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         char tmp[256];
 530         meter_metric_area.set_name (name);
 531         sprintf(tmp, "Mark%sLeft", name);
 532         meter_ticks1_area.set_name (tmp);
 533         sprintf(tmp, "Mark%sRight", name);
 534         meter_ticks2_area.set_name (tmp);
 535 }
 536
 537 void
 538 GainMeterBase::set_fader_name (const char * name)
 539 {
 540         gain_slider->set_name (name);
 541 }
 542
 543 void
 544 GainMeterBase::update_gain_sensitive ()
 545 {
 546         bool x = !(_amp->gain_control()->alist()->automation_state() & Play);
 547         static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (x);
 548 }
 549
 550 static MeterPoint
 551 next_meter_point (MeterPoint mp)
 552 {
 553         switch (mp) {
 554         case MeterInput:
 555                 return MeterPreFader;
 556                 break;
 557
 558         case MeterPreFader:
 559                 return MeterPostFader;
 560                 break;
 561
 562         case MeterPostFader:
 563                 return MeterOutput;
 564                 break;
 565
 566         case MeterOutput:
 567                 return MeterCustom;
 568                 break;
 569
 570         case MeterCustom:
 571                 return MeterInput;
 572                 break;
 573         }
 574
 575         /*NOTREACHED*/
 576         return MeterInput;
 577 }
 578
 579 gint
 580 GainMeterBase::meter_press(GdkEventButton* ev)
 581 {
 582         wait_for_release = false;
 583
 584         if (!_route) {
 585                 return FALSE;
 586         }
 587
 588         if (!ignore_toggle) {
 589
 590                 if (Keyboard::is_context_menu_event (ev)) {
 591
 592                         // no menu at this time.
 593
 594                 } else {
 595
 596                         if (Keyboard::is_button2_event(ev)) {
 597
 598                                 // Primary-button2 click is the midi binding click
 599                                 // button2-click is "momentary"
 600
 601                                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier))) {
 602                                         wait_for_release = true;
 603                                         old_meter_point = _route->meter_point ();
 604                                 }
 605                         }
 606
 607                         if (_route && (ev->button == 1 || Keyboard::is_button2_event (ev))) {
 608
 609                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 610
 611                                         /* Primary+Tertiary-click applies change to all routes */
 612
 613                                         _session->foreach_route (this, &GainMeterBase::set_meter_point, next_meter_point (_route->meter_point()));
 614
 615
 616                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 617
 618                                         /* Primary-click: solo mix group.
 619                                            NOTE: Primary-button2 is MIDI learn.
 620                                         */
 621
 622                                         if (ev->button == 1) {
 623                                                 set_route_group_meter_point (*_route, next_meter_point (_route->meter_point()));
 624                                         }
 625
 626                                 } else {
 627
 628                                         /* click: change just this route */
 629
 630                                         // XXX no undo yet
 631
 632                                         _route->set_meter_point (next_meter_point (_route->meter_point()));
 633                                 }
 634                         }
 635                 }
 636         }
 637
 638         return true;
 639
 640 }
 641
 642 gint
 643 GainMeterBase::meter_release(GdkEventButton*)
 644 {
 645         if (!ignore_toggle) {
 646                 if (wait_for_release) {
 647                         wait_for_release = false;
 648
 649                         if (_route) {
 650                                 set_meter_point (*_route, old_meter_point);
 651                         }
 652                 }
 653         }
 654
 655         return true;
 656 }
 657
 658 void
 659 GainMeterBase::set_meter_point (Route& route, MeterPoint mp)
 660 {
 661         route.set_meter_point (mp);
 662 }
 663
 664 void
 665 GainMeterBase::set_route_group_meter_point (Route& route, MeterPoint mp)
 666 {
 667         RouteGroup* route_group;
 668
 669         if ((route_group = route.route_group ()) != 0) {
 670                 route_group->foreach_route (boost::bind (&Route::set_meter_point, _1, mp, false));
 671         } else {
 672                 route.set_meter_point (mp);
 673         }
 674 }
 675
 676 void
 677 GainMeterBase::meter_point_clicked ()
 678 {
 679         if (_route) {
 680                 /* WHAT? */
 681         }
 682 }
 683
 684 bool
 685 GainMeterBase::gain_slider_button_press (GdkEventButton* ev)
 686 {
