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