class WXDLLIMPEXP_FWD_CORE wxFileHistory;
class WXDLLIMPEXP_FWD_BASE wxConfigBase;
+class wxDocChildFrameAnyBase;
+
#if wxUSE_STD_IOSTREAM
#include "wx/iosfwrap.h"
#else
enum
{
wxTEMPLATE_VISIBLE = 1,
- wxTEMPLATE_INVISIBLE,
+ wxTEMPLATE_INVISIBLE = 2,
wxDEFAULT_TEMPLATE_FLAGS = wxTEMPLATE_VISIBLE
};
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();
// 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
// By default, creates a base wxCommandProcessor.
virtual wxCommandProcessor *OnCreateCommandProcessor();
- virtual wxCommandProcessor *GetCommandProcessor() const { return m_commandProcessor; }
- virtual void SetCommandProcessor(wxCommandProcessor *proc) { m_commandProcessor = proc; }
+ virtual wxCommandProcessor *GetCommandProcessor() const
+ { return m_commandProcessor; }
+ virtual void SetCommandProcessor(wxCommandProcessor *proc)
+ { m_commandProcessor = proc; }
// Called after a view is added or removed. The default implementation
// deletes the document if this is there are no more views.
// Other stuff
virtual wxDocManager *GetDocumentManager() const;
- virtual wxDocTemplate *GetDocumentTemplate() const { return m_documentTemplate; }
- virtual void SetDocumentTemplate(wxDocTemplate *temp) { m_documentTemplate = temp; }
+ virtual wxDocTemplate *GetDocumentTemplate() const
+ { return m_documentTemplate; }
+ virtual void SetDocumentTemplate(wxDocTemplate *temp)
+ { m_documentTemplate = temp; }
// Get the document name to be shown to the user: the title if there is
// any, otherwise the filename if the document was saved and, finally,
private:
DECLARE_ABSTRACT_CLASS(wxDocument)
- DECLARE_NO_COPY_CLASS(wxDocument)
+ wxDECLARE_NO_COPY_CLASS(wxDocument);
};
class WXDLLIMPEXP_CORE wxView: public wxEvtHandler
wxWindow *GetFrame() const { return m_viewFrame ; }
void SetFrame(wxWindow *frame) { m_viewFrame = frame; }
- virtual void OnActivateView(bool activate, wxView *activeView, wxView *deactiveView);
+ 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 = NULL);
// 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);
virtual wxPrintout *OnCreatePrintout();
#endif
+ // implementation only
+ // -------------------
+
+ // set the associated frame, it is used to reset its view when we're
+ // destroyed
+ void SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame);
+
protected:
+ // hook the document into event handlers chain here
+ virtual bool TryBefore(wxEvent& event);
+
wxDocument* m_viewDocument;
wxString m_viewTypeName;
wxWindow* m_viewFrame;
+ wxDocChildFrameAnyBase *m_docChildFrame;
+
private:
DECLARE_ABSTRACT_CLASS(wxView)
- DECLARE_NO_COPY_CLASS(wxView)
+ wxDECLARE_NO_COPY_CLASS(wxView);
};
// Represents user interface (and other) properties of documents and views
// Helper method for CreateDocument; also allows you to do your own document
// creation
- virtual bool InitDocument(wxDocument* doc, const wxString& path, long flags = 0);
+ virtual bool InitDocument(wxDocument* doc,
+ const wxString& path,
+ long flags = 0);
wxString GetDefaultExtension() const { return m_defaultExt; }
wxString GetDescription() const { return m_description; }
wxString GetDirectory() const { return m_directory; }
wxDocManager *GetDocumentManager() const { return m_documentManager; }
- void SetDocumentManager(wxDocManager *manager) { m_documentManager = manager; }
+ void SetDocumentManager(wxDocManager *manager)
+ { m_documentManager = manager; }
wxString GetFileFilter() const { return m_fileFilter; }
long GetFlags() const { return m_flags; }
virtual wxString GetViewName() const { return m_viewTypeName; }
void SetDefaultExtension(const wxString& ext) { m_defaultExt = ext; }
void SetFlags(long flags) { m_flags = flags; }
- bool IsVisible() const { return ((m_flags & wxTEMPLATE_VISIBLE) == wxTEMPLATE_VISIBLE); }
+ bool IsVisible() const { return (m_flags & wxTEMPLATE_VISIBLE) != 0; }
wxClassInfo* GetDocClassInfo() const { return m_docClassInfo; }
wxClassInfo* GetViewClassInfo() const { return m_viewClassInfo; }
wxClassInfo* m_docClassInfo;
wxClassInfo* m_viewClassInfo;
- // Called by CreateDocument and CreateView to create the actual document/view object.
