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 PBD;
  58 using namespace Gtkmm2ext;
  59 using namespace Gtk;
  60 using namespace std;
  61 using Gtkmm2ext::Keyboard;
  62 using namespace ArdourMeter;
  63
  64 GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int fader_girth)
  65         : gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0.0, 1.0, 0.01, 0.1)
  66         , gain_automation_style_button ("")
  67         , gain_automation_state_button ("")
  68         , _data_type (DataType::AUDIO)
  69
  70 {
  71         using namespace Menu_Helpers;
  72
  73         set_session (s);
  74
  75         ignore_toggle = false;
  76         meter_menu = 0;
  77         next_release_selects = false;
  78         _width = Wide;
  79
  80         if (horizontal) {
  81                 gain_slider = manage (new HSliderController (&gain_adjustment, fader_length, fader_girth, false));
  82         } else {
  83                 gain_slider = manage (new VSliderController (&gain_adjustment, fader_length, fader_girth, false));
  84         }
  85
  86         level_meter = new LevelMeterHBox(_session);
  87
  88         level_meter->ButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&GainMeterBase::level_meter_button_press, this, _1));
  89         meter_metric_area.signal_button_press_event().connect (sigc::mem_fun (*this, &GainMeterBase::level_meter_button_press));
  90         meter_metric_area.add_events (Gdk::BUTTON_PRESS_MASK);
  91
  92         gain_slider->signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeter::gain_slider_button_press), false);
  93         gain_slider->signal_button_release_event().connect (sigc::mem_fun(*this, &GainMeter::gain_slider_button_release), false);
  94         gain_slider->set_name ("GainFader");
  95
  96         gain_display.set_name ("MixerStripGainDisplay");
  97         set_size_request_to_display_given_text (gain_display, "-80.g", 2, 6); /* note the descender */
  98         gain_display.signal_activate().connect (sigc::mem_fun (*this, &GainMeter::gain_activated));
  99         gain_display.signal_focus_in_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
 100         gain_display.signal_focus_out_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
 101         gain_display.set_alignment(1.0);
 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 //      gain_slider->set_flat_buttons( ARDOUR_UI::config()->flat_buttons.get() );
 148 }
 149
 150 GainMeterBase::~GainMeterBase ()
 151 {
 152         delete meter_menu;
 153         delete level_meter;
 154 }
 155
 156 void
 157 GainMeterBase::set_controls (boost::shared_ptr<Route> r,
 158                              boost::shared_ptr<PeakMeter> pm,
 159                              boost::shared_ptr<Amp> amp)
 160 {
 161         connections.clear ();
 162         model_connections.drop_connections ();
 163
 164         if (!pm && !amp) {
 165                 level_meter->set_meter (0);
 166                 gain_slider->set_controllable (boost::shared_ptr<PBD::Controllable>());
 167                 _meter.reset ();
 168                 _amp.reset ();
 169                 _route.reset ();
 170                 return;
 171         }
 172
 173         _meter = pm;
 174         _amp = amp;
 175         _route = r;
 176
 177         level_meter->set_meter (pm.get());
 178         gain_slider->set_controllable (amp->gain_control());
 179
 180         if (amp) {
 181                 amp->ConfigurationChanged.connect (
 182                         model_connections, invalidator (*this), boost::bind (&GainMeterBase::setup_gain_adjustment, this), gui_context ()
 183                         );
 184         }
 185
 186         setup_gain_adjustment ();
 187
 188         if (!_route || !_route->is_auditioner()) {
 189
 190                 using namespace Menu_Helpers;
 191
 192                 gain_astate_menu.items().clear ();
 193
 194                 gain_astate_menu.items().push_back (MenuElem (S_("Automation|Manual"),
 195                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 196                                                                           Evoral::Parameter(GainAutomation), (AutoState) ARDOUR::Off)));
 197                 gain_astate_menu.items().push_back (MenuElem (_("Play"),
