just some cleanups on FIXMEs and unused method parameters

src/AudacityApp.cpp

@@ -737,7 +737,7 @@ void AudacityApp::OnMacOpenFile(wxCommandEvent & event)
    while (ofqueue.GetCount()) {
       wxString name(ofqueue[0]);
       ofqueue.RemoveAt(0);
-      MRUOpen(name); // FIXME: Check the return result?
+      wxASSERT(MRUOpen(name)); // FIXME: Check the return result? Meantime, assert it so failure shows in debug build. 
    }
 }
 #endif //__WXMAC__

src/DirManager.cpp

@@ -856,7 +856,8 @@ wxFileName DirManager::MakeBlockFileName()
          }else break;
       }
    }
-   // FIXME: Might we get here without midkey having been set?
+   // FIXME: Might we get here without midkey having been set? 
+   //    Seemed like a possible problem in these changes in .aup directory hierarchy. 
    BalanceFileAdd(midkey);
    return ret;
 }

src/Menus.cpp

@@ -4170,85 +4170,6 @@ void AudacityProject::OnSplitNew()
    RedrawProject();
 }
 
-//void AudacityProject::OnSplitLabelsToTracks()
-//{
-//   TrackListIterator iter(mTracks);
-//
-//   Track *n = iter.First();
-//   Track *srcRight = 0;
-//   Track *srcLeft = 0;
-//   bool stereo = false;
-//   LabelTrack *label = 0;
-//
-//   while(n) {
-//      if(n->GetSelected()) {
-//         if(n->GetKind() == Track::Wave) {
-//            if(n->GetLinked() == true) {
-//               stereo = true;
-//               srcLeft = n;
-//               srcRight  = iter.Next();
-//            }
-//            else {
-//               srcRight = n;
-//               stereo = false;
-//            }
-//         }
-//         else if(n->GetKind() == Track::Label)
-//            label = (LabelTrack*)n;  // cast necessary to call LabelTrack specific methods
-//      }
-//      n = iter.Next();
-//   }
-//
-//   wxASSERT(label); // per Vigilant Sentry report on possible null deref, FIXME: Report error or validate?
-//   for(int i = 0; i < label->GetNumLabels(); i++) {
-//      wxString name = label->GetLabel(i)->title;
-//      double begin = label->GetLabel(i)->t;
-//      double end;
-//
-//      // if on the last label, extend to the end of the wavetrack
-//      if(i == label->GetNumLabels() - 1) {
-//         if(stereo)
-//            end = wxMax(srcLeft->GetEndTime(), srcRight->GetEndTime());
-//         else
-//            end = srcLeft->GetEndTime();
-//      }
-//      else
-//         end = label->GetLabel(i+1)->t;
-//
-//      Track *destLeft = 0;
-//      Track *destRight = 0;
-//
-//      srcLeft->Copy(begin, end, &destLeft);
-//      if (destLeft) {
-//         destLeft->Init(*srcLeft);
-//         destLeft->SetOffset(wxMax(begin, srcLeft->GetOffset()));
-//         destLeft->SetName(name);
-//         
-//         mTracks->Add(destLeft);
-//      }
-//
-//      if(stereo) {
-//         srcRight->Copy(begin, end, &destRight);
-//         if (destRight) {
-//            destRight->Init(*srcRight);
-//            destRight->SetOffset(wxMax(begin, srcRight->GetOffset()));
-//            destRight->SetName(name);
-//            
-//            mTracks->Add(destRight);
-//         }
-//         else if(destLeft)
-//            // account for possibility of a non-aligned linked track, which could
-//            // cause the left channel to be eligible for creating a new track,
-//            // but not the right.
-//            destLeft->SetLinked(false);
-//      }
-//   }
-//
-//   PushState(_("Split at labels"), _("Split at Labels"));
-//
-//   RedrawProject();
-//}
-
 void AudacityProject::OnSelectAll()
 {
    TrackListIterator iter(mTracks);

src/Menus.h

@@ -225,7 +225,6 @@ void OnSilence();
 
 void OnSplit();
 void OnSplitNew();
-// void OnSplitLabelsToTracks();
 void OnJoin();
 void OnDisjoin();
 void OnDuplicate();

src/Project.cpp

@@ -2394,8 +2394,7 @@ void AudacityProject::OpenFile(wxString fileName, bool addtohistory)
       }
    }
    
