include/wx/docview.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        docview.h
   3 // Purpose:     Doc/View classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DOCH__
  13 #define _WX_DOCH__
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_DOC_VIEW_ARCHITECTURE
  18
  19 #include "wx/list.h"
  20 #include "wx/cmndata.h"
  21 #include "wx/string.h"
  22 #include "wx/frame.h"
  23
  24 #if wxUSE_PRINTING_ARCHITECTURE
  25     #include "wx/print.h"
  26 #endif
  27
  28 class WXDLLEXPORT wxWindow;
  29 class WXDLLEXPORT wxDocument;
  30 class WXDLLEXPORT wxView;
  31 class WXDLLEXPORT wxDocTemplate;
  32 class WXDLLEXPORT wxDocManager;
  33 class WXDLLEXPORT wxPrintInfo;
  34 class WXDLLEXPORT wxCommandProcessor;
  35 class WXDLLEXPORT wxFileHistory;
  36 class WXDLLEXPORT wxConfigBase;
  37
  38 #if wxUSE_STD_IOSTREAM
  39   #include "wx/iosfwrap.h"
  40 #else
  41   #include "wx/stream.h"
  42 #endif
  43
  44 // Document manager flags
  45 enum
  46 {
  47     wxDOC_SDI = 1,
  48     wxDOC_MDI,
  49     wxDOC_NEW,
  50     wxDOC_SILENT,
  51     wxDEFAULT_DOCMAN_FLAGS = wxDOC_SDI
  52 };
  53
  54 // Document template flags
  55 enum
  56 {
  57     wxTEMPLATE_VISIBLE = 1,
  58     wxTEMPLATE_INVISIBLE,
  59     wxDEFAULT_TEMPLATE_FLAGS = wxTEMPLATE_VISIBLE
  60 };
  61
  62 #define wxMAX_FILE_HISTORY 9
  63
  64 class WXDLLEXPORT wxDocument : public wxEvtHandler
  65 {
  66 public:
  67     wxDocument(wxDocument *parent = (wxDocument *) NULL);
  68     ~wxDocument();
  69
  70     // accessors
  71     void SetFilename(const wxString& filename, bool notifyViews = false);
  72     wxString GetFilename() const { return m_documentFile; }
  73
  74     void SetTitle(const wxString& title) { m_documentTitle = title; };
  75     wxString GetTitle() const { return m_documentTitle; }
  76
  77     void SetDocumentName(const wxString& name) { m_documentTypeName = name; };
  78     wxString GetDocumentName() const { return m_documentTypeName; }
  79
  80     bool GetDocumentSaved() const { return m_savedYet; }
  81     void SetDocumentSaved(bool saved = true) { m_savedYet = saved; }
  82
  83     virtual bool Close();
  84     virtual bool Save();
  85     virtual bool SaveAs();
  86     virtual bool Revert();
  87
  88 #if wxUSE_STD_IOSTREAM
  89     virtual wxSTD ostream& SaveObject(wxSTD ostream& stream);
  90     virtual wxSTD istream& LoadObject(wxSTD istream& stream);
  91 #else
  92     virtual wxOutputStream& SaveObject(wxOutputStream& stream);
  93     virtual wxInputStream& LoadObject(wxInputStream& stream);
  94 #endif
  95
  96     // Called by wxWidgets
  97     virtual bool OnSaveDocument(const wxString& filename);
  98     virtual bool OnOpenDocument(const wxString& filename);
  99     virtual bool OnNewDocument();
 100     virtual bool OnCloseDocument();
 101
 102     // Prompts for saving if about to close a modified document. Returns true
 103     // if ok to close the document (may have saved in the meantime, or set
 104     // modified to false)
 105     virtual bool OnSaveModified();
 106
 107     // Called by framework if created automatically by the default document
 108     // manager: gives document a chance to initialise and (usually) create a
 109     // view
 110     virtual bool OnCreate(const wxString& path, long flags);
 111
 112     // By default, creates a base wxCommandProcessor.
 113     virtual wxCommandProcessor *OnCreateCommandProcessor();
 114     virtual wxCommandProcessor *GetCommandProcessor() const { return m_commandProcessor; }
 115     virtual void SetCommandProcessor(wxCommandProcessor *proc) { m_commandProcessor = proc; }
 116
 117     // Called after a view is added or removed. The default implementation
 118     // deletes the document if this is there are no more views.
