2b5f62a0b2
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18040 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
584 lines
20 KiB
C++
584 lines
20 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: docview.h
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// Purpose: Doc/View classes
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c)
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DOCH__
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#define _WX_DOCH__
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#if defined(__GNUG__) && !defined(__APPLE__)
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#pragma interface "docview.h"
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#endif
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#include "wx/defs.h"
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#include "wx/list.h"
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#include "wx/cmndata.h"
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#include "wx/string.h"
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#include "wx/frame.h"
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#if wxUSE_PRINTING_ARCHITECTURE
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#include "wx/print.h"
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#endif
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class WXDLLEXPORT wxWindow;
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class WXDLLEXPORT wxDocument;
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class WXDLLEXPORT wxView;
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class WXDLLEXPORT wxDocTemplate;
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class WXDLLEXPORT wxDocManager;
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class WXDLLEXPORT wxPrintInfo;
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class WXDLLEXPORT wxCommandProcessor;
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class WXDLLEXPORT wxFileHistory;
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class WXDLLEXPORT wxConfigBase;
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#if wxUSE_STD_IOSTREAM
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#include "wx/ioswrap.h"
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#else
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#include "wx/stream.h"
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#endif
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// Document manager flags
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enum
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{
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wxDOC_SDI = 1,
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wxDOC_MDI,
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wxDOC_NEW,
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wxDOC_SILENT,
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wxDEFAULT_DOCMAN_FLAGS = wxDOC_SDI
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};
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// Document template flags
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enum
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{
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wxTEMPLATE_VISIBLE = 1,
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wxTEMPLATE_INVISIBLE,
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wxDEFAULT_TEMPLATE_FLAGS = wxTEMPLATE_VISIBLE
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};
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#define wxMAX_FILE_HISTORY 9
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class WXDLLEXPORT wxDocument : public wxEvtHandler
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{
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public:
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wxDocument(wxDocument *parent = (wxDocument *) NULL);
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~wxDocument();
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// accessors
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void SetFilename(const wxString& filename, bool notifyViews = FALSE);
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wxString GetFilename() const { return m_documentFile; }
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void SetTitle(const wxString& title) { m_documentTitle = title; };
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wxString GetTitle() const { return m_documentTitle; }
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void SetDocumentName(const wxString& name) { m_documentTypeName = name; };
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wxString GetDocumentName() const { return m_documentTypeName; }
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bool GetDocumentSaved() const { return m_savedYet; }
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void SetDocumentSaved(bool saved = TRUE) { m_savedYet = saved; }
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virtual bool Close();
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virtual bool Save();
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virtual bool SaveAs();
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virtual bool Revert();
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#if wxUSE_STD_IOSTREAM
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virtual wxSTD ostream& SaveObject(wxSTD ostream& stream);
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virtual wxSTD istream& LoadObject(wxSTD istream& stream);
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#else
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virtual wxOutputStream& SaveObject(wxOutputStream& stream);
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virtual wxInputStream& LoadObject(wxInputStream& stream);
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#endif
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// Called by wxWindows
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virtual bool OnSaveDocument(const wxString& filename);
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virtual bool OnOpenDocument(const wxString& filename);
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virtual bool OnNewDocument();
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virtual bool OnCloseDocument();
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// Prompts for saving if about to close a modified document. Returns TRUE
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// if ok to close the document (may have saved in the meantime, or set
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// modified to FALSE)
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virtual bool OnSaveModified();
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// Called by framework if created automatically by the default document
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// manager: gives document a chance to initialise and (usually) create a
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// view
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virtual bool OnCreate(const wxString& path, long flags);
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// By default, creates a base wxCommandProcessor.
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virtual wxCommandProcessor *OnCreateCommandProcessor();
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virtual wxCommandProcessor *GetCommandProcessor() const { return m_commandProcessor; }
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virtual void SetCommandProcessor(wxCommandProcessor *proc) { m_commandProcessor = proc; }
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// Called after a view is added or removed. The default implementation
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// deletes the document if this is there are no more views.
