AboutDialog.cpp

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  AboutDialog.cpp
 
  Dominic Mazzoni
  Vaughan Johnson
  James Crook
 
********************************************************************//*****************************************************************//********************************************************************/
 
 
 
#include "AboutDialog.h"
 
#include <wx/html/htmlwin.h>
#include <wx/hyperlink.h>
#include <wx/statbmp.h>
#include <wx/sstream.h>
#include <wx/txtstrm.h>
#include <wx/statbox.h>
#include <wx/stattext.h>
 
#include "FileNames.h"
#include "HelpText.h"
#include "ShuttleGui.h"
#include "HelpSystem.h"
#include "AccessibleLinksFormatter.h"
 
#include "AllThemeResources.h"
#include "Theme.h"
 
#include "../images/AudacityLogoWithName.xpm"
 
// Notice this is a "system include".  This is on purpose and only until
// we convert over to CMake.  Once converted, the "RevisionIndent.h" file
// should be deleted and this can be changed back to a user include if
// desired.
//
// RevisionIdent.h may contain #defines like these ones:
//#define REV_LONG "28864acb238cb3ca71dda190a2d93242591dd80e"
//#define REV_TIME "Sun Apr 12 12:40:22 2015 +0100"
#include "RevisionIdent.h"
 
#ifndef REV_TIME
#define REV_TIME "unknown date and time"
#endif
 
#ifdef REV_LONG
#define REV_IDENT wxString( "[[https://github.com/audacity/audacity/commit/" )+ REV_LONG + "|" + wxString( REV_LONG ).Left(6) + "]] of " +  REV_TIME 
#else
#define REV_IDENT (XO("No revision identifier was provided").Translation())
#endif
 
#if defined(HAS_SENTRY_REPORTING) || defined(HAVE_UPDATES_CHECK) || defined(USE_BREAKPAD)
#define HAS_PRIVACY_POLICY
#endif
 
// To substitute into many other translatable strings
static const auto ProgramName =
   //XO("Audacity");
   Verbatim("Audacity");
 
void AboutDialog::CreateCreditsList()
{
   const auto sysAdminFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, system administration");
   const auto coFounderFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, co-founder and developer");
  const auto designerFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, designer");
   const auto developerFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, developer");
   const auto developerAndSupprtFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, developer and support");
   const auto documentationAndSupportFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, documentation and support");
   const auto qaDocumentationAndSupportFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, QA tester, documentation and support");
   const auto documentationAndSupportFrenchFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, documentation and support, French");
   const auto qualityAssuranceFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, quality assurance");
   const auto accessibilityAdvisorFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, accessibility advisor");
   const auto graphicArtistFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, graphic artist");
   const auto composerFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, composer");
   const auto testerFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, tester");
   const auto NyquistPluginsFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, Nyquist plug-ins");
   const auto webDeveloperFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, web developer");
   const auto graphicsFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, graphics");
   const auto presetsFormat =
   /* i18n-hint: For "About Audacity..." credits, substituting a person's proper name */
      XO("%s, effects presets");
 
   // The Audacity Team: developers and support
   AddCredit(wxT("Antons \u010cinakovs"), testerFormat, roleTeamMember);
   AddCredit(wxT("Matthieu Hodgkinson"), developerFormat, roleTeamMember);
   AddCredit(wxT("Peter Jonas"), developerFormat, roleTeamMember);
   AddCredit(wxT("Martin Keary"), roleTeamMember);
   AddCredit(wxT("Sergey Lapysh"), testerFormat, roleTeamMember);
   AddCredit(wxT("Yana Larina"), roleTeamMember);
   AddCredit(wxT("Dilson's Pickles"), designerFormat, roleTeamMember);
   AddCredit(wxT("Anita Sudan"), roleTeamMember);
   AddCredit(wxT("Vitaly Sverchinsky"), developerFormat, roleTeamMember);
   AddCredit(wxT("Leo Wattenberg"), designerFormat, roleTeamMember);
   AddCredit(wxT("Jessica Williamson"), designerFormat, roleTeamMember);
   