 119     virtual void OnChangedViewList();
 120
 121     virtual bool DeleteContents();
 122
 123     virtual bool Draw(wxDC&);
 124     virtual bool IsModified() const { return m_documentModified; }
 125     virtual void Modify(bool mod) { m_documentModified = mod; }
 126
 127     virtual bool AddView(wxView *view);
 128     virtual bool RemoveView(wxView *view);
 129     wxList& GetViews() const { return (wxList&) m_documentViews; }
 130     wxView *GetFirstView() const;
 131
 132     virtual void UpdateAllViews(wxView *sender = (wxView *) NULL, wxObject *hint = (wxObject *) NULL);
 133     virtual void NotifyClosing();
 134
 135     // Remove all views (because we're closing the document)
 136     virtual bool DeleteAllViews();
 137
 138     // Other stuff
 139     virtual wxDocManager *GetDocumentManager() const;
 140     virtual wxDocTemplate *GetDocumentTemplate() const { return m_documentTemplate; }
 141     virtual void SetDocumentTemplate(wxDocTemplate *temp) { m_documentTemplate = temp; }
 142
 143     // Get title, or filename if no title, else [unnamed]
 144     virtual bool GetPrintableName(wxString& buf) const;
 145
 146     // Returns a window that can be used as a parent for document-related
 147     // dialogs. Override if necessary.
 148     virtual wxWindow *GetDocumentWindow() const;
 149
 150 protected:
 151     wxList                m_documentViews;
 152     wxString              m_documentFile;
 153     wxString              m_documentTitle;
 154     wxString              m_documentTypeName;
 155     wxDocTemplate*        m_documentTemplate;
 156     bool                  m_documentModified;
 157     wxDocument*           m_documentParent;
 158     wxCommandProcessor*   m_commandProcessor;
 159     bool                  m_savedYet;
 160
 161     // Called by OnSaveDocument and OnOpenDocument to implement standard
 162     // Save/Load behavior. Re-implement in derived class for custom
 163     // behavior.
 164     virtual bool DoSaveDocument(const wxString& file);
 165     virtual bool DoOpenDocument(const wxString& file);
 166
 167 private:
 168     DECLARE_ABSTRACT_CLASS(wxDocument)
 169     DECLARE_NO_COPY_CLASS(wxDocument)
 170 };
 171
 172 class WXDLLEXPORT wxView: public wxEvtHandler
 173 {
 174 public:
 175     //  wxView(wxDocument *doc = (wxDocument *) NULL);
 176     wxView();
 177     ~wxView();
 178
 179     wxDocument *GetDocument() const { return m_viewDocument; }
 180     virtual void SetDocument(wxDocument *doc);
 181
 182     wxString GetViewName() const { return m_viewTypeName; }
 183     void SetViewName(const wxString& name) { m_viewTypeName = name; };
 184
 185     wxWindow *GetFrame() const { return m_viewFrame ; }
 186     void SetFrame(wxWindow *frame) { m_viewFrame = frame; }
 187
 188     virtual void OnActivateView(bool activate, wxView *activeView, wxView *deactiveView);
 189     virtual void OnDraw(wxDC *dc) = 0;
 190     virtual void OnPrint(wxDC *dc, wxObject *info);
 191     virtual void OnUpdate(wxView *sender, wxObject *hint = (wxObject *) NULL);
 192     virtual void OnClosingDocument() {}
 193     virtual void OnChangeFilename();
 194
 195     // Called by framework if created automatically by the default document
 196     // manager class: gives view a chance to initialise
 197     virtual bool OnCreate(wxDocument *WXUNUSED(doc), long WXUNUSED(flags)) { return true; };
 198
 199     // Checks if the view is the last one for the document; if so, asks user
 200     // to confirm save data (if modified). If ok, deletes itself and returns
 201     // true.
 202     virtual bool Close(bool deleteWindow = true);
 203
 204     // Override to do cleanup/veto close
 205     virtual bool OnClose(bool deleteWindow);
 206
 207     // Extend event processing to search the document's event table
 208     virtual bool ProcessEvent(wxEvent& event);
 209
 210     // A view's window can call this to notify the view it is (in)active.
 211     // The function then notifies the document manager.
