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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/string.h" | |
21 | #include "wx/frame.h" | |
22 | ||
23 | #if wxUSE_PRINTING_ARCHITECTURE | |
24 | #include "wx/print.h" | |
25 | #endif | |
26 | ||
27 | class WXDLLIMPEXP_FWD_CORE wxWindow; | |
28 | class WXDLLIMPEXP_FWD_CORE wxDocument; | |
29 | class WXDLLIMPEXP_FWD_CORE wxView; | |
30 | class WXDLLIMPEXP_FWD_CORE wxDocTemplate; | |
31 | class WXDLLIMPEXP_FWD_CORE wxDocManager; | |
32 | class WXDLLIMPEXP_FWD_CORE wxPrintInfo; | |
33 | class WXDLLIMPEXP_FWD_CORE wxCommandProcessor; | |
34 | class WXDLLIMPEXP_FWD_CORE wxFileHistory; | |
35 | class WXDLLIMPEXP_FWD_BASE wxConfigBase; | |
36 | ||
37 | class wxDocChildFrameAnyBase; | |
38 | ||
39 | #if wxUSE_STD_IOSTREAM | |
40 | #include "wx/iosfwrap.h" | |
41 | #else | |
42 | #include "wx/stream.h" | |
43 | #endif | |
44 | ||
45 | // Flags for wxDocManager (can be combined). | |
46 | enum | |
47 | { | |
48 | wxDOC_NEW = 1, | |
49 | wxDOC_SILENT = 2 | |
50 | }; | |
51 | ||
52 | // Document template flags | |
53 | enum | |
54 | { | |
55 | wxTEMPLATE_VISIBLE = 1, | |
56 | wxTEMPLATE_INVISIBLE = 2, | |
57 | wxDEFAULT_TEMPLATE_FLAGS = wxTEMPLATE_VISIBLE | |
58 | }; | |
59 | ||
60 | #define wxMAX_FILE_HISTORY 9 | |
61 | ||
62 | class WXDLLIMPEXP_CORE wxDocument : public wxEvtHandler | |
63 | { | |
64 | public: | |
65 | wxDocument(wxDocument *parent = NULL); | |
66 | virtual ~wxDocument(); | |
67 | ||
68 | // accessors | |
69 | void SetFilename(const wxString& filename, bool notifyViews = false); | |
70 | wxString GetFilename() const { return m_documentFile; } | |
71 | ||
72 | void SetTitle(const wxString& title) { m_documentTitle = title; } | |
73 | wxString GetTitle() const { return m_documentTitle; } | |
74 | ||
75 | void SetDocumentName(const wxString& name) { m_documentTypeName = name; } | |
76 | wxString GetDocumentName() const { return m_documentTypeName; } | |
77 | ||
78 | // access the flag indicating whether this document had been already saved, | |
79 | // SetDocumentSaved() is only used internally, don't call it | |
80 | bool GetDocumentSaved() const { return m_savedYet; } | |
81 | void SetDocumentSaved(bool saved = true) { m_savedYet = saved; } | |
82 | ||
83 | // return true if the document hasn't been modified since the last time it | |
84 | // was saved (implying that it returns false if it was never saved, even if | |
85 | // the document is not modified) | |
86 | bool AlreadySaved() const { return !IsModified() && GetDocumentSaved(); } | |
87 | ||
88 | virtual bool Close(); | |
89 | virtual bool Save(); | |
90 | virtual bool SaveAs(); | |
91 | virtual bool Revert(); | |
92 | ||
93 | #if wxUSE_STD_IOSTREAM | |
94 | virtual wxSTD ostream& SaveObject(wxSTD ostream& stream); | |
95 | virtual wxSTD istream& LoadObject(wxSTD istream& stream); | |
96 | #else | |
97 | virtual wxOutputStream& SaveObject(wxOutputStream& stream); | |
98 | virtual wxInputStream& LoadObject(wxInputStream& stream); | |
99 | #endif | |
100 | ||
101 | // Called by wxWidgets | |
102 | virtual bool OnSaveDocument(const wxString& filename); | |
103 | virtual bool OnOpenDocument(const wxString& filename); | |
104 | virtual bool OnNewDocument(); | |
105 | virtual bool OnCloseDocument(); | |
106 | ||
107 | // Prompts for saving if about to close a modified document. Returns true | |
108 | // if ok to close the document (may have saved in the meantime, or set | |
109 | // modified to false) | |
110 | virtual bool OnSaveModified(); | |
111 | ||
112 | // if you override, remember to call the default | |
113 | // implementation (wxDocument::OnChangeFilename) | |
114 | virtual void OnChangeFilename(bool notifyViews); | |
115 | ||
116 | // Called by framework if created automatically by the default document | |
117 | // manager: gives document a chance to initialise and (usually) create a | |
118 | // view | |
119 | virtual bool OnCreate(const wxString& path, long flags); | |
120 | ||
121 | // By default, creates a base wxCommandProcessor. | |
122 | virtual wxCommandProcessor *OnCreateCommandProcessor(); | |
123 | virtual wxCommandProcessor *GetCommandProcessor() const | |
124 | { return m_commandProcessor; } | |
125 | virtual void SetCommandProcessor(wxCommandProcessor *proc) | |
126 | { m_commandProcessor = proc; } | |
127 | ||
128 | // Called after a view is added or removed. The default implementation | |
129 | // deletes the document if this is there are no more views. | |
130 | virtual void OnChangedViewList(); | |