   
   // Emeritus: people who were "lead developers" or made an
   // otherwise distinguished contribution, but who are no
   // longer active.
   AddCredit(wxT("Gale Andrews"), qualityAssuranceFormat, roleEmeritusTeam);
   AddCredit(wxT("Richard Ash"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Christian Brochec"),
      documentationAndSupportFrenchFormat, roleEmeritusTeam);
   AddCredit(wxT("Matt Brubeck"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Arturo \"Buanzo\" Busleiman"), sysAdminFormat, roleEmeritusTeam);
   AddCredit(wxT("Michael Chinen"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("James Crook"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Roger Dannenberg"), coFounderFormat, roleEmeritusTeam);
   AddCredit(wxT("Steve Daulton"), roleEmeritusTeam);
   AddCredit(wxT("Al Dimond"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Benjamin Drung"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Joshua Haberman"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Ruslan Ijbulatov"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Vaughan Johnson"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Greg Kozikowski"), documentationAndSupportFormat, roleEmeritusTeam);
   AddCredit(wxT("Paul Licameli"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Leland Lucius"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Dominic Mazzoni"), coFounderFormat, roleEmeritusTeam);
   AddCredit(wxT("Markus Meyer"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Monty Montgomery"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Shane Mueller"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Tony Oetzmann"), documentationAndSupportFormat, roleEmeritusTeam);
   AddCredit(wxT("Alexandre Prokoudine"), documentationAndSupportFormat, roleEmeritusTeam);
   AddCredit(wxT("Peter Sampson"), qaDocumentationAndSupportFormat, roleEmeritusTeam);
   AddCredit(wxT("Martyn Shaw"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Dmitry Vedenko"), developerFormat, roleEmeritusTeam);
   AddCredit(wxT("Bill Wharrie"), documentationAndSupportFormat, roleEmeritusTeam);
 
   // Contributors
   AddCredit(wxT("Lynn Allan"), developerFormat, roleContributor);
   AddCredit(wxT("Johan Althoff (teetow)"), designerFormat, roleContributor);
   AddCredit(wxT("Brian Armstrong"), developerFormat, roleContributor);
   AddCredit(wxT("David Avery"), developerFormat, roleContributor);
   AddCredit(wxT("David Bailes"), accessibilityAdvisorFormat, roleContributor);
   AddCredit(wxT("William Bland"), developerFormat, roleContributor);
   AddCredit(wxT("Sami Boukortt"), developerFormat, roleContributor);
   AddCredit(wxT("Jeremy R. Brown"), developerFormat, roleContributor);
   AddCredit(wxT("Alex S. Brown"), developerFormat, roleContributor);
   AddCredit(wxT("David Bryant"), developerFormat, roleContributor);
   AddCredit(wxT("Chris Cannam"), developerFormat, roleContributor);
   AddCredit(wxT("Subhradeep Chakraborty"), developerFormat, roleContributor);
   AddCredit(wxT("Cory Cook"), developerFormat, roleContributor);
   AddCredit(wxT("Craig DeForest"), developerFormat, roleContributor);
   AddCredit(wxT("Edgar Franke (Edgar-RFT)"), developerFormat, roleContributor);
   AddCredit(wxT("Anton Gerasimov"), developerFormat, roleContributor);
   AddCredit(wxT("Mitch Golden"), developerFormat, roleContributor);
   AddCredit(wxT("Brian Gunlogson"), developerFormat, roleContributor);
   AddCredit(wxT("Gonzalo Guzm\u00E1n"), documentationAndSupportFormat, roleContributor);
   AddCredit(wxT("Andrew Hallendorff"), developerFormat, roleContributor);
   AddCredit(wxT("Robert H\u00E4nggi"), developerFormat, roleContributor);
   AddCredit(wxT("Jouni Helminen"), designerFormat, roleContributor);
   AddCredit(wxT("Daniel Horgan"), developerFormat, roleContributor);
   AddCredit(wxT("David Hostetler"), developerFormat, roleContributor);
   AddCredit(wxT("Edward Hui"), developerFormat, roleContributor);
   AddCredit(wxT("Vladislav Isaev"), presetsFormat, roleContributor);
   AddCredit(wxT("Marek Iwaszkiewicz"), presetsFormat, roleContributor);
   AddCredit(wxT("Steve Jolly"), developerFormat, roleContributor);
   AddCredit(wxT("Steven Jones"), developerFormat, roleContributor);
   AddCredit(wxT("Henric Jungheim"), developerFormat, roleContributor);
   AddCredit(wxT("Myungchul Keum"), developerFormat, roleContributor);
   AddCredit(wxT("Arun Kishore"), developerFormat, roleContributor);
   AddCredit(wxT("Paul Livesey"), developerFormat, roleContributor);
   AddCredit(wxT("Harvey Lubin"), graphicArtistFormat, roleContributor);
   AddCredit(wxT("Max Maisel"), developerFormat, roleContributor);
   AddCredit(wxT("Pietro Marcello"), developerFormat, roleContributor);
   AddCredit(wxT("Greg Mekkes"), developerFormat, roleContributor);
   AddCredit(wxT("Abe Milde"), developerFormat, roleContributor);
   AddCredit(wxT("Ryan Miller"), testerFormat, roleContributor);
   AddCredit(wxT("Paul Nasca"), developerFormat, roleContributor);
   AddCredit(wxT("Clayton Otey"), developerFormat, roleContributor);
   AddCredit(wxT("Pavel Penikov"), testerFormat, roleContributor);
   AddCredit(wxT("Mark Phillips"), developerFormat, roleContributor);
   AddCredit(wxT("Andr\u00E9 Pinto"), developerFormat, roleContributor);
   AddCredit(wxT("Pokechu22"), developerFormat, roleContributor);
   AddCredit(wxT("Jean Claude Risset"), composerFormat, roleContributor);
   AddCredit(wxT("RuRo"), developerFormat, roleContributor);
   AddCredit(wxT("Augustus Saunders"), developerFormat, roleContributor);
   AddCredit(wxT("Benjamin Schwartz"), developerFormat, roleContributor);
   AddCredit(wxT("Cliff Scott"), testerFormat, roleContributor);
   AddCredit(wxT("David R. Sky"), NyquistPluginsFormat, roleContributor);
   AddCredit(wxT("Joe Souza"), developerFormat, roleContributor);
   AddCredit(wxT("K. Soze"), developerFormat, roleContributor);
   AddCredit(wxT("Rob Sykes"), developerFormat, roleContributor);
   AddCredit(wxT("Mike Underwood"), developerFormat, roleContributor);
   AddCredit(wxT("Philip Van Baren"), developerFormat, roleContributor);
   AddCredit(wxT("Salvo Ventura"), developerFormat, roleContributor);
   AddCredit(wxT("Darrell Walisser"), developerFormat, roleContributor);
   AddCredit(wxT("Jun Wan"), developerFormat, roleContributor);
   AddCredit(wxT("Daniel Winzen"), developerFormat, roleContributor);
   AddCredit(wxT("Tom Woodhams"), developerFormat, roleContributor);
   AddCredit(wxT("Mark Young"), developerFormat, roleContributor);
   AddCredit(wxT("Wing Yu"), developerFormat, roleContributor);
 
