2 Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
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.
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.
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/>.
21 /** @file src/wx/audio_mapping_view.cc
22 * @brief AudioMappingView class and helpers.
25 #include "audio_mapping_view.h"
27 #include "audio_gain_dialog.h"
28 #include "lib/audio_mapping.h"
30 #include <dcp/locale_convert.h>
31 #include <dcp/types.h>
33 #include <wx/renderer.h>
35 #include <wx/graphics.h>
36 #include <boost/foreach.hpp>
47 using boost::shared_ptr;
48 using dcp::locale_convert;
50 #define INDICATOR_SIZE 16
60 class NoSelectionStringRenderer : public wxGridCellStringRenderer
63 void Draw (wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, const wxRect& rect, int row, int col, bool)
65 wxGridCellStringRenderer::Draw (grid, attr, dc, rect, row, col, false);
69 /** @class ValueRenderer
70 * @brief wxGridCellRenderer for a gain value.
72 class ValueRenderer : public wxGridCellRenderer
76 void Draw (wxGrid& grid, wxGridCellAttr &, wxDC& dc, const wxRect& rect, int row, int col, bool)
78 dc.SetPen (*wxThePenList->FindOrCreatePen (wxColour (255, 255, 255), 1, wxPENSTYLE_SOLID));
79 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (255, 255, 255), wxBRUSHSTYLE_SOLID));
80 dc.DrawRectangle (rect);
82 int const xo = (rect.GetWidth() - INDICATOR_SIZE) / 2;
83 int const yo = (rect.GetHeight() - INDICATOR_SIZE) / 2;
85 dc.SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
86 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (255, 255, 255), wxBRUSHSTYLE_SOLID));
87 dc.DrawRectangle (wxRect (rect.GetLeft() + xo, rect.GetTop() + yo, INDICATOR_SIZE, INDICATOR_SIZE));
89 float const value = locale_convert<float> (wx_to_std (grid.GetCellValue (row, col)));
90 float const value_dB = 20 * log10 (value);
93 if (value_dB > -range) {
94 height = INDICATOR_SIZE * (1 + value_dB / range);
97 height = max (0, height);
100 /* Make sure we get a little bit of the marker if there is any gain */
101 height = max (3, height);
104 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (0, 255, 0), wxBRUSHSTYLE_SOLID));
105 dc.DrawRectangle (wxRect (rect.GetLeft() + xo, rect.GetTop() + yo + INDICATOR_SIZE - height, INDICATOR_SIZE, height));
108 wxSize GetBestSize (wxGrid &, wxGridCellAttr &, wxDC &, int, int)
110 return wxSize (INDICATOR_SIZE + 4, INDICATOR_SIZE + 4);
113 wxGridCellRenderer* Clone () const
115 return new ValueRenderer;
120 AudioMappingView::AudioMappingView (wxWindow* parent)
121 : wxPanel (parent, wxID_ANY)
124 , _last_tooltip_row (0)
125 , _last_tooltip_column (0)
127 _left_labels = new wxPanel (this, wxID_ANY);
128 _left_labels->Bind (wxEVT_PAINT, boost::bind (&AudioMappingView::paint_left_labels, this));
129 _top_labels = new wxPanel (this, wxID_ANY);
130 _top_labels->Bind (wxEVT_PAINT, boost::bind (&AudioMappingView::paint_top_labels, this));
132 _grid = new wxGrid (this, wxID_ANY);
134 _grid->CreateGrid (0, MAX_DCP_AUDIO_CHANNELS + 1);
135 _grid->HideRowLabels ();
136 _grid->DisableDragRowSize ();
137 _grid->DisableDragColSize ();
138 _grid->EnableEditing (false);
139 _grid->SetCellHighlightPenWidth (0);
140 _grid->SetDefaultRenderer (new NoSelectionStringRenderer);