131 | ||
132 | virtual bool DeleteContents(); | |
133 | ||
134 | virtual bool Draw(wxDC&); | |
135 | virtual bool IsModified() const { return m_documentModified; } | |
136 | virtual void Modify(bool mod); | |
137 | ||
138 | virtual bool AddView(wxView *view); | |
139 | virtual bool RemoveView(wxView *view); | |
140 | wxList& GetViews() { return m_documentViews; } | |
141 | const wxList& GetViews() const { return m_documentViews; } | |
142 | wxView *GetFirstView() const; | |
143 | ||
144 | virtual void UpdateAllViews(wxView *sender = NULL, wxObject *hint = NULL); | |
145 | virtual void NotifyClosing(); | |
146 | ||
147 | // Remove all views (because we're closing the document) | |
148 | virtual bool DeleteAllViews(); | |
149 | ||
150 | // Other stuff | |
151 | virtual wxDocManager *GetDocumentManager() const; | |
152 | virtual wxDocTemplate *GetDocumentTemplate() const | |
153 | { return m_documentTemplate; } | |
154 | virtual void SetDocumentTemplate(wxDocTemplate *temp) | |
155 | { m_documentTemplate = temp; } | |
156 | ||
157 | // Get the document name to be shown to the user: the title if there is | |
158 | // any, otherwise the filename if the document was saved and, finally, | |
159 | // "unnamed" otherwise | |
160 | virtual wxString GetUserReadableName() const; | |
161 | ||
162 | #if WXWIN_COMPATIBILITY_2_8 | |
163 | // use GetUserReadableName() instead | |
164 | wxDEPRECATED_BUT_USED_INTERNALLY( | |
165 | virtual bool GetPrintableName(wxString& buf) const | |
166 | ); | |
167 | #endif // WXWIN_COMPATIBILITY_2_8 | |
168 | ||
169 | // Returns a window that can be used as a parent for document-related | |
170 | // dialogs. Override if necessary. | |
171 | virtual wxWindow *GetDocumentWindow() const; | |
172 | ||
173 | protected: | |
174 | wxList m_documentViews; | |
175 | wxString m_documentFile; | |
176 | wxString m_documentTitle; | |
177 | wxString m_documentTypeName; | |
178 | wxDocTemplate* m_documentTemplate; | |
179 | bool m_documentModified; | |
180 | wxDocument* m_documentParent; | |
181 | wxCommandProcessor* m_commandProcessor; | |
182 | bool m_savedYet; | |
183 | ||
184 | // Called by OnSaveDocument and OnOpenDocument to implement standard | |
185 | // Save/Load behavior. Re-implement in derived class for custom | |
186 | // behavior. | |
187 | virtual bool DoSaveDocument(const wxString& file); | |
188 | virtual bool DoOpenDocument(const wxString& file); | |
189 | ||
190 | // the default implementation of GetUserReadableName() | |
191 | wxString DoGetUserReadableName() const; | |
192 | ||
193 | private: | |
194 | DECLARE_ABSTRACT_CLASS(wxDocument) | |
195 | wxDECLARE_NO_COPY_CLASS(wxDocument); | |
196 | }; | |
197 | ||
198 | class WXDLLIMPEXP_CORE wxView: public wxEvtHandler | |
199 | { | |
200 | public: | |
201 | wxView(); | |
202 | virtual ~wxView(); | |
203 | ||
204 | wxDocument *GetDocument() const { return m_viewDocument; } | |
205 | virtual void SetDocument(wxDocument *doc); | |
206 | ||
207 | wxString GetViewName() const { return m_viewTypeName; } | |
208 | void SetViewName(const wxString& name) { m_viewTypeName = name; } | |
209 | ||
210 | wxWindow *GetFrame() const { return m_viewFrame ; } | |
211 | void SetFrame(wxWindow *frame) { m_viewFrame = frame; } | |
212 | ||
213 | virtual void OnActivateView(bool activate, | |
214 | wxView *activeView, | |
215 | wxView *deactiveView); | |
216 | virtual void OnDraw(wxDC *dc) = 0; | |
217 | virtual void OnPrint(wxDC *dc, wxObject *info); | |
218 | virtual void OnUpdate(wxView *sender, wxObject *hint = NULL); | |
219 | virtual void OnClosingDocument() {} | |
220 | virtual void OnChangeFilename(); | |
221 | ||
222 | // Called by framework if created automatically by the default document | |
223 | // manager class: gives view a chance to initialise | |
224 | virtual bool OnCreate(wxDocument *WXUNUSED(doc), long WXUNUSED(flags)) | |
225 | { return true; } | |
226 | ||
227 | // Checks if the view is the last one for the document; if so, asks user | |
228 | // to confirm save data (if modified). If ok, deletes itself and returns | |
229 | // true. | |
230 | virtual bool Close(bool deleteWindow = true); | |
231 | ||
232 | // Override to do cleanup/veto close | |
233 | virtual bool OnClose(bool deleteWindow); | |
234 | ||
235 | // A view's window can call this to notify the view it is (in)active. | |
236 | // The function then notifies the document manager. | |
237 | virtual void Activate(bool activate); | |
238 | ||
239 | wxDocManager *GetDocumentManager() const | |