   // Website and Graphics
   AddCredit(wxT("Shinta Carolinasari"), webDeveloperFormat, roleGraphics);
   AddCredit(wxT("Bayu Rizaldhan Rayes"), graphicsFormat, roleGraphics);
 
   // Libraries
 
   AddCredit(wxT("[[https://libexpat.github.io/|expat]]"), roleLibrary);
   AddCredit(wxT("[[https://xiph.org/flac/|FLAC]]"), roleLibrary);
   AddCredit(wxT("[[http://lame.sourceforge.net/|LAME]]"), roleLibrary);
   AddCredit(wxT("[[http://www.mega-nerd.com/libsndfile/|libsndfile]]"), roleLibrary);
   AddCredit(wxT("[[https://sourceforge.net/p/soxr/wiki/Home/|libsoxr]]"), roleLibrary);
   AddCredit(
      XO("%s (incorporating %s, %s, %s, %s and %s)")
         .Format(
            "[[http://lv2plug.in/|lv2]]",
            "lilv",
            "msinttypes",
            "serd",
            "sord",
            "sratom"
         ).Translation(),
      roleLibrary);
   AddCredit(wxT("[[https://www.cs.cmu.edu/~music/nyquist/|Nyquist]]"), roleLibrary);
   AddCredit(wxT("[[https://xiph.org/vorbis/|Ogg Vorbis]]"), roleLibrary);
   AddCredit(wxT("[[http://www.portaudio.com/|PortAudio]]"), roleLibrary);
   AddCredit(wxT("[[http://www.portmedia.sourceforge.net/portmidi/|PortMidi]]"), roleLibrary);
   AddCredit(wxT("[[https://sourceforge.net/p/portmedia/wiki/portsmf/|portsmf]]"), roleLibrary);
   AddCredit(wxT("[[http://sbsms.sourceforge.net/|sbsms]]"), roleLibrary);
   AddCredit(wxT("[[https://www.surina.net/soundtouch/|SoundTouch]]"), roleLibrary);
   AddCredit(wxT("[[http://www.twolame.org/|TwoLAME]]"), roleLibrary);
   AddCredit(wxT("[[http://www.vamp-plugins.org/|Vamp]]"), roleLibrary);
   AddCredit(wxT("[[https://wxwidgets.org/|wxWidgets]]"), roleLibrary);
 
