2c5c0f9dfd
... And construction of the main instance is hoisted into AudacityApp
401 lines
9.7 KiB
C++
Executable File
401 lines
9.7 KiB
C++
Executable File
/**********************************************************************
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Audacity: A Digital Audio Editor
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Prefs.cpp
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Dominic Mazzoni
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*******************************************************************//*!
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\file Prefs.cpp
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\brief Utility functions for working with our wxConf (gPrefs)
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Audacity uses wxWidgets' wxConfig class to handle preferences.
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See Prefs.h for more information on how it works...
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\verbatim
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Note: The info below is very outdated and incomplete
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Preference field specification:
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/
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Version - Audacity Version that created these prefs
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DefaultOpenPath - Default directory for NEW file selector
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/FileFormats
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CopyOrEditUncompressedData - Copy data from uncompressed files or
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[ "copy", "edit"] - edit in place?
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ExportFormat_SF1 - Format to export PCM data in
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(this number is a libsndfile1.0 format)
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/SamplingRate
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DefaultProjectSampleRate- New projects will have this rate
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[ 8000, 11025, 16000, 22050, 44100, 48000 ]
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/AudioIO
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PlaybackDevice - device to use for playback
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RecordingDevice - device to use for recording
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(these are device names understood by PortAudio)
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/Display
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WaveformColor - 0xRRGGBB --since it will be stored in
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ShadowColor - decimal, it will be somewhat
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SpectrumLowColor - non-intuitive to edit, but
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SpectrumHighColor - much easier to parse.
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/Locale
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Language - two-letter language code for translations
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(*): wxGTK
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(+): wxWin
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($): wxMac
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\endverbatim
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*//*******************************************************************/
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#include "Audacity.h"
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#include "Prefs.h"
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#include <wx/defs.h>
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#include <wx/app.h>
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#include <wx/intl.h>
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#include <wx/filename.h>
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#include <wx/stdpaths.h>
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#include "Internat.h"
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#include "MemoryX.h"
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std::unique_ptr<FileConfig> ugPrefs {};
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FileConfig *gPrefs = nullptr;
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int gMenusDirty = 0;
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wxDEFINE_EVENT(EVT_PREFS_UPDATE, wxCommandEvent);
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struct PrefsListener::Impl : wxEvtHandler
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{
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Impl( PrefsListener &owner );
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~Impl();
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void OnEvent(wxCommandEvent&);
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PrefsListener &mOwner;
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};
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PrefsListener::Impl::Impl( PrefsListener &owner )
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: mOwner{ owner }
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{
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wxTheApp->Bind(EVT_PREFS_UPDATE, &PrefsListener::Impl::OnEvent, this);
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}
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PrefsListener::Impl::~Impl()
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{
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}
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PrefsListener::PrefsListener()
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: mpImpl{ std::make_unique<Impl>( *this ) }
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{
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}
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PrefsListener::~PrefsListener()
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{
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}
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void PrefsListener::UpdateSelectedPrefs( int )
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{
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}
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void PrefsListener::Impl::OnEvent( wxCommandEvent &evt )
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{
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evt.Skip();
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auto id = evt.GetId();
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if (id <= 0)
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mOwner.UpdatePrefs();
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else
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mOwner.UpdateSelectedPrefs( id );
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}
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#if 0
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// Copy one entry from one wxConfig object to another
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static void CopyEntry(wxString path, wxConfigBase *src, wxConfigBase *dst, wxString entry)
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{
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switch(src->GetEntryType(entry)) {
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case wxConfigBase::Type_Unknown:
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case wxConfigBase::Type_String: {
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wxString value = src->Read(entry, wxT(""));
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dst->Write(path + entry, value);
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break;
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}
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case wxConfigBase::Type_Boolean: {
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bool value = false;
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src->Read(entry, &value, value);
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dst->Write(path + entry, value);
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break;
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}
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case wxConfigBase::Type_Integer: {
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long value = false;
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src->Read(entry, &value, value);
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dst->Write(path + entry, value);
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break;
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}
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case wxConfigBase::Type_Float: {
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double value = false;
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src->Read(entry, &value, value);
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dst->Write(path + entry, value);
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break;
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}
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}
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}
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// Recursive routine to copy all groups and entries from one wxConfig object to another
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static void CopyEntriesRecursive(wxString path, wxConfigBase *src, wxConfigBase *dst)
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{
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wxString entryName;
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long entryIndex;
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bool entryKeepGoing;
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entryKeepGoing = src->GetFirstEntry(entryName, entryIndex);
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while (entryKeepGoing) {
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CopyEntry(path, src, dst, entryName);
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entryKeepGoing = src->GetNextEntry(entryName, entryIndex);
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}
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wxString groupName;
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long groupIndex;
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bool groupKeepGoing;
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groupKeepGoing = src->GetFirstGroup(groupName, groupIndex);
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while (groupKeepGoing) {
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wxString subPath = path+groupName+wxT("/");
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src->SetPath(subPath);
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CopyEntriesRecursive(subPath, src, dst);
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src->SetPath(path);
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groupKeepGoing = src->GetNextGroup(groupName, groupIndex);
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}
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}
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#endif
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void InitPreferences( std::unique_ptr<FileConfig> uPrefs )
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{
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gPrefs = uPrefs.get();
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ugPrefs = std::move(uPrefs);
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wxConfigBase::Set(gPrefs);
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}
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void FinishPreferences()
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{
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if (gPrefs) {
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wxConfigBase::Set(NULL);
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ugPrefs.reset();
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gPrefs = NULL;
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}
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}
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//////////
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EnumValueSymbols::EnumValueSymbols(
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ByColumns_t,
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const TranslatableStrings &msgids,
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wxArrayStringEx internals
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)
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: mInternals( std::move( internals ) )
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{
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auto size = mInternals.size(), size2 = msgids.size();
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if ( size != size2 ) {
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wxASSERT( false );
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size = std::min( size, size2 );
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}
