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   $Id$
  19 */
  20
  21 #include <limits.h>
  22
  23 #include <ardour/io.h>
  24 #include <ardour/route.h>
  25 #include <ardour/route_group.h>
  26 #include <ardour/session.h>
  27 #include <ardour/session_route.h>
  28 #include <ardour/dB.h>
  29
  30 #include <gtkmm2ext/utils.h>
  31 #include <gtkmm2ext/fastmeter.h>
  32 #include <gtkmm2ext/stop_signal.h>
  33 #include <gtkmm2ext/barcontroller.h>
  34 #include <midi++/manager.h>
  35 #include <pbd/fastlog.h>
  36
  37 #include "ardour_ui.h"
  38 #include "gain_meter.h"
  39 #include "utils.h"
  40 #include "logmeter.h"
  41 #include "gui_thread.h"
  42 #include "keyboard.h"
  43
  44 #include <ardour/session.h>
  45 #include <ardour/route.h>
  46
  47 #include "i18n.h"
  48
  49 using namespace ARDOUR;
  50 using namespace Gtkmm2ext;
  51 using namespace Gtk;
  52 using namespace sigc;
  53 using namespace std;
  54
  55 sigc::signal<void> GainMeter::ResetAllPeakDisplays;
  56 sigc::signal<void,RouteGroup*> GainMeter::ResetGroupPeakDisplays;
  57 Glib::RefPtr<Gdk::Pixbuf> GainMeter::slider;
  58 Glib::RefPtr<Gdk::Pixbuf> GainMeter::rail;
  59 map<string,Glib::RefPtr<Gdk::Pixmap> > GainMeter::metric_pixmaps;
  60
  61 int
  62 GainMeter::setup_slider_pix ()
  63 {
  64         string path = ARDOUR::find_data_file("vslider02_slider.xpm", "pixmaps");
  65         if (path.empty()) {
  66                 error << _("cannot find images for fader slider") << endmsg;
  67                 return -1;
  68         }
  69         slider = Gdk::Pixbuf::create_from_file (path);
  70
  71         path = ARDOUR::find_data_file("vslider02_rail.xpm", "pixmaps");
  72         if (path.empty()) {
  73                 error << _("cannot find images for fader rail") << endmsg;
  74                 return -1;
  75         }
  76         rail = Gdk::Pixbuf::create_from_file (path);
  77
  78         return 0;
  79 }
  80
  81 GainMeter::GainMeter (IO& io, Session& s)
  82         : _io (io),
  83           _session (s),
  84           gain_slider (0),
  85           // 0.781787 is the value needed for gain to be set to 0.
  86           gain_adjustment (0.781787, 0.0, 1.0, 0.01, 0.1),
  87           gain_display (&gain_adjustment, "MixerStripGainDisplay"),
  88           gain_unit_label (_("dbFS")),
  89           meter_point_label (_("pre")),
  90           top_table (1, 2),
  91           gain_automation_style_button (""),
  92           gain_automation_state_button ("")
  93
  94 {
  95         if (slider == 0) {
  96                 setup_slider_pix ();
  97         }
  98
  99         ignore_toggle = false;
 100         meter_menu = 0;
 101
 102         gain_slider = manage (new VSliderController (slider, rail,
 103                                                      &gain_adjustment,
 104                                                      & _io.midi_gain_control(),
 105                                                      false));
 106
 107         gain_slider->signal_button_press_event().connect (mem_fun(*this, &GainMeter::start_gain_touch));
 108         gain_slider->signal_button_release_event().connect (mem_fun(*this, &GainMeter::end_gain_touch));
 109         gain_slider->set_name ("MixerGainMeter");
 110
 111         if (_session.midi_port()) {
 112                 _io.set_midi_to_gain_function (slider_position_to_gain);
 113                 _io.set_gain_to_midi_function (gain_to_slider_position);
 114         }
 115
 116         gain_display.set_print_func (_gain_printer, this);
 117
 118         gain_unit_button.add (gain_unit_label);
 119         gain_unit_button.set_name ("MixerStripGainUnitButton");
 120         gain_unit_label.set_name ("MixerStripGainUnitButton");
 121
 122         meter_point_button.signal_button_press_event().connect (mem_fun (*this, &GainMeter::meter_press), false);
 123         meter_point_button.signal_button_release_event().connect (mem_fun (*this, &GainMeter::meter_release), false);
