src/wx/audio_mapping_view.cc

   1 /*
   2     Copyright (C) 2013-2019 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 /** @file  src/wx/audio_mapping_view.cc
  22  *  @brief AudioMappingView class and helpers.
  23  */
  24
  25 #include "audio_mapping_view.h"
  26 #include "wx_util.h"
  27 #include "audio_gain_dialog.h"
  28 #include "lib/audio_mapping.h"
  29 #include "lib/util.h"
  30 #include <dcp/locale_convert.h>
  31 #include <dcp/types.h>
  32 #include <wx/wx.h>
  33 #include <wx/renderer.h>
  34 #include <wx/grid.h>
  35 #include <wx/graphics.h>
  36 #include <boost/foreach.hpp>
  37 #include <iostream>
  38
  39 using std::cout;
  40 using std::list;
  41 using std::string;
  42 using std::min;
  43 using std::max;
  44 using std::vector;
  45 using std::pair;
  46 using std::make_pair;
  47 using boost::shared_ptr;
  48 using boost::optional;
  49 #if BOOST_VERSION >= 106100
  50 using namespace boost::placeholders;
  51 #endif
  52 using dcp::locale_convert;
  53
  54 #define INDICATOR_SIZE 20
  55 #define GRID_SPACING 32
  56 #define LEFT_WIDTH (GRID_SPACING * 3)
  57 #define TOP_HEIGHT (GRID_SPACING * 2)
  58
  59 enum {
  60         ID_off = 1,
  61         ID_full = 2,
  62         ID_minus6dB = 3,
  63         ID_edit = 4
  64 };
  65
  66 AudioMappingView::AudioMappingView (wxWindow* parent)
  67         : wxPanel (parent, wxID_ANY)
  68         , _menu_input (0)
  69         , _menu_output (1)
  70 {
  71         _menu = new wxMenu;
  72         _menu->Append (ID_off, _("Off"));
  73         _menu->Append (ID_full, _("Full"));
  74         _menu->Append (ID_minus6dB, _("-6dB"));
  75         _menu->Append (ID_edit, _("Edit..."));
  76
  77         _body = new wxPanel (this, wxID_ANY);
  78         _vertical_scroll = new wxScrollBar (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxSB_VERTICAL);
  79         _horizontal_scroll = new wxScrollBar (this, wxID_ANY);
  80
  81         Bind (wxEVT_SIZE, boost::bind(&AudioMappingView::size, this, _1));
  82         Bind (wxEVT_MENU, boost::bind(&AudioMappingView::off, this), ID_off);
  83         Bind (wxEVT_MENU, boost::bind(&AudioMappingView::full, this), ID_full);
  84         Bind (wxEVT_MENU, boost::bind(&AudioMappingView::minus6dB, this), ID_minus6dB);
  85         Bind (wxEVT_MENU, boost::bind(&AudioMappingView::edit, this), ID_edit);
  86         Bind (wxEVT_MOUSEWHEEL, boost::bind(&AudioMappingView::mouse_wheel, this, _1));
  87         _body->Bind (wxEVT_PAINT, boost::bind(&AudioMappingView::paint, this));
  88         _body->Bind (wxEVT_LEFT_DOWN, boost::bind(&AudioMappingView::left_down, this, _1));
  89         _body->Bind (wxEVT_RIGHT_DOWN, boost::bind(&AudioMappingView::right_down, this, _1));
  90         _body->Bind (wxEVT_MOTION, boost::bind(&AudioMappingView::motion, this, _1));
  91         _vertical_scroll->Bind (wxEVT_SCROLL_TOP, boost::bind(&AudioMappingView::scroll, this));
  92         _vertical_scroll->Bind (wxEVT_SCROLL_BOTTOM, boost::bind(&AudioMappingView::scroll, this));
  93         _vertical_scroll->Bind (wxEVT_SCROLL_LINEUP, boost::bind(&AudioMappingView::scroll, this));
  94         _vertical_scroll->Bind (wxEVT_SCROLL_LINEDOWN, boost::bind(&AudioMappingView::scroll, this));
  95         _vertical_scroll->Bind (wxEVT_SCROLL_PAGEUP, boost::bind(&AudioMappingView::scroll, this));
  96         _vertical_scroll->Bind (wxEVT_SCROLL_PAGEDOWN, boost::bind(&AudioMappingView::scroll, this));
  97         _vertical_scroll->Bind (wxEVT_SCROLL_THUMBTRACK, boost::bind(&AudioMappingView::scroll, this));
  98         _vertical_scroll->Bind (wxEVT_SCROLL_THUMBRELEASE, boost::bind(&AudioMappingView::scroll, this));
  99         _horizontal_scroll->Bind (wxEVT_SCROLL_TOP, boost::bind(&AudioMappingView::scroll, this));