 212     virtual void Activate(bool activate);
 213
 214     wxDocManager *GetDocumentManager() const
 215         { return m_viewDocument->GetDocumentManager(); }
 216
 217 #if wxUSE_PRINTING_ARCHITECTURE
 218     virtual wxPrintout *OnCreatePrintout();
 219 #endif
 220
 221 protected:
 222     wxDocument*       m_viewDocument;
 223     wxString          m_viewTypeName;
 224     wxWindow*         m_viewFrame;
 225
 226 private:
 227     DECLARE_ABSTRACT_CLASS(wxView)
 228     DECLARE_NO_COPY_CLASS(wxView)
 229 };
 230
 231 // Represents user interface (and other) properties of documents and views
 232 class WXDLLEXPORT wxDocTemplate: public wxObject
 233 {
 234
 235 friend class WXDLLEXPORT wxDocManager;
 236
 237 public:
 238     // Associate document and view types. They're for identifying what view is
 239     // associated with what template/document type
 240     wxDocTemplate(wxDocManager *manager,
 241                   const wxString& descr,
 242                   const wxString& filter,
 243                   const wxString& dir,
 244                   const wxString& ext,
 245                   const wxString& docTypeName,
 246                   const wxString& viewTypeName,
 247                   wxClassInfo *docClassInfo = (wxClassInfo *) NULL,
 248                   wxClassInfo *viewClassInfo = (wxClassInfo *)NULL,
 249                   long flags = wxDEFAULT_TEMPLATE_FLAGS);
 250
 251     ~wxDocTemplate();
 252
 253     // By default, these two member functions dynamically creates document and
 254     // view using dynamic instance construction. Override these if you need a
 255     // different method of construction.
 256     virtual wxDocument *CreateDocument(const wxString& path, long flags = 0);
 257     virtual wxView *CreateView(wxDocument *doc, long flags = 0);
 258
 259     // Helper method for CreateDocument; also allows you to do your own document
 260     // creation
 261     virtual bool InitDocument(wxDocument* doc, const wxString& path, long flags = 0);
 262
 263     wxString GetDefaultExtension() const { return m_defaultExt; };
 264     wxString GetDescription() const { return m_description; }
 265     wxString GetDirectory() const { return m_directory; };
 266     wxDocManager *GetDocumentManager() const { return m_documentManager; }
 267     void SetDocumentManager(wxDocManager *manager) { m_documentManager = manager; }
 268     wxString GetFileFilter() const { return m_fileFilter; };
 269     long GetFlags() const { return m_flags; };
 270     virtual wxString GetViewName() const { return m_viewTypeName; }
 271     virtual wxString GetDocumentName() const { return m_docTypeName; }
 272
 273     void SetFileFilter(const wxString& filter) { m_fileFilter = filter; };
 274     void SetDirectory(const wxString& dir) { m_directory = dir; };
 275     void SetDescription(const wxString& descr) { m_description = descr; };
 276     void SetDefaultExtension(const wxString& ext) { m_defaultExt = ext; };
 277     void SetFlags(long flags) { m_flags = flags; };
 278
 279     bool IsVisible() const { return ((m_flags & wxTEMPLATE_VISIBLE) == wxTEMPLATE_VISIBLE); }
 280
 281     wxClassInfo* GetDocClassInfo() const { return m_docClassInfo; }
 282     wxClassInfo* GetViewClassInfo() const { return m_viewClassInfo; }
 283
 284     virtual bool FileMatchesTemplate(const wxString& path);
 285
 286 protected:
 287     long              m_flags;
 288     wxString          m_fileFilter;
 289     wxString          m_directory;
 290     wxString          m_description;
 291     wxString          m_defaultExt;
 292     wxString          m_docTypeName;
 293     wxString          m_viewTypeName;
 294     wxDocManager*     m_documentManager;
 295
 296     // For dynamic creation of appropriate instances.
 297     wxClassInfo*      m_docClassInfo;
 298     wxClassInfo*      m_viewClassInfo;
 299
 300     // Called by CreateDocument and CreateView to create the actual document/view object.
 301     // By default uses the ClassInfo provided to the constructor. Override these functions
 302     // to provide a different method of creation.
 303     virtual wxDocument *DoCreateDocument();
 304     virtual wxView *DoCreateView();
 305
 306 private:
 307     DECLARE_CLASS(wxDocTemplate)
 308     DECLARE_NO_COPY_CLASS(wxDocTemplate)
 309 };
 310
 311 // One object of this class may be created in an application, to manage all
 312 // the templates and documents.