 124
 125
 126         top_table.set_col_spacings (2);
 127         top_table.set_homogeneous (true);
 128         top_table.attach (gain_unit_button, 0, 1, 0, 1);
 129
 130         Route* r;
 131
 132         if ((r = dynamic_cast<Route*> (&_io)) != 0) {
 133
 134                 r->meter_change.connect (mem_fun(*this, &GainMeter::meter_changed));
 135                 meter_point_button.add (meter_point_label);
 136                 meter_point_button.set_name ("MixerStripMeterPreButton");
 137                 meter_point_label.set_name ("MixerStripMeterPreButton");
 138
 139                 switch (r->meter_point()) {
 140                 case MeterInput:
 141                         meter_point_label.set_text (_("input"));
 142                         break;
 143
 144                 case MeterPreFader:
 145                         meter_point_label.set_text (_("pre"));
 146                         break;
 147
 148                 case MeterPostFader:
 149                         meter_point_label.set_text (_("post"));
 150                         break;
 151                 }
 152
 153                 /* TRANSLATORS: this string should be longest of the strings
 154                    used to describe meter points. In english, its "input".
 155                 */
 156
 157                 set_size_request_to_display_given_text (meter_point_button, _("tupni"), 5, 5);
 158
 159
 160                 top_table.attach (meter_point_button, 1, 2, 0, 1);
 161         }
 162         gain_display_box.set_spacing (2);
 163         set_size_request_to_display_given_text (gain_display_frame, "-86.g", 2, 6); /* note the descender */
 164         gain_display_frame.set_shadow_type (Gtk::SHADOW_IN);
 165         gain_display_frame.set_name ("BaseFrame");
 166         gain_display_frame.add (gain_display);
 167         gain_display_box.pack_start (gain_display_frame,  Gtk::PACK_SHRINK);
 168
 169         peak_display.set_name ("MixerStripPeakDisplay");
 170         peak_display.add (peak_display_label);
 171         set_size_request_to_display_given_text (peak_display_frame, "-86.g", 2, 6); /* note the descender */
 172         peak_display_frame.set_shadow_type (Gtk::SHADOW_IN);
 173         peak_display_frame.set_name ("BaseFrame");
 174         peak_display_frame.add (peak_display);
 175         max_peak = minus_infinity();
 176         peak_display_label.set_text (_("-inf"));
 177
 178         gain_display_box.pack_end (peak_display_frame,  Gtk::PACK_SHRINK);
 179
 180         meter_metric_area.set_size_request (25, -1);
 181         meter_metric_area.set_name ("MeterMetricsStrip");
 182
 183         meter_packer.set_spacing (2);
 184
 185         gain_automation_style_button.set_name ("MixerAutomationModeButton");
 186         gain_automation_state_button.set_name ("MixerAutomationPlaybackButton");
 187
 188         ARDOUR_UI::instance()->tooltips().set_tip (gain_automation_state_button, _("Fader automation mode"));
 189         ARDOUR_UI::instance()->tooltips().set_tip (gain_automation_style_button, _("Fader automation type"));
 190
 191         gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
 192         gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
 193
 194         using namespace Menu_Helpers;
 195
 196         gain_astate_menu.items().push_back (MenuElem (_("Isolate"),
 197                                                       bind (mem_fun (dynamic_cast<Route*>(&_io), &IO::set_gain_automation_state), (AutoState) Off)));
 198         gain_astate_menu.items().push_back (MenuElem (_("Play"),
 199                                                       bind (mem_fun (dynamic_cast<Route*>(&_io), &IO::set_gain_automation_state), (AutoState) Play)));
 200         gain_astate_menu.items().push_back (MenuElem (_("Write"),
 201                                                       bind (mem_fun (dynamic_cast<Route*>(&_io), &IO::set_gain_automation_state), (AutoState) Write)));
