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)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DOCH__
  13 #define _WX_DOCH__
  14
  15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16     #pragma interface "docview.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_DOC_VIEW_ARCHITECTURE
  22
  23 #include "wx/list.h"
  24 #include "wx/cmndata.h"
  25 #include "wx/string.h"
  26 #include "wx/frame.h"
  27
  28 #if wxUSE_PRINTING_ARCHITECTURE
  29     #include "wx/print.h"
  30 #endif
  31
  32 class WXDLLEXPORT wxWindow;
  33 class WXDLLEXPORT wxDocument;
  34 class WXDLLEXPORT wxView;
  35 class WXDLLEXPORT wxDocTemplate;
  36 class WXDLLEXPORT wxDocManager;
  37 class WXDLLEXPORT wxPrintInfo;
  38 class WXDLLEXPORT wxCommandProcessor;
  39 class WXDLLEXPORT wxFileHistory;
  40 class WXDLLEXPORT wxConfigBase;
  41
  42 #if wxUSE_STD_IOSTREAM
  43   #include "wx/iosfwrap.h"
  44 #else
  45   #include "wx/stream.h"
  46 #endif
  47
  48 // Document manager flags
  49 enum
  50 {
  51     wxDOC_SDI = 1,
  52     wxDOC_MDI,
  53     wxDOC_NEW,
  54     wxDOC_SILENT,
  55     wxDEFAULT_DOCMAN_FLAGS = wxDOC_SDI
  56 };
  57
  58 // Document template flags
  59 enum
  60 {
  61     wxTEMPLATE_VISIBLE = 1,
  62     wxTEMPLATE_INVISIBLE,
  63     wxDEFAULT_TEMPLATE_FLAGS = wxTEMPLATE_VISIBLE
  64 };
  65
  66 #define wxMAX_FILE_HISTORY 9
  67
  68 class WXDLLEXPORT wxDocument : public wxEvtHandler
  69 {
  70 public:
  71     wxDocument(wxDocument *parent = (wxDocument *) NULL);
  72     ~wxDocument();
  73
  74     // accessors
  75     void SetFilename(const wxString& filename, bool notifyViews = FALSE);
  76     wxString GetFilename() const { return m_documentFile; }
  77
  78     void SetTitle(const wxString& title) { m_documentTitle = title; };
  79     wxString GetTitle() const { return m_documentTitle; }
  80
  81     void SetDocumentName(const wxString& name) { m_documentTypeName = name; };
  82     wxString GetDocumentName() const { return m_documentTypeName; }
  83
  84     bool GetDocumentSaved() const { return m_savedYet; }
  85     void SetDocumentSaved(bool saved = TRUE) { m_savedYet = saved; }
  86
  87     virtual bool Close();
  88     virtual bool Save();
  89     virtual bool SaveAs();
  90     virtual bool Revert();
  91
  92 #if wxUSE_STD_IOSTREAM
  93     virtual wxSTD ostream& SaveObject(wxSTD ostream& stream);
  94     virtual wxSTD istream& LoadObject(wxSTD istream& stream);
  95 #else
  96     virtual wxOutputStream& SaveObject(wxOutputStream& stream);
  97     virtual wxInputStream& LoadObject(wxInputStream& stream);
  98 #endif
  99
 100     // Called by wxWidgets
 101     virtual bool OnSaveDocument(const wxString& filename);
 102     virtual bool OnOpenDocument(const wxString& filename);
 103     virtual bool OnNewDocument();
 104     virtual bool OnCloseDocument();
 105
 106     // Prompts for saving if about to close a modified document. Returns TRUE
 107     // if ok to close the document (may have saved in the meantime, or set
 108     // modified to FALSE)
 109     virtual bool OnSaveModified();
 110
 111     // Called by framework if created automatically by the default document
 112     // manager: gives document a chance to initialise and (usually) create a
 113     // view
 114     virtual bool OnCreate(const wxString& path, long flags);
 115
 116     // By default, creates a base wxCommandProcessor.
 117     virtual wxCommandProcessor *OnCreateCommandProcessor();
 118     virtual wxCommandProcessor *GetCommandProcessor() const { return m_commandProcessor; }
 119     virtual void SetCommandProcessor(wxCommandProcessor *proc) { m_commandProcessor = proc; }
 120
 121     // Called after a view is added or removed. The default implementation
 122     // deletes the document if this is there are no more views.