   // Thanks
 
   AddCredit(wxT("Dave Beydler"), roleThanks);
   AddCredit(wxT("Brian Cameron"), roleThanks);
   AddCredit(wxT("Jason Cohen"), roleThanks);
   AddCredit(wxT("Dave Fancella"), roleThanks);
   AddCredit(wxT("Steve Harris"), roleThanks);
   AddCredit(wxT("Daniel James"), roleThanks);
   AddCredit(wxT("Daniil Kolpakov"), roleThanks);
   AddCredit(wxT("Robert Leidle"), roleThanks);
   AddCredit(wxT("Logan Lewis"), roleThanks);
   AddCredit(wxT("David Luff"), roleThanks);
   AddCredit(wxT("Jason Pepas"), roleThanks);
   AddCredit(wxT("Jonathan Ryshpan"), roleThanks);
   AddCredit(wxT("Michael Schwendt"), roleThanks);
   AddCredit(wxT("Patrick Shirkey"), roleThanks);
   AddCredit(wxT("Tuomas Suutari"), roleThanks);
   AddCredit(wxT("Mark Tomlinson"), roleThanks);
   AddCredit(wxT("David Topper"), roleThanks);
   AddCredit(wxT("Rudy Trubitt"), roleThanks);
   AddCredit(wxT("StreetIQ.com"), roleThanks);
   AddCredit(wxT("UmixIt Technologies, LLC"), roleThanks);
   AddCredit(wxT("Verilogix, Inc."), roleThanks);
}
 
// ----------------------------------------------------------------------------
 
BEGIN_EVENT_TABLE(AboutDialog, wxDialogWrapper)
   EVT_BUTTON(wxID_OK, AboutDialog::OnOK)
END_EVENT_TABLE()
 
IMPLEMENT_CLASS(AboutDialog, wxDialogWrapper)
 
namespace {
   AboutDialog *sActiveInstance{};
}
 
AboutDialog *AboutDialog::ActiveIntance()
{
   return sActiveInstance;
}
 
AboutDialog::AboutDialog(wxWindow * parent)
   /* i18n-hint: information about the program */
   :  wxDialogWrapper(parent, -1, XO("About %s").Format( ProgramName ),
               wxDefaultPosition, wxDefaultSize,
               wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
{
   wxASSERT(!sActiveInstance);
   sActiveInstance = this;
 
   SetName();
   this->SetBackgroundColour(theTheme.Colour( clrAboutBoxBackground ));
   //this->SetBackgroundColour(theTheme.Colour( clrMedium ));
   icon = NULL;
   ShuttleGui S( this, eIsCreating );
   S.StartNotebook();
   {
      PopulateAudacityPage( S );
      PopulateInformationPage( S );
      PopulateLicensePage( S );
   }
   S.EndNotebook();
 
   S.Id(wxID_OK)
      .Prop(0)
      .AddButton(XXO("OK"), wxALIGN_CENTER, true);
 
   Layout();
   Fit();
   this->Centre();
}
 
#define ABOUT_DIALOG_WIDTH 506
 
void AboutDialog::PopulateAudacityPage( ShuttleGui & S )
{
   CreateCreditsList();
 
 
   /* i18n-hint: The translation of "translator_credits" will appear
    *  in the credits in the About Audacity window.  Use this to add
    *  your own name(s) to the credits.
    *
    *  For example:  "English translation by Dominic Mazzoni." */
   auto translatorCreditsMsgid = XO("translator_credits");
   auto translatorCredits = translatorCreditsMsgid.Translation();
   if ( translatorCredits == translatorCreditsMsgid.MSGID().GET() )
      // We're in an English locale
      translatorCredits.clear();
   else
      translatorCredits += wxT("<br>");
 
   wxStringOutputStream o;
   wxTextOutputStream informationStr( o );   // string to build up list of information in
   informationStr
      << wxT("<center>")
      << XO("<h3>")
      << ProgramName
      << wxT(" ")
      << wxString(AUDACITY_VERSION_STRING)
      << wxT("</center></h3>")
      /* i18n-hint: The program's name substitutes for %s */
      << XO("%s the free, open source, cross-platform software for recording and editing sounds.")
            .Format(ProgramName)
 
      << wxT("<h3>")
      << XO("Credits")
      << wxT("</h3>")
 
      << wxT("<p><b>")
      /* i18n-hint: The program's name substitutes for %s */
      << XO("%s Team Members").Format( ProgramName )
      << wxT("</b><br>")
      << GetCreditsByRole(roleTeamMember)
 
