Removing remaining code for focusable time ruler

src/Experimental.h

@@ -200,9 +200,4 @@
 // interpolating in frequency domain.
 #define EXPERIMENTAL_ZERO_PADDED_SPECTROGRAMS
 
-// Paul Licameli (PRL) 10 May 2016
-// Time ruler accepts focus, buttons can be reached with TAB
-//#define EXPERIMENTAL_TIME_RULER_NAVIGATION
-
-
 #endif

src/Menus.cpp

@@ -2795,17 +2795,10 @@ void AudacityProject::NextOrPrevFrame(bool forward)
 
 
    // Define the set of windows we rotate among.
-   static const unsigned rotationSize = 3u
-#ifdef EXPERIMENTAL_TIME_RULER_NAVIGATION
-      + 1
-#endif
-   ;
+   static const unsigned rotationSize = 3u;
 
    wxWindow *const begin [rotationSize] = {
       GetTopPanel(),
-#ifdef EXPERIMENTAL_TIME_RULER_NAVIGATION
-      GetRulerPanel(),
-#endif
       GetTrackPanel(),
       mToolManager->GetBotDock(),
    };

src/widgets/Ruler.cpp

@@ -1670,11 +1670,6 @@ enum : int {
    BottomMargin = 2, // for bottom bevel and bottom line
    LeftMargin = 1,
 
-   FocusBorder = 2,
-   FocusBorderLeft = FocusBorder,
-   FocusBorderTop = FocusBorder,
-   FocusBorderBottom = FocusBorder + 1, // count 1 for the black stroke
-
    RightMargin = 1,
 };
 
@@ -2080,7 +2075,7 @@ void AdornedRulerPanel::ReCreateButtons()
 
    // Make the short row of time ruler pushbottons.
    // Don't bother with sizers.  Their sizes and positions are fixed.
-   wxPoint position{ FocusBorderLeft, 0 };
+   wxPoint position{ 1 + LeftMargin, 0 };
    size_t iButton = 0;
    auto size = theTheme.ImageSize( bmpRecoloredUpSmall );
    size.y = std::min(size.y, GetRulerHeight(false));
@@ -3072,26 +3067,10 @@ void AdornedRulerPanel::DoDrawBackground(wxDC * dc)
 
 void AdornedRulerPanel::DoDrawEdge(wxDC *dc)
 {
-   if (HasFocus()) {
-      dc->SetBrush(*wxTRANSPARENT_BRUSH);
-      wxRect rect{ mOuter };
-      --rect.height;  // Leave room for the black stroke
-
-      AColor::TrackFocusPen(dc, 1);
-      dc->DrawRectangle(rect);
-
-      AColor::TrackFocusPen(dc, 0);
-      rect.Deflate(1, 1);
-      dc->DrawRectangle(rect);
-
-      static_assert(FocusBorder == 2, "Draws the wrong number of rectangles");
-   }
-   else {
-      wxRect r = mOuter;
-      r.width -= RightMargin;
-      r.height -= BottomMargin;
-      AColor::BevelTrackInfo( *dc, true, r );
-   }
+   wxRect r = mOuter;
+   r.width -= RightMargin;
+   r.height -= BottomMargin;
+   AColor::BevelTrackInfo( *dc, true, r );
 
    // Black stroke at bottom
    dc->SetPen( *wxBLACK_PEN );
@@ -3099,8 +3078,6 @@ void AdornedRulerPanel::DoDrawEdge(wxDC *dc)
                 mOuter.y + mOuter.height - 1,
                 mOuter.x + mOuter.width,
                 mOuter.y + mOuter.height - 1 );
-
-   static_assert(FocusBorderBottom == 1 + FocusBorder, "Button area might be wrong");
 }
 
 void AdornedRulerPanel::DoDrawMarks(wxDC * dc, bool /*text */ )

src/widgets/Ruler.h

@@ -294,9 +294,8 @@ public:
 
    ~AdornedRulerPanel();
 
-#ifndef EXPERIMENTAL_TIME_RULER_NAVIGATION
    bool AcceptsFocus() const override { return false; }
-#endif
+   bool AcceptsFocusFromKeyboard() const override { return false; }
 
 public:
    int GetRulerHeight() { return GetRulerHeight(mShowScrubbing); }