 202         gain_astate_menu.items().push_back (MenuElem (_("Touch"),
 203                                                       bind (mem_fun (dynamic_cast<Route*>(&_io), &IO::set_gain_automation_state), (AutoState) Touch)));
 204
 205         gain_astyle_menu.items().push_back (MenuElem (_("Trim")));
 206         gain_astyle_menu.items().push_back (MenuElem (_("Abs")));
 207
 208         Route* _route = dynamic_cast<Route*>(&_io);
 209
 210         gain_astate_menu.set_name ("ArdourContextMenu");
 211         gain_astyle_menu.set_name ("ArdourContextMenu");
 212
 213         gain_automation_style_button.signal_button_press_event().connect (mem_fun(*this, &GainMeter::gain_automation_style_button_event), false);
 214         gain_automation_state_button.signal_button_press_event().connect (mem_fun(*this, &GainMeter::gain_automation_state_button_event), false);
 215
 216         _route->gain_automation_curve().automation_state_changed.connect (mem_fun(*this, &GainMeter::gain_automation_state_changed));
 217         _route->gain_automation_curve().automation_style_changed.connect (mem_fun(*this, &GainMeter::gain_automation_style_changed));
 218
 219         fader_vbox = manage (new Gtk::VBox());
 220         fader_vbox->set_spacing (0);
 221         fader_vbox->pack_start (*gain_slider, false, false, 0);
 222         fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
 223
 224         hbox.set_spacing (0);
 225         hbox.pack_start (*fader_vbox, false, false, 2);
 226         hbox.pack_start (meter_packer, true, false);
 227
 228         set_spacing (4);
 229
 230         pack_start (top_table,  Gtk::PACK_SHRINK);
 231         pack_start (gain_display_box,  Gtk::PACK_SHRINK);
 232         pack_start (hbox,  Gtk::PACK_SHRINK);
 233
 234         _io.gain_changed.connect (mem_fun(*this, &GainMeter::gain_changed));
 235
 236         meter_metric_area.signal_expose_event().connect (mem_fun(*this, &GainMeter::meter_metrics_expose));
 237         gain_adjustment.signal_value_changed().connect (mem_fun(*this, &GainMeter::gain_adjusted));
 238         peak_display.signal_button_release_event().connect (mem_fun(*this, &GainMeter::peak_button_release));
 239
 240         _session.MeterHoldChanged.connect (mem_fun(*this, &GainMeter::meter_hold_changed));
 241
 242         gain_automation_state_changed ();
 243
 244         gain_changed (0);
 245         update_gain_sensitive ();
 246
 247         ResetAllPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_peak_display));
 248         ResetGroupPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_group_peak_display));
 249 }
 250
 251 void
 252 GainMeter::set_width (Width w)
 253 {
 254         switch (w) {
 255         case Wide:
 256                 peak_display_frame.show_all();
 257                 break;
 258         case Narrow:
 259                 peak_display_frame.hide_all();
 260                 break;
 261         }
 262
 263         _width = w;
 264         setup_meters ();
 265 }
 266
 267 Glib::RefPtr<Gdk::Pixmap>
 268 GainMeter::render_metrics (Gtk::Widget& w)
 269 {
 270         Glib::RefPtr<Gdk::Window> win (w.get_window());
 271         Glib::RefPtr<Gdk::GC> fg_gc (w.get_style()->get_fg_gc (Gtk::STATE_NORMAL));
 272         Glib::RefPtr<Gdk::GC> bg_gc (w.get_style()->get_bg_gc (Gtk::STATE_NORMAL));
 273         gint x, y, width, height, depth;
 274         int  db_points[] = { -50, -40, -20, -30, -10, -3, 0, 4 };
 275         char buf[32];
 276
 277         win->get_geometry (x, y, width, height, depth);
 278
 279         Glib::RefPtr<Gdk::Pixmap> pixmap = Gdk::Pixmap::create (win, width, height);
 280
 281         metric_pixmaps[w.get_name()] = pixmap;
 282
 283         pixmap->draw_rectangle (bg_gc, true, 0, 0, width, height);
 284
 285         Glib::RefPtr<Pango::Layout> layout = w.create_pango_layout("");
 286
