Vary status string (leftmost in the status bar) for the four kinds of scrub.

src/toolbars/ControlToolBar.cpp

@@ -107,7 +107,6 @@ ControlToolBar::ControlToolBar()
    /* i18n-hint: These are strings for the status bar, and indicate whether Audacity
    is playing or recording or stopped, and whether it is paused. */
    mStatePlay = XO("Playing");
-   mStateScrub = XO("Scrubbing");
    mStateStop = XO("Stopped");
    mStateRecord = XO("Recording");
    mStatePause = XO("Paused");
@@ -1175,28 +1174,24 @@ void ControlToolBar::ClearCutPreviewTracks()
 int ControlToolBar::WidthForStatusBar(wxStatusBar* const sb)
 {
    int xMax = 0;
-   int x, y;
+   const auto pauseString = wxT(" ") + wxGetTranslation(mStatePause);
 
-   sb->GetTextExtent(wxString(wxGetTranslation(mStatePlay)) + wxT(" ") +
-                     wxString(wxGetTranslation(mStatePause)) + wxT("."), &x, &y);
-   if (x > xMax)
-      xMax = x;
+   auto update = [&] (const wxString &state, bool pauseToo) {
+      int x, y;
+      sb->GetTextExtent(
+         wxGetTranslation(state) + ( pauseToo ? pauseString : wxString{} ) + wxT("."),
+         &x, &y
+      );
+      xMax = std::max(x, xMax);
+   };
 
-   sb->GetTextExtent(wxString(wxGetTranslation(mStateStop)) + wxT(" ") +
-                     wxString(wxGetTranslation(mStatePause)) + wxT("."), &x, &y);
-   if (x > xMax)
-      xMax = x;
-
-   sb->GetTextExtent(wxString(wxGetTranslation(mStateRecord)) + wxT(" ") +
-                     wxString(wxGetTranslation(mStatePause)) + wxT("."), &x, &y);
-   if (x > xMax)
-      xMax = x;
+   update(mStatePlay, true);
+   update(mStateStop, true);
+   update(mStateRecord, true);
 
    // Note that Scrubbing + Paused is not allowed.
-   sb->GetTextExtent(wxString(wxGetTranslation(mStateScrub)) +
-                     wxT("."), &x, &y);
-   if (x > xMax)
-      xMax = x;
+   for(const auto &state : Scrubber::GetAllUntranslatedStatusStrings())
+      update(state, false);
 
    return xMax + 30;    // added constant needed because xMax isn't large enough for some reason, plus some space.
 }
@@ -1206,8 +1201,10 @@ wxString ControlToolBar::StateForStatusBar()
    wxString state;
 
    auto pProject = GetActiveProject();
-   if (pProject && pProject->GetScrubber().HasStartedScrubbing())
-      state = wxGetTranslation(mStateScrub);
+   auto scrubState =
+      pProject ? pProject->GetScrubber().GetUntranslatedStateString() : wxString();
+   if (!scrubState.IsEmpty())
+      state = wxGetTranslation(scrubState);
    else if (mPlay->IsDown())
       state = wxGetTranslation(mStatePlay);
    else if (mRecord->IsDown())

src/toolbars/ControlToolBar.h

@@ -158,7 +158,6 @@ class ControlToolBar final : public ToolBar {
 
    // strings for status bar
    wxString mStatePlay;
-   wxString mStateScrub;
    wxString mStateStop;
    wxString mStateRecord;
    wxString mStatePause;