240 | { return m_viewDocument->GetDocumentManager(); } | |
241 | ||
242 | #if wxUSE_PRINTING_ARCHITECTURE | |
243 | virtual wxPrintout *OnCreatePrintout(); | |
244 | #endif | |
245 | ||
246 | // implementation only | |
247 | // ------------------- | |
248 | ||
249 | // set the associated frame, it is used to reset its view when we're | |
250 | // destroyed | |
251 | void SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame); | |
252 | ||
253 | protected: | |
254 | // hook the document into event handlers chain here | |
255 | virtual bool TryBefore(wxEvent& event); | |
256 | ||
257 | wxDocument* m_viewDocument; | |
258 | wxString m_viewTypeName; | |
259 | wxWindow* m_viewFrame; | |
260 | ||
261 | wxDocChildFrameAnyBase *m_docChildFrame; | |
262 | ||
263 | private: | |
264 | DECLARE_ABSTRACT_CLASS(wxView) | |
265 | wxDECLARE_NO_COPY_CLASS(wxView); | |
266 | }; | |
267 | ||
268 | // Represents user interface (and other) properties of documents and views | |
269 | class WXDLLIMPEXP_CORE wxDocTemplate: public wxObject | |
270 | { | |
271 | ||
272 | friend class WXDLLIMPEXP_FWD_CORE wxDocManager; | |
273 | ||
274 | public: | |
275 | // Associate document and view types. They're for identifying what view is | |
276 | // associated with what template/document type | |
277 | wxDocTemplate(wxDocManager *manager, | |
278 | const wxString& descr, | |
279 | const wxString& filter, | |
280 | const wxString& dir, | |
281 | const wxString& ext, | |
282 | const wxString& docTypeName, | |
283 | const wxString& viewTypeName, | |
284 | wxClassInfo *docClassInfo = NULL, | |
285 | wxClassInfo *viewClassInfo = NULL, | |
286 | long flags = wxDEFAULT_TEMPLATE_FLAGS); | |
287 | ||
288 | virtual ~wxDocTemplate(); | |
289 | ||
290 | // By default, these two member functions dynamically creates document and | |
291 | // view using dynamic instance construction. Override these if you need a | |
292 | // different method of construction. | |
293 | virtual wxDocument *CreateDocument(const wxString& path, long flags = 0); | |
294 | virtual wxView *CreateView(wxDocument *doc, long flags = 0); | |
295 | ||
296 | // Helper method for CreateDocument; also allows you to do your own document | |
297 | // creation | |
298 | virtual bool InitDocument(wxDocument* doc, | |
299 | const wxString& path, | |
300 | long flags = 0); | |
301 | ||
302 | wxString GetDefaultExtension() const { return m_defaultExt; } | |
303 | wxString GetDescription() const { return m_description; } | |
304 | wxString GetDirectory() const { return m_directory; } | |
305 | wxDocManager *GetDocumentManager() const { return m_documentManager; } | |
306 | void SetDocumentManager(wxDocManager *manager) | |
307 | { m_documentManager = manager; } | |
308 | wxString GetFileFilter() const { return m_fileFilter; } | |
309 | long GetFlags() const { return m_flags; } | |
310 | virtual wxString GetViewName() const { return m_viewTypeName; } | |
311 | virtual wxString GetDocumentName() const { return m_docTypeName; } | |
312 | ||
313 | void SetFileFilter(const wxString& filter) { m_fileFilter = filter; } | |
314 | void SetDirectory(const wxString& dir) { m_directory = dir; } | |
315 | void SetDescription(const wxString& descr) { m_description = descr; } | |
316 | void SetDefaultExtension(const wxString& ext) { m_defaultExt = ext; } | |
317 | void SetFlags(long flags) { m_flags = flags; } | |
318 | ||
319 | bool IsVisible() const { return (m_flags & wxTEMPLATE_VISIBLE) != 0; } | |
320 | ||
321 | wxClassInfo* GetDocClassInfo() const { return m_docClassInfo; } | |
322 | wxClassInfo* GetViewClassInfo() const { return m_viewClassInfo; } | |
323 | ||
324 | virtual bool FileMatchesTemplate(const wxString& path); | |
325 | ||
326 | protected: | |
327 | long m_flags; | |
328 | wxString m_fileFilter; | |
329 | wxString m_directory; | |
330 | wxString m_description; | |
331 | wxString m_defaultExt; | |
332 | wxString m_docTypeName; | |
333 | wxString m_viewTypeName; | |
334 | wxDocManager* m_documentManager; | |
335 | ||
336 | // For dynamic creation of appropriate instances. | |
337 | wxClassInfo* m_docClassInfo; | |
338 | wxClassInfo* m_viewClassInfo; | |
339 | ||
340 | // Called by CreateDocument and CreateView to create the actual | |
341 | // document/view object. | |
342 | // | |
343 | // By default uses the ClassInfo provided to the constructor. Override | |
344 | // these functions to provide a different method of creation. | |
345 | virtual wxDocument *DoCreateDocument(); | |
346 | virtual wxView *DoCreateView(); | |
347 | ||
