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/gtk_ui.h>
  34 #include "pbd/fastlog.h"
  35 #include "pbd/stacktrace.h"
  36
  37 #include "gain_meter.h"
  38 #include "logmeter.h"
  39 #include "gui_thread.h"
  40 #include "keyboard.h"
  41 #include "public_editor.h"
  42 #include "utils.h"
  43 #include "meter_patterns.h"
  44 #include "timers.h"
  45 #include "tooltips.h"
  46 #include "ui_config.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 #include "ardour/dB.h"
  54
  55 #include "i18n.h"
  56
  57 using namespace ARDOUR;
  58 using namespace ARDOUR_UI_UTILS;
  59 using namespace PBD;
  60 using namespace Gtkmm2ext;
  61 using namespace Gtk;
  62 using namespace std;
  63 using Gtkmm2ext::Keyboard;
  64 using namespace ArdourMeter;
  65
  66 static void
  67 reset_cursor_to_default (Gtk::Entry* widget)
  68 {
  69         Glib::RefPtr<Gdk::Window> win = widget->get_text_window ();
  70         if (win) {
  71                 /* C++ doesn't provide a pointer argument version of this
  72                    (i.e. you cannot set to NULL to get the default/parent
  73                    cursor)
  74                 */
  75                 gdk_window_set_cursor (win->gobj(), 0);
  76         }
  77 }
  78
  79 static void
  80 reset_cursor_to_default_state (Gtk::StateType, Gtk::Entry* widget)
  81 {
  82         reset_cursor_to_default (widget);
  83 }
  84
  85 GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int fader_girth)
  86         : gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()),  // value
  87                            0.0,  // lower
  88                            1.0,  // upper
  89                            dB_coeff_step(Config->get_max_gain()) / 10.0,  // step increment
  90                            dB_coeff_step(Config->get_max_gain()))  // page increment
  91         , gain_automation_style_button ("")
  92         , gain_automation_state_button ("")
  93         , _data_type (DataType::AUDIO)
  94 {
  95         using namespace Menu_Helpers;
  96
  97         set_session (s);
  98
  99         ignore_toggle = false;
 100         meter_menu = 0;
 101         next_release_selects = false;
 102         _width = Wide;
 103
 104         fader_length = rint (fader_length * UIConfiguration::instance().get_ui_scale());
 105         fader_girth = rint (fader_girth * UIConfiguration::instance().get_ui_scale());
 106
 107         if (horizontal) {
 108                 gain_slider = manage (new HSliderController (&gain_adjustment, boost::shared_ptr<PBD::Controllable>(), fader_length, fader_girth));
 109         } else {
 110                 gain_slider = manage (new VSliderController (&gain_adjustment, boost::shared_ptr<PBD::Controllable>(), fader_length, fader_girth));
 111         }
 112
 113         level_meter = new LevelMeterHBox(_session);
 114
 115         level_meter->ButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&GainMeterBase::level_meter_button_press, this, _1));
 116         meter_metric_area.signal_button_press_event().connect (sigc::mem_fun (*this, &GainMeterBase::level_meter_button_press));
 117         meter_metric_area.add_events (Gdk::BUTTON_PRESS_MASK);
 118
 119         gain_slider->set_tweaks (PixFader::Tweaks(PixFader::NoButtonForward | PixFader::NoVerticalScroll));
 120         gain_slider->StartGesture.connect (sigc::mem_fun (*this, &GainMeter::amp_start_touch));
 121         gain_slider->StopGesture.connect (sigc::mem_fun (*this, &GainMeter::amp_stop_touch));
 122         gain_slider->set_name ("GainFader");
 123
 124         gain_display.set_name ("MixerStripGainDisplay");
 125         set_size_request_to_display_given_text (gain_display, "-80.g", 2, 6); /* note the descender */
 126         gain_display.signal_activate().connect (sigc::mem_fun (*this, &GainMeter::gain_activated));
 127         gain_display.signal_focus_in_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
 128         gain_display.signal_focus_out_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
 129         gain_display.set_alignment(0.5);
 130
 131         peak_display.set_name ("MixerStripPeakDisplay");
 132         set_size_request_to_display_given_text (peak_display, "-80.g", 2, 6); /* note the descender */
 133         max_peak = minus_infinity();
 134         peak_display.set_text (_("-inf"));
 135         peak_display.set_alignment(0.5);
 136
 137         /* stuff related to the fact that the peak display is not, in
 138            fact, supposed to be a text entry.