- // By default uses the ClassInfo provided to the constructor. Override these functions
- // to provide a different method of creation.
+ // Called by CreateDocument and CreateView to create the actual
+ // document/view object.
+ //
+ // By default uses the ClassInfo provided to the constructor. Override
+ // these functions to provide a different method of creation.
virtual wxDocument *DoCreateDocument();
virtual wxView *DoCreateView();
private:
DECLARE_CLASS(wxDocTemplate)
- DECLARE_NO_COPY_CLASS(wxDocTemplate)
+ wxDECLARE_NO_COPY_CLASS(wxDocTemplate);
};
// One object of this class may be created in an application, to manage all
void OnUpdateUndo(wxUpdateUIEvent& event);
void OnUpdateRedo(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);
// Views or windows should inform the document manager
// when a view is going in or out of focus
virtual void ActivateView(wxView *view, bool activate = true);
- virtual wxView *GetCurrentView() const;
+ virtual wxView *GetCurrentView() const { return m_currentView; }
wxList& GetDocuments() { return m_docs; }
wxList& GetTemplates() { return m_templates; }
virtual void FileHistoryAddFilesToMenu();
virtual void FileHistoryAddFilesToMenu(wxMenu* menu);
- wxString GetLastDirectory() const { return m_lastDirectory; }
+ wxString GetLastDirectory() const;
void SetLastDirectory(const wxString& dir) { m_lastDirectory = dir; }
// Get the current document manager
#endif // WXWIN_COMPATIBILITY_2_6
protected:
+ // hook the currently active view into event handlers chain here
+ virtual bool TryBefore(wxEvent& event);
+
+ // return the command processor for the current document, if any
+ wxCommandProcessor *GetCurrentCommandProcessor() const;
+
+ // this method tries to find an active view harder than GetCurrentView():
+ // if the latter is NULL, it also checks if we don't have just a single
+ // view and returns it then
+ wxView *GetActiveView() const;
+
+
int m_defaultDocumentNameCounter;
int m_maxDocsOpen;
wxList m_docs;
DECLARE_EVENT_TABLE()
DECLARE_DYNAMIC_CLASS(wxDocManager)
- DECLARE_NO_COPY_CLASS(wxDocManager)
+ wxDECLARE_NO_COPY_CLASS(wxDocManager);
};
#if WXWIN_COMPATIBILITY_2_6
#endif // WXWIN_COMPATIBILITY_2_6
// ----------------------------------------------------------------------------
-// A default child frame
+// Base class for child frames -- this is what wxView renders itself into
+//
+// Notice that this is a mix-in class so it doesn't derive from wxWindow, only
+// wxDocChildFrameAny does
// ----------------------------------------------------------------------------
-class WXDLLIMPEXP_CORE wxDocChildFrame : public wxFrame
+class WXDLLIMPEXP_CORE wxDocChildFrameAnyBase
{
public:
- wxDocChildFrame(wxDocument *doc,
- wxView *view,
- wxFrame *frame,
- wxWindowID id,
- const wxString& title,
- const wxPoint& pos = wxDefaultPosition,
- const wxSize& size = wxDefaultSize,
- long type = wxDEFAULT_FRAME_STYLE,
- const wxString& name = wxT("frame"));
- 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);
+ // default ctor, use Create() after it
+ wxDocChildFrameAnyBase()
+ {
+ m_childDocument = NULL;
+ m_childView = NULL;
+ m_win = NULL;
+ }
+
+ // full ctor equivalent to using the default one and Create(0
+ wxDocChildFrameAnyBase(wxDocument *doc, wxView *view, wxWindow *win)
+ {
+ Create(doc, view, win);
+ }
+
+ // method which must be called for an object created using the default ctor
+ //
+ // note that it returns bool just for consistency with Create() methods in
+ // other classes, we never return false from here
+ bool Create(wxDocument *doc, wxView *view, wxWindow *win)
+ {
+ m_childDocument = doc;
+ m_childView = view;
+ m_win = win;
+
+ if ( view )
+ view->SetDocChildFrame(this);
+
+ return true;
+ }
+
+ // dtor doesn't need to be virtual, an object should never be destroyed via
+ // a pointer to this class
+ ~wxDocChildFrameAnyBase()
+ {
+ // prevent the view from deleting us if we're being deleted directly
+ // (and not via Close() + Destroy())
+ if ( m_childView )
+ m_childView->SetDocChildFrame(NULL);
+ }
wxDocument *GetDocument() const { return m_childDocument; }
wxView *GetView() const { return m_childView; }