348 | private: | |
349 | DECLARE_CLASS(wxDocTemplate) | |
350 | wxDECLARE_NO_COPY_CLASS(wxDocTemplate); | |
351 | }; | |
352 | ||
353 | // One object of this class may be created in an application, to manage all | |
354 | // the templates and documents. | |
355 | class WXDLLIMPEXP_CORE wxDocManager: public wxEvtHandler | |
356 | { | |
357 | public: | |
358 | // NB: flags are unused, don't pass wxDOC_XXX to this ctor | |
359 | wxDocManager(long flags = 0, bool initialize = true); | |
360 | virtual ~wxDocManager(); | |
361 | ||
362 | virtual bool Initialize(); | |
363 | ||
364 | // Handlers for common user commands | |
365 | void OnFileClose(wxCommandEvent& event); | |
366 | void OnFileCloseAll(wxCommandEvent& event); | |
367 | void OnFileNew(wxCommandEvent& event); | |
368 | void OnFileOpen(wxCommandEvent& event); | |
369 | void OnFileRevert(wxCommandEvent& event); | |
370 | void OnFileSave(wxCommandEvent& event); | |
371 | void OnFileSaveAs(wxCommandEvent& event); | |
372 | void OnPrint(wxCommandEvent& event); | |
373 | void OnPreview(wxCommandEvent& event); | |
374 | void OnUndo(wxCommandEvent& event); | |
375 | void OnRedo(wxCommandEvent& event); | |
376 | ||
377 | // Handlers for UI update commands | |
378 | void OnUpdateFileOpen(wxUpdateUIEvent& event); | |
379 | void OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event); | |
380 | void OnUpdateFileRevert(wxUpdateUIEvent& event); | |
381 | void OnUpdateFileNew(wxUpdateUIEvent& event); | |
382 | void OnUpdateFileSave(wxUpdateUIEvent& event); | |
383 | void OnUpdateUndo(wxUpdateUIEvent& event); | |
384 | void OnUpdateRedo(wxUpdateUIEvent& event); | |
385 | ||
386 | // called when file format detection didn't work, can be overridden to do | |
387 | // something in this case | |
388 | virtual void OnOpenFileFailure() { } | |
389 | ||
390 | virtual wxDocument *CreateDocument(const wxString& path, long flags = 0); | |
391 | ||
392 | // wrapper around CreateDocument() with a more clear name | |
393 | wxDocument *CreateNewDocument() | |
394 | { return CreateDocument(wxString(), wxDOC_NEW); } | |
395 | ||
396 | virtual wxView *CreateView(wxDocument *doc, long flags = 0); | |
397 | virtual void DeleteTemplate(wxDocTemplate *temp, long flags = 0); | |
398 | virtual bool FlushDoc(wxDocument *doc); | |
399 | virtual wxDocTemplate *MatchTemplate(const wxString& path); | |
400 | virtual wxDocTemplate *SelectDocumentPath(wxDocTemplate **templates, | |
401 | int noTemplates, wxString& path, long flags, bool save = false); | |
402 | virtual wxDocTemplate *SelectDocumentType(wxDocTemplate **templates, | |
403 | int noTemplates, bool sort = false); | |
404 | virtual wxDocTemplate *SelectViewType(wxDocTemplate **templates, | |
405 | int noTemplates, bool sort = false); | |
406 | virtual wxDocTemplate *FindTemplateForPath(const wxString& path); | |
407 | ||
408 | void AssociateTemplate(wxDocTemplate *temp); | |
409 | void DisassociateTemplate(wxDocTemplate *temp); | |
410 | ||
411 | wxDocument *GetCurrentDocument() const; | |
412 | ||
413 | void SetMaxDocsOpen(int n) { m_maxDocsOpen = n; } | |
414 | int GetMaxDocsOpen() const { return m_maxDocsOpen; } | |
415 | ||
416 | // Add and remove a document from the manager's list | |
417 | void AddDocument(wxDocument *doc); | |
418 | void RemoveDocument(wxDocument *doc); | |
419 | ||
420 | // closes all currently open documents | |
421 | bool CloseDocuments(bool force = true); | |
422 | ||
423 | // closes the specified document | |
424 | bool CloseDocument(wxDocument* doc, bool force = false); | |
425 | ||
426 | // Clear remaining documents and templates | |
427 | bool Clear(bool force = true); | |
428 | ||
429 | // Views or windows should inform the document manager | |
430 | // when a view is going in or out of focus | |
431 | virtual void ActivateView(wxView *view, bool activate = true); | |
432 | virtual wxView *GetCurrentView() const { return m_currentView; } | |
433 | ||
434 | wxList& GetDocuments() { return m_docs; } | |
435 | wxList& GetTemplates() { return m_templates; } | |
436 | ||
437 | // Return the default name for a new document (by default returns strings | |
438 | // in the form "unnamed <counter>" but can be overridden) | |
439 | virtual wxString MakeNewDocumentName(); | |
440 | ||
441 | // Make a frame title (override this to do something different) | |
442 | virtual wxString MakeFrameTitle(wxDocument* doc); | |
443 | ||
444 | virtual wxFileHistory *OnCreateFileHistory(); | |
445 | virtual wxFileHistory *GetFileHistory() const { return m_fileHistory; } | |