 123     virtual void OnChangedViewList();
 124
 125     virtual bool DeleteContents();
 126
 127     virtual bool Draw(wxDC&);
 128     virtual bool IsModified() const { return m_documentModified; }
 129     virtual void Modify(bool mod) { m_documentModified = mod; }
 130
 131     virtual bool AddView(wxView *view);
 132     virtual bool RemoveView(wxView *view);
 133     wxList& GetViews() const { return (wxList&) m_documentViews; }
 134     wxView *GetFirstView() const;
 135
 136     virtual void UpdateAllViews(wxView *sender = (wxView *) NULL, wxObject *hint = (wxObject *) NULL);
 137     virtual void NotifyClosing();
 138
 139     // Remove all views (because we're closing the document)
 140     virtual bool DeleteAllViews();
 141
 142     // Other stuff
 143     virtual wxDocManager *GetDocumentManager() const;
 144     virtual wxDocTemplate *GetDocumentTemplate() const { return m_documentTemplate; }
 145     virtual void SetDocumentTemplate(wxDocTemplate *temp) { m_documentTemplate = temp; }
 146
 147     // Get title, or filename if no title, else [unnamed]
 148     virtual bool GetPrintableName(wxString& buf) const;
 149
 150     // Returns a window that can be used as a parent for document-related
 151     // dialogs. Override if necessary.
 152     virtual wxWindow *GetDocumentWindow() const;
 153
 154 protected:
 155     wxList                m_documentViews;
 156     wxString              m_documentFile;
 157     wxString              m_documentTitle;
 158     wxString              m_documentTypeName;
 159     wxDocTemplate*        m_documentTemplate;
 160     bool                  m_documentModified;
 161     wxDocument*           m_documentParent;
 162     wxCommandProcessor*   m_commandProcessor;
 163     bool                  m_savedYet;
 164
 165     // Called by OnSaveDocument and OnOpenDocument to implement standard
 166     // Save/Load behavior. Re-implement in derived class for custom
 167     // behavior.
 168     virtual bool DoSaveDocument(const wxString& file);
 169     virtual bool DoOpenDocument(const wxString& file);
 170
 171 private:
 172     DECLARE_ABSTRACT_CLASS(wxDocument)
 173     DECLARE_NO_COPY_CLASS(wxDocument)
 174 };
 175
 176 class WXDLLEXPORT wxView: public wxEvtHandler
 177 {
 178 public:
 179     //  wxView(wxDocument *doc = (wxDocument *) NULL);
 180     wxView();
 181     ~wxView();
 182
 183     wxDocument *GetDocument() const { return m_viewDocument; }
 184     virtual void SetDocument(wxDocument *doc);
 185
 186     wxString GetViewName() const { return m_viewTypeName; }
 187     void SetViewName(const wxString& name) { m_viewTypeName = name; };
 188
 189     wxWindow *GetFrame() const { return m_viewFrame ; }
 190     void SetFrame(wxWindow *frame) { m_viewFrame = frame; }
 191
 192     virtual void OnActivateView(bool activate, wxView *activeView, wxView *deactiveView);
 193     virtual void OnDraw(wxDC *dc) = 0;
 194     virtual void OnPrint(wxDC *dc, wxObject *info);
 195     virtual void OnUpdate(wxView *sender, wxObject *hint = (wxObject *) NULL);
 196     virtual void OnClosingDocument() {};
 197     virtual void OnChangeFilename();
 198
 199     // Called by framework if created automatically by the default document
 200     // manager class: gives view a chance to initialise
 201     virtual bool OnCreate(wxDocument *WXUNUSED(doc), long WXUNUSED(flags)) { return TRUE; };
 202
 203     // Checks if the view is the last one for the document; if so, asks user
 204     // to confirm save data (if modified). If ok, deletes itself and returns
 205     // TRUE.
 206     virtual bool Close(bool deleteWindow = TRUE);
 207
 208     // Override to do cleanup/veto close
 209     virtual bool OnClose(bool deleteWindow);
 210
 211     // Extend event processing to search the document's event table
 212     virtual bool ProcessEvent(wxEvent& event);
 213
 214     // A view's window can call this to notify the view it is (in)active.
 215     // The function then notifies the document manager.