 139         */
 140         peak_display.set_events (peak_display.get_events() & ~(Gdk::EventMask (Gdk::LEAVE_NOTIFY_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::POINTER_MOTION_MASK)));
 141         peak_display.signal_map().connect (sigc::bind (sigc::ptr_fun (reset_cursor_to_default), &peak_display));
 142         peak_display.signal_state_changed().connect (sigc::bind (sigc::ptr_fun (reset_cursor_to_default_state), &peak_display));
 143         peak_display.unset_flags (Gtk::CAN_FOCUS);
 144         peak_display.set_editable (false);
 145
 146         gain_automation_style_button.set_name ("mixer strip button");
 147         gain_automation_state_button.set_name ("mixer strip button");
 148
 149         set_tooltip (gain_automation_state_button, _("Fader automation mode"));
 150         set_tooltip (gain_automation_style_button, _("Fader automation type"));
 151
 152         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 153         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 154
 155         gain_automation_state_button.set_size_request(15, 15);
 156         gain_automation_style_button.set_size_request(15, 15);
 157
 158         gain_astyle_menu.items().push_back (MenuElem (_("Trim")));
 159         gain_astyle_menu.items().push_back (MenuElem (_("Abs")));
 160
 161         gain_astate_menu.set_name ("ArdourContextMenu");
 162         gain_astyle_menu.set_name ("ArdourContextMenu");
 163
 164         gain_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &GainMeterBase::fader_moved));
 165         peak_display.signal_button_release_event().connect (sigc::mem_fun(*this, &GainMeterBase::peak_button_release), false);
 166         gain_display.signal_key_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_key_press), false);
 167
 168         ResetAllPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_peak_display));
 169         ResetRoutePeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_route_peak_display));
 170         ResetGroupPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_group_peak_display));
 171         RedrawMetrics.connect (sigc::mem_fun(*this, &GainMeterBase::redraw_metrics));
 172
 173         UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &GainMeterBase::on_theme_changed));
 174         UIConfiguration::instance().ColorsChanged.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), false));
 175         UIConfiguration::instance().DPIReset.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), true));
 176 }
 177
 178 GainMeterBase::~GainMeterBase ()
 179 {
 180         delete meter_menu;
 181         delete level_meter;
 182 }
 183
 184 void
 185 GainMeterBase::set_controls (boost::shared_ptr<Route> r,
 186                              boost::shared_ptr<PeakMeter> pm,
 187                              boost::shared_ptr<Amp> amp,
 188                              boost::shared_ptr<GainControl> control)
 189 {
 190         connections.clear ();
 191         model_connections.drop_connections ();
 192
 193         /* no meter and no control? nothing to do ... */
 194
 195         if (!pm && !control) {
 196                 level_meter->set_meter (0);
 197                 gain_slider->set_controllable (boost::shared_ptr<PBD::Controllable>());
 198                 _meter.reset ();
 199                 _amp.reset ();
 200                 _route.reset ();
 201                 _control.reset ();
 202                 return;
 203         }
 204
 205         _meter = pm;
 206         _amp = amp;
 207         _route = r;
 208         _control = control;
 209
 210         level_meter->set_meter (pm.get());
 211         gain_slider->set_controllable (_control);
 212
 213         if (amp) {
 214                 amp->ConfigurationChanged.connect (
 215                         model_connections, invalidator (*this), boost::bind (&GainMeterBase::setup_gain_adjustment, this), gui_context ()
 216                         );
 217         }
 218
 219         setup_gain_adjustment ();
 220
 221         if (!_route || !_route->is_auditioner()) {
 222
 223                 using namespace Menu_Helpers;
 224
 225                 gain_astate_menu.items().clear ();
 226
 227                 gain_astate_menu.items().push_back (MenuElem (S_("Automation|Manual"),
 228                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 229                                                                           Evoral::Parameter(GainAutomation), (AutoState) ARDOUR::Off)));
 230                 gain_astate_menu.items().push_back (MenuElem (_("Play"),
 231                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 232                                                                     Evoral::Parameter(GainAutomation), (AutoState) Play)));
 233                 gain_astate_menu.items().push_back (MenuElem (_("Write"),
 234                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 235                                                                     Evoral::Parameter(GainAutomation), (AutoState) Write)));
 236                 gain_astate_menu.items().push_back (MenuElem (_("Touch"),
 237                                                               sigc::bind (sigc::mem_fun (*(amp.get()), &Automatable::set_parameter_automation_state),
 238                                                                     Evoral::Parameter(GainAutomation), (AutoState) Touch)));
 239
 240                 connections.push_back (gain_automation_style_button.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_automation_style_button_event), false));