src/tracks/ui/Scrubbing.cpp

@@ -139,22 +139,43 @@ namespace {
    const struct MenuItem {
       wxString name;
       wxString label;
+      wxString status;
       void (Scrubber::*memFn)();
       bool scroll;
       bool seek;
+
+      const wxString &GetStatus() const { return status; }
    } menuItems[] = {
       /* i18n-hint: These commands assist the user in finding a sound by ear. ...
          "Scrubbing" is variable-speed playback, ...
          "Seeking" is normal speed playback but with skips, ...
          "Scrolling" keeps the playback position at a fixed place on screen while the waveform moves
        */
-      { wxT("Scrub"),       XO("&Scrub"),           &Scrubber::OnScrub,       false, false },
-      { wxT("ScrollScrub"), XO("Sc&rolling Scrub"), &Scrubber::OnScrollScrub, true,  false },
-      { wxT("Seek"),        XO("See&k"),            &Scrubber::OnSeek,        false, true  },
-      { wxT("ScrollSeek"),  XO("Scrollin&g Seek"),  &Scrubber::OnScrollSeek,  true,  true  },
+      { wxT("Scrub"),       XO("&Scrub"),           XO("Scrubbing"),
+         &Scrubber::OnScrub,       false,        false },
+
+      { wxT("ScrollScrub"), XO("Sc&rolling Scrub"), XO("Scrolling Scrub"),
+         &Scrubber::OnScrollScrub, true,         false },
+
+      { wxT("Seek"),        XO("See&k"),            XO("Seeking"),
+         &Scrubber::OnSeek,        false,        true  },
+
+      { wxT("ScrollSeek"),  XO("Scrollin&g Seek"),  XO("Scrolling Seek"),
+         &Scrubber::OnScrollSeek,  true,         true  }
    };
 
    enum { nMenuItems = sizeof(menuItems) / sizeof(*menuItems) };
+
+   inline const MenuItem &FindMenuItem(bool scroll, bool seek)
+   {
+      return *std::find_if(menuItems, menuItems + nMenuItems,
+         [=](const MenuItem &item) {
+            return scroll == item.scroll &&
+               seek == item.seek;
+         }
+      );
+   }
+
 }
 
 void Scrubber::MarkScrubStart(
@@ -619,6 +640,24 @@ void Scrubber::OnScrollSeek()
    DoScrub(true, true);
 }
 
+const wxString &Scrubber::GetUntranslatedStateString() const
+{
+   if (HasStartedScrubbing()) {
+      auto item = FindMenuItem(mSmoothScrollingScrub, mAlwaysSeeking);
+      return item.status;
+   }
+   else return {};
+}
+
+std::vector<wxString> Scrubber::GetAllUntranslatedStatusStrings()
+{
+   using namespace std;
+   vector<wxString> results;
+   transform(menuItems, menuItems + nMenuItems, back_inserter(results),
+             mem_fun_ref(&MenuItem::GetStatus));
+   return move(results);
+}
+
 void Scrubber::AddMenuItems()
 {
    auto cm = mProject->GetCommandManager();
@@ -644,13 +683,8 @@ void Scrubber::UncheckAllMenuItems()
 void Scrubber::CheckMenuItem()
 {
    if(HasStartedScrubbing()) {
-      auto &item = *std::find_if(menuItems, menuItems + nMenuItems,
-         [=](const MenuItem &item) {
-            return mSmoothScrollingScrub == item.scroll &&
-               mAlwaysSeeking == item.seek;
-         }
-      );
       auto cm = mProject->GetCommandManager();
+      auto item = FindMenuItem(mSmoothScrollingScrub, mAlwaysSeeking);
       cm->Check(item.name, true);
    }
 }

src/tracks/ui/Scrubbing.h

@@ -11,6 +11,7 @@ Paul Licameli split from TrackPanel.cpp
 #ifndef __AUDACITY_SCRUBBING__
 #define __AUDACITY_SCRUBBING__
 
+#include <vector>
 #include <wx/event.h>
 #include <wx/longlong.h>
 
@@ -68,6 +69,12 @@ public:
    void OnSeek();
    void OnScrollSeek();
 
+   // A string to put in the leftmost part of the status bar.
+   const wxString &GetUntranslatedStateString() const;
+
+   // All possible status strings.
+   static std::vector<wxString> GetAllUntranslatedStatusStrings();
+
 private:
    void DoScrub(bool scroll, bool seek);
    void OnActivateOrDeactivateApp(wxActivateEvent & event);