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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/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 #if WXWIN_COMPATIBILITY_2_6
428 // deprecated, use GetHistoryFilesCount() instead
429 wxDEPRECATED( size_t GetNoHistoryFiles() const );
430 #endif // WXWIN_COMPATIBILITY_2_6
431
432 protected:
433 long m_flags;
434 int m_defaultDocumentNameCounter;
435 int m_maxDocsOpen;
436 wxList m_docs;
437 wxList m_templates;
438 wxView* m_currentView;
439 wxFileHistory* m_fileHistory;
440 wxString m_lastDirectory;
441 static wxDocManager* sm_docManager;
442
443 DECLARE_EVENT_TABLE()
444 DECLARE_DYNAMIC_CLASS(wxDocManager)
445 DECLARE_NO_COPY_CLASS(wxDocManager)
446 };
447
448 #if WXWIN_COMPATIBILITY_2_6
449 inline size_t wxDocManager::GetNoHistoryFiles() const
450 {
451 return GetHistoryFilesCount();
452 }
453 #endif // WXWIN_COMPATIBILITY_2_6
454
455 // ----------------------------------------------------------------------------
456 // A default child frame
457 // ----------------------------------------------------------------------------
458
459 class WXDLLEXPORT wxDocChildFrame : public wxFrame
460 {
461 public:
462 wxDocChildFrame(wxDocument *doc,
463 wxView *view,
464 wxFrame *frame,
465 wxWindowID id,
466 const wxString& title,
467 const wxPoint& pos = wxDefaultPosition,
468 const wxSize& size = wxDefaultSize,
469 long type = wxDEFAULT_FRAME_STYLE,
470 const wxString& name = wxT("frame"));
471 ~wxDocChildFrame(){}
472
473 // Extend event processing to search the view's event table
474 virtual bool ProcessEvent(wxEvent& event);
475
476 void OnActivate(wxActivateEvent& event);
477 void OnCloseWindow(wxCloseEvent& event);
478
479 wxDocument *GetDocument() const { return m_childDocument; }
480 wxView *GetView() const { return m_childView; }
481 void SetDocument(wxDocument *doc) { m_childDocument = doc; }
482 void SetView(wxView *view) { m_childView = view; }
483 bool Destroy() { m_childView = (wxView *)NULL; return wxFrame::Destroy(); }
484
485 protected:
486 wxDocument* m_childDocument;
487 wxView* m_childView;
488
489 private:
490 DECLARE_CLASS(wxDocChildFrame)
491 DECLARE_EVENT_TABLE()
492 DECLARE_NO_COPY_CLASS(wxDocChildFrame)
493 };
494
495 // ----------------------------------------------------------------------------
496 // A default parent frame
497 // ----------------------------------------------------------------------------
498
499 class WXDLLEXPORT wxDocParentFrame : public wxFrame
500 {
501 public:
502 wxDocParentFrame(wxDocManager *manager,
503 wxFrame *frame,
504 wxWindowID id,
505 const wxString& title,
506 const wxPoint& pos = wxDefaultPosition,
507 const wxSize& size = wxDefaultSize,
508 long type = wxDEFAULT_FRAME_STYLE,
509 const wxString& name = wxT("frame"));
510
511 // Extend event processing to search the document manager's event table
512 virtual bool ProcessEvent(wxEvent& event);
513
514 wxDocManager *GetDocumentManager() const { return m_docManager; }
515
516 void OnExit(wxCommandEvent& event);
517 void OnMRUFile(wxCommandEvent& event);
518 void OnCloseWindow(wxCloseEvent& event);
519
520 protected:
521 wxDocManager *m_docManager;
522
523 private:
524 DECLARE_CLASS(wxDocParentFrame)
525 DECLARE_EVENT_TABLE()
526 DECLARE_NO_COPY_CLASS(wxDocParentFrame)
527 };
528
529 // ----------------------------------------------------------------------------
