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 "pbd/fastlog.h"
  36 #include "pbd/stacktrace.h"
  37
  38 #include "ardour_ui.h"
  39 #include "gain_meter.h"
  40 #include "global_signals.h"
  41 #include "logmeter.h"
  42 #include "gui_thread.h"
  43 #include "keyboard.h"
  44 #include "public_editor.h"
  45 #include "utils.h"
  46 #include "meter_patterns.h"
  47
  48 #include "ardour/session.h"
  49 #include "ardour/route.h"
  50 #include "ardour/meter.h"
  51 #include "ardour/audio_track.h"
  52 #include "ardour/midi_track.h"
  53
  54 #include "i18n.h"
  55
  56 using namespace ARDOUR;
  57 using namespace ARDOUR_UI_UTILS;
  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         gain_display.set_alignment(1.0);
 103
 104         peak_display.set_name ("MixerStripPeakDisplay");
 105         set_size_request_to_display_given_text (peak_display, "-80.g", 2, 6); /* note the descender */
 106         max_peak = minus_infinity();
 107         peak_display.set_label (_("-inf"));
 108         peak_display.unset_flags (Gtk::CAN_FOCUS);
 109
 110         gain_automation_style_button.set_name ("mixer strip button");
 111         gain_automation_state_button.set_name ("mixer strip button");
 112
 113         ARDOUR_UI::instance()->set_tip (gain_automation_state_button, _("Fader automation mode"));
 114         ARDOUR_UI::instance()->set_tip (gain_automation_style_button, _("Fader automation type"));
 115
 116         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 117         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 118
 119         gain_automation_state_button.set_size_request(15, 15);
 120         gain_automation_style_button.set_size_request(15, 15);
 121
 122         gain_astyle_menu.items().push_back (MenuElem (_("Trim")));
 123         gain_astyle_menu.items().push_back (MenuElem (_("Abs")));
 124
 125         gain_astate_menu.set_name ("ArdourContextMenu");
 126         gain_astyle_menu.set_name ("ArdourContextMenu");
 127
 128         gain_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &GainMeterBase::gain_adjusted));
 129         peak_display.signal_button_release_event().connect (sigc::mem_fun(*this, &GainMeterBase::peak_button_release), false);
 130         gain_display.signal_key_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_key_press), false);
 131
 132         ResetAllPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_peak_display));
 133         ResetRoutePeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_route_peak_display));
 134         ResetGroupPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_group_peak_display));
 135         RedrawMetrics.connect (sigc::mem_fun(*this, &GainMeterBase::redraw_metrics));
 136
 137         UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &GainMeterBase::on_theme_changed));
 138         ColorsChanged.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), false));
 139         DPIReset.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), true));
 140
 141 //      PBD::ScopedConnection _config_connection;
 142 //      Config->ParameterChanged.connect ( _config_connection, MISSING_INVALIDATOR, boost::bind(&GainMeterBase::set_flat_buttons, this, _1), gui_context() );
 143 }
 144
 145 void
 146 GainMeterBase::set_flat_buttons ()
 147 {
 148 //      gain_slider->set_flat_buttons( ARDOUR_UI::config()->flat_buttons.get() );
 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         uint32_t meter_channels = 0;
 279         if (_meter) {
 280                 meter_channels = _meter->input_streams().n_total();
 281         } else if (_route) {
 282                 meter_channels = _route->shared_peak_meter()->input_streams().n_total();
 283         }
 284
 285         switch (_width) {
 286                 case Wide:
 287                         //meter_ticks1_area.show();
 288                         //meter_ticks2_area.show();
 289                         meter_metric_area.show();
 290                         if (meter_channels == 1) {
 291                                 meter_width = 10;
 292                         }
 293                         break;