      << wxT("<p><b> ")
      << XO("Emeritus:")
      << wxT("</b><br>")
      /* i18n-hint: The program's name substitutes for %s */
      << XO("Distinguished %s Team members, not currently active")
         .Format( ProgramName )
      << wxT("<br><br>")
      << GetCreditsByRole(roleEmeritusTeam)
 
      << wxT("<p><b>")
      << XO("Contributors")
      << wxT("</b><br>")
      << GetCreditsByRole(roleContributor)
 
      << wxT("<p><b>")
      << XO("Website and Graphics")
      << wxT("</b><br>")
      << GetCreditsByRole(roleGraphics)
   ;
 
   if(!translatorCredits.empty()) informationStr
      << wxT("<p><b>")
      << XO("Translators")
      << wxT("</b><br>")
      << translatorCredits
   ;
 
   informationStr
      << wxT("<p><b>")
      << XO("Libraries")
      << wxT("</b><br>")
      /* i18n-hint: The program's name substitutes for %s */
      << XO("%s includes code from the following projects:").Format( ProgramName )
      << wxT("<br><br>")
      << GetCreditsByRole(roleLibrary)
 
      << wxT("<p><b>")
      << XO("Special thanks:")
      << wxT("</b><br>")
      << GetCreditsByRole(roleThanks)
 
      << wxT("<p><br>")
      /* i18n-hint: The program's name substitutes for %s */
      << XO("%s website: ").Format( ProgramName )
      << wxT("[[https://www.audacityteam.org/|https://www.audacityteam.org/]]")
 
      << wxT("<p><br>&nbsp; &nbsp; ")
      /* i18n-hint Audacity's name substitutes for first and third %s,
       and a "copyright" symbol for the second */
      << XO("%s software is copyright %s 1999-2024 %s Team.")
         .Format(
            Verbatim("<b>%s<sup>&reg;</sup></b>").Format( ProgramName ),
            wxT("&copy;"),
            ProgramName )
      << wxT("<br>")
 
      << wxT("&nbsp; &nbsp; ")
      /* i18n-hint Audacity's name substitutes for %s */
      << XO("The name %s is a registered trademark.")
         .Format( Verbatim("<b>%s</b>").Format( ProgramName ) )
      << wxT("<br><br>")
      << wxT("</center>")
   ;
 
   auto pPage = S.StartNotebookPage( ProgramName );
   S.StartVerticalLay(1);
   {
      //v For now, change to AudacityLogoWithName via old-fashioned way, not Theme.
      wxBitmap logo(AudacityLogoWithName_xpm); //v
 
      //Setup to scale the logo larger and smaller as necessary
      const float fScale = 1.0f;
      wxImage RescaledImage(logo.ConvertToImage());
      wxColour MainColour(
         RescaledImage.GetRed(1,1),
         RescaledImage.GetGreen(1,1),
         RescaledImage.GetBlue(1,1));
      pPage->SetBackgroundColour(MainColour);
      // wxIMAGE_QUALITY_HIGH not supported by wxWidgets 2.6.1, or we would use it here.
      RescaledImage.Rescale((int)(LOGOWITHNAME_WIDTH * fScale), (int)(LOGOWITHNAME_HEIGHT *fScale));
      wxBitmap RescaledBitmap(RescaledImage);
 
      icon =
         safenew wxStaticBitmap(S.GetParent(), -1,
         //*logo, //v
         //v theTheme.Bitmap(bmpAudacityLogo), wxPoint(93, 10), wxSize(215, 190));
         //v theTheme.Bitmap(bmpAudacityLogoWithName),
         RescaledBitmap,
         wxDefaultPosition,
         wxSize((int)(LOGOWITHNAME_WIDTH*fScale), (int)(LOGOWITHNAME_HEIGHT*fScale)));
   }
   S.Prop(0).AddWindow( icon );
 
   HtmlWindow *html = safenew LinkingHtmlWindow(S.GetParent(), -1,
                                         wxDefaultPosition,
                                         wxSize(ABOUT_DIALOG_WIDTH, 359),
                                         wxHW_SCROLLBAR_AUTO);
   html->SetPage( FormatHtmlText( o.GetString() ) );
 
   /* locate the html renderer where it fits in the dialogue */
   S.Prop(1).Position( wxEXPAND ).Focus()
      .AddWindow( html );
 
