C++ UndoManager::ClearStates方法代码示例

//.........这里部分代码省略.........
   if (dlog.ShowModal() != wxID_OK) {
      return;
   }

   wxArrayString files;
   dlog.GetPaths(files);

   files.Sort();

   wxDialog * pD = safenew wxDialog(this, wxID_ANY, GetTitle());
   pD->SetName(pD->GetTitle());
   ShuttleGui S(pD, eIsCreating);

   S.StartVerticalLay(false);
   {
      S.StartStatic(_("Applying..."), 1);
      {
         wxImageList *imageList = new wxImageList(9, 16);
         imageList->Add(wxIcon(empty9x16_xpm));
         imageList->Add(wxIcon(arrow_xpm));

         S.SetStyle(wxSUNKEN_BORDER | wxLC_REPORT | wxLC_HRULES | wxLC_VRULES |
                    wxLC_SINGLE_SEL);
         mList = S.Id(CommandsListID).AddListControlReportMode();
         mList->AssignImageList(imageList, wxIMAGE_LIST_SMALL);
         mList->InsertColumn(0, _("File"), wxLIST_FORMAT_LEFT);
      }
      S.EndStatic();

      S.StartHorizontalLay(wxCENTER, false);
      {
         S.Id(wxID_CANCEL).AddButton(_("&Cancel"));
      }
      S.EndHorizontalLay();
   }
   S.EndVerticalLay();

   int i;
   for (i = 0; i < (int)files.GetCount(); i++ ) {
      mList->InsertItem(i, files[i], i == 0);
   }

   // Set the column size for the files list.
   mList->SetColumnWidth(0, wxLIST_AUTOSIZE);

   int width = mList->GetColumnWidth(0);
   wxSize sz = mList->GetClientSize();
   if (width > sz.GetWidth() && width < 500) {
      sz.SetWidth(width);
      mList->SetInitialSize(sz);
   }

   pD->Layout();
   pD->Fit();
   pD->SetSizeHints(pD->GetSize());
   pD->CenterOnScreen();
   pD->Move(-1, 0);
   pD->Show();
   Hide();

   mBatchCommands.ReadChain(name);
   for (i = 0; i < (int)files.GetCount(); i++) {
      wxWindowDisabler wd(pD);
      if (i > 0) {
         //Clear the arrow in previous item.
         mList->SetItemImage(i - 1, 0, 0);
      }
      mList->SetItemImage(i, 1, 1);
      mList->EnsureVisible(i);

      project->Import(files[i]);
      project->OnSelectAll();
      if (!mBatchCommands.ApplyChain()) {
         break;
      }

      if (!pD->IsShown() || mAbort) {
         break;
      }
      UndoManager *um = project->GetUndoManager();
      um->ClearStates();
      project->OnSelectAll();
      project->OnRemoveTracks();
   }
   project->OnRemoveTracks();

   // Under Linux an EndModal() here crashes (Bug #1221).
   // But sending a close message instead is OK.
#if !defined(__WXMAC__)
   wxCloseEvent Evt;
   Evt.SetId( wxID_OK );
   Evt.SetEventObject( this);
   ProcessWindowEvent( Evt );
#else
   EndModal(wxID_OK);
#endif 

   // Raise myself again, and the parent window with me
   Show();
}

//.........这里部分代码省略.........
        return;
    }

    wxString path = gPrefs->Read(wxT("/DefaultOpenPath"), ::wxGetCwd());
    wxString prompt =  project->GetCleanSpeechMode() ?
                       _("Select vocal file(s) for batch CleanSpeech Chain...") :
                       _("Select file(s) for batch processing...");
    wxString fileSelector = project->GetCleanSpeechMode() ?
                            _("Vocal files (*.wav;*.mp3)|*.wav;*.mp3|WAV files (*.wav)|*.wav|MP3 files (*.mp3)|*.mp3") :
                            _("All files (*.*)|*.*|WAV files (*.wav)|*.wav|AIFF files (*.aif)|*.aif|AU files (*.au)|*.au|MP3 files (*.mp3)|*.mp3|Ogg Vorbis files (*.ogg)|*.ogg|FLAC files (*.flac)|*.flac"
                             );

    FileDialog dlog(this, prompt,
                    path, wxT(""), fileSelector,
                    wxFD_OPEN | wxFD_MULTIPLE | wxRESIZE_BORDER);

    if (dlog.ShowModal() != wxID_OK) {
        return;
    }

    wxArrayString files;
    dlog.GetPaths(files);

    files.Sort();

    wxDialog d(this, wxID_ANY, GetTitle());
    ShuttleGui S(&d, eIsCreating);

    S.StartVerticalLay(false);
    {
        S.StartStatic(_("Applying..."), 1);
        {
            wxImageList *imageList = new wxImageList(9, 16);
            imageList->Add(wxIcon(empty_9x16_xpm));
            imageList->Add(wxIcon(arrow_xpm));

            S.SetStyle(wxSUNKEN_BORDER | wxLC_REPORT | wxLC_HRULES | wxLC_VRULES |
                       wxLC_SINGLE_SEL);
            mList = S.AddListControlReportMode();
            mList->AssignImageList(imageList, wxIMAGE_LIST_SMALL);
            mList->InsertColumn(0, _("File"), wxLIST_FORMAT_LEFT);
        }
        S.EndStatic();

        S.StartHorizontalLay(wxCENTER, false);
        {
            S.Id(wxID_CANCEL).AddButton(_("&Cancel"));
        }
        S.EndHorizontalLay();
    }
    S.EndVerticalLay();

    int i;
    for (i = 0; i < (int)files.GetCount(); i++ ) {
        mList->InsertItem(i, files[i], i == 0);
    }

    // Set the column size for the files list.
    mList->SetColumnWidth(0, wxLIST_AUTOSIZE);

    int width = mList->GetColumnWidth(0);
    wxSize sz = mList->GetClientSize();
    if (width > sz.GetWidth() && width < 500) {
        sz.SetWidth(width);
        mList->SetInitialSize(sz);
    }

    d.Layout();
    d.Fit();
    d.SetSizeHints(d.GetSize());
    d.CenterOnScreen();
    d.Move(-1, 0);
    d.Show();
    Hide();

    mBatchCommands.ReadChain(name);
    for (i = 0; i < (int)files.GetCount(); i++) {
        wxWindowDisabler wd(&d);
        if (i > 0) {
            //Clear the arrow in previous item.
            mList->SetItemImage(i - 1, 0, 0);
        }
        mList->SetItemImage(i, 1, 1);
        mList->EnsureVisible(i);

        project->OnRemoveTracks();
        project->Import(files[i]);
        project->OnSelectAll();
        if (!mBatchCommands.ApplyChain()) {
            break;
        }

        if (!d.IsShown() || mAbort) {
            break;
        }
        UndoManager *um = project->GetUndoManager();
        um->ClearStates();
    }
    project->OnRemoveTracks();
}