 241                 connections.push_back (gain_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_automation_state_button_event), false));
 242
 243                 _control->alist()->automation_state_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::gain_automation_state_changed, this), gui_context());
 244                 _control->alist()->automation_style_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::gain_automation_style_changed, this), gui_context());
 245
 246                 gain_automation_state_changed ();
 247         }
 248
 249         _control->Changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeterBase::gain_changed, this), gui_context());
 250
 251         gain_changed ();
 252         show_gain ();
 253         update_gain_sensitive ();
 254 }
 255
 256 void
 257 GainMeterBase::setup_gain_adjustment ()
 258 {
 259         if (!_amp) {
 260                 return;
 261         }
 262
 263         if (_previous_amp_output_streams == _amp->output_streams ()) {
 264                 return;
 265         }
 266
 267         ignore_toggle = true;
 268
 269         if (_amp->output_streams().n_midi() <=  _amp->output_streams().n_audio()) {
 270                 _data_type = DataType::AUDIO;
 271                 gain_adjustment.set_lower (GAIN_COEFF_ZERO);
 272                 gain_adjustment.set_upper (GAIN_COEFF_UNITY);
 273                 gain_adjustment.set_step_increment (dB_coeff_step(Config->get_max_gain()) / 10.0);
 274                 gain_adjustment.set_page_increment (dB_coeff_step(Config->get_max_gain()));
 275                 gain_slider->set_default_value (gain_to_slider_position (GAIN_COEFF_UNITY));
 276         } else {
 277                 _data_type = DataType::MIDI;
 278                 gain_adjustment.set_lower (0.0);
 279                 gain_adjustment.set_upper (2.0);
 280                 gain_adjustment.set_step_increment (1.0/128.0);
 281                 gain_adjustment.set_page_increment (10.0/128.0);
 282                 gain_slider->set_default_value (1.0);
 283         }
 284
 285         ignore_toggle = false;
 286
 287         effective_gain_display ();
 288
 289         _previous_amp_output_streams = _amp->output_streams ();
 290 }
 291
 292 void
 293 GainMeterBase::hide_all_meters ()
 294 {
 295         level_meter->hide_meters();
 296 }
 297
 298 void
 299 GainMeter::hide_all_meters ()
 300 {
 301         GainMeterBase::hide_all_meters ();
 302 }
 303
 304 void
 305 GainMeterBase::setup_meters (int len)
 306 {
 307         int meter_width = 5;
 308         uint32_t meter_channels = 0;
 309         if (_meter) {
 310                 meter_channels = _meter->input_streams().n_total();
 311         } else if (_route) {
 312                 meter_channels = _route->shared_peak_meter()->input_streams().n_total();
 313         }
 314
 315         switch (_width) {
 316                 case Wide:
 317                         //meter_ticks1_area.show();
 318                         //meter_ticks2_area.show();
 319                         meter_metric_area.show();
 320                         if (meter_channels == 1) {
 321                                 meter_width = 10;
 322                         }
 323                         break;
 324                 case Narrow:
 325                         if (meter_channels > 1) {
 326                                 meter_width = 4;
 327                         }
 328                         //meter_ticks1_area.hide();
 329                         //meter_ticks2_area.hide();
 330                         meter_metric_area.hide();
 331                         break;
 332         }
 333         level_meter->setup_meters(len, meter_width);
 334 }
 335
 336 void
 337 GainMeterBase::set_type (MeterType t)
 338 {
 339         level_meter->set_type(t);
 340 }
 341
 342 void
 343 GainMeter::setup_meters (int len)
 344 {
 345         switch (_width) {
 346                 case Wide:
 347                         {
 348                                 uint32_t meter_channels = 0;
 349                                 if (_meter) {
 350                                         meter_channels = _meter->input_streams().n_total();
 351                                 } else if (_route) {
 352                                         meter_channels = _route->shared_peak_meter()->input_streams().n_total();
 353                                 }
 354                                 hbox.set_homogeneous(meter_channels < 7 ? true : false);
 355                         }
 356                         break;
 357                 case Narrow:
 358                         hbox.set_homogeneous(false);
 359                         break;
 360         }
 361         GainMeterBase::setup_meters (len);
 362 }
 363
 364 void
 365 GainMeter::set_type (MeterType t)
 366 {
 367         GainMeterBase::set_type (t);
 368 }
 369
 370 bool
 371 GainMeterBase::gain_key_press (GdkEventKey* ev)
 372 {
 373         if (key_is_legal_for_numeric_entry (ev->keyval)) {
 374                 /* drop through to normal handling */
 375                 return false;
 376         }
 377         /* illegal key for gain entry */
 378         return true;
 379 }
 380
 381 bool
 382 GainMeterBase::peak_button_release (GdkEventButton* ev)
 383 {
 384         /* reset peak label */
 385
 386         if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier|Keyboard::TertiaryModifier)) {
 387                 ResetAllPeakDisplays ();