 287         for (uint32_t i = 0; i < sizeof (db_points)/sizeof (db_points[0]); ++i) {
 288
 289                 float fraction = log_meter (db_points[i]);
 290                 gint pos = height - (gint) floor (height * fraction);
 291
 292                 snprintf (buf, sizeof (buf), "%d", abs (db_points[i]));
 293
 294                 layout->set_text (buf);
 295
 296                 /* we want logical extents, not ink extents here */
 297
 298                 int width, height;
 299                 layout->get_pixel_size (width, height);
 300
 301                 pixmap->draw_line (fg_gc, 0, pos, 4, pos);
 302                 pixmap->draw_layout (fg_gc, 6, pos - (height/2), layout);
 303         }
 304
 305         return pixmap;
 306 }
 307
 308 gint
 309 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
 310 {
 311         Glib::RefPtr<Gdk::Window> win (meter_metric_area.get_window());
 312         Glib::RefPtr<Gdk::GC> fg_gc (meter_metric_area.get_style()->get_fg_gc (Gtk::STATE_NORMAL));
 313         Glib::RefPtr<Gdk::GC> bg_gc (meter_metric_area.get_style()->get_bg_gc (Gtk::STATE_NORMAL));
 314         GdkRectangle base_rect;
 315         GdkRectangle draw_rect;
 316         gint x, y, width, height, depth;
 317
 318         win->get_geometry (x, y, width, height, depth);
 319
 320         base_rect.width = width;
 321         base_rect.height = height;
 322         base_rect.x = 0;
 323         base_rect.y = 0;
 324
 325         Glib::RefPtr<Gdk::Pixmap> pixmap;
 326         std::map<string,Glib::RefPtr<Gdk::Pixmap> >::iterator i = metric_pixmaps.find (meter_metric_area.get_name());
 327
 328         if (i == metric_pixmaps.end()) {
 329                 pixmap = render_metrics (meter_metric_area);
 330         } else {
 331                 pixmap = i->second;
 332         }
 333
 334         gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
 335         win->draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
 336         win->draw_drawable (bg_gc, pixmap, draw_rect.x, draw_rect.y, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
 337
 338         return true;
 339 }
 340
 341 GainMeter::~GainMeter ()
 342 {
 343         if (meter_menu) {
 344                 delete meter_menu;
 345         }
 346
 347         for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
 348                 if ((*i).meter) {
 349                         delete (*i).meter;
 350                 }
 351         }
 352 }
 353
 354 void
 355 GainMeter::update_meters ()
 356 {
 357         vector<MeterInfo>::iterator i;
 358         uint32_t n;
 359         float peak;
 360         char buf[32];
 361
 362         for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
 363                 if ((*i).packed) {
 364                         peak = _io.peak_input_power (n);
 365
 366                         (*i).meter->set (log_meter (peak), peak);
 367
 368                         if (peak > max_peak) {
 369                                 max_peak = peak;
 370                                 /* set peak display */
 371                                 snprintf (buf, sizeof(buf), "%.1f", max_peak);
 372                                 peak_display_label.set_text (buf);
 373
 374                                 if (max_peak >= 0.0f) {
 375                                         peak_display.set_name ("MixerStripPeakDisplayPeak");
 376                                 }
 377                         }
 378                 }
 379         }
 380 }
 381
 382 void
 383 GainMeter::meter_hold_changed()
 384 {
 385         ENSURE_GUI_THREAD(mem_fun(*this, &GainMeter::meter_hold_changed));
 386
 387         vector<MeterInfo>::iterator i;
 388         uint32_t n;
 389
 390         for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
 391
 392                 (*i).meter->set_hold_count ((uint32_t) floor(_session.meter_hold()));
 393         }
 394 }
 395
 396 void
 397 GainMeter::hide_all_meters ()
 398 {