 294                 case Narrow:
 295                         if (meter_channels > 1) {
 296                                 meter_width = 4;
 297                         }
 298                         //meter_ticks1_area.hide();
 299                         //meter_ticks2_area.hide();
 300                         meter_metric_area.hide();
 301                         break;
 302         }
 303         level_meter->setup_meters(len, meter_width);
 304 }
 305
 306 void
 307 GainMeterBase::set_type (MeterType t)
 308 {
 309         level_meter->set_type(t);
 310 }
 311
 312 void
 313 GainMeter::setup_meters (int len)
 314 {
 315         switch (_width) {
 316                 case Wide:
 317                         hbox.set_homogeneous(true);
 318                         break;
 319                 case Narrow:
 320                         hbox.set_homogeneous(false);
 321                         break;
 322         }
 323         GainMeterBase::setup_meters (len);
 324 }
 325
 326 void
 327 GainMeter::set_type (MeterType t)
 328 {
 329         GainMeterBase::set_type (t);
 330 }
 331
 332 bool
 333 GainMeterBase::gain_key_press (GdkEventKey* ev)
 334 {
 335         if (key_is_legal_for_numeric_entry (ev->keyval)) {
 336                 /* drop through to normal handling */
 337                 return false;
 338         }
 339         /* illegal key for gain entry */
 340         return true;
 341 }
 342
 343 bool
 344 GainMeterBase::peak_button_release (GdkEventButton* ev)
 345 {
 346         /* reset peak label */
 347
 348         if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier|Keyboard::TertiaryModifier)) {
 349                 ResetAllPeakDisplays ();
 350         } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 351                 if (_route) {
 352                         ResetGroupPeakDisplays (_route->route_group());
 353                 }
 354         } else {
 355                 ResetRoutePeakDisplays (_route.get());
 356         }
 357
 358         return true;
 359 }
 360
 361 void
 362 GainMeterBase::reset_peak_display ()
 363 {
 364         _meter->reset_max();
 365         level_meter->clear_meters();
 366         max_peak = -INFINITY;
 367         peak_display.set_label (_("-inf"));
 368         peak_display.set_name ("MixerStripPeakDisplay");
 369 }
 370
 371 void
 372 GainMeterBase::reset_route_peak_display (Route* route)
 373 {
 374         if (_route && _route.get() == route) {
 375                 reset_peak_display ();
 376         }
 377 }
 378
 379 void
 380 GainMeterBase::reset_group_peak_display (RouteGroup* group)
 381 {
 382         if (_route && group == _route->route_group()) {
 383                 reset_peak_display ();
 384         }
 385 }
 386
 387 void
 388 GainMeterBase::popup_meter_menu (GdkEventButton *ev)
 389 {
 390         using namespace Menu_Helpers;
 391
 392         if (meter_menu == 0) {
 393                 meter_menu = new Gtk::Menu;
 394                 MenuList& items = meter_menu->items();
 395
 396                 items.push_back (MenuElem ("-inf .. +0dBFS"));
 397                 items.push_back (MenuElem ("-10dB .. +0dBFS"));
 398                 items.push_back (MenuElem ("-4 .. +0dBFS"));
 399                 items.push_back (SeparatorElem());
 400                 items.push_back (MenuElem ("-inf .. -2dBFS"));
 401                 items.push_back (MenuElem ("-10dB .. -2dBFS"));
 402                 items.push_back (MenuElem ("-4 .. -2dBFS"));
 403         }
 404
 405         meter_menu->popup (1, ev->time);
 406 }
 407
 408 bool
 409 GainMeterBase::gain_focused (GdkEventFocus* ev)
 410 {
 411         if (ev->in) {
 412                 gain_display.select_region (0, -1);
 413         } else {
 414                 gain_display.select_region (0, 0);
 415         }
 416         return false;
 417 }
 418
 419 void
 420 GainMeterBase::gain_activated ()
 421 {
 422         float f;
 423
 424         {
 425                 // Switch to user's preferred locale so that
 426                 // if they use different LC_NUMERIC conventions,
 427                 // we will honor them.