 388         } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 389                 if (_route) {
 390                         ResetGroupPeakDisplays (_route->route_group());
 391                 }
 392         } else {
 393                 ResetRoutePeakDisplays (_route.get());
 394         }
 395
 396         return true;
 397 }
 398
 399 void
 400 GainMeterBase::reset_peak_display ()
 401 {
 402         _meter->reset_max();
 403         level_meter->clear_meters();
 404         max_peak = -INFINITY;
 405         peak_display.set_text (_("-inf"));
 406         peak_display.set_name ("MixerStripPeakDisplay");
 407 }
 408
 409 void
 410 GainMeterBase::reset_route_peak_display (Route* route)
 411 {
 412         if (_route && _route.get() == route) {
 413                 reset_peak_display ();
 414         }
 415 }
 416
 417 void
 418 GainMeterBase::reset_group_peak_display (RouteGroup* group)
 419 {
 420         if (_route && group == _route->route_group()) {
 421                 reset_peak_display ();
 422         }
 423 }
 424
 425 void
 426 GainMeterBase::popup_meter_menu (GdkEventButton *ev)
 427 {
 428         using namespace Menu_Helpers;
 429
 430         if (meter_menu == 0) {
 431                 meter_menu = new Gtk::Menu;
 432                 MenuList& items = meter_menu->items();
 433
 434                 items.push_back (MenuElem ("-inf .. +0dBFS"));
 435                 items.push_back (MenuElem ("-10dB .. +0dBFS"));
 436                 items.push_back (MenuElem ("-4 .. +0dBFS"));
 437                 items.push_back (SeparatorElem());
 438                 items.push_back (MenuElem ("-inf .. -2dBFS"));
 439                 items.push_back (MenuElem ("-10dB .. -2dBFS"));
 440                 items.push_back (MenuElem ("-4 .. -2dBFS"));
 441         }
 442
 443         meter_menu->popup (1, ev->time);
 444 }
 445
 446 bool
 447 GainMeterBase::gain_focused (GdkEventFocus* ev)
 448 {
 449         if (ev->in) {
 450                 gain_display.select_region (0, -1);
 451         } else {
 452                 gain_display.select_region (0, 0);
 453         }
 454         return false;
 455 }
 456
 457 void
 458 GainMeterBase::gain_activated ()
 459 {
 460         float f;
 461
 462         {
 463                 // Switch to user's preferred locale so that
 464                 // if they use different LC_NUMERIC conventions,
 465                 // we will honor them.
 466
 467                 PBD::LocaleGuard lg;
 468                 if (sscanf (gain_display.get_text().c_str(), "%f", &f) != 1) {
 469                         return;
 470                 }
 471         }
 472
 473         /* clamp to displayable values */
 474         if (_data_type == DataType::AUDIO) {
 475                 f = min (f, 6.0f);
 476                 _control->set_value (dB_to_coefficient(f), Controllable::NoGroup);
 477         } else {
 478                 f = min (fabs (f), 2.0f);
 479                 _control->set_value (f, Controllable::NoGroup);
 480         }
 481
 482         if (gain_display.has_focus()) {
 483                 Gtk::Widget* w = gain_display.get_toplevel();
 484                 if (w) {
 485                         Gtk::Window* win = dynamic_cast<Gtk::Window*> (w);
 486
 487                         /* sigh. gtkmm doesn't wrap get_default_widget() */
 488
 489                         if (win) {
 490                                 GtkWidget* f = gtk_window_get_default_widget (win->gobj());
 491                                 if (f) {
 492                                         gtk_widget_grab_focus (f);
 493                                         return;
 494                                 }
 495                         }
 496                 }
 497         }
 498 }
 499
 500 void
 501 GainMeterBase::show_gain ()
 502 {
 503         char buf[32];
 504
 505         float v = gain_adjustment.get_value();
 506
 507         switch (_data_type) {
 508         case DataType::AUDIO:
 509                 if (v == 0.0) {
 510                         strcpy (buf, _("-inf"));
 511                 } else {
 512                         snprintf (buf, sizeof (buf), "%.1f", accurate_coefficient_to_dB (slider_position_to_gain_with_max (v, Config->get_max_gain())));
 513                 }
 514                 break;
 515         case DataType::MIDI:
 516                 snprintf (buf, sizeof (buf), "%.1f", v);
 517                 break;
 518         }
 519
 520         gain_display.set_text (buf);
 521 }
 522
 523 void
 524 GainMeterBase::fader_moved ()
 525 {
 526         gain_t value;
 527         const gain_t master_gain = _control->get_master_gain ();
 528
 529         /* convert from adjustment range (0..1) to gain coefficient */
 530
 531         if (_data_type == DataType::AUDIO) {
 532                 value = slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain()) / master_gain;
 533         } else {
 534                 value = gain_adjustment.get_value();
 535         }
 536
 537         if (!ignore_toggle) {
 538                 if (_route && _route->amp() == _amp) {
 539                         _route->set_gain (value, Controllable::UseGroup);
 540                 } else {
 541                         _control->set_value (value, Controllable::NoGroup);
 542                 }
 543         }
 544
 545         show_gain ();
 546 }
 547
 548 void
 549 GainMeterBase::effective_gain_display ()
 550 {
 551         gain_t value = GAIN_COEFF_ZERO;
 552         const gain_t master_gain = _control->get_master_gain ();