void SetDocument(wxDocument *doc) { m_childDocument = doc; }
void SetView(wxView *view) { m_childView = view; }
- bool Destroy() { m_childView = NULL; return wxFrame::Destroy(); }
+
+ wxWindow *GetWindow() const { return m_win; }
protected:
+ // we're not a wxEvtHandler but we provide this wxEvtHandler-like function
+ // which is called from TryBefore() of the derived classes to give our view
+ // a chance to process the message before the frame event handlers are used
+ bool TryProcessEvent(wxEvent& event)
+ {
+ return m_childView && m_childView->ProcessEventHere(event);
+ }
+
+ // called from EVT_CLOSE handler in the frame: check if we can close and do
+ // cleanup if so; veto the event otherwise
+ bool CloseView(wxCloseEvent& event);
+
+
wxDocument* m_childDocument;
wxView* m_childView;
+ // the associated window: having it here is not terribly elegant but it
+ // allows us to avoid having any virtual functions in this class
+ wxWindow* m_win;
+
+
+ wxDECLARE_NO_COPY_CLASS(wxDocChildFrameAnyBase);
+};
+
+// ----------------------------------------------------------------------------
+// Template implementing child frame concept using the given wxFrame-like class
+//
+// This is used to define wxDocChildFrame and wxDocMDIChildFrame: ChildFrame is
+// a wxFrame or wxMDIChildFrame (although in theory it could be any wxWindow-
+// derived class as long as it provided a ctor with the same signature as
+// wxFrame and OnActivate() method) and ParentFrame is either wxFrame or
+// wxMDIParentFrame.
+// ----------------------------------------------------------------------------
+
+template <class ChildFrame, class ParentFrame>
+class WXDLLIMPEXP_CORE wxDocChildFrameAny : public ChildFrame,
+ public wxDocChildFrameAnyBase
+{
+public:
+ typedef ChildFrame BaseClass;
+
+ // default ctor, use Create after it
+ wxDocChildFrameAny() { }
+
+ // ctor for a frame showing the given view of the specified document
+ wxDocChildFrameAny(wxDocument *doc,
+ wxView *view,
+ ParentFrame *parent,
+ wxWindowID id,
+ const wxString& title,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = wxDEFAULT_FRAME_STYLE,
+ const wxString& name = wxFrameNameStr)
+ {
+ Create(doc, view, parent, id, title, pos, size, style, name);
+ }
+
+ bool Create(wxDocument *doc,
+ wxView *view,
+ ParentFrame *parent,
+ wxWindowID id,
+ const wxString& title,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = wxDEFAULT_FRAME_STYLE,
+ const wxString& name = wxFrameNameStr)
+ {
+ if ( !wxDocChildFrameAnyBase::Create(doc, view, this) )
+ return false;
+
+ if ( !BaseClass::Create(parent, id, title, pos, size, style, name) )
+ return false;
+
+ this->Connect(wxEVT_ACTIVATE,
+ wxActivateEventHandler(wxDocChildFrameAny::OnActivate));
+ this->Connect(wxEVT_CLOSE_WINDOW,
+ wxCloseEventHandler(wxDocChildFrameAny::OnCloseWindow));
+
+ return true;
+ }
+
+ virtual bool Destroy()
+ {
+ // FIXME: why exactly do we do this? to avoid activation events during
+ // destructions maybe?
+ m_childView = NULL;
+ return BaseClass::Destroy();
+ }
+
+protected:
+ // hook the child view into event handlers chain here
+ virtual bool TryBefore(wxEvent& event)
+ {
+ return TryProcessEvent(event) || BaseClass::TryBefore(event);
+ }
+
+private:
+ void OnActivate(wxActivateEvent& event)
+ {
+ BaseClass::OnActivate(event);
+
+ if ( m_childView )
+ m_childView->Activate(event.GetActive());
+ }
+
+ void OnCloseWindow(wxCloseEvent& event)
+ {
+ if ( CloseView(event) )
+ Destroy();
+ //else: vetoed
+ }
+
+ wxDECLARE_NO_COPY_TEMPLATE_CLASS_2(wxDocChildFrameAny,
+ ChildFrame, ParentFrame);
+};
+
+// ----------------------------------------------------------------------------
+// A default child frame: we need to define it as a class just for wxRTTI,
+// otherwise we could simply typedef it
+// ----------------------------------------------------------------------------
+
+#ifdef __VISUALC6__
+ // "non dll-interface class 'wxDocChildFrameAny<>' used as base interface
+ // for dll-interface class 'wxDocChildFrame'" -- this is bogus as the
+ // template will be DLL-exported but only once it is used as base class
+ // here!
