class WXDLLIMPEXP_FWD_CORE wxFileHistory;
class WXDLLIMPEXP_FWD_BASE wxConfigBase;
+class wxDocChildFrameAnyBase;
+
#if wxUSE_STD_IOSTREAM
#include "wx/iosfwrap.h"
#else
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)
+ {
+ m_docChildFrame = docChildFrame;
+ }
+
protected:
// hook the document into event handlers chain here
virtual bool TryBefore(wxEvent& event);
wxString m_viewTypeName;
wxWindow* m_viewFrame;
+ wxDocChildFrameAnyBase *m_docChildFrame;
+
private:
DECLARE_ABSTRACT_CLASS(wxView)
wxDECLARE_NO_COPY_CLASS(wxView);
#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 = wxFrameNameStr);
- virtual ~wxDocChildFrame(){}
+ wxDocChildFrameAnyBase(wxDocument *doc, wxView *view)
+ {
+ m_childDocument = doc;
+ m_childView = view;
- void OnActivate(wxActivateEvent& event);
- void OnCloseWindow(wxCloseEvent& event);
+ if ( view )
+ view->SetDocChildFrame(this);
+ }
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(); }
protected:
- // hook the child view into event handlers chain here
- virtual bool TryBefore(wxEvent& event);
+ // 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;
+ 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;
+
+ // 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)
+ : BaseClass(parent, id, title, pos, size, style, name),
+ wxDocChildFrameAnyBase(doc, view)
+ {
+ if ( view )
+ view->SetFrame(this);
+
+ this->Connect(wxEVT_ACTIVATE,
+ wxActivateEventHandler(wxDocChildFrameAny::OnActivate));
+ this->Connect(wxEVT_CLOSE_WINDOW,
+ wxCloseEventHandler(wxDocChildFrameAny::OnCloseWindow));
+ }
+
+ 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 (disable:4275)
+#endif
+
+typedef wxDocChildFrameAny<wxFrame, wxFrame> wxDocChildFrameBase;
+
+class WXDLLIMPEXP_CORE wxDocChildFrame : public wxDocChildFrameBase
+{
+public:
+ 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)
+ {
+ }
+
private:
DECLARE_CLASS(wxDocChildFrame)
- DECLARE_EVENT_TABLE()
wxDECLARE_NO_COPY_CLASS(wxDocChildFrame);
};
+#ifdef __VISUALC6__
+ #pragma warning (default:4275)
+#endif
+
// ----------------------------------------------------------------------------
// A default parent frame
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff