2 Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
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.
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.
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.
20 /** @file src/wx/audio_mapping_view.cc
21 * @brief AudioMappingView class and helpers.
24 #include "lib/audio_mapping.h"
26 #include "lib/raw_convert.h"
27 #include "audio_mapping_view.h"
29 #include "audio_gain_dialog.h"
30 #include <dcp/types.h>
32 #include <wx/renderer.h>
34 #include <boost/lexical_cast.hpp>
42 using boost::shared_ptr;
43 using boost::lexical_cast;
45 #define INDICATOR_SIZE 16
54 class NoSelectionStringRenderer : public wxGridCellStringRenderer
57 void Draw (wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, const wxRect& rect, int row, int col, bool)
59 wxGridCellStringRenderer::Draw (grid, attr, dc, rect, row, col, false);
63 /** @class ValueRenderer
64 * @brief wxGridCellRenderer for a gain value.
66 class ValueRenderer : public wxGridCellRenderer
70 void Draw (wxGrid& grid, wxGridCellAttr &, wxDC& dc, const wxRect& rect, int row, int col, bool)
72 dc.SetPen (*wxThePenList->FindOrCreatePen (wxColour (255, 255, 255), 1, wxPENSTYLE_SOLID));
73 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (255, 255, 255), wxBRUSHSTYLE_SOLID));
74 dc.DrawRectangle (rect);
76 int const xo = (rect.GetWidth() - INDICATOR_SIZE) / 2;
77 int const yo = (rect.GetHeight() - INDICATOR_SIZE) / 2;
79 dc.SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
80 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (255, 255, 255), wxBRUSHSTYLE_SOLID));
81 dc.DrawRectangle (wxRect (rect.GetLeft() + xo, rect.GetTop() + yo, INDICATOR_SIZE, INDICATOR_SIZE));
83 float const value = raw_convert<float> (wx_to_std (grid.GetCellValue (row, col)));
84 float const value_dB = 20 * log10 (value);
87 if (value_dB > -range) {
88 height = INDICATOR_SIZE * (1 + value_dB / range);
91 height = max (0, height);
94 /* Make sure we get a little bit of the marker if there is any gain */
95 height = max (3, height);
98 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (0, 255, 0), wxBRUSHSTYLE_SOLID));
99 dc.DrawRectangle (wxRect (rect.GetLeft() + xo, rect.GetTop() + yo + INDICATOR_SIZE - height, INDICATOR_SIZE, height));
102 wxSize GetBestSize (wxGrid &, wxGridCellAttr &, wxDC &, int, int)
104 return wxSize (INDICATOR_SIZE + 4, INDICATOR_SIZE + 4);
107 wxGridCellRenderer* Clone () const
109 return new ValueRenderer;
114 AudioMappingView::AudioMappingView (wxWindow* parent)
115 : wxPanel (parent, wxID_ANY)
118 , _last_tooltip_row (0)
119 , _last_tooltip_column (0)
121 _grid = new wxGrid (this, wxID_ANY);
123 _grid->CreateGrid (0, MAX_DCP_AUDIO_CHANNELS + 1);
124 _grid->HideRowLabels ();
125 _grid->DisableDragRowSize ();
126 _grid->DisableDragColSize ();
127 _grid->EnableEditing (false);
128 _grid->SetCellHighlightPenWidth (0);
129 _grid->SetDefaultRenderer (new NoSelectionStringRenderer);
132 _sizer = new wxBoxSizer (wxVERTICAL);
133 _sizer->Add (_grid, 1, wxEXPAND | wxALL);
134 SetSizerAndFit (_sizer);
136 Bind (wxEVT_GRID_CELL_LEFT_CLICK, boost::bind (&AudioMappingView::left_click, this, _1));
137 Bind (wxEVT_GRID_CELL_RIGHT_CLICK, boost::bind (&AudioMappingView::right_click, this, _1));
138 _grid->GetGridWindow()->Bind (wxEVT_MOTION, boost::bind (&AudioMappingView::mouse_moved, this, _1));
139 Bind (wxEVT_SIZE, boost::bind (&AudioMappingView::sized, this, _1));
142 _menu->Append (ID_off, _("Off"));
143 _menu->Append (ID_full, _("Full"));
144 _menu->Append (ID_minus6dB, _("-6dB"));
145 _menu->Append (ID_edit, _("Edit..."));
147 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&AudioMappingView::off, this), ID_off);
148 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&AudioMappingView::full, this), ID_full);
149 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&AudioMappingView::minus6dB, this), ID_minus6dB);