 198                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 199                                                                     Evoral::Parameter(GainAutomation), (AutoState) Play)));
 200                 gain_astate_menu.items().push_back (MenuElem (_("Write"),
 201                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 202                                                                     Evoral::Parameter(GainAutomation), (AutoState) Write)));
 203                 gain_astate_menu.items().push_back (MenuElem (_("Touch"),
 204                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 205                                                                     Evoral::Parameter(GainAutomation), (AutoState) Touch)));
 206
 207                 connections.push_back (gain_automation_style_button.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_automation_style_button_event), false));
 208                 connections.push_back (gain_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_automation_state_button_event), false));
 209
 210                 boost::shared_ptr<AutomationControl> gc = amp->gain_control();
 211
 212                 gc->alist()->automation_state_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::gain_automation_state_changed, this), gui_context());
 213                 gc->alist()->automation_style_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::gain_automation_style_changed, this), gui_context());
 214
 215                 gain_automation_state_changed ();
 216         }
 217
 218         amp->gain_control()->Changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeterBase::gain_changed, this), gui_context());
 219
 220         gain_changed ();
 221         show_gain ();
 222         update_gain_sensitive ();
 223 }
 224
 225 void
 226 GainMeterBase::setup_gain_adjustment ()
 227 {
 228         if (!_amp) {
 229                 return;
 230         }
 231
 232         if (_previous_amp_output_streams == _amp->output_streams ()) {
 233                 return;
 234         }
 235
 236         ignore_toggle = true;
 237
 238         if (_amp->output_streams().n_midi() <=  _amp->output_streams().n_audio()) {
 239                 _data_type = DataType::AUDIO;
 240                 gain_adjustment.set_lower (0.0);
 241                 gain_adjustment.set_upper (1.0);
 242                 gain_adjustment.set_step_increment (0.01);
 243                 gain_adjustment.set_page_increment (0.1);
 244                 gain_slider->set_default_value (gain_to_slider_position (1));
 245         } else {
 246                 _data_type = DataType::MIDI;
 247                 gain_adjustment.set_lower (0.0);
 248                 gain_adjustment.set_upper (2.0);
 249                 gain_adjustment.set_step_increment (1.0/128.0);
 250                 gain_adjustment.set_page_increment (10.0/128.0);
 251                 gain_slider->set_default_value (1.0);
 252         }
 253
 254         ignore_toggle = false;
 255
 256         effective_gain_display ();
 257
 258         _previous_amp_output_streams = _amp->output_streams ();
 259 }
 260
 261 void
 262 GainMeterBase::hide_all_meters ()
 263 {
 264         level_meter->hide_meters();
 265 }
 266
 267 void
 268 GainMeter::hide_all_meters ()
 269 {
 270         GainMeterBase::hide_all_meters ();
 271 }
 272
 273 void
 274 GainMeterBase::setup_meters (int len)
 275 {
 276         int meter_width = 5;
 277
 278         switch (_width) {
 279                 case Wide:
 280                         //meter_ticks1_area.show();
 281                         //meter_ticks2_area.show();
 282                         meter_metric_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                         if (_route && _route->shared_peak_meter()->input_streams().n_total() > 1) {
 289                                 meter_width = 4;
 290                         }
 291                         //meter_ticks1_area.hide();
 292                         //meter_ticks2_area.hide();
 293                         meter_metric_area.hide();
 294                         break;
 295         }
 296         level_meter->setup_meters(len, meter_width);
 297 }
 298
 299 void
 300 GainMeterBase::set_type (MeterType t)
 301 {
 302         level_meter->set_type(t);
 303 }
 304
 305 void
 306 GainMeter::setup_meters (int len)
 307 {
 308         switch (_width) {
 309                 case Wide:
 310                         hbox.set_homogeneous(true);