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reserve( size );
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auto iter1 = mInternals.begin();
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auto iter2 = msgids.begin();
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while( size-- )
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emplace_back( *iter1++, *iter2++ );
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}
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const TranslatableStrings &EnumValueSymbols::GetMsgids() const
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{
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if ( mMsgids.empty() )
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mMsgids = transform_container<TranslatableStrings>( *this,
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std::mem_fn( &EnumValueSymbol::Msgid ) );
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return mMsgids;
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}
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const wxArrayStringEx &EnumValueSymbols::GetInternals() const
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{
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if ( mInternals.empty() )
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mInternals = transform_container<wxArrayStringEx>( *this,
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std::mem_fn( &EnumValueSymbol::Internal ) );
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return mInternals;
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}
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//////////
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const EnumValueSymbol &ChoiceSetting::Default() const
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{
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if ( mDefaultSymbol >= 0 && mDefaultSymbol < (long)mSymbols.size() )
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return mSymbols[ mDefaultSymbol ];
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static EnumValueSymbol empty;
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return empty;
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}
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wxString ChoiceSetting::Read() const
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{
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const auto &defaultValue = Default().Internal();
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return ReadWithDefault( defaultValue );
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}
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wxString ChoiceSetting::ReadWithDefault( const wxString &defaultValue ) const
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{
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wxString value;
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if ( !gPrefs->Read(mKey, &value, defaultValue) )
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if (!mMigrated) {
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const_cast<ChoiceSetting*>(this)->Migrate( value );
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mMigrated = true;
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}
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// Remap to default if the string is not known -- this avoids surprises
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// in case we try to interpret config files from future versions
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auto index = Find( value );
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if ( index >= mSymbols.size() )
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value = defaultValue;
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return value;
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}
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size_t ChoiceSetting::Find( const wxString &value ) const
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{
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auto start = GetSymbols().begin();
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return size_t(
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std::find( start, GetSymbols().end(), EnumValueSymbol{ value, {} } )
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- start );
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}
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void ChoiceSetting::Migrate( wxString &value )
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{
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(void)value;// Compiler food
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}
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bool ChoiceSetting::Write( const wxString &value )
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{
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auto index = Find( value );
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if (index >= mSymbols.size())
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return false;
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auto result = gPrefs->Write( mKey, value );
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mMigrated = true;
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return result;
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}
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EnumSettingBase::EnumSettingBase(
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const wxString &key,
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EnumValueSymbols symbols,
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long defaultSymbol,
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std::vector<int> intValues, // must have same size as symbols
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const wxString &oldKey
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)
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: ChoiceSetting{ key, std::move( symbols ), defaultSymbol }
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, mIntValues{ std::move( intValues ) }
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, mOldKey{ oldKey }
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{
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auto size = mSymbols.size();
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if( mIntValues.size() != size ) {
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wxASSERT( false );
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mIntValues.resize( size );
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}
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}
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void ChoiceSetting::SetDefault( long value )
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{
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if ( value < (long)mSymbols.size() )
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mDefaultSymbol = value;
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else
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wxASSERT( false );
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}
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int EnumSettingBase::ReadInt() const
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{
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auto index = Find( Read() );
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wxASSERT( index < mIntValues.size() );
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return mIntValues[ index ];
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}
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int EnumSettingBase::ReadIntWithDefault( int defaultValue ) const
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{
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wxString defaultString;
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auto index0 = FindInt( defaultValue );
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if ( index0 < mSymbols.size() )
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defaultString = mSymbols[ index0 ].Internal();
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else
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wxASSERT( false );
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auto index = Find( ReadWithDefault( defaultString ) );
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wxASSERT( index < mSymbols.size() );
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return mIntValues[ index ];
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}
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size_t EnumSettingBase::FindInt( int code ) const
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{
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const auto start = mIntValues.begin();
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return size_t(
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std::find( start, mIntValues.end(), code )
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- start );
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}
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void EnumSettingBase::Migrate( wxString &value )
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{
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int intValue = 0;
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if ( !mOldKey.empty() &&
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gPrefs->Read(mOldKey, &intValue, 0) ) {
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// Make the migration, only once and persistently.
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// Do not DELETE the old key -- let that be read if user downgrades
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// Audacity. But further changes will be stored only to the NEW key
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// and won't be seen then.
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auto index = (long) FindInt( intValue );
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if ( index >= (long)mSymbols.size() )
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index = mDefaultSymbol;
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if ( index >= 0 && index < (long)mSymbols.size() ) {
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value = mSymbols[index].Internal();
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Write(value);
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gPrefs->Flush();
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}
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}
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}
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bool EnumSettingBase::WriteInt( int code ) // you flush gPrefs afterward
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{
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auto index = FindInt( code );
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if ( index >= mSymbols.size() )
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return false;
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return Write( mSymbols[index].Internal() );
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}
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wxString WarningDialogKey(const wxString &internalDialogName)
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{
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return wxT("/Warnings/") + internalDialogName;
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}
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ByColumns_t ByColumns{};
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#include <set>
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namespace {
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using PreferenceInitializers = std::set< PreferenceInitializer* >;
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PreferenceInitializers &allInitializers()
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{
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static PreferenceInitializers theSet;
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return theSet;
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}
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}
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PreferenceInitializer::PreferenceInitializer()
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{
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allInitializers().insert( this );
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}
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PreferenceInitializer::~PreferenceInitializer()
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{
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allInitializers().erase( this );
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}
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void PreferenceInitializer::ReinitializeAll()
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{
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for ( auto pInitializer : allInitializers() )
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(*pInitializer)();
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}
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