 428
 429                 PBD::LocaleGuard lg ("");
 430                 if (sscanf (gain_display.get_text().c_str(), "%f", &f) != 1) {
 431                         return;
 432                 }
 433         }
 434
 435         /* clamp to displayable values */
 436         if (_data_type == DataType::AUDIO) {
 437                 f = min (f, 6.0f);
 438                 _amp->set_gain (dB_to_coefficient(f), this);
 439         } else {
 440                 f = min (fabs (f), 2.0f);
 441                 _amp->set_gain (f, this);
 442         }
 443
 444         if (gain_display.has_focus()) {
 445                 Gtk::Widget* w = gain_display.get_toplevel();
 446                 if (w) {
 447                         Gtk::Window* win = dynamic_cast<Gtk::Window*> (w);
 448
 449                         /* sigh. gtkmm doesn't wrap get_default_widget() */
 450
 451                         if (win) {
 452                                 GtkWidget* f = gtk_window_get_default_widget (win->gobj());
 453                                 if (f) {
 454                                         gtk_widget_grab_focus (f);
 455                                         return;
 456                                 }
 457                         }
 458                 }
 459         }
 460 }
 461
 462 void
 463 GainMeterBase::show_gain ()
 464 {
 465         char buf[32];
 466
 467         float v = gain_adjustment.get_value();
 468
 469         switch (_data_type) {
 470         case DataType::AUDIO:
 471                 if (v == 0.0) {
 472                         strcpy (buf, _("-inf"));
 473                 } else {
 474                         snprintf (buf, sizeof (buf), "%.1f", accurate_coefficient_to_dB (slider_position_to_gain_with_max (v, Config->get_max_gain())));
 475                 }
 476                 break;
 477         case DataType::MIDI:
 478                 snprintf (buf, sizeof (buf), "%.1f", v);
 479                 break;
 480         }
 481
 482         gain_display.set_text (buf);
 483 }
 484
 485 void
 486 GainMeterBase::gain_adjusted ()
 487 {
 488         gain_t value;
 489
 490         /* convert from adjustment range (0..1) to gain coefficient */
 491
 492         if (_data_type == DataType::AUDIO) {
 493                 value = slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain());
 494         } else {
 495                 value = gain_adjustment.get_value();
 496         }
 497
 498         if (!ignore_toggle) {
 499                 if (_route && _route->amp() == _amp) {
 500                         _route->set_gain (value, this);
 501                 } else {
 502                         _amp->set_gain (value, this);
 503                 }
 504         }
 505
 506         show_gain ();
 507 }
 508
 509 void
 510 GainMeterBase::effective_gain_display ()
 511 {
 512         float value = 0.0;
 513
 514         switch (_data_type) {
 515         case DataType::AUDIO:
 516                 value = gain_to_slider_position_with_max (_amp->gain(), Config->get_max_gain());
 517                 break;
 518         case DataType::MIDI:
 519                 value = _amp->gain ();
 520                 break;
 521         }
 522
 523         if (gain_adjustment.get_value() != value) {
 524                 ignore_toggle = true;
 525                 gain_adjustment.set_value (value);
 526                 ignore_toggle = false;
 527         }
 528 }
 529
 530 void
 531 GainMeterBase::gain_changed ()
 532 {
 533         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&GainMeterBase::effective_gain_display, this));
 534 }
 535
 536 void
 537 GainMeterBase::set_meter_strip_name (const char * name)
 538 {
 539         char tmp[256];
 540         meter_metric_area.set_name (name);
 541         sprintf(tmp, "Mark%sLeft", name);
 542         meter_ticks1_area.set_name (tmp);
 543         sprintf(tmp, "Mark%sRight", name);
 544         meter_ticks2_area.set_name (tmp);
 545 }
 546
 547 void
 548 GainMeterBase::set_fader_name (const char * name)
 549 {
 550         gain_slider->set_name (name);
 551 }
 552
 553 void
 554 GainMeterBase::update_gain_sensitive ()
 555 {
 556         bool x = !(_amp->gain_control()->alist()->automation_state() & Play);
 557         static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (x);
 558 }
 559
 560 static MeterPoint
 561 next_meter_point (MeterPoint mp)
 562 {
 563         switch (mp) {
 564         case MeterInput:
 565                 return MeterPreFader;
 566                 break;
 567
 568         case MeterPreFader:
 569                 return MeterPostFader;
 570                 break;
 571
 572         case MeterPostFader:
 573                 return MeterOutput;
 574                 break;
 575
 576         case MeterOutput:
 577                 return MeterCustom;
 578                 break;
 579
 580         case MeterCustom:
 581                 return MeterInput;
 582                 break;
 583         }
 584
 585         /*NOTREACHED*/
 586         return MeterInput;
 587 }
 588
 589 gint
 590 GainMeterBase::meter_press(GdkEventButton* ev)
 591 {
 592         wait_for_release = false;
 593
 594         if (!_route) {
 595                 return FALSE;
 596         }
 597
 598         if (!ignore_toggle) {
 599
 600                 if (Keyboard::is_context_menu_event (ev)) {
 601
 602                         // no menu at this time.