 399         bool remove_metric_area = false;
 400
 401         for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
 402                 if ((*i).packed) {
 403                         remove_metric_area = true;
 404                         meter_packer.remove (*((*i).meter));
 405                         (*i).packed = false;
 406                 }
 407         }
 408
 409         if (remove_metric_area) {
 410                 if (meter_metric_area.get_parent()) {
 411                         meter_packer.remove (meter_metric_area);
 412                 }
 413         }
 414 }
 415
 416 void
 417 GainMeter::setup_meters ()
 418 {
 419         uint32_t nmeters = _io.n_outputs();
 420         guint16 width;
 421
 422         hide_all_meters ();
 423
 424         Route* r;
 425
 426         if ((r = dynamic_cast<Route*> (&_io)) != 0) {
 427
 428                 switch (r->meter_point()) {
 429                 case MeterPreFader:
 430                 case MeterInput:
 431                         nmeters = r->n_inputs();
 432                         break;
 433                 case MeterPostFader:
 434                         nmeters = r->n_outputs();
 435                         break;
 436                 }
 437
 438         } else {
 439
 440                 nmeters = _io.n_outputs();
 441
 442         }
 443
 444         if (nmeters == 0) {
 445                 return;
 446         }
 447
 448         if (nmeters <= 2) {
 449                 width = regular_meter_width;
 450         } else {
 451                 width = thin_meter_width;
 452         }
 453
 454         while (meters.size() < nmeters) {
 455                 meters.push_back (MeterInfo());
 456         }
 457
 458         for (uint32_t n = 0; n < nmeters; ++n) {
 459                 if (meters[n].width != width) {
 460                         delete meters[n].meter;
 461                         meters[n].meter = new FastMeter ((uint32_t) floor (_session.meter_hold()), width, FastMeter::Vertical);
 462                         meters[n].width = width;
 463
 464                         meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
 465                         meters[n].meter->signal_button_release_event().connect (bind (mem_fun(*this, &GainMeter::meter_button_release), n));
 466                 }
 467
 468                 meter_packer.pack_start (*meters[n].meter, Gtk::PACK_SHRINK);
 469                 meters[n].meter->show_all ();
 470                 meters[n].packed = true;
 471         }
 472
 473         if (_width == Wide) {
 474                 meter_packer.pack_start (meter_metric_area, Gtk::PACK_SHRINK);
 475                 meter_metric_area.show_all ();
 476         }
 477 }
 478
 479 gint
 480 GainMeter::peak_button_release (GdkEventButton* ev)
 481 {
 482         /* reset peak label */
 483
 484         if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control|Keyboard::Shift)) {
 485                 ResetAllPeakDisplays ();
 486         } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 487                 Route* r;
 488                 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
 489                         ResetGroupPeakDisplays (r->mix_group());
 490                 }
 491         } else {
 492                 reset_peak_display ();
 493         }
 494         return TRUE;
 495 }
 496
 497 void
 498 GainMeter::reset_peak_display ()
 499 {
 500         max_peak = minus_infinity();
 501         peak_display_label.set_text (_("-Inf"));
 502         peak_display.set_name ("Mixerstrippeakdisplay");
 503 }
 504
 505 void
 506 GainMeter::reset_group_peak_display (RouteGroup* group)
 507 {
 508         Route* r;
 509         if ((r = dynamic_cast<Route*> (&_io)) != 0) {
 510                 if (group == r->mix_group()) {
 511                         reset_peak_display ();
 512                 }
 513         }
 514 }
 515
 516 gint
 517 GainMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
