added two commands to move to first or last track

src/Menus.cpp

@@ -1138,8 +1138,12 @@ void AudacityProject::CreateMenusAndCommands()
                       TracksExistFlag | TrackPanelHasFocus);
 
    c->AddCommand(wxT("PrevTrack"), _("Move Focus to Previous Track"), FN(OnCursorUp), wxT("Up"));
-   c->AddCommand(wxT("ShiftUp"), _("Move Focus to Previous and Select"), FN(OnShiftUp), wxT("Shift+Up"));
    c->AddCommand(wxT("NextTrack"), _("Move Focus to Next Track"), FN(OnCursorDown), wxT("Down"));
+   c->AddCommand(wxT("FirstTrack"), _("Move Focus to First Track"), FN(OnFirstTrack), wxT("Ctrl+Home"));
+   c->AddCommand(wxT("LastTrack"), _("Move Focus to Last Track"), FN(OnLastTrack), wxT("Ctrl+End"));
+
+
+   c->AddCommand(wxT("ShiftUp"), _("Move Focus to Previous and Select"), FN(OnShiftUp), wxT("Shift+Up"));
    c->AddCommand(wxT("ShiftDown"), _("Move Focus to Next and Select"), FN(OnShiftDown), wxT("Shift+Down"));
    c->AddCommand(wxT("Toggle"), _("Toggle Focused Track"), FN(OnToggle), wxT("Return"));
    c->AddCommand(wxT("ToggleAlt"), _("Toggle Focused Track"), FN(OnToggle), wxT("NUMPAD_ENTER"));
@@ -2491,16 +2495,26 @@ void AudacityProject::OnCursorUp()
    mTrackPanel->OnPrevTrack( false );
 }
 
-void AudacityProject::OnShiftUp()
-{
-   mTrackPanel->OnPrevTrack( true );
-}
-
 void AudacityProject::OnCursorDown()
 {
    mTrackPanel->OnNextTrack( false );
 }
 
+void AudacityProject::OnFirstTrack()
+{
+   mTrackPanel->OnFirstTrack();
+}
+
+void AudacityProject::OnLastTrack()
+{
+   mTrackPanel->OnLastTrack();
+}
+
+void AudacityProject::OnShiftUp()
+{
+   mTrackPanel->OnPrevTrack( true );
+}
+
 void AudacityProject::OnShiftDown()
 {
    mTrackPanel->OnNextTrack( true );

src/Menus.h

@@ -123,11 +123,16 @@ void OnSetPlaySpeed();
 void OnPlaySpeedInc();
 void OnPlaySpeedDec();
 
-        // Selection-Editing Commands
+        // Moving track focus commands
 
 void OnCursorUp();
-void OnShiftUp();
 void OnCursorDown();
+void OnFirstTrack();
+void OnLastTrack();
+
+        // Selection-Editing Commands
+
+void OnShiftUp();
 void OnShiftDown();
 void OnToggle();
 

src/TrackPanel.cpp

@@ -7894,6 +7894,38 @@ void TrackPanel::OnNextTrack( bool shift )
    }
 }
 
+void TrackPanel::OnFirstTrack()
+{
+   Track *t = GetFocusedTrack();
+   if (!t)
+      return;
+
+   TrackListIterator iter(mTracks);
+   Track *f = iter.First();
+   if (t != f)
+   {
+      SetFocusedTrack(f);
+      MakeParentModifyState(false);
+   }
+   EnsureVisible(f);
+}
+
+void TrackPanel::OnLastTrack()
+{
+   Track *t = GetFocusedTrack();
+   if (!t)
+      return;
+
+   TrackListIterator iter(mTracks);
+   Track *l = iter.Last();
+   if (t != l)
+   {
+      SetFocusedTrack(l);
+      MakeParentModifyState(false);
+   }
+   EnsureVisible(l);
+}
+
 void TrackPanel::OnToggle()
 {
    Track *t;

src/TrackPanel.h

@@ -219,6 +219,8 @@ class AUDACITY_DLL_API TrackPanel:public wxPanel {
 
    virtual void OnPrevTrack(bool shift = false);
    virtual void OnNextTrack(bool shift = false);
+   virtual void OnFirstTrack();
+   virtual void OnLastTrack();
    virtual void OnToggle();
 
    virtual void OnCursorLeft(bool shift, bool ctrl, bool keyup = false);