446 | ||
447 | // File history management | |
448 | virtual void AddFileToHistory(const wxString& file); | |
449 | virtual void RemoveFileFromHistory(size_t i); | |
450 | virtual size_t GetHistoryFilesCount() const; | |
451 | virtual wxString GetHistoryFile(size_t i) const; | |
452 | virtual void FileHistoryUseMenu(wxMenu *menu); | |
453 | virtual void FileHistoryRemoveMenu(wxMenu *menu); | |
454 | #if wxUSE_CONFIG | |
455 | virtual void FileHistoryLoad(const wxConfigBase& config); | |
456 | virtual void FileHistorySave(wxConfigBase& config); | |
457 | #endif // wxUSE_CONFIG | |
458 | ||
459 | virtual void FileHistoryAddFilesToMenu(); | |
460 | virtual void FileHistoryAddFilesToMenu(wxMenu* menu); | |
461 | ||
462 | wxString GetLastDirectory() const; | |
463 | void SetLastDirectory(const wxString& dir) { m_lastDirectory = dir; } | |
464 | ||
465 | // Get the current document manager | |
466 | static wxDocManager* GetDocumentManager() { return sm_docManager; } | |
467 | ||
468 | #if WXWIN_COMPATIBILITY_2_8 | |
469 | // deprecated, override GetDefaultName() instead | |
470 | wxDEPRECATED_BUT_USED_INTERNALLY( | |
471 | virtual bool MakeDefaultName(wxString& buf) | |
472 | ); | |
473 | #endif | |
474 | ||
475 | #if WXWIN_COMPATIBILITY_2_6 | |
476 | // deprecated, use GetHistoryFilesCount() instead | |
477 | wxDEPRECATED( size_t GetNoHistoryFiles() const ); | |
478 | #endif // WXWIN_COMPATIBILITY_2_6 | |
479 | ||
480 | protected: | |
481 | #if wxUSE_PRINTING_ARCHITECTURE | |
482 | virtual wxPreviewFrame* CreatePreviewFrame(wxPrintPreviewBase* preview, | |
483 | wxWindow *parent, | |
484 | const wxString& title); | |
485 | #endif // wxUSE_PRINTING_ARCHITECTURE | |
486 | ||
487 | // hook the currently active view into event handlers chain here | |
488 | virtual bool TryBefore(wxEvent& event); | |
489 | ||
490 | // return the command processor for the current document, if any | |
491 | wxCommandProcessor *GetCurrentCommandProcessor() const; | |
492 | ||
493 | // this method tries to find an active view harder than GetCurrentView(): | |
494 | // if the latter is NULL, it also checks if we don't have just a single | |
495 | // view and returns it then | |
496 | wxView *GetActiveView() const; | |
497 | ||
498 | ||
499 | int m_defaultDocumentNameCounter; | |
500 | int m_maxDocsOpen; | |
501 | wxList m_docs; | |
502 | wxList m_templates; | |
503 | wxView* m_currentView; | |
504 | wxFileHistory* m_fileHistory; | |
505 | wxString m_lastDirectory; | |
506 | static wxDocManager* sm_docManager; | |
507 | ||
508 | DECLARE_EVENT_TABLE() | |
509 | DECLARE_DYNAMIC_CLASS(wxDocManager) | |
510 | wxDECLARE_NO_COPY_CLASS(wxDocManager); | |
511 | }; | |
512 | ||
513 | #if WXWIN_COMPATIBILITY_2_6 | |
514 | inline size_t wxDocManager::GetNoHistoryFiles() const | |
515 | { | |
516 | return GetHistoryFilesCount(); | |
517 | } | |
518 | #endif // WXWIN_COMPATIBILITY_2_6 | |
519 | ||
520 | // ---------------------------------------------------------------------------- | |
521 | // Base class for child frames -- this is what wxView renders itself into | |
522 | // | |
523 | // Notice that this is a mix-in class so it doesn't derive from wxWindow, only | |
524 | // wxDocChildFrameAny does | |
525 | // ---------------------------------------------------------------------------- | |
526 | ||
527 | class WXDLLIMPEXP_CORE wxDocChildFrameAnyBase | |
528 | { | |
529 | public: | |
530 | // default ctor, use Create() after it | |
531 | wxDocChildFrameAnyBase() | |
532 | { | |
533 | m_childDocument = NULL; | |
534 | m_childView = NULL; | |
535 | m_win = NULL; | |
536 | } | |
537 | ||
538 | // full ctor equivalent to using the default one and Create(0 | |
539 | wxDocChildFrameAnyBase(wxDocument *doc, wxView *view, wxWindow *win) | |
540 | { | |
541 | Create(doc, view, win); | |
542 | } | |
543 | ||
544 | // method which must be called for an object created using the default ctor | |
545 | // | |
546 | // note that it returns bool just for consistency with Create() methods in | |
547 | // other classes, we never return false from here | |
548 | bool Create(wxDocument *doc, wxView *view, wxWindow *win) | |
549 | { | |
550 | m_childDocument = doc; | |
551 | m_childView = view; | |
552 | m_win = win; | |
553 | ||
554 | if ( view ) | |
555 | view->SetDocChildFrame(this); | |
556 | ||
557 | return true; | |
558 | } | |
559 | ||
560 | // dtor doesn't need to be virtual, an object should never be destroyed via | |
561 | // a pointer to this class | |