 100         _horizontal_scroll->Bind (wxEVT_SCROLL_BOTTOM, boost::bind(&AudioMappingView::scroll, this));
 101         _horizontal_scroll->Bind (wxEVT_SCROLL_LINEUP, boost::bind(&AudioMappingView::scroll, this));
 102         _horizontal_scroll->Bind (wxEVT_SCROLL_LINEDOWN, boost::bind(&AudioMappingView::scroll, this));
 103         _horizontal_scroll->Bind (wxEVT_SCROLL_PAGEUP, boost::bind(&AudioMappingView::scroll, this));
 104         _horizontal_scroll->Bind (wxEVT_SCROLL_PAGEDOWN, boost::bind(&AudioMappingView::scroll, this));
 105         _horizontal_scroll->Bind (wxEVT_SCROLL_THUMBTRACK, boost::bind(&AudioMappingView::scroll, this));
 106         _horizontal_scroll->Bind (wxEVT_SCROLL_THUMBRELEASE, boost::bind(&AudioMappingView::scroll, this));
 107 }
 108
 109 void
 110 AudioMappingView::size (wxSizeEvent& ev)
 111 {
 112         setup ();
 113         ev.Skip ();
 114 }
 115
 116 void
 117 AudioMappingView::setup ()
 118 {
 119         wxSize const s = GetSize();
 120         int const w = _vertical_scroll->GetSize().GetWidth();
 121         int const h = _horizontal_scroll->GetSize().GetHeight();
 122
 123         _vertical_scroll->SetPosition (wxPoint(s.GetWidth() - w, 0));
 124         _vertical_scroll->SetSize (wxSize(w, max(0, s.GetHeight() - h)));
 125
 126         _body->SetSize (wxSize(max(0, s.GetWidth() - w), max(0, s.GetHeight() - h)));
 127
 128         _horizontal_scroll->SetPosition (wxPoint(0, s.GetHeight() - h));
 129         _horizontal_scroll->SetSize (wxSize(max(0, s.GetWidth() - w), h));
 130
 131         _vertical_scroll->SetScrollbar (
 132                 _vertical_scroll->GetThumbPosition(),
 133                 s.GetHeight() - h - 8,
 134                 GRID_SPACING * (2 + _input_channels.size()),
 135                 GRID_SPACING,
 136                 true
 137                 );
 138
 139         _horizontal_scroll->SetScrollbar (
 140                 _horizontal_scroll->GetThumbPosition(),
 141                 s.GetWidth() - w - 8,
 142                 GRID_SPACING * (3 + _output_channels.size()),
 143                 GRID_SPACING,
 144                 true);
 145 }
 146
 147 void
 148 AudioMappingView::scroll ()
 149 {
 150         Refresh ();
 151 }
 152
 153 void
 154 AudioMappingView::paint_static (wxDC& dc)
 155 {
 156         dc.SetFont (wxSWISS_FONT->Bold());
 157         wxCoord label_width;
 158         wxCoord label_height;
 159
 160         /* DCP label at the top */
 161
 162         dc.GetTextExtent (_("DCP"), &label_width, &label_height);
 163         dc.DrawText (_("DCP"), LEFT_WIDTH + (_output_channels.size() * GRID_SPACING - label_width) / 2, (GRID_SPACING - label_height) / 2);
 164
 165         /* Content label on the left */
 166
 167         dc.GetTextExtent (_("Content"), &label_width, &label_height);
 168         dc.DrawRotatedText (
 169                 _("Content"),
 170                 (GRID_SPACING - label_height) / 2,
 171                 TOP_HEIGHT + (_input_channels.size() * GRID_SPACING + label_width) / 2,
 172                 90
 173                 );
 174
 175         dc.SetFont (*wxSWISS_FONT);
 176 }
 177
 178 void
 179 AudioMappingView::paint_column_labels (wxDC& dc)
 180 {
 181         wxCoord label_width;
 182         wxCoord label_height;
 183         int N = 0;
 184         BOOST_FOREACH (string i, _output_channels) {
 185                 dc.GetTextExtent (std_to_wx(i), &label_width, &label_height);
 186                 dc.DrawText (std_to_wx(i), LEFT_WIDTH + GRID_SPACING * N + (GRID_SPACING - label_width) / 2, GRID_SPACING + (GRID_SPACING - label_height) / 2);
 187                 ++N;
 188         }
 189
 190         dc.DrawLine(wxPoint(LEFT_WIDTH, GRID_SPACING), wxPoint(LEFT_WIDTH + _output_channels.size() * GRID_SPACING, GRID_SPACING));
