Bug 2418 - Time toolbar displays incorrect time if project rate isn't 44100

src/ProjectSettings.cpp

@@ -163,6 +163,20 @@ const NumericFormatSymbol & ProjectSettings::GetAudioTimeFormat() const
    return mAudioTimeFormat;
 }
 
+double ProjectSettings::GetRate() const
+{
+   return mRate;
+}
+
+void ProjectSettings::SetRate(double rate)
+{
+   auto &project = mProject;
+   if (rate != mRate) {
+      mRate = rate;
+      Notify( project, ChangedProjectRate );
+   }
+}
+
 void ProjectSettings::SetSnapTo(int snap)
 {
    mSnapTo = snap;

src/ProjectSettings.h

@@ -58,14 +58,13 @@ public:
    // Values retrievable from GetInt() of the event for settings change
    enum EventCode : int {
       ChangedSyncLock,
+      ChangedProjectRate
    };
 
    explicit ProjectSettings( AudacityProject &project );
    ProjectSettings( const ProjectSettings & ) PROHIBITED;
    ProjectSettings &operator=( const ProjectSettings & ) PROHIBITED;
 
-   double GetRate() const { return mRate; }
-   void SetRate( double value ) { mRate = value; }
 
    bool GetTracksFitVerticallyZoomed() const { return mTracksFitVerticallyZoomed; } //lda
    void SetTracksFitVerticallyZoomed(bool flag) { mTracksFitVerticallyZoomed = flag; } //lda
@@ -76,6 +75,11 @@ public:
    bool IsSyncLocked() const;
    void SetSyncLock(bool flag);
    
+   // Rate
+
+   void SetRate(double rate);
+   double GetRate() const;
+
    // Snap To
 
    void SetSnapTo(int snap);

src/toolbars/TimeToolBar.cpp

@@ -23,12 +23,13 @@
 #include <wx/sizer.h>
 #endif
 
+#include "SelectionBarListener.h"
 #include "TimeToolBar.h"
 #include "ToolManager.h"
-#include "SelectionBarListener.h"
 
 #include "../AudioIO.h"
 #include "../ProjectAudioIO.h"
+#include "../ProjectSettings.h"
 #include "../ViewInfo.h"
 
 IMPLEMENT_CLASS(TimeToolBar, ToolBar);
@@ -51,6 +52,7 @@ TimeToolBar::TimeToolBar(AudacityProject &project)
    mListener(NULL),
    mAudioTime(NULL)
 {
+   project.Bind(EVT_PROJECT_SETTINGS_CHANGE, &TimeToolBar::OnSettingsChanged, this);
 }
 
 TimeToolBar::~TimeToolBar()
@@ -70,16 +72,13 @@ const TimeToolBar &TimeToolBar::Get(const AudacityProject &project)
 
 void TimeToolBar::Populate()
 {
+   const auto &settings = ProjectSettings::Get(mProject);
+
    // Get the default sample rate
-   auto rate = gPrefs->Read(wxT("/SamplingRate/DefaultProjectSampleRate"),
-                            AudioIO::GetOptimalSupportedSampleRate());
+   auto rate = settings.GetRate();
 
    // Get the default time format
-   auto format = NumericConverter::HoursMinsSecondsFormat();
-   if (mListener)
-   {
-      format = mListener->TT_GetAudioTimeFormat();
-   }
+   auto format = settings.GetAudioTimeFormat();
 
    // Create the read-only time control
    mAudioTime = safenew NumericTextCtrl(this, AudioPositionID, NumericConverter::TIME, format, 0.0, rate);
@@ -261,6 +260,18 @@ void TimeToolBar::SetResizingLimits()
    SetMaxSize(maxSize);
 }
 
+// Called when the project settings change
+void TimeToolBar::OnSettingsChanged(wxCommandEvent &evt)
+{
+   evt.Skip(false);
+
+   if (evt.GetInt() == ProjectSettings::ChangedProjectRate && mAudioTime)
+   {
+      const auto &settings = ProjectSettings::Get(mProject);
+      mAudioTime->SetSampleRate(settings.GetRate());
+   }
+}
+
 // Called when the format drop downs is changed.
 // This causes recreation of the toolbar contents.
 void TimeToolBar::OnUpdate(wxCommandEvent &evt)

src/toolbars/TimeToolBar.h

@@ -46,6 +46,7 @@ private:
    void SetResizingLimits();
    wxSize ComputeSizing(int digitH);
 
+   void OnSettingsChanged(wxCommandEvent &evt);
    void OnUpdate(wxCommandEvent &evt);
    void OnSize(wxSizeEvent &evt);
    void OnIdle(wxIdleEvent &evt);