 311                         break;
 312                 case Narrow:
 313                         hbox.set_homogeneous(false);
 314                         break;
 315         }
 316         GainMeterBase::setup_meters (len);
 317 }
 318
 319 void
 320 GainMeter::set_type (MeterType t)
 321 {
 322         GainMeterBase::set_type (t);
 323 }
 324
 325 bool
 326 GainMeterBase::gain_key_press (GdkEventKey* ev)
 327 {
 328         if (key_is_legal_for_numeric_entry (ev->keyval)) {
 329                 /* drop through to normal handling */
 330                 return false;
 331         }
 332         /* illegal key for gain entry */
 333         return true;
 334 }
 335
 336 bool
 337 GainMeterBase::peak_button_release (GdkEventButton* ev)
 338 {
 339         /* reset peak label */
 340
 341         if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier|Keyboard::TertiaryModifier)) {
 342                 ResetAllPeakDisplays ();
 343         } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 344                 if (_route) {
 345                         ResetGroupPeakDisplays (_route->route_group());
 346                 }
 347         } else {
 348                 ResetRoutePeakDisplays (_route.get());
 349         }
 350
 351         return true;
 352 }
 353
 354 void
 355 GainMeterBase::reset_peak_display ()
 356 {
 357         _meter->reset_max();
 358         level_meter->clear_meters();
 359         max_peak = -INFINITY;
 360         peak_display.set_label (_("-inf"));
 361         peak_display.set_name ("MixerStripPeakDisplay");
 362 }
 363
 364 void
 365 GainMeterBase::reset_route_peak_display (Route* route)
 366 {
 367         if (_route && _route.get() == route) {
 368                 reset_peak_display ();
 369         }
 370 }
 371
 372 void
 373 GainMeterBase::reset_group_peak_display (RouteGroup* group)
 374 {
 375         if (_route && group == _route->route_group()) {
 376                 reset_peak_display ();
 377         }
 378 }
 379
 380 void
 381 GainMeterBase::popup_meter_menu (GdkEventButton *ev)
 382 {
 383         using namespace Menu_Helpers;
 384
 385         if (meter_menu == 0) {
 386                 meter_menu = new Gtk::Menu;
 387                 MenuList& items = meter_menu->items();
 388
 389                 items.push_back (MenuElem ("-inf .. +0dBFS"));
 390                 items.push_back (MenuElem ("-10dB .. +0dBFS"));
 391                 items.push_back (MenuElem ("-4 .. +0dBFS"));
 392                 items.push_back (SeparatorElem());
 393                 items.push_back (MenuElem ("-inf .. -2dBFS"));
 394                 items.push_back (MenuElem ("-10dB .. -2dBFS"));
 395                 items.push_back (MenuElem ("-4 .. -2dBFS"));
 396         }
 397
 398         meter_menu->popup (1, ev->time);
 399 }
 400
 401 bool
 402 GainMeterBase::gain_focused (GdkEventFocus* ev)
 403 {
 404         if (ev->in) {
 405                 gain_display.select_region (0, -1);
 406         } else {
 407                 gain_display.select_region (0, 0);
 408         }
 409         return false;
 410 }
 411
 412 void
 413 GainMeterBase::gain_activated ()
 414 {
 415         float f;
 416
 417         {
 418                 // Switch to user's preferred locale so that
 419                 // if they use different LC_NUMERIC conventions,
 420                 // we will honor them.
 421
 422                 PBD::LocaleGuard lg ("");
 423                 if (sscanf (gain_display.get_text().c_str(), "%f", &f) != 1) {
 424                         return;
 425                 }
 426         }
 427
 428         /* clamp to displayable values */
 429         if (_data_type == DataType::AUDIO) {
 430                 f = min (f, 6.0f);
 431                 _amp->set_gain (dB_to_coefficient(f), this);
 432         } else {
 433                 f = min (fabs (f), 2.0f);
 434                 _amp->set_gain (f, this);
 435         }
 436
 437         if (gain_display.has_focus()) {
 438                 Gtk::Widget* w = gain_display.get_toplevel();
 439                 if (w) {
 440                         Gtk::Window* win = dynamic_cast<Gtk::Window*> (w);
 441
 442                         /* sigh. gtkmm doesn't wrap get_default_widget() */
 443
 444                         if (win) {
 445                                 GtkWidget* f = gtk_window_get_default_widget (win->gobj());
 446                                 if (f) {
 447                                         gtk_widget_grab_focus (f);
 448                                         return;
 449                                 }
 450                         }
 451                 }
 452         }
 453 }
 454
 455 void
 456 GainMeterBase::show_gain ()
 457 {
 458         char buf[32];
 459
 460         float v = gain_adjustment.get_value();
 461
 462         switch (_data_type) {
 463         case DataType::AUDIO:
 464                 if (v == 0.0) {
 465                         strcpy (buf, _("-inf"));
 466                 } else {
 467                         snprintf (buf, sizeof (buf), "%.1f", accurate_coefficient_to_dB (slider_position_to_gain_with_max (v, Config->get_max_gain())));
 468                 }
 469                 break;
 470         case DataType::MIDI:
 471                 snprintf (buf, sizeof (buf), "%.1f", v);
 472                 break;
 473         }
 474
 475         gain_display.set_text (buf);
 476 }
 477
 478 void
 479 GainMeterBase::gain_adjusted ()
 480 {
 481         gain_t value;
 482
 483         /* convert from adjustment range (0..1) to gain coefficient */
 484
 485         if (_data_type == DataType::AUDIO) {
 486                 value = slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain());
 487         } else {
 488                 value = gain_adjustment.get_value();
 489         }
 490
 491         if (!ignore_toggle) {
 492                 if (_route && _route->amp() == _amp) {
 493                         _route->set_gain (value, this);
 494                 } else {
 495                         _amp->set_gain (value, this);
 496                 }
 497         }
 498
 499         show_gain ();
 500 }
 501
 502 void
 503 GainMeterBase::effective_gain_display ()
 504 {
 505         float value = 0.0;
 506
 507         switch (_data_type) {
 508         case DataType::AUDIO:
 509                 value = gain_to_slider_position_with_max (_amp->gain(), Config->get_max_gain());
 510                 break;
 511         case DataType::MIDI:
 512                 value = _amp->gain ();
 513                 break;
 514         }
 515
 516         if (gain_adjustment.get_value() != value) {
 517                 ignore_toggle = true;
 518                 gain_adjustment.set_value (value);
 519                 ignore_toggle = false;
 520         }
 521 }
 522
 523 void
 524 GainMeterBase::gain_changed ()
 525 {
 526         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&GainMeterBase::effective_gain_display, this));
 527 }
 528
 529 void
 530 GainMeterBase::set_meter_strip_name (const char * name)
 531 {
 532         char tmp[256];
 533         meter_metric_area.set_name (name);
 534         sprintf(tmp, "Mark%sLeft", name);
 535         meter_ticks1_area.set_name (tmp);
 536         sprintf(tmp, "Mark%sRight", name);
 537         meter_ticks2_area.set_name (tmp);
 538 }
 539
 540 void
 541 GainMeterBase::set_fader_name (const char * name)
 542 {
 543         gain_slider->set_name (name);
 544 }
 545
 546 void
 547 GainMeterBase::update_gain_sensitive ()
 548 {
 549         bool x = !(_amp->gain_control()->alist()->automation_state() & Play);
 550         static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (x);
 551 }
 552
 553 static MeterPoint
 554 next_meter_point (MeterPoint mp)
 555 {
 556         switch (mp) {
 557         case MeterInput:
 558                 return MeterPreFader;
 559                 break;
 560
 561         case MeterPreFader:
 562                 return MeterPostFader;
 563                 break;
 564
 565         case MeterPostFader:
 566                 return MeterOutput;
 567                 break;
 568
 569         case MeterOutput:
 570                 return MeterCustom;
 571                 break;
 572
 573         case MeterCustom:
 574                 return MeterInput;
 575                 break;
 576         }
 577
 578         /*NOTREACHED*/
 579         return MeterInput;
 580 }
 581
 582 gint
 583 GainMeterBase::meter_press(GdkEventButton* ev)
 584 {
 585         wait_for_release = false;
 586
 587         if (!_route) {
 588                 return FALSE;
 589         }
 590
 591         if (!ignore_toggle) {
 592
 593                 if (Keyboard::is_context_menu_event (ev)) {
 594
 595                         // no menu at this time.
 596
 597                 } else {
 598
 599                         if (Keyboard::is_button2_event(ev)) {
 600
 601                                 // Primary-button2 click is the midi binding click
 602                                 // button2-click is "momentary"
 603
 604                                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier))) {
 605                                         wait_for_release = true;
 606                                         old_meter_point = _route->meter_point ();
 607                                 }
 608                         }
 609
 610                         if (_route && (ev->button == 1 || Keyboard::is_button2_event (ev))) {
 611
 612                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 613
 614                                         /* Primary+Tertiary-click applies change to all routes */
 615
 616                                         _session->foreach_route (this, &GainMeterBase::set_meter_point, next_meter_point (_route->meter_point()));
 617
 618
 619                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 620
 621                                         /* Primary-click: solo mix group.
 622                                            NOTE: Primary-button2 is MIDI learn.
 623                                         */
 624
 625                                         if (ev->button == 1) {
 626                                                 set_route_group_meter_point (*_route, next_meter_point (_route->meter_point()));
 627                                         }
 628
 629                                 } else {
 630
 631                                         /* click: change just this route */
 632
 633                                         // XXX no undo yet
 634
 635                                         _route->set_meter_point (next_meter_point (_route->meter_point()));
 636                                 }
 637                         }
 638                 }
 639         }
 640
 641         return true;
 642
 643 }
 644
 645 gint
 646 GainMeterBase::meter_release(GdkEventButton*)
 647 {
 648         if (!ignore_toggle) {
 649                 if (wait_for_release) {
 650                         wait_for_release = false;
 651
 652                         if (_route) {
 653                                 set_meter_point (*_route, old_meter_point);
 654                         }
 655                 }
 656         }
 657
 658         return true;
 659 }
 660
 661 void
 662 GainMeterBase::set_meter_point (Route& route, MeterPoint mp)
 663 {
 664         route.set_meter_point (mp);
 665 }
 666
 667 void
 668 GainMeterBase::set_route_group_meter_point (Route& route, MeterPoint mp)
 669 {
 670         RouteGroup* route_group;
 671
 672         if ((route_group = route.route_group ()) != 0) {
 673                 route_group->foreach_route (boost::bind (&Route::set_meter_point, _1, mp, false));
 674         } else {
 675                 route.set_meter_point (mp);
 676         }
 677 }
 678
 679 void
 680 GainMeterBase::meter_point_clicked ()
 681 {
 682         if (_route) {
 683                 /* WHAT? */
 684         }
 685 }
 686
 687 bool
 688 GainMeterBase::gain_slider_button_press (GdkEventButton* ev)
 689 {
 690         switch (ev->type) {
 691         case GDK_BUTTON_PRESS:
 692                 _amp->gain_control()->start_touch (_amp->session().transport_frame());
 693                 break;
 694         default:
 695                 return false;
 696         }
 697
 698         return false;
 699 }
 700
 701 bool
 702 GainMeterBase::gain_slider_button_release (GdkEventButton*)
 703 {
 704         _amp->gain_control()->stop_touch (false, _amp->session().transport_frame());
 705         return false;
 706 }
 707
 708 gint
 709 GainMeterBase::gain_automation_state_button_event (GdkEventButton *ev)
 710 {
 711         if (ev->type == GDK_BUTTON_RELEASE) {
 712                 return TRUE;
 713         }
 714
 715         switch (ev->button) {
 716                 case 1:
 717                         gain_astate_menu.popup (1, ev->time);
 718                         break;
 719                 default:
 720                         break;
 721         }
 722
 723         return TRUE;
 724 }
 725
 726 gint
 727 GainMeterBase::gain_automation_style_button_event (GdkEventButton *ev)
 728 {
 729         if (ev->type == GDK_BUTTON_RELEASE) {
 730                 return TRUE;
 731         }
 732
 733         switch (ev->button) {
