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>
41 using boost::shared_ptr;
43 #define INDICATOR_SIZE 16
52 class NoSelectionStringRenderer : public wxGridCellStringRenderer
55 void Draw (wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, const wxRect& rect, int row, int col, bool)
57 wxGridCellStringRenderer::Draw (grid, attr, dc, rect, row, col, false);
61 /** @class ValueRenderer
62 * @brief wxGridCellRenderer for a gain value.
64 class ValueRenderer : public wxGridCellRenderer
68 void Draw (wxGrid& grid, wxGridCellAttr &, wxDC& dc, const wxRect& rect, int row, int col, bool)
70 dc.SetPen (*wxThePenList->FindOrCreatePen (wxColour (255, 255, 255), 1, wxPENSTYLE_SOLID));
71 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (255, 255, 255), wxBRUSHSTYLE_SOLID));
72 dc.DrawRectangle (rect);
74 int const xo = (rect.GetWidth() - INDICATOR_SIZE) / 2;
75 int const yo = (rect.GetHeight() - INDICATOR_SIZE) / 2;
77 dc.SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
78 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (255, 255, 255), wxBRUSHSTYLE_SOLID));
79 dc.DrawRectangle (wxRect (rect.GetLeft() + xo, rect.GetTop() + yo, INDICATOR_SIZE, INDICATOR_SIZE));
81 float const value = raw_convert<float> (wx_to_std (grid.GetCellValue (row, col)));
82 float const value_dB = 20 * log10 (value);
85 if (value_dB > -range) {
86 height = INDICATOR_SIZE * (1 + value_dB / range);
89 height = max (0, height);
92 /* Make sure we get a little bit of the marker if there is any gain */
93 height = max (3, height);
96 dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (0, 255, 0), wxBRUSHSTYLE_SOLID));
97 dc.DrawRectangle (wxRect (rect.GetLeft() + xo, rect.GetTop() + yo + INDICATOR_SIZE - height, INDICATOR_SIZE, height));
100 wxSize GetBestSize (wxGrid &, wxGridCellAttr &, wxDC &, int, int)
102 return wxSize (INDICATOR_SIZE + 4, INDICATOR_SIZE + 4);
105 wxGridCellRenderer* Clone () const
107 return new ValueRenderer;
112 AudioMappingView::AudioMappingView (wxWindow* parent)
113 : wxPanel (parent, wxID_ANY)
116 , _last_tooltip_row (0)
117 , _last_tooltip_column (0)
119 _grid = new wxGrid (this, wxID_ANY);
121 _grid->CreateGrid (0, MAX_DCP_AUDIO_CHANNELS + 1);
122 _grid->HideRowLabels ();
123 _grid->DisableDragRowSize ();
124 _grid->DisableDragColSize ();
125 _grid->EnableEditing (false);
126 _grid->SetCellHighlightPenWidth (0);
127 _grid->SetDefaultRenderer (new NoSelectionStringRenderer);
130 _sizer = new wxBoxSizer (wxVERTICAL);
131 _sizer->Add (_grid, 1, wxEXPAND | wxALL);
132 SetSizerAndFit (_sizer);
134 Bind (wxEVT_GRID_CELL_LEFT_CLICK, boost::bind (&AudioMappingView::left_click, this, _1));
135 Bind (wxEVT_GRID_CELL_RIGHT_CLICK, boost::bind (&AudioMappingView::right_click, this, _1));
136 _grid->GetGridWindow()->Bind (wxEVT_MOTION, boost::bind (&AudioMappingView::mouse_moved, this, _1));
137 Bind (wxEVT_SIZE, boost::bind (&AudioMappingView::sized, this, _1));
140 _menu->Append (ID_off, _("Off"));
141 _menu->Append (ID_full, _("Full"));
142 _menu->Append (ID_minus6dB, _("-6dB"));
143 _menu->Append (ID_edit, _("Edit..."));
145 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&AudioMappingView::off, this), ID_off);
146 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&AudioMappingView::full, this), ID_full);
147 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&AudioMappingView::minus6dB, this), ID_minus6dB);
148 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&AudioMappingView::edit, this), ID_edit);
151 /** Called when any gain value has changed */
153 AudioMappingView::map_values_changed ()
157 _last_tooltip_column = -1;
