Screen capture preference panels too.

src/Menus.cpp

@@ -4231,6 +4231,9 @@ void AudacityProject::OnPreferences()
 {
    GlobalPrefsDialog dialog(this /* parent */ );
 
+   if( ScreenshotCommand::MayCapture( &dialog ) )
+      return;
+
    if (!dialog.ShowModal()) {
       // Canceled
       return;

src/Screenshot.cpp

@@ -72,6 +72,7 @@ class ScreenFrame final : public wxFrame
    void OnCaptureToolbars(wxCommandEvent & event);
    void OnCaptureMenus(wxCommandEvent & event);
    void OnCaptureEffects(wxCommandEvent & event);
+   void OnCapturePreferences(wxCommandEvent & event);
    void OnCaptureSelectionBar(wxCommandEvent & event);
    void OnCaptureTools(wxCommandEvent & event);
    void OnCaptureTransport(wxCommandEvent & event);
@@ -182,6 +183,7 @@ enum
    IdCaptureToolbars,
    IdCaptureMenus,
    IdCaptureEffects,
+   IdCapturePreferences,
    IdCaptureSelectionBar,
    IdCaptureTools,
    IdCaptureTransport,
@@ -228,6 +230,7 @@ BEGIN_EVENT_TABLE(ScreenFrame, wxFrame)
    EVT_BUTTON(IdCaptureToolbars,        ScreenFrame::OnCaptureToolbars)
    EVT_BUTTON(IdCaptureMenus,           ScreenFrame::OnCaptureMenus)
    EVT_BUTTON(IdCaptureEffects,         ScreenFrame::OnCaptureEffects)
+   EVT_BUTTON(IdCapturePreferences,     ScreenFrame::OnCapturePreferences)
    EVT_BUTTON(IdCaptureSelectionBar,    ScreenFrame::OnCaptureSelectionBar)
    EVT_BUTTON(IdCaptureTools,           ScreenFrame::OnCaptureTools)
    EVT_BUTTON(IdCaptureTransport,       ScreenFrame::OnCaptureTransport)
@@ -392,6 +395,7 @@ void ScreenFrame::PopulateOrExchange(ShuttleGui & S)
 #ifdef EXPERIMENTAL_DOCS_AUTOMATION
             S.Id(IdCaptureMenus).AddButton(_("All Menus"));
             S.Id(IdCaptureEffects).AddButton(_("All Effects"));
+            S.Id(IdCapturePreferences).AddButton(_("All Preferences"));
 #endif
          }
          S.EndHorizontalLay();
@@ -629,6 +633,11 @@ void ScreenFrame::OnCaptureEffects(wxCommandEvent & WXUNUSED(event))
    DoCapture(wxT("effects"));
 }
 
+void ScreenFrame::OnCapturePreferences(wxCommandEvent & WXUNUSED(event))
+{
+   DoCapture(wxT("preferences"));
+}
+
 void ScreenFrame::OnCaptureSelectionBar(wxCommandEvent & WXUNUSED(event))
 {
    DoCapture(wxT("selectionbar"));

src/commands/ScreenshotCommand.cpp

@@ -42,6 +42,7 @@ project window.
 #include "../toolbars/ToolsToolBar.h"
 #include "../toolbars/TranscriptionToolBar.h"
 #include "../widgets/Ruler.h"
+#include "../Prefs.h"
 
 #if defined(__WXMAC__) && !wxCHECK_VERSION(3, 0, 0)
 //
@@ -376,16 +377,13 @@ void ScreenshotCommand::CaptureWindowOnIdle( wxWindow * pWin )
 
    wxPoint Pos = pDlg->GetScreenPosition();
    wxSize Siz = pDlg->GetSize();
-   wxString Name = mDirToWriteTo;
    wxString Title = pDlg->GetTitle();
 
