Fix Big Time TimerToolBar, Stage I

- Update on idle (new idiom from Paul)
- Dock at x1 or x2 size
- Smooth resizing
- Take some account of width when resizing
- Promote Resizable docking code to ToolBar class

src/toolbars/MeterToolBar.cpp

@@ -248,21 +248,6 @@ bool MeterToolBar::Expose( bool show )
    return ToolBar::Expose( show );
 }
 
-wxSize MeterToolBar::GetDockedSize()
-{
-   const int tbs = toolbarSingle + toolbarGap;
-   wxSize sz = GetSize();
-   wxSize sz2 = GetMinSize();
-   sz.x = wxMax( sz.x, sz2.x );
-   sz.y = wxMax( sz.y, sz2.y );
-   // 50 is the size where we switch from expanded to compact.
-   if( sz.y < 50 )
-      sz.y = tbs-1;
-   else 
-      sz.y = 2 * tbs -1;
-   return sz;
-}
-
 // The meter's sizing code does not take account of the resizer
 // Hence after docking we need to enlarge the bar (using fit)
 // so that the resizer can be reached.

src/toolbars/MeterToolBar.h

@@ -50,7 +50,9 @@ class MeterToolBar final : public ToolBar {
    int GetInitialWidth() override {return (mWhichMeters ==
       (kWithRecordMeter + kWithPlayMeter)) ? 338 : 460;} // Separate bars used to be smaller.
    int GetMinToolbarWidth()  override { return 150; }
-   wxSize GetDockedSize() override;
+   wxSize GetDockedSize() override {
+      return GetSmartDockedSize();
+   };
    virtual void SetDocked(ToolDock *dock, bool pushed)override;
 
  private:

src/toolbars/TimerToolBar.cpp

@@ -43,7 +43,10 @@
 #include "../KeyboardCapture.h"
 #include "../Prefs.h"
 #include "../Project.h"
+#include "../ProjectAudioIO.h"
+#include "../ProjectSettings.h"
 #include "../Snap.h"
+#include "../ViewInfo.h"
 #include "../widgets/NumericTextCtrl.h"
 #include "../AllThemeResources.h"
 
@@ -59,8 +62,9 @@ enum {
 };
 
 BEGIN_EVENT_TABLE(TimerToolBar, ToolBar)
-EVT_SIZE(TimerToolBar::OnSize)
-EVT_COMMAND(wxID_ANY, EVT_CAPTURE_KEY, TimerToolBar::OnCaptureKey)
+  EVT_SIZE(TimerToolBar::OnSize)
+  EVT_IDLE( TimerToolBar::OnIdle )
+  EVT_COMMAND(wxID_ANY, EVT_CAPTURE_KEY, TimerToolBar::OnCaptureKey)
 END_EVENT_TABLE()
 
 TimerToolBar::TimerToolBar( AudacityProject &project )
@@ -119,26 +123,36 @@ void TimerToolBar::UpdatePrefs()
    ToolBar::UpdatePrefs();
 }
 
-void TimerToolBar::OnSize(wxSizeEvent & event)
+void TimerToolBar::OnSize(wxSizeEvent & ev)
 {
-   event.Skip();
+   ev.Skip();
+
+   if (!mAudioTime)
+      return;
    
-   int sh = GetSize().GetHeight() - 10;
-   
-   if (mAudioTime)
-   {
-      mAudioTime->SetDigitSize( sh*.63, sh );
-      wxSize ms = mAudioTime->GetSize();
-      //int mw = ms.GetWidth();
-      //mAudioTime->SetMinSize(GetSizer()->GetMinSize());
-      //printf("(size) %i %i\n", GetSizer()->GetSize());
-   }
-   //SetMinSize( GetSizer()->GetMinSize() );
-   //Layout();
-   //Fit();
-   
-   //Refresh(true);
-   //evt.Skip();
+   // This 'OnSize' function is also called during moving the
+   // toolbar.  
+
+   // 10 and 40 are magic numbers to allow some space around
+   // the numeric control.  The horizontal space reserved
+   // is deliberately not quite enough.  Size of font is set
+   // primarily by the height of the toolbar.  The width 
+   // calculations just stop the font width being 
+   // ridiculously too large to fit.
+   // In practice a user will drag the size to get a good font
+   // size and adjust the width so that part of the control 
+   // does not disappear.
+   float f = mAudioTime->GetAspectRatio();
+   int sh = wxMax( 5, ev.GetSize().GetHeight() - 10);
+   int sw = wxMax( sh, ev.GetSize().GetWidth() - 40)/f;
+   sh = wxMin( sh, sw );
+   mAudioTime->SetDigitSize( sh*0.63, sh );
+
+   // Refresh and update immediately, so that we don't get 
+   // to see grot from partly redrawn toolbar during 
+   // the resizing.
+   Refresh(false);
+   Update();
 }
 
 void TimerToolBar::SetTimes(double audio)
@@ -169,9 +183,24 @@ void TimerToolBar::OnCaptureKey(wxCommandEvent &event)
    event.Skip();
 }
 