 191         dc.DrawLine(wxPoint(LEFT_WIDTH, GRID_SPACING * 2), wxPoint(LEFT_WIDTH + _output_channels.size() * GRID_SPACING, GRID_SPACING * 2));
 192 }
 193
 194 void
 195 AudioMappingView::paint_column_lines (wxDC& dc)
 196 {
 197         for (size_t i = 0; i < _output_channels.size(); ++i) {
 198                 dc.DrawLine (
 199                         wxPoint(LEFT_WIDTH + GRID_SPACING * i, GRID_SPACING),
 200                         wxPoint(LEFT_WIDTH + GRID_SPACING * i, TOP_HEIGHT + _input_channels.size() * GRID_SPACING)
 201                         );
 202         }
 203
 204         dc.DrawLine (
 205                 wxPoint(LEFT_WIDTH + GRID_SPACING * _output_channels.size(), GRID_SPACING),
 206                 wxPoint(LEFT_WIDTH + GRID_SPACING * _output_channels.size(), TOP_HEIGHT + _input_channels.size() * GRID_SPACING)
 207                 );
 208 }
 209
 210 void
 211 AudioMappingView::paint_row_labels (wxDC& dc)
 212 {
 213         wxCoord label_width;
 214         wxCoord label_height;
 215
 216         /* Row channel labels */
 217
 218         int N = 0;
 219         BOOST_FOREACH (string i, _input_channels) {
 220                 dc.GetTextExtent (std_to_wx(i), &label_width, &label_height);
 221                 dc.DrawText (std_to_wx(i), GRID_SPACING * 2 + (GRID_SPACING - label_width) / 2, TOP_HEIGHT + GRID_SPACING * N + (GRID_SPACING - label_height) / 2);
 222                 ++N;
 223         }
 224
 225         /* Vertical lines on the left */
 226
 227         for (int i = 1; i < 3; ++i) {
 228                 dc.DrawLine (
 229                         wxPoint(GRID_SPACING * i, TOP_HEIGHT),
 230                         wxPoint(GRID_SPACING * i, TOP_HEIGHT + _input_channels.size() * GRID_SPACING)
 231                         );
 232         }
 233
 234         /* Group labels and lines */
 235
 236         int y = TOP_HEIGHT;
 237         BOOST_FOREACH (Group i, _input_groups) {
 238                 int const height = (i.to - i.from + 1) * GRID_SPACING;
 239                 dc.GetTextExtent (std_to_wx(i.name), &label_width, &label_height);
 240                 if (label_width > height) {
 241                         label_width = height - 8;
 242                 }
 243
 244                 {
 245                         int yp = y;
 246                         if ((yp - 2 * GRID_SPACING) < dc.GetLogicalOrigin().y) {
 247                                 yp += dc.GetLogicalOrigin().y;
 248                         }
 249
 250                         wxCoord old_x, old_y, old_width, old_height;
 251                         dc.GetClippingBox (&old_x, &old_y, &old_width, &old_height);
 252                         dc.DestroyClippingRegion ();
 253                         dc.SetClippingRegion (GRID_SPACING, yp + 4, GRID_SPACING, height - 8);
 254
 255                         dc.DrawRotatedText (
 256                                 std_to_wx(i.name),
 257                                 GRID_SPACING + (GRID_SPACING - label_height) / 2,
 258                                 y + (height + label_width) / 2,
 259                                 90
 260                                 );
 261
 262                         dc.DestroyClippingRegion ();
 263                         dc.SetClippingRegion (old_x, old_y, old_width, old_height);
 264                 }
 265
 266                 dc.DrawLine (wxPoint(GRID_SPACING, y), wxPoint(GRID_SPACING * 2, y));
 267                 y += height;
 268         }
 269
 270         dc.DrawLine (wxPoint(GRID_SPACING, y), wxPoint(GRID_SPACING * 2, y));
 271         }
 272
 273 void
 274 AudioMappingView::paint_row_lines (wxDC& dc)
 275 {
 276         for (size_t i = 0; i < _input_channels.size(); ++i) {
 277                 dc.DrawLine (