150 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&AudioMappingView::edit, this), ID_edit);
153 /** Called when any gain value has changed */
155 AudioMappingView::map_values_changed ()
159 _last_tooltip_column = -1;
163 AudioMappingView::left_click (wxGridEvent& ev)
165 if (ev.GetCol() == 0) {
169 int const d = ev.GetCol() - 1;
171 if (_map.get (ev.GetRow(), d) > 0) {
172 _map.set (ev.GetRow(), d, 0);
174 _map.set (ev.GetRow(), d, 1);
177 map_values_changed ();
181 AudioMappingView::right_click (wxGridEvent& ev)
183 if (ev.GetCol() == 0) {
187 _menu_row = ev.GetRow ();
188 _menu_column = ev.GetCol ();
189 PopupMenu (_menu, ev.GetPosition ());
193 AudioMappingView::off ()
195 _map.set (_menu_row, _menu_column - 1, 0);
196 map_values_changed ();
200 AudioMappingView::full ()
202 _map.set (_menu_row, _menu_column - 1, 1);
203 map_values_changed ();
207 AudioMappingView::minus6dB ()
209 _map.set (_menu_row, _menu_column - 1, pow (10, -6.0 / 20));
210 map_values_changed ();
214 AudioMappingView::edit ()
216 int const d = _menu_column - 1;
218 AudioGainDialog* dialog = new AudioGainDialog (this, _menu_row, _menu_column - 1, _map.get (_menu_row, d));
219 if (dialog->ShowModal () == wxID_OK) {
220 _map.set (_menu_row, d, dialog->value ());
221 map_values_changed ();
228 AudioMappingView::set (AudioMapping map)
235 AudioMappingView::set_input_channels (vector<string> const & names)
237 for (int i = 0; i < _grid->GetNumberRows(); ++i) {
238 _grid->SetCellValue (i, 0, std_to_wx (names[i]));
243 AudioMappingView::set_output_channels (vector<string> const & names)
245 int const o = names.size() + 1;
246 if (o < _grid->GetNumberCols ()) {
247 _grid->DeleteCols (o, _grid->GetNumberCols() - o);
248 } else if (o > _grid->GetNumberCols ()) {
249 _grid->InsertCols (_grid->GetNumberCols(), o - _grid->GetNumberCols());
252 _grid->SetColLabelValue (0, wxT (""));
254 for (size_t i = 0; i < names.size(); ++i) {
255 _grid->SetColLabelValue (i + 1, std_to_wx (names[i]));
262 AudioMappingView::update_cells ()
264 vector<string> row_names;
265 for (int i = 0; i < _grid->GetNumberRows (); ++i) {
266 row_names.push_back (wx_to_std (_grid->GetCellValue (i, 0)));
269 if (_grid->GetNumberRows ()) {
270 _grid->DeleteRows (0, _grid->GetNumberRows ());
273 _grid->InsertRows (0, _map.input_channels ());
275 for (int i = 0; i < _map.input_channels(); ++i) {
276 for (int j = 0; j < _map.output_channels(); ++j) {
277 _grid->SetCellRenderer (i, j + 1, new ValueRenderer);
281 for (int i = 0; i < _map.input_channels(); ++i) {
282 if (i < int (row_names.size ())) {
283 _grid->SetCellValue (i, 0, std_to_wx (row_names[i]));
285 for (int j = 1; j < _grid->GetNumberCols(); ++j) {
286 _grid->SetCellValue (i, j, std_to_wx (raw_convert<string> (_map.get (i, j - 1))));
294 AudioMappingView::mouse_moved (wxMouseEvent& ev)
298 _grid->CalcUnscrolledPosition (ev.GetX(), ev.GetY(), &xx, &yy);
300 int const row = _grid->YToRow (yy);
301 int const column = _grid->XToCol (xx);
303 if (row < 0 || column < 1) {
304 _grid->GetGridWindow()->SetToolTip ("");
305 _last_tooltip_row = row;
306 _last_tooltip_column = column;
309 if (row != _last_tooltip_row || column != _last_tooltip_column) {
312 float const gain = _map.get (row, column - 1);
314 s = wxString::Format (_("No audio will be passed from content channel %d to DCP channel %d."), row + 1, column);
315 } else if (gain == 1) {
316 s = wxString::Format (_("Audio will be passed from content channel %d to DCP channel %d unaltered."), row + 1, column);
318 float const dB = 20 * log10 (gain);
319 s = wxString::Format (_("Audio will be passed from content channel %d to DCP channel %d with gain %.1fdB."), row + 1, column, dB);
322 _grid->GetGridWindow()->SetToolTip (s + " " + _("Right click to change gain."));
323 _last_tooltip_row = row;
324 _last_tooltip_column = column;
331 AudioMappingView::sized (wxSizeEvent& ev)