 518 {
 519         switch (ev->button) {
 520         case 1:
 521                 meters[which].meter->clear();
 522                 max_peak = minus_infinity();
 523                 peak_display_label.set_text (_("-inf"));
 524                 peak_display.set_name ("MixerStripPeakDisplay");
 525                 break;
 526
 527         case 3:
 528                 // popup_meter_menu (ev);
 529                 break;
 530         };
 531
 532         return TRUE;
 533 }
 534
 535 void
 536 GainMeter::popup_meter_menu (GdkEventButton *ev)
 537 {
 538         using namespace Menu_Helpers;
 539
 540         if (meter_menu == 0) {
 541                 meter_menu = new Gtk::Menu;
 542                 MenuList& items = meter_menu->items();
 543
 544                 items.push_back (MenuElem ("-inf .. +0dBFS"));
 545                 items.push_back (MenuElem ("-10dB .. +0dBFS"));
 546                 items.push_back (MenuElem ("-4 .. +0dBFS"));
 547                 items.push_back (SeparatorElem());
 548                 items.push_back (MenuElem ("-inf .. -2dBFS"));
 549                 items.push_back (MenuElem ("-10dB .. -2dBFS"));
 550                 items.push_back (MenuElem ("-4 .. -2dBFS"));
 551         }
 552
 553         meter_menu->popup (1, ev->time);
 554 }
 555
 556 void
 557 GainMeter::_gain_printer (char buf[32], Gtk::Adjustment& adj, void *arg)
 558 {
 559         static_cast<GainMeter *>(arg)->gain_printer (buf, adj);
 560 }
 561
 562 void
 563 GainMeter::gain_printer (char buf[32], Gtk::Adjustment& adj)
 564 {
 565         float v = adj.get_value();
 566
 567         if (v == 0.0) {
 568                 strcpy (buf, _("-inf"));
 569         } else {
 570                 snprintf (buf, 32, "%.1f", coefficient_to_dB (slider_position_to_gain (v)));
 571         }
 572 }
 573
 574 void
 575 GainMeter::gain_adjusted ()
 576 {
 577         if (!ignore_toggle) {
 578                 _io.set_gain (slider_position_to_gain (gain_adjustment.get_value()), this);
 579         }
 580 }
 581
 582 void
 583 GainMeter::effective_gain_display ()
 584 {
 585         gfloat value = gain_to_slider_position (_io.effective_gain());
 586
 587         if (gain_adjustment.get_value() != value) {
 588                 ignore_toggle = true;
 589                 gain_adjustment.set_value (value);
 590                 ignore_toggle = false;
 591         }
 592 }
 593
 594 void
 595 GainMeter::gain_changed (void *src)
 596 {
 597         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &GainMeter::effective_gain_display));
 598 }
 599
 600 void
 601 GainMeter::set_meter_strip_name (const char * name)
 602 {
 603         meter_metric_area.set_name (name);
 604 }
 605
 606 void
 607 GainMeter::set_fader_name (const char * name)
 608 {
 609         gain_slider->set_name (name);
 610 }
 611
 612 void
 613 GainMeter::update_gain_sensitive ()
 614 {
 615         static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (!(_io.gain_automation_state() & Play));
 616 }
 617
 618
 619 static MeterPoint
 620 next_meter_point (MeterPoint mp)
 621 {
 622         switch (mp) {
 623         case MeterInput:
 624                 return MeterPreFader;
 625                 break;
 626
 627         case MeterPreFader:
 628                 return MeterPostFader;
 629                 break;
 630
 631         case MeterPostFader:
 632                 return MeterInput;
 633                 break;
 634         }
 635         /*NOTREACHED*/
 636         return MeterInput;
 637 }
 638
 639 gint
 640 GainMeter::meter_press(GdkEventButton* ev)
 641 {
 642         Route* _route;
 643
 644         wait_for_release = false;
 645
 646         if ((_route = dynamic_cast<Route*>(&_io)) == 0) {
 647                 return FALSE;
 648         }
 649
 650         if (!ignore_toggle) {
 651
 652                 if (Keyboard::is_context_menu_event (ev)) {
 653
 654                         // no menu at this time.