+ #pragma warning (push)
+ #pragma warning (disable:4275)
+#endif
+
+typedef wxDocChildFrameAny<wxFrame, wxFrame> wxDocChildFrameBase;
+
+class WXDLLIMPEXP_CORE wxDocChildFrame : public wxDocChildFrameBase
+{
+public:
+ wxDocChildFrame()
+ {
+ }
+
+ wxDocChildFrame(wxDocument *doc,
+ wxView *view,
+ wxFrame *parent,
+ wxWindowID id,
+ const wxString& title,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = wxDEFAULT_FRAME_STYLE,
+ const wxString& name = wxFrameNameStr)
+ : wxDocChildFrameBase(doc, view,
+ parent, id, title, pos, size, style, name)
+ {
+ }
+
+ bool Create(wxDocument *doc,
+ wxView *view,
+ wxFrame *parent,
+ wxWindowID id,
+ const wxString& title,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = wxDEFAULT_FRAME_STYLE,
+ const wxString& name = wxFrameNameStr)
+ {
+ return wxDocChildFrameBase::Create
+ (
+ doc, view,
+ parent, id, title, pos, size, style, name
+ );
+ }
+
private:
DECLARE_CLASS(wxDocChildFrame)
- DECLARE_EVENT_TABLE()
- DECLARE_NO_COPY_CLASS(wxDocChildFrame)
+ wxDECLARE_NO_COPY_CLASS(wxDocChildFrame);
};
+#ifdef __VISUALC6__
+ #pragma warning (pop)
+#endif
+
// ----------------------------------------------------------------------------
// A default parent frame
// ----------------------------------------------------------------------------
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);
void OnCloseWindow(wxCloseEvent& event);
protected:
+ // hook the document manager into event handling chain here
+ virtual bool TryBefore(wxEvent& event);
+
wxDocManager *m_docManager;
private:
typedef wxFrame base_type;
DECLARE_CLASS(wxDocParentFrame)
DECLARE_EVENT_TABLE()
- DECLARE_NO_COPY_CLASS(wxDocParentFrame)
+ wxDECLARE_NO_COPY_CLASS(wxDocParentFrame);
};
// ----------------------------------------------------------------------------
{
public:
wxDocPrintout(wxView *view = NULL, const wxString& title = wxT("Printout"));
- bool OnPrintPage(int page);
- bool HasPage(int page);
- bool OnBeginDocument(int startPage, int endPage);
- void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo);
+
+ // implement wxPrintout methods
+ virtual bool OnPrintPage(int page);
+ virtual bool HasPage(int page);
+ virtual bool OnBeginDocument(int startPage, int endPage);
+ virtual void GetPageInfo(int *minPage, int *maxPage,
+ int *selPageFrom, int *selPageTo);
virtual wxView *GetView() { return m_printoutView; }
private:
DECLARE_DYNAMIC_CLASS(wxDocPrintout)
- DECLARE_NO_COPY_CLASS(wxDocPrintout)
+ wxDECLARE_NO_COPY_CLASS(wxDocPrintout);
};
#endif // wxUSE_PRINTING_ARCHITECTURE
wxWindowID m_idBase;
DECLARE_DYNAMIC_CLASS(wxFileHistory)
- DECLARE_NO_COPY_CLASS(wxFileHistory)
+ wxDECLARE_NO_COPY_CLASS(wxFileHistory);
};
#if WXWIN_COMPATIBILITY_2_6
}
#endif // WXWIN_COMPATIBILITY_2_6
-#if wxUSE_STD_IOSTREAM
// For compatibility with existing file formats:
// converts from/to a stream to/from a temporary file.
-bool WXDLLIMPEXP_CORE wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream);
-bool WXDLLIMPEXP_CORE wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename);
+#if wxUSE_STD_IOSTREAM
+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 WXDLLIMPEXP_CORE wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
-bool WXDLLIMPEXP_CORE 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
projects / wxWidgets.git / blobdiff