 603
 604                 } else {
 605
 606                         if (Keyboard::is_button2_event(ev)) {
 607
 608                                 // Primary-button2 click is the midi binding click
 609                                 // button2-click is "momentary"
 610
 611                                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier))) {
 612                                         wait_for_release = true;
 613                                         old_meter_point = _route->meter_point ();
 614                                 }
 615                         }
 616
 617                         if (_route && (ev->button == 1 || Keyboard::is_button2_event (ev))) {
 618
 619                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 620
 621                                         /* Primary+Tertiary-click applies change to all routes */
 622
 623                                         _session->foreach_route (this, &GainMeterBase::set_meter_point, next_meter_point (_route->meter_point()));
 624
 625
 626                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 627
 628                                         /* Primary-click: solo mix group.
 629                                            NOTE: Primary-button2 is MIDI learn.
 630                                         */
 631
 632                                         if (ev->button == 1) {
 633                                                 set_route_group_meter_point (*_route, next_meter_point (_route->meter_point()));
 634                                         }
 635
 636                                 } else {
 637
 638                                         /* click: change just this route */
 639
 640                                         // XXX no undo yet
 641
 642                                         _route->set_meter_point (next_meter_point (_route->meter_point()));
 643                                 }
 644                         }
 645                 }
 646         }
 647
 648         return true;
 649
 650 }
 651
 652 gint
 653 GainMeterBase::meter_release(GdkEventButton*)
 654 {
 655         if (!ignore_toggle) {
 656                 if (wait_for_release) {
 657                         wait_for_release = false;
 658
 659                         if (_route) {
 660                                 set_meter_point (*_route, old_meter_point);
 661                         }
 662                 }
 663         }
 664
 665         return true;
 666 }
 667
 668 void
 669 GainMeterBase::set_meter_point (Route& route, MeterPoint mp)
 670 {
 671         route.set_meter_point (mp);
 672 }
 673
 674 void
 675 GainMeterBase::set_route_group_meter_point (Route& route, MeterPoint mp)
 676 {
 677         RouteGroup* route_group;
 678
 679         if ((route_group = route.route_group ()) != 0) {
 680                 route_group->foreach_route (boost::bind (&Route::set_meter_point, _1, mp, false));
 681         } else {
 682                 route.set_meter_point (mp);
 683         }
 684 }
 685
 686 void
 687 GainMeterBase::meter_point_clicked ()
 688 {
 689         if (_route) {
 690                 /* WHAT? */
 691         }
 692 }
 693
 694 bool
 695 GainMeterBase::gain_slider_button_press (GdkEventButton* ev)
 696 {
 697         switch (ev->type) {
 698         case GDK_BUTTON_PRESS:
 699                 _amp->gain_control()->start_touch (_amp->session().transport_frame());
 700                 break;
 701         default:
 702                 return false;
 703         }
 704
 705         return false;
 706 }
 707
 708 bool
 709 GainMeterBase::gain_slider_button_release (GdkEventButton*)
 710 {
 711         _amp->gain_control()->stop_touch (false, _amp->session().transport_frame());
 712         return false;
 713 }
 714
 715 gint
 716 GainMeterBase::gain_automation_state_button_event (GdkEventButton *ev)
 717 {
 718         if (ev->type == GDK_BUTTON_RELEASE) {
 719                 return TRUE;
 720         }
 721
 722         switch (ev->button) {
 723                 case 1:
 724                         gain_astate_menu.popup (1, ev->time);
 725                         break;
 726                 default:
 727                         break;
 728         }
 729
 730         return TRUE;
 731 }
 732
 733 gint
 734 GainMeterBase::gain_automation_style_button_event (GdkEventButton *ev)
 735 {
 736         if (ev->type == GDK_BUTTON_RELEASE) {
 737                 return TRUE;
 738         }
 739
 740         switch (ev->button) {
