void EditToolBar::EnableDisableButtons()
{
AudacityProject *p = GetActiveProject();
if (!p) return;
// Is anything selected?
bool selection = false;
TrackListIterator iter(p->GetTracks());
for (Track *t = iter.First(); t; t = iter.Next())
if (t->GetSelected()) {
selection = true;
break;
}
selection &= (p->GetSel0() < p->GetSel1());
mButtons[ETBCutID]->SetEnabled(selection);
mButtons[ETBCopyID]->SetEnabled(selection);
mButtons[ETBTrimID]->SetEnabled(selection);
mButtons[ETBSilenceID]->SetEnabled(selection);
mButtons[ETBUndoID]->SetEnabled(p->GetUndoManager()->UndoAvailable());
mButtons[ETBRedoID]->SetEnabled(p->GetUndoManager()->RedoAvailable());
bool tracks = (!p->GetTracks()->IsEmpty());
mButtons[ETBZoomInID]->SetEnabled(tracks && (p->GetZoom() < gMaxZoom));
mButtons[ETBZoomOutID]->SetEnabled(tracks && (p->GetZoom() > gMinZoom) );
#if 0 // Disabled for version 1.2.0 since it doesn't work quite right...
mButtons[ETBZoomToggleID]->SetEnabled(tracks);
#endif
mButtons[ETBZoomSelID]->SetEnabled(selection);
mButtons[ETBZoomFitID]->SetEnabled(tracks);
mButtons[ETBPasteID]->SetEnabled(p->Clipboard());
#ifdef EXPERIMENTAL_LINKING
bool linkTracks;
gPrefs->Read(wxT("/GUI/LinkTracks"), &linkTracks, true);
if (linkTracks)
mButtons[ETBLinkID]->PushDown();
else
mButtons[ETBLinkID]->PopUp();
#endif
}
void LOFImportFileHandle::doDuration()
{
if (callDurationFactor)
{
double longestDuration = mProject->GetTracks()->GetEndTime();
double realZoomValue = ((longestDuration/durationFactor)*(mProject->GetZoom()));
mProject->Zoom(realZoomValue);
callDurationFactor = false;
}
}