-   //FIXME: //v Surely we could be smarter about this, 
-   // like checking much earlier that this is a .aup file.
+   //FIXME: //v Surely we could be smarter about this, like checking much earlier that this is a .aup file.
    if (temp.Mid(0, 6) != wxT("<?xml ")) {
       // If it's not XML, try opening it as any other form of audio
       Import(fileName);

src/Sequence.cpp

@@ -490,8 +490,8 @@ bool Sequence::Paste(sampleCount s, const Sequence *src)
    if (addedLen == 0 || srcNumBlocks == 0)
       return true;
 
-   unsigned int b = FindBlock(s);
-   unsigned int numBlocks = mBlock->GetCount();
+   int b = FindBlock(s);
+   size_t numBlocks = mBlock->GetCount();
 
    if (numBlocks == 0 ||
        (s == mNumSamples && mBlock->Item(numBlocks-1)->f->GetLength() >= mMinSamples)) {
@@ -505,7 +505,6 @@ bool Sequence::Paste(sampleCount s, const Sequence *src)
       return ConsistencyCheck(wxT("Paste branch one"));
    }
 
-   // FIXME: "b" is unsigned, so it's pointless to check that it's >= 0.
    if (b >= 0 && b < numBlocks
        && ((mBlock->Item(b)->f->GetLength() + addedLen) < mMaxSamples)) {
       // Special case: we can fit all of the new samples inside of

src/Track.h

@@ -356,16 +356,14 @@ class AUDACITY_DLL_API TrackList:public wxEvtHandler
    friend class Track;
    friend class TrackListIterator;
 
-   /// Add this Track or all children of this TrackGroup 
-   // FIXME: What does that comment mean by "TrackGroup"? There was no such class at tag Audacity_1_3_13.
+   /// Add this Track or all children of this TrackList. 
    void Add(Track * t);
    void AddToHead(Track * t);
 
    /// Replace first track with second track
    void Replace(Track * t, Track * with, bool deletetrack = false);
 
-   /// Remove this Track or all children of this TrackGroup
-   // FIXME: What does that comment mean by "TrackGroup"? There was no such class at tag Audacity_1_3_13.
+   /// Remove this Track or all children of this TrackList. 
    void Remove(Track * t, bool deletetrack = false);
 
    /// Make the list empty

src/TrackPanel.cpp

@@ -5176,7 +5176,7 @@ void TrackPanel::OnMouseEvent(wxMouseEvent & event)
 bool TrackPanel::HandleTrackLocationMouseEvent(WaveTrack * track, wxRect &r, wxMouseEvent &event)
 {
    // FIXME: Disable this and return true when CutLines aren't showing?
-   // (Don't use gPerfs-> for the fix as registry access is slow).
+   // (Don't use gPrefs-> for the fix as registry access is slow).
 
    if (mMouseCapture == WasOverCutLine)
    {

src/effects/Contrast.cpp

@@ -94,7 +94,7 @@ void CloseContrastDialog()
 
 float ContrastDialog::GetDB()
 {
-// FIXME: what if more than one track?
+   // FIXME: what if more than one track?
    float rms = float(0.0);
 