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virtual void OnChangedViewList();
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virtual bool DeleteContents();
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virtual bool Draw(wxDC&);
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virtual bool IsModified() const { return m_documentModified; }
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virtual void Modify(bool mod) { m_documentModified = mod; }
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virtual bool AddView(wxView *view);
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virtual bool RemoveView(wxView *view);
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wxList& GetViews() const { return (wxList&) m_documentViews; }
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wxView *GetFirstView() const;
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virtual void UpdateAllViews(wxView *sender = (wxView *) NULL, wxObject *hint = (wxObject *) NULL);
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virtual void NotifyClosing();
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// Remove all views (because we're closing the document)
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virtual bool DeleteAllViews();
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// Other stuff
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virtual wxDocManager *GetDocumentManager() const;
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virtual wxDocTemplate *GetDocumentTemplate() const { return m_documentTemplate; }
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virtual void SetDocumentTemplate(wxDocTemplate *temp) { m_documentTemplate = temp; }
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// Get title, or filename if no title, else [unnamed]
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virtual bool GetPrintableName(wxString& buf) const;
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// Returns a window that can be used as a parent for document-related
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// dialogs. Override if necessary.
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virtual wxWindow *GetDocumentWindow() const;
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protected:
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wxList m_documentViews;
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wxString m_documentFile;
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wxString m_documentTitle;
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wxString m_documentTypeName;
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wxDocTemplate* m_documentTemplate;
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bool m_documentModified;
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wxDocument* m_documentParent;
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wxCommandProcessor* m_commandProcessor;
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bool m_savedYet;
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private:
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DECLARE_ABSTRACT_CLASS(wxDocument)
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};
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class WXDLLEXPORT wxView: public wxEvtHandler
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{
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public:
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// wxView(wxDocument *doc = (wxDocument *) NULL);
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wxView();
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~wxView();
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wxDocument *GetDocument() const { return m_viewDocument; }
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virtual void SetDocument(wxDocument *doc);
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wxString GetViewName() const { return m_viewTypeName; }
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void SetViewName(const wxString& name) { m_viewTypeName = name; };
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wxWindow *GetFrame() const { return m_viewFrame ; }
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void SetFrame(wxWindow *frame) { m_viewFrame = frame; }
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virtual void OnActivateView(bool activate, wxView *activeView, wxView *deactiveView);
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virtual void OnDraw(wxDC *dc) = 0;
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virtual void OnPrint(wxDC *dc, wxObject *info);
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virtual void OnUpdate(wxView *sender, wxObject *hint = (wxObject *) NULL);
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virtual void OnClosingDocument() {};
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virtual void OnChangeFilename();
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// Called by framework if created automatically by the default document
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// manager class: gives view a chance to initialise
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virtual bool OnCreate(wxDocument *WXUNUSED(doc), long WXUNUSED(flags)) { return TRUE; };
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// Checks if the view is the last one for the document; if so, asks user
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// to confirm save data (if modified). If ok, deletes itself and returns
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// TRUE.
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virtual bool Close(bool deleteWindow = TRUE);
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// Override to do cleanup/veto close
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virtual bool OnClose(bool deleteWindow);
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#if WXWIN_COMPATIBILITY
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// Defeat compiler warning
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bool OnClose() { return wxEvtHandler::OnClose(); }
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#endif
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// Extend event processing to search the document's event table
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virtual bool ProcessEvent(wxEvent& event);
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// A view's window can call this to notify the view it is (in)active.
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// The function then notifies the document manager.
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virtual void Activate(bool activate);
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wxDocManager *GetDocumentManager() const
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{ return m_viewDocument->GetDocumentManager(); }
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#if wxUSE_PRINTING_ARCHITECTURE
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virtual wxPrintout *OnCreatePrintout();
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#endif
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protected:
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wxDocument* m_viewDocument;
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wxString m_viewTypeName;
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wxWindow* m_viewFrame;
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private:
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DECLARE_ABSTRACT_CLASS(wxView)
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};
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// Represents user interface (and other) properties of documents and views
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class WXDLLEXPORT wxDocTemplate: public wxObject
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{
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friend class WXDLLEXPORT wxDocManager;
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public:
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// Associate document and view types. They're for identifying what view is
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// associated with what template/document type
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wxDocTemplate(wxDocManager *manager,
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const wxString& descr,
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const wxString& filter,
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const wxString& dir,
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const wxString& ext,
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const wxString& docTypeName,
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const wxString& viewTypeName,
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wxClassInfo *docClassInfo = (wxClassInfo *) NULL,
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wxClassInfo *viewClassInfo = (wxClassInfo *)NULL,
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long flags = wxDEFAULT_TEMPLATE_FLAGS);
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~wxDocTemplate();
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// By default, these two member functions dynamically creates document and
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// view using dynamic instance construction. Override these if you need a
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// different method of construction.