   S.EndVerticalLay();
   S.EndNotebookPage();
}
 
 
void AboutDialog::PopulateInformationPage( ShuttleGui & S )
{
   wxStringOutputStream o;
   wxTextOutputStream informationStr( o );   // string to build up list of information in
   S.StartNotebookPage( XO("Build Information") );  // start the tab
   S.StartVerticalLay(2);  // create the window
   HtmlWindow *html = safenew LinkingHtmlWindow(S.GetParent(), -1, wxDefaultPosition,
                           wxSize(ABOUT_DIALOG_WIDTH, 264),
                           wxHW_SCROLLBAR_AUTO );
   // create a html pane in it to put the content in.
   auto enabled = XO("Enabled");
   auto disabled = XO("Disabled");
   wxString blank;
 
   /* this builds up the list of information to go in the window in the string
    * informationStr */
 
   informationStr
      << wxT("<h3>")
   /* i18n-hint: Information about when audacity was compiled follows */
      << XO("The Build")
      << wxT("</h3>\n<table>"); // start build info table
 
   // Current date
   AddBuildinfoRow(&informationStr, XO("Program build date:"), __TDATE__);
   AddBuildinfoRow(&informationStr, XO("Commit Id:"), REV_IDENT );
 
   auto buildType =
#ifdef _DEBUG
      XO("Debug build (debug level %d)").Format(wxDEBUG_LEVEL);
#else
      XO("Release build (debug level %d)").Format(wxDEBUG_LEVEL);
#endif
   ;
   if( (sizeof(void*) == 8) ) {
      buildType = XO("%s, 64 bits").Format( buildType );
   } else {
      buildType = XO("%s, 32 bits").Format( buildType );
   }
// Remove this once the transition to CMake is complete
#if defined(CMAKE)
   buildType = Verbatim("CMake %s").Format( buildType );
#endif
 
   AddBuildinfoRow(&informationStr, XO("Build type:"), buildType.Translation());
 
#ifdef _MSC_FULL_VER
   AddBuildinfoRow(&informationStr, XO("Compiler:"),
      wxString::Format(wxT("MSVC %02d.%02d.%05d.%02d"), _MSC_VER / 100, _MSC_VER % 100, _MSC_FULL_VER % 100000, _MSC_BUILD));
#endif
 
#ifdef __GNUC_PATCHLEVEL__
#ifdef __MINGW32__
   AddBuildinfoRow(&informationStr, XO("Compiler:"), wxT("MinGW ") wxMAKE_VERSION_DOT_STRING_T(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__));
#else
   AddBuildinfoRow(&informationStr, XO("Compiler:"), wxT("GCC ") wxMAKE_VERSION_DOT_STRING_T(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__));
#endif
#endif
 
#ifdef __clang_version__
   AddBuildinfoRow(&informationStr, XO("Compiler:"), wxT("clang ") __clang_version__);
#endif
 
   // Install prefix
#ifdef __WXGTK__
   /* i18n-hint: The directory audacity is installed into (on *nix systems) */
   AddBuildinfoRow(&informationStr, XO("Installation Prefix:"), \
         wxT(INSTALL_PREFIX));
#endif
 
   // Location of cache
   AddBuildinfoRow(&informationStr, XO("Cache folder:"), \
      FileNames::CacheDir());
   // Location of settings
   AddBuildinfoRow(&informationStr, XO("Settings folder:"), \
      FileNames::ConfigDir());
   // Location of data
   AddBuildinfoRow(&informationStr, XO("Data folder:"), \
      FileNames::DataDir());
   // Location of data
   AddBuildinfoRow(&informationStr, XO("State folder:"), \
      FileNames::StateDir());
 
   informationStr << wxT("</table>\n"); // end of build info table
 
 
   informationStr
      << wxT("<h3>")
      /* i18n-hint: Libraries that are essential to audacity */
      << XO("Core Libraries")
      << wxT("</h3>\n<table>");  // start table of core libraries
 
   AddBuildinfoRow(&informationStr, wxT("wxWidgets"),
         XO("Cross-platform GUI library"), Verbatim(wxVERSION_NUM_DOT_STRING_T));
 
   AddBuildinfoRow(&informationStr, wxT("PortAudio"),
         XO("Audio playback and recording"), Verbatim(wxT("v19")));
 
   AddBuildinfoRow(&informationStr, wxT("libsoxr"),
         XO("Sample rate conversion"), enabled);
 
   informationStr << wxT("</table>\n"); // end table of core libraries
 
   informationStr
      << wxT("<h3>")
      << XO("File Format Support")
      << wxT("</h3>\n<p>");
 
   informationStr
      << wxT("<table>");   // start table of file formats supported
 
