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