 553
 554         switch (_data_type) {
 555         case DataType::AUDIO:
 556                 value = gain_to_slider_position_with_max (_control->get_value() * master_gain, Config->get_max_gain());
 557                 break;
 558         case DataType::MIDI:
 559                 value = _control->get_value ();
 560                 break;
 561         }
 562
 563         if (gain_adjustment.get_value() != value) {
 564                 ignore_toggle = true;
 565                 gain_adjustment.set_value (value);
 566                 ignore_toggle = false;
 567         }
 568 }
 569
 570 void
 571 GainMeterBase::gain_changed ()
 572 {
 573         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&GainMeterBase::effective_gain_display, this));
 574 }
 575
 576 void
 577 GainMeterBase::set_meter_strip_name (const char * name)
 578 {
 579         char tmp[256];
 580         meter_metric_area.set_name (name);
 581         sprintf(tmp, "Mark%sLeft", name);
 582         meter_ticks1_area.set_name (tmp);
 583         sprintf(tmp, "Mark%sRight", name);
 584         meter_ticks2_area.set_name (tmp);
 585 }
 586
 587 void
 588 GainMeterBase::set_fader_name (const char * name)
 589 {
 590         gain_slider->set_name (name);
 591 }
 592
 593 void
 594 GainMeterBase::update_gain_sensitive ()
 595 {
 596         bool x = !(_control->alist()->automation_state() & Play);
 597         static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (x);
 598 }
 599
 600 static MeterPoint
 601 next_meter_point (MeterPoint mp)
 602 {
 603         switch (mp) {
 604         case MeterInput:
 605                 return MeterPreFader;
 606                 break;
 607
 608         case MeterPreFader:
 609                 return MeterPostFader;
 610                 break;
 611
 612         case MeterPostFader:
 613                 return MeterOutput;
 614                 break;
 615
 616         case MeterOutput:
 617                 return MeterCustom;
 618                 break;
 619
 620         case MeterCustom:
 621                 return MeterInput;
 622                 break;
 623         }
 624
 625         abort(); /*NOTREACHED*/
 626         return MeterInput;
 627 }
 628
 629 gint
 630 GainMeterBase::meter_press(GdkEventButton* ev)
 631 {
 632         wait_for_release = false;
 633
 634         if (!_route) {
 635                 return FALSE;
 636         }
 637
 638         if (!ignore_toggle) {
 639
 640                 if (Keyboard::is_context_menu_event (ev)) {
 641
 642                         // no menu at this time.
 643
 644                 } else {
 645
 646                         if (Keyboard::is_button2_event(ev)) {
 647
 648                                 // Primary-button2 click is the midi binding click
 649                                 // button2-click is "momentary"
 650
 651                                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier))) {
 652                                         wait_for_release = true;
 653                                         old_meter_point = _route->meter_point ();
 654                                 }
 655                         }
 656
 657                         if (_route && (ev->button == 1 || Keyboard::is_button2_event (ev))) {
 658
 659                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 660
 661                                         /* Primary+Tertiary-click applies change to all routes */
 662
 663                                         _session->foreach_route (this, &GainMeterBase::set_meter_point, next_meter_point (_route->meter_point()));
 664
 665
 666                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 667
 668                                         /* Primary-click: solo mix group.
 669                                            NOTE: Primary-button2 is MIDI learn.
 670                                         */
 671
 672                                         if (ev->button == 1) {
 673                                                 set_route_group_meter_point (*_route, next_meter_point (_route->meter_point()));
 674                                         }
 675
 676                                 } else {
 677
 678                                         /* click: change just this route */
 679
 680                                         // XXX no undo yet
 681
 682                                         _route->set_meter_point (next_meter_point (_route->meter_point()));
 683                                 }
 684                         }
 685                 }
 686         }
 687
 688         return true;
 689
 690 }
 691
 692 gint
 693 GainMeterBase::meter_release(GdkEventButton*)
 694 {
 695         if (!ignore_toggle) {
 696                 if (wait_for_release) {
 697                         wait_for_release = false;
 698
 699                         if (_route) {
 700                                 set_meter_point (*_route, old_meter_point);
 701                         }
 702                 }
 703         }
 704
 705         return true;
 706 }
 707
 708 void
 709 GainMeterBase::set_meter_point (Route& route, MeterPoint mp)
 710 {
 711         route.set_meter_point (mp);
 712 }
 713
 714 void
 715 GainMeterBase::set_route_group_meter_point (Route& route, MeterPoint mp)
 716 {
 717         RouteGroup* route_group;
 718
 719         if ((route_group = route.route_group ()) != 0) {
 720                 route_group->foreach_route (boost::bind (&Route::set_meter_point, _1, mp, false));
 721         } else {