 655
 656                 } else {
 657
 658                         if (ev->button == 2) {
 659
 660                                 // ctrl-button2 click is the midi binding click
 661                                 // button2-click is "momentary"
 662
 663                                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control))) {
 664                                         wait_for_release = true;
 665                                         old_meter_point = _route->meter_point ();
 666                                 }
 667                         }
 668
 669                         if (ev->button == 1 || ev->button == 2) {
 670
 671                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control|Keyboard::Shift))) {
 672
 673                                         /* ctrl-shift-click applies change to all routes */
 674
 675                                         _session.foreach_route (this, &GainMeter::set_meter_point, next_meter_point (_route->meter_point()));
 676
 677                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 678
 679                                         /* ctrl-click: solo mix group.
 680                                            ctrl-button2 is MIDI learn.
 681                                         */
 682
 683                                         if (ev->button == 1) {
 684                                                 set_mix_group_meter_point (*_route, next_meter_point (_route->meter_point()));
 685                                         }
 686
 687                                 } else {
 688
 689                                         /* click: solo this route */
 690
 691                                         _route->set_meter_point (next_meter_point (_route->meter_point()), this);
 692                                 }
 693                         }
 694                 }
 695         }
 696
 697         return true;
 698
 699 }
 700
 701 gint
 702 GainMeter::meter_release(GdkEventButton* ev)
 703 {
 704
 705         if(!ignore_toggle){
 706                 if (wait_for_release){
 707                         wait_for_release = false;
 708                         set_meter_point (*(dynamic_cast<Route*>(&_io)), old_meter_point);
 709                 }
 710         }
 711         return true;
 712 }
 713
 714 void
 715 GainMeter::set_meter_point (Route& route, MeterPoint mp)
 716 {
 717         route.set_meter_point (mp, this);
 718 }
 719
 720 void
 721 GainMeter::set_mix_group_meter_point (Route& route, MeterPoint mp)
 722 {
 723         RouteGroup* mix_group;
 724
 725         if((mix_group = route.mix_group()) != 0){
 726                 mix_group->apply (&Route::set_meter_point, mp, this);
 727         } else {
 728                 route.set_meter_point (mp, this);
 729         }
 730 }
 731
 732 void
 733 GainMeter::meter_changed (void *src)
 734 {
 735         Route* r;
 736
 737         ENSURE_GUI_THREAD (bind (mem_fun(*this, &GainMeter::meter_changed), src));
 738
 739         if ((r = dynamic_cast<Route*> (&_io)) != 0) {
 740
 741                 switch (r->meter_point()) {
 742                 case MeterInput:
 743                         meter_point_label.set_text (_("input"));
 744                         break;
 745
 746                 case MeterPreFader:
 747                         meter_point_label.set_text (_("pre"));
 748                         break;
 749
 750                 case MeterPostFader:
 751                         meter_point_label.set_text (_("post"));
 752                         break;
 753                 }
 754
 755                 setup_meters ();
 756         }
 757 }
 758
 759 void
 760 GainMeter::meter_point_clicked ()
 761 {
 762         Route* r;
 763
 764         if ((r = dynamic_cast<Route*> (&_io)) != 0) {
 765
 766         }
 767 }
 768
 769 gint
 770 GainMeter::start_gain_touch (GdkEventButton* ev)
 771 {
 772         _io.start_gain_touch ();
 773         return FALSE;
 774 }
 775
 776 gint
 777 GainMeter::end_gain_touch (GdkEventButton* ev)
 778 {
 779         _io.end_gain_touch ();
 780         return FALSE;
 781 }
 782
 783 gint
 784 GainMeter::gain_automation_state_button_event (GdkEventButton *ev)