    AudacityProject *p = GetActiveProject();

src/ondemand/ODWaveTrackTaskQueue.cpp

@@ -225,8 +225,7 @@ WaveTrack* ODWaveTrackTaskQueue::GetWaveTrack(size_t x)
 {
    WaveTrack* ret = NULL;
    mTracksMutex.Lock();
-   // FIXME: x is unsigned so there's no point in checking that it's >= 0.
-   if(x>=0&&x<mTracks.size())
+   if (x < mTracks.size())
       ret = mTracks[x];
    mTracksMutex.Unlock();
    return ret;
@@ -257,8 +256,7 @@ ODTask* ODWaveTrackTaskQueue::GetTask(size_t x)
 {
    ODTask* ret = NULL;
    mTasksMutex.Lock();
-   // FIXME: x is unsigned so there's no point in checking that it's >= 0.
-   if(x>=0&&x<mTasks.size())
+   if (x < mTasks.size())
       ret = mTasks[x];
    mTasksMutex.Unlock();
    return ret;

src/widgets/TimeTextCtrl.cpp

@@ -1482,7 +1482,7 @@ TimeTextCtrlAx::~TimeTextCtrlAx()
 // or > 0 (the action for a child).
 // Return wxACC_NOT_SUPPORTED if there is no default action for this
 // window (e.g. an edit control).
-wxAccStatus TimeTextCtrlAx::DoDefaultAction(int childId)
+wxAccStatus TimeTextCtrlAx::DoDefaultAction(int WXUNUSED(childId))
 {
    return wxACC_NOT_SUPPORTED;
 }
@@ -1516,7 +1516,7 @@ wxAccStatus TimeTextCtrlAx::GetChildCount(int *childCount)
 // object, not what the object does as a result. For example, a
 // toolbar button that prints a document has a default action of
 // "Press" rather than "Prints the current document."
-wxAccStatus TimeTextCtrlAx::GetDefaultAction(int childId, wxString *actionName)
+wxAccStatus TimeTextCtrlAx::GetDefaultAction(int WXUNUSED(childId), wxString *actionName)
 {
    actionName->Clear();
 
@@ -1524,7 +1524,7 @@ wxAccStatus TimeTextCtrlAx::GetDefaultAction(int childId, wxString *actionName)
 }
 
 // Returns the description for this object or a child.
-wxAccStatus TimeTextCtrlAx::GetDescription(int childId, wxString *description)
+wxAccStatus TimeTextCtrlAx::GetDescription(int WXUNUSED(childId), wxString *description)
 {
    description->Clear();
 
@@ -1544,7 +1544,7 @@ wxAccStatus TimeTextCtrlAx::GetFocus(int *childId, wxAccessible **child)
 }
 
 // Returns help text for this object or a child, similar to tooltip text.
-wxAccStatus TimeTextCtrlAx::GetHelpText(int childId, wxString *helpText)
+wxAccStatus TimeTextCtrlAx::GetHelpText(int WXUNUSED(childId), wxString *helpText)
 {
 // removed help text, as on balance it's more of an irritation than useful
 #if 0    // was #if wxUSE_TOOLTIPS
@@ -1563,7 +1563,7 @@ wxAccStatus TimeTextCtrlAx::GetHelpText(int childId, wxString *helpText)
 
 // Returns the keyboard shortcut for this object or child.
 // Return e.g. ALT+K
-wxAccStatus TimeTextCtrlAx::GetKeyboardShortcut(int childId, wxString *shortcut)
+wxAccStatus TimeTextCtrlAx::GetKeyboardShortcut(int WXUNUSED(childId), wxString *shortcut)
 {
    shortcut->Clear();
 
@@ -1668,7 +1668,7 @@ wxAccStatus TimeTextCtrlAx::GetName(int childId, wxString *name)
 }
 
 // Returns a role constant.
-wxAccStatus TimeTextCtrlAx::GetRole(int childId, wxAccRole *role)
+wxAccStatus TimeTextCtrlAx::GetRole(int WXUNUSED(childId), wxAccRole *role)
 {
    *role = wxROLE_SYSTEM_STATICTEXT;
    return wxACC_OK;