562 | ~wxDocChildFrameAnyBase() | |
563 | { | |
564 | // prevent the view from deleting us if we're being deleted directly | |
565 | // (and not via Close() + Destroy()) | |
566 | if ( m_childView ) | |
567 | m_childView->SetDocChildFrame(NULL); | |
568 | } | |
569 | ||
570 | wxDocument *GetDocument() const { return m_childDocument; } | |
571 | wxView *GetView() const { return m_childView; } | |
572 | void SetDocument(wxDocument *doc) { m_childDocument = doc; } | |
573 | void SetView(wxView *view) { m_childView = view; } | |
574 | ||
575 | wxWindow *GetWindow() const { return m_win; } | |
576 | ||
577 | protected: | |
578 | // we're not a wxEvtHandler but we provide this wxEvtHandler-like function | |
579 | // which is called from TryBefore() of the derived classes to give our view | |
580 | // a chance to process the message before the frame event handlers are used | |
581 | bool TryProcessEvent(wxEvent& event) | |
582 | { | |
583 | return m_childView && m_childView->ProcessEventHere(event); | |
584 | } | |
585 | ||
586 | // called from EVT_CLOSE handler in the frame: check if we can close and do | |
587 | // cleanup if so; veto the event otherwise | |
588 | bool CloseView(wxCloseEvent& event); | |
589 | ||
590 | ||
591 | wxDocument* m_childDocument; | |
592 | wxView* m_childView; | |
593 | ||
594 | // the associated window: having it here is not terribly elegant but it | |
595 | // allows us to avoid having any virtual functions in this class | |
596 | wxWindow* m_win; | |
597 | ||
598 | ||
599 | wxDECLARE_NO_COPY_CLASS(wxDocChildFrameAnyBase); | |
600 | }; | |
601 | ||
602 | // ---------------------------------------------------------------------------- | |
603 | // Template implementing child frame concept using the given wxFrame-like class | |
604 | // | |
605 | // This is used to define wxDocChildFrame and wxDocMDIChildFrame: ChildFrame is | |
606 | // a wxFrame or wxMDIChildFrame (although in theory it could be any wxWindow- | |
607 | // derived class as long as it provided a ctor with the same signature as | |
608 | // wxFrame and OnActivate() method) and ParentFrame is either wxFrame or | |
609 | // wxMDIParentFrame. | |
610 | // ---------------------------------------------------------------------------- | |
611 | ||
612 | template <class ChildFrame, class ParentFrame> | |
613 | class WXDLLIMPEXP_CORE wxDocChildFrameAny : public ChildFrame, | |
614 | public wxDocChildFrameAnyBase | |
615 | { | |
616 | public: | |
617 | typedef ChildFrame BaseClass; | |
618 | ||
619 | // default ctor, use Create after it | |
620 | wxDocChildFrameAny() { } | |
621 | ||
622 | // ctor for a frame showing the given view of the specified document | |
623 | wxDocChildFrameAny(wxDocument *doc, | |
624 | wxView *view, | |
625 | ParentFrame *parent, | |
626 | wxWindowID id, | |
627 | const wxString& title, | |
628 | const wxPoint& pos = wxDefaultPosition, | |
629 | const wxSize& size = wxDefaultSize, | |
630 | long style = wxDEFAULT_FRAME_STYLE, | |
631 | const wxString& name = wxFrameNameStr) | |
632 | { | |
633 | Create(doc, view, parent, id, title, pos, size, style, name); | |
634 | } | |
635 | ||
636 | bool Create(wxDocument *doc, | |
637 | wxView *view, | |
638 | ParentFrame *parent, | |
639 | wxWindowID id, | |
640 | const wxString& title, | |
641 | const wxPoint& pos = wxDefaultPosition, | |
642 | const wxSize& size = wxDefaultSize, | |
643 | long style = wxDEFAULT_FRAME_STYLE, | |
644 | const wxString& name = wxFrameNameStr) | |
645 | { | |
646 | if ( !wxDocChildFrameAnyBase::Create(doc, view, this) ) | |
647 | return false; | |
648 | ||
649 | if ( !BaseClass::Create(parent, id, title, pos, size, style, name) ) | |
650 | return false; | |
651 | ||
652 | this->Connect(wxEVT_ACTIVATE, | |
653 | wxActivateEventHandler(wxDocChildFrameAny::OnActivate)); | |
654 | this->Connect(wxEVT_CLOSE_WINDOW, | |
655 | wxCloseEventHandler(wxDocChildFrameAny::OnCloseWindow)); | |
656 | ||
657 | return true; | |
658 | } | |
659 | ||
660 | virtual bool Destroy() | |
661 | { | |
662 | // FIXME: why exactly do we do this? to avoid activation events during | |
663 | // destructions maybe? | |
664 | m_childView = NULL; | |
665 | return BaseClass::Destroy(); | |
666 | } | |
667 | ||
668 | protected: | |
669 | // hook the child view into event handlers chain here | |
670 | virtual bool TryBefore(wxEvent& event) | |
671 | { | |
672 | return TryProcessEvent(event) || BaseClass::TryBefore(event); | |
673 | } | |
674 | ||
675 | private: | |
676 | void OnActivate(wxActivateEvent& event) | |