143 wxSizer* vertical_sizer = new wxBoxSizer (wxVERTICAL);
144 vertical_sizer->Add (_top_labels);
145 wxSizer* horizontal_sizer = new wxBoxSizer (wxHORIZONTAL);
146 horizontal_sizer->Add (_left_labels);
147 horizontal_sizer->Add (_grid, 1, wxEXPAND | wxALL);
148 vertical_sizer->Add (horizontal_sizer);
149 SetSizerAndFit (vertical_sizer);
151 Bind (wxEVT_GRID_CELL_LEFT_CLICK, boost::bind (&AudioMappingView::left_click, this, _1));
152 Bind (wxEVT_GRID_CELL_RIGHT_CLICK, boost::bind (&AudioMappingView::right_click, this, _1));
153 _grid->GetGridWindow()->Bind (wxEVT_MOTION, boost::bind (&AudioMappingView::mouse_moved_grid, this, _1));
154 _grid->Bind (wxEVT_SCROLLWIN_TOP, boost::bind (&AudioMappingView::grid_scrolled, this));
155 _grid->Bind (wxEVT_SCROLLWIN_BOTTOM, boost::bind (&AudioMappingView::grid_scrolled, this));
156 _grid->Bind (wxEVT_SCROLLWIN_LINEUP, boost::bind (&AudioMappingView::grid_scrolled, this));
157 _grid->Bind (wxEVT_SCROLLWIN_LINEDOWN, boost::bind (&AudioMappingView::grid_scrolled, this));
158 _grid->Bind (wxEVT_SCROLLWIN_PAGEUP, boost::bind (&AudioMappingView::grid_scrolled, this));
159 _grid->Bind (wxEVT_SCROLLWIN_PAGEDOWN, boost::bind (&AudioMappingView::grid_scrolled, this));
160 _grid->Bind (wxEVT_SCROLLWIN_THUMBTRACK, boost::bind (&AudioMappingView::grid_scrolled, this));
161 _grid->Bind (wxEVT_SCROLLWIN_THUMBRELEASE, boost::bind (&AudioMappingView::grid_scrolled, this));
162 Bind (wxEVT_SIZE, boost::bind (&AudioMappingView::sized, this, _1));
165 _menu->Append (ID_off, _("Off"));
166 _menu->Append (ID_full, _("Full"));
167 _menu->Append (ID_minus6dB, _("-6dB"));
168 _menu->Append (ID_edit, _("Edit..."));
170 Bind (wxEVT_MENU, boost::bind (&AudioMappingView::off, this), ID_off);
171 Bind (wxEVT_MENU, boost::bind (&AudioMappingView::full, this), ID_full);
172 Bind (wxEVT_MENU, boost::bind (&AudioMappingView::minus6dB, this), ID_minus6dB);
173 Bind (wxEVT_MENU, boost::bind (&AudioMappingView::edit, this), ID_edit);
175 _left_labels->Bind (wxEVT_MOTION, bind (&AudioMappingView::mouse_moved_left_labels, this, _1));
178 /** Called when any gain value has changed */
180 AudioMappingView::map_values_changed ()
184 _last_tooltip_column = -1;
188 AudioMappingView::left_click (wxGridEvent& ev)
190 if (ev.GetCol() == 0) {
194 int const d = ev.GetCol() - 1;
196 if (_map.get (ev.GetRow(), d) > 0) {
197 _map.set (ev.GetRow(), d, 0);
199 _map.set (ev.GetRow(), d, 1);
202 map_values_changed ();
206 AudioMappingView::right_click (wxGridEvent& ev)
208 if (ev.GetCol() == 0) {
212 _menu_row = ev.GetRow ();
213 _menu_column = ev.GetCol ();
214 PopupMenu (_menu, ev.GetPosition ());
218 AudioMappingView::off ()
220 _map.set (_menu_row, _menu_column - 1, 0);
221 map_values_changed ();
225 AudioMappingView::full ()
227 _map.set (_menu_row, _menu_column - 1, 1);
228 map_values_changed ();
232 AudioMappingView::minus6dB ()
234 _map.set (_menu_row, _menu_column - 1, pow (10, -6.0 / 20));
235 map_values_changed ();
239 AudioMappingView::edit ()
241 int const d = _menu_column - 1;
243 AudioGainDialog* dialog = new AudioGainDialog (this, _menu_row, _menu_column - 1, _map.get (_menu_row, d));
244 if (dialog->ShowModal () == wxID_OK) {
245 _map.set (_menu_row, d, dialog->value ());