-void TimerToolBar::SetDocked(ToolDock *dock, bool pushed) {
-   ToolBar::SetDocked(dock, pushed);
-   Fit();
+void TimerToolBar::OnIdle( wxIdleEvent &evt )
+{
+   evt.Skip();
+   auto &project = mProject;
+
+   double audioTime;
+
+   auto &projectAudioIO = ProjectAudioIO::Get( project );
+   if ( projectAudioIO.IsAudioActive() ){
+      auto gAudioIO = AudioIOBase::Get();
+      audioTime = gAudioIO->GetStreamTime();
+   }
+   else {
+      const auto &playRegion = ViewInfo::Get( project ).playRegion;
+      audioTime = playRegion.GetStart();
+   }
+
+   SetTimes( audioTime);
 }
 
 

src/toolbars/TimerToolBar.h

@@ -37,6 +37,10 @@ public:
    
    void SetTimes(double audio);
    void RegenerateTooltips() override {};
+   wxSize GetDockedSize() override {
+      return GetSmartDockedSize();
+   };
+
    
 private:
    NumericTextCtrl * AddTime( const TranslatableString &Name, int id);
@@ -44,8 +48,8 @@ private:
    void OnFocus(wxFocusEvent &event);
    void OnCaptureKey(wxCommandEvent &event);
    void OnSize(wxSizeEvent &evt);
+   void OnIdle( wxIdleEvent &evt );
    void OnSnapTo(wxCommandEvent & event);
-   virtual void SetDocked(ToolDock *dock, bool pushed) override;
    
    SelectionBarListener * mListener;
    double mRate;

src/toolbars/ToolBar.cpp

@@ -483,6 +483,22 @@ void ToolBar::SetToDefaultSize(){
    SetSize( sz );
 }
 
+wxSize ToolBar::GetSmartDockedSize()
+{
+   const int tbs = toolbarSingle + toolbarGap;
+   wxSize sz = GetSize();
+   wxSize sz2 = GetMinSize();
+   sz.x = wxMax( sz.x, sz2.x );
+   sz.y = wxMax( sz.y, sz2.y );
+   // 46 is the size where we switch from expanded to compact.
+   if( sz.y < 46 )
+      sz.y = tbs-1;
+   else 
+      sz.y = 2 * tbs -1;
+   return sz;
+}
+
+
 void ToolBar::ReCreateButtons()
 {
    wxSize sz3 = GetSize();

src/toolbars/ToolBar.h

@@ -141,6 +141,10 @@ public:
    virtual int GetInitialWidth() { return -1; }
    virtual int GetMinToolbarWidth() { return GetInitialWidth(); }
    virtual wxSize GetDockedSize() { return GetMinSize(); }
+   
+   // Utility function for certain resizable toolbars.
+   // Allows them to dock at normal or double size.
+   wxSize GetSmartDockedSize();
 
  public:
    static

src/widgets/NumericTextCtrl.h

@@ -216,6 +216,8 @@ class NumericTextCtrl final : public wxControl, public NumericConverter
 
    int GetFocusedField() { return mLastField; }
    int GetFocusedDigit() { return mFocusedDigit; }
+   // give a sane aspect ratio even if zero height.
+   float GetAspectRatio() { return mHeight ? (mWidth / mHeight):10; }
 
 private:
 

win/Projects/Audacity/Audacity.vcxproj

@@ -596,6 +596,7 @@
     <ClInclude Include="..\..\..\src\toolbars\ScrubbingToolBar.h" />
     <ClInclude Include="..\..\..\src\toolbars\SpectralSelectionBar.h" />
     <ClInclude Include="..\..\..\src\toolbars\SpectralSelectionBarListener.h" />
+    <ClInclude Include="..\..\..\src\toolbars\TimerToolBar.h" />
     <ClInclude Include="..\..\..\src\TrackPanelCell.h" />
     <ClInclude Include="..\..\..\src\TrackPanelDrawable.h" />
     <ClInclude Include="..\..\..\src\TrackPanelDrawingContext.h" />

win/Projects/Audacity/Audacity.vcxproj.filters

@@ -2467,6 +2467,9 @@
     <ClInclude Include="..\..\..\src\effects\lv2\zix\ring.h">
       <Filter>src\effects\lv2\zix</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\toolbars\TimerToolBar.h">
+      <Filter>src\toolbars</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Image Include="..\..\audacity.ico">
@@ -2481,15 +2484,6 @@
   <ItemGroup>
     <None Include="..\..\ny.rules" />
     <None Include="..\..\po.rules" />
-    <None Include="..\..\..\nyquist\sliders.lsp">
-      <Filter>nyquist</Filter>
-    </None>
-    <None Include="..\..\..\nyquist\spec-plot.lsp">
-      <Filter>nyquist</Filter>
-    </None>
-    <None Include="..\..\..\nyquist\spectral-analysis.lsp">
-      <Filter>nyquist</Filter>
-    </None>
     <None Include="..\..\..\nyquist\system.lsp">
       <Filter>nyquist</Filter>
     </None>
@@ -2624,6 +2618,9 @@
     <CustomBuild Include="..\..\..\nyquist\nyinit-dbg.lsp">
       <Filter>nyquist</Filter>
     </CustomBuild>
+    <CustomBuild Include="..\..\..\nyquist\sliders.lsp" />
+    <CustomBuild Include="..\..\..\nyquist\spec-plot.lsp" />
+    <CustomBuild Include="..\..\..\nyquist\spectral-analysis.lsp" />
   </ItemGroup>
   <ItemGroup>
     <copy Include="..\..\..\plug-ins\adjustable-fade.ny">