 216     virtual void Activate(bool activate);
 217
 218     wxDocManager *GetDocumentManager() const
 219         { return m_viewDocument->GetDocumentManager(); }
 220
 221 #if wxUSE_PRINTING_ARCHITECTURE
 222     virtual wxPrintout *OnCreatePrintout();
 223 #endif
 224
 225 protected:
 226     wxDocument*       m_viewDocument;
 227     wxString          m_viewTypeName;
 228     wxWindow*         m_viewFrame;
 229
 230 private:
 231     DECLARE_ABSTRACT_CLASS(wxView)
 232     DECLARE_NO_COPY_CLASS(wxView)
 233 };
 234
 235 // Represents user interface (and other) properties of documents and views
 236 class WXDLLEXPORT wxDocTemplate: public wxObject
 237 {
 238
 239 friend class WXDLLEXPORT wxDocManager;
 240
 241 public:
 242     // Associate document and view types. They're for identifying what view is
 243     // associated with what template/document type
 244     wxDocTemplate(wxDocManager *manager,
 245                   const wxString& descr,
 246                   const wxString& filter,
 247                   const wxString& dir,
 248                   const wxString& ext,
 249                   const wxString& docTypeName,
 250                   const wxString& viewTypeName,
 251                   wxClassInfo *docClassInfo = (wxClassInfo *) NULL,
 252                   wxClassInfo *viewClassInfo = (wxClassInfo *)NULL,
 253                   long flags = wxDEFAULT_TEMPLATE_FLAGS);
 254
 255     ~wxDocTemplate();
 256
 257     // By default, these two member functions dynamically creates document and
 258     // view using dynamic instance construction. Override these if you need a
 259     // different method of construction.
 260     virtual wxDocument *CreateDocument(const wxString& path, long flags = 0);
 261     virtual wxView *CreateView(wxDocument *doc, long flags = 0);
 262
 263     // Helper method for CreateDocument; also allows you to do your own document
 264     // creation
 265     virtual bool InitDocument(wxDocument* doc, const wxString& path, long flags = 0);
 266
 267     wxString GetDefaultExtension() const { return m_defaultExt; };
 268     wxString GetDescription() const { return m_description; }
 269     wxString GetDirectory() const { return m_directory; };
 270     wxDocManager *GetDocumentManager() const { return m_documentManager; }
 271     void SetDocumentManager(wxDocManager *manager) { m_documentManager = manager; }
 272     wxString GetFileFilter() const { return m_fileFilter; };
 273     long GetFlags() const { return m_flags; };
 274     virtual wxString GetViewName() const { return m_viewTypeName; }
 275     virtual wxString GetDocumentName() const { return m_docTypeName; }
 276
 277     void SetFileFilter(const wxString& filter) { m_fileFilter = filter; };
 278     void SetDirectory(const wxString& dir) { m_directory = dir; };
 279     void SetDescription(const wxString& descr) { m_description = descr; };
 280     void SetDefaultExtension(const wxString& ext) { m_defaultExt = ext; };
 281     void SetFlags(long flags) { m_flags = flags; };
 282
 283     bool IsVisible() const { return ((m_flags & wxTEMPLATE_VISIBLE) == wxTEMPLATE_VISIBLE); }
 284
 285     wxClassInfo* GetDocClassInfo() const { return m_docClassInfo; }
 286     wxClassInfo* GetViewClassInfo() const { return m_viewClassInfo; }
 287
 288     virtual bool FileMatchesTemplate(const wxString& path);
 289
 290 protected:
 291     long              m_flags;
 292     wxString          m_fileFilter;
 293     wxString          m_directory;
 294     wxString          m_description;
 295     wxString          m_defaultExt;
 296     wxString          m_docTypeName;
 297     wxString          m_viewTypeName;
 298     wxDocManager*     m_documentManager;
 299
 300     // For dynamic creation of appropriate instances.
 301     wxClassInfo*      m_docClassInfo;
 302     wxClassInfo*      m_viewClassInfo;
 303
 304     // Called by CreateDocument and CreateView to create the actual document/view object.
 305     // By default uses the ClassInfo provided to the constructor. Override these functions
 306     // to provide a different method of creation.
 307     virtual wxDocument *DoCreateDocument();
 308     virtual wxView *DoCreateView();
 309
 310 private:
 311     DECLARE_CLASS(wxDocTemplate)
 312     DECLARE_NO_COPY_CLASS(wxDocTemplate)
 313 };
 314
 315 // One object of this class may be created in an application, to manage all
 316 // the templates and documents.
