X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9c8116f8f70399b08b4af7d41861278c1c2665ab..591cc82deb5bc6dd0af6047ecfa7ce7cf4f8d859:/include/wx/docview.h?ds=inline diff --git a/include/wx/docview.h b/include/wx/docview.h index da00c0f814..6568e7654a 100644 --- a/include/wx/docview.h +++ b/include/wx/docview.h @@ -40,14 +40,11 @@ class WXDLLIMPEXP_FWD_BASE wxConfigBase; #include "wx/stream.h" #endif -// Document manager flags +// Flags for wxDocManager (can be combined). enum { - wxDOC_SDI = 1, - wxDOC_MDI, - wxDOC_NEW, - wxDOC_SILENT, - wxDEFAULT_DOCMAN_FLAGS = wxDOC_SDI + wxDOC_NEW = 1, + wxDOC_SILENT = 2 }; // Document template flags @@ -63,7 +60,7 @@ enum class WXDLLIMPEXP_CORE wxDocument : public wxEvtHandler { public: - wxDocument(wxDocument *parent = (wxDocument *) NULL); + wxDocument(wxDocument *parent = NULL); virtual ~wxDocument(); // accessors @@ -76,9 +73,16 @@ public: void SetDocumentName(const wxString& name) { m_documentTypeName = name; } wxString GetDocumentName() const { return m_documentTypeName; } + // access the flag indicating whether this document had been already saved, + // SetDocumentSaved() is only used internally, don't call it bool GetDocumentSaved() const { return m_savedYet; } void SetDocumentSaved(bool saved = true) { m_savedYet = saved; } + // return true if the document hasn't been modified since the last time it + // was saved (implying that it returns false if it was never saved, even if + // the document is not modified) + bool AlreadySaved() const { return !IsModified() && GetDocumentSaved(); } + virtual bool Close(); virtual bool Save(); virtual bool SaveAs(); @@ -103,6 +107,10 @@ public: // modified to false) virtual bool OnSaveModified(); + // if you override, remember to call the default + // implementation (wxDocument::OnChangeFilename) + virtual void OnChangeFilename(bool notifyViews); + // Called by framework if created automatically by the default document // manager: gives document a chance to initialise and (usually) create a // view @@ -129,7 +137,7 @@ public: const wxList& GetViews() const { return m_documentViews; } wxView *GetFirstView() const; - virtual void UpdateAllViews(wxView *sender = (wxView *) NULL, wxObject *hint = (wxObject *) NULL); + virtual void UpdateAllViews(wxView *sender = NULL, wxObject *hint = NULL); virtual void NotifyClosing(); // Remove all views (because we're closing the document) @@ -184,7 +192,6 @@ private: class WXDLLIMPEXP_CORE wxView: public wxEvtHandler { public: - // wxView(wxDocument *doc = (wxDocument *) NULL); wxView(); virtual ~wxView(); @@ -200,13 +207,14 @@ public: virtual void OnActivateView(bool activate, wxView *activeView, wxView *deactiveView); virtual void OnDraw(wxDC *dc) = 0; virtual void OnPrint(wxDC *dc, wxObject *info); - virtual void OnUpdate(wxView *sender, wxObject *hint = (wxObject *) NULL); + virtual void OnUpdate(wxView *sender, wxObject *hint = NULL); virtual void OnClosingDocument() {} virtual void OnChangeFilename(); // Called by framework if created automatically by the default document // manager class: gives view a chance to initialise - virtual bool OnCreate(wxDocument *WXUNUSED(doc), long WXUNUSED(flags)) { return true; } + virtual bool OnCreate(wxDocument *WXUNUSED(doc), long WXUNUSED(flags)) + { return true; } // Checks if the view is the last one for the document; if so, asks user // to confirm save data (if modified). If ok, deletes itself and returns @@ -216,9 +224,6 @@ public: // Override to do cleanup/veto close virtual bool OnClose(bool deleteWindow); - // Extend event processing to search the document's event table - virtual bool ProcessEvent(wxEvent& event); - // A view's window can call this to notify the view it is (in)active. // The function then notifies the document manager. virtual void Activate(bool activate); @@ -231,6 +236,9 @@ public: #endif protected: + // hook the document into event handlers chain here + virtual bool TryValidator(wxEvent& event); + wxDocument* m_viewDocument; wxString m_viewTypeName; wxWindow* m_viewFrame; @@ -256,8 +264,8 @@ public: const wxString& ext, const wxString& docTypeName, const wxString& viewTypeName, - wxClassInfo *docClassInfo = (wxClassInfo *) NULL, - wxClassInfo *viewClassInfo = (wxClassInfo *)NULL, + wxClassInfo *docClassInfo = NULL, + wxClassInfo *viewClassInfo = NULL, long flags = wxDEFAULT_TEMPLATE_FLAGS); virtual ~wxDocTemplate(); @@ -325,7 +333,8 @@ private: class WXDLLIMPEXP_CORE wxDocManager: public