161 AudioMappingView::left_click (wxGridEvent& ev)
163 if (ev.GetCol() == 0) {
167 int const d = ev.GetCol() - 1;
169 if (_map.get (ev.GetRow(), d) > 0) {
170 _map.set (ev.GetRow(), d, 0);
172 _map.set (ev.GetRow(), d, 1);
175 map_values_changed ();
179 AudioMappingView::right_click (wxGridEvent& ev)
181 if (ev.GetCol() == 0) {
185 _menu_row = ev.GetRow ();
186 _menu_column = ev.GetCol ();
187 PopupMenu (_menu, ev.GetPosition ());
191 AudioMappingView::off ()
193 _map.set (_menu_row, _menu_column - 1, 0);
194 map_values_changed ();
198 AudioMappingView::full ()
200 _map.set (_menu_row, _menu_column - 1, 1);
201 map_values_changed ();
205 AudioMappingView::minus6dB ()
207 _map.set (_menu_row, _menu_column - 1, pow (10, -6.0 / 20));
208 map_values_changed ();
212 AudioMappingView::edit ()
214 int const d = _menu_column - 1;
216 AudioGainDialog* dialog = new AudioGainDialog (this, _menu_row, _menu_column - 1, _map.get (_menu_row, d));
217 if (dialog->ShowModal () == wxID_OK) {
218 _map.set (_menu_row, d, dialog->value ());
219 map_values_changed ();
226 AudioMappingView::set (AudioMapping map)
233 AudioMappingView::set_input_channels (vector<string> const & names)
235 for (int i = 0; i < _grid->GetNumberRows(); ++i) {
236 _grid->SetCellValue (i, 0, std_to_wx (names[i]));
241 AudioMappingView::set_output_channels (vector<string> const & names)
243 int const o = names.size() + 1;
244 if (o < _grid->GetNumberCols ()) {
245 _grid->DeleteCols (o, _grid->GetNumberCols() - o);
246 } else if (o > _grid->GetNumberCols ()) {
247 _grid->InsertCols (_grid->GetNumberCols(), o - _grid->GetNumberCols());
250 _grid->SetColLabelValue (0, wxT (""));
252 for (size_t i = 0; i < names.size(); ++i) {
253 _grid->SetColLabelValue (i + 1, std_to_wx (names[i]));
260 AudioMappingView::update_cells ()
262 vector<string> row_names;
263 for (int i = 0; i < _grid->GetNumberRows (); ++i) {
264 row_names.push_back (wx_to_std (_grid->GetCellValue (i, 0)));
267 if (_grid->GetNumberRows ()) {
268 _grid->DeleteRows (0, _grid->GetNumberRows ());
271 _grid->InsertRows (0, _map.input_channels ());
273 for (int i = 0; i < _map.input_channels(); ++i) {
274 for (int j = 0; j < _map.output_channels(); ++j) {
275 _grid->SetCellRenderer (i, j + 1, new ValueRenderer);
279 for (int i = 0; i < _map.input_channels(); ++i) {
280 if (i < int (row_names.size ())) {
281 _grid->SetCellValue (i, 0, std_to_wx (row_names[i]));
283 for (int j = 1; j < _grid->GetNumberCols(); ++j) {
284 _grid->SetCellValue (i, j, std_to_wx (raw_convert<string> (_map.get (i, j - 1))));
292 AudioMappingView::mouse_moved (wxMouseEvent& ev)
296 _grid->CalcUnscrolledPosition (ev.GetX(), ev.GetY(), &xx, &yy);
298 int const row = _grid->YToRow (yy);
299 int const column = _grid->XToCol (xx);
301 if (row < 0 || column < 1) {
302 _grid->GetGridWindow()->SetToolTip ("");
303 _last_tooltip_row = row;
304 _last_tooltip_column = column;
307 if (row != _last_tooltip_row || column != _last_tooltip_column) {
310 float const gain = _map.get (row, column - 1);
312 s = wxString::Format (_("No audio will be passed from content channel %d to DCP channel %d."), row + 1, column);
313 } else if (gain == 1) {
314 s = wxString::Format (_("Audio will be passed from content channel %d to DCP channel %d unaltered."), row + 1, column);
316 float const dB = 20 * log10 (gain);
317 s = wxString::Format (_("Audio will be passed from content channel %d to DCP channel %d with gain %.1fdB."), row + 1, column, dB);
320 _grid->GetGridWindow()->SetToolTip (s + " " + _("Right click to change gain."));
321 _last_tooltip_row = row;
322 _last_tooltip_column = column;
329 AudioMappingView::sized (wxSizeEvent& ev)