   #if defined(USE_LIBMPG123)
   AddBuildinfoRow(&informationStr, wxT("libmpg123"), XO("MP3 Import"), enabled);
   #else
   AddBuildinfoRow(&informationStr, wxT("libmpg123"), XO("MP3 Import"), disabled);
   #endif
 
   #if USE_LIBMP3LAME
   AddBuildinfoRow(
      &informationStr, wxT("libmp3lame"),
      /* i18n-hint: LAME is the codec name. This name should not be translated
       */
      XO("MP3 Export"), enabled);
   #else
   AddBuildinfoRow(
      &informationStr, wxT("libopus"),
      /* i18n-hint: Opus is the codec name. This name should not be translated
       */
      XO("Opus Import and Export"), disabled);
   #endif
 
   #ifdef USE_LIBVORBIS
   AddBuildinfoRow(&informationStr, wxT("libvorbis"),
   /* i18n-hint: Ogg is the container format. Vorbis is the compression codec.
    * Both are proper nouns and shouldn't be translated */
         XO("Ogg Vorbis Import and Export"), enabled);
   #else
   AddBuildinfoRow(&informationStr, wxT("libvorbis"),
         XO("Ogg Vorbis Import and Export"), disabled);
   #endif
 
   #if USE_LIBVORBIS && USE_LIBOPUS && USE_OPUSFILE
   AddBuildinfoRow(
      &informationStr, wxT("libopus"),
      /* i18n-hint: Opus is the codec name. This name should not be translated */
      XO("Opus Import and Export"), enabled);
   #else
   AddBuildinfoRow(
      &informationStr, wxT("libopus"),
      /* i18n-hint: Opus is the codec name. This name should not be translated
       */
      XO("Opus Import and Export"), disabled);
   #endif
 
   #ifdef USE_LIBID3TAG
   AddBuildinfoRow(&informationStr, wxT("libid3tag"), XO("ID3 tag support"),
         enabled);
   #else
   AddBuildinfoRow(&informationStr, wxT("libid3tag"), XO("ID3 tag support"),
         disabled);
   #endif
 
   # if USE_LIBFLAC
   /* i18n-hint: FLAC stands for Free Lossless Audio Codec, but is effectively
    * a proper noun and so shouldn't be translated */
   AddBuildinfoRow(&informationStr, wxT("libflac"), XO("FLAC import and export"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("libflac"), XO("FLAC import and export"),
         disabled);
   # endif
 
   # if USE_LIBTWOLAME
   AddBuildinfoRow(&informationStr, wxT("libtwolame"), XO("MP2 export"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("libtwolame"), XO("MP2 export"),
         disabled);
   # endif
 
   #ifdef USE_FFMPEG
   AddBuildinfoRow(&informationStr, wxT("ffmpeg"), XO("FFmpeg Import/Export"), enabled);
   #else
   AddBuildinfoRow(&informationStr, wxT("ffmpeg"), XO("FFmpeg Import/Export"), disabled);
   #endif
 
   informationStr << wxT("</table>\n");  //end table of file formats supported
 
   informationStr
      << wxT("<h3>")
      << XO("Features")
      << wxT("</h3>\n<table>");  // start table of features
 
   # if USE_NYQUIST
   AddBuildinfoRow(&informationStr, wxT("Nyquist"), XO("Plug-in support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("Nyquist"), XO("Plug-in support"),
         disabled);
   # endif
 
   # if USE_LADSPA
   AddBuildinfoRow(&informationStr, wxT("LADSPA"), XO("Plug-in support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("LADSPA"), XO("Plug-in support"),
         disabled);
   # endif
 
   # if USE_VAMP
   AddBuildinfoRow(&informationStr, wxT("Vamp"), XO("Plug-in support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("Vamp"), XO("Plug-in support"),
         disabled);
   # endif
 
   # if USE_AUDIO_UNITS
   AddBuildinfoRow(&informationStr, wxT("Audio Units"), XO("Plug-in support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("Audio Units"), XO("Plug-in support"),
         disabled);
   # endif
 
   # if USE_VST
   AddBuildinfoRow(&informationStr, wxT("VST"), XO("Plug-in support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("VST"), XO("Plug-in support"),
         disabled);
   # endif
 
   # if USE_LV2
   AddBuildinfoRow(&informationStr, wxT("LV2"), XO("Plug-in support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("LV2"), XO("Plug-in support"),
         disabled);
   # endif
 
   # if USE_PORTMIXER
   AddBuildinfoRow(&informationStr, wxT("PortMixer"), XO("Sound card mixer support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("PortMixer"), XO("Sound card mixer support"),
         disabled);
   # endif
 
