Better fix for bug 802.

src/Project.cpp

@@ -742,6 +742,7 @@ AudacityProject::AudacityProject(wxWindow * parent, wxWindowID id,
      mSnapTo(gPrefs->Read(wxT("/SnapTo"), SNAP_OFF)),
      mSelectionFormat(gPrefs->Read(wxT("/SelectionFormat"), wxT(""))),
      mDirty(false),
+     mRuler(NULL),
      mTrackPanel(NULL),
      mTrackFactory(NULL),
      mAutoScrolling(false),
@@ -1067,6 +1068,10 @@ void AudacityProject::UpdatePrefs()
       mToolManager->UpdatePrefs();
    }
 
+   if (mRuler) {
+      mRuler->RegenerateTooltips();
+   }
+
    // The toolbars will be recreated, so make sure we don't leave
    // a stale pointer hanging around.
    mLastFocusedWindow = NULL;

src/widgets/Ruler.cpp

@@ -62,6 +62,7 @@ array of Ruler::Label.
 #include <wx/dcbuffer.h>
 #include <wx/settings.h>
 
+#include "../AudioIO.h"
 #include "../Internat.h"
 #include "../Project.h"
 #include "Ruler.h"
@@ -70,6 +71,7 @@ array of Ruler::Label.
 #include "../AllThemeResources.h"
 #include "../Experimental.h"
 #include "../TimeTrack.h"
+#include <wx/tooltip.h>
 
 #define max(a,b)  ( (a<b)?b:a )
 
@@ -1632,6 +1634,18 @@ AdornedRulerPanel::AdornedRulerPanel(wxWindow* parent,
                     mInner.GetBottom() );
    ruler.SetLabelEdges( false );
    ruler.SetFormat( Ruler::TimeFormat );
+
+   mIsRecording = false;
+
+#if wxUSE_TOOLTIPS
+   RegenerateTooltips();
+   wxToolTip::Enable(true);
+#endif
+
+   wxTheApp->Connect(EVT_AUDIOIO_CAPTURE,
+                     wxCommandEventHandler(AdornedRulerPanel::OnCapture),
+                     NULL,
+                     this);
 }
 
 AdornedRulerPanel::~AdornedRulerPanel()
@@ -1639,6 +1653,34 @@ AdornedRulerPanel::~AdornedRulerPanel()
    delete mBuffer;
 }
 
+void AdornedRulerPanel::RegenerateTooltips()
+{
+#if wxUSE_TOOLTIPS
+   if (mIsRecording)
+      this->SetToolTip(_("Timeline actions disabled during recording"));
+   else
+      this->SetToolTip(_("Timeline - Quick Play enabled"));
+#endif
+}
+
+void AdornedRulerPanel::OnCapture(wxCommandEvent & evt)
+{
+   evt.Skip();
+
+   if (evt.GetInt() != 0)
+   {
+      // Set cursor immediately  because OnMouseEvents is not called
+      // if recording is initiated by a modal window (Timer Record).
+      SetCursor(wxCursor(wxCURSOR_DEFAULT));
+      mIsRecording = true;
+   }
+   else {
+      SetCursor(wxCursor(wxCURSOR_HAND));
+      mIsRecording = false;
+   }
+   RegenerateTooltips();
+}
+
 void AdornedRulerPanel::OnErase(wxEraseEvent & WXUNUSED(evt))
 {
    // Ignore it to prevent flashing
@@ -1723,11 +1765,9 @@ bool AdornedRulerPanel::IsWithinMarker(int mousePosX, double markerTime)
 
 void AdornedRulerPanel::OnMouseEvents(wxMouseEvent &evt)
 {
-   // Prevent accidentally stopping recording.
+   // Disable mouse actions on Timeline while recording.
-   if (GetActiveProject()->GetControlToolBar()->IsRecordDown()) {
+   if (mIsRecording)
-      SetCursor(wxCursor(wxCURSOR_DEFAULT));
       return;
-   }
 
    bool isWithinStart = IsWithinMarker(evt.GetX(), mPlayRegionStart);
    bool isWithinEnd = IsWithinMarker(evt.GetX(), mPlayRegionEnd);

src/widgets/Ruler.h

@@ -268,7 +268,10 @@ public:
    void SetProject(AudacityProject* project) {mProject = project;};
    void GetMaxSize(wxCoord *width, wxCoord *height);
 
+   void RegenerateTooltips();
+
 private:
+   void OnCapture(wxCommandEvent & evt);
    void OnErase(wxEraseEvent &evt);
    void OnPaint(wxPaintEvent &evt);
    void OnSize(wxSizeEvent &evt);
@@ -306,6 +309,8 @@ private:
    double mPlayRegionStart;
    double mPlayRegionEnd;
 
+   bool mIsRecording;
+
    enum MouseEventState {
       mesNone,
       mesDraggingPlayRegionStart,