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virtual wxDocument *CreateDocument(const wxString& path, long flags = 0);
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virtual wxView *CreateView(wxDocument *doc, long flags = 0);
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wxString GetDefaultExtension() const { return m_defaultExt; };
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wxString GetDescription() const { return m_description; }
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wxString GetDirectory() const { return m_directory; };
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wxDocManager *GetDocumentManager() const { return m_documentManager; }
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void SetDocumentManager(wxDocManager *manager) { m_documentManager = manager; }
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wxString GetFileFilter() const { return m_fileFilter; };
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long GetFlags() const { return m_flags; };
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virtual wxString GetViewName() const { return m_viewTypeName; }
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virtual wxString GetDocumentName() const { return m_docTypeName; }
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void SetFileFilter(const wxString& filter) { m_fileFilter = filter; };
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void SetDirectory(const wxString& dir) { m_directory = dir; };
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void SetDescription(const wxString& descr) { m_description = descr; };
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void SetDefaultExtension(const wxString& ext) { m_defaultExt = ext; };
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void SetFlags(long flags) { m_flags = flags; };
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bool IsVisible() const { return ((m_flags & wxTEMPLATE_VISIBLE) == wxTEMPLATE_VISIBLE); }
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virtual bool FileMatchesTemplate(const wxString& path);
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protected:
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long m_flags;
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wxString m_fileFilter;
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wxString m_directory;
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wxString m_description;
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wxString m_defaultExt;
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wxString m_docTypeName;
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wxString m_viewTypeName;
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wxDocManager* m_documentManager;
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// For dynamic creation of appropriate instances.
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wxClassInfo* m_docClassInfo;
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wxClassInfo* m_viewClassInfo;
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private:
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DECLARE_CLASS(wxDocTemplate)
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};
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// One object of this class may be created in an application, to manage all
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// the templates and documents.
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class WXDLLEXPORT wxDocManager: public wxEvtHandler
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{
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DECLARE_DYNAMIC_CLASS(wxDocManager)
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public:
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wxDocManager(long flags = wxDEFAULT_DOCMAN_FLAGS, bool initialize = TRUE);
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~wxDocManager();
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virtual bool Initialize();
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// Handlers for common user commands
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void OnFileClose(wxCommandEvent& event);
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void OnFileCloseAll(wxCommandEvent& event);
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void OnFileNew(wxCommandEvent& event);
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void OnFileOpen(wxCommandEvent& event);
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void OnFileRevert(wxCommandEvent& event);
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void OnFileSave(wxCommandEvent& event);
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void OnFileSaveAs(wxCommandEvent& event);
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void OnPrint(wxCommandEvent& event);
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void OnPrintSetup(wxCommandEvent& event);
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void OnPreview(wxCommandEvent& event);
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void OnUndo(wxCommandEvent& event);
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void OnRedo(wxCommandEvent& event);
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// Handlers for UI update commands
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void OnUpdateFileOpen(wxUpdateUIEvent& event);
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void OnUpdateFileClose(wxUpdateUIEvent& event);
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void OnUpdateFileRevert(wxUpdateUIEvent& event);
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void OnUpdateFileNew(wxUpdateUIEvent& event);
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void OnUpdateFileSave(wxUpdateUIEvent& event);
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void OnUpdateFileSaveAs(wxUpdateUIEvent& event);
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void OnUpdateUndo(wxUpdateUIEvent& event);
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void OnUpdateRedo(wxUpdateUIEvent& event);
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void OnUpdatePrint(wxUpdateUIEvent& event);
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void OnUpdatePrintSetup(wxUpdateUIEvent& event);
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void OnUpdatePreview(wxUpdateUIEvent& event);
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// Extend event processing to search the view's event table
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virtual bool ProcessEvent(wxEvent& event);
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// called when file format detection didn't work, can be overridden to do
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// something in this case
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virtual void OnOpenFileFailure() { }
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virtual wxDocument *CreateDocument(const wxString& path, long flags = 0);
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virtual wxView *CreateView(wxDocument *doc, long flags = 0);
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virtual void DeleteTemplate(wxDocTemplate *temp, long flags = 0);
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virtual bool FlushDoc(wxDocument *doc);
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virtual wxDocTemplate *MatchTemplate(const wxString& path);
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virtual wxDocTemplate *SelectDocumentPath(wxDocTemplate **templates,
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int noTemplates, wxString& path, long flags, bool save = FALSE);