530 // Provide simple default printing facilities
531 // ----------------------------------------------------------------------------
532
533 #if wxUSE_PRINTING_ARCHITECTURE
534 class WXDLLEXPORT wxDocPrintout : public wxPrintout
535 {
536 public:
537 wxDocPrintout(wxView *view = (wxView *) NULL, const wxString& title = wxT("Printout"));
538 bool OnPrintPage(int page);
539 bool HasPage(int page);
540 bool OnBeginDocument(int startPage, int endPage);
541 void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo);
542
543 virtual wxView *GetView() { return m_printoutView; }
544
545 protected:
546 wxView* m_printoutView;
547
548 private:
549 DECLARE_DYNAMIC_CLASS(wxDocPrintout)
550 DECLARE_NO_COPY_CLASS(wxDocPrintout)
551 };
552 #endif // wxUSE_PRINTING_ARCHITECTURE
553
554 // ----------------------------------------------------------------------------
555 // File history management
556 // ----------------------------------------------------------------------------
557
558 class WXDLLEXPORT wxFileHistory : public wxObject
559 {
560 public:
561 wxFileHistory(size_t maxFiles = 9, wxWindowID idBase = wxID_FILE1);
562 ~wxFileHistory();
563
564 // Operations
565 virtual void AddFileToHistory(const wxString& file);
566 virtual void RemoveFileFromHistory(size_t i);
567 virtual int GetMaxFiles() const { return (int)m_fileMaxFiles; }
568 virtual void UseMenu(wxMenu *menu);
569
570 // Remove menu from the list (MDI child may be closing)
571 virtual void RemoveMenu(wxMenu *menu);
572
573 #if wxUSE_CONFIG
574 virtual void Load(wxConfigBase& config);
575 virtual void Save(wxConfigBase& config);
576 #endif // wxUSE_CONFIG
577
578 virtual void AddFilesToMenu();
579 virtual void AddFilesToMenu(wxMenu* menu); // Single menu
580
581 // Accessors
582 virtual wxString GetHistoryFile(size_t i) const;
583 virtual size_t GetCount() const { return m_fileHistoryN; }
584
585 const wxList& GetMenus() const { return m_fileMenus; }
586
587 #if WXWIN_COMPATIBILITY_2_6
588 // deprecated, use GetCount() instead
589 wxDEPRECATED( size_t GetNoHistoryFiles() const );
590 #endif // WXWIN_COMPATIBILITY_2_6
591
592 protected:
593 // Last n files
594 wxChar** m_fileHistory;
595 // Number of files saved
596 size_t m_fileHistoryN;
597 // Menus to maintain (may need several for an MDI app)
598 wxList m_fileMenus;
599 // Max files to maintain
600 size_t m_fileMaxFiles;
601
602 private:
603 // The ID of the first history menu item (Doesn't have to be wxID_FILE1)
604 wxWindowID m_idBase;
605
606 DECLARE_DYNAMIC_CLASS(wxFileHistory)
607 DECLARE_NO_COPY_CLASS(wxFileHistory)
608 };
609
610 #if WXWIN_COMPATIBILITY_2_6
611 inline size_t wxFileHistory::GetNoHistoryFiles() const
612 {
613 return m_fileHistoryN;
614 }
615 #endif // WXWIN_COMPATIBILITY_2_6
616
617 #if wxUSE_STD_IOSTREAM
618 // For compatibility with existing file formats:
619 // converts from/to a stream to/from a temporary file.
620 bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream);
621 bool WXDLLEXPORT wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename);
622 #else
623 // For compatibility with existing file formats:
624 // converts from/to a stream to/from a temporary file.
625 bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
626 bool WXDLLEXPORT wxTransferStreamToFile(wxInputStream& stream, const wxString& filename);
627 #endif // wxUSE_STD_IOSTREAM
628
629 #endif // wxUSE_DOC_VIEW_ARCHITECTURE
630
631 #endif // _WX_DOCH__