 687         switch (ev->type) {
 688         case GDK_BUTTON_PRESS:
 689                 _amp->gain_control()->start_touch (_amp->session().transport_frame());
 690                 break;
 691         default:
 692                 return false;
 693         }
 694
 695         return false;
 696 }
 697
 698 bool
 699 GainMeterBase::gain_slider_button_release (GdkEventButton*)
 700 {
 701         _amp->gain_control()->stop_touch (false, _amp->session().transport_frame());
 702         return false;
 703 }
 704
 705 gint
 706 GainMeterBase::gain_automation_state_button_event (GdkEventButton *ev)
 707 {
 708         if (ev->type == GDK_BUTTON_RELEASE) {
 709                 return TRUE;
 710         }
 711
 712         switch (ev->button) {
 713                 case 1:
 714                         gain_astate_menu.popup (1, ev->time);
 715                         break;
 716                 default:
 717                         break;
 718         }
 719
 720         return TRUE;
 721 }
 722
 723 gint
 724 GainMeterBase::gain_automation_style_button_event (GdkEventButton *ev)
 725 {
 726         if (ev->type == GDK_BUTTON_RELEASE) {
 727                 return TRUE;
 728         }
 729
 730         switch (ev->button) {
 731         case 1:
 732                 gain_astyle_menu.popup (1, ev->time);
 733                 break;
 734         default:
 735                 break;
 736         }
 737         return TRUE;
 738 }
 739
 740 string
 741 GainMeterBase::astate_string (AutoState state)
 742 {
 743         return _astate_string (state, false);
 744 }
 745
 746 string
 747 GainMeterBase::short_astate_string (AutoState state)
 748 {
 749         return _astate_string (state, true);
 750 }
 751
 752 string
 753 GainMeterBase::_astate_string (AutoState state, bool shrt)
 754 {
 755         string sstr;
 756
 757         switch (state) {
 758         case ARDOUR::Off:
 759                 sstr = (shrt ? "M" : _("M"));
 760                 break;
 761         case Play:
 762                 sstr = (shrt ? "P" : _("P"));
 763                 break;
 764         case Touch:
 765                 sstr = (shrt ? "T" : _("T"));
 766                 break;
 767         case Write:
 768                 sstr = (shrt ? "W" : _("W"));
 769                 break;
 770         }
 771
 772         return sstr;
 773 }
 774
 775 string
 776 GainMeterBase::astyle_string (AutoStyle style)
 777 {
 778         return _astyle_string (style, false);
 779 }
 780
 781 string
 782 GainMeterBase::short_astyle_string (AutoStyle style)
 783 {
 784         return _astyle_string (style, true);
 785 }
 786
 787 string
 788 GainMeterBase::_astyle_string (AutoStyle style, bool shrt)
 789 {
 790         if (style & Trim) {
 791                 return _("Trim");
 792         } else {
 793                 /* XXX it might different in different languages */
 794
 795                 return (shrt ? _("Abs") : _("Abs"));
 796         }
 797 }
 798
 799 void
 800 GainMeterBase::gain_automation_style_changed ()
 801 {
 802         switch (_width) {
 803         case Wide:
 804                 gain_automation_style_button.set_text (astyle_string(_amp->gain_control()->alist()->automation_style()));
 805                 break;
 806         case Narrow:
 807                 gain_automation_style_button.set_text  (short_astyle_string(_amp->gain_control()->alist()->automation_style()));
 808                 break;
 809         }
 810 }
 811
 812 void
 813 GainMeterBase::gain_automation_state_changed ()
 814 {
 815         ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed)
 816
 817         bool x;
 818
 819         switch (_width) {
 820         case Wide:
 821                 gain_automation_state_button.set_text (astate_string(_amp->gain_control()->alist()->automation_state()));
 822                 break;
 823         case Narrow:
 824                 gain_automation_state_button.set_text (short_astate_string(_amp->gain_control()->alist()->automation_state()));
 825                 break;
 826         }
 827
 828         x = (_amp->gain_control()->alist()->automation_state() != ARDOUR::Off);
 829
 830         if (gain_automation_state_button.get_active() != x) {
 831                 ignore_toggle = true;
 832                 gain_automation_state_button.set_active (x);
 833                 ignore_toggle = false;
 834         }
 835
 836         update_gain_sensitive ();
 837
 838         /* start watching automation so that things move */
 839
 840         gain_watching.disconnect();
 841
 842         if (x) {
 843                 gain_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &GainMeterBase::effective_gain_display));
 844         }
 845 }
 846
 847 void
 848 GainMeterBase::update_meters()
 849 {
 850         char buf[32];
 851         float mpeak = level_meter->update_meters();
 852
 853         if (mpeak > max_peak) {
 854                 max_peak = mpeak;
 855                 if (mpeak <= -200.0f) {
 856                         peak_display.set_label (_("-inf"));
 857                 } else {