    // Remove '/' from "Sliding Time Scale/Pitch Shift..."
    // and any other effects that have illegal filename chanracters.
    Title.Replace( "/", "" );
-   Name.Replace( "effects000", Title );
+   Title.Replace( ":", "" );
-
+   wxString Name = mDirToWriteTo + Title + ".png";
-   int x = 0, y = 0;
-   int width, height;
 
    wxLogDebug("Taking screenshot of window %s (%i,%i,%i,%i)", Name, 
          Pos.x, Pos.y, Siz.x, Siz.y );
@@ -400,13 +398,39 @@ void ScreenshotCommand::CaptureWindowOnIdle( wxWindow * pWin )
    pDlg->GetEventHandler()->AddPendingEvent( Evt );
 }
 
+void ScreenshotCommand::CapturePreferences( AudacityProject * pProject, const wxString &fileName ){
+   fileName;//compiler food.
+   CommandManager * pMan = pProject->GetCommandManager();
+
+   // Yucky static variables.  Is there a better way?  The problem is that we need the
+   // idle callback to know more about what to do.
+   mDirToWriteTo = fileName.BeforeLast('\\') + "\\";
+   mpShooter = this;
+   const int nPrefsPages = 19;
+
+   for( int i=0;i<nPrefsPages;i++){
+      // The handler is cleared each time it is used.
+      SetIdleHandler( IdleHandler );
+      gPrefs->Write(wxT("/Prefs/PrefsCategory"), (long)i);
+      gPrefs->Flush();
+      wxString Command = "Preferences";
+      if( !pMan->HandleTextualCommand( Command, AlwaysEnabledFlag, AlwaysEnabledFlag ) )
+      {
+         wxLogDebug("Command %s not found", Command );
+      }
+      // This sleep is not needed, but gives user a chance to see the
+      // dialogs as they whizz by.
+      wxMilliSleep( 200 );
+   }
+}
+
 void ScreenshotCommand::CaptureEffects( AudacityProject * pProject, const wxString &fileName ){
    fileName;//compiler food.
    CommandManager * pMan = pProject->GetCommandManager();
    wxString Str;
    // Yucky static variables.  Is there a better way?  The problem is that we need the
    // idle callback to know more about what to do.
-   mDirToWriteTo = fileName;
+   mDirToWriteTo = fileName.BeforeLast('/') + "/";
    mpShooter = this;
 
 #define TRICKY_CAPTURE
@@ -523,6 +547,7 @@ void ScreenshotCommandType::BuildSignature(CommandSignature &signature)
    captureModeValidator->AddOption(wxT("toolbars"));
    captureModeValidator->AddOption(wxT("menus"));
    captureModeValidator->AddOption(wxT("effects"));
+   captureModeValidator->AddOption(wxT("preferences"));
    captureModeValidator->AddOption(wxT("selectionbar"));
    captureModeValidator->AddOption(wxT("tools"));
    captureModeValidator->AddOption(wxT("transport"));
@@ -708,6 +733,10 @@ bool ScreenshotCommand::Apply(CommandExecutionContext context)
    {
       CaptureEffects(context.GetProject(), fileName);
    }
+   else if (captureMode.IsSameAs(wxT("preferences")))
+   {
+      CapturePreferences(context.GetProject(), fileName);
+   }
    else if (captureMode.IsSameAs(wxT("selectionbar")))
    {
       CaptureDock(context.GetProject()->GetToolManager()->GetBotDock(), fileName);

src/commands/ScreenshotCommand.h

@@ -49,6 +49,7 @@ private:
    void CaptureDock(wxWindow *win, const wxString &fileName);
    void CaptureMenus(wxMenuBar*pBar, const wxString &fileName);
    void CaptureEffects( AudacityProject * pProject, const wxString &fileName );
+   void CapturePreferences( AudacityProject * pProject, const wxString &fileName );
    void Capture(const wxString &basename,
          wxWindow *window,
          int x, int y, int width, int height,