 722                 route.set_meter_point (mp);
 723         }
 724 }
 725
 726 void
 727 GainMeterBase::meter_point_clicked ()
 728 {
 729         if (_route) {
 730                 /* WHAT? */
 731         }
 732 }
 733
 734 void
 735 GainMeterBase::amp_start_touch ()
 736 {
 737         _control->start_touch (_control->session().transport_frame());
 738 }
 739
 740 void
 741 GainMeterBase::amp_stop_touch ()
 742 {
 743         _control->stop_touch (false, _control->session().transport_frame());
 744 }
 745
 746 gint
 747 GainMeterBase::gain_automation_state_button_event (GdkEventButton *ev)
 748 {
 749         if (ev->type == GDK_BUTTON_RELEASE) {
 750                 return TRUE;
 751         }
 752
 753         switch (ev->button) {
 754                 case 1:
 755                         gain_astate_menu.popup (1, ev->time);
 756                         break;
 757                 default:
 758                         break;
 759         }
 760
 761         return TRUE;
 762 }
 763
 764 gint
 765 GainMeterBase::gain_automation_style_button_event (GdkEventButton *ev)
 766 {
 767         if (ev->type == GDK_BUTTON_RELEASE) {
 768                 return TRUE;
 769         }
 770
 771         switch (ev->button) {
 772         case 1:
 773                 gain_astyle_menu.popup (1, ev->time);
 774                 break;
 775         default:
 776                 break;
 777         }
 778         return TRUE;
 779 }
 780
 781 string
 782 GainMeterBase::astate_string (AutoState state)
 783 {
 784         return _astate_string (state, false);
 785 }
 786
 787 string
 788 GainMeterBase::short_astate_string (AutoState state)
 789 {
 790         return _astate_string (state, true);
 791 }
 792
 793 string
 794 GainMeterBase::_astate_string (AutoState state, bool shrt)
 795 {
 796         string sstr;
 797
 798         switch (state) {
 799         case ARDOUR::Off:
 800                 sstr = (shrt ? "M" : _("M"));
 801                 break;
 802         case Play:
 803                 sstr = (shrt ? "P" : _("P"));
 804                 break;
 805         case Touch:
 806                 sstr = (shrt ? "T" : _("T"));
 807                 break;
 808         case Write:
 809                 sstr = (shrt ? "W" : _("W"));
 810                 break;
 811         }
 812
 813         return sstr;
 814 }
 815
 816 string
 817 GainMeterBase::astyle_string (AutoStyle style)
 818 {
 819         return _astyle_string (style, false);
 820 }
 821
 822 string
 823 GainMeterBase::short_astyle_string (AutoStyle style)
 824 {
 825         return _astyle_string (style, true);
 826 }
 827
 828 string
 829 GainMeterBase::_astyle_string (AutoStyle style, bool shrt)
 830 {
 831         if (style & Trim) {
 832                 return _("Trim");
 833         } else {
 834                 /* XXX it might different in different languages */
 835
 836                 return (shrt ? _("Abs") : _("Abs"));
 837         }
 838 }
 839
 840 void
 841 GainMeterBase::gain_automation_style_changed ()
 842 {
 843         switch (_width) {
 844         case Wide:
 845                 gain_automation_style_button.set_text (astyle_string(_control->alist()->automation_style()));
 846                 break;
 847         case Narrow:
 848                 gain_automation_style_button.set_text  (short_astyle_string(_control->alist()->automation_style()));
 849                 break;
 850         }
 851 }
 852
 853 void
 854 GainMeterBase::gain_automation_state_changed ()
 855 {
 856         ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed);
 857
 858         switch (_width) {
 859         case Wide:
 860                 gain_automation_state_button.set_text (astate_string(_control->alist()->automation_state()));
 861                 break;
 862         case Narrow:
 863                 gain_automation_state_button.set_text (short_astate_string(_control->alist()->automation_state()));
 864                 break;
 865         }
 866
 867         const bool automation_watch_required = (_control->alist()->automation_state() != ARDOUR::Off);
 868
 869         if (gain_automation_state_button.get_active() != automation_watch_required) {
 870                 ignore_toggle = true;
 871                 gain_automation_state_button.set_active (automation_watch_required);
 872                 ignore_toggle = false;
 873         }
 874
 875         update_gain_sensitive ();
 876
 877         gain_watching.disconnect();
 878
 879         if (automation_watch_required) {
 880                 /* start watching automation so that things move */
 881                 gain_watching = Timers::rapid_connect (sigc::mem_fun (*this, &GainMeterBase::effective_gain_display));
 882         } else {
 883                 /* update once to get the correct value shown as we re-enter off/manual mode */
 884                 effective_gain_display();
 885         }
 886 }
 887
 888 const ChanCount
 889 GainMeterBase::meter_channels() const
 890 {
 891                 if (_meter) { return _meter->input_streams(); }
 892                 else { return ChanCount(); }
 893 }
 894 void
 895 GainMeterBase::update_meters()
 896 {
 897         char buf[32];
 898         float mpeak = level_meter->update_meters();
 899
 900         if (mpeak > max_peak) {
 901                 max_peak = mpeak;
 902                 if (mpeak <= -200.0f) {
 903                         peak_display.set_text (_("-inf"));
 904                 } else {
 905                         snprintf (buf, sizeof(buf), "%.1f", mpeak);