 313 class WXDLLEXPORT wxDocManager: public wxEvtHandler
 314 {
 315 public:
 316     wxDocManager(long flags = wxDEFAULT_DOCMAN_FLAGS, bool initialize = true);
 317     ~wxDocManager();
 318
 319     virtual bool Initialize();
 320
 321     // Handlers for common user commands
 322     void OnFileClose(wxCommandEvent& event);
 323     void OnFileCloseAll(wxCommandEvent& event);
 324     void OnFileNew(wxCommandEvent& event);
 325     void OnFileOpen(wxCommandEvent& event);
 326     void OnFileRevert(wxCommandEvent& event);
 327     void OnFileSave(wxCommandEvent& event);
 328     void OnFileSaveAs(wxCommandEvent& event);
 329     void OnPrint(wxCommandEvent& event);
 330     void OnPreview(wxCommandEvent& event);
 331     void OnUndo(wxCommandEvent& event);
 332     void OnRedo(wxCommandEvent& event);
 333
 334     // Handlers for UI update commands
 335     void OnUpdateFileOpen(wxUpdateUIEvent& event);
 336     void OnUpdateFileClose(wxUpdateUIEvent& event);
 337     void OnUpdateFileRevert(wxUpdateUIEvent& event);
 338     void OnUpdateFileNew(wxUpdateUIEvent& event);
 339     void OnUpdateFileSave(wxUpdateUIEvent& event);
 340     void OnUpdateFileSaveAs(wxUpdateUIEvent& event);
 341     void OnUpdateUndo(wxUpdateUIEvent& event);
 342     void OnUpdateRedo(wxUpdateUIEvent& event);
 343
 344     void OnUpdatePrint(wxUpdateUIEvent& event);
 345     void OnUpdatePreview(wxUpdateUIEvent& event);
 346
 347     // Extend event processing to search the view's event table
 348     virtual bool ProcessEvent(wxEvent& event);
 349
 350     // called when file format detection didn't work, can be overridden to do
 351     // something in this case
 352     virtual void OnOpenFileFailure() { }
 353
 354     virtual wxDocument *CreateDocument(const wxString& path, long flags = 0);
 355     virtual wxView *CreateView(wxDocument *doc, long flags = 0);
 356     virtual void DeleteTemplate(wxDocTemplate *temp, long flags = 0);
 357     virtual bool FlushDoc(wxDocument *doc);
 358     virtual wxDocTemplate *MatchTemplate(const wxString& path);
 359     virtual wxDocTemplate *SelectDocumentPath(wxDocTemplate **templates,
 360             int noTemplates, wxString& path, long flags, bool save = false);
 361     virtual wxDocTemplate *SelectDocumentType(wxDocTemplate **templates,
 362             int noTemplates, bool sort = false);
 363     virtual wxDocTemplate *SelectViewType(wxDocTemplate **templates,
 364             int noTemplates, bool sort = false);
 365     virtual wxDocTemplate *FindTemplateForPath(const wxString& path);
 366
 367     void AssociateTemplate(wxDocTemplate *temp);
 368     void DisassociateTemplate(wxDocTemplate *temp);
 369
 370     wxDocument *GetCurrentDocument() const;
 371
 372     void SetMaxDocsOpen(int n) { m_maxDocsOpen = n; }
 373     int GetMaxDocsOpen() const { return m_maxDocsOpen; }
 374
 375     // Add and remove a document from the manager's list
 376     void AddDocument(wxDocument *doc);
 377     void RemoveDocument(wxDocument *doc);
 378
 379     // closes all currently open documents
 380     bool CloseDocuments(bool force = true);
 381
 382     // closes the specified document
 383     bool CloseDocument(wxDocument* doc, bool force = false);
 384
 385     // Clear remaining documents and templates
 386     bool Clear(bool force = true);
 387
 388     // Views or windows should inform the document manager
 389     // when a view is going in or out of focus
 390     virtual void ActivateView(wxView *view, bool activate = true);
 391     virtual wxView *GetCurrentView() const;
 392
 393     wxList& GetDocuments() { return m_docs; }
 394     wxList& GetTemplates() { return m_templates; }
 395
 396     // Make a default document name
 397     virtual bool MakeDefaultName(wxString& buf);
 398
 399     // Make a frame title (override this to do something different)
 400     virtual wxString MakeFrameTitle(wxDocument* doc);
 401
 402     virtual wxFileHistory *OnCreateFileHistory();
 403     virtual wxFileHistory *GetFileHistory() const { return m_fileHistory; }
 404
 405     // File history management
