: public EnumSetting< WaveTrackViewConstants::Display > {

using EnumSetting< WaveTrackViewConstants::Display >::EnumSetting;

void Migrate( wxString &value ) override

{

// Special logic for this preference which was three times migrated!

// PRL: Bugs 1043, 1044

// 2.1.1 writes a NEW key for this preference, which got NEW values,

// to avoid confusing version 2.1.0 if it reads the preference file afterwards.

// Prefer the NEW preference key if it is present

static const EnumValueSymbol waveformSymbol{ XO("Waveform") };

static const EnumValueSymbol spectrumSymbol{ XO("Spectrogram") };

WaveTrackViewConstants::Display viewMode;

int oldMode;

wxString newValue;

auto stringValue =

[]( WaveTrackViewConstants::Display display ){

switch ( display ) {

case WaveTrackViewConstants::Spectrum:

return spectrumSymbol.Internal();

case WaveTrackViewConstants::obsoleteWaveformDBDisplay:

return obsoleteValue;

default:

return waveformSymbol.Internal();

}

};

if ( gPrefs->Read(key0, // The very old key

&oldMode,

(int)(WaveTrackViewConstants::Waveform) ) ) {

viewMode = WaveTrackViewConstants::ConvertLegacyDisplayValue(oldMode);

newValue = stringValue( viewMode );

}

else if ( gPrefs->Read(key1,

&oldMode,

(int)(WaveTrackViewConstants::Waveform) ) ) {

viewMode = static_cast<WaveTrackViewConstants::Display>( oldMode );

newValue = stringValue( viewMode );

}

else

gPrefs->Read( key2, &newValue );

if ( !gPrefs->Read( key3, &value ) ) {

if (newValue == obsoleteValue) {

newValue = waveformSymbol.Internal();

gPrefs->Write(waveformScaleKey, dbValueString);

}

Write( value = newValue );

gPrefs->Flush();

return;

}

}

{

// Do a delayed computation, so that registration of sub-view types completes

// first

const auto &types = WaveTrackSubViewType::All();

auto symbols = transform_container< EnumValueSymbols >(

types, std::mem_fn( &WaveTrackSubViewType::name ) );

auto ids = transform_container< std::vector< WaveTrackSubViewType::Display > >(

types, std::mem_fn( &WaveTrackSubViewType::id ) );

// Special entry for multi

symbols.push_back( WaveTrackViewConstants::MultiViewSymbol );

ids.push_back( WaveTrackViewConstants::MultiView );

return {

key3,

symbols,

0, // Waveform

ids

};

: PrefsPanel(parent, winid, XO("Tracks"))

{

Populate();

{

// Keep view choices and codes in proper correspondence --

// we don't display them by increasing integer values.

// How samples are displayed when zoomed in:

//------------------------- Main section --------------------

// Now construct the GUI itself.

// Use 'eIsCreatingFromPrefs' so that the GUI is

// initialised with values from gPrefs.

ShuttleGui S(this, eIsCreatingFromPrefs);

PopulateOrExchange(S);

// ----------------------- End of main section --------------

{

S.SetBorder(2);

S.StartScroller();

S.StartStatic(XO("Display"));

{

S.TieCheckBox(XXO("Auto-&fit track height"),

{wxT("/GUI/TracksFitVerticallyZoomed"),

false});

S.TieCheckBox(XXO("Sho&w track name as overlay"),

{wxT("/GUI/ShowTrackNameInWaveform"),

false});

#ifdef EXPERIMENTAL_HALF_WAVE

S.TieCheckBox(XXO("Use &half-wave display when collapsed"),

{wxT("/GUI/CollapseToHalfWave"),

false});

#endif

#ifdef SHOW_PINNED_UNPINNED_IN_PREFS

S.TieCheckBox(XXO("&Pinned Recording/Playback head"),

{PinnedHeadPreferenceKey(),

PinnedHeadPreferenceDefault()});

#endif

S.TieCheckBox(XXO("A&uto-scroll if head unpinned"),

{wxT("/GUI/AutoScroll"),

true});

S.AddSpace(10);

S.StartMultiColumn(2);

{

#ifdef SHOW_PINNED_POSITION_IN_PREFS

S.TieNumericTextBox(

XXO("Pinned &head position"),

{PinnedHeadPositionPreferenceKey(),

PinnedHeadPositionPreferenceDefault()},

30

);

#endif

S.TieChoice(XXO("Default &view mode:"),

viewModeSetting() );

S.TieChoice(XXO("Default Waveform scale:"),

waveformScaleSetting );

S.TieChoice(XXO("Display &samples:"),

sampleDisplaySetting );

S.TieTextBox(XXO("Default audio track &name:"),

{wxT("/GUI/TrackNames/DefaultTrackName"),

_("Audio Track")},

30);

}

S.EndMultiColumn();

}

S.EndStatic();

S.StartStatic(XO("Zoom Toggle"));

{

S.StartMultiColumn(4);

{

S.TieChoice(XXO("Preset 1:"),

zoom1Setting );

S.TieChoice(XXO("Preset 2:"),

zoom2Setting );

}

}

S.EndStatic();

S.EndScroller();

{

// JKC: Cache this setting as it is read many times during drawing, and otherwise causes screen flicker.

// Correct solution would be to re-write wxFileConfig to be efficient.

if( iPreferencePinned >= 0 )

return iPreferencePinned == 1;

bool bResult = gPrefs->ReadBool(PinnedHeadPreferenceKey(), PinnedHeadPreferenceDefault());

iPreferencePinned = bResult ? 1: 0;

return bResult;

{

iPreferencePinned = value ? 1 :0;

gPrefs->Write(PinnedHeadPreferenceKey(), value);

if(flush)

gPrefs->Flush();

{

auto value = gPrefs->ReadDouble(

PinnedHeadPositionPreferenceKey(),

PinnedHeadPositionPreferenceDefault());

return std::max(0.0, std::min(1.0, value));

{

value = std::max(0.0, std::min(1.0, value));

gPrefs->Write(PinnedHeadPositionPreferenceKey(), value);

if(flush)

gPrefs->Flush();

{

const auto name =

gPrefs->Read(wxT("/GUI/TrackNames/DefaultTrackName"), wxT(""));

if (name.empty() || ( name == "Audio Track" ))

// When nothing was specified,

// the default-default is whatever translation of...

/* i18n-hint: The default name for an audio track. */

return _("Audio Track");

else

return name;

{

// Bug 1583: Clear the caching of the preference pinned state.

iPreferencePinned = -1;

ShuttleGui S(this, eIsSavingToPrefs);

PopulateOrExchange(S);

// Bug 1661: Don't store the name for new tracks if the name is the

// default in that language.

if (GetDefaultAudioTrackNamePreference() == _("Audio Track")) {

gPrefs->DeleteEntry(wxT("/GUI/TrackNames/DefaultTrackName"));

gPrefs->Flush();

}

return true;