   # if USE_SOUNDTOUCH
   AddBuildinfoRow(&informationStr, wxT("SoundTouch"), XO("Pitch and Tempo Change support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("SoundTouch"), XO("Pitch and Tempo Change support"),
         disabled);
   # endif
 
   # if USE_SBSMS
   AddBuildinfoRow(&informationStr, wxT("SBSMS"), XO("Extreme Pitch and Tempo Change support"),
         enabled);
   # else
   AddBuildinfoRow(&informationStr, wxT("SBSMS"), XO("Extreme Pitch and Tempo Change support"),
         disabled);
   # endif
 
   informationStr << wxT("</table>\n");   // end of table of features
 
   html->SetPage( FormatHtmlText( o.GetString() ) );   // push the page into the html renderer
   S.Prop(2)
      .Position( wxEXPAND )
      .AddWindow( html ); // make it fill the page
   // I think the 2 here goes with the StartVerticalLay() call above?
   S.EndVerticalLay();     // end window
   S.EndNotebookPage(); // end the tab
}
 
 
const wxString GPL_TEXT();
 
void AboutDialog::PopulateLicensePage( ShuttleGui & S )
{
#if defined(HAS_PRIVACY_POLICY)
   S.StartNotebookPage(XC("Legal", "about dialog"));
#else
   S.StartNotebookPage(XO("GPL License"));
#endif
   
#if defined(HAS_PRIVACY_POLICY)
   S.Prop(0).StartPanel();
   {
      S.AddSpace(0, 8);
      /* i18n-hint: For "About Audacity...": Title for Privacy Policy section */
      S.AddVariableText(XC("PRIVACY POLICY", "about dialog"), true);
 
      S.AddFixedText(
         XO("App update checking and error reporting require network access. "
            "These features are optional."));
 
      /* i18n-hint: %s will be replaced with "our Privacy Policy" */
      AccessibleLinksFormatter privacyPolicy(XO("See %s for more info."));
 
      privacyPolicy.FormatLink(
         /* i18n-hint: Title of hyperlink to the privacy policy. This is an object of "See". */
         wxT("%s"), XO("our Privacy Policy"),
         "https://www.audacityteam.org/about/desktop-privacy-notice/");
 
      privacyPolicy.Populate(S);
   }
   S.EndPanel();
 
   S.AddSpace(0, 8);
#endif
 
   S.Prop(1).StartPanel();
   {
      HtmlWindow* html = safenew LinkingHtmlWindow(
         S.GetParent(), -1, wxDefaultPosition, wxSize(ABOUT_DIALOG_WIDTH, 264),
         wxHW_SCROLLBAR_AUTO );
 
      html->SetPage(FormatHtmlText(GPL_TEXT()));
 
      S.Prop(1).Position(wxEXPAND).AddWindow( html );
   }
   S.EndPanel();
 
   S.EndNotebookPage();
}
 
void AboutDialog::AddCredit( const wxString &name, Role role )
{
   AddCredit( name, {}, role );
}
 
void AboutDialog::AddCredit(
   const wxString &name, TranslatableString format, Role role )
{
   auto str = format.empty()
      ? Verbatim( name )
      : TranslatableString{ format }.Format( name );
   creditItems.emplace_back(std::move(str), role);
}
 
wxString AboutDialog::GetCreditsByRole(AboutDialog::Role role)
{
   wxString s;
 
   for (const auto &item : creditItems)
   {
      if (item.role == role)
      {
         s += item.description.Translation();
         s += wxT("<br>");
      }
   }
 
   // Strip last <br>, if any
   if (s.Right(4) == wxT("<br>"))
      s = s.Left(s.length() - 4);
 
   return s;
}
 
void AboutDialog::AddBuildinfoRow(
   wxTextOutputStream *str, const wxChar * libname,
   const TranslatableString &libdesc, const TranslatableString &status)
{
   *str
      << wxT("<tr><td>")
      << libname
      << wxT("</td><td>(")
      << libdesc
      << wxT(")</td><td>")
      << status
      << wxT("</td></tr>");
}
 
void AboutDialog::AddBuildinfoRow(
   wxTextOutputStream *str,
   const TranslatableString &description, const wxChar *spec)
{
   *str
      << wxT("<tr><td>")
      << description
      << wxT("</td><td>")
      << spec
      << wxT("</td></tr>");
}
 
AboutDialog::~AboutDialog()
{
   sActiveInstance = {};
}
 
void AboutDialog::OnOK(wxCommandEvent & WXUNUSED(event))
{
#ifdef __WXMAC__
   Destroy();
#else
   EndModal(wxID_OK);
#endif
}