 741         case 1:
 742                 gain_astyle_menu.popup (1, ev->time);
 743                 break;
 744         default:
 745                 break;
 746         }
 747         return TRUE;
 748 }
 749
 750 string
 751 GainMeterBase::astate_string (AutoState state)
 752 {
 753         return _astate_string (state, false);
 754 }
 755
 756 string
 757 GainMeterBase::short_astate_string (AutoState state)
 758 {
 759         return _astate_string (state, true);
 760 }
 761
 762 string
 763 GainMeterBase::_astate_string (AutoState state, bool shrt)
 764 {
 765         string sstr;
 766
 767         switch (state) {
 768         case ARDOUR::Off:
 769                 sstr = (shrt ? "M" : _("M"));
 770                 break;
 771         case Play:
 772                 sstr = (shrt ? "P" : _("P"));
 773                 break;
 774         case Touch:
 775                 sstr = (shrt ? "T" : _("T"));
 776                 break;
 777         case Write:
 778                 sstr = (shrt ? "W" : _("W"));
 779                 break;
 780         }
 781
 782         return sstr;
 783 }
 784
 785 string
 786 GainMeterBase::astyle_string (AutoStyle style)
 787 {
 788         return _astyle_string (style, false);
 789 }
 790
 791 string
 792 GainMeterBase::short_astyle_string (AutoStyle style)
 793 {
 794         return _astyle_string (style, true);
 795 }
 796
 797 string
 798 GainMeterBase::_astyle_string (AutoStyle style, bool shrt)
 799 {
 800         if (style & Trim) {
 801                 return _("Trim");
 802         } else {
 803                 /* XXX it might different in different languages */
 804
 805                 return (shrt ? _("Abs") : _("Abs"));
 806         }
 807 }
 808
 809 void
 810 GainMeterBase::gain_automation_style_changed ()
 811 {
 812         switch (_width) {
 813         case Wide:
 814                 gain_automation_style_button.set_text (astyle_string(_amp->gain_control()->alist()->automation_style()));
 815                 break;
 816         case Narrow:
 817                 gain_automation_style_button.set_text  (short_astyle_string(_amp->gain_control()->alist()->automation_style()));
 818                 break;
 819         }
 820 }
 821
 822 void
 823 GainMeterBase::gain_automation_state_changed ()
 824 {
 825         ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed)
 826
 827         bool x;
 828
 829         switch (_width) {
 830         case Wide:
 831                 gain_automation_state_button.set_text (astate_string(_amp->gain_control()->alist()->automation_state()));
 832                 break;
 833         case Narrow:
 834                 gain_automation_state_button.set_text (short_astate_string(_amp->gain_control()->alist()->automation_state()));
 835                 break;
 836         }
 837
 838         x = (_amp->gain_control()->alist()->automation_state() != ARDOUR::Off);
 839
 840         if (gain_automation_state_button.get_active() != x) {
 841                 ignore_toggle = true;
 842                 gain_automation_state_button.set_active (x);
 843                 ignore_toggle = false;
 844         }
 845
 846         update_gain_sensitive ();
 847
 848         /* start watching automation so that things move */
 849
 850         gain_watching.disconnect();
 851
 852         if (x) {
 853                 gain_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &GainMeterBase::effective_gain_display));
 854         }
 855 }
 856
 857 void
 858 GainMeterBase::update_meters()
 859 {
 860         char buf[32];
 861         float mpeak = level_meter->update_meters();
 862
 863         if (mpeak > max_peak) {
 864                 max_peak = mpeak;
 865                 if (mpeak <= -200.0f) {
 866                         peak_display.set_label (_("-inf"));
 867                 } else {
 868                         snprintf (buf, sizeof(buf), "%.1f", mpeak);
 869                         peak_display.set_label (buf);
 870                 }
 871         }
 872         if (mpeak >= Config->get_meter_peak()) {
 873                 peak_display.set_name ("MixerStripPeakDisplayPeak");
 874         }
 875 }
 876
 877 void GainMeterBase::color_handler(bool /*dpi*/)
 878 {
 879         setup_meters();
 880 }
 881
 882 void
 883 GainMeterBase::set_width (Width w, int len)
 884 {
 885         _width = w;
 886         int meter_width = 5;
 887         if (_width == Wide && _route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
 888                 meter_width = 10;
 889         }