 406     virtual void AddFileToHistory(const wxString& file);
 407     virtual void RemoveFileFromHistory(size_t i);
 408     virtual size_t GetHistoryFilesCount() const;
 409     virtual wxString GetHistoryFile(size_t i) const;
 410     virtual void FileHistoryUseMenu(wxMenu *menu);
 411     virtual void FileHistoryRemoveMenu(wxMenu *menu);
 412 #if wxUSE_CONFIG
 413     virtual void FileHistoryLoad(wxConfigBase& config);
 414     virtual void FileHistorySave(wxConfigBase& config);
 415 #endif // wxUSE_CONFIG
 416
 417     virtual void FileHistoryAddFilesToMenu();
 418     virtual void FileHistoryAddFilesToMenu(wxMenu* menu);
 419
 420     wxString GetLastDirectory() const { return m_lastDirectory; }
 421     void SetLastDirectory(const wxString& dir) { m_lastDirectory = dir; }
 422
 423     // Get the current document manager
 424     static wxDocManager* GetDocumentManager() { return sm_docManager; }
 425
 426     // deprecated, use GetHistoryFilesCount() instead
 427     wxDEPRECATED( size_t GetNoHistoryFiles() const );
 428
 429 protected:
 430     long              m_flags;
 431     int               m_defaultDocumentNameCounter;
 432     int               m_maxDocsOpen;
 433     wxList            m_docs;
 434     wxList            m_templates;
 435     wxView*           m_currentView;
 436     wxFileHistory*    m_fileHistory;
 437     wxString          m_lastDirectory;
 438     static wxDocManager* sm_docManager;
 439
 440     DECLARE_EVENT_TABLE()
 441     DECLARE_DYNAMIC_CLASS(wxDocManager)
 442     DECLARE_NO_COPY_CLASS(wxDocManager)
 443 };
 444
 445 inline size_t wxDocManager::GetNoHistoryFiles() const
 446 {
 447     return GetHistoryFilesCount();
 448 }
 449
 450 // ----------------------------------------------------------------------------
 451 // A default child frame
 452 // ----------------------------------------------------------------------------
 453
 454 class WXDLLEXPORT wxDocChildFrame : public wxFrame
 455 {
 456 public:
 457     wxDocChildFrame(wxDocument *doc,
 458                     wxView *view,
 459                     wxFrame *frame,
 460                     wxWindowID id,
 461                     const wxString& title,
 462                     const wxPoint& pos = wxDefaultPosition,
 463                     const wxSize& size = wxDefaultSize,
 464                     long type = wxDEFAULT_FRAME_STYLE,
 465                     const wxString& name = wxT("frame"));
 466     ~wxDocChildFrame(){}
 467
 468     // Extend event processing to search the view's event table
 469     virtual bool ProcessEvent(wxEvent& event);
 470
 471     void OnActivate(wxActivateEvent& event);
 472     void OnCloseWindow(wxCloseEvent& event);
 473
 474     wxDocument *GetDocument() const { return m_childDocument; }
 475     wxView *GetView() const { return m_childView; }
 476     void SetDocument(wxDocument *doc) { m_childDocument = doc; }
 477     void SetView(wxView *view) { m_childView = view; }
 478     bool Destroy() { m_childView = (wxView *)NULL; return wxFrame::Destroy(); }
 479
 480 protected:
 481     wxDocument*       m_childDocument;
 482     wxView*           m_childView;
 483
 484 private:
 485     DECLARE_CLASS(wxDocChildFrame)
 486     DECLARE_EVENT_TABLE()
 487     DECLARE_NO_COPY_CLASS(wxDocChildFrame)
 488 };
 489
 490 // ----------------------------------------------------------------------------
 491 // A default parent frame
 492 // ----------------------------------------------------------------------------
 493
 494 class WXDLLEXPORT wxDocParentFrame : public wxFrame
 495 {
 496 public:
 497     wxDocParentFrame(wxDocManager *manager,
 498                      wxFrame *frame,
 499                      wxWindowID id,
 500                      const wxString& title,
 501                      const wxPoint& pos = wxDefaultPosition,
 502                      const wxSize& size = wxDefaultSize,
 503                      long type = wxDEFAULT_FRAME_STYLE,
 504                      const wxString& name = wxT("frame"));
 505
 506     // Extend event processing to search the document manager's event table
 507     virtual bool ProcessEvent(wxEvent& event);