677 | { | |
678 | BaseClass::OnActivate(event); | |
679 | ||
680 | if ( m_childView ) | |
681 | m_childView->Activate(event.GetActive()); | |
682 | } | |
683 | ||
684 | void OnCloseWindow(wxCloseEvent& event) | |
685 | { | |
686 | if ( CloseView(event) ) | |
687 | Destroy(); | |
688 | //else: vetoed | |
689 | } | |
690 | ||
691 | wxDECLARE_NO_COPY_TEMPLATE_CLASS_2(wxDocChildFrameAny, | |
692 | ChildFrame, ParentFrame); | |
693 | }; | |
694 | ||
695 | // ---------------------------------------------------------------------------- | |
696 | // A default child frame: we need to define it as a class just for wxRTTI, | |
697 | // otherwise we could simply typedef it | |
698 | // ---------------------------------------------------------------------------- | |
699 | ||
700 | #ifdef __VISUALC6__ | |
701 | // "non dll-interface class 'wxDocChildFrameAny<>' used as base interface | |
702 | // for dll-interface class 'wxDocChildFrame'" -- this is bogus as the | |
703 | // template will be DLL-exported but only once it is used as base class | |
704 | // here! | |
705 | #pragma warning (push) | |
706 | #pragma warning (disable:4275) | |
707 | #endif | |
708 | ||
709 | typedef wxDocChildFrameAny<wxFrame, wxFrame> wxDocChildFrameBase; | |
710 | ||
711 | class WXDLLIMPEXP_CORE wxDocChildFrame : public wxDocChildFrameBase | |
712 | { | |
713 | public: | |
714 | wxDocChildFrame() | |
715 | { | |
716 | } | |
717 | ||
718 | wxDocChildFrame(wxDocument *doc, | |
719 | wxView *view, | |
720 | wxFrame *parent, | |
721 | wxWindowID id, | |
722 | const wxString& title, | |
723 | const wxPoint& pos = wxDefaultPosition, | |
724 | const wxSize& size = wxDefaultSize, | |
725 | long style = wxDEFAULT_FRAME_STYLE, | |
726 | const wxString& name = wxFrameNameStr) | |
727 | : wxDocChildFrameBase(doc, view, | |
728 | parent, id, title, pos, size, style, name) | |
729 | { | |
730 | } | |
731 | ||
732 | bool Create(wxDocument *doc, | |
733 | wxView *view, | |
734 | wxFrame *parent, | |
735 | wxWindowID id, | |
736 | const wxString& title, | |
737 | const wxPoint& pos = wxDefaultPosition, | |
738 | const wxSize& size = wxDefaultSize, | |
739 | long style = wxDEFAULT_FRAME_STYLE, | |
740 | const wxString& name = wxFrameNameStr) | |
741 | { | |
742 | return wxDocChildFrameBase::Create | |
743 | ( | |
744 | doc, view, | |
745 | parent, id, title, pos, size, style, name | |
746 | ); | |
747 | } | |
748 | ||
749 | private: | |
750 | DECLARE_CLASS(wxDocChildFrame) | |
751 | wxDECLARE_NO_COPY_CLASS(wxDocChildFrame); | |
752 | }; | |
753 | ||
754 | #ifdef __VISUALC6__ | |
755 | #pragma warning (pop) | |
756 | #endif | |
757 | ||
758 | // ---------------------------------------------------------------------------- | |
759 | // A default parent frame | |
760 | // ---------------------------------------------------------------------------- | |
761 | ||
762 | class WXDLLIMPEXP_CORE wxDocParentFrame : public wxFrame | |
763 | { | |
764 | public: | |
765 | wxDocParentFrame(); | |
766 | wxDocParentFrame(wxDocManager *manager, | |
767 | wxFrame *frame, | |
768 | wxWindowID id, | |
769 | const wxString& title, | |
770 | const wxPoint& pos = wxDefaultPosition, | |
771 | const wxSize& size = wxDefaultSize, | |
772 | long style = wxDEFAULT_FRAME_STYLE, | |
773 | const wxString& name = wxFrameNameStr); | |
774 | ||
775 | bool Create(wxDocManager *manager, | |
776 | wxFrame *frame, | |
777 | wxWindowID id, | |
778 | const wxString& title, | |
779 | const wxPoint& pos = wxDefaultPosition, | |
780 | const wxSize& size = wxDefaultSize, | |
781 | long style = wxDEFAULT_FRAME_STYLE, | |
782 | const wxString& name = wxFrameNameStr); | |
783 | ||
784 | wxDocManager *GetDocumentManager() const { return m_docManager; } | |
785 | ||
786 | void OnExit(wxCommandEvent& event); | |
787 | void OnMRUFile(wxCommandEvent& event); | |
788 | void OnCloseWindow(wxCloseEvent& event); | |
789 | ||
790 | protected: | |
791 | // hook the document manager into event handling chain here | |
792 | virtual bool TryBefore(wxEvent& event); | |
793 | ||
794 | wxDocManager *m_docManager; | |
795 | ||
796 | private: | |
797 | typedef wxFrame base_type; | |
798 | DECLARE_CLASS(wxDocParentFrame) | |
799 | DECLARE_EVENT_TABLE() | |
800 | wxDECLARE_NO_COPY_CLASS(wxDocParentFrame); | |
801 | }; | |
802 | ||
803 | // ---------------------------------------------------------------------------- | |
804 | // Provide simple default printing facilities | |
805 | // ---------------------------------------------------------------------------- | |