 734         case 1:
 735                 gain_astyle_menu.popup (1, ev->time);
 736                 break;
 737         default:
 738                 break;
 739         }
 740         return TRUE;
 741 }
 742
 743 string
 744 GainMeterBase::astate_string (AutoState state)
 745 {
 746         return _astate_string (state, false);
 747 }
 748
 749 string
 750 GainMeterBase::short_astate_string (AutoState state)
 751 {
 752         return _astate_string (state, true);
 753 }
 754
 755 string
 756 GainMeterBase::_astate_string (AutoState state, bool shrt)
 757 {
 758         string sstr;
 759
 760         switch (state) {
 761         case ARDOUR::Off:
 762                 sstr = (shrt ? "M" : _("M"));
 763                 break;
 764         case Play:
 765                 sstr = (shrt ? "P" : _("P"));
 766                 break;
 767         case Touch:
 768                 sstr = (shrt ? "T" : _("T"));
 769                 break;
 770         case Write:
 771                 sstr = (shrt ? "W" : _("W"));
 772                 break;
 773         }
 774
 775         return sstr;
 776 }
 777
 778 string
 779 GainMeterBase::astyle_string (AutoStyle style)
 780 {
 781         return _astyle_string (style, false);
 782 }
 783
 784 string
 785 GainMeterBase::short_astyle_string (AutoStyle style)
 786 {
 787         return _astyle_string (style, true);
 788 }
 789
 790 string
 791 GainMeterBase::_astyle_string (AutoStyle style, bool shrt)
 792 {
 793         if (style & Trim) {
 794                 return _("Trim");
 795         } else {
 796                 /* XXX it might different in different languages */
 797
 798                 return (shrt ? _("Abs") : _("Abs"));
 799         }
 800 }
 801
 802 void
 803 GainMeterBase::gain_automation_style_changed ()
 804 {
 805         switch (_width) {
 806         case Wide:
 807                 gain_automation_style_button.set_text (astyle_string(_amp->gain_control()->alist()->automation_style()));
 808                 break;
 809         case Narrow:
 810                 gain_automation_style_button.set_text  (short_astyle_string(_amp->gain_control()->alist()->automation_style()));
 811                 break;
 812         }
 813 }
 814
 815 void
 816 GainMeterBase::gain_automation_state_changed ()
 817 {
 818         ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed)
 819
 820         bool x;
 821
 822         switch (_width) {
 823         case Wide:
 824                 gain_automation_state_button.set_text (astate_string(_amp->gain_control()->alist()->automation_state()));
 825                 break;
 826         case Narrow:
 827                 gain_automation_state_button.set_text (short_astate_string(_amp->gain_control()->alist()->automation_state()));
 828                 break;
 829         }
 830
 831         x = (_amp->gain_control()->alist()->automation_state() != ARDOUR::Off);
 832
 833         if (gain_automation_state_button.get_active() != x) {
 834                 ignore_toggle = true;
 835                 gain_automation_state_button.set_active (x);
 836                 ignore_toggle = false;
 837         }
 838
 839         update_gain_sensitive ();
 840
 841         /* start watching automation so that things move */
 842
 843         gain_watching.disconnect();
 844
 845         if (x) {
 846                 gain_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &GainMeterBase::effective_gain_display));
 847         }
 848 }
 849
 850 void
 851 GainMeterBase::update_meters()
 852 {
 853         char buf[32];
 854         float mpeak = level_meter->update_meters();
 855
 856         if (mpeak > max_peak) {
 857                 max_peak = mpeak;
 858                 if (mpeak <= -200.0f) {
 859                         peak_display.set_label (_("-inf"));
 860                 } else {
 861                         snprintf (buf, sizeof(buf), "%.1f", mpeak);
 862                         peak_display.set_label (buf);
 863                 }
 864         }
 865         if (mpeak >= Config->get_meter_peak()) {
 866                 peak_display.set_name ("MixerStripPeakDisplayPeak");
 867         }
 868 }
 869
 870 void GainMeterBase::color_handler(bool /*dpi*/)
 871 {
 872         setup_meters();
 873 }
 874
 875 void
 876 GainMeterBase::set_width (Width w, int len)
 877 {
 878         _width = w;
 879         int meter_width = 5;
 880         if (_width == Wide && _route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
 881                 meter_width = 10;
 882         }