 317 class WXDLLEXPORT wxDocManager: public wxEvtHandler
 318 {
 319 public:
 320     wxDocManager(long flags = wxDEFAULT_DOCMAN_FLAGS, bool initialize = TRUE);
 321     ~wxDocManager();
 322
 323     virtual bool Initialize();
 324
 325     // Handlers for common user commands
 326     void OnFileClose(wxCommandEvent& event);
 327     void OnFileCloseAll(wxCommandEvent& event);
 328     void OnFileNew(wxCommandEvent& event);
 329     void OnFileOpen(wxCommandEvent& event);
 330     void OnFileRevert(wxCommandEvent& event);
 331     void OnFileSave(wxCommandEvent& event);
 332     void OnFileSaveAs(wxCommandEvent& event);
 333     void OnPrint(wxCommandEvent& event);
 334     void OnPrintSetup(wxCommandEvent& event);
 335     void OnPreview(wxCommandEvent& event);
 336     void OnUndo(wxCommandEvent& event);
 337     void OnRedo(wxCommandEvent& event);
 338
 339     // Handlers for UI update commands
 340     void OnUpdateFileOpen(wxUpdateUIEvent& event);
 341     void OnUpdateFileClose(wxUpdateUIEvent& event);
 342     void OnUpdateFileRevert(wxUpdateUIEvent& event);
 343     void OnUpdateFileNew(wxUpdateUIEvent& event);
 344     void OnUpdateFileSave(wxUpdateUIEvent& event);
 345     void OnUpdateFileSaveAs(wxUpdateUIEvent& event);
 346     void OnUpdateUndo(wxUpdateUIEvent& event);
 347     void OnUpdateRedo(wxUpdateUIEvent& event);
 348
 349     void OnUpdatePrint(wxUpdateUIEvent& event);
 350     void OnUpdatePrintSetup(wxUpdateUIEvent& event);
 351     void OnUpdatePreview(wxUpdateUIEvent& event);
 352
 353     // Extend event processing to search the view's event table
 354     virtual bool ProcessEvent(wxEvent& event);
 355
 356     // called when file format detection didn't work, can be overridden to do
 357     // something in this case
 358     virtual void OnOpenFileFailure() { }
 359
 360     virtual wxDocument *CreateDocument(const wxString& path, long flags = 0);
 361     virtual wxView *CreateView(wxDocument *doc, long flags = 0);
 362     virtual void DeleteTemplate(wxDocTemplate *temp, long flags = 0);
 363     virtual bool FlushDoc(wxDocument *doc);
 364     virtual wxDocTemplate *MatchTemplate(const wxString& path);
 365     virtual wxDocTemplate *SelectDocumentPath(wxDocTemplate **templates,
 366             int noTemplates, wxString& path, long flags, bool save = FALSE);
 367     virtual wxDocTemplate *SelectDocumentType(wxDocTemplate **templates,
 368             int noTemplates, bool sort = FALSE);
 369     virtual wxDocTemplate *SelectViewType(wxDocTemplate **templates,
 370             int noTemplates, bool sort = FALSE);
 371     virtual wxDocTemplate *FindTemplateForPath(const wxString& path);
 372
 373     void AssociateTemplate(wxDocTemplate *temp);
 374     void DisassociateTemplate(wxDocTemplate *temp);
 375
 376     wxDocument *GetCurrentDocument() const;
 377
 378     void SetMaxDocsOpen(int n) { m_maxDocsOpen = n; }
 379     int GetMaxDocsOpen() const { return m_maxDocsOpen; }
 380
 381     // Add and remove a document from the manager's list
 382     void AddDocument(wxDocument *doc);
 383     void RemoveDocument(wxDocument *doc);
 384
 385     // closes all currently open documents
 386     bool CloseDocuments(bool force = TRUE);
 387
 388     // closes the specified document
 389     bool CloseDocument(wxDocument* doc, bool force = FALSE);
 390
 391     // Clear remaining documents and templates
 392     bool Clear(bool force = TRUE);
 393
 394     // Views or windows should inform the document manager
 395     // when a view is going in or out of focus
 396     virtual void ActivateView(wxView *view, bool activate = TRUE);
 397     virtual wxView *GetCurrentView() const;
 398
 399     wxList& GetDocuments() { return m_docs; }
 400     wxList& GetTemplates() { return m_templates; }
 401
 402     // Make a default document name
 403     virtual bool MakeDefaultName(wxString& buf);
 404
 405     // Make a frame title (override this to do something different)
 406     virtual wxString MakeFrameTitle(wxDocument* doc);
 407
 408     virtual wxFileHistory *OnCreateFileHistory();
 409     virtual wxFileHistory *GetFileHistory() const { return m_fileHistory; }
