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