 906                         peak_display.set_text (buf);
 907                 }
 908         }
 909         if (mpeak >= UIConfiguration::instance().get_meter_peak()) {
 910                 peak_display.set_name ("MixerStripPeakDisplayPeak");
 911         }
 912 }
 913
 914 void GainMeterBase::color_handler(bool /*dpi*/)
 915 {
 916         setup_meters();
 917 }
 918
 919 void
 920 GainMeterBase::set_width (Width w, int len)
 921 {
 922         _width = w;
 923         int meter_width = 5;
 924         if (_width == Wide && _route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
 925                 meter_width = 10;
 926         }
 927         level_meter->setup_meters(len, meter_width);
 928 }
 929
 930
 931 void
 932 GainMeterBase::on_theme_changed()
 933 {
 934 }
 935
 936 void
 937 GainMeterBase::redraw_metrics()
 938 {
 939         meter_metric_area.queue_draw ();
 940         meter_ticks1_area.queue_draw ();
 941         meter_ticks2_area.queue_draw ();
 942 }
 943
 944 #define PX_SCALE(pxmin, dflt) rint(std::max((double)pxmin, (double)dflt * UIConfiguration::instance().get_ui_scale()))
 945
 946 GainMeter::GainMeter (Session* s, int fader_length)
 947         : GainMeterBase (s, false, fader_length, 24)
 948         , gain_display_box(true, 0)
 949         , hbox(true, 2)
 950 {
 951         if (gain_display.get_parent()) {
 952                 gain_display.get_parent()->remove (gain_display);
 953         }
 954         gain_display_box.pack_start (gain_display, true, true);
 955
 956         if (peak_display.get_parent()) {
 957                 peak_display.get_parent()->remove (gain_display);
 958         }
 959         gain_display_box.pack_start (peak_display, true, true);
 960
 961         meter_metric_area.set_name ("AudioTrackMetrics");
 962         meter_metric_area.set_size_request(PX_SCALE(24, 24), -1);
 963
 964         gain_automation_style_button.set_name ("mixer strip button");
 965         gain_automation_state_button.set_name ("mixer strip button");
 966
 967         set_tooltip (gain_automation_state_button, _("Fader automation mode"));
 968         set_tooltip (gain_automation_style_button, _("Fader automation type"));
 969
 970         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 971         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 972
 973         gain_automation_state_button.set_size_request (PX_SCALE(12, 15), PX_SCALE(12, 15));
 974         gain_automation_style_button.set_size_request (PX_SCALE(12, 15), PX_SCALE(12, 15));
 975
 976         fader_vbox = manage (new Gtk::VBox());
 977         fader_vbox->set_spacing (0);
 978         fader_vbox->pack_start (*gain_slider, true, true);
 979
 980         fader_alignment.set (0.5, 0.5, 0.0, 1.0);
 981         fader_alignment.add (*fader_vbox);
 982
 983         hbox.pack_start (fader_alignment, true, true);
 984
 985         set_spacing (PX_SCALE(2, 2));
 986
 987         pack_start (gain_display_box, Gtk::PACK_SHRINK);
 988         pack_start (hbox, true, true);
 989
 990         meter_alignment.set (0.5, 0.5, 0.0, 1.0);
 991         meter_alignment.add (*level_meter);
 992
 993         meter_metric_area.signal_expose_event().connect (
 994                 sigc::mem_fun(*this, &GainMeter::meter_metrics_expose));
 995
 996         meter_ticks1_area.set_size_request (PX_SCALE(3, 3), -1);
 997         meter_ticks2_area.set_size_request (PX_SCALE(3, 3), -1);
 998
 999         meter_ticks1_area.signal_expose_event().connect (
1000                         sigc::mem_fun(*this, &GainMeter::meter_ticks1_expose));
1001         meter_ticks2_area.signal_expose_event().connect (
1002                         sigc::mem_fun(*this, &GainMeter::meter_ticks2_expose));
1003
1004         meter_hbox.pack_start (meter_ticks1_area, false, false);
1005         meter_hbox.pack_start (meter_alignment, false, false);
1006         meter_hbox.pack_start (meter_ticks2_area, false, false);
1007         meter_hbox.pack_start (meter_metric_area, false, false);
1008 }
1009 #undef PX_SCALE
1010
1011 GainMeter::~GainMeter () { }
1012
1013 void
1014 GainMeter::set_controls (boost::shared_ptr<Route> r,
1015                          boost::shared_ptr<PeakMeter> meter,
1016                          boost::shared_ptr<Amp> amp,
1017                          boost::shared_ptr<GainControl> control)
1018 {
1019         if (meter_hbox.get_parent()) {
1020                 hbox.remove (meter_hbox);
1021         }
1022
1023 //      if (gain_automation_state_button.get_parent()) {
1024 //              fader_vbox->remove (gain_automation_state_button);
1025 //      }
1026
1027         GainMeterBase::set_controls (r, meter, amp, control);
1028
1029         if (_meter) {
1030                 _meter->ConfigurationChanged.connect (
1031                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_configuration_changed, this, _1), gui_context()
1032                         );
1033                 _meter->TypeChanged.connect (
1034                         model_connections, invalidator (*this), boost::bind (&GainMeter::meter_type_changed, this, _1), gui_context()
1035                         );
1036
1037                 meter_configuration_changed (_meter->input_streams ());
1038         }
1039
1040
1041         if (_route) {
1042                 _route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
1043         }
1044
1045         /*
1046            if we have a non-hidden route (ie. we're not the click or the auditioner),
1047            pack some route-dependent stuff.