 410
 411     // File history management
 412     virtual void AddFileToHistory(const wxString& file);
 413     virtual void RemoveFileFromHistory(size_t i);
 414     virtual size_t GetHistoryFilesCount() const;
 415     virtual wxString GetHistoryFile(size_t i) const;
 416     virtual void FileHistoryUseMenu(wxMenu *menu);
 417     virtual void FileHistoryRemoveMenu(wxMenu *menu);
 418 #if wxUSE_CONFIG
 419     virtual void FileHistoryLoad(wxConfigBase& config);
 420     virtual void FileHistorySave(wxConfigBase& config);
 421 #endif // wxUSE_CONFIG
 422
 423     virtual void FileHistoryAddFilesToMenu();
 424     virtual void FileHistoryAddFilesToMenu(wxMenu* menu);
 425
 426     wxString GetLastDirectory() const { return m_lastDirectory; }
 427     void SetLastDirectory(const wxString& dir) { m_lastDirectory = dir; }
 428
 429     // Get the current document manager
 430     static wxDocManager* GetDocumentManager() { return sm_docManager; }
 431
 432     // deprecated, use GetHistoryFilesCount() instead
 433     wxDEPRECATED( size_t GetNoHistoryFiles() const );
 434
 435 protected:
 436     long              m_flags;
 437     int               m_defaultDocumentNameCounter;
 438     int               m_maxDocsOpen;
 439     wxList            m_docs;
 440     wxList            m_templates;
 441     wxView*           m_currentView;
 442     wxFileHistory*    m_fileHistory;
 443     wxString          m_lastDirectory;
 444     static wxDocManager* sm_docManager;
 445
 446     DECLARE_EVENT_TABLE()
 447     DECLARE_DYNAMIC_CLASS(wxDocManager)
 448     DECLARE_NO_COPY_CLASS(wxDocManager)
 449 };
 450
 451 inline size_t wxDocManager::GetNoHistoryFiles() const
 452 {
 453     return GetHistoryFilesCount();
 454 }
 455
 456 // ----------------------------------------------------------------------------
 457 // A default child frame
 458 // ----------------------------------------------------------------------------
 459
 460 class WXDLLEXPORT wxDocChildFrame : public wxFrame
 461 {
 462 public:
 463     wxDocChildFrame(wxDocument *doc,
 464                     wxView *view,
 465                     wxFrame *frame,
 466                     wxWindowID id,
 467                     const wxString& title,
 468                     const wxPoint& pos = wxDefaultPosition,
 469                     const wxSize& size = wxDefaultSize,
 470                     long type = wxDEFAULT_FRAME_STYLE,
 471                     const wxString& name = wxT("frame"));
 472     ~wxDocChildFrame();
 473
 474     // Extend event processing to search the view's event table
 475     virtual bool ProcessEvent(wxEvent& event);
 476
 477     void OnActivate(wxActivateEvent& event);
 478     void OnCloseWindow(wxCloseEvent& event);
 479
 480     wxDocument *GetDocument() const { return m_childDocument; }
 481     wxView *GetView() const { return m_childView; }
 482     void SetDocument(wxDocument *doc) { m_childDocument = doc; }
 483     void SetView(wxView *view) { m_childView = view; }
 484     bool Destroy() { m_childView = (wxView *)NULL; return wxFrame::Destroy(); }
 485
 486 protected:
 487     wxDocument*       m_childDocument;
 488     wxView*           m_childView;
 489
 490 private:
 491     DECLARE_CLASS(wxDocChildFrame)
 492     DECLARE_EVENT_TABLE()
 493     DECLARE_NO_COPY_CLASS(wxDocChildFrame)
 494 };
 495
 496 // ----------------------------------------------------------------------------
 497 // A default parent frame
 498 // ----------------------------------------------------------------------------
 499
 500 class WXDLLEXPORT wxDocParentFrame : public wxFrame
 501 {
 502 public:
 503     wxDocParentFrame(wxDocManager *manager,
 504                      wxFrame *frame,
 505                      wxWindowID id,
 506                      const wxString& title,
 507                      const wxPoint& pos = wxDefaultPosition,
 508                      const wxSize& size = wxDefaultSize,
 509                      long type = wxDEFAULT_FRAME_STYLE,
 510                      const wxString& name = wxT("frame"));
 511
 512     // Extend event processing to search the document manager's event table