 883         level_meter->setup_meters(len, meter_width);
 884 }
 885
 886
 887 void
 888 GainMeterBase::on_theme_changed()
 889 {
 890 }
 891
 892 void
 893 GainMeterBase::redraw_metrics()
 894 {
 895         meter_metric_area.queue_draw ();
 896         meter_ticks1_area.queue_draw ();
 897         meter_ticks2_area.queue_draw ();
 898 }
 899
 900 GainMeter::GainMeter (Session* s, int fader_length)
 901         : GainMeterBase (s, false, fader_length, 24)
 902         , gain_display_box(true, 0)
 903         , hbox(true, 2)
 904 {
 905         if (gain_display.get_parent()) {
 906                 gain_display.get_parent()->remove (gain_display);
 907         }
 908         gain_display_box.pack_start (gain_display, true, true);
 909
 910         if (peak_display.get_parent()) {
 911                 peak_display.get_parent()->remove (gain_display);
 912         }
 913         gain_display_box.pack_start (peak_display, true, true);
 914
 915         meter_metric_area.set_name ("AudioTrackMetrics");
 916         meter_metric_area.set_size_request(24, -1);
 917
 918         gain_automation_style_button.set_name ("mixer strip button");
 919         gain_automation_state_button.set_name ("mixer strip button");
 920
 921         ARDOUR_UI::instance()->set_tip (gain_automation_state_button, _("Fader automation mode"));
 922         ARDOUR_UI::instance()->set_tip (gain_automation_style_button, _("Fader automation type"));
 923
 924         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 925         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 926
 927         gain_automation_state_button.set_size_request(15, 15);
 928         gain_automation_style_button.set_size_request(15, 15);
 929
 930         fader_vbox = manage (new Gtk::VBox());
 931         fader_vbox->set_spacing (0);
 932         fader_vbox->pack_start (*gain_slider, true, true);
 933
 934         fader_alignment.set (0.5, 0.5, 0.0, 1.0);
 935         fader_alignment.add (*fader_vbox);
 936
 937         hbox.pack_start (fader_alignment, true, true);
 938
 939         set_spacing (2);
 940
 941         pack_start (gain_display_box, Gtk::PACK_SHRINK);
 942         pack_start (hbox, Gtk::PACK_SHRINK);
 943
 944         meter_alignment.set (0.5, 0.5, 0.0, 1.0);
 945         meter_alignment.add (*level_meter);
 946
 947         meter_metric_area.signal_expose_event().connect (
 948                 sigc::mem_fun(*this, &GainMeter::meter_metrics_expose));
 949
 950         meter_ticks1_area.set_size_request(3,-1);
 951         meter_ticks2_area.set_size_request(3,-1);
 952
 953         meter_ticks1_area.signal_expose_event().connect (
 954                         sigc::mem_fun(*this, &GainMeter::meter_ticks1_expose));
 955         meter_ticks2_area.signal_expose_event().connect (
 956                         sigc::mem_fun(*this, &GainMeter::meter_ticks2_expose));
 957
 958         meter_hbox.pack_start (meter_ticks1_area, false, false);
 959         meter_hbox.pack_start (meter_alignment, false, false);
 960         meter_hbox.pack_start (meter_ticks2_area, false, false);
 961         meter_hbox.pack_start (meter_metric_area, false, false);
 962 }
 963
 964 GainMeter::~GainMeter () { }
 965
 966 void
 967 GainMeter::set_controls (boost::shared_ptr<Route> r,
 968                          boost::shared_ptr<PeakMeter> meter,
 969                          boost::shared_ptr<Amp> amp)
 970 {
 971         if (meter_hbox.get_parent()) {
 972                 hbox.remove (meter_hbox);
 973         }
 974
 975 //      if (gain_automation_state_button.get_parent()) {
 976 //              fader_vbox->remove (gain_automation_state_button);
 977 //      }
 978
 979         GainMeterBase::set_controls (r, meter, amp);
 980
 981         if (_meter) {
 982                 _meter->ConfigurationChanged.connect (
 983                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_configuration_changed, this, _1), gui_context()
 984                         );
 985                 _meter->TypeChanged.connect (
 986                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_type_changed, this, _1), gui_context()
 987                         );
 988
 989                 meter_configuration_changed (_meter->input_streams ());
 990         }
 991
 992
 993         if (_route) {
 994                 _route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
 995         }
 996
 997         /*
 998            if we have a non-hidden route (ie. we're not the click or the auditioner),
 999            pack some route-dependent stuff.
