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/**********************************************************************
Audacity: A Digital Audio Editor
ProjectSelectionManager.cpp
Paul Licameli split from ProjectManager.cpp
**********************************************************************/
#include "ProjectSelectionManager.h"
#include "Project.h"
#include "ProjectHistory.h"
#include "ProjectNumericFormats.h"
#include "ProjectRate.h"
#include "ProjectSnap.h"
#include "ProjectTimeSignature.h"
#include "Snap.h"
#include "ViewInfo.h"
static AudacityProject::AttachedObjects::RegisteredFactory
sProjectSelectionManagerKey {
[]( AudacityProject &project ) {
return std::make_shared< ProjectSelectionManager >( project );
}
};
ProjectSelectionManager &ProjectSelectionManager::Get(
AudacityProject &project )
{
return project.AttachedObjects::Get< ProjectSelectionManager >(
sProjectSelectionManagerKey );
}
const ProjectSelectionManager &ProjectSelectionManager::Get(
const AudacityProject &project )
{
return Get( const_cast< AudacityProject & >( project ) );
}
ProjectSelectionManager::ProjectSelectionManager(AudacityProject& project)
: mProject { project }
, mSnappingChangedSubscription { ProjectSnap::Get(project).Subscribe(
[this](auto&)
{
SnapSelection();
})}
, mTimeSignatureChangedSubscription {
ProjectTimeSignature::Get(project).Subscribe([this](auto&)
{ SnapSelection(); }) }
, mProjectRateChangedSubscription { ProjectRate::Get(project).Subscribe(
[this](auto&) { SnapSelection(); }) }
{
// Be consistent with ProjectNumericFormats
auto &formats = ProjectNumericFormats::Get(mProject);
SetSelectionFormat(formats.GetSelectionFormat());
SetAudioTimeFormat(formats.GetAudioTimeFormat());
SetFrequencySelectionFormatName(formats.GetFrequencySelectionFormatName());
SetBandwidthSelectionFormatName(formats.GetBandwidthSelectionFormatName());
// And stay consistent
mFormatsSubscription = ProjectNumericFormats::Get(project)
.Subscribe(*this, &ProjectSelectionManager::OnFormatsChanged);
}
ProjectSelectionManager::~ProjectSelectionManager() = default;
void ProjectSelectionManager::SnapSelection()
{
auto& project = mProject;
auto& projectSnap = ProjectSnap::Get(mProject);
if (projectSnap.GetSnapMode() == SnapMode::SNAP_OFF)
return;
auto& viewInfo = ViewInfo::Get(project);
auto& selectedRegion = viewInfo.selectedRegion;
const double oldt0 = selectedRegion.t0();
const double oldt1 = selectedRegion.t1();
const double t0 = projectSnap.SnapTime(oldt0).time;
const double t1 = projectSnap.SnapTime(oldt1).time;
if (t0 != oldt0 || t1 != oldt1)
selectedRegion.setTimes(t0, t1);
}
void ProjectSelectionManager::OnFormatsChanged(ProjectNumericFormatsEvent evt)
{
auto &formats = ProjectNumericFormats::Get(mProject);
switch (evt.type) {
case ProjectNumericFormatsEvent::ChangedSelectionFormat:
return SetSelectionFormat(formats.GetSelectionFormat());
case ProjectNumericFormatsEvent::ChangedAudioTimeFormat:
return SetAudioTimeFormat(formats.GetAudioTimeFormat());
case ProjectNumericFormatsEvent::ChangedFrequencyFormat:
return SetFrequencySelectionFormatName(
formats.GetFrequencySelectionFormatName());
case ProjectNumericFormatsEvent::ChangedBandwidthFormat:
return SetBandwidthSelectionFormatName(
formats.GetBandwidthSelectionFormatName());
default:
break;
}
}
void ProjectSelectionManager::SetSelectionFormat(const NumericFormatID & format)
{
gPrefs->Write(wxT("/SelectionFormat"), format);
gPrefs->Flush();
}
void ProjectSelectionManager::SetAudioTimeFormat(const NumericFormatID & format)
{
gPrefs->Write(wxT("/AudioTimeFormat"), format.GET());
gPrefs->Flush();
}
void ProjectSelectionManager::ModifySelection(
double &start, double &end, bool done)
{
auto &project = mProject;
auto &history = ProjectHistory::Get( project );
auto &viewInfo = ViewInfo::Get( project );
viewInfo.selectedRegion.setTimes(start, end);
if (done)
history.ModifyState(false);
}
void ProjectSelectionManager::SetFrequencySelectionFormatName(
const NumericFormatID &formatName)
{
gPrefs->Write(wxT("/FrequencySelectionFormatName"),
formatName.GET());
gPrefs->Flush();
}
void ProjectSelectionManager::SetBandwidthSelectionFormatName(
const NumericFormatID & formatName)
{
gPrefs->Write(wxT("/BandwidthSelectionFormatName"), formatName.GET());
gPrefs->Flush();
}
void ProjectSelectionManager::ModifySpectralSelection(double nyquist,
double &bottom, double &top, bool done)
{
auto &project = mProject;
auto &history = ProjectHistory::Get(project);
auto &viewInfo = ViewInfo::Get(project);
if (bottom >= 0.0)
bottom = std::min(nyquist, bottom);
if (top >= 0.0)
top = std::min(nyquist, top);
viewInfo.selectedRegion.setFrequencies(bottom, top);
if (done)
history.ModifyState(false);
}
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