 785 {
 786         if (ev->type == GDK_BUTTON_RELEASE) {
 787                 return TRUE;
 788         }
 789
 790         switch (ev->button) {
 791                 case 1:
 792                         gain_astate_menu.popup (1, ev->time);
 793                         break;
 794                 default:
 795                         break;
 796         }
 797
 798         return TRUE;
 799 }
 800
 801 gint
 802 GainMeter::gain_automation_style_button_event (GdkEventButton *ev)
 803 {
 804         if (ev->type == GDK_BUTTON_RELEASE) {
 805                 return TRUE;
 806         }
 807
 808         switch (ev->button) {
 809         case 1:
 810                 gain_astyle_menu.popup (1, ev->time);
 811                 break;
 812         default:
 813                 break;
 814         }
 815         return TRUE;
 816 }
 817
 818 string
 819 GainMeter::astate_string (AutoState state)
 820 {
 821         return _astate_string (state, false);
 822 }
 823
 824 string
 825 GainMeter::short_astate_string (AutoState state)
 826 {
 827         return _astate_string (state, true);
 828 }
 829
 830 string
 831 GainMeter::_astate_string (AutoState state, bool shrt)
 832 {
 833         string sstr;
 834
 835         switch (state) {
 836         case Off:
 837                 sstr = (shrt ? "I" : _("I"));
 838                 break;
 839         case Play:
 840                 sstr = (shrt ? "P" : _("P"));
 841                 break;
 842         case Touch:
 843                 sstr = (shrt ? "T" : _("T"));
 844                 break;
 845         case Write:
 846                 sstr = (shrt ? "W" : _("W"));
 847                 break;
 848         }
 849
 850         return sstr;
 851 }
 852
 853 string
 854 GainMeter::astyle_string (AutoStyle style)
 855 {
 856         return _astyle_string (style, false);
 857 }
 858
 859 string
 860 GainMeter::short_astyle_string (AutoStyle style)
 861 {
 862         return _astyle_string (style, true);
 863 }
 864
 865 string
 866 GainMeter::_astyle_string (AutoStyle style, bool shrt)
 867 {
 868         if (style & Trim) {
 869                 return _("Trim");
 870         } else {
 871                 /* XXX it might different in different languages */
 872
 873                 return (shrt ? _("Abs") : _("Abs"));
 874         }
 875 }
 876
 877 void
 878 GainMeter::gain_automation_style_changed ()
 879 {
 880   Route* _route = dynamic_cast<Route*>(&_io);
 881         switch (_width) {
 882         case Wide:
 883                 gain_automation_style_button.set_label (astyle_string(_route->gain_automation_curve().automation_style()));
 884                 break;
 885         case Narrow:
 886                 gain_automation_style_button.set_label  (short_astyle_string(_route->gain_automation_curve().automation_style()));
 887                 break;
 888         }
 889 }
 890
 891 void
 892 GainMeter::gain_automation_state_changed ()
 893 {
 894         ENSURE_GUI_THREAD(mem_fun(*this, &GainMeter::gain_automation_state_changed));
 895         Route* _route = dynamic_cast<Route*>(&_io);
 896
 897         bool x;
 898
 899         switch (_width) {
 900         case Wide:
 901                 gain_automation_state_button.set_label (astate_string(_route->gain_automation_curve().automation_state()));
 902                 break;
 903         case Narrow:
 904                 gain_automation_state_button.set_label (short_astate_string(_route->gain_automation_curve().automation_state()));
 905                 break;
 906         }
 907
 908         x = (_route->gain_automation_state() != Off);
 909
 910         if (gain_automation_state_button.get_active() != x) {
 911                 ignore_toggle = true;
 912                 gain_automation_state_button.set_active (x);
 913                 ignore_toggle = false;
 914         }
 915
 916         update_gain_sensitive ();
 917
 918         /* start watching automation so that things move */
 919
 920         gain_watching.disconnect();
 921
 922         if (x) {
 923                 gain_watching = ARDOUR_UI::RapidScreenUpdate.connect (mem_fun (*this, &GainMeter::effective_gain_display));
 924         }
 925 }