246 map_values_changed ();
253 AudioMappingView::set (AudioMapping map)
260 AudioMappingView::set_input_channels (vector<string> const & names)
262 for (int i = 0; i < _grid->GetNumberRows(); ++i) {
263 _grid->SetCellValue (i, 0, std_to_wx (names[i]));
268 AudioMappingView::set_output_channels (vector<string> const & names)
270 int const o = names.size() + 1;
271 if (o < _grid->GetNumberCols ()) {
272 _grid->DeleteCols (o, _grid->GetNumberCols() - o);
273 } else if (o > _grid->GetNumberCols ()) {
274 _grid->InsertCols (_grid->GetNumberCols(), o - _grid->GetNumberCols());
277 _grid->SetColLabelValue (0, wxT (""));
279 for (size_t i = 0; i < names.size(); ++i) {
280 _grid->SetColLabelValue (i + 1, std_to_wx (names[i]));
288 AudioMappingView::update_cells ()
290 vector<string> row_names;
291 for (int i = 0; i < _grid->GetNumberRows (); ++i) {
292 row_names.push_back (wx_to_std (_grid->GetCellValue (i, 0)));
295 if (_grid->GetNumberRows ()) {
296 _grid->DeleteRows (0, _grid->GetNumberRows ());
299 _grid->InsertRows (0, _map.input_channels ());
301 for (int i = 0; i < _map.input_channels(); ++i) {
302 for (int j = 0; j < _map.output_channels(); ++j) {
303 _grid->SetCellRenderer (i, j + 1, new ValueRenderer);
307 for (int i = 0; i < _map.input_channels(); ++i) {
308 if (i < int (row_names.size ())) {
309 _grid->SetCellValue (i, 0, std_to_wx (row_names[i]));
311 for (int j = 1; j < _grid->GetNumberCols(); ++j) {
312 _grid->SetCellValue (i, j, std_to_wx (locale_convert<string> (_map.get (i, j - 1))));
320 AudioMappingView::mouse_moved_grid (wxMouseEvent& ev)
324 _grid->CalcUnscrolledPosition (ev.GetX(), ev.GetY(), &xx, &yy);
326 int const row = _grid->YToRow (yy);
327 int const column = _grid->XToCol (xx);
329 if (row < 0 || column < 1) {
330 _grid->GetGridWindow()->SetToolTip ("");
331 _last_tooltip_row = row;
332 _last_tooltip_column = column;
335 if (row != _last_tooltip_row || column != _last_tooltip_column) {
338 float const gain = _map.get (row, column - 1);
340 s = wxString::Format (_("No audio will be passed from content channel %d to DCP channel %d."), row + 1, column);
341 } else if (gain == 1) {
342 s = wxString::Format (_("Audio will be passed from content channel %d to DCP channel %d unaltered."), row + 1, column);
344 float const dB = 20 * log10 (gain);
345 s = wxString::Format (_("Audio will be passed from content channel %d to DCP channel %d with gain %.1fdB."), row + 1, column, dB);
348 _grid->GetGridWindow()->SetToolTip (s + " " + _("Right click to change gain."));
349 _last_tooltip_row = row;
350 _last_tooltip_column = column;
357 AudioMappingView::sized (wxSizeEvent& ev)
364 AudioMappingView::setup_sizes ()
366 int const top_height = 24;
369 _left_labels->SetMinSize (wxSize (LEFT_WIDTH, _grid->GetSize().GetHeight()));
370 _top_labels->SetMinSize (wxSize (_grid->GetSize().GetWidth() + LEFT_WIDTH, top_height));
371 /* Try to make the _top_labels 'actual' size respect the minimum we just set */
373 _left_labels->Refresh ();
374 _top_labels->Refresh ();
378 AudioMappingView::paint_left_labels ()
380 wxPaintDC dc (_left_labels);
382 wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
388 _grid->CalcUnscrolledPosition (0, 0, &sx, &sy);
389 gc->Translate (0, -sy);
391 wxSize const size = dc.GetSize();