1048         */
1049
1050         hbox.pack_start (meter_hbox, true, true);
1051
1052 //      if (r && !r->is_auditioner()) {
1053 //              fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
1054 //      }
1055
1056         hbox.show_all ();
1057         setup_meters ();
1058 }
1059
1060 int
1061 GainMeter::get_gm_width ()
1062 {
1063         Gtk::Requisition sz;
1064         int min_w = 0;
1065         sz.width = 0;
1066         meter_metric_area.size_request (sz);
1067         min_w += sz.width;
1068         level_meter->size_request (sz);
1069         min_w += sz.width;
1070
1071         fader_alignment.size_request (sz);
1072         if (_width == Wide)
1073                 return max(sz.width * 2, min_w * 2) + 6;
1074         else
1075                 return sz.width + min_w + 6;
1076
1077 }
1078
1079 gint
1080 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
1081 {
1082         if (!_route) {
1083                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1084                 return meter_expose_metrics(ev, MeterPeak, _types, &meter_metric_area);
1085         }
1086         return meter_expose_metrics(ev, _route->meter_type(), _types, &meter_metric_area);
1087 }
1088
1089 gint
1090 GainMeter::meter_ticks1_expose (GdkEventExpose *ev)
1091 {
1092         if (!_route) {
1093                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1094                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks1_area);
1095         }
1096         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks1_area);
1097 }
1098
1099 gint
1100 GainMeter::meter_ticks2_expose (GdkEventExpose *ev)
1101 {
1102         if (!_route) {
1103                 if (_types.empty()) { _types.push_back(DataType::AUDIO); }
1104                 return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks2_area);
1105         }
1106         return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks2_area);
1107 }
1108
1109 void
1110 GainMeter::on_style_changed (const Glib::RefPtr<Gtk::Style>&)
1111 {
1112         gain_display.queue_draw();
1113         peak_display.queue_draw();
1114 }
1115
1116 boost::shared_ptr<PBD::Controllable>
1117 GainMeterBase::get_controllable()
1118 {
1119         if (_amp) {
1120                 return _control;
1121         } else {
1122                 return boost::shared_ptr<PBD::Controllable>();
1123         }
1124 }
1125
1126 bool
1127 GainMeterBase::level_meter_button_press (GdkEventButton* ev)
1128 {
1129         return static_cast<bool>(LevelMeterButtonPress (ev)); /* EMIT SIGNAL */
1130 }
1131
1132 void
1133 GainMeter::meter_configuration_changed (ChanCount c)
1134 {
1135         int type = 0;
1136         _types.clear ();
1137
1138         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1139                 if (c.get (*i) > 0) {
1140                         _types.push_back (*i);
1141                         type |= 1 << (*i);
1142                 }
1143         }
1144
1145         if (_route
1146                         && boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
1147                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
1148                         ) {
1149                 if (_route->active()) {
1150                         set_meter_strip_name ("AudioBusMetrics");
1151                 } else {
1152                         set_meter_strip_name ("AudioBusMetricsInactive");
1153                 }
1154         }
1155         else if (
1156                            (type == (1 << DataType::MIDI))
1157                         || (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
1158                         ) {
1159                 if (!_route || _route->active()) {
1160                         set_meter_strip_name ("MidiTrackMetrics");
1161                 } else {
1162                         set_meter_strip_name ("MidiTrackMetricsInactive");
1163                 }
1164         }
1165         else if (type == (1 << DataType::AUDIO)) {
1166                 if (!_route || _route->active()) {
1167                         set_meter_strip_name ("AudioTrackMetrics");
1168                 } else {
1169                         set_meter_strip_name ("AudioTrackMetricsInactive");
1170                 }
1171         } else {
1172                 if (!_route || _route->active()) {
1173                         set_meter_strip_name ("AudioMidiTrackMetrics");
1174                 } else {
1175                         set_meter_strip_name ("AudioMidiTrackMetricsInactive");
1176                 }
1177         }
1178
1179         setup_meters();
1180         meter_clear_pattern_cache(4);
1181         on_style_changed(Glib::RefPtr<Gtk::Style>());
1182 }
1183
1184 void
1185 GainMeter::route_active_changed ()
1186 {
1187         if (_meter) {
1188                 meter_configuration_changed (_meter->input_streams ());
1189         }
1190 }
1191
1192 void
1193 GainMeter::meter_type_changed (MeterType t)
1194 {
1195         _route->set_meter_type(t);
1196         RedrawMetrics();
1197 }