806 | ||
807 | #if wxUSE_PRINTING_ARCHITECTURE | |
808 | class WXDLLIMPEXP_CORE wxDocPrintout : public wxPrintout | |
809 | { | |
810 | public: | |
811 | wxDocPrintout(wxView *view = NULL, const wxString& title = wxT("Printout")); | |
812 | ||
813 | // implement wxPrintout methods | |
814 | virtual bool OnPrintPage(int page); | |
815 | virtual bool HasPage(int page); | |
816 | virtual bool OnBeginDocument(int startPage, int endPage); | |
817 | virtual void GetPageInfo(int *minPage, int *maxPage, | |
818 | int *selPageFrom, int *selPageTo); | |
819 | ||
820 | virtual wxView *GetView() { return m_printoutView; } | |
821 | ||
822 | protected: | |
823 | wxView* m_printoutView; | |
824 | ||
825 | private: | |
826 | DECLARE_DYNAMIC_CLASS(wxDocPrintout) | |
827 | wxDECLARE_NO_COPY_CLASS(wxDocPrintout); | |
828 | }; | |
829 | #endif // wxUSE_PRINTING_ARCHITECTURE | |
830 | ||
831 | // ---------------------------------------------------------------------------- | |
832 | // File history management | |
833 | // ---------------------------------------------------------------------------- | |
834 | ||
835 | class WXDLLIMPEXP_CORE wxFileHistory : public wxObject | |
836 | { | |
837 | public: | |
838 | wxFileHistory(size_t maxFiles = 9, wxWindowID idBase = wxID_FILE1); | |
839 | ||
840 | // Operations | |
841 | virtual void AddFileToHistory(const wxString& file); | |
842 | virtual void RemoveFileFromHistory(size_t i); | |
843 | virtual int GetMaxFiles() const { return (int)m_fileMaxFiles; } | |
844 | virtual void UseMenu(wxMenu *menu); | |
845 | ||
846 | // Remove menu from the list (MDI child may be closing) | |
847 | virtual void RemoveMenu(wxMenu *menu); | |
848 | ||
849 | #if wxUSE_CONFIG | |
850 | virtual void Load(const wxConfigBase& config); | |
851 | virtual void Save(wxConfigBase& config); | |
852 | #endif // wxUSE_CONFIG | |
853 | ||
854 | virtual void AddFilesToMenu(); | |
855 | virtual void AddFilesToMenu(wxMenu* menu); // Single menu | |
856 | ||
857 | // Accessors | |
858 | virtual wxString GetHistoryFile(size_t i) const { return m_fileHistory[i]; } | |
859 | virtual size_t GetCount() const { return m_fileHistory.GetCount(); } | |
860 | ||
861 | const wxList& GetMenus() const { return m_fileMenus; } | |
862 | ||
863 | // Set/get base id | |
864 | void SetBaseId(wxWindowID baseId) { m_idBase = baseId; } | |
865 | wxWindowID GetBaseId() const { return m_idBase; } | |
866 | ||
867 | #if WXWIN_COMPATIBILITY_2_6 | |
868 | // deprecated, use GetCount() instead | |
869 | wxDEPRECATED( size_t GetNoHistoryFiles() const ); | |
870 | #endif // WXWIN_COMPATIBILITY_2_6 | |
871 | ||
872 | protected: | |
873 | // Last n files | |
874 | wxArrayString m_fileHistory; | |
875 | ||
876 | // Menus to maintain (may need several for an MDI app) | |
877 | wxList m_fileMenus; | |
878 | ||
879 | // Max files to maintain | |
880 | size_t m_fileMaxFiles; | |
881 | ||
882 | private: | |
883 | // The ID of the first history menu item (Doesn't have to be wxID_FILE1) | |
884 | wxWindowID m_idBase; | |
885 | ||
886 | DECLARE_DYNAMIC_CLASS(wxFileHistory) | |
887 | wxDECLARE_NO_COPY_CLASS(wxFileHistory); | |
888 | }; | |
889 | ||
890 | #if WXWIN_COMPATIBILITY_2_6 | |
891 | inline size_t wxFileHistory::GetNoHistoryFiles() const | |
892 | { | |
893 | return m_fileHistory.GetCount(); | |
894 | } | |
895 | #endif // WXWIN_COMPATIBILITY_2_6 | |
896 | ||
897 | // For compatibility with existing file formats: | |
898 | // converts from/to a stream to/from a temporary file. | |
899 | #if wxUSE_STD_IOSTREAM | |
900 | bool WXDLLIMPEXP_CORE | |
901 | wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream); | |
902 | bool WXDLLIMPEXP_CORE | |
903 | wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename); | |
904 | #else | |
905 | bool WXDLLIMPEXP_CORE | |
906 | wxTransferFileToStream(const wxString& filename, wxOutputStream& stream); | |
907 | bool WXDLLIMPEXP_CORE | |
908 | wxTransferStreamToFile(wxInputStream& stream, const wxString& filename); | |
909 | #endif // wxUSE_STD_IOSTREAM | |
910 | ||
911 | ||
912 | // these flags are not used anywhere by wxWidgets and kept only for an unlikely | |
913 | // case of existing user code using them for its own purposes | |
914 | #ifdef WXWIN_COMPATIBILITY_2_8 | |
915 | enum | |
916 | { | |
917 | wxDOC_SDI = 1, | |
918 | wxDOC_MDI, | |
919 | wxDEFAULT_DOCMAN_FLAGS = wxDOC_SDI | |
920 | }; | |
921 | #endif // WXWIN_COMPATIBILITY_2_8 | |
922 | ||
923 | #endif // wxUSE_DOC_VIEW_ARCHITECTURE | |
924 | ||
925 | #endif // _WX_DOCH__ |