392 int const half = size.GetWidth() / 2;
394 gc->SetPen (wxPen (wxColour (0, 0, 0)));
395 gc->SetAntialiasMode (wxANTIALIAS_DEFAULT);
397 wxGraphicsPath lines = gc->CreatePath();
399 vector<pair<int, int> >::const_iterator i = _input_group_positions.begin();
400 if (i != _input_group_positions.end()) {
401 lines.MoveToPoint (half, i->first);
402 lines.AddLineToPoint (size.GetWidth(), i->first);
405 vector<Group>::const_iterator j = _input_groups.begin();
406 while (i != _input_group_positions.end() && j != _input_groups.end()) {
408 dc.SetClippingRegion (0, i->first + 2, size.GetWidth(), i->second - 4);
410 dc.SetFont (*wxSWISS_FONT);
412 wxCoord label_height;
413 dc.GetTextExtent (std_to_wx (j->name), &label_width, &label_height);
417 half + (half - label_height) / 2,
418 min (i->second, (i->second + i->first + label_width) / 2) - sy,
422 dc.DestroyClippingRegion ();
424 lines.MoveToPoint (half, i->second);
425 lines.AddLineToPoint (size.GetWidth(), i->second);
427 gc->StrokePath (lines);
434 dc.SetFont (wxSWISS_FONT->Bold());
435 wxCoord overall_label_width;
436 wxCoord overall_label_height;
437 dc.GetTextExtent (_("Content"), &overall_label_width, &overall_label_height);
440 (half - overall_label_height) / 2,
441 min (size.GetHeight(), (size.GetHeight() + _grid->GetColLabelSize() + overall_label_width) / 2 - sy),
449 AudioMappingView::paint_top_labels ()
451 wxPaintDC dc (_top_labels);
452 if (_grid->GetNumberCols() == 0) {
456 wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
462 _grid->CalcUnscrolledPosition (0, 0, &sx, &sy);
463 gc->Translate (-sx, 0);
465 wxSize const size = dc.GetSize();
467 gc->SetAntialiasMode (wxANTIALIAS_DEFAULT);
469 dc.SetFont (wxSWISS_FONT->Bold());
471 wxCoord label_height;
472 dc.GetTextExtent (_("DCP"), &label_width, &label_height);
474 dc.DrawText (_("DCP"), (size.GetWidth() + _grid->GetColSize(0) + LEFT_WIDTH - label_width) / 2 - sx, (size.GetHeight() - label_height) / 2);
476 gc->SetPen (wxPen (wxColour (0, 0, 0)));
477 wxGraphicsPath lines = gc->CreatePath();
478 lines.MoveToPoint (LEFT_WIDTH + _grid->GetColSize(0) - 1, 0);
479 lines.AddLineToPoint (LEFT_WIDTH + _grid->GetColSize(0) - 1, size.GetHeight());
480 lines.MoveToPoint (size.GetWidth() - 1, 0);
481 lines.AddLineToPoint (size.GetWidth() - 1, size.GetHeight());
482 gc->StrokePath (lines);
488 AudioMappingView::set_input_groups (vector<Group> const & groups)
490 if (_grid->GetNumberRows() == 0) {
494 _input_groups = groups;
495 _input_group_positions.clear ();
497 int ypos = _grid->GetColLabelSize() - 1;
498 BOOST_FOREACH (Group const & i, _input_groups) {
499 int const old_ypos = ypos;
500 ypos += (i.to - i.from + 1) * _grid->GetRowSize(0);
501 _input_group_positions.push_back (make_pair (old_ypos, ypos));
506 AudioMappingView::mouse_moved_left_labels (wxMouseEvent& event)
509 for (size_t i = 0; i < _input_group_positions.size(); ++i) {
510 if (_input_group_positions[i].first <= event.GetY() && event.GetY() < _input_group_positions[i].second) {
511 _left_labels->SetToolTip (_input_groups[i].name);
517 _left_labels->SetToolTip ("");
522 AudioMappingView::grid_scrolled ()
524 _left_labels->Refresh ();
525 _left_labels->Update ();
526 _top_labels->Refresh ();
527 _top_labels->Update ();