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virtual wxDocTemplate *SelectDocumentType(wxDocTemplate **templates,
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int noTemplates, bool sort = FALSE);
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virtual wxDocTemplate *SelectViewType(wxDocTemplate **templates,
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int noTemplates, bool sort = FALSE);
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virtual wxDocTemplate *FindTemplateForPath(const wxString& path);
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void AssociateTemplate(wxDocTemplate *temp);
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void DisassociateTemplate(wxDocTemplate *temp);
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wxDocument *GetCurrentDocument() const;
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void SetMaxDocsOpen(int n) { m_maxDocsOpen = n; }
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int GetMaxDocsOpen() const { return m_maxDocsOpen; }
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// Add and remove a document from the manager's list
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void AddDocument(wxDocument *doc);
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void RemoveDocument(wxDocument *doc);
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// closes all currently open documents
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bool CloseDocuments(bool force = TRUE);
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// Clear remaining documents and templates
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bool Clear(bool force = TRUE);
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// Views or windows should inform the document manager
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// when a view is going in or out of focus
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virtual void ActivateView(wxView *view, bool activate = TRUE, bool deleting = FALSE);
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virtual wxView *GetCurrentView() const;
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wxList& GetDocuments() { return m_docs; }
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wxList& GetTemplates() { return m_templates; }
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// Make a default document name
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virtual bool MakeDefaultName(wxString& buf);
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// Make a frame title (override this to do something different)
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virtual wxString MakeFrameTitle(wxDocument* doc);
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virtual wxFileHistory *OnCreateFileHistory();
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virtual wxFileHistory *GetFileHistory() const { return m_fileHistory; }
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// File history management
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virtual void AddFileToHistory(const wxString& file);
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virtual void RemoveFileFromHistory(int i);
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virtual int GetNoHistoryFiles() const;
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virtual wxString GetHistoryFile(int i) const;
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virtual void FileHistoryUseMenu(wxMenu *menu);
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virtual void FileHistoryRemoveMenu(wxMenu *menu);
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#if wxUSE_CONFIG
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virtual void FileHistoryLoad(wxConfigBase& config);
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virtual void FileHistorySave(wxConfigBase& config);
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#endif // wxUSE_CONFIG
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virtual void FileHistoryAddFilesToMenu();
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virtual void FileHistoryAddFilesToMenu(wxMenu* menu);
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inline wxString GetLastDirectory() const { return m_lastDirectory; }
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inline void SetLastDirectory(const wxString& dir) { m_lastDirectory = dir; }
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// Get the current document manager
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static wxDocManager* GetDocumentManager() { return sm_docManager; }
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protected:
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long m_flags;
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int m_defaultDocumentNameCounter;
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int m_maxDocsOpen;
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wxList m_docs;
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wxList m_templates;
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wxView* m_currentView;
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wxFileHistory* m_fileHistory;
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wxString m_lastDirectory;
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static wxDocManager* sm_docManager;
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// A default child frame
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxDocChildFrame : public wxFrame
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{
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public:
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wxDocChildFrame(wxDocument *doc,
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wxView *view,
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wxFrame *frame,
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wxWindowID id,
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const wxString& title,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long type = wxDEFAULT_FRAME_STYLE,
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const wxString& name = wxT("frame"));
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~wxDocChildFrame();
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// Extend event processing to search the view's event table
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virtual bool ProcessEvent(wxEvent& event);
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void OnActivate(wxActivateEvent& event);
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void OnCloseWindow(wxCloseEvent& event);
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wxDocument *GetDocument() const { return m_childDocument; }
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wxView *GetView() const { return m_childView; }
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void SetDocument(wxDocument *doc) { m_childDocument = doc; }
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void SetView(wxView *view) { m_childView = view; }
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bool Destroy() { m_childView = (wxView *)NULL; return wxFrame::Destroy(); }
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protected:
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wxDocument* m_childDocument;
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wxView* m_childView;
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private:
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DECLARE_CLASS(wxDocChildFrame)
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// A default parent frame