 890         level_meter->setup_meters(len, meter_width);
 891 }
 892
 893
 894 void
 895 GainMeterBase::on_theme_changed()
 896 {
 897 }
 898
 899 void
 900 GainMeterBase::redraw_metrics()
 901 {
 902         meter_metric_area.queue_draw ();
 903         meter_ticks1_area.queue_draw ();
 904         meter_ticks2_area.queue_draw ();
 905 }
 906
 907 GainMeter::GainMeter (Session* s, int fader_length)
 908         : GainMeterBase (s, false, fader_length, 24)
 909         , gain_display_box(true, 0)
 910         , hbox(true, 2)
 911 {
 912         if (gain_display.get_parent()) {
 913                 gain_display.get_parent()->remove (gain_display);
 914         }
 915         gain_display_box.pack_start (gain_display, true, true);
 916
 917         if (peak_display.get_parent()) {
 918                 peak_display.get_parent()->remove (gain_display);
 919         }
 920         gain_display_box.pack_start (peak_display, true, true);
 921
 922         meter_metric_area.set_name ("AudioTrackMetrics");
 923         meter_metric_area.set_size_request(24, -1);
 924
 925         gain_automation_style_button.set_name ("mixer strip button");
 926         gain_automation_state_button.set_name ("mixer strip button");
 927
 928         ARDOUR_UI::instance()->set_tip (gain_automation_state_button, _("Fader automation mode"));
 929         ARDOUR_UI::instance()->set_tip (gain_automation_style_button, _("Fader automation type"));
 930
 931         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 932         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 933
 934         gain_automation_state_button.set_size_request(15, 15);
 935         gain_automation_style_button.set_size_request(15, 15);
 936
 937         fader_vbox = manage (new Gtk::VBox());
 938         fader_vbox->set_spacing (0);
 939         fader_vbox->pack_start (*gain_slider, true, true);
 940
 941         fader_alignment.set (0.5, 0.5, 0.0, 1.0);
 942         fader_alignment.add (*fader_vbox);
 943
 944         hbox.pack_start (fader_alignment, true, true);
 945
 946         set_spacing (2);
 947
 948         pack_start (gain_display_box, Gtk::PACK_SHRINK);
 949         pack_start (hbox, Gtk::PACK_SHRINK);
 950
 951         meter_alignment.set (0.5, 0.5, 0.0, 1.0);
 952         meter_alignment.add (*level_meter);
 953
 954         meter_metric_area.signal_expose_event().connect (
 955                 sigc::mem_fun(*this, &GainMeter::meter_metrics_expose));
 956
 957         meter_ticks1_area.set_size_request(3,-1);
 958         meter_ticks2_area.set_size_request(3,-1);
 959
 960         meter_ticks1_area.signal_expose_event().connect (
 961                         sigc::mem_fun(*this, &GainMeter::meter_ticks1_expose));
 962         meter_ticks2_area.signal_expose_event().connect (
 963                         sigc::mem_fun(*this, &GainMeter::meter_ticks2_expose));
 964
 965         meter_hbox.pack_start (meter_ticks1_area, false, false);
 966         meter_hbox.pack_start (meter_alignment, false, false);
 967         meter_hbox.pack_start (meter_ticks2_area, false, false);
 968         meter_hbox.pack_start (meter_metric_area, false, false);
 969 }
 970
 971 GainMeter::~GainMeter () { }
 972
 973 void
 974 GainMeter::set_controls (boost::shared_ptr<Route> r,
 975                          boost::shared_ptr<PeakMeter> meter,
 976                          boost::shared_ptr<Amp> amp)
 977 {
 978         if (meter_hbox.get_parent()) {
 979                 hbox.remove (meter_hbox);
 980         }
 981
 982 //      if (gain_automation_state_button.get_parent()) {
 983 //              fader_vbox->remove (gain_automation_state_button);
 984 //      }
 985
 986         GainMeterBase::set_controls (r, meter, amp);
 987
 988         if (_meter) {
 989                 _meter->ConfigurationChanged.connect (
 990                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_configuration_changed, this, _1), gui_context()
 991                         );
 992                 _meter->TypeChanged.connect (
 993                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_type_changed, this, _1), gui_context()
 994                         );
 995
 996                 meter_configuration_changed (_meter->input_streams ());
 997         }
 998
 999
1000         if (_route) {
1001                 _route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
1002         }
1003
1004         /*
1005            if we have a non-hidden route (ie. we're not the click or the auditioner),
1006            pack some route-dependent stuff.