 858                         snprintf (buf, sizeof(buf), "%.1f", mpeak);
 859                         peak_display.set_label (buf);
 860                 }
 861         }
 862         if (mpeak >= Config->get_meter_peak()) {
 863                 peak_display.set_name ("MixerStripPeakDisplayPeak");
 864         }
 865 }
 866
 867 void GainMeterBase::color_handler(bool /*dpi*/)
 868 {
 869         setup_meters();
 870 }
 871
 872 void
 873 GainMeterBase::set_width (Width w, int len)
 874 {
 875         _width = w;
 876         int meter_width = 5;
 877         if (_width == Wide && _route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
 878                 meter_width = 10;
 879         }
 880         level_meter->setup_meters(len, meter_width);
 881 }
 882
 883
 884 void
 885 GainMeterBase::on_theme_changed()
 886 {
 887 }
 888
 889 void
 890 GainMeterBase::redraw_metrics()
 891 {
 892         meter_metric_area.queue_draw ();
 893         meter_ticks1_area.queue_draw ();
 894         meter_ticks2_area.queue_draw ();
 895 }
 896
 897 GainMeter::GainMeter (Session* s, int fader_length)
 898         : GainMeterBase (s, false, fader_length, 24)
 899         , gain_display_box(true, 0)
 900         , hbox(true, 2)
 901 {
 902         if (gain_display.get_parent()) {
 903                 gain_display.get_parent()->remove (gain_display);
 904         }
 905         gain_display_box.pack_start (gain_display, true, true);
 906
 907         meter_metric_area.set_name ("AudioTrackMetrics");
 908         meter_metric_area.set_size_request(24, -1);
 909
 910         gain_automation_style_button.set_name ("mixer strip button");
 911         gain_automation_state_button.set_name ("mixer strip button");
 912
 913         ARDOUR_UI::instance()->set_tip (gain_automation_state_button, _("Fader automation mode"));
 914         ARDOUR_UI::instance()->set_tip (gain_automation_style_button, _("Fader automation type"));
 915
 916         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 917         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 918
 919         gain_automation_state_button.set_size_request(15, 15);
 920         gain_automation_style_button.set_size_request(15, 15);
 921
 922         fader_vbox = manage (new Gtk::VBox());
 923         fader_vbox->set_spacing (0);
 924         fader_vbox->pack_start (*gain_slider, true, true);
 925
 926         fader_alignment.set (0.5, 0.5, 0.0, 1.0);
 927         fader_alignment.add (*fader_vbox);
 928
 929         hbox.pack_start (fader_alignment, true, true);
 930
 931         set_spacing (2);
 932
 933         pack_start (gain_display_box, Gtk::PACK_SHRINK);
 934         pack_start (hbox, Gtk::PACK_SHRINK);
 935
 936         meter_alignment.set (0.5, 0.5, 0.0, 1.0);
 937         meter_alignment.add (*level_meter);
 938
 939         meter_metric_area.signal_expose_event().connect (
 940                 sigc::mem_fun(*this, &GainMeter::meter_metrics_expose));
 941
 942         meter_ticks1_area.set_size_request(3,-1);
 943         meter_ticks2_area.set_size_request(3,-1);
 944
 945         meter_ticks1_area.signal_expose_event().connect (
 946                         sigc::mem_fun(*this, &GainMeter::meter_ticks1_expose));
 947         meter_ticks2_area.signal_expose_event().connect (
 948                         sigc::mem_fun(*this, &GainMeter::meter_ticks2_expose));
 949
 950         meter_hbox.pack_start (meter_ticks1_area, false, false);
 951         meter_hbox.pack_start (meter_alignment, false, false);
 952         meter_hbox.pack_start (meter_ticks2_area, false, false);
 953         meter_hbox.pack_start (meter_metric_area, false, false);
 954 }
 955
 956 GainMeter::~GainMeter () { }
 957
 958 void
 959 GainMeter::set_controls (boost::shared_ptr<Route> r,
 960                          boost::shared_ptr<PeakMeter> meter,
 961                          boost::shared_ptr<Amp> amp)
 962 {
 963         if (meter_hbox.get_parent()) {
 964                 hbox.remove (meter_hbox);
 965         }
 966
 967 //      if (gain_automation_state_button.get_parent()) {
 968 //              fader_vbox->remove (gain_automation_state_button);
 969 //      }
 970
 971         GainMeterBase::set_controls (r, meter, amp);
 972
 973         if (_meter) {
 974                 _meter->ConfigurationChanged.connect (
 975                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_configuration_changed, this, _1), gui_context()
 976                         );
 977                 _meter->TypeChanged.connect (
 978                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_type_changed, this, _1), gui_context()
 979                         );
 980
 981                 meter_configuration_changed (_meter->input_streams ());
 982         }
 983
 984
 985         if (_route) {
 986                 _route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
 987         }
 988
 989         /*
 990            if we have a non-hidden route (ie. we're not the click or the auditioner),
 991            pack some route-dependent stuff.