 278                         wxPoint(GRID_SPACING * 2, TOP_HEIGHT + GRID_SPACING * i),
 279                         wxPoint(LEFT_WIDTH + _output_channels.size() * GRID_SPACING, TOP_HEIGHT + GRID_SPACING * i)
 280                         );
 281         }
 282         dc.DrawLine (
 283                 wxPoint(GRID_SPACING * 2, TOP_HEIGHT + GRID_SPACING * _input_channels.size()),
 284                 wxPoint(LEFT_WIDTH + _output_channels.size() * GRID_SPACING, TOP_HEIGHT + GRID_SPACING * _input_channels.size())
 285                 );
 286 }
 287
 288 void
 289 AudioMappingView::paint_indicators (wxDC& dc)
 290 {
 291         /* _{input,output}_channels and _map may not always be in sync, be careful here */
 292         size_t const output = min(_output_channels.size(), size_t(_map.output_channels()));
 293         size_t const input = min(_input_channels.size(), size_t(_map.input_channels()));
 294
 295         for (size_t x = 0; x < output; ++x) {
 296                 for (size_t y = 0; y < input; ++y) {
 297                         dc.SetBrush (*wxWHITE_BRUSH);
 298                         dc.DrawRectangle (
 299                                 wxRect(
 300                                         LEFT_WIDTH + x * GRID_SPACING + (GRID_SPACING - INDICATOR_SIZE) / 2,
 301                                         TOP_HEIGHT + y * GRID_SPACING + (GRID_SPACING - INDICATOR_SIZE) / 2,
 302                                         INDICATOR_SIZE, INDICATOR_SIZE
 303                                         )
 304                                 );
 305
 306                         float const value_dB = 20 * log10 (_map.get(y, x));
 307                         int const range = 18;
 308                         int height = 0;
 309                         if (value_dB > -range) {
 310                                 height = INDICATOR_SIZE * (1 + value_dB / range);
 311                         }
 312
 313                         dc.SetBrush (*wxTheBrushList->FindOrCreateBrush(wxColour (0, 255, 0), wxBRUSHSTYLE_SOLID));
 314                         dc.DrawRectangle (
 315                                 wxRect(
 316                                         LEFT_WIDTH + x * GRID_SPACING + (GRID_SPACING - INDICATOR_SIZE) / 2,
 317                                         TOP_HEIGHT + y * GRID_SPACING + (GRID_SPACING - INDICATOR_SIZE) / 2 + INDICATOR_SIZE - height,
 318                                         INDICATOR_SIZE, height
 319                                         )
 320                                 );
 321                 }
 322         }
 323 }
 324
 325 static
 326 void clip (wxDC& dc, int x, int y, int w, int h)
 327 {
 328         dc.SetClippingRegion (x, y, w, h);
 329 }
 330
 331 static
 332 void translate (wxDC& dc, int x, int y)
 333 {
 334         dc.SetLogicalOrigin (x, y);
 335 }
 336
 337 static
 338 void restore (wxDC& dc)
 339 {
 340         dc.SetLogicalOrigin (0, 0);
 341         dc.DestroyClippingRegion ();
 342 }
 343
 344 void
 345 AudioMappingView::paint ()
 346 {
 347         wxPaintDC dc (_body);
 348
 349         int const hs = _horizontal_scroll->GetThumbPosition ();
 350         int const vs = _vertical_scroll->GetThumbPosition ();
 351
 352         paint_static (dc);
 353
 354         clip (dc, LEFT_WIDTH, 0, GRID_SPACING * _output_channels.size(), GRID_SPACING * (2 + _input_channels.size()));
 355         translate (dc, hs, 0);
 356         paint_column_labels (dc);
 357         restore (dc);
 358
 359         clip (dc, 0, TOP_HEIGHT, GRID_SPACING * (3 + _output_channels.size()), GRID_SPACING * _input_channels.size() + 1);
 360         translate (dc, 0, vs);
 361         paint_row_labels (dc);
 362         restore (dc);
 363