 508
 509     wxDocManager *GetDocumentManager() const { return m_docManager; }
 510
 511     void OnExit(wxCommandEvent& event);
 512     void OnMRUFile(wxCommandEvent& event);
 513     void OnCloseWindow(wxCloseEvent& event);
 514
 515 protected:
 516     wxDocManager *m_docManager;
 517
 518 private:
 519     DECLARE_CLASS(wxDocParentFrame)
 520     DECLARE_EVENT_TABLE()
 521     DECLARE_NO_COPY_CLASS(wxDocParentFrame)
 522 };
 523
 524 // ----------------------------------------------------------------------------
 525 // Provide simple default printing facilities
 526 // ----------------------------------------------------------------------------
 527
 528 #if wxUSE_PRINTING_ARCHITECTURE
 529 class WXDLLEXPORT wxDocPrintout : public wxPrintout
 530 {
 531 public:
 532     wxDocPrintout(wxView *view = (wxView *) NULL, const wxString& title = wxT("Printout"));
 533     bool OnPrintPage(int page);
 534     bool HasPage(int page);
 535     bool OnBeginDocument(int startPage, int endPage);
 536     void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo);
 537
 538     virtual wxView *GetView() { return m_printoutView; }
 539
 540 protected:
 541     wxView*       m_printoutView;
 542
 543 private:
 544     DECLARE_DYNAMIC_CLASS(wxDocPrintout)
 545     DECLARE_NO_COPY_CLASS(wxDocPrintout)
 546 };
 547 #endif // wxUSE_PRINTING_ARCHITECTURE
 548
 549 // ----------------------------------------------------------------------------
 550 // File history management
 551 // ----------------------------------------------------------------------------
 552
 553 class WXDLLEXPORT wxFileHistory : public wxObject
 554 {
 555 public:
 556     wxFileHistory(size_t maxFiles = 9, wxWindowID idBase = wxID_FILE1);
 557     ~wxFileHistory();
 558
 559     // Operations
 560     virtual void AddFileToHistory(const wxString& file);
 561     virtual void RemoveFileFromHistory(size_t i);
 562     virtual int GetMaxFiles() const { return (int)m_fileMaxFiles; }
 563     virtual void UseMenu(wxMenu *menu);
 564
 565     // Remove menu from the list (MDI child may be closing)
 566     virtual void RemoveMenu(wxMenu *menu);
 567
 568 #if wxUSE_CONFIG
 569     virtual void Load(wxConfigBase& config);
 570     virtual void Save(wxConfigBase& config);
 571 #endif // wxUSE_CONFIG
 572
 573     virtual void AddFilesToMenu();
 574     virtual void AddFilesToMenu(wxMenu* menu); // Single menu
 575
 576     // Accessors
 577     virtual wxString GetHistoryFile(size_t i) const;
 578     virtual size_t GetCount() const { return m_fileHistoryN; }
 579
 580     const wxList& GetMenus() const { return m_fileMenus; }
 581
 582     // deprecated, use GetCount() instead
 583     wxDEPRECATED( size_t GetNoHistoryFiles() const );
 584
 585 protected:
 586     // Last n files
 587     wxChar**          m_fileHistory;
 588     // Number of files saved
 589     size_t            m_fileHistoryN;
 590     // Menus to maintain (may need several for an MDI app)
 591     wxList            m_fileMenus;
 592     // Max files to maintain
 593     size_t            m_fileMaxFiles;
 594
 595 private:
 596     // The ID of the first history menu item (Doesn't have to be wxID_FILE1)
 597     wxWindowID m_idBase;
 598
 599     DECLARE_DYNAMIC_CLASS(wxFileHistory)
 600     DECLARE_NO_COPY_CLASS(wxFileHistory)
 601 };
 602
 603 inline size_t wxFileHistory::GetNoHistoryFiles() const
 604 {
 605     return m_fileHistoryN;
 606 }
 607
 608 #if wxUSE_STD_IOSTREAM
 609 // For compatibility with existing file formats:
 610 // converts from/to a stream to/from a temporary file.
 611 bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream);
 612 bool WXDLLEXPORT wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename);
 613 #else
 614 // For compatibility with existing file formats:
 615 // converts from/to a stream to/from a temporary file.
 616 bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
 617 bool WXDLLEXPORT wxTransferStreamToFile(wxInputStream& stream, const wxString& filename);
 618 #endif // wxUSE_STD_IOSTREAM
 619
 620 #endif // wxUSE_DOC_VIEW_ARCHITECTURE
 621
 622 #endif // _WX_DOCH__