mirror of
https://github.com/cookiengineer/audacity
synced 2025-06-22 07:10:06 +02:00
151 lines
4.1 KiB
C++
151 lines
4.1 KiB
C++
/**********************************************************************
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Audacity - A Digital Audio Editor
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Copyright 1999-2009 Audacity Team
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License: wxwidgets
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Dan Horgan
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Marty Goddard
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******************************************************************//**
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\file GetTrackInfoCommand.cpp
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\brief Definitions for GetTrackInfoCommand and GetTrackInfoCommandType classes
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\class GetTrackInfoCommand
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\brief Command that returns requested track information
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*//*******************************************************************/
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#include "GetTrackInfoCommand.h"
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#include "../TrackPanel.h"
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#include "../Project.h"
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#include "../WaveTrack.h"
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wxString GetTrackInfoCommandType::BuildName()
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{
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return wxT("GetTrackInfo");
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}
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void GetTrackInfoCommandType::BuildSignature(CommandSignature &signature)
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{
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auto trackIndexValidator = make_movable<IntValidator>();
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signature.AddParameter(wxT("TrackIndex"), 0, std::move(trackIndexValidator));
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auto infoTypeValidator = make_movable<OptionValidator>();
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infoTypeValidator->AddOption(wxT("Name"));
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infoTypeValidator->AddOption(wxT("StartTime"));
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infoTypeValidator->AddOption(wxT("EndTime"));
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infoTypeValidator->AddOption(wxT("Pan"));
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infoTypeValidator->AddOption(wxT("Gain"));
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infoTypeValidator->AddOption(wxT("Selected"));
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infoTypeValidator->AddOption(wxT("Linked"));
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infoTypeValidator->AddOption(wxT("Solo"));
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infoTypeValidator->AddOption(wxT("Mute"));
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infoTypeValidator->AddOption(wxT("Focused"));
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signature.AddParameter(wxT("Type"), wxT("Name"), std::move(infoTypeValidator));
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}
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CommandHolder GetTrackInfoCommandType::Create(std::unique_ptr<CommandOutputTarget> &&target)
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{
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return std::make_shared<GetTrackInfoCommand>(*this, std::move(target));
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}
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//******************* Private Member Functions ********************************
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void GetTrackInfoCommand::SendBooleanStatus(bool boolValue)
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{
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if(boolValue)
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Status(wxT("1"));
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else
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Status(wxT("0"));
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}
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// ===================== Public Member Functions =================================
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bool GetTrackInfoCommand::Apply(CommandExecutionContext context)
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{
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wxString mode = GetString(wxT("Type"));
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long trackIndex = GetLong(wxT("TrackIndex"));
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// Get the track indicated by the TrackIndex parameter
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// (Note: this ought to be somewhere else)
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long i = 0;
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TrackListIterator iter(context.GetProject()->GetTracks());
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Track *t = iter.First();
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while (t && i != trackIndex)
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{
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t = iter.Next();
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++i;
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}
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if (i != trackIndex || !t)
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{
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Error(wxT("TrackIndex was invalid."));
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return false;
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}
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// Now get the particular desired item about the track of interest
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if (mode.IsSameAs(wxT("Name")))
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{
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Status(t->GetName());
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}
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else if (mode.IsSameAs(wxT("StartTime")))
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{
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Status(wxString::Format(wxT("%f"), t->GetStartTime()));
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}
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else if (mode.IsSameAs(wxT("EndTime")))
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{
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Status(wxString::Format(wxT("%f"), t->GetEndTime()));
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}
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else if (mode.IsSameAs(wxT("Pan")))
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{
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if(t->GetKind() == Track::Wave)
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Status(wxString::Format(wxT("%f"), static_cast<WaveTrack*>(t)->GetPan()));
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}
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else if (mode.IsSameAs(wxT("Gain")))
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{
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if(t->GetKind() == Track::Wave)
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Status(wxString::Format(wxT("%f"), static_cast<WaveTrack*>(t)->GetGain()));
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}
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else if (mode.IsSameAs(wxT("Focused")))
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{
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TrackPanel *panel = context.GetProject()->GetTrackPanel();
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SendBooleanStatus(panel->GetFocusedTrack() == t);
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}
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else if (mode.IsSameAs(wxT("Selected")))
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{
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SendBooleanStatus(t->GetSelected());
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}
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else if (mode.IsSameAs(wxT("Linked")))
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{
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SendBooleanStatus(t->GetLinked());
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}
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else if (mode.IsSameAs(wxT("Solo")))
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{
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auto pt = dynamic_cast<const PlayableTrack *>(t);
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if (pt)
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SendBooleanStatus(pt->GetSolo());
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else
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SendBooleanStatus(false);
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}
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else if (mode.IsSameAs(wxT("Mute")))
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{
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auto pt = dynamic_cast<const PlayableTrack *>(t);
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if (pt)
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SendBooleanStatus(pt->GetMute());
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else
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SendBooleanStatus(false);
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}
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else
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{
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Error(wxT("Invalid info type!"));
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return false;
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}
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return true;
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}
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