fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
 995 //      }
 996
 997         hbox.show_all ();
 998         setup_meters ();
 999 }
1000
1001 int
1002 GainMeter::get_gm_width ()
1003 {
1004         Gtk::Requisition sz;
1005         int min_w = 0;
1006         meter_metric_area.size_request (sz);
1007         min_w += sz.width;
1008         level_meter->size_request (sz);
1009         min_w += sz.width;
1010
1011         fader_alignment.size_request (sz);
1012         if (_width == Wide)
1013                 return max(sz.width * 2, min_w * 2) + 6;
1014         else
1015                 return sz.width + min_w + 6;
1016
1017 }
1018
1019 gint
1020 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
1021 {
1022         if (!_route) {
1023                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1024                 return meter_expose_metrics(ev, MeterPeak, _types, &meter_metric_area);
1025         }
1026         return meter_expose_metrics(ev, _route->meter_type(), _types, &meter_metric_area);
1027 }
1028
1029 gint
1030 GainMeter::meter_ticks1_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_ticks1_area);
1035         }
1036         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks1_area);
1037 }
1038
1039 gint
1040 GainMeter::meter_ticks2_expose (GdkEventExpose *ev)
1041 {
1042         if (!_route) {
1043                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1044                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks2_area);
1045         }
1046         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks2_area);
1047 }
1048
1049 boost::shared_ptr<PBD::Controllable>
1050 GainMeterBase::get_controllable()
1051 {
1052         if (_amp) {
1053                 return _amp->gain_control();
1054         } else {
1055                 return boost::shared_ptr<PBD::Controllable>();
1056         }
1057 }
1058
1059 bool
1060 GainMeterBase::level_meter_button_press (GdkEventButton* ev)
1061 {
1062         return LevelMeterButtonPress (ev); /* EMIT SIGNAL */
1063 }
1064
1065 void
1066 GainMeter::meter_configuration_changed (ChanCount c)
1067 {
1068         int type = 0;
1069         _types.clear ();
1070
1071         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1072                 if (c.get (*i) > 0) {
1073                         _types.push_back (*i);
1074                         type |= 1 << (*i);
1075                 }
1076         }
1077
1078         if (_route
1079                         && boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
1080                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
1081                         ) {
1082                 if (_route->active()) {
1083                         set_meter_strip_name ("AudioBusMetrics");
1084                 } else {
1085                         set_meter_strip_name ("AudioBusMetricsInactive");
1086                 }
1087         }
1088         else if (
1089                            (type == (1 << DataType::MIDI))
1090                         || (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
1091                         ) {
1092                 if (!_route || _route->active()) {
1093                         set_meter_strip_name ("MidiTrackMetrics");
1094                 } else {
1095                         set_meter_strip_name ("MidiTrackMetricsInactive");
1096                 }
1097         }
1098         else if (type == (1 << DataType::AUDIO)) {
1099                 if (!_route || _route->active()) {
1100                         set_meter_strip_name ("AudioTrackMetrics");
1101                 } else {
1102                         set_meter_strip_name ("AudioTrackMetricsInactive");
1103                 }
1104         } else {
1105                 if (!_route || _route->active()) {
1106                         set_meter_strip_name ("AudioMidiTrackMetrics");
1107                 } else {
1108                         set_meter_strip_name ("AudioMidiTrackMetricsInactive");
1109                 }
1110         }
1111
1112         setup_meters();
1113         meter_clear_pattern_cache(4);
1114 }
1115
1116 void
1117 GainMeter::route_active_changed ()
1118 {
1119         if (_meter) {
1120                 meter_configuration_changed (_meter->input_streams ());
1121         }
1122 }
1123
1124 void
1125 GainMeter::meter_type_changed (MeterType t)
1126 {
1127         _route->set_meter_type(t);
1128         RedrawMetrics();
1129 }