1000         */
1001
1002         hbox.pack_start (meter_hbox, true, true);
1003
1004 //      if (r && !r->is_auditioner()) {
1005 //              fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
1006 //      }
1007
1008         hbox.show_all ();
1009         setup_meters ();
1010 }
1011
1012 int
1013 GainMeter::get_gm_width ()
1014 {
1015         Gtk::Requisition sz;
1016         int min_w = 0;
1017         meter_metric_area.size_request (sz);
1018         min_w += sz.width;
1019         level_meter->size_request (sz);
1020         min_w += sz.width;
1021
1022         fader_alignment.size_request (sz);
1023         if (_width == Wide)
1024                 return max(sz.width * 2, min_w * 2) + 6;
1025         else
1026                 return sz.width + min_w + 6;
1027
1028 }
1029
1030 gint
1031 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
1032 {
1033         if (!_route) {
1034                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1035                 return meter_expose_metrics(ev, MeterPeak, _types, &meter_metric_area);
1036         }
1037         return meter_expose_metrics(ev, _route->meter_type(), _types, &meter_metric_area);
1038 }
1039
1040 gint
1041 GainMeter::meter_ticks1_expose (GdkEventExpose *ev)
1042 {
1043         if (!_route) {
1044                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1045                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks1_area);
1046         }
1047         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks1_area);
1048 }
1049
1050 gint
1051 GainMeter::meter_ticks2_expose (GdkEventExpose *ev)
1052 {
1053         if (!_route) {
1054                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1055                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks2_area);
1056         }
1057         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks2_area);
1058 }
1059
1060 boost::shared_ptr<PBD::Controllable>
1061 GainMeterBase::get_controllable()
1062 {
1063         if (_amp) {
1064                 return _amp->gain_control();
1065         } else {
1066                 return boost::shared_ptr<PBD::Controllable>();
1067         }
1068 }
1069
1070 bool
1071 GainMeterBase::level_meter_button_press (GdkEventButton* ev)
1072 {
1073         return LevelMeterButtonPress (ev); /* EMIT SIGNAL */
1074 }
1075
1076 void
1077 GainMeter::meter_configuration_changed (ChanCount c)
1078 {
1079         int type = 0;
1080         _types.clear ();
1081
1082         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1083                 if (c.get (*i) > 0) {
1084                         _types.push_back (*i);
1085                         type |= 1 << (*i);
1086                 }
1087         }
1088
1089         if (_route
1090                         && boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
1091                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
1092                         ) {
1093                 if (_route->active()) {
1094                         set_meter_strip_name ("AudioBusMetrics");
1095                 } else {
1096                         set_meter_strip_name ("AudioBusMetricsInactive");
1097                 }
1098         }
1099         else if (
1100                            (type == (1 << DataType::MIDI))
1101                         || (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
1102                         ) {
1103                 if (!_route || _route->active()) {
1104                         set_meter_strip_name ("MidiTrackMetrics");
1105                 } else {
1106                         set_meter_strip_name ("MidiTrackMetricsInactive");
1107                 }
1108         }
1109         else if (type == (1 << DataType::AUDIO)) {
1110                 if (!_route || _route->active()) {
1111                         set_meter_strip_name ("AudioTrackMetrics");
1112                 } else {
1113                         set_meter_strip_name ("AudioTrackMetricsInactive");
1114                 }
1115         } else {
1116                 if (!_route || _route->active()) {
1117                         set_meter_strip_name ("AudioMidiTrackMetrics");
1118                 } else {
1119                         set_meter_strip_name ("AudioMidiTrackMetricsInactive");
1120                 }
1121         }
1122
1123         setup_meters();
1124         meter_clear_pattern_cache(4);
1125 }
1126
1127 void
1128 GainMeter::route_active_changed ()
1129 {
1130         if (_meter) {
1131                 meter_configuration_changed (_meter->input_streams ());
1132         }
1133 }
1134
1135 void
1136 GainMeter::meter_type_changed (MeterType t)
1137 {
1138         _route->set_meter_type(t);
1139         RedrawMetrics();
1140 }