wxEvtHandler { public: - wxDocManager(long flags = wxDEFAULT_DOCMAN_FLAGS, bool initialize = true); + // NB: flags are unused, don't pass wxDOC_XXX to this ctor + wxDocManager(long flags = 0, bool initialize = true); virtual ~wxDocManager(); virtual bool Initialize(); @@ -345,25 +354,22 @@ public: // Handlers for UI update commands void OnUpdateFileOpen(wxUpdateUIEvent& event); - void OnUpdateFileClose(wxUpdateUIEvent& event); - void OnUpdateFileRevert(wxUpdateUIEvent& event); + void OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event); void OnUpdateFileNew(wxUpdateUIEvent& event); void OnUpdateFileSave(wxUpdateUIEvent& event); - void OnUpdateFileSaveAs(wxUpdateUIEvent& event); void OnUpdateUndo(wxUpdateUIEvent& event); void OnUpdateRedo(wxUpdateUIEvent& event); - void OnUpdatePrint(wxUpdateUIEvent& event); - void OnUpdatePreview(wxUpdateUIEvent& event); - - // Extend event processing to search the view's event table - virtual bool ProcessEvent(wxEvent& event); - // called when file format detection didn't work, can be overridden to do // something in this case virtual void OnOpenFileFailure() { } virtual wxDocument *CreateDocument(const wxString& path, long flags = 0); + + // wrapper around CreateDocument() with a more clear name + wxDocument *CreateNewDocument() + { return CreateDocument(wxString(), wxDOC_NEW); } + virtual wxView *CreateView(wxDocument *doc, long flags = 0); virtual void DeleteTemplate(wxDocTemplate *temp, long flags = 0); virtual bool FlushDoc(wxDocument *doc); @@ -449,7 +455,9 @@ public: #endif // WXWIN_COMPATIBILITY_2_6 protected: - long m_flags; + // hook the currently active view into event handlers chain here + virtual bool TryValidator(wxEvent& event); + int m_defaultDocumentNameCounter; int m_maxDocsOpen; wxList m_docs; @@ -486,12 +494,9 @@ public: const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long type = wxDEFAULT_FRAME_STYLE, - const wxString& name = wxT("frame")); + const wxString& name = wxFrameNameStr); virtual ~wxDocChildFrame(){} - // Extend event processing to search the view's event table - virtual bool ProcessEvent(wxEvent& event); - void OnActivate(wxActivateEvent& event); void OnCloseWindow(wxCloseEvent& event); @@ -499,9 +504,12 @@ public: wxView *GetView() const { return m_childView; } void SetDocument(wxDocument *doc) { m_childDocument = doc; } void SetView(wxView *view) { m_childView = view; } - bool Destroy() { m_childView = (wxView *)NULL; return wxFrame::Destroy(); } + bool Destroy() { m_childView = NULL; return wxFrame::Destroy(); } protected: + // hook the child view into event handlers chain here + virtual bool TryValidator(wxEvent& event); + wxDocument* m_childDocument; wxView* m_childView; @@ -537,9 +545,6 @@ public: long style = wxDEFAULT_FRAME_STYLE, const wxString& name = wxFrameNameStr); - // Extend event processing to search the document manager's event table - virtual bool ProcessEvent(wxEvent& event); - wxDocManager *GetDocumentManager() const { return m_docManager; } void OnExit(wxCommandEvent& event); @@ -547,6 +552,9 @@ public: void OnCloseWindow(wxCloseEvent& event); protected: + // hook the document manager into event handling chain here + virtual bool TryValidator(wxEvent& event); + wxDocManager *m_docManager; private: @@ -564,7 +572,7 @@ private: class WXDLLIMPEXP_CORE wxDocPrintout : public wxPrintout { public: - wxDocPrintout(wxView *view = (wxView *) NULL, const wxString& title = wxT("Printout")); + wxDocPrintout(wxView *view = NULL, const wxString& title = wxT("Printout")); bool OnPrintPage(int page); bool HasPage(int page); bool OnBeginDocument(int startPage, int endPage); @@ -589,7 +597,6 @@ class WXDLLIMPEXP_CORE wxFileHistory : public wxObject { public: wxFileHistory(size_t maxFiles = 9, wxWindowID idBase = wxID_FILE1); - virtual ~wxFileHistory(); // Operations virtual void AddFileToHistory(const wxString& file); @@ -660,6 +667,18 @@ bool WXDLLIMPEXP_CORE wxTransferFileToStream(const wxString& filename, wxOutputS bool WXDLLIMPEXP_CORE wxTransferStreamToFile(wxInputStream& stream, const wxString& filename); #endif // wxUSE_STD_IOSTREAM + +// these flags are not used anywhere by wxWidgets and kept only for an unlikely +// case of existing user code using them for its own purposes +#ifdef WXWIN_COMPATIBILITY_2_8 +enum +{ + wxDOC_SDI = 1, + wxDOC_MDI, + wxDEFAULT_DOCMAN_FLAGS = wxDOC_SDI +}; +#endif // WXWIN_COMPATIBILITY_2_8 + #endif // wxUSE_DOC_VIEW_ARCHITECTURE #endif // _WX_DOCH__