implement Empty() using clear() instead of Truncate(0)

[wxWidgets.git] / include / wx / docview.h

diff --git a/include/wx/docview.h b/include/wx/docview.h
index 84697a7a7a5995c8bd9bfd8fe6a59c2b965872d7..7799f53c230f73d68230fbe606a64172fa6b38d0 100644 (file)
--- a/include/wx/docview.h
+++ b/include/wx/docview.h
@@ -32,7 +32,7 @@ class WXDLLIMPEXP_FWD_CORE wxDocManager;
 class WXDLLIMPEXP_FWD_CORE wxPrintInfo;
 class WXDLLIMPEXP_FWD_CORE wxCommandProcessor;
 class WXDLLIMPEXP_FWD_CORE wxFileHistory;
-class WXDLLIMPEXP_FWD_CORE wxConfigBase;
+class WXDLLIMPEXP_FWD_BASE wxConfigBase;
 
 #if wxUSE_STD_IOSTREAM
   #include "wx/iosfwrap.h"
@@ -40,14 +40,11 @@ class WXDLLIMPEXP_FWD_CORE 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
@@ -60,10 +57,10 @@ enum
 
 #define wxMAX_FILE_HISTORY 9
 
-class WXDLLEXPORT wxDocument : public wxEvtHandler
+class WXDLLIMPEXP_CORE wxDocument : public wxEvtHandler
 {
 public:
-    wxDocument(wxDocument *parent = (wxDocument *) NULL);
+    wxDocument(wxDocument *parent = NULL);
     virtual ~wxDocument();
 
     // accessors
@@ -129,7 +126,7 @@ 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)
@@ -181,10 +178,9 @@ private:
     DECLARE_NO_COPY_CLASS(wxDocument)
 };
 
-class WXDLLEXPORT wxView: public wxEvtHandler
+class WXDLLIMPEXP_CORE wxView: public wxEvtHandler
 {
 public:
-    //  wxView(wxDocument *doc = (wxDocument *) NULL);
     wxView();
     virtual ~wxView();
 
@@ -200,13 +196,14 @@ 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
@@ -241,7 +238,7 @@ private:
 };
 
 // Represents user interface (and other) properties of documents and views
-class WXDLLEXPORT wxDocTemplate: public wxObject
+class WXDLLIMPEXP_CORE wxDocTemplate: public wxObject
 {
 
 friend class WXDLLIMPEXP_FWD_CORE wxDocManager;
@@ -256,8 +253,8 @@ 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();
@@ -322,10 +319,11 @@ private:
 
 // One object of this class may be created in an application, to manage all
 // the templates and documents.
-class WXDLLEXPORT wxDocManager: public wxEvtHandler
+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();
@@ -345,17 +343,12 @@ 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);
 
@@ -423,7 +416,7 @@ public:
     virtual void FileHistoryUseMenu(wxMenu *menu);
     virtual void FileHistoryRemoveMenu(wxMenu *menu);
 #if wxUSE_CONFIG
-    virtual void FileHistoryLoad(wxConfigBase& config);
+    virtual void FileHistoryLoad(const wxConfigBase& config);
     virtual void FileHistorySave(wxConfigBase& config);
 #endif // wxUSE_CONFIG
 
@@ -449,7 +442,6 @@ public:
 #endif // WXWIN_COMPATIBILITY_2_6
 
 protected:
-    long              m_flags;
     int               m_defaultDocumentNameCounter;
     int               m_maxDocsOpen;
     wxList            m_docs;
@@ -475,7 +467,7 @@ inline size_t wxDocManager::GetNoHistoryFiles() const
 // A default child frame
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxDocChildFrame : public wxFrame
+class WXDLLIMPEXP_CORE wxDocChildFrame : public wxFrame
 {
 public:
     wxDocChildFrame(wxDocument *doc,
@@ -499,7 +491,7 @@ 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:
     wxDocument*       m_childDocument;
@@ -515,7 +507,7 @@ private:
 // A default parent frame
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxDocParentFrame : public wxFrame
+class WXDLLIMPEXP_CORE wxDocParentFrame : public wxFrame
 {
 public:
     wxDocParentFrame();
@@ -561,10 +553,10 @@ private:
 // ----------------------------------------------------------------------------
 
 #if wxUSE_PRINTING_ARCHITECTURE
-class WXDLLEXPORT wxDocPrintout : public wxPrintout
+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);
@@ -585,11 +577,10 @@ private:
 // File history management
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxFileHistory : public wxObject
+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);
@@ -601,7 +592,7 @@ public:
     virtual void RemoveMenu(wxMenu *menu);
 
 #if wxUSE_CONFIG
-    virtual void Load(wxConfigBase& config);
+    virtual void Load(const wxConfigBase& config);
     virtual void Save(wxConfigBase& config);
 #endif // wxUSE_CONFIG
 
@@ -651,15 +642,27 @@ inline size_t wxFileHistory::GetNoHistoryFiles() const
 #if wxUSE_STD_IOSTREAM
 // For compatibility with existing file formats:
 // converts from/to a stream to/from a temporary file.
-bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream);
-bool WXDLLEXPORT wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename);
+bool WXDLLIMPEXP_CORE wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream);
+bool WXDLLIMPEXP_CORE wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename);
 #else
 // For compatibility with existing file formats:
 // converts from/to a stream to/from a temporary file.
-bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
-bool WXDLLEXPORT wxTransferStreamToFile(wxInputStream& stream, const wxString& filename);
+bool WXDLLIMPEXP_CORE wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
+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__