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxDocParentFrame : public wxFrame
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{
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public:
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wxDocParentFrame(wxDocManager *manager,
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wxFrame *frame,
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wxWindowID id,
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const wxString& title,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long type = wxDEFAULT_FRAME_STYLE,
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const wxString& name = wxT("frame"));
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// Extend event processing to search the document manager's event table
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virtual bool ProcessEvent(wxEvent& event);
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wxDocManager *GetDocumentManager() const { return m_docManager; }
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void OnExit(wxCommandEvent& event);
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void OnMRUFile(wxCommandEvent& event);
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void OnCloseWindow(wxCloseEvent& event);
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protected:
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wxDocManager *m_docManager;
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private:
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DECLARE_CLASS(wxDocParentFrame)
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// Provide simple default printing facilities
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// ----------------------------------------------------------------------------
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#if wxUSE_PRINTING_ARCHITECTURE
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class WXDLLEXPORT wxDocPrintout : public wxPrintout
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{
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public:
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wxDocPrintout(wxView *view = (wxView *) NULL, const wxString& title = wxT("Printout"));
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bool OnPrintPage(int page);
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bool HasPage(int page);
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bool OnBeginDocument(int startPage, int endPage);
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void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo);
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virtual wxView *GetView() { return m_printoutView; }
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protected:
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wxView* m_printoutView;
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private:
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DECLARE_DYNAMIC_CLASS(wxDocPrintout)
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};
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#endif // wxUSE_PRINTING_ARCHITECTURE
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// ----------------------------------------------------------------------------
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// File history management
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxFileHistory : public wxObject
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{
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public:
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wxFileHistory(int maxFiles = 9);
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~wxFileHistory();
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// Operations
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virtual void AddFileToHistory(const wxString& file);
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virtual void RemoveFileFromHistory(int i);
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virtual int GetMaxFiles() const { return m_fileMaxFiles; }
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virtual void UseMenu(wxMenu *menu);
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// Remove menu from the list (MDI child may be closing)
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virtual void RemoveMenu(wxMenu *menu);
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#if wxUSE_CONFIG
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virtual void Load(wxConfigBase& config);
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virtual void Save(wxConfigBase& config);
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#endif // wxUSE_CONFIG
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virtual void AddFilesToMenu();
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virtual void AddFilesToMenu(wxMenu* menu); // Single menu
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// Accessors
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virtual wxString GetHistoryFile(int i) const;
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// A synonym for GetNoHistoryFiles
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virtual int GetCount() const { return m_fileHistoryN; }
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int GetNoHistoryFiles() const { return m_fileHistoryN; }
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wxList& GetMenus() const { return (wxList&) m_fileMenus; }
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protected:
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// Last n files
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wxChar** m_fileHistory;
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// Number of files saved
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int m_fileHistoryN;
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// Menus to maintain (may need several for an MDI app)
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wxList m_fileMenus;
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// Max files to maintain
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int m_fileMaxFiles;
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private:
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DECLARE_DYNAMIC_CLASS(wxFileHistory)
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};
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#if wxUSE_STD_IOSTREAM
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// For compatibility with existing file formats:
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// converts from/to a stream to/from a temporary file.
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bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream);
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bool WXDLLEXPORT wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename);
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#else
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// For compatibility with existing file formats:
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// converts from/to a stream to/from a temporary file.
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bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
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bool WXDLLEXPORT wxTransferStreamToFile(wxInputStream& stream, const wxString& filename);
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#endif
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#endif // _WX_DOCH__
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