1007         */
1008
1009         hbox.pack_start (meter_hbox, true, true);
1010
1011 //      if (r && !r->is_auditioner()) {
1012 //              fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
1013 //      }
1014
1015         hbox.show_all ();
1016         setup_meters ();
1017 }
1018
1019 int
1020 GainMeter::get_gm_width ()
1021 {
1022         Gtk::Requisition sz;
1023         int min_w = 0;
1024         sz.width = 0;
1025         meter_metric_area.size_request (sz);
1026         min_w += sz.width;
1027         level_meter->size_request (sz);
1028         min_w += sz.width;
1029
1030         fader_alignment.size_request (sz);
1031         if (_width == Wide)
1032                 return max(sz.width * 2, min_w * 2) + 6;
1033         else
1034                 return sz.width + min_w + 6;
1035
1036 }
1037
1038 gint
1039 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
1040 {
1041         if (!_route) {
1042                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1043                 return meter_expose_metrics(ev, MeterPeak, _types, &meter_metric_area);
1044         }
1045         return meter_expose_metrics(ev, _route->meter_type(), _types, &meter_metric_area);
1046 }
1047
1048 gint
1049 GainMeter::meter_ticks1_expose (GdkEventExpose *ev)
1050 {
1051         if (!_route) {
1052                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1053                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks1_area);
1054         }
1055         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks1_area);
1056 }
1057
1058 gint
1059 GainMeter::meter_ticks2_expose (GdkEventExpose *ev)
1060 {
1061         if (!_route) {
1062                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1063                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks2_area);
1064         }
1065         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks2_area);
1066 }
1067
1068 boost::shared_ptr<PBD::Controllable>
1069 GainMeterBase::get_controllable()
1070 {
1071         if (_amp) {
1072                 return _amp->gain_control();
1073         } else {
1074                 return boost::shared_ptr<PBD::Controllable>();
1075         }
1076 }
1077
1078 bool
1079 GainMeterBase::level_meter_button_press (GdkEventButton* ev)
1080 {
1081         return LevelMeterButtonPress (ev); /* EMIT SIGNAL */
1082 }
1083
1084 void
1085 GainMeter::meter_configuration_changed (ChanCount c)
1086 {
1087         int type = 0;
1088         _types.clear ();
1089
1090         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1091                 if (c.get (*i) > 0) {
1092                         _types.push_back (*i);
1093                         type |= 1 << (*i);
1094                 }
1095         }
1096
1097         if (_route
1098                         && boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
1099                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
1100                         ) {
1101                 if (_route->active()) {
1102                         set_meter_strip_name ("AudioBusMetrics");
1103                 } else {
1104                         set_meter_strip_name ("AudioBusMetricsInactive");
1105                 }
1106         }
1107         else if (
1108                            (type == (1 << DataType::MIDI))
1109                         || (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
1110                         ) {
1111                 if (!_route || _route->active()) {
1112                         set_meter_strip_name ("MidiTrackMetrics");
1113                 } else {
1114                         set_meter_strip_name ("MidiTrackMetricsInactive");
1115                 }
1116         }
1117         else if (type == (1 << DataType::AUDIO)) {
1118                 if (!_route || _route->active()) {
1119                         set_meter_strip_name ("AudioTrackMetrics");
1120                 } else {
1121                         set_meter_strip_name ("AudioTrackMetricsInactive");
1122                 }
1123         } else {
1124                 if (!_route || _route->active()) {
1125                         set_meter_strip_name ("AudioMidiTrackMetrics");
1126                 } else {
1127                         set_meter_strip_name ("AudioMidiTrackMetricsInactive");
1128                 }
1129         }
1130
1131         setup_meters();
1132         meter_clear_pattern_cache(4);
1133 }
1134
1135 void
1136 GainMeter::route_active_changed ()
1137 {
1138         if (_meter) {
1139                 meter_configuration_changed (_meter->input_streams ());
1140         }
1141 }
1142
1143 void
1144 GainMeter::meter_type_changed (MeterType t)
1145 {
1146         _route->set_meter_type(t);
1147         RedrawMetrics();
1148 }