 992         */
 993
 994         hbox.pack_start (meter_hbox, true, true);
 995
 996 //      if (r && !r->is_auditioner()) {
 997 //              fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
 998 //      }
 999
1000         hbox.show_all ();
1001         setup_meters ();
1002 }
1003
1004 int
1005 GainMeter::get_gm_width ()
1006 {
1007         Gtk::Requisition sz;
1008         int min_w = 0;
1009         meter_metric_area.size_request (sz);
1010         min_w += sz.width;
1011         level_meter->size_request (sz);
1012         min_w += sz.width;
1013
1014         fader_alignment.size_request (sz);
1015         if (_width == Wide)
1016                 return max(sz.width * 2, min_w * 2) + 6;
1017         else
1018                 return sz.width + min_w + 6;
1019
1020 }
1021
1022 gint
1023 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
1024 {
1025         if (!_route) {
1026                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1027                 return meter_expose_metrics(ev, MeterPeak, _types, &meter_metric_area);
1028         }
1029         return meter_expose_metrics(ev, _route->meter_type(), _types, &meter_metric_area);
1030 }
1031
1032 gint
1033 GainMeter::meter_ticks1_expose (GdkEventExpose *ev)
1034 {
1035         if (!_route) {
1036                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1037                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks1_area);
1038         }
1039         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks1_area);
1040 }
1041
1042 gint
1043 GainMeter::meter_ticks2_expose (GdkEventExpose *ev)
1044 {
1045         if (!_route) {
1046                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1047                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks2_area);
1048         }
1049         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks2_area);
1050 }
1051
1052 boost::shared_ptr<PBD::Controllable>
1053 GainMeterBase::get_controllable()
1054 {
1055         if (_amp) {
1056                 return _amp->gain_control();
1057         } else {
1058                 return boost::shared_ptr<PBD::Controllable>();
1059         }
1060 }
1061
1062 bool
1063 GainMeterBase::level_meter_button_press (GdkEventButton* ev)
1064 {
1065         return LevelMeterButtonPress (ev); /* EMIT SIGNAL */
1066 }
1067
1068 void
1069 GainMeter::meter_configuration_changed (ChanCount c)
1070 {
1071         int type = 0;
1072         _types.clear ();
1073
1074         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1075                 if (c.get (*i) > 0) {
1076                         _types.push_back (*i);
1077                         type |= 1 << (*i);
1078                 }
1079         }
1080
1081         if (_route
1082                         && boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
1083                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
1084                         ) {
1085                 if (_route->active()) {
1086                         set_meter_strip_name ("AudioBusMetrics");
1087                 } else {
1088                         set_meter_strip_name ("AudioBusMetricsInactive");
1089                 }
1090         }
1091         else if (
1092                            (type == (1 << DataType::MIDI))
1093                         || (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
1094                         ) {
1095                 if (!_route || _route->active()) {
1096                         set_meter_strip_name ("MidiTrackMetrics");
1097                 } else {
1098                         set_meter_strip_name ("MidiTrackMetricsInactive");
1099                 }
1100         }
1101         else if (type == (1 << DataType::AUDIO)) {
1102                 if (!_route || _route->active()) {
1103                         set_meter_strip_name ("AudioTrackMetrics");
1104                 } else {
1105                         set_meter_strip_name ("AudioTrackMetricsInactive");
1106                 }
1107         } else {
1108                 if (!_route || _route->active()) {
1109                         set_meter_strip_name ("AudioMidiTrackMetrics");
1110                 } else {
1111                         set_meter_strip_name ("AudioMidiTrackMetricsInactive");
1112                 }
1113         }
1114
1115         setup_meters();
1116         meter_clear_pattern_cache(4);
1117 }
1118
1119 void
1120 GainMeter::route_active_changed ()
1121 {
1122         if (_meter) {
1123                 meter_configuration_changed (_meter->input_streams ());
1124         }
1125 }
1126
1127 void
1128 GainMeter::meter_type_changed (MeterType t)
1129 {
1130         _route->set_meter_type(t);
1131         RedrawMetrics();
1132 }