 364         clip (dc, GRID_SPACING * 2, TOP_HEIGHT, GRID_SPACING * (1 + _output_channels.size()), GRID_SPACING * _input_channels.size() + 1);
 365         translate (dc, hs, vs);
 366         paint_row_lines (dc);
 367         restore (dc);
 368
 369         clip (dc, LEFT_WIDTH, GRID_SPACING, GRID_SPACING * (1 + _output_channels.size()), GRID_SPACING * (1 + _input_channels.size()));
 370         translate (dc, hs, vs);
 371         paint_column_lines (dc);
 372         restore (dc);
 373
 374         clip (dc, LEFT_WIDTH, TOP_HEIGHT, GRID_SPACING * _output_channels.size(), GRID_SPACING * _input_channels.size());
 375         translate (dc, hs, vs);
 376         paint_indicators (dc);
 377         restore (dc);
 378 }
 379
 380 optional<pair<int, int> >
 381 AudioMappingView::mouse_event_to_channels (wxMouseEvent& ev) const
 382 {
 383         int const x = ev.GetX() + _horizontal_scroll->GetThumbPosition();
 384         int const y = ev.GetY() + _vertical_scroll->GetThumbPosition();
 385
 386         if (x <= LEFT_WIDTH || y < TOP_HEIGHT) {
 387                 return optional<pair<int, int> >();
 388         }
 389
 390         int const input = (y - TOP_HEIGHT) / GRID_SPACING;
 391         int const output = (x - LEFT_WIDTH) / GRID_SPACING;
 392
 393         if (input >= int(_input_channels.size()) || output >= int(_output_channels.size())) {
 394                 return optional<pair<int, int> >();
 395         }
 396
 397         return make_pair (input, output);
 398 }
 399
 400 optional<string>
 401 AudioMappingView::mouse_event_to_input_group_name (wxMouseEvent& ev) const
 402 {
 403         int const x = ev.GetX() + _horizontal_scroll->GetThumbPosition();
 404         if (x < GRID_SPACING || x > (2 * GRID_SPACING)) {
 405                 return optional<string>();
 406         }
 407
 408         int y = (ev.GetY() + _vertical_scroll->GetThumbPosition() - (GRID_SPACING * 2)) / GRID_SPACING;
 409         BOOST_FOREACH (Group i, _input_groups) {
 410                 if (i.from <= y && y <= i.to) {
 411                         return i.name;
 412                 }
 413         }
 414
 415         return optional<string>();
 416 }
 417
 418 void
 419 AudioMappingView::left_down (wxMouseEvent& ev)
 420 {
 421         optional<pair<int, int> > channels = mouse_event_to_channels (ev);
 422         if (!channels) {
 423                 return;
 424         }
 425
 426         if (_map.get(channels->first, channels->second) > 0) {
 427                 _map.set (channels->first, channels->second, 0);
 428         } else {
 429                 _map.set (channels->first, channels->second, 1);
 430         }
 431
 432         map_values_changed ();
 433 }
 434
 435 void
 436 AudioMappingView::right_down (wxMouseEvent& ev)
 437 {
 438         optional<pair<int, int> > channels = mouse_event_to_channels (ev);
 439         if (!channels) {
 440                 return;
 441         }
 442
 443         _menu_input = channels->first;
 444         _menu_output = channels->second;
 445         PopupMenu (_menu, ev.GetPosition());
 446 }
 447
 448 void
 449 AudioMappingView::mouse_wheel (wxMouseEvent& ev)
 450 {
 451         if (ev.ShiftDown()) {
 452                 _horizontal_scroll->SetThumbPosition (
 453                         _horizontal_scroll->GetThumbPosition() + (ev.GetWheelRotation() > 0 ? -GRID_SPACING : GRID_SPACING)
 454                         );
 455
 456         } else {
 457                 _vertical_scroll->SetThumbPosition (
 458                         _vertical_scroll->GetThumbPosition() + (ev.GetWheelRotation() > 0 ? -GRID_SPACING : GRID_SPACING)
 459                         );
 460         }
 461         Refresh ();
 462 }
 463
 464 /** Called when any gain value has changed */
 465 void
 466 AudioMappingView::map_values_changed ()