 513     virtual bool ProcessEvent(wxEvent& event);
 514
 515     wxDocManager *GetDocumentManager() const { return m_docManager; }
 516
 517     void OnExit(wxCommandEvent& event);
 518     void OnMRUFile(wxCommandEvent& event);
 519     void OnCloseWindow(wxCloseEvent& event);
 520
 521 protected:
 522     wxDocManager *m_docManager;
 523
 524 private:
 525     DECLARE_CLASS(wxDocParentFrame)
 526     DECLARE_EVENT_TABLE()
 527     DECLARE_NO_COPY_CLASS(wxDocParentFrame)
 528 };
 529
 530 // ----------------------------------------------------------------------------
 531 // Provide simple default printing facilities
 532 // ----------------------------------------------------------------------------
 533
 534 #if wxUSE_PRINTING_ARCHITECTURE
 535 class WXDLLEXPORT wxDocPrintout : public wxPrintout
 536 {
 537 public:
 538     wxDocPrintout(wxView *view = (wxView *) NULL, const wxString& title = wxT("Printout"));
 539     bool OnPrintPage(int page);
 540     bool HasPage(int page);
 541     bool OnBeginDocument(int startPage, int endPage);
 542     void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo);
 543
 544     virtual wxView *GetView() { return m_printoutView; }
 545
 546 protected:
 547     wxView*       m_printoutView;
 548
 549 private:
 550     DECLARE_DYNAMIC_CLASS(wxDocPrintout)
 551     DECLARE_NO_COPY_CLASS(wxDocPrintout)
 552 };
 553 #endif // wxUSE_PRINTING_ARCHITECTURE
 554
 555 // ----------------------------------------------------------------------------
 556 // File history management
 557 // ----------------------------------------------------------------------------
 558
 559 class WXDLLEXPORT wxFileHistory : public wxObject
 560 {
 561 public:
 562     wxFileHistory(size_t maxFiles = 9, wxWindowID idBase = wxID_FILE1);
 563     ~wxFileHistory();
 564
 565     // Operations
 566     virtual void AddFileToHistory(const wxString& file);
 567     virtual void RemoveFileFromHistory(size_t i);
 568     virtual int GetMaxFiles() const { return m_fileMaxFiles; }
 569     virtual void UseMenu(wxMenu *menu);
 570
 571     // Remove menu from the list (MDI child may be closing)
 572     virtual void RemoveMenu(wxMenu *menu);
 573
 574 #if wxUSE_CONFIG
 575     virtual void Load(wxConfigBase& config);
 576     virtual void Save(wxConfigBase& config);
 577 #endif // wxUSE_CONFIG
 578
 579     virtual void AddFilesToMenu();
 580     virtual void AddFilesToMenu(wxMenu* menu); // Single menu
 581
 582     // Accessors
 583     virtual wxString GetHistoryFile(size_t i) const;
 584     virtual size_t GetCount() const { return m_fileHistoryN; }
 585
 586     const wxList& GetMenus() const { return m_fileMenus; }
 587
 588     // deprecated, use GetCount() instead
 589     wxDEPRECATED( size_t GetNoHistoryFiles() const );
 590
 591 protected:
 592     // Last n files
 593     wxChar**          m_fileHistory;
 594     // Number of files saved
 595     size_t            m_fileHistoryN;
 596     // Menus to maintain (may need several for an MDI app)
 597     wxList            m_fileMenus;
 598     // Max files to maintain
 599     size_t            m_fileMaxFiles;
 600
 601 private:
 602     // The ID of the first history menu item (Doesn't have to be wxID_FILE1)
 603     wxWindowID m_idBase;
 604
 605     DECLARE_DYNAMIC_CLASS(wxFileHistory)
 606     DECLARE_NO_COPY_CLASS(wxFileHistory)
 607 };
 608
 609 inline size_t wxFileHistory::GetNoHistoryFiles() const
 610 {
 611     return m_fileHistoryN;
 612 }
 613
 614 #if wxUSE_STD_IOSTREAM
 615 // For compatibility with existing file formats:
 616 // converts from/to a stream to/from a temporary file.
 617 bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream);
 618 bool WXDLLEXPORT wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename);
 619 #else
 620 // For compatibility with existing file formats:
 621 // converts from/to a stream to/from a temporary file.
 622 bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
 623 bool WXDLLEXPORT wxTransferStreamToFile(wxInputStream& stream, const wxString& filename);
 624 #endif // wxUSE_STD_IOSTREAM
 625
 626 #endif // wxUSE_DOC_VIEW_ARCHITECTURE
 627
 628 #endif // _WX_DOCH__