 467 {
 468         Changed (_map);
 469         _last_tooltip_channels = optional<pair<int, int> >();
 470         Refresh ();
 471 }
 472
 473 void
 474 AudioMappingView::off ()
 475 {
 476         _map.set (_menu_input, _menu_output, 0);
 477         map_values_changed ();
 478 }
 479
 480 void
 481 AudioMappingView::full ()
 482 {
 483         _map.set (_menu_input, _menu_output, 1);
 484         map_values_changed ();
 485 }
 486
 487 void
 488 AudioMappingView::minus6dB ()
 489 {
 490         _map.set (_menu_input, _menu_output, pow (10, -6.0 / 20));
 491         map_values_changed ();
 492 }
 493
 494 void
 495 AudioMappingView::edit ()
 496 {
 497         AudioGainDialog* dialog = new AudioGainDialog (this, _menu_input, _menu_output, _map.get(_menu_input, _menu_output));
 498         if (dialog->ShowModal() == wxID_OK) {
 499                 _map.set (_menu_input, _menu_output, dialog->value ());
 500                 map_values_changed ();
 501         }
 502
 503         dialog->Destroy ();
 504 }
 505
 506 void
 507 AudioMappingView::set (AudioMapping map)
 508 {
 509         _map = map;
 510         Refresh ();
 511 }
 512
 513 void
 514 AudioMappingView::set_input_channels (vector<string> const & names)
 515 {
 516         _input_channels = names;
 517         setup ();
 518         Refresh ();
 519 }
 520
 521 void
 522 AudioMappingView::set_output_channels (vector<string> const & names)
 523 {
 524         _output_channels = names;
 525         setup ();
 526         Refresh ();
 527 }
 528
 529 void
 530 AudioMappingView::motion (wxMouseEvent& ev)
 531 {
 532         optional<pair<int, int> > channels = mouse_event_to_channels (ev);
 533         if (channels) {
 534                 if (channels != _last_tooltip_channels) {
 535                         wxString s;
 536                         float const gain = _map.get(channels->first, channels->second);
 537                         if (gain == 0) {
 538                                 s = wxString::Format (
 539                                         _("No audio will be passed from content channel %d to DCP channel %d."),
 540                                         channels->first + 1, channels->second + 1
 541                                         );
 542                         } else if (gain == 1) {
 543                                 s = wxString::Format (
 544                                         _("Audio will be passed from content channel %d to DCP channel %d unaltered."),
 545                                         channels->first + 1, channels->second + 1
 546                                         );
 547                         } else {
 548                                 float const dB = 20 * log10 (gain);
 549                                 s = wxString::Format (
 550                                         _("Audio will be passed from content channel %d to DCP channel %d with gain %.1fdB."),
 551                                         channels->first + 1, channels->second + 1, dB
 552                                         );
 553                         }
 554
 555                         SetToolTip (s + " " + _("Right click to change gain."));
 556                 }
 557         } else {
 558                 optional<string> group = mouse_event_to_input_group_name (ev);
 559                 if (group) {
 560                         SetToolTip (std_to_wx(*group));
 561                 } else {
 562                         SetToolTip ("");
 563                 }
 564         }
 565
 566         _last_tooltip_channels = channels;
 567         ev.Skip ();
 568 }
 569
 570 void
 571 AudioMappingView::set_input_groups (vector<